CN114307506B - Tail gas processing apparatus for chemical industry coking - Google Patents
Tail gas processing apparatus for chemical industry coking Download PDFInfo
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- CN114307506B CN114307506B CN202210037775.0A CN202210037775A CN114307506B CN 114307506 B CN114307506 B CN 114307506B CN 202210037775 A CN202210037775 A CN 202210037775A CN 114307506 B CN114307506 B CN 114307506B
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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, casting, non-ferrous metal smelting, water gas production, producer gas for producing synthetic ammonia and calcium carbide to obtain raw materials of the organic synthesis industry, the coking mainly comprises five processes of delayed coking, kettle coking, open-hearth coking, fluid coking, flexible coking and the like, however, no matter which process, the coking can generate tail gas, the tail gas contains various impurity particles and harmful gases, the tail gas is directly discharged to pollute the atmospheric environment, and the tail gas is required to be purified and usually washed and purified in a washing tower form.
The scrubbing tower device of current chemical industry coking tail gas treatment usefulness is in the use, and its conduction volume to tail gas is general less, and filtration, purification range are limited, and the treatment effeciency is lower, and when carrying out the 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 an annular structure, 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 leg; 3. a flue gas duct; 4. a spray header; 5. a sewage filter cartridge; 6. a flue gas air 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. a 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 cap 1112 is arranged at the upper port of the sealing cylinder 111, a lower end cover 116 is arranged at the lower port of the sealing cylinder 111, an air inlet pipe opening 117 is arranged in the middle of the lower end cover 116 in a penetrating way, the air inlet of the air inlet pipe opening 117 is connected with the flue gas duct 3, a diversion air duct A112 is symmetrically arranged at the rear position of the inner wall of the sealing cylinder 111, and the inner wall of the sealing cylinder 111 is symmetrically provided with guide wind grooves B115 at the front position, the port of the guide wind groove A112 penetrates through the end surface of the sealing cylinder 111 and is symmetrically provided with exhaust nozzles A113, the port of the guide wind groove B115 penetrates through the end surface of the sealing cylinder 111 and is symmetrically provided with exhaust nozzles B114, the inner side of the cavity of the sealing cylinder 111 is sequentially provided with a filter screen cylinder 1110, an adsorption screen cylinder 119 and a purification screen cylinder 118 from inside to outside, the inner side of the cavity of the filter screen cylinder 1110 is provided with a conduction cavity 1111, the number of the guide wind grooves A112 and the guide wind grooves B115 is not less than four, the guide wind groove A112 and the guide wind groove B115 are arranged in a staggered manner in the positive and reverse directions, 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 air guide cylinder 7 is provided with a flue gas guide mechanism 12, the flue gas guide mechanism 12 comprises a conical air pipe 121, an exhaust pipe opening 122 is arranged at the upper port position of the conical air pipe 121, the end surface of the conical air pipe 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, a compression spring 127 is arranged at the lower port position of the discharge port 126, the bottom of the sealing plug 125 penetrates through the compression spring 127 and is provided with a guide pull rod 128, the top of the sealing plug 125 is connected with a traction rope 124, the top end of the traction rope 124 is connected with a buoyancy ball 123, the outer diameter of the sealing plug 125 is matched with the inner diameter of the port of the discharge port 126, and the sealing plug 125 and the discharge port 126 are elastically clamped with the compression spring 127 through the guide 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 diversion air duct 7, the conical air duct 121 conducts directional diversion on the tail gas, the tail gas flows out from a uniform direction, in the tail gas diversion process, the sewage generated by washing and spraying falls into the outer side of the conical air duct 121, when the height of the sewage gradually rises, the buoyancy of the sewage pushes the buoyancy ball 123 to move upwards, the buoyancy ball 123 pulls the sealing plug 125 out of the drainage port 126 in the upward movement process, the sewage flows downwards through the drainage port 126, when the sewage flows to a certain amount, the buoyancy of the buoyancy ball 123 disappears, the sealing plug 125 moves downwards again into the drainage port 126 under the elastic reset pushing of the compression spring 127, the sealing is used for sealing the drainage port 126, and the tail gas always keeps flowing through the conical air duct 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 groups, 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 to a water inlet of the spray ring pipe 15, the spray heads 14 are arranged 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, the washed air is sucked by the negative pressure of the negative pressure fan 16 and is discharged to the outside, and the washed sewage falls into the outer ring of the conical air duct 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 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, the guided 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 cone 131 guides the flow, and the inward concave guide groove 133 on the outward scattering cone 131 is synchronous, the tail gas is enabled to be diffused outwards in sequence in a mode of keeping a smoke ring in the outward scattering process, when the tail gas is scattered outwards to the interval between the outward scattering diversion mechanism 13 and the spray air cylinder 8, clean water is conveyed by the spray ring pipe 15 and sprayed out through the spray head 14, the tail gas of the smoke ring between the outward scattering diversion mechanism 13 and the spray air cylinder 8 is sprayed and washed, washed air is sucked under the negative pressure of the negative pressure fan 16 and is discharged out of the outside, washed sewage falls into the outer ring of the conical air pipe 121 under the action of gravity, further in the tail gas diversion process, 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, the buoyancy ball 123 moves upwards, the sealing plug 125 is pulled out from the drainage port 126, 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 (8)
1. The 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), spray heads (14) are symmetrically connected below the spray ring pipe (15), and a negative pressure fan (16) is arranged at the top end position of the inner side of the spray air cylinder (8);
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 mode, 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), air exhaust pipe orifices A (113) are symmetrically formed in the end face, penetrating through the sealing cylinder (111), of the guide air grooves B (115) are symmetrically formed in the end face, of the air exhaust pipe orifices B (114) are formed in the position, a cavity inner side of the sealing cylinder (111) is sequentially provided with a filtering net cylinder (1110), a purifying net cylinder (119) and a cavity (1111) is formed in the cavity inner side of the filtering net cylinder (1110);
the outer scattering flow guide mechanism (13) comprises an outer scattering cone (131), a triangular support (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).
2. The tail gas treatment device for chemical coking according to claim 1, 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.
3. The tail gas treatment device for chemical coking according to claim 1, 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.
4. The tail gas treatment device for chemical coking according to claim 1, characterized in that the flue gas diversion mechanism (12) includes a tapered air pipe (121), an exhaust pipe opening (122) is opened at an upper port position of the tapered air pipe (121), and a discharge opening (126) is symmetrically opened at an edge position of a terminal surface of the tapered air pipe (121), a sealing plug (125) is clamped at an upper port position of the discharge opening (126), a compression spring (127) is arranged at a lower port position of the discharge opening (126), a guide pull rod (128) is arranged at a bottom of the sealing plug (125) through the compression spring (127), a traction rope (124) is connected to a top of the sealing plug (125), and a buoyancy ball (123) is connected to a top end of the traction rope (124).
5. The tail gas treatment device for chemical coking according to claim 4, 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) is elastically clamped with the vent port (126) 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).
6. The tail gas treatment device for chemical coking according to claim 1, characterized in that the guide grooves (133) are of an annular structure, the number of the guide grooves (133) is not less than four, and the spacing distances between the guide grooves (133) are the same.
7. 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).
8. 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 CN114307506A (en) | 2022-04-12 |
| CN114307506B true 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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| CN114307506A (en) | 2022-04-12 |
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