CN210905657U - High-voltage electric field decomposition and purification tower for waste gas treatment - Google Patents
High-voltage electric field decomposition and purification tower for waste gas treatment Download PDFInfo
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- CN210905657U CN210905657U CN201921072583.3U CN201921072583U CN210905657U CN 210905657 U CN210905657 U CN 210905657U CN 201921072583 U CN201921072583 U CN 201921072583U CN 210905657 U CN210905657 U CN 210905657U
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- 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
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Abstract
The utility model discloses a high-voltage electric field decomposition and purification tower for waste gas treatment, which comprises a tower body, an induced air fan, a spraying area, a packing area, a clear water spraying area, a demisting area, a high-voltage electric field decomposition area, a cleaning area, an air outlet pipe, a water tank, a submerged pump, a guardrail platform, a clear water pump and a clear water tank, one side of the lower end of the tower body is provided with an induced draft fan, the other side is provided with a water tank, the outside of the water tank is provided with a submerged pump, the spraying area is arranged in the tower body above the induced draft fan and close to the bottom end, the filling area, the clear water spraying area, the demisting area, the high-voltage electric field decomposition area and the cleaning area are sequentially arranged in the tower body above the spraying area, cat ladder and guardrail platform be independent steel construction and set up at the tower body all manhole positions, tower body top install out the tuber pipe, guardrail platform below is located the tower body side-mounting and is had the cat ladder. The utility model has the advantages that: low cost, thorough treatment, convenient installation and convenient maintenance and reconstruction.
Description
Technical Field
The utility model belongs to the technical field of exhaust-gas treatment, especially handle the equipment that purifies foul smell or VOCs waste gas used, specifically indicate a high-voltage electric field decomposes purifying column for exhaust-gas treatment.
Background
The starch production, chemical production, textile industry, livestock and poultry innocent treatment and other industries have great significance for the development of the state and the progress of the society.
In the production processes of the industries such as starch production, chemical production, textile, livestock and poultry innocent treatment and the like, stink or VOCs waste gas is inevitably generated, thereby causing huge pollution to the environment.
The treatment modes adopted at present comprise an RTO combustion method, a UV photolysis method, a biological treatment method and the like; the RTO combustion method can produce secondary pollutants by treating the gas, and cannot thoroughly purify the gas; the UV photolysis method has unstable treatment effect and short service life; the biological treatment method has high environmental requirements and unstable effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem, and provides a high-voltage electric field decomposition and purification tower for waste gas treatment.
In order to solve the technical problem, the utility model provides a technical scheme does: a high-voltage electric field decomposition and purification tower for waste gas treatment comprises a tower body, an induced draft fan, a spraying area, a filling area, a clear water spraying area, a demisting area, a high-voltage electric field decomposition area, a cleaning area, an air outlet pipe, a water tank, an underwater pump, a ladder stand, a guardrail platform, a clear water pump and a clear water tank, one side of the lower end of the tower body is provided with an induced draft fan, the other side is provided with a water tank, the outside of the water tank is provided with a submerged pump, the spraying area is arranged in the tower body above the induced draft fan and close to the bottom end, the filling area, the clear water spraying area, the demisting area, the high-voltage electric field decomposition area and the cleaning area are sequentially arranged in the tower body above the spraying area, cat ladder and guardrail platform be independent steel construction and set up at the tower body all manhole positions, tower body top install out the tuber pipe, guardrail platform below is located the tower body side-mounting and is had the cat ladder.
As an improvement, the spraying area is sequentially provided with spraying pipes from bottom to top, one end of each spraying pipe is connected with the submerged pump through a spraying water supply pipe, the spraying pipes are provided with spiral nozzles, the number of the spiral nozzles is calculated according to the waste gas air volume and the components according to the liquid-gas ratio, and the spraying pipes are arranged in two layers in a staggered mode.
As an improvement, the filling area is filled with a filling material suitable for the survival of strains in the starch industry.
As an improvement, a clear water spray pipe and a water diversion plate are sequentially installed in the clear water spray area from bottom to top, one end of the clear water spray pipe is connected with a submerged pump through a clear water supply pipe, clear water flows into a clear water tank through a water outlet pipe in an isolated mode through the water diversion plate, and the clear water spray pipe is divided into an upper layer and a lower layer.
As an improvement, the demisting area is internally provided with a folded plate demister from bottom to top in sequence, the folded plate demister is uniformly arranged in the tower body, and the visible working conditions can be removed.
As the improvement, high-tension electric field decomposition area include negative pole frame, anode tube, negative pole line and insulator mechanism, the negative pole frame install and be close to the top position in the tower body is inside, negative pole frame bottom install multiunit negative pole line, a set of anode tube that is located on the tower body is installed to the periphery of every group negative pole line, insulator mechanism mostly be ceramic member.
As an improvement, the cleaning area in be equipped with the scavenge pipe, the one end of scavenge pipe install the inlet tube of being connected with outside clean water pond, inlet tube connect clean water pump, the scavenge pipe on install multiunit spiral nozzle.
Compared with the prior art, the utility model the advantage lie in: the high-voltage electric field decomposition and purification tower for waste gas treatment has low comprehensive cost, and the operation cost is less than half of that of other methods; the high-voltage electric field decomposition and purification tower has a thorough treatment effect on the malodorous or VOCs waste gas, and the treatment result is far superior to the national standard; the high-voltage electric field decomposition and purification tower has compact structure, convenient installation and convenient maintenance and reconstruction; is beneficial to rapid construction and convenient for popularization; the spray liquid has the advantages of low cost, good reaction effect and recyclable spray liquid.
Drawings
Fig. 1 is a schematic structural diagram of a high-voltage electric field decomposition and purification tower for waste gas treatment of the present invention.
Fig. 2 is a schematic view of the directions of the waste gas, the spraying liquid and the cleaning liquid in the high-voltage electric field decomposition and purification tower for waste gas treatment of the present invention.
As shown in the figure: 1. the device comprises a tower body, 2, an induced draft fan, 3, a spraying area, 31, a spraying water supply pipe, 32, a spraying pipe, 4, a packing area, 41, miscellaneous wood packing, 5, a clear water spraying area, 51, a clear water supply pipe, 52, a clear water spraying pipe, 53, a water distribution plate, 54, a water return pipe, 6, a demisting area, 61, a folded plate demister, 7, a high-voltage electric field decomposition area, 71, a cathode frame, 72, an anode pipe, 73, a cathode line, 8, a cleaning area, 81, a cleaning pipe, 82, a water inlet pipe, 9, an air outlet pipe, 10, a water tank, 11, a submerged pump, 12, a guardrail platform, 13, a clear water pump, 14 and a clear water tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A high-voltage electric field decomposition and purification tower for waste gas treatment comprises a tower body 1, an induced draft fan 2, a spraying area 3, a packing area 4, a clean water spraying area 5, a demisting area 6, a high-voltage electric field decomposition area 7, a cleaning area 8, an air outlet pipe 9, a water tank 10, a submerged pump 11, a ladder stand, a guardrail platform 12, a clean water pump 13 and a clean water tank 14, wherein the induced draft fan 2 is installed on one side of the lower end of the tower body 1, the water tank 10 is arranged on the other side of the lower end of the tower body, the submerged pump 11 is arranged outside the water tank 10, the spraying area 3 is installed inside the tower body 1 above the induced draft fan 2 and close to the bottom end position, the packing area 4, the clean water spraying area 5, the demisting area 6, the high-voltage electric field decomposition area 7 and the cleaning area 8 are sequentially installed inside the tower body 1 above the spraying area 3, the ladder stand and the guardrail platform 12 are of an independent steel, and a ladder stand is arranged on the side surface of the tower body 1 below the guardrail platform 12.
The spraying area 3 is sequentially provided with spraying pipes 32 from bottom to top, one ends of the spraying pipes 32 are connected with the submerged pump 11 through spraying water supply pipes 31, the spraying pipes 32 are provided with spiral nozzles, the number of the spiral nozzles is calculated according to the waste gas air volume and the components according to the liquid-gas ratio, and the spraying pipes 32 are arranged in two layers in total and are installed in a staggered mode.
The filling area 4 is filled with miscellaneous wood filling 41 or filling suitable for the survival of strains in the starch industry.
The clean water spraying area 5 is sequentially provided with a clean water spraying pipe 52 and a water diversion plate 53 from bottom to top, one end of the clean water spraying pipe 52 is connected with the submerged pump 11 through a clean water supply pipe 51, the water diversion plate 53 isolates clean water to flow into the clean water tank 14 through a water outlet pipe, and the clean water spraying pipe 52 is divided into an upper layer and a lower layer.
Defogging district 6 in install folded plate defroster 61 from bottom to top in proper order, folded plate defroster 61 evenly arrange and visual operating mode gets rid of in tower body 1.
High-tension electric field decomposition area 7 include negative pole frame 71, anode tube 72, negative pole line 73 and insulator mechanism, negative pole frame 71 install at tower body 1 inside near the top position, negative pole frame 71 bottom install multiunit negative pole line 73, a set of anode tube 72 that is located on tower body 1 is installed to every group negative pole line 73's periphery, insulator mechanism mostly be ceramic member.
Wash district 8 in be equipped with the scavenge pipe 81, the one end of scavenge pipe 81 install the inlet tube 82 of being connected with outside clean water basin 14, inlet tube 82 connect clean water pump 13, scavenge pipe 81 on install multiunit spiral nozzle.
The utility model discloses a theory of operation: the treatment method of the high-voltage electric field decomposition and purification tower for waste gas treatment comprises the following steps:
step 1: the stink or VOCs waste gas is introduced into the tower body 1 by the induced draft fan 2;
step 2: the submerged pump 11 sucks clean spray liquid from the water tank 10, and the spray liquid is sprayed in the tower body 1 through the spray pipe 32;
and step 3: the spraying liquid contacts with the waste gas in the spraying area 3 to generate chemical reaction, so that harmful gases such as sulfur dioxide, hydrogen sulfide, ammonia gas and the like are purified, and the liquid generated by the reaction and the unreacted spraying liquid flow into the water tank 10 at the bottom of the tower body 1; the waste gas is subjected to a spraying reaction to complete primary treatment;
and 4, step 4: the foul smell or the VOCs waste gas is primarily decomposed by the strains through the filling area 4.
And 5: the clean water pump 13 sucks clean water from the clean water tank 14, and the clean water is sprayed in the tower body 1 through the clean water spraying pipe 52;
step 6: the waste gas contains a large amount of water mist, so that a folded plate demister 61 is arranged for saving water resources and removing redundant water vapor as pretreatment of the high-pressure ionization decomposition area 7; after passing through the spraying zone 3, the foul smell or VOCs waste gas enters the demisting zone 6 to remove water mist;
and 7: the stink or VOCs waste gas enters the high-voltage electric field decomposition area 7 for ionization decomposition.
And 8: the malodorous or VOCs waste gas after treatment and purification is directly discharged through an air outlet pipe 9;
and step 9: and the pH value of the reservoir is regularly measured, so that the pH value of the spray liquid is ensured to be within a specified range.
Step 10: the anode barrel is cleaned regularly to ensure that the electric field intensity is in a specified range. And (3) the high-voltage electric field must be closed during cleaning, and cleaning is stopped after a period of time according to working conditions. Then the high voltage electric field is started.
Preferably, the spraying liquid can be one or more of alkaline (or acidic) solutions such as Na2CO3, NaHCO3, ca (oh)2 and the like, and the liquids recovered in the steps 4, 5 and 7 can be recycled.
Preferably, for example, the SO2 gas is treated, the spraying liquid is Na2CO3 solution, and the following chemical reaction occurs in the step 3:
SO2+H2O＝H2SO3
Na2CO3+H2SO3＝Na2SO3+H2O+CO2↑
Na2SO3+SO2+H2O＝2NaHSO3
the liquid is regenerated and recovered by using quicklime water, and the reaction is as follows:
2NaHSO3+Ca(OH)2＝Na2SO3+CaSO3↓+2H2O
Na2SO3+Ca(OH)2＝NaOH+CaSO3↓
the present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (7)
1. The utility model provides a high-voltage electric field decomposes purifying column for exhaust-gas treatment which characterized in that: comprises a tower body (1), an induced draft fan (2), a spraying area (3), a packing area (4), a clear water spraying area (5), a demisting area (6), a high-voltage electric field decomposition area (7), a cleaning area (8), an air outlet pipe (9), a water tank (10), an underwater pump (11), a ladder stand, a guardrail platform (12), a clear water pump (13) and a clear water tank (14), wherein the induced draft fan (2) is installed on one side of the lower end of the tower body (1), the water tank (10) is arranged on the other side of the lower end of the tower body, the underwater pump (11) is arranged outside the water tank (10), the spraying area (3) is installed inside the tower body (1) above the induced draft fan (2) and is close to the bottom end position, the packing area (4), the clear water spraying area (5), the demisting area (6), the high-voltage electric field decomposition area (7) and the cleaning area (8), cat ladder and guardrail platform (12) be independent steel construction and set up in tower body (1) all manhole positions, tower body (1) top install out tuber pipe (9), guardrail platform (12) below is located tower body (1) side-mounting and has the cat ladder.
2. The high-voltage electric field decomposition and purification tower for exhaust gas treatment according to claim 1, wherein: the spray area (3) is provided with spray pipes (32) from bottom to top in sequence, one ends of the spray pipes (32) are connected with the submerged pump (11) through spray water supply pipes (31), spiral nozzles are arranged on the spray pipes (32), the number of the spiral nozzles needs to be calculated according to the waste gas air volume and the components according to the liquid-gas ratio, and the spray pipes (32) are arranged in a two-layer mode and are installed in a staggered mode.
3. The high-voltage electric field decomposition and purification tower for exhaust gas treatment according to claim 1, wherein: the filling area (4) is filled with miscellaneous wood filling (41) or filling suitable for the survival of strains in the starch industry.
4. The high-voltage electric field decomposition and purification tower for exhaust gas treatment according to claim 1, wherein: clear water spray district (5) from bottom to top installs clear water shower (52) and distributive plate (53) in proper order, clear water shower (52) one end pass through clear water delivery pipe (51) and be connected with submerged pump (11), distributive plate (53) keep apart clear water through the outlet pipe and flow into clear water basin (14), clear water shower (52) upper and lower two-layer.
5. The high-voltage electric field decomposition and purification tower for exhaust gas treatment according to claim 1, wherein: the demisting area (6) is internally provided with a folded plate demister (61) from bottom to top in sequence, and the folded plate demister (61) is uniformly arranged in the tower body (1) and can be removed under visible working conditions.
6. The high-voltage electric field decomposition and purification tower for exhaust gas treatment according to claim 1, wherein: high-voltage electric field decomposition area (7) including negative pole frame (71), anode tube (72), negative pole line (73) and insulator mechanism, negative pole frame (71) install and be close to the top position in tower body (1) inside, negative pole frame (71) bottom install multiunit negative pole line (73), a set of anode tube (72) that are located on tower body (1) are installed to the periphery of every group negative pole line (73), insulator mechanism mostly be ceramic member.
7. The high-voltage electric field decomposition and purification tower for exhaust gas treatment according to claim 1, wherein: wash district (8) in be equipped with scavenge pipe (81), the one end of scavenge pipe (81) install inlet tube (82) of being connected with outside clean water basin (14), inlet tube (82) connect clarified water pump (13), scavenge pipe (81) on install multiunit spiral nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921072583.3U CN210905657U (en) | 2019-07-10 | 2019-07-10 | High-voltage electric field decomposition and purification tower for waste gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921072583.3U CN210905657U (en) | 2019-07-10 | 2019-07-10 | High-voltage electric field decomposition and purification tower for waste gas treatment |
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| Publication Number | Publication Date |
|---|---|
| CN210905657U true CN210905657U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921072583.3U Active CN210905657U (en) | 2019-07-10 | 2019-07-10 | High-voltage electric field decomposition and purification tower for waste gas treatment |
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| CN (1) | CN210905657U (en) |
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- 2019-07-10 CN CN201921072583.3U patent/CN210905657U/en active Active
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