CN210434276U - Waste gas absorption and treatment device for smelting plant - Google Patents
Waste gas absorption and treatment device for smelting plant Download PDFInfo
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- CN210434276U CN210434276U CN201920896342.4U CN201920896342U CN210434276U CN 210434276 U CN210434276 U CN 210434276U CN 201920896342 U CN201920896342 U CN 201920896342U CN 210434276 U CN210434276 U CN 210434276U
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Abstract
The utility model discloses a waste gas absorption treatment device for a smelting factory building, which comprises an air suction pump and a liquid storage tank, the liquid storage pool is internally provided with an absorbent for absorbing nitrogen oxides in the waste gas, and also comprises a mixing box, an ozone generating device and a fan, the suction pump conveys the waste gas containing the nitrogen oxides into the mixing box, the fan conveys the ozone generated by the ozone generating device to the mixing box, the nitrogen oxide and the ozone are mixed in the mixing box, the oxidation rate of the nitrogen oxide can be effectively improved through the high oxidation action of the ozone, so that the oxidation rate of the nitrogen oxide in the absorbent entering the liquid storage tank is increased, the absorption and removal efficiency of the nitrogen oxides in the smelting plant waste gas by the absorbent in the liquid storage tank is improved, so that the treatment level of the smelter on the nitrogen oxides in the waste gas can reach the national standard.
Description
Technical Field
The utility model relates to a waste gas treatment device field specifically is a smelt waste gas absorption processing apparatus for factory building.
Background
In various metal smelting processes, exhaust gas containing a large amount of nitrogen oxides is generated, and the exhaust gas has strong pungent smell, high toxicity and serious pollution to air. Most smelting plants treat waste gas containing nitrogen oxides by using a liquid absorption method, but the effect is poor, and the treatment level of the nitrogen oxides in the waste gas in most smelting plants cannot meet the national standard along with the increasingly strict national requirement on environmental protection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a smelt waste gas absorption processing apparatus for factory building aims at improving the problem that current smelting plant can not reach the national requirement standard to the processing level of the nitrogen oxide in the waste gas.
The utility model discloses a realize like this: the utility model provides a smelt waste gas absorption processing apparatus for factory building, deposits the pond including aspirator pump and liquid, place the absorbent that is arranged in absorbing nitrogen oxide in the waste gas in the liquid deposits the pond, still include mixing box, ozone generating device and fan, the mixing box is provided with two air inlets and a gas outlet, the gas outlet of aspirator pump is linked together with an air inlet of mixing box, ozone generating device's gas outlet links to each other through the air inlet of first trachea with the fan, the gas outlet of fan is linked together through another air inlet of second trachea with the mixing box, the export of mixing box is carried the absorbent in the pond to liquid storage through the gas pipeline in with the mixing box.
Furthermore, the air outlet of the air suction pump is connected with a dryer through a third air pipe, the dryer is provided with an air inlet and an air outlet, the air inlet of the dryer is connected with the third air pipe, and the air outlet of the dryer is connected with the air inlet of the mixing box through a fourth air pipe.
Further, the dryer comprises a rectangular box body, a ventilating partition plate and a drying agent, an air inlet and an air outlet of the dryer are respectively formed in the left side wall and the right side wall of the rectangular box body, a notch structure is arranged on the upper end wall of the rectangular box body, threaded holes are formed in the periphery of the outer side of the notch structure, a cover plate is installed on the upper end wall of the rectangular box body at the notch structure through bolts, and a sealing gasket is arranged between the cover plate and the upper end wall of the rectangular box body; the air-permeable partition board is provided with a plurality of air-permeable holes, the air-permeable partition boards are vertically arranged in the rectangular box body, an inner cavity in the rectangular box body is divided into a plurality of independent cavities, and a drying agent is arranged in each independent cavity.
Further, the gas outlet of the mixing box is connected with an ejector through a fifth gas pipe, the gas inlet of the ejector is connected with the fifth gas pipe, the gas outlet of the ejector inputs gas entering from the mixing box into the absorbent in the liquid storage pool through a pipeline, the negative pressure suction port of the ejector is connected to the side wall of the second gas pipe through a sixth gas pipe, and the sixth gas pipe is communicated with the inside of the second gas pipe.
Further, the air outlet of the ejector is connected with the S-shaped pipe box through a seventh air pipe, multiple S-shaped air pipes are arranged in the S-shaped pipe box, the seventh air pipe is connected with the air inlet ends of the multiple S-shaped air pipes, the air outlet ends of the multiple S-shaped air pipes are connected with an eighth air pipe, and one end, far away from the multiple S-shaped air pipes, of the eighth air pipe is inserted into the absorbent in the liquid storage pool.
Furthermore, be provided with the air diffusing plate in the liquid storage tank, the air diffusing plate is hollow structure, and the middle part of its up end is provided with the air inlet, the one end that eighth trachea inserted in the liquid storage tank links to each other with the air inlet of air diffusing plate, it has the micropore of giving vent to anger to distribute all over to be located the outside of air inlet on the air diffusing plate up end.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses
1. Set up the aspirator pump, the pond is deposited to liquid, there is the mixing box, fan and ozone generator, the aspirator pump will contain nitrogen oxide's waste gas and carry to the mixing box, the ozone that the fan produced ozone generating device is carried to the mixing box in, nitrogen oxide and ozone mix in the mixing box, high oxidation through ozone, can effectively promote nitrogen oxide's oxidation rate, make the oxidation rate of nitrogen oxide in the absorbent that gets into in the liquid deposit pond increase, then absorbent in the liquid deposit pond is to the absorption of nitrogen oxide in the smelting plant waste gas and is got rid of efficiency and can improve, make the smelting plant can reach the standard that the country required to the treatment level of nitrogen oxide in the waste gas.
2. The ejector is arranged, so that the nitrogen oxides and the ozone are mixed uniformly, and the oxidation effect of the ozone on the nitrogen oxides is better.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the waste gas absorption and treatment device for the smelting plant of the present invention;
FIG. 2 is a plan view of the dryer of the waste gas absorption and treatment device for a smelting plant for removing the drying agent and the cover plate;
FIG. 3 is a schematic structural view of an S-shaped pipe box of the waste gas absorption and treatment device for the smelting plant of the present invention;
FIG. 4 is a schematic view of the three-dimensional structure of the air-diffusing plate of the waste gas absorption treatment device for the smelting plant.
In the figure: 1. a getter pump; 2. a liquid storage tank; 3. a mixing box; 4. an ozone generating device; 5. a fan; 6. a first air pipe; 7. a second air pipe; 8. a third air pipe; 9. a dryer; 10. a fourth gas pipe; 11. a rectangular box body; 1101. a notch structure; 1102. a threaded hole; 12. a breathable partition; 13. a fifth gas pipe; 14. an ejector; 15. a sixth gas pipe; 16. a seventh air duct; 17. s, a pipe box; 18. multiple S-shaped trachea; 19. an eighth gas pipe; 20. an air dispersion plate.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1, fig. 2 and fig. 3, in an embodiment of the present invention, an exhaust gas absorption treatment apparatus for a smelting plant, including an aspirator pump 1 and a liquid storage tank 2, an absorbent for absorbing nitrogen oxides in exhaust gas is placed in the liquid storage tank 2, the present invention further includes a mixing box 3, an ozone generator 4 and a fan 5, the mixing box 3 is provided with two air inlets and an air outlet, the air outlet of the aspirator pump 1 is communicated with an air inlet of the mixing box 3, the air outlet of the ozone generator 4 is connected with the air inlet of the fan 5 through a first air pipe 6, the air outlet of the fan 5 is communicated with another air inlet of the mixing box 3 through a second air pipe 7, and the outlet of the mixing box 3 conveys gas in the mixing box 3 to the absorbent in the liquid storage tank 2 through an air pipeline.
The utility model discloses a theory of operation: the absorbent in the liquid storage tank 2 can be selected from water, alkaline solution, acidic urea solution, ammonia water and the like, and no matter what absorbent is used, the absorption and removal efficiency of the absorbent on nitrogen oxides is increased along with the reduction of the volume fraction of the nitrogen oxides, namely, the higher the oxidation rate of the nitrogen oxides is, the better the absorption effect of the absorbent on the nitrogen oxides is; the waste gas that aspirator pump 1 will contain nitrogen oxide carries to mixing box 3 in, fan 5 carries the ozone that ozone generating device 4 produced to mixing box 3 in, nitrogen oxide and ozone mix in mixing box 3, high oxidation through ozone, can effectively promote the oxidation rate of nitrogen oxide, make the oxidation rate of the nitrogen oxide in the absorbent that gets into in liquid storage tank 2 increase, then the absorbent in the liquid storage tank 2 is to the absorption removal efficiency of the nitrogen oxide in the smeltery waste gas and can be improved, make the smeltery can reach the standard that the country required to the treatment level of the nitrogen oxide in the waste gas.
Referring to fig. 1, in the embodiment of the present invention, the gas outlet of the getter pump 1 is connected to a dryer 9 through a third gas pipe 8, the dryer 9 is provided with a gas inlet and a gas outlet, the gas inlet is connected to the third gas pipe 8, and the gas outlet is connected to the gas inlet of the mixing box 3 through a fourth gas pipe 10; the dryer 9 is used to reduce the water content in the exhaust gas so that the ozone has a better effect of oxidizing nitrogen oxides.
Referring to fig. 1 and 2, in the embodiment of the present invention, the dryer 9 includes a rectangular box 11, a ventilation partition 12 and a drying agent, an air inlet and an air outlet of the dryer 9 are respectively disposed on a left side wall and a right side wall of the rectangular box 11, a notch structure 1101 is disposed on an upper end wall of the rectangular box 11, threaded holes 1102 are disposed around an outer side of the notch structure 1101, a cover plate is mounted on the upper end wall of the rectangular box 11 at the notch structure 1101 by bolts, and a sealing gasket is disposed between the cover plate and the upper end wall of the rectangular box 11; the ventilating partition plates 12 are distributed with ventilating holes, a plurality of ventilating partition plates 12 are arranged on the ventilating partition plates 12, the ventilating partition plates 12 are vertically arranged in the rectangular box body 11, an inner cavity in the rectangular box body 11 is divided into a plurality of independent cavities, and a drying agent is arranged in each independent cavity; the drier uses a bagged drier, and the cover plate 12 is opened, so that the bagged drier can be conveniently replaced, and the drier 9 has the advantage of convenient replacement of the drier.
Referring to fig. 1, in the embodiment of the present invention, the gas outlet of the mixing box 3 is connected to an ejector 14 through a fifth gas pipe 13, the gas inlet of the ejector 14 is connected to the fifth gas pipe 13, the gas outlet of the ejector 14 inputs the gas entering from the mixing box 3 into the absorbent in the liquid storage tank 2 through a pipeline, the negative pressure suction port of the ejector 14 is connected to the side wall of the second gas pipe 7 through a sixth gas pipe 15, and the sixth gas pipe 15 is communicated with the inside of the second gas pipe 7; the mixed gas in the mixing box 3 enters the ejector 14 through the air inlet of the ejector 14, the mixed gas containing ozone in the second air pipe 7 enters the ejector through the negative pressure air suction port of the ejector 14, and the two mixed gases are mixed violently in the ejector 14, so that the nitrogen oxide and the ozone are mixed violently and uniformly, and the oxidation effect of the ozone on the nitrogen oxide is better.
Referring to fig. 1 and 3, in the embodiment of the present invention, the gas outlet of the ejector 14 is connected to the S-tube box 17 through the seventh gas tube 16, the S-tube box 17 is provided with multiple S-shaped gas tubes 18, the seventh gas tube 16 is connected to the gas inlet end of the multiple S-shaped gas tubes 18, the gas outlet end of the multiple S-shaped gas tubes 18 is connected to the eighth gas tube 19, and the end of the eighth gas tube 19 away from the multiple S-shaped gas tubes 18 is inserted into the absorbent in the liquid storage tank 2; the mixed gas discharged from the gas outlet of the ejector 14 enters the multiple S-shaped gas pipe 18 and then enters the absorbent in the liquid storage tank 2 through the multiple S-shaped gas pipe 18, the time for mixing ozone and nitrogen oxides is prolonged due to the multiple S-shaped gas pipe 18, and the oxidation rate of ozone to nitrogen oxides is improved.
Referring to fig. 1 and 4, in the embodiment of the present invention, an air diffusing plate 20 is disposed in the liquid storage tank 2, the air diffusing plate 20 is a hollow structure, and an air inlet is disposed in the middle of the upper end surface thereof, one end of the eighth air pipe 19 inserted into the liquid storage tank 2 is connected to the air inlet of the air diffusing plate 20, and air outlet micropores 2001 are disposed on the upper end surface of the air diffusing plate 20 and located outside the air inlet; the mixed gas in the eighth gas pipe 19 enters the cavity of the gas diffusion disc 20 from the gas inlet of the gas diffusion disc 20 and is then discharged from the gas outlet micropores 2001, so that the contact area of the mixed gas and the absorbent is increased, and the absorption and removal rate of the absorbent on nitrogen oxides is enhanced.
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 (6)
1. A waste gas absorption treatment device for a smelting factory building comprises an air suction pump (1) and a liquid storage pool (2), an absorbent for absorbing nitrogen oxides in the waste gas is arranged in the liquid storage tank (2), it is characterized by also comprising a mixing box (3), an ozone generating device (4) and a fan (5), the mixing box (3) is provided with two air inlets and an air outlet, the air outlet of the air suction pump (1) is communicated with one air inlet of the mixing box (3), the air outlet of the ozone generating device (4) is connected with the air inlet of the fan (5) through a first air pipe (6), the air outlet of the fan (5) is communicated with the other air inlet of the mixing box (3) through a second air pipe (7), the outlet of the mixing tank (3) conveys the gas in the mixing tank (3) to the absorbent in the liquid storage pool (2) through a gas pipeline.
2. The waste gas absorption and treatment device for the smelting plant according to claim 1, wherein the gas outlet of the getter pump (1) is connected with a dryer (9) through a third gas pipe (8), the dryer (9) is provided with a gas inlet and a gas outlet, the gas inlet is connected with the third gas pipe (8), and the gas outlet is connected with the gas inlet of the mixing box (3) through a fourth gas pipe (10).
3. The waste gas absorption and treatment device for the smelting plant according to claim 2, wherein the dryer (9) comprises a rectangular box body (11), a ventilating partition plate (12) and a drying agent, the left side wall and the right side wall of the rectangular box body (11) are respectively provided with an air inlet and an air outlet of the dryer (9), the upper end wall of the rectangular box body (11) is provided with a notch structure (1101), the periphery of the outer side of the notch structure (1101) is provided with a threaded hole (1102), the upper end wall of the rectangular box body (11) is provided with a cover plate at the notch structure (1101) through a bolt, and a sealing gasket is arranged between the cover plate and the upper end wall of the rectangular box body (11); the air-permeable partition board is characterized in that air holes are distributed on the air-permeable partition board (12), the air-permeable partition board (12) is provided with a plurality of air holes, the air-permeable partition board (12) is vertically arranged in the rectangular box body (11), an inner cavity in the rectangular box body (11) is divided into a plurality of independent cavities, and a drying agent is arranged in each independent cavity.
4. The waste gas absorption and treatment device for the smelting plant as claimed in claim 1, wherein the gas outlet of the mixing box (3) is connected with a jet device (14) through a fifth gas pipe (13), the gas inlet of the jet device (14) is connected with the fifth gas pipe (13), the gas outlet of the jet device (14) inputs the gas entering from the mixing box (3) into the absorbent in the liquid storage tank (2) through a pipeline, the negative pressure suction port of the jet device (14) is connected to the side wall of the second gas pipe (7) through a sixth gas pipe (15), and the sixth gas pipe (15) is communicated with the inside of the second gas pipe (7).
5. The waste gas absorption and treatment device for the smelting plant according to claim 4, wherein the gas outlet of the ejector (14) is connected with an S-shaped pipe box (17) through a seventh gas pipe (16), a multiple S-shaped gas pipe (18) is arranged in the S-shaped pipe box (17), the seventh gas pipe (16) is connected with the gas inlet end of the multiple S-shaped gas pipe (18), the gas outlet end of the multiple S-shaped gas pipe (18) is connected with an eighth gas pipe (19), and one end, far away from the multiple S-shaped gas pipe (18), of the eighth gas pipe (19) is inserted into the absorbent in the liquid storage tank (2).
6. The waste gas absorption and treatment device for the smelting plant as claimed in claim 5, wherein a gas diffusion disc (20) is arranged in the liquid storage pool (2), the gas diffusion disc (20) is of a hollow structure, an air inlet is arranged in the middle of the upper end face of the gas diffusion disc, one end of the eighth gas pipe (19) inserted into the liquid storage pool (2) is connected with the air inlet of the gas diffusion disc (20), and gas outlet micropores (2001) are distributed on the outer side of the air inlet on the upper end face of the gas diffusion disc (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920896342.4U CN210434276U (en) | 2019-06-14 | 2019-06-14 | Waste gas absorption and treatment device for smelting plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920896342.4U CN210434276U (en) | 2019-06-14 | 2019-06-14 | Waste gas absorption and treatment device for smelting plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210434276U true CN210434276U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920896342.4U Active CN210434276U (en) | 2019-06-14 | 2019-06-14 | Waste gas absorption and treatment device for smelting plant |
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|---|---|
| CN (1) | CN210434276U (en) |
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- 2019-06-14 CN CN201920896342.4U patent/CN210434276U/en active Active
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