CN114307506A - Tail gas processing apparatus for chemical industry coking - Google Patents
Tail gas processing apparatus for chemical industry coking Download PDFInfo
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- CN114307506A CN114307506A CN202210037775.0A CN202210037775A CN114307506A CN 114307506 A CN114307506 A CN 114307506A CN 202210037775 A CN202210037775 A CN 202210037775A CN 114307506 A CN114307506 A CN 114307506A
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Abstract
The invention relates to the technical field of chemical tail gas treatment, and discloses a tail gas treatment device for chemical coking. The invention conducts the coking tail gas through the dust filtering mechanism in the flue gas air duct, has a multi-channel conduction function, can improve the conduction amount of the tail gas, can ensure the comprehensiveness of tail gas filtering and purifying, and can directionally guide the tail gas through the flue gas guide mechanism in the guide air duct after the filtering and purifying are finished, so that the tail gas can be directionally discharged under the outward dispersion of the inward and outward dispersion guide mechanisms of the spray air duct, and the spray heads can be aligned to perform comprehensive spray washing work.
Description
Technical Field
The invention relates to the technical field of chemical tail gas treatment, in particular to a tail gas treatment device for chemical coking.
Background
The coking chemical industry is an important part of the coal chemical industry, the main processing methods of the coal comprise three methods of high-temperature coking, medium-temperature coking, low-temperature coking and the like, the metallurgical industry generally adopts the high-temperature coking to obtain coke and recover chemical products, the product coke can be used as fuel for blast furnace smelting, and can also be used for casting, nonferrous metal smelting and water gas manufacturing, the method can be used for manufacturing producer gas for producing synthetic ammonia and can also be used for manufacturing calcium carbide to obtain raw materials of organic synthesis industry, the coking mainly comprises five process procedures of delayed coking, kettle coking, open-hearth coking, fluid coking, flexible coking and the like, however, no matter which process is adopted, tail gas is generated by coking, the tail gas contains various impurity particles and harmful gases, the atmosphere environment is polluted by directly discharging the tail gas, therefore, the tail gas needs to be purified, and usually, the tail gas is washed and purified in a washing tower.
The washing tower device that current chemical industry coking tail gas treatment used is in the use, and its conduction volume to tail gas is general less, and filtration, purification scope are limited, and the treatment effeciency is lower, and when carrying out washing work, its washing purifies incomprehensiblely, can't carry out comprehensive washing purification work to tail gas. Therefore, the technical personnel in the field provide a tail gas treatment device for chemical coking to solve the problems in the background technology.
Disclosure of Invention
The invention aims to provide a tail gas treatment device for chemical coking, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a tail gas processing apparatus for chemical industry coking, includes the scrubbing tower, the scrubbing tower below is located corner position department symmetry and is provided with the support foot rest, and the scrubbing tower from supreme sewage of having set gradually down strains a section of thick bamboo, flue gas dryer, water conservancy diversion dryer, the dryer sprays, the packing layer has been placed to the inboard that sewage was strained a section of thick bamboo, the inboard of flue gas dryer is provided with dust filter mechanism, the inboard of water conservancy diversion dryer is provided with flue gas water conservancy diversion mechanism, the inboard that sprays the dryer is located bottom position department and is provided with outer water conservancy diversion mechanism that looses, and the inboard that sprays the dryer is located middle part position department and is provided with the spray ring pipe, the below symmetric connection of spray ring pipe has the shower head, the inboard that sprays the dryer is located top position department and is provided with negative pressure fan.
As a still further scheme of the invention: the dust filtering mechanism comprises a sealing barrel, an upper end cover is arranged at the position of an upper port of the sealing barrel, a lower end cover is arranged at the position of a lower port of the sealing barrel, an air inlet pipe orifice is formed in the middle of the lower end cover in a penetrating mode, an air inlet of the air inlet pipe orifice is connected with a flue gas air pipe, a diversion air duct A is symmetrically formed in the position, located at the rear side, of the inner wall of the sealing barrel, a diversion air duct B is symmetrically formed in the position, located at the front side, of the inner wall of the sealing barrel, an air exhaust pipe orifice A is symmetrically formed in the end face of the diversion air duct A in a penetrating mode, an air exhaust pipe orifice B is symmetrically formed in the end face of the sealing barrel in a penetrating mode, a filter screen barrel, an adsorption screen barrel and a purification screen barrel are sequentially arranged from inside to outside in the cavity of the sealing barrel, and a conduction cavity is formed in the inner side of the filter screen barrel.
As a still further scheme of the invention: the number of the guide air grooves A and the guide air grooves B is not less than four, and the guide air grooves A and the guide air grooves B are symmetrically arranged in a staggered manner in the forward direction and the reverse direction.
As a still further scheme of the invention: the filter screen cylinder, the adsorption screen cylinder and the purification screen cylinder are all of cylindrical structures, the filter screen cylinder is a stainless steel filter screen, the adsorption screen cylinder is an HEPA (high efficiency particulate air) screen, and the purification screen cylinder is an activated carbon screen.
As a still further scheme of the invention: flue gas water conservancy diversion mechanism includes the toper tuber pipe, the exhaust mouth of pipe has been seted up to the upper portion port position department of toper tuber pipe, and the terminal surface of toper tuber pipe is located the symmetry of border position department and has seted up the earial drainage opening, the upper portion port position department block of earial drainage opening has the sealing plug, and the lower part port position department of earial drainage opening is provided with compression spring, compression spring is provided with the direction pull rod to the bottom of sealing plug through, and the top of sealing plug is connected with the haulage rope, the top of haulage rope is connected with the buoyancy ball.
As a still further scheme of the invention: the outer diameter of the sealing plug is matched with the inner diameter of the port of the discharge port, the sealing plug and the discharge port are elastically clamped through the guide pull rod and the compression spring, and the tensile strength of the compression spring is smaller than that of the buoyancy ball.
As a still further scheme of the invention: the outer scattering flow guide mechanism comprises an outer scattering cone, a triangular support is arranged above the outer scattering cone, and flow guide grooves are symmetrically formed in the outer side of the outer scattering cone.
As a still further scheme of the invention: the flow guide grooves are of annular structures, the number of the flow guide grooves is not less than four groups, and the spacing distances among the flow guide grooves are the same.
As a still further scheme of the invention: the number of the spray heads is not less than eight, the spray heads are arranged in an annular symmetrical mode relative to the circle center of the spray ring pipe, a water inlet of the spray ring pipe is connected with a spray header, and the spray heads are located at positions right above the interval between the external scattering flow guide mechanism and the spray air duct.
As a still further scheme of the invention: the bottom of the sewage filter cylinder is provided with a drainage pipe opening, and the sewage filter cylinder is of a conical structure.
Compared with the prior art, the invention has the beneficial effects that:
the invention conducts the coking tail gas through the dust filtering mechanism in the flue gas air duct, has a multi-channel conduction function, can improve the conduction quantity of the tail gas, can ensure the comprehensiveness of tail gas filtering and purifying, ensures that the tail gas keeps high-efficiency, circulation operation and filtering and purifying functions, further improves the comprehensiveness of tail gas filtering and purifying, and can ensure that the tail gas is directionally guided by the flue gas guiding mechanism in the guiding air duct after the filtering and purifying are finished, so that the tail gas can be directionally discharged under the outward dispersion of the inward and outward dispersion guiding mechanisms of the spraying air duct, and the spraying heads are aligned to carry out comprehensive spraying and washing work.
Drawings
FIG. 1 is a schematic structural diagram of a tail gas treatment device for chemical coking;
FIG. 2 is a schematic structural diagram of the interior of a tail gas treatment device for chemical coking;
FIG. 3 is a schematic structural diagram of a dust filtering mechanism in a tail gas treatment device for chemical coking;
FIG. 4 is a schematic structural diagram of a flue gas flow guide mechanism in a tail gas treatment device for chemical coking;
fig. 5 is a schematic structural diagram of an external diversion mechanism in a tail gas treatment device for chemical coking.
In the figure: 1. a washing tower; 2. a supporting foot rest; 3. a flue gas duct; 4. a spray header; 5. a sewage filter cartridge; 6. a flue gas duct; 7. a guide air duct; 8. a spray air duct; 9. a filler layer; 10. a drain pipe orifice; 11. a dust filtering mechanism; 111. a sealing cylinder; 112. a diversion air duct A; 113. an air exhaust pipe orifice A; 114. an air exhaust pipe orifice B; 115. a diversion air duct B; 116. a lower end cover; 117. an air inlet pipe orifice; 118. a purification net cylinder; 119. an adsorption net cylinder; 1110. a filter screen cylinder; 1111. conducting the chamber; 1112. an upper end cover; 12. a flue gas diversion mechanism; 121. a tapered air duct; 122. an exhaust pipe orifice; 123. a buoyant ball; 124. a hauling rope; 125. a sealing plug; 126. a vent port; 127. a compression spring; 128. a guide pull rod; 13. an external dispersion flow guide mechanism; 131. an outward divergent cone; 132. a triangular bracket; 133. a diversion trench; 14. a shower head; 15. a spray ring pipe; 16. a negative pressure fan.
Detailed Description
Referring to fig. 1 to 5, in an embodiment of the present invention, an exhaust gas treatment device for chemical coking includes a washing tower 1, support legs 2 are symmetrically disposed at corners of the washing tower 1, the washing tower 1 is sequentially provided with a sewage filter cylinder 5, a flue gas air cylinder 6, a flow guide air cylinder 7, and a spray air cylinder 8 from bottom to top, a packing layer 9 is disposed inside the sewage filter cylinder 5, a drain pipe opening 10 is disposed at the bottom of the sewage filter cylinder 5, the sewage filter cylinder 5 is of a conical structure, when sewage falls into the sewage filter cylinder 5, the packing layer 9 is aligned to perform filtration and purification, and the purified sewage is circularly discharged through the drain pipe opening 10.
The inner side of the flue gas duct 6 is provided with a dust filtering mechanism 11, the dust filtering mechanism 11 comprises a sealing cylinder 111, an upper end cover 1112 is arranged at the upper port position of the sealing cylinder 111, a lower end cover 116 is arranged at the lower port position of the sealing cylinder 111, the middle part of the lower end cover 116 is provided with an air inlet pipe opening 117 in a penetrating way, the air inlet of the air inlet pipe opening 117 is connected with the flue gas duct 3, the inner wall of the sealing cylinder 111 at the rear side position is symmetrically provided with a guide air groove A112, the inner wall of the sealing cylinder 111 at the front side position is symmetrically provided with a guide air groove B115, the port of the guide air groove A112 is symmetrically provided with an exhaust pipe opening A113 through the end surface of the sealing cylinder 111, the port of the guide air groove B115 is symmetrically provided with an exhaust pipe opening B114 through the end surface of the sealing cylinder 111, the inner side of the cavity of the sealing cylinder 111 is provided with a filtering net cylinder 1110, an adsorption net 119 and a purification net 1110 from inside to outside in sequence, the inner side of the filtering cylinder net 1111 is provided with a conduction cavity, the number of the guide wind groove A112 and the guide wind groove B115 is not less than four, the guide wind groove A112 and the guide wind groove B115 are symmetrically arranged in a staggered way in the positive direction and the reverse direction, the filter screen cylinder 1110, the adsorption screen cylinder 119 and the purification screen cylinder 118 are all cylindrical structures, the filtering screen cylinder 1110 is a stainless steel screen, the adsorption screen cylinder 119 is a HEPA screen, the purification screen cylinder 118 is an active carbon screen, when the chemical coking tail gas is washed, the coking tail gas is conveyed by the blower to flow into the flue gas air pipe 3 and flow into the conducting chamber 1111 through the air inlet pipe opening 117, then the coking tail gas passes through the filter screen cylinder 1110, the adsorption screen cylinder 119 and the purification screen cylinder 118 in sequence under the action of pressure, the filtered and purified tail gas flows into the diversion air groove A112 and the diversion air groove B115, under the guiding of the multiple groups of guiding air grooves A112 and B115, the air is efficiently guided and discharged through the air exhaust pipe orifices A113 and B114.
The inner side of the guiding air duct 7 is provided with a flue gas guiding mechanism 12, the flue gas guiding mechanism 12 includes a tapered air duct 121, an exhaust pipe opening 122 is formed at the upper port position of the tapered air duct 121, and the end surface of the tapered air duct 121 is symmetrically provided with a discharge port 126 at the edge position, a sealing plug 125 is clamped at the upper port position of the discharge port 126, and a compression spring 127 is arranged at the lower port position of the discharge port 126, the bottom of the sealing plug 125 is provided with a guiding pull rod 128 by penetrating through the compression spring 127, the top of the sealing plug 125 is connected with a pulling rope 124, the top of the pulling rope 124 is connected with a buoyancy ball 123, the outer diameter of the sealing plug 125 is matched with the port inner diameter of the discharge port 126, the sealing plug 125 and the discharge port 126 are elastically clamped with the compression spring 127 by the guiding pull rod 128, the tensile strength of the compression spring 127 is smaller than that of the buoyancy ball 123, the filtered and purified tail gas flows into the guiding air duct 7, toper tuber pipe 121 carries out directional water conservancy diversion to it, make tail gas flow out by unified direction, and to tail gas water conservancy diversion in-process, the washing sprays the sewage that produces and falls into the toper tuber pipe 121 outside, when the height of sewage rises gradually, the buoyancy of sewage promotes buoyancy ball 123 and shifts up, buoyancy ball 123 moves up the in-process, pull out sealing plug 125 from earial drainage opening 126 in, make sewage through earial drainage opening 126 earial drainage downwards, when sewage earial drainage to a quantitative time, buoyancy of buoyancy ball 123 disappears, sealing plug 125 is under compression spring 127's elasticity reset promotes, move down again to from earial drainage opening 126 in, to sealing from earial drainage opening 126, make tail gas keep all the time from the interior water conservancy diversion circulation of toper tuber pipe 121.
The inboard of dryer 8 that sprays is located bottom position department and is provided with outer guiding mechanism 13 that looses, outer guiding mechanism 13 that looses is including outer circular cone 131 that looses, the top of outer circular cone 131 is provided with A-frame 132 that looses, and the outside symmetry of outer circular cone 131 has seted up guiding gutter 133, guiding gutter 133 is the loop configuration, and the quantity of guiding gutter 133 is no less than four groups, the spacing distance between guiding gutter 133 is the same, tail gas after the water conservancy diversion is discharged to the outer circular cone 131 that looses in the dryer 8 that sprays, carry out outer water conservancy diversion through outer circular cone 131 that looses, under synchronous outer circular cone 131 goes up guiding gutter 133's the indent, make tail gas outside the in-process that looses, keep the form of "smoke ring" outwards to diffuse in proper order.
A spray ring pipe 15 is arranged at the middle position of the inner side of the spray air duct 8, spray heads 14 are symmetrically connected below the spray ring pipe 15, a negative pressure fan 16 is arranged at the top position of the inner side of the spray air duct 8, the number of the spray heads 14 is not less than eight, the spray heads 14 are circularly and symmetrically arranged relative to the circle center of the spray ring pipe 15, a spray water pipe 4 is connected with a water inlet of the spray ring pipe 15, the spray heads 14 are arranged at the position right above the interval between the outer scattering flow guide mechanism 13 and the spray air duct 8, when tail gas is scattered to the interval between the outer scattering flow guide mechanism 13 and the spray air duct 8, clean water is sprayed out by the spray heads 14 under the conveying of the spray ring pipe 15, the tail gas of a smoke ring between the outer scattering flow guide mechanism 13 and the spray air duct 8 is sprayed and washed, and the washed air is exhausted outside under the negative pressure suction of the negative pressure fan 16, the washed sewage falls into the outer ring of the tapered air pipe 121 under the action of gravity.
The working principle of the invention is as follows: when the chemical coking tail gas is washed, the coking tail gas is conveyed by an air blower to flow into the flue gas air pipe 3 and flow into the conducting chamber 1111 through the air inlet pipe opening 117, then the coking tail gas sequentially passes through the filter screen cylinder 1110, the adsorption screen cylinder 119 and the purification screen cylinder 118 under the pressure effect, the filtered and purified tail gas flows into the guide air groove A112 and the guide air groove B115, the filtered and purified tail gas is efficiently guided and discharged through the air outlet pipe opening A113 and the air outlet pipe opening B114 under the guide of a plurality of groups of guide air grooves A112 and guide air grooves B115, the filtered and purified tail gas flows into the guide air cylinder 7, the conical air pipe 121 guides the tail gas in a directional way, so that the tail gas flows out from a uniform direction, the guided tail gas is discharged onto the outward scattering cone 131 in the spray air cylinder 8, the outward scattering guide is performed through the outward scattering cone 131, and the tail gas is synchronously guided under the inward concave guide grooves 133 on the outward scattering cone 131 so that the tail gas is scattered in the outward scattering process, the smoke ring is kept to be diffused outwards in sequence, when the tail gas is scattered outwards to the interval between the scattered guide mechanism 13 and the spray air cylinder 8, the clean water is sprayed out through the spray head 14 under the conveying of the spray ring pipe 15, the tail gas of the smoke ring between the scattered guide mechanism 13 and the spray air cylinder 8 is sprayed and washed, the washed air is sucked and adsorbed by the negative pressure of the negative pressure fan 16 and is discharged out of the outside, the washed sewage falls into the outer ring of the conical air pipe 121 under the action of gravity, further, in the tail gas guide process, the sewage generated by washing and spraying falls into the outer side of the conical air pipe 121, when the height of the sewage gradually rises, the buoyancy of the sewage pushes the buoyancy ball 123 to move upwards, in the upward movement process, the sealing plug 125 is pulled out from the drainage port 126, so that the sewage flows downwards through the drainage port 126, and when the sewage flows to a certain amount, buoyancy of buoyancy ball 123 disappears, and sealing plug 125 is under compression spring 127's elasticity resets and promotes, moves down again to in following earial drainage opening 126, seals from earial drainage opening 126, makes tail gas remain throughout and flows from the interior water conservancy diversion of tapered air pipe 121, and when sewage fell into inside the sewage filter cylinder 5, packing layer 9 aligns and carries out filtration purification, and the sewage after the purification passes through drain pipe mouth 10 circulation discharge.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (10)
1. A tail gas treatment device for chemical coking comprises a washing tower (1) and is characterized in that supporting foot frames (2) are symmetrically arranged at corner positions below the washing tower (1), a sewage filter cylinder (5), a flue gas air cylinder (6), a diversion air cylinder (7) and a spray air cylinder (8) are sequentially arranged on the washing tower (1) from bottom to top, a packing layer (9) is placed on the inner side of the sewage filter cylinder (5), a dust filtering mechanism (11) is arranged on the inner side of the flue gas air cylinder (6), a flue gas diversion mechanism (12) is arranged on the inner side of the diversion air cylinder (7), an external scattering diversion mechanism (13) is arranged at the bottom end position of the inner side of the spray air cylinder (8), a spray ring pipe (15) is arranged at the middle position of the inner side of the spray air cylinder (8), and spray heads (14) are symmetrically connected below the spray ring pipe (15), and a negative pressure fan (16) is arranged at the position of the top end of the inner side of the spraying air duct (8).
2. The tail gas treatment device for chemical coking according to claim 1, wherein the dust filtering mechanism (11) comprises a sealing cylinder (111), an upper end cover (1112) is arranged at the position of an upper port of the sealing cylinder (111), a lower end cover (116) is arranged at the position of a lower port of the sealing cylinder (111), an air inlet pipe orifice (117) is formed in the middle of the lower end cover (116) in a penetrating manner, an air inlet of the air inlet pipe orifice (117) is connected with the flue gas duct (3), guide air grooves A (112) are symmetrically formed in the position, located at the rear side, of the inner wall of the sealing cylinder (111), guide air grooves B (115) are symmetrically formed in the position, located at the front side, of the inner wall of the sealing cylinder (111), end faces of the guide air grooves A (112) are symmetrically formed in the position of the sealing cylinder (111), and exhaust air holes A (113) are symmetrically formed in the position, where the end faces of the guide air grooves B (115) penetrate through the sealing cylinder (111), and exhaust air holes B (114) are symmetrically formed in the position The filter screen cylinder (1110), the adsorption screen cylinder (119) and the purification screen cylinder (118) are sequentially arranged on the inner side of the cavity of the sealing cylinder (111) from inside to outside, and the communicated cavity (1111) is formed on the inner side of the cavity of the filter screen cylinder (1110).
3. The tail gas treatment device for chemical coking according to claim 2, wherein the number of the guide air grooves A (112) and the guide air grooves B (115) is not less than four, and the guide air grooves A (112) and the guide air grooves B (115) are symmetrically staggered in the forward and reverse directions.
4. The tail gas treatment device for chemical coking according to claim 2, wherein the filter screen cylinder (1110), the adsorption screen cylinder (119) and the purification screen cylinder (118) are all cylindrical structures, the filter screen cylinder (1110) is a stainless steel screen, the adsorption screen cylinder (119) is a HEPA screen, and the purification screen cylinder (118) is an activated carbon screen.
5. The tail gas treatment device for chemical coking according to claim 1, characterized in that the flue gas diversion mechanism (12) comprises a tapered air pipe (121), an exhaust pipe opening (122) is formed in the upper port position of the tapered air pipe (121), the end face of the tapered air pipe (121) is symmetrically provided with a discharge opening (126) at the edge position, a sealing plug (125) is clamped at the upper port position of the discharge opening (126), a compression spring (127) is arranged at the lower port position of the discharge opening (126), a guide pull rod (128) is arranged at the bottom of the sealing plug (125) through the compression spring (127), a traction rope (124) is connected to the top of the sealing plug (125), and a buoyancy ball (123) is connected to the top end of the traction rope (124).
6. The tail gas treatment device for chemical coking according to claim 5, characterized in that the outer diameter of the sealing plug (125) is matched with the inner diameter of the port of the vent port (126), the sealing plug (125) and the vent port (126) are elastically clamped through a guide pull rod (128) and a compression spring (127), and the tensile strength of the compression spring (127) is smaller than the buoyancy strength of the buoyancy ball (123).
7. The tail gas treatment device for chemical coking according to claim 1, wherein the outer scattering flow guide mechanism (13) comprises an outer scattering cone (131), a triangular bracket (132) is arranged above the outer scattering cone (131), and flow guide grooves (133) are symmetrically formed in the outer side of the outer scattering cone (131).
8. The tail gas treatment device for chemical coking according to claim 7, wherein the diversion trenches (133) are of an annular structure, the number of the diversion trenches (133) is not less than four, and the separation distances between the diversion trenches (133) are the same.
9. The tail gas treatment device for chemical coking according to claim 1, wherein the number of the spray headers (14) is not less than eight, the spray headers (14) are circularly and symmetrically arranged relative to the center of the spray ring pipe (15), the water inlet of the spray ring pipe (15) is connected with a spray water pipe (4), and the spray headers (14) are positioned at positions right above the interval between the outer scattering flow guide mechanism (13) and the spray air duct (8).
10. The tail gas treatment device for chemical coking according to claim 1, characterized in that a drain pipe opening (10) is formed at the bottom of the sewage filter cylinder (5), and the sewage filter cylinder (5) is of a conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037775.0A CN114307506B (en) | 2022-01-13 | 2022-01-13 | Tail gas processing apparatus for chemical industry coking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037775.0A CN114307506B (en) | 2022-01-13 | 2022-01-13 | Tail gas processing apparatus for chemical industry coking |
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| Publication Number | Publication Date |
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| CN114307506A true CN114307506A (en) | 2022-04-12 |
| CN114307506B CN114307506B (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210037775.0A Active CN114307506B (en) | 2022-01-13 | 2022-01-13 | Tail gas processing apparatus for chemical industry coking |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06254342A (en) * | 1993-03-04 | 1994-09-13 | Babcock Hitachi Kk | Dry type waste gas desulfurizer |
| CN210385369U (en) * | 2019-06-27 | 2020-04-24 | 江西泰和百盛实业有限公司 | Integrative equipment of wet-type desulfurization dust removal |
| CN111606375A (en) * | 2020-07-01 | 2020-09-01 | 福建旭辰信息科技有限公司 | Industrial wastewater floating garbage recycling, collecting and treating device |
| CN112815468A (en) * | 2020-12-31 | 2021-05-18 | 南京智付通商贸有限公司 | Air purifying device |
| CN112915715A (en) * | 2021-04-13 | 2021-06-08 | 张军 | Ultra-low emission treatment equipment for flue gas of tubular furnace |
-
2022
- 2022-01-13 CN CN202210037775.0A patent/CN114307506B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06254342A (en) * | 1993-03-04 | 1994-09-13 | Babcock Hitachi Kk | Dry type waste gas desulfurizer |
| CN210385369U (en) * | 2019-06-27 | 2020-04-24 | 江西泰和百盛实业有限公司 | Integrative equipment of wet-type desulfurization dust removal |
| CN111606375A (en) * | 2020-07-01 | 2020-09-01 | 福建旭辰信息科技有限公司 | Industrial wastewater floating garbage recycling, collecting and treating device |
| CN112815468A (en) * | 2020-12-31 | 2021-05-18 | 南京智付通商贸有限公司 | Air purifying device |
| CN112915715A (en) * | 2021-04-13 | 2021-06-08 | 张军 | Ultra-low emission treatment equipment for flue gas of tubular furnace |
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| CN114307506B (en) | 2023-01-10 |
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