CN2814296Y - Furnace smoke gas purifier - Google Patents
Furnace smoke gas purifier Download PDFInfo
- Publication number
- CN2814296Y CN2814296Y CN 200520083059 CN200520083059U CN2814296Y CN 2814296 Y CN2814296 Y CN 2814296Y CN 200520083059 CN200520083059 CN 200520083059 CN 200520083059 U CN200520083059 U CN 200520083059U CN 2814296 Y CN2814296 Y CN 2814296Y
- Authority
- CN
- China
- Prior art keywords
- sedimentation tank
- flue
- flue gas
- liquid
- smoke gas
- 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.)
- Expired - Fee Related
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model includes a flue that is connected with a furnace, and a chimney that is provided with an air guiding machine. The part between the flue and the chimney is equipped with a sealed sedimentation tank that is filled with smoke gas purification solution. A smoke gas purifier is installed above the sedimentation tank. The lower part of the smoke gas purifier is connected with the flue. The bottom of the smoke gas purifier is equipped with a sewage discharge pipe that leads to the sedimentation tank. The flue above the smoke gas purifier leads to the fluid in the sedimentation tank. The air inlet pipe of the air guiding machine is inserted into the sedimentation tank and located above the smoke gas purification solution. A corrosion resistant liquid suction pump which is connected with the mixed fluid in the sedimentation tank is equipped on the sedimentation tank. The corrosion resistant liquid suction pump is connected with a heating liquid storage tank. The liquid storage tank is equipped with a sediment discharge opening. The liquid storage tank is connected with an air storage tank through a pressure pump. The utility model is simple in structure and fine in smoke gas purification effect. Industrial CO2 can be refined from products in which smoke gas is purified. The residual sediment can be used as building early strength agent.
Description
Technical Field
The utility model belongs to the technical field of the clarification plant of flue gas, a kiln gas cleaning device who purifies flue gas specifically says so.
Background
At present, industrial kilns produce, during operation, a large amount of smoke and harmful gases, which mainly contain SO2And CO2It pollutes atmosphere seriously, and causes great damage to human living environment, such as greenhouse effect or acid rain. The coal-fired flue gas purification and dust removal equipment widely applied to the industrial furnace is also diversified in form, and is provided with a two-stage cyclone bag dust collector, an electrostatic dust collector or a purification device with the functions of smoke prevention, dust removal and desulfurization. However, some existing flue gas purification devices have the disadvantages of short overall service life, poor flue gas purification effect, complex structure, high cost and difficulty in popularization; meanwhile, the existing flue gas purification device can not effectively utilize purified products, such as precipitates and mixed liquid, and even causes secondary environmental pollution.
Disclosure of Invention
The to-be-solved first technical problem of the utility model is to provide a flue gas purification effect is good, simple structure's stove flue gas purification device, the to-be-solved second technical problem of the utility model is to carry out secondary industry to the result after flue gas purification and draw the application.
In order to solve the first technical problem, the utility model comprises a flue communicated with a furnace kiln and a chimney provided with a draught fan, and is structurally characterized in that a closed sedimentation tank is arranged between the flue and the chimney, and flue gas purification liquid is injected in the sedimentation tank; a smoke purifier is arranged above the sedimentation tank, the lower part of the smoke purifier is communicated with a flue, the bottom of the smoke purifier is provided with a blow-off pipe communicated with the sedimentation tank, and the flue at the upper part of the smoke purifier is communicated with the liquid level in the sedimentation tank; the spraying device is arranged above the interior of the flue gas purifier, a liquid inlet pipe of the spraying device is communicated with flue gas purifying liquid in the sedimentation tank through a corrosion-resistant pump, and an air inlet pipe of the induced draft fan is inserted into the sedimentation tank and is arranged above the flue gas purifying liquid.
In order to solve the second technical problem, a corrosion-resistant liquid suction pump communicated with the mixed liquid is arranged on the sedimentation tank, the corrosion-resistant liquid suction pump is communicated to the heating liquid storage tank, a slag discharge port is arranged on the liquid storage tank, and the liquid storage tank is communicated with the gas storage tank through a pressure pump.
A slag outlet is arranged at the lateral lower part of the sedimentation tank.
The utility model discloses a theory of operation is: ca (OH) is added into a sedimentation tank2The flue gas purification liquid accounts for 2/3-3/4 of the volume of the sedimentation tank, and the furnace kiln flue gas passes through the flue gas purifier and simultaneously Ca (OH)2The solution is pumped into a spraying device through a corrosion-resistant pump, and Ca (OH) is sprayed out of the spraying device2The solution forms a fog shape under the impact of the smoke and the wind and is in contact with SO in the smoke2And CO2Fully contact to generate chemical reaction to generate Ca (HSO)3)2(Gypsum) and CaHCO3Gypsum and CaHCO3And the smoke dust particles enter the sedimentation tank through the blow-off pipe, and the residual smoke is introduced into the liquid level in the sedimentation tank through the flue at the upper part of the smoke purifier to further perform chemical reaction. The purified flue gas is discharged from a chimney under the action of a draught fan, and the discharged gas reaches the secondary air standard. The products after reaction in the sedimentation tank mainly comprise gypsum and CaHCO3And soot particles, CaHCO3Pumping the solution into a heating liquid storage tank by an anti-corrosion liquid suction pump, and decomposing CO at high temperature2And storing in a gas storage tank as raw materials for producing beer, soda water and beverage, discharging the precipitate in a sedimentation tank and a heating liquid storage tank to be used as a construction early strength agent, wherein Ca (OH)2The solution can be added at any time according to the test conditions.
From above, after the furnace flue gas is purified by the flue gas purification device, the flue gas emission can reach the secondary air standard, the structure is simple, the flue gas purification effect is good,and meanwhile, industrial CO can be purified in the product after the flue gas purification2And the rest precipitate is used as the building early strength agent. Not only protects the environment, but also utilizes the waste.
Drawings
The attached drawing is the structure schematic diagram of the utility model.
Detailed Description
The kiln gas cleaning device shown in the attached figure is provided with a flue 2 communicated with a kiln 1, a draft fan 8 is connected on a chimney 7, a closed sedimentation tank 18 is arranged between the flue 2 and the chimney 7, a gas cleaning liquid 17 is injected into the sedimentation tank 18, and the gas cleaning liquid 17 is Ca (OH)2A solution; a smoke purifier 3 is arranged above the sedimentation tank 18, the smoke purifier 3 is a smoke prevention, dust control and desulfurization purifier, and the structure of the smoke purifier adopts the structure disclosed by Chinese patent No. 99247484.1 or 03269322.2. The lower part of the flue gas purifier 3 is communicated with the flue 2, the bottom of the flue gas purifier is provided with a blow-off pipe 19 communicated with the sedimentation tank 18, and the flue 5 at the upper part of the flue gas purifier 3 is communicated with the liquid level in the sedimentation tank 18; a spraying device 4 is arranged above the inner part of the flue gas purifier 3, a liquid inlet pipe 6 of the spraying device 4 is communicated with flue gas purifying liquid 17 in a sedimentation tank 18 through a corrosion-resistant pump 20, and an air inlet pipe of an induced draft fan 8 is inserted into the sedimentThe tank 18 is placed above the flue gas cleaning liquid 17. The sedimentation tank 18 is provided with a corrosion-resistant liquid suction pump 9 communicated with the mixed liquid of the sedimentation tank, and the mixed liquid is mainly CaHCO3The solution and the corrosion-resistant liquid suction pump 9 are communicated to a heating liquid storage tank 10, a slag discharge port 15 is arranged on the liquid storage tank 10, the liquid storage tank 10 is communicated with a gas storage tank 12 through a booster pump 13, and a gas outlet pipe 14 connected with canning equipment is arranged on the gas storage tank 12. The heating liquid storage tank 10 can be carried out by a mode of a back-burning boiler, or steam with the temperature of more than 200 ℃ can be introduced through a steam pipe 11 for heating, so that CaHCO is enabled3Decomposition of the solution to produce CO2A slag outlet 16 is provided at the lower side of the sedimentation tank 18.
The utility model discloses a flue gas is got rid of by the chimney behind the sedimentation tank through flue gas purifier flows through, and the flue gas produces following chemical reaction in flue gas purifier and sedimentation tank:
CaHCO3the solution is decomposed to generate CO after entering a heating liquid storage tank2The gas is pumped into a gas storage tank by a booster pump, and subjected to temperature reduction and purification, so that secondary industrial application is performed.
Claims (3)
1. A furnace flue gas purification device comprises a flue (2) communicated with a furnace (1) and a chimney (7) provided with an induced draft fan (8), and is characterized in thata closed sedimentation tank (18) is arranged between the flue (2) and the chimney (7), and flue gas purification liquid (17) is injected into the sedimentation tank (18); a smoke purifier (3) is arranged above the sedimentation tank (18), the lower part of the smoke purifier (3) is communicated with the flue (2), the bottom of the smoke purifier is provided with a blow-off pipe (19) leading to the sedimentation tank (18), and the flue (5) at the upper part of the smoke purifier (3) is introduced into the liquid level in the sedimentation tank (18); a spraying device (4) is arranged above the interior of the flue gas purifier (3), a liquid inlet pipe (6) of the spraying device (4) is communicated with flue gas purifying liquid (17) in a sedimentation tank (18) through a corrosion-resistant pump (20), and an air inlet pipe of a draught fan (8) is inserted into the sedimentation tank (18) and is arranged on the flue gas purifying liquid (17).
2. The furnace flue gas purification device according to claim 1, wherein the sedimentation tank (18) is provided with a corrosion-resistant liquid suction pump (9) communicated with the mixed liquid thereof, the corrosion-resistant liquid suction pump (9) is communicated with the heating liquid storage tank (10), the liquid storage tank (10) is provided with a slag discharge port (15), and the liquid storage tank (10) is communicated with the gas storage tank (12) through a pressure pump (13).
3. The flue gas cleaning apparatus for furnaces and kilns according to claim 1, characterised in that the lower lateral portion of the sedimentation basin (18) is provided with a slag outlet (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520083059 CN2814296Y (en) | 2005-05-12 | 2005-05-12 | Furnace smoke gas purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520083059 CN2814296Y (en) | 2005-05-12 | 2005-05-12 | Furnace smoke gas purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2814296Y true CN2814296Y (en) | 2006-09-06 |
Family
ID=36949383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520083059 Expired - Fee Related CN2814296Y (en) | 2005-05-12 | 2005-05-12 | Furnace smoke gas purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2814296Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356116A (en) * | 2017-08-29 | 2017-11-17 | 广西容县顺垚仿古建陶有限公司 | A kind of ancient architecture blue bricks fires the blower unit of kiln |
-
2005
- 2005-05-12 CN CN 200520083059 patent/CN2814296Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356116A (en) * | 2017-08-29 | 2017-11-17 | 广西容县顺垚仿古建陶有限公司 | A kind of ancient architecture blue bricks fires the blower unit of kiln |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |