CN204768080U - Dust arrester installation - Google Patents
Dust arrester installation Download PDFInfo
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- CN204768080U CN204768080U CN201520410305.XU CN201520410305U CN204768080U CN 204768080 U CN204768080 U CN 204768080U CN 201520410305 U CN201520410305 U CN 201520410305U CN 204768080 U CN204768080 U CN 204768080U
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Abstract
Dust arrester installation, including exhaust outlet, cooling space, the first district of gathering dust, second gather dust the district, reach the gas vent, one side of exhaust outlet is provided with the cooling space, and the cooling space lower extreme is provided with air heat exchanger, one side that the cooling space deviates from the exhaust outlet is provided with the first district of gathering dust, and the first district upper end of gathering dust is provided with the smoke and dust district, is provided with smoke and dust conveying equipment in the smoke and dust district, is provided with the swirling flow dust collector in the first district of gathering dust, establishes wear -resisting inside lining in the swirling flow dust collector, and one side that the first district of gathering dust deviates from the cooling space is provided with the second district of gathering dust, and the second gathers dust district's lower extreme and is provided with recovery area, is provided with sulfur dioxide in the recovery area and purifies recovery unit, is provided with wet -type dust arrester installation in the second gathers dust and distinguishes, smoke and dust conveying equipment adopts the screw conveyer mode to carry, has the advantage that the leakproofness is good, can avoid the smoke and dust to fly upward, causes the polluted environment, be provided with wet -type dust arrester installation in the second gathers dust and distinguishes, wet -type dust arrester installation adopts venturi dust arrester installation, has simple structure, and the working condition is good, and it is efficient to gather dust.
Description
Technical field
The utility model relates to smelting exhaust gas dust cleaning field, especially a kind of dust arrester installation.
Background technology
Non-ferrous metal pyrometallurgical smelting process (comprising drying, sintering, roasting, melting, blowing, fuming, volatilization, founding etc.), produces a large amount of flue gas, is wherein entrained with flue dust, containing main metal and various valuable element in flue dust.For improving smelting recovery, synthetical recovery valuable element, alleviates the pollution to environment, flue dust must be collected from flue gas.For the flue gas during smelting needing comprehensive utilization further, dustiness after gathering dust also will meet many technological requirements, the temperature of non-ferrous metal metallurgy flue gas is general higher, have up to more than 1000, usually need first lower the temperature, with the requirement of adapt to gather dust technique or equipment, therefore in dust arrester installation, cooling device and dust-precipitator are particularly important, conventional equipment is not provided with waste-heat recovery device, cause the waste of the energy, conventional dust-precipitator dust collection rate is not high, a lot of flue dust is containing being corrosive, serious corrosion is caused to equipment, containing a lot of dusty gas in waste gas, as dealt with improperly, meeting atmosphere pollution, portion composition also can secondary recovery, as recovery not yet in effect, not only cause the waste of resource, also cause environmental pollution.
The utility model is exactly the improvement carried out to overcome the above problems.
Utility model content
The purpose of this utility model is to provide and a kind of reduces environmental pollution, reduces the wasting of resources, good absorbing effect, the high and adaptable dust arrester installation of dust collection rate.
The technical scheme that the utility model adopts for its technical problem of solution is:
Dust arrester installation, comprises exhaust outlet, cooling zone, the first dust collection section, the second dust collection section and exhaust outlet, and above each parts are linked in sequence by flue gas delivery pipe to exhaust outlet side successively according to the side of waste gas circulating direction from exhaust outlet, the side of exhaust outlet is provided with cooling zone, and lower end, cooling zone is provided with air heat exchanger, and air heat exchanger can cool the high-temperature flue gas of cooling zone, the side that cooling zone deviates from exhaust outlet is provided with the first dust collection section, first upper end, dust collection section is provided with flue dust district, flue dust conveying equipment is provided with in flue dust district, swirling flow dust-precipitator is provided with in first dust collection section, wear-resistant liner is established in swirling flow dust-precipitator, the side that first dust collection section deviates from cooling zone is provided with the second dust collection section, second lower end, dust collection section is provided with recovery area, purging sulfur dioxide retracting device is provided with in recovery area, wet dust collection device is provided with in second dust collection section, wet dust collection device is set to venturi dust arrester installation, venturi dust arrester installation is made up of Venturi tube and Wet type cyclone dust-precipitator, venturi dust collector periphery comprises smoke inlet, water inlet, exhanst gas outlet and mud outlet, the side of venturi dust arrester installation is provided with smoke inlet and water inlet, smoke inlet is positioned at the upper end of venturi dust arrester installation, the lower end of smoke inlet extends to the lower end of venturi dust arrester installation, water inlet is positioned at the lower end of smoke inlet, the opposite side of venturi dust arrester installation is provided with exhanst gas outlet, smoke inlet is connected with one end of the flue gas delivery pipe near the first dust collection section, exhanst gas outlet is connected with the other end of the flue gas delivery pipe deviating from the first dust collection section, the side that second dust collection section deviates from the first dust collection section is provided with exhaust outlet,
In one embodiment, flue dust conveying equipment adopts conveying worm mode to carry, and has the advantage of good airproof performance, flue dust can be avoided to fly upward, pollute environment;
In one embodiment, purging sulfur dioxide retracting device adopts active carbon, activated coal, activated alumina, zeolite, silica gel adsorption to absorb, advantages of good adsorption effect;
Concrete, active carbon is also known as activated carbon black.Black powder or granular amorphous carbon.Active carbon principal component goes back the element such as aerobic, hydrogen in addition to carbon.The reason of this to be active carbon be hydrophobic adsorbent;
Concrete, zeolite is that natural zeolite forms through multiple special process activation, its absorption property is stronger than natural zeolite, ion-exchange performance is also better, the turbidity in water, colourity, peculiar smell can not only be removed, and to heavy metal harmful in water, as: chromium, cadmium, nickel, zinc, mercury, iron ion and organic matter: the material such as phenol, BHC, DDT, three nitrogen, ammonia nitrogen, phosphate anion has absorption exchange interaction, also be conducive to removing various micropollutants in water and water-leach liquor containing poisonous, harmful body material, goes removing ferro in water, fluorine effect more remarkable.Therefore active zeolite is the new type ideal filtrate of industrial water supply, wastewater treatment and tap water filter;
Concrete, activated alumina, have another name called activated bauxite, use usually specially being called " activated alumina " of aluminium oxide in the catalyst, it is the solid material of a kind of porous, high degree of dispersion, has very large surface area, and its micropore surface possesses the characteristic required by catalytic action, as absorption property, surface-active, excellent heat endurance etc., so be widely used as catalyst and the catalyst carrier of chemical reaction;
Particularly, silica gel is called: silicon rubber is a kind of high activity sorbing material, and belong to amorphous substance, water insoluble and any solvent, nonpoisonous and tasteless, stable chemical nature, does not react with any material except highly basic, hydrofluoric acid.The silica gel of various model forms different microcellular structures because its manufacture method is different.The chemical composition of silica gel and physical arrangement, determine it and have other same type of material many and be difficult to replace to obtain feature: absorption property is high, Heat stability is good, stable chemical nature, have higher mechanical strength etc.
Operation principle is: the exhaust gas and smoke of smelting enters cooling zone through exhaust outlet, cooled by the flue dust of air heat exchanger to high temperature in cooling zone, flue dust is entering the first dust collection section by flue gas delivery pipe, when flue gas enters the swirling flow dust-precipitator in the first dust collection section, flue gas is rotated up by bottom importing with the speed of 25 ~ 35 meter per seconds, grit centrifugalization is concentrated outside gas column, form a stable air column rotated, the grit concentrated is brought into bottom dust hopper by the secondary air tangentially entered, flue gas is separated with grit, flue gas after first time purification enters the second dust collection section by flue gas delivery pipe, flue gas flows in wet dust collection device in the second dust collection section, wet dust collection device is venturi dust arrester installation, be made up of Venturi tube and Wet type cyclone dust-precipitator, flue gas is with the trunnion of the high speed of 60 ~ 120 meter per seconds by Venturi tube, the aqueous dispersion spraying into trunnion is become droplet, make grit moistening, cohesion increases, then rotoclone collector is entered, grit collecting is got off, carry out second time purified gas purer, air is discharged into by exhaust outlet, waste gas containing sulfur dioxide enters recovery area and carries out secondary recovery utilization.
The utility model has the advantage of:
1. flue dust conveying equipment adopts conveying worm mode to carry, and has the advantage of good airproof performance, flue dust can be avoided to fly upward, pollute environment.
2. purging sulfur dioxide retracting device adopts active carbon, activated coal, activated alumina, zeolite, silica gel adsorption to absorb, when reducing use chemical raw material and other energy, Physical Absorption mode is used to absorb, what absorb is more thorough, advantages of good adsorption effect, reduce environmental pollution, reduce the waste of resource.
3. be provided with wet dust collection device in the second dust collection section, wet dust collection device adopts venturi dust arrester installation, and have structure simple, working condition is good, and dust-collecting efficiency is high.
4. be provided with swirling flow dust-precipitator in the first dust collection section, in swirling flow dust-precipitator, establish wear-resistant liner, can process containing the strong flue dust of abrasion, reliability and durability, easy to maintenance, strong adaptability.
5. the overall structure of dust arrester installation is simple, is provided with double dust collection section and recovery area, purification more thorough, has the effect of reclaiming utility in waste gas, has both reduced the pollution to environment, and additionally reduced the waste of resource.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dust arrester installation that the utility model proposes.
Fig. 2 is the structural representation of venturi dust arrester installation in Fig. 1.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with diagram and specific embodiment, setting forth the utility model further.
Shown in seeing figures.1.and.2, this dust arrester installation comprises exhaust outlet 1, dust collection section 5, dust collection section 3, second, cooling zone 2, first and exhaust outlet 8, and above each parts are linked in sequence by flue gas delivery pipe 9 to exhaust outlet 8 side successively according to the side of waste gas circulating direction from exhaust outlet 1, the side of exhaust outlet 1 is provided with cooling zone 2, and lower end, cooling zone is provided with air heat exchanger 6, and air heat exchanger 6 can cool the high-temperature flue gas of cooling zone, the side that cooling zone 2 deviates from exhaust outlet 1 is provided with the first dust collection section 3, first upper end, dust collection section 3 is provided with flue dust district 4, flue dust conveying equipment is provided with in flue dust district 4, swirling flow dust-precipitator 31 is provided with in first dust collection section 3, wear-resistant liner is established in swirling flow dust-precipitator 31, the side that first dust collection section 3 deviates from cooling zone 2 is provided with the second dust collection section 5, second lower end, dust collection section 5 is provided with recovery area 7, purging sulfur dioxide retracting device is provided with in recovery area, wet dust collection device 51 is provided with in second dust collection section 5, wet dust collection device 5 is set to venturi dust arrester installation 51, venturi dust arrester installation 51 is made up of Venturi tube and Wet type cyclone dust-precipitator, venturi dust collector 51 periphery comprises smoke inlet 511, water inlet 512, exhanst gas outlet 513 and mud outlet 514, the side of venturi dust arrester installation 51 is provided with smoke inlet 511 and water inlet 512, smoke inlet 511 is positioned at the upper end of venturi dust arrester installation 51, the lower end of smoke inlet 511 extends to the lower end of venturi dust arrester installation 51, water inlet 512 is positioned at the lower end of smoke inlet 511, the opposite side of venturi dust arrester installation 51 is provided with exhanst gas outlet 513, smoke inlet 511 is connected with one end of the flue gas delivery pipe 9 near the first dust collection section 3, exhanst gas outlet 513 is connected with the other end of the flue gas delivery pipe 9 deviating from the first dust collection section 3, the side that second dust collection section 5 deviates from the first dust collection section 3 is provided with exhaust outlet 8,
In the present embodiment, flue dust conveying equipment adopts conveying worm mode to carry, and has the advantage of good airproof performance, flue dust can be avoided to fly upward, pollute environment;
Purging sulfur dioxide retracting device adopts active carbon, activated coal, activated alumina, zeolite, silica gel adsorption to absorb, advantages of good adsorption effect;
Concrete, active carbon is also known as activated carbon black.Black powder or granular amorphous carbon.Active carbon principal component goes back the element such as aerobic, hydrogen in addition to carbon.The reason of this to be active carbon be hydrophobic adsorbent;
Concrete, zeolite is that natural zeolite forms through multiple special process activation, its absorption property is stronger than natural zeolite, ion-exchange performance is also better, the turbidity in water, colourity, peculiar smell can not only be removed, and to heavy metal harmful in water, as: chromium, cadmium, nickel, zinc, mercury, iron ion and organic matter: the material such as phenol, BHC, DDT, three nitrogen, ammonia nitrogen, phosphate anion has absorption exchange interaction, also be conducive to removing various micropollutants in water and water-leach liquor containing poisonous, harmful body material, goes removing ferro in water, fluorine effect more remarkable.Therefore active zeolite is the new type ideal filtrate of industrial water supply, wastewater treatment and tap water filter;
Concrete, activated alumina, have another name called activated bauxite, use usually specially being called " activated alumina " of aluminium oxide in the catalyst, it is the solid material of a kind of porous, high degree of dispersion, has very large surface area, and its micropore surface possesses the characteristic required by catalytic action, as absorption property, surface-active, excellent heat endurance etc., so be widely used as catalyst and the catalyst carrier of chemical reaction;
Particularly, silica gel is called: silicon rubber is a kind of high activity sorbing material, and belong to amorphous substance, water insoluble and any solvent, nonpoisonous and tasteless, stable chemical nature, does not react with any material except highly basic, hydrofluoric acid.The silica gel of various model forms different microcellular structures because its manufacture method is different.The chemical composition of silica gel and physical arrangement, determine it and have other same type of material many and be difficult to replace to obtain feature: absorption property is high, Heat stability is good, stable chemical nature, have higher mechanical strength etc.
The exhaust gas and smoke smelted enters cooling zone through exhaust outlet, cooled by the flue dust of air heat exchanger to high temperature in cooling zone, flue dust is entering the first dust collection section by flue gas delivery pipe, when flue gas enters the swirling flow dust-precipitator in the first dust collection section, flue gas is rotated up by bottom importing with the speed of 25 ~ 35 meter per seconds, grit centrifugalization is concentrated outside gas column, form a stable air column rotated, the grit concentrated is brought into bottom dust hopper by the secondary air tangentially entered, flue gas is separated with grit, flue gas after first time purification enters the second dust collection section by flue gas delivery pipe, flue gas flows in wet dust collection device in the second dust collection section, wet dust collection device is venturi dust arrester installation, be made up of Venturi tube and Wet type cyclone dust-precipitator, flue gas is with the trunnion of the high speed of 60 ~ 120 meter per seconds by Venturi tube, the aqueous dispersion spraying into trunnion is become droplet, make grit moistening, cohesion increases, then rotoclone collector is entered, grit collecting is got off, carry out second time purified gas purer, air is discharged into by exhaust outlet, waste gas containing sulfur dioxide enters recovery area and carries out secondary recovery utilization,
Flue dust conveying equipment adopts conveying worm mode to carry, and has the advantage of good airproof performance, flue dust can be avoided to fly upward, pollute environment; Purging sulfur dioxide retracting device adopts active carbon, activated coal, activated alumina, zeolite, silica gel adsorption to absorb, when reducing use chemical raw material and other energy, Physical Absorption mode is used to absorb, what absorb is more thorough, advantages of good adsorption effect, reduce environmental pollution, reduce the waste of resource; Be provided with wet dust collection device in second dust collection section, wet dust collection device adopts venturi dust arrester installation, and have structure simple, working condition is good, and dust-collecting efficiency is high; Be provided with swirling flow dust-precipitator in first dust collection section, in swirling flow dust-precipitator, establish wear-resistant liner, can process containing the strong flue dust of abrasion, reliability and durability, easy to maintenance, strong adaptability; The overall structure of dust arrester installation is simple, is provided with double dust collection section and recovery area, purification more thorough, has the effect of reclaiming utility in waste gas, has both reduced the pollution to environment, and additionally reduced the waste of resource.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. dust arrester installation, it is characterized in that, comprise exhaust outlet (1), cooling zone (2), the first dust collection section (3), the second dust collection section (5) and exhaust outlet (8), above each parts are linked in sequence by flue gas delivery pipe (9) from the side of exhaust outlet (1) to exhaust outlet (8) side successively according to waste gas circulating direction, the side of exhaust outlet (1) is provided with cooling zone (2), and lower end, cooling zone is provided with air heat exchanger (6), and air heat exchanger (6) can cool the high-temperature flue gas of cooling zone, the side that cooling zone (2) deviates from exhaust outlet (1) is provided with the first dust collection section (3), first dust collection section (3) upper end is provided with flue dust district (4), flue dust district is provided with flue dust conveying equipment in (4), swirling flow dust-precipitator (31) is provided with in first dust collection section (3), swirling flow dust-precipitator establishes wear-resistant liner in (31), the side that first dust collection section (3) deviates from cooling zone (2) is provided with the second dust collection section (5), second dust collection section (5) lower end is provided with recovery area (7), purging sulfur dioxide retracting device is provided with in recovery area, wet dust collection device (51) is provided with in second dust collection section (5), wet dust collection device (5) is set to venturi dust arrester installation (51), venturi dust arrester installation (51) is made up of Venturi tube and Wet type cyclone dust-precipitator, venturi dust collector (51) periphery comprises smoke inlet (511), water inlet (512), exhanst gas outlet (513) and mud outlet (514), the side of venturi dust arrester installation (51) is provided with smoke inlet (511) and water inlet (512), smoke inlet (511) is positioned at the upper end of venturi dust arrester installation (51), the lower end of smoke inlet (511) extends to the lower end of venturi dust arrester installation (51), water inlet (512) is positioned at the lower end of smoke inlet (511), the opposite side of venturi dust arrester installation (51) is provided with exhanst gas outlet (513), smoke inlet (511) is connected with one end of the flue gas delivery pipe (9) near the first dust collection section (3), exhanst gas outlet (513) is connected with the other end of the flue gas delivery pipe (9) deviating from the first dust collection section (3), the side that second dust collection section (5) deviates from the first dust collection section (3) is provided with exhaust outlet (8).
2. dust arrester installation according to claim 1, is characterized in that, flue dust conveying equipment adopts conveying worm mode to carry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410305.XU CN204768080U (en) | 2015-06-15 | 2015-06-15 | Dust arrester installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520410305.XU CN204768080U (en) | 2015-06-15 | 2015-06-15 | Dust arrester installation |
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| CN204768080U true CN204768080U (en) | 2015-11-18 |
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| CN201520410305.XU Expired - Fee Related CN204768080U (en) | 2015-06-15 | 2015-06-15 | Dust arrester installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407429A (en) * | 2019-08-27 | 2019-11-05 | 第一环保（深圳）股份有限公司 | A kind of quick anhydration system of low energy consumption wet stock and method |
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2015
- 2015-06-15 CN CN201520410305.XU patent/CN204768080U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407429A (en) * | 2019-08-27 | 2019-11-05 | 第一环保（深圳）股份有限公司 | A kind of quick anhydration system of low energy consumption wet stock and method |
| CN110407429B (en) * | 2019-08-27 | 2023-11-24 | 第一环保（深圳）股份有限公司 | Low-energy-consumption wet material rapid drying system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160615 |