CN214407045U - Steam recovery system - Google Patents
Steam recovery system Download PDFInfo
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- CN214407045U CN214407045U CN202120119996.3U CN202120119996U CN214407045U CN 214407045 U CN214407045 U CN 214407045U CN 202120119996 U CN202120119996 U CN 202120119996U CN 214407045 U CN214407045 U CN 214407045U
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Abstract
A water inlet of a water collecting tank is used for being connected with a drainage source, the tank top of the water collecting tank is connected with a steam-water mixer through a first pipeline, the steam-water mixer is located at the bottom of a hollow space in a hot water tank, a first valve is arranged on the first pipeline, the tank bottom is connected with a heat exchange medium inlet of a heat exchanger through a second pipeline, a second valve is arranged on the second pipeline, a heat exchange medium outlet of the heat exchanger is connected with the hot water tank through a third pipeline, a process medium inlet of the heat exchanger is connected with an air source, a process medium outlet of the heat exchanger serves as a heat medium outlet to provide heat medium for a desalted water storage tank, the top of the hot water tank is connected with a steam inlet of an exhaust steam recovery device through a fourth pipeline, and a hot water outlet of the exhaust steam recovery device is connected with the hot water tank through a fifth pipeline. The utility model has the advantages of being simple in structure and convenient in operation, can effectively utilize the latent heat of steam that catchments jar, hot-water tank, effectively improve the utilization efficiency of heat energy.
Description
Technical Field
The utility model relates to a chemical industry field, in particular to steam recovery system.
Background
In the production process of chemical enterprises, the obtained steam condensate is recovered and collected in a steam condensate storage tank, and the condensate collected in the steam condensate storage tank is pumped to a hot water tank for recycling production. The vapor phase (steam) generated in the steam condensate storage tank is directly discharged to the atmosphere. The supplemented desalted water in the hot water tank still needs fresh steam for heating, and the vapor phase (steam) generated in the hot water tank is also directly discharged to the atmosphere, so that the latent heat in the two vapor phases cannot be effectively utilized, and the waste of heat is caused.
Therefore, how to effectively recover latent heat in steam is an urgent problem to be solved by those skilled in the art.
Disclosure of Invention
The utility model aims at the not enough of prior art, provide a steam recovery system, its simple structure, convenient operation can effectively utilize the latent heat of steam that catchments jar, hot-water tank, effectively improve the utilization efficiency of heat energy.
The technical scheme of the utility model is that: a steam recovery system, which comprises a water collecting tank, a heat exchanger, a hot water tank, an exhaust steam recovery device and a desalted water storage tank, the water inlet of the water collecting tank is connected with a drainage source, the tank top of the water collecting tank is connected with a vapor-water mixer through a first pipeline, the steam-water mixer is positioned at the bottom of the hollow part of the hot water tank, a first valve is arranged on the first pipeline, the tank bottom of the water collecting tank is connected with the heat exchange medium inlet of the heat exchanger through a second pipeline, a second valve is arranged on the second pipeline, a heat exchange medium outlet of the heat exchanger is connected with the hot water tank through a third pipeline, a process medium inlet of the heat exchanger is connected with an air source, a process medium outlet of the heat exchanger externally discharges hot air, the top of the hot water tank is connected with a steam inlet of the dead steam recovery device through a fourth pipeline, and a hot water outlet of the dead steam recovery device is connected with the hot water tank through a fifth pipeline.
The top of the water collecting tank is provided with a safety valve communicated with the atmosphere, and the top of the water collecting tank is provided with a normally closed pneumatic valve communicated with the atmosphere.
The water collecting tank is characterized by further comprising a drain pipe, the upstream of the drain pipe is connected with a plurality of water draining sources, a water inlet of the water collecting tank is connected with the drain pipe through a sixth pipeline, and a third valve is arranged on the sixth pipeline.
The condensate storage tank is connected with the drain pipe through a seventh pipeline, a fourth valve is arranged on the seventh pipeline, the condensate storage tank is further connected with a third pipeline through an eighth pipeline, and a fifth valve is arranged on the eighth pipeline.
The hot water tank is connected with the tank bottom of the water collecting tank through a ninth pipeline, and a sixth valve is arranged on the ninth pipeline.
And the downstream end of the fifth pipeline is connected with the ninth pipeline and is positioned at the downstream of the sixth valve.
The desalted water storage tank is connected with the third pipeline through a tenth pipeline, and a seventh valve is arranged on the tenth pipeline.
Adopt above-mentioned technical scheme to have following beneficial effect:
1. the steam recovery system comprises a water collecting tank, a heat exchanger, a hot water tank, a waste steam recovery device and a desalted water storage tank. The water inlet of the water collecting tank is used for being connected with a water draining source, namely, steam condensate water generated by enterprises is collected into the water collecting tank as high-temperature desalted water for standby application as the water draining source. The tank deck of jar that catchments links to each other through first pipeline and vapour-water mixer, and this vapour-water mixer is located the empty bottom of hot-water tank is equipped with first valve on this first pipeline, and the flash steam that produces in the jar that catchments directly discharges into the hot-water tank through first pipeline in, through the steam-water mixture, heats up the desalinized water heating in the hot-water tank, avoids the direct heat loss who arranges the atmosphere outward and cause of flash steam in the jar that catchments, realizes effectively utilizing to the high temperature steam that the jar that catchments generated. The tank bottom of jar catchments through the second pipeline with the heat transfer medium import of heat exchanger links to each other, is equipped with the second valve on this second pipeline, the heat transfer medium export of heat exchanger links to each other with the hot-water tank through the third pipeline, and the process medium import of heat exchanger links to each other with the air source, and the process medium export of heat exchanger externally discharges the hot-air, provides heating medium to the demineralized water storage tank, and the high temperature condensate in the jar catchments, through the heat exchanger as heating medium, with air heating, the hot-air that obtains further heats the product and heaies up, satisfies the actual demand of enterprise. The top of the hot water tank is connected with a steam inlet of the exhaust steam recovery device through a fourth pipeline, a hot water outlet of the exhaust steam recovery device is connected with the hot water tank through a fifth pipeline, high-temperature steam generated in the hot water tank heats up desalted water supplemented to the hot water tank through the exhaust steam recovery device, heating and warming up of the supplemented desalted water by adopting fresh steam is avoided, effective utilization of the high-temperature steam in the hot water tank is achieved, and steam consumption of enterprises is reduced.
2. The top of jar that catchments is equipped with the relief valve, with the atmosphere intercommunication, the top of jar that catchments is equipped with the normally closed pneumatic valve, and with the atmosphere intercommunication, through setting up normally closed pneumatic valve, relief valve, prevent that the flash evaporation steam pressure in the jar that catchments is too high, can directly discharge to atmosphere as required to guarantee the jar safety that catchments.
3. The hot-water tank passes through the ninth pipeline and links to each other with the tank bottoms that catchments the jar, is equipped with the sixth valve on this ninth pipeline, makes the high temperature comdenstion water in the jar that catchments directly arrange to supply to use in the hot-water tank, satisfies the actual demand of enterprise.
The following further description is made with reference to the accompanying drawings and detailed description.
Drawings
Fig. 1 is a schematic connection diagram of the present invention.
In the drawing, 1 is a water collecting tank, 2 is a heat exchanger, 3 is a hot water tank, 4 is a steam exhaust recovery device, 5 is a desalted water storage tank, 6 is a steam-water mixer, 7 is a safety valve, 8 is a normally closed pneumatic valve, 9 is a drain pipe, 10 is a condensed water storage tank, 101 is a first pipeline, 102 is a second pipeline, 103 is a third pipeline, 104 is a fourth pipeline, 105 is a fifth pipeline, 106 is a sixth pipeline, 107 is a seventh pipeline, 108 is an eighth pipeline, 109 is a ninth pipeline, 110 is a tenth pipeline, a is a first valve, b is a second valve, c is a third valve, d is a fourth valve, e is a fifth valve, f is a sixth valve, and g is a seventh valve.
Detailed Description
The utility model discloses in, do not mark the device, the equipment of specific structure, adopt the conventional device or the equipment in chemical industry field usually, do not mark the installation, the connected mode that adopt the conventional installation in chemical industry field usually of specific installation, connected mode or install, connect according to the guide suggestion of producer.
Referring to fig. 1, a particular embodiment of a vapor recovery system is shown. The steam recovery system comprises a water collecting tank 1, a heat exchanger 2, a hot water tank 3, a dead steam recovery device 4 and a desalted water storage tank 5. The water inlet of the water collecting tank 1 is used for being connected with a drainage source, in this embodiment, a drainage pipe 9 is further provided, the upstream of the drainage pipe 9 is connected with a plurality of drainage sources and used for receiving steam condensate, the water inlet of the water collecting tank 1 is connected with the drainage pipe 9 through a sixth pipeline 106, and a third valve c is arranged on the sixth pipeline 106. The tank top of the water collecting tank 1 is connected with a steam-water mixer 6 through a first pipeline 101, the steam-water mixer 6 is positioned at the bottom of the hollow part of the hot water tank 3, and a first valve a is arranged on the first pipeline 101. The tank bottom of water collecting tank 1 pass through second pipeline 102 with the heat transfer medium import of heat exchanger 2 links to each other, is equipped with second valve b on this second pipeline 102, and is concrete, and the second valve is two stop valves, and in order to guarantee water collecting tank safety, water collecting tank 1's top is equipped with relief valve 7, and with the atmosphere intercommunication, water collecting tank 1's top is equipped with normally closed pneumatic valve 8, and with the atmosphere intercommunication, generally, still need set up the blowoff valve at water collecting tank's tank bottoms, link to each other with the trench. The outlet of the heat exchange medium of the heat exchanger 2 is connected to the hot water tank 3 through a third pipeline 103, and usually, a gate valve needs to be arranged on the third pipeline. The process medium inlet of the heat exchanger 2 is connected with an air source, the process medium outlet of the heat exchanger 2 discharges hot air outwards, and provides a heat medium for the desalted water storage tank 5. The desalted water storage tank 5 is connected to the third pipeline 103 through a tenth pipeline 110, and a seventh valve g is provided on the tenth pipeline 110. The top of the hot water tank 3 is connected with the steam inlet of the exhaust steam recovery device 4 through a fourth pipeline 104, the hot water outlet of the exhaust steam recovery device 4 is connected with the hot water tank 3 through a fifth pipeline 105, the downstream end of the fifth pipeline 105 is connected with a ninth pipeline 109 and is located at the downstream of a sixth valve f, in this embodiment, the hot water tank 3 is connected with the tank bottom of the water collection tank 1 through the ninth pipeline 109, and the ninth pipeline 109 is provided with the sixth valve f.
Specifically, the condensate storage tank 10 is further included, the condensate storage tank 10 is connected with the drain pipe 9 through a seventh pipeline 107, a fourth valve d is arranged on the seventh pipeline 107, the condensate storage tank 10 is further connected with the third pipeline 103 through an eighth pipeline 108, and a fifth valve e is arranged on the eighth pipeline 108.
The working principle of the utility model is that the high-temperature condensate produced by the steam used by the enterprise passes through the drain valve and enters the water collecting tank for standby. The high-temperature condensate produces the flash steam in the water collecting tank, directly discharges into the hot-water tank through first pipeline in, through the steam-water mixture, heats up the desalinized water in the hot-water tank, avoids the direct heat loss who arranges the atmosphere outward and cause of flash steam in the water collecting tank, realizes effectively utilizing to the high-temperature steam that generates in the water collecting tank. High-temperature condensate (the temperature is about 110 ℃) in the water collection tank is heated by the second pipeline through the heat exchanger as a heating medium, and the obtained hot air is used for heating products. The condensate (with the temperature of about 50 ℃) passing through the heat exchanger enters the hot water tank from the third pipeline, and is mixed with the hot water in the hot water tank to be heated to about 95 ℃. High-temperature steam generated by flash evaporation of the hot water tank enters the exhaust steam recovery device through the fourth pipeline to serve as a heat source, cooling water entering the exhaust steam recovery device is heated, and the cooling water is discharged into the hot water tank for later use after being heated.
Claims (7)
1. A vapor recovery system, characterized by: comprises a water collecting tank (1), a heat exchanger (2), a hot water tank (3), an exhaust steam recovery device (4) and a desalted water storage tank (5),
the water inlet of the water collecting tank (1) is used for being connected with a drainage source, the tank top of the water collecting tank (1) is connected with a steam-water mixer (6) through a first pipeline (101), the steam-water mixer (6) is positioned at the bottom of the hollow space of the hot water tank (3), a first valve (a) is arranged on the first pipeline (101), the tank bottom of the water collecting tank (1) is connected with a heat exchange medium inlet of the heat exchanger (2) through a second pipeline (102), a second valve (b) is arranged on the second pipeline (102), a heat exchange medium outlet of the heat exchanger (2) is connected with the hot water tank (3) through a third pipeline (103), a process medium inlet of the heat exchanger (2) is connected with an air source, and a process medium outlet of the heat exchanger (2) discharges hot air outwards,
the top of the hot water tank (3) is connected with a steam inlet of the dead steam recovery device (4) through a fourth pipeline (104), and a hot water outlet of the dead steam recovery device (4) is connected with the hot water tank (3) through a fifth pipeline (105).
2. The vapor recovery system of claim 1, wherein: the top of the water collecting tank (1) is provided with a safety valve (7) communicated with the atmosphere, and the top of the water collecting tank (1) is provided with a normally closed pneumatic valve (8) communicated with the atmosphere.
3. The vapor recovery system of claim 1, wherein: the water collecting tank is characterized by further comprising a drain pipe (9), wherein the upstream of the drain pipe (9) is connected with a plurality of water draining sources, a water inlet of the water collecting tank (1) is connected with the drain pipe (9) through a sixth pipeline (106), and a third valve (c) is arranged on the sixth pipeline (106).
4. The vapor recovery system of claim 3, wherein: the device is characterized by further comprising a condensed water storage tank (10), wherein the condensed water storage tank (10) is connected with the drain pipe (9) through a seventh pipeline (107), a fourth valve (d) is arranged on the seventh pipeline (107), the condensed water storage tank (10) is further connected with a third pipeline (103) through an eighth pipeline (108), and a fifth valve (e) is arranged on the eighth pipeline (108).
5. The vapor recovery system of claim 1, wherein: the hot water tank (3) is connected with the bottom of the water collecting tank (1) through a ninth pipeline (109), and a sixth valve (f) is arranged on the ninth pipeline (109).
6. The vapor recovery system of claim 5, wherein: the downstream end of the fifth pipeline (105) is connected with a ninth pipeline (109) and is positioned at the downstream of the sixth valve (f).
7. The vapor recovery system of claim 1, wherein: the desalted water storage tank (5) is connected with the third pipeline (103) through a tenth pipeline (110), and a seventh valve (g) is arranged on the tenth pipeline (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120119996.3U CN214407045U (en) | 2021-01-15 | 2021-01-15 | Steam recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120119996.3U CN214407045U (en) | 2021-01-15 | 2021-01-15 | Steam recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214407045U true CN214407045U (en) | 2021-10-15 |
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ID=78045986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120119996.3U Active CN214407045U (en) | 2021-01-15 | 2021-01-15 | Steam recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214407045U (en) |
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2021
- 2021-01-15 CN CN202120119996.3U patent/CN214407045U/en active Active
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