CN210915955U - Device for increasing combustion heat value of blast furnace gas - Google Patents
Device for increasing combustion heat value of blast furnace gas Download PDFInfo
- Publication number
- CN210915955U CN210915955U CN201920906443.5U CN201920906443U CN210915955U CN 210915955 U CN210915955 U CN 210915955U CN 201920906443 U CN201920906443 U CN 201920906443U CN 210915955 U CN210915955 U CN 210915955U
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- gas
- blast furnace
- unit
- swing adsorption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model provides a device for improving the combustion heat value of blast furnace gas. The apparatus comprises CO2Pressure swing adsorption separation unit and CO2Membrane separation unit, CO2The pressure swing adsorption separation unit is provided with a blast furnace gas inlet, a carbon dioxide removing gas outlet, a carbon dioxide enriched gas outlet and CO2The pressure swing adsorption separation unit is used for carrying out carbon dioxide pressure swing adsorption separation on blast furnace gasSeparating; CO 22The membrane separation unit is provided with a carbon dioxide rich gas inlet and CO2The product gas outlet and the carbon dioxide enriched gas inlet are connected with the carbon dioxide enriched gas outlet. Utilize the utility model discloses above-mentioned device handles blast furnace gas, can separate the carbon dioxide in the coal gas more effectively, especially separate carbon dioxide and hydrogen wherein, can enough enrich the carbon dioxide more effectively, can obviously improve the heat value of burning of blast furnace gas again.
Description
Technical Field
The utility model relates to a flue gas treatment technical field particularly, relates to an improve device of blast furnace gas heat value of burning.
Background
Blast furnace gas as a source of much industrial biomassThe produced by-product tail gas has huge emission, and the main components of the tail gas are CO and H2、CO2And N2. Wherein CO is2Has higher concentration, influences the combustion heat value of blast furnace gas, and is not beneficial to reducing CO2And (5) discharging. Based on increasing the heat value of blast furnace gas and reducing CO2For emission purposes, it is generally necessary to treat the CO in the blast furnace gas2Separation and collection are carried out.
CO capture in blast furnace gas2The method mainly adopts a membrane separation method at present, but the current membrane separation method cannot effectively separate CO in blast furnace flue gas2And hydrogen gas. Especially when the hydrogen concentration in the gas is high and CO is high2When the concentration is low, the problem of low hydrogen enrichment degree exists, so that the combustion heat value of blast furnace gas is low, and the practical application of the blast furnace gas is limited.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a device for improving the combustion heat value of blast furnace gas, which is used for solving the problem of CO in blast furnace gas in the prior art2And the problem that the combustion heat value of the coal gas is difficult to improve and the enrichment degree of carbon dioxide is low due to difficult separation of the coal gas and the hydrogen.
In order to achieve the above object, according to one aspect of the present invention, there is provided an apparatus for treatment of blast furnace gas, comprising: CO 22A pressure swing adsorption separation unit provided with a blast furnace gas inlet, a carbon dioxide removing gas outlet, a carbon dioxide enriched gas outlet, and CO2The pressure swing adsorption separation unit is used for carrying out carbon dioxide pressure swing adsorption separation on the blast furnace gas; and CO2A membrane separation unit provided with a carbon dioxide rich gas inlet and CO2The product gas outlet and the carbon dioxide enriched gas inlet are connected with the carbon dioxide enriched gas outlet.
Furthermore, the device also comprises a first compression unit which is arranged on the gas inlet pipeline where the blast furnace gas inlet is positioned and used for compressing the blast furnace gas.
Furthermore, the device also comprises a first gas treatment unit which is arranged on a pipeline connected with the blast furnace gas inlet of the first compression unit and used for removing solid impurities and liquid impurities in the compressed blast furnace gas.
Further, the first gas treatment unit comprises a first cooler, a first demister and a first filter which are sequentially connected in series.
Furthermore, the device also comprises a second compression unit which is arranged on a pipeline connecting the carbon dioxide enriched gas inlet and the carbon dioxide enriched gas outlet and is used for compressing the carbon dioxide enriched gas discharged from the carbon dioxide enriched gas outlet.
Furthermore, the device also comprises a second gas processing unit which is arranged on a pipeline connected with the second compression unit and the carbon dioxide enriched gas inlet and is used for removing moisture in the compressed carbon dioxide enriched gas.
Further, the second gas treatment unit comprises a second cooler, a second demister and a second filter which are sequentially connected in series, or the second gas treatment unit is a dehydration device.
Further, the device also comprises a pressure energy recovery unit, wherein the pressure energy recovery unit is connected with the carbon dioxide removing gas outlet and is used for recovering the pressure energy of the gas discharged from the carbon dioxide removing gas outlet.
Further, CO2The membrane separation unit is also provided with a high-pressure non-permeable gas outlet which is connected with an inlet of the pressure energy recovery unit.
The utility model provides a device for improving the combustion heat value of blast furnace gas, which comprises CO2Pressure swing adsorption separation unit and CO2Membrane separation unit, CO2The pressure swing adsorption separation unit is provided with a blast furnace gas inlet, a carbon dioxide removing gas outlet, a carbon dioxide enriched gas outlet and CO2The pressure swing adsorption separation unit is used for carrying out carbon dioxide pressure swing adsorption separation on the blast furnace gas; CO 22The membrane separation unit is provided with a carbon dioxide rich gas inlet and CO2The product gas outlet and the carbon dioxide enriched gas inlet are connected with the carbon dioxide enriched gas outlet.
Utilize the utility model discloses above-mentioned device handles blast furnace gas, can separate the carbon dioxide in the coal gas more effectively, especially separate carbon dioxide and hydrogen wherein, can enough enrich the carbon dioxide more effectively, has the heat value of burning that can obviously improve blast furnace gas.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic view of an apparatus for increasing the combustion heat value of blast furnace gas according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10、CO2a pressure swing adsorption separation unit; 20. CO 22A membrane separation unit; 30. a first compression unit; 40. a first gas treatment unit; 50. a second compression unit; 60. a second gas treatment unit; 70. a pressure energy recovery unit.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The present application is described in further detail below with reference to specific examples, which should not be construed as limiting the scope of the invention as claimed.
As described in the background section, CO in blast furnace gas in the prior art2And the separation of the carbon dioxide and the hydrogen is difficult, so that the combustion heat value of the coal gas is difficult to improve, and the enrichment degree of the carbon dioxide is low.
In order to solve the above problems, the present invention provides a device for increasing the combustion heat value of blast furnace gas, as shown in fig. 1, which comprises CO2Pressure swing adsorption separation unit 10 and CO2 Membrane separation Unit 20, CO2The pressure swing adsorption separation unit 10 is provided with a blast furnace gas inlet, a carbon dioxide removing gas outlet, a carbon dioxide enriched gas outlet, and a CO outlet2Variable pressure suctionThe attached separation unit 10 is used for performing carbon dioxide pressure swing adsorption separation on blast furnace gas; CO 22A membrane separation unit 20 provided with a carbon dioxide enriched gas inlet and CO2The product gas outlet and the carbon dioxide enriched gas inlet are connected with the carbon dioxide enriched gas outlet.
Different from the traditional membrane separation method, the utility model adopts a device combining membrane separation and pressure swing adsorption separation to treat blast furnace gas. Specifically, the method comprises the following steps:
by using CO2The pressure swing adsorption separation unit 10 can be used for treating CO in blast furnace gas2Performing pressure swing adsorption separation due to H2So that CO can be adsorbed by the adsorbent2And H2And (4) effectively separating. CO 22And a small amount of N2Passing CO with CO2The separation membrane of the pressure swing adsorption separation unit 10 forms a carbon dioxide enriched gas. H2And most of N2And CO together form carbon dioxide degassing gas A. Due to CO2And H2So that the carbon dioxide is removed from H in the gas A2Higher in concentration and therefore has a higher combustion heat value. Second, the carbon dioxide enriched gas enters the CO2The membrane separation unit 20 performs further enrichment of CO2And N2The CO is further separated to form CO with higher purity2And (5) producing gas.
Based on the reason, utilize the utility model discloses above-mentioned device to handle blast furnace gas, can separate the carbon dioxide in the coal gas more effectively, especially separate carbon dioxide and hydrogen wherein, can enough enrich the carbon dioxide more effectively, can obviously improve the heat value of burning of blast furnace gas again.
In a preferred embodiment, CO2The pressure swing adsorption separation unit 10 includes CO2Pressure swing adsorption unit and CO2Desorption unit, CO2The pressure swing adsorption unit is used for treating CO2Performing pressure swing adsorption of CO2The desorption unit is used for desorbing the adsorbent after adsorbing the carbon dioxide. The specific desorption method may be vacuum evacuation or the like.
In a preferred embodiment, CO2Membranes in the membrane separation unit 20The module may be selected from a hollow fiber membrane, a spiral wound membrane or a plate membrane. Specific membrane materials may be those commonly used in the art.
In a preferred embodiment, the apparatus further comprises a first compression unit 30, and the first compression unit 30 is arranged on the gas inlet pipeline where the blast furnace gas inlet is located and is used for compressing the blast furnace gas. CO can be produced by means of the first compression unit 302CO of pressure swing adsorption separation unit 102Pressure swing adsorption further provides pressure conditions. More preferably, the apparatus further comprises a second compression unit 50, wherein the second compression unit 50 is disposed on a pipeline connecting the carbon dioxide enriched gas inlet and the carbon dioxide enriched gas outlet, and is used for compressing the carbon dioxide enriched gas discharged from the carbon dioxide enriched gas outlet. CO can be produced by the second compression unit 502CO of the Membrane separation Unit 202Osmosis further provides pressure drive. And it should be noted that the present invention utilizes the second compression unit 50 to provide sufficient pressure differential to drive sufficient CO compared to the method of using vacuum or purge to reduce pressure on the permeate side2Permeation through membranes, especially polymeric separation membranes, to further increase CO2The collection and recovery rate of (1).
Blast furnace gas contains CO and H2、CO2And N2Besides, it also carries some solid impurities (particles) and liquid impurities (moisture) to reduce CO2CO of pressure swing adsorption separation unit 102The pressure swing adsorption has an influence on and further improves the combustion heat value of the carbon dioxide degassing gas, and in a preferred embodiment, the apparatus further comprises a first gas treatment unit 40, and the first gas treatment unit 40 is arranged on a pipeline of the first compression unit 30 connected with the blast furnace gas inlet and is used for removing solid impurities and liquid impurities in the compressed blast furnace gas.
In one embodiment, solid and liquid impurities in the flue gas may be removed using a filter. More preferably, the first gas treatment unit 40 includes a first cooler, a first demister, and a first filter arranged in series in this order. By means of a first cooling machineThe liquid in the blast furnace gas is further condensed out, then the condensable liquid foam, fog drops and possibly entrained solid particles in the blast furnace gas are removed by the first demister, and finally the harmful impurities such as possibly entrained fine liquid in the flue gas can be further removed by the first filter. Meanwhile, the arrangement of the first cooler is also beneficial to controlling the temperature of the coal gas so as to further improve the CO2Stability of operation of the pressure swing adsorption separation unit 10.
In a preferred embodiment, the first gas treatment unit 40 further comprises a heat exchanger provided with an inlet to be heated and an outlet to be heated, the inlet to be heated being connected to the outlet of the first filter and the outlet to be heated being connected to the blast furnace gas inlet. Thus, the blast furnace gas after removing the impurities can be heated by heat exchange in the heat exchanger, so that the operating temperature of the system is kept constant and is far away from the dew point.
In a preferred embodiment, the apparatus further comprises a second gas treatment unit 60, the second gas treatment unit 60 being disposed in a line connecting the second compression unit 50 and the carbon dioxide enriched gas inlet for removing moisture from the compressed carbon dioxide enriched gas. This is advantageous for further CO enhancement2Operational stability of the membrane separation unit 20. Preferably, the second gas treatment unit 60 includes a second cooler, a second demister, and a second filter, which are sequentially arranged in series, or the second gas treatment unit 60 is a dehydration device. The second cooler, second demister, and second filter function similarly to the first cooler, first demister, and first filter described above. A dehydration unit may also be utilized to remove moisture from the carbon dioxide enriched gas.
Similarly, the second gas treatment unit 60 preferably further comprises a heat exchanger provided with an inlet to be heated and an outlet to be heated, the inlet to be heated is connected to the outlet of the second filter, and the outlet to be heated is connected to the CO2The carbon dioxide-rich gas inlet of the membrane separation unit 20 is connected.
By CO2After the pressure swing adsorption separation treatment, the carbon dioxide stripping gas has certain pressure energy, and in order to recover the pressure energy and save energy consumption, a preferred embodimentThe device further comprises a pressure energy recovery unit 70, wherein the pressure energy recovery unit 70 is connected with the carbon dioxide degassing outlet and is used for recovering the pressure energy of the gas discharged from the carbon dioxide degassing outlet. In practice, the pressure energy recovery unit 80 may be an existing TRT energy recovery system of a steel plant or an expansion work principle-based device.
Preferably, CO2The membrane separation unit 20 is also provided with a high pressure non-permeate gas outlet which is connected to an inlet of the pressure energy recovery unit 70. CO 22The high pressure non-permeate gas separated by the membrane separation unit 20 contains a portion of CO and N2After the carbon dioxide and the product gas are recovered by pressure energy together with the carbon dioxide removing gas, the product gas with higher combustion heat value is formed.
According to another aspect of the present invention, there is provided a method for increasing the combustion heat value of blast furnace gas, comprising the steps of: carrying out carbon dioxide pressure swing adsorption separation on blast furnace gas to obtain carbon dioxide degassing gas and carbon dioxide enriched gas; CO enrichment of carbon dioxide2Membrane separation treatment to obtain CO2And (5) producing gas. The method for treating blast furnace gas can effectively separate carbon dioxide in the gas, particularly carbon dioxide and hydrogen in the gas, can effectively enrich carbon dioxide, and can obviously improve the combustion heat value of the blast furnace gas.
In order to further enhance the effect of the carbon dioxide pressure swing adsorption separation, in a preferred embodiment, in the step of carbon dioxide pressure swing adsorption separation, the process conditions are as follows: the treatment temperature is-10-160 ℃, the adsorption pressure is 0.10-1.50 MPa (A), and the adsorbent is one or more of molecular sieve, silica gel, activated carbon and modified adsorbent thereof. Preferably, the step of carbon dioxide pressure swing adsorption separation comprises: performing carbon dioxide pressure swing adsorption on the blast furnace gas by using the adsorbent under the process conditions to obtain the adsorbent with carbon dioxide removed gas and carbon dioxide adsorbed; and desorbing the adsorbent adsorbed with the carbon dioxide in a vacuum state to obtain a second carbon dioxide enriched gas.
In a preferred embodiment, the method further comprises, prior to the step of performing the carbon dioxide pressure swing adsorption separation, a step of first compressing the blast furnace gas; preferably, in the first compression step, the gas pressure is 0.10 to 1.50MPa (A). Thus can be CO2Pressure swing adsorption further provides pressure conditions. In a preferred embodiment, the CO is carried out2Before the step of membrane separation treatment, the method further comprises the step of second compressing the carbon dioxide enriched gas; preferably, in the second compression step, the gas pressure is greater than 0.11mpa (a). This can be CO2Osmosis further provides pressure drive. And it should be noted that, compared with the method of using vacuum pumping or purging to reduce pressure, the present invention can provide enough pressure difference by using the second compression to drive enough CO2Permeation through membranes, especially polymeric separation membranes, to further increase CO2The collection and recovery rate of (1).
In a preferred embodiment, after the step of first compressing, the method further comprises the step of removing solid and liquid impurities from the compressed blast furnace gas; preferably, the step of removing solid and liquid impurities from the compressed blast furnace gas comprises: and cooling, demisting and filtering the compressed blast furnace gas in sequence. Condensable liquid foam, fog drops and possibly entrained solid particles in the coal gas can be removed through demisting. And then harmful impurities such as fine liquid and the like which can be entrained in the coal gas can be further removed through filtering treatment. In a word, the method can be used for more fully removing impurities such as liquid impurities, solid particles and the like in the coal gas, and the subsequent separation effect is improved.
In a preferred embodiment, after the step of second compressing, the method further comprises the step of removing moisture from the compressed carbon dioxide-enriched gas; preferably, the step of removing moisture from the compressed carbon dioxide-enriched gas comprises: and sequentially cooling, demisting and filtering the compressed carbon dioxide enriched gas, or dehydrating the compressed carbon dioxide enriched gas.
By CO2Pressure swing adsorption separationAfter the treatment, the carbon dioxide degassing gas has a certain pressure energy, and in order to recover the pressure energy and save energy consumption, in a preferred embodiment, after the step of obtaining the carbon dioxide degassing gas, the method further comprises the step of recovering the pressure energy of the carbon dioxide degassing gas; preferably, CO2The step of membrane separation treatment also obtains high-pressure non-permeable gas, and the method also comprises the step of recovering pressure energy by the high-pressure non-permeable gas and carbon dioxide degassing gas. In practical application, the pressure energy in the carbon dioxide degassing gas can be recovered through the existing TRT energy recovery system of the steel plant or a device based on the expansion work-doing principle.
The following examples further illustrate the beneficial effects of the present invention:
example 1
The device shown in the figure 1 of the utility model balances the low-concentration CO in blast furnace gas2Trapping process and treating effect of other gases such as hydrogen.
Wherein, a polymer separation membrane is adopted in the carbon dioxide membrane separation unit. The polymer is Polyimide (PI); in the step of carbon dioxide pressure swing adsorption separation, the process conditions are as follows: the treatment temperature is 30 ℃, the treatment pressure is 0.50MPa (A), and the adsorbent is silica gel.
The mass balance results are shown in table 1:
TABLE 1
As can be seen from Table 1, when the flue gas flow rate was 10000Nm3/h，CO225.70% of CO, 21.86% of H2Content 2.96%, CO obtained by the Process in this example2The flow rate of permeation gas (product gas) of the membrane separation unit is 699Nm3/h，CO2The content was 97.11%. The concentration of CO is increased from 21.86% to 29.97%, the concentration of hydrogen is increased from 2.96% to 4.50%, and CO is captured2And improving the combustion heat value of the blast furnace gas.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An apparatus for increasing the combustion heat value of blast furnace gas, comprising:
CO2a pressure swing adsorption separation unit (10) provided with a blast furnace gas inlet, a carbon dioxide removing gas outlet and a carbon dioxide enriched gas outlet, wherein the CO is2The pressure swing adsorption separation unit (10) is used for carrying out pressure swing adsorption separation on the carbon dioxide on the blast furnace gas; and
CO2a membrane separation unit (20) provided with a carbon dioxide enriched gas inlet and CO2A product gas outlet, the carbon dioxide enriched gas inlet being connected to the carbon dioxide enriched gas outlet.
2. The arrangement according to claim 1, characterized by a first compression unit (30), which first compression unit (30) is arranged on the gas inlet line where the blast furnace gas inlet is located, for compressing the blast furnace gas.
3. The arrangement according to claim 2, characterized by further comprising a first gas treatment unit (40), the first gas treatment unit (40) being arranged on the line of the first compression unit (30) connected to the blast furnace gas inlet for removing solid and liquid impurities from the compressed blast furnace gas.
4. The apparatus according to claim 3, wherein the first gas treatment unit (40) comprises a first cooler, a first demister and a first filter arranged in series in this order.
5. The apparatus according to any one of claims 1 to 4, further comprising a second compression unit (50), the second compression unit (50) being arranged on a line connecting the carbon dioxide enriched gas inlet and the carbon dioxide enriched gas outlet for compressing the carbon dioxide enriched gas discharged from the carbon dioxide enriched gas outlet.
6. The apparatus according to claim 5, further comprising a second gas treatment unit (60), the second gas treatment unit (60) being arranged in a line connecting the second compression unit (50) and the carbon dioxide enriched gas inlet for removing moisture from the compressed carbon dioxide enriched gas.
7. The apparatus according to claim 6, wherein the second gas treatment unit (60) comprises a second cooler, a second demister and a second filter arranged in series in this order, or wherein the second gas treatment unit (60) is a dehydration device.
8. An apparatus according to any one of claims 1 to 4, further comprising a pressure energy recovery unit (70), said pressure energy recovery unit (70) being connected to said carbon dioxide removal gas outlet for recovering pressure energy of the gas discharged from said carbon dioxide removal gas outlet.
9. The apparatus of claim 8, wherein the CO is present in a gas phase2The membrane separation unit (20) is also provided with a high-pressure non-permeate gas outlet which is connected with an inlet of the pressure energy recovery unit (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920906443.5U CN210915955U (en) | 2019-06-14 | 2019-06-14 | Device for increasing combustion heat value of blast furnace gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920906443.5U CN210915955U (en) | 2019-06-14 | 2019-06-14 | Device for increasing combustion heat value of blast furnace gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210915955U true CN210915955U (en) | 2020-07-03 |
Family
ID=71359465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920906443.5U Active CN210915955U (en) | 2019-06-14 | 2019-06-14 | Device for increasing combustion heat value of blast furnace gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210915955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110157489A (en) * | 2019-06-14 | 2019-08-23 | 林千果 | Improve the device and method of blast furnace gas combustion calorific value |
| JPWO2022014469A1 (en) * | 2020-07-13 | 2022-01-20 |
-
2019
- 2019-06-14 CN CN201920906443.5U patent/CN210915955U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110157489A (en) * | 2019-06-14 | 2019-08-23 | 林千果 | Improve the device and method of blast furnace gas combustion calorific value |
| JPWO2022014469A1 (en) * | 2020-07-13 | 2022-01-20 | ||
| WO2022014469A1 (en) * | 2020-07-13 | 2022-01-20 | 日本碍子株式会社 | Separation system |
| JP7444990B2 (en) | 2020-07-13 | 2024-03-06 | 日本碍子株式会社 | separation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1202576A (en) | Process for separating carbonic acid gas from methane- rich gas | |
| JPH0838846A (en) | Method for recovering light substance containing hydrogen orhelium from high pressure flow of feeding matter | |
| JP2011506065A (en) | Plant and method for recovering carbon dioxide | |
| CN210915955U (en) | Device for increasing combustion heat value of blast furnace gas | |
| CN111871146A (en) | Carbon dioxide capture system based on coupling membrane separation method and adsorption method | |
| CN114904372A (en) | Energy-saving carbon dioxide capture system and method thereof | |
| CN110156016A (en) | The combined recovery device and method of carbon dioxide in flue gas, nitrogen and oxygen | |
| CN110157486A (en) | The Integrated Processing Unit and method of blast furnace gas | |
| US11701612B2 (en) | Multi-stage PSA process to remove contaminant gases from raw methane streams | |
| CN210134071U (en) | Device for increasing combustion heat value of blast furnace gas | |
| CN110127700A (en) | The combined recovery device and method of carbon dioxide in flue gas, nitrogen and oxygen | |
| CN210134073U (en) | Comprehensive treatment device for blast furnace gas | |
| CN210134072U (en) | Comprehensive treatment device for blast furnace gas | |
| CN207628185U (en) | The joint of carbon dioxide in flue gas and nitrogen traps retracting device | |
| CN210150733U (en) | Combined recovery device for carbon dioxide, nitrogen and oxygen in flue gas | |
| CN210134070U (en) | Device for removing carbonyl sulfide in blast furnace gas and improving combustion heat value of blast furnace gas | |
| WO2020234901A1 (en) | A biogas upgradation system with reduced methane slippage | |
| WO2023140238A1 (en) | Method and apparatus for manufacturing purified gas | |
| US9051228B2 (en) | LNG pretreatment | |
| CN210133891U (en) | Combined recovery device for carbon dioxide, nitrogen and oxygen in flue gas | |
| JPH09187622A (en) | Method for separating and recovering concentrated carbon dioxide | |
| KR19980068513A (en) | Low Pressure Ethanol Pressure Swing Adsorption Dewatering System Using Carbon Dioxide | |
| CN110157489A (en) | Improve the device and method of blast furnace gas combustion calorific value | |
| CN112588075A (en) | Organic waste gas purification and recovery device with deep desorption function and method thereof | |
| CN216457902U (en) | Near zero release n-hexane tail gas separation recovery system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |