CN113477060A - Desulfurization, dust removal and whitening integrated tower for waste liquid incineration and waste gas treatment - Google Patents
Desulfurization, dust removal and whitening integrated tower for waste liquid incineration and waste gas treatment Download PDFInfo
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- CN113477060A CN113477060A CN202110838099.2A CN202110838099A CN113477060A CN 113477060 A CN113477060 A CN 113477060A CN 202110838099 A CN202110838099 A CN 202110838099A CN 113477060 A CN113477060 A CN 113477060A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
Abstract
The invention belongs to the technical field of flue gas treatment, and particularly relates to a desulfurization, dedusting and whiting-removing integrated tower for waste liquid incineration and waste gas treatment, which comprises a desulfurization tower, wherein the top end of the desulfurization tower is connected with a desulfurization box, the bottom end of the desulfurization box is provided with a Venturi tube, the top end of the desulfurization box is fixedly connected with a first box body, one side surface of the upper box body is connected with a second box body, the second box body is fixedly connected with the top surface of a condensation box, a plurality of condensers are arranged below a partition plate arranged on the inner wall of the condensation box, an air outlet at the bottom of the condensation box is connected with an air inlet of a steam-water separator through an air inlet elbow, an air outlet of the steam-water separator is connected with an air inlet of a filter bag dedusting mechanism through an air outlet elbow, the assembled type integrated tower is convenient to transport and store, and occupies a small area after being assembled, the waste gas can be desulfurized twice, the condensing box and the steam-water separator can perform whitening and dehumidifying treatment on the gas, and the service life of a filter bag in the filter bag dust removal mechanism is prolonged.
Description
Technical Field
The invention belongs to the technical field of flue gas treatment, and particularly relates to a desulfurization, dedusting and whitening integrated tower for waste liquid incineration and waste gas treatment.
Background
The waste liquid incineration waste gas treatment refers to that when organic industrial waste liquid with high concentration, high pollution and difficult dissolution by a biochemical method enters plasma sewage treatment equipment through a supply system, under the action of the high-temperature oxidation effect of electric arcs, cracking and chain breaking are carried out to generate a mixture of low molecular products and water vapor, and the mixture is directly discharged or discharged into an urban pipe network after being cooled and precipitated to carry out biochemical treatment. The waste gas generated after incineration treatment needs to be subjected to desulfurization, dust removal and whitening treatment so as to meet the national emission requirements.
Disclosure of Invention
The existing waste liquid incineration waste treatment equipment has single function, equipment for desulfurization, dust removal and whitening needs to be purchased and installed independently, the pipeline laying cost is high, the site using area is large, and the waste gas treatment cost is high. The invention provides a desulfurization, dedusting and whitening integrated tower for waste liquid incineration and waste gas treatment, which is convenient to transport and store, small in occupied area after assembly, capable of performing desulfurization treatment on waste gas twice, and capable of performing whitening and dehumidifying treatment on gas through a condensing box and a steam-water separator, and prolonging the service life of a filter bag in a filter bag dedusting mechanism.
The invention provides the following technical scheme: the desulfurization, dust removal and whiting removal integrated tower comprises a desulfurization tower, wherein the desulfurization tower comprises a tower body and an alkali liquor tank, the alkali liquor tank is fixedly arranged at the bottom side of the desulfurization tower, the interior of the tower body and the alkali liquor tank are communicated, the top end of the desulfurization tower is fixedly connected with the bottom surface of a desulfurization box, the bottom end of the desulfurization box is provided with a through groove for fixedly mounting a plurality of Venturi tubes, the top end of the desulfurization box is fixedly connected with the bottom surface of a first box body, the side surface of the first box body is fixedly connected with the side surface of a second box body, the bottom surface of the second box body is fixedly connected with the top surface of a condensing box, the inner wall of the condensing box is fixedly provided with a partition plate, the partition plate is provided with an air inlet, the bottom surface of the condensing box is provided with an air outlet, a plurality of condensers are fixedly mounted on the inner bottom surface of the condensing box between the air inlet and the air outlet, and the air outlet is fixedly connected with one end of an air inlet elbow, the other end fixed connection catch water's of inlet elbow inlet end, catch water's the end of giving vent to anger is through the inlet end of the elbow fixed connection filter bag dust removal mechanism bottom of giving vent to anger, the drain of catch water bottom fixed connection drain valve's one end, the other end fixed connection drain pipe of drain valve.
The top end of the desulfurization box and the bottom end of the upper box body I are provided with through grooves which enable the interiors of the desulfurization box and the upper box body I to be communicated, the side surface where the upper box body I and the upper box body II are connected is provided with through grooves which enable the interiors of the upper box body I and the upper box body II to be communicated, the bottom end of the upper box body II and the top end of the condensing box are provided with through grooves which enable the interiors of the upper box body II and the condensing box to be communicated, the width of the desulfurization tower is the same as that of the desulfurization box and the upper box body I, the bottom surfaces of the condensing box and the filter bag dust removal mechanism are fixedly connected with the top ends of supporting columns, the number of the supporting columns is multiple, and the desulfurization tower, the desulfurization box, the upper box body I, the upper box body II and the condensing box are all of square box body structures with hollow interiors; the device with the assembled design is convenient to transport and store, energy-saving and environment-friendly, meets the requirements of green buildings, occupies a small area after being assembled and used, and is beneficial to the use and popularization of products.
The side surface of the tower body is fixedly connected with an air inlet pipe, a filler supporting plate, a lower sprinkling pipe and an upper sprinkling pipe are fixedly arranged on the inner wall of the tower body above the air inlet pipe from bottom to top, one end of each of the lower sprinkling pipe and the upper sprinkling pipe penetrates through the side surface of the tower body and is respectively and fixedly connected with the side surfaces of a lower water supply pipe and an upper water supply pipe, one end of each of the lower water supply pipe and the upper water supply pipe penetrates through a main water supply pipe to be connected with a water outlet of a water pump, a water inlet of the water pump is connected with the side surface of a lye tank through a pipeline, the height of the inner top surface of the lye tank is not higher than the bottom end of the air inlet pipe, and a plurality of nozzles are fixedly arranged at the bottom side of the lower sprinkling pipe; the incineration waste gas can enter the tower body through the gas inlet pipe for effective desulfurization treatment.
The tower body and the desulfurization box are communicated through a venturi tube, a plurality of nozzles are fixedly mounted on the top side of the upper sprinkling pipe, and a venturi tube is mounted right above each nozzle; through a plurality of venturi of internally mounted at the desulfurization case, wash the waste gas of burning after the desulfurizing tower washing for the second time, can effectively improve this device to the purifying effect of burning waste gas.
The bottom surface of the desulfurization box is provided with a through hole for fixedly installing a return pipe, the top end of the return pipe is flush with the inner bottom surface of the desulfurization box, and the bottom end of the return pipe is not higher than the height of the middle section of the lye tank; the alkaline solution sprayed from the upper end of the Venturi tube and deposited at the bottom of the desulfurization box can flow back to the alkaline solution stored at the bottom of the tower body through the return pipe, so that the aim of recycling is fulfilled.
The top end of the condenser is fixedly connected with the bottom surface of the partition plate, the side surface of the condenser is fixedly connected with the inner side surface of the condensing box, the condensers are arranged in parallel in an equal sequence, and a pipeline connected with a water inlet and return port of each condenser penetrates through the side surface of the condensing box; waste gas after desulfurizing tower, desulfurization case desulfurization and preliminary dust removal can carry out effectual cooling when passing through a plurality of condensers in proper order, makes the steam that itself contains and the steam condensation that carries among the desulfurization washing process in the gas be the liquid pearl, and subsequent dehumidification separation of being convenient for is handled.
The number of the steam-water separators is multiple, and the steam-water separators are baffle separators; the steam-water separator can separate liquid beads in the condensed waste gas and send the dry gas into the filter bag dust removal mechanism for dust removal treatment, so that the influence of moisture on the service life of a filter bag in the filter bag dust removal mechanism is avoided.
The invention has the beneficial effects that: the device with the assembly design is convenient to transport and store, energy-saving and environment-friendly, meets the requirements of green buildings, occupies a small area after being assembled and used, and is beneficial to the use and popularization of products; the incineration waste gas can enter the tower body through the gas inlet pipe for effective desulfurization treatment; the venturi tubes are arranged in the desulfurization box, so that the incineration waste gas washed by the desulfurization tower is washed for the second time, and the purification effect of the device on the incineration waste gas can be effectively improved; the alkaline washing liquid sprayed from the upper end of the Venturi tube and deposited at the bottom of the desulfurization box can flow back to the alkaline washing liquid stored at the bottom of the tower body through the return pipe, so that the aim of recycling is fulfilled; the waste gas after being desulfurized and preliminarily dedusted by the desulfurizing tower and the desulfurizing box can be effectively cooled when passing through a plurality of condensers in sequence, so that water vapor contained in the gas and water vapor carried in the desulfurizing and washing process are condensed into liquid beads, and the subsequent dehumidifying and separating treatment is facilitated; the steam-water separator can separate liquid beads in the condensed waste gas and send the dry gas into the filter bag dust removal mechanism for dust removal treatment, so that the influence of moisture on the service life of a filter bag in the filter bag dust removal mechanism is avoided.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a right side view of the present invention;
in the figure: 1. a desulfurizing tower; 101. a tower body; 102. a packing support plate; 103. an air inlet pipe; 104. a lower sprinkler pipe; 105. an upper sprinkler pipe; 106. a nozzle; 107. a lower water supply pipe; 108. an upper water supply pipe; 109. a lye tank; 110. a water pump; 111. a main water supply pipe; 2. a desulfurization box; 201. a venturi tube; 202. a return pipe; 3. an upper box body I; 4. an upper box body II; 5. a condenser tank; 501. a partition plate; 502. an air inlet; 503. a condenser; 504. an air outlet; 6. a steam-water separator; 601. an inlet elbow; 602. an air outlet elbow; 603. a drain valve; 604. a drain pipe; 7. a filter bag dust removal mechanism; 8. and (4) a support column.
Detailed Description
Referring to fig. 1-3, the present invention provides the following technical solutions: waste liquid incineration waste gas treatment desulfurization dust removal whiting integrative tower, including desulfurizing tower 1, desulfurizing tower 1 includes tower body 101 and lye tank 109, lye tank 109 fixed mounting is in the bottom side of desulfurizing tower 1 and the inside of tower body 101, lye tank 109 link up mutually, the top fixed connection desulfurizing box 2's of desulfurizing tower 1 bottom surface, the logical groove of a plurality of venturi 201 of fixed mounting is seted up to the bottom of desulfurizing box 2, the bottom surface of first box 3 is connected to the top fixed connection of desulfurizing box 2, the side fixed connection of first box 3 of upper box is connected the side of second box 4, the bottom fixed connection condensing box 5's of second box 4 top surface, fixed mounting has division board 501 on the inner wall of condensing box 5, seted up air inlet 502 on division board 501, gas outlet 504 has been seted up to the bottom surface of condensing box 5, fixed mounting has a plurality of condensers 503 on the interior bottom surface of condensing box 5 between air inlet 502, gas outlet 504, the utility model discloses a filter bag dust removal mechanism, including gas outlet 504, inlet elbow 601's the other end fixed connection steam-water separator 6's inlet end, the inlet end of giving vent to anger end through elbow 602 fixed connection filter bag dust removal mechanism 7 bottom of giving vent to anger of steam-water separator 6, the drain fixed connection drain valve 603's of 6 bottoms of steam-water separator one end, the other end fixedly connected with drain pipe 604 of drain valve 603.
The top end of the desulfurization box 2 and the bottom end of the upper box body I3 are provided with through grooves which enable the desulfurization box 2 and the upper box body I3 to be communicated with each other, the side surface where the upper box body I3 and the upper box body II 4 are connected is provided with through grooves which enable the upper box body I3 and the upper box body II 4 to be communicated with each other, the bottom end of the upper box body II 4 and the top end of the condensing box 5 are provided with through grooves which enable the upper box body II 4 and the condensing box 5 to be communicated with each other, the width of the desulfurization tower 1 is the same as that of the desulfurization box 2 and the upper box body I3, the bottom surfaces of the condensing box 5 and the filter bag dust removal mechanism 7 are fixedly connected with the top ends of supporting columns 8, the number of the supporting columns 8 is multiple, and the desulfurization tower 1, the desulfurization box 2, the upper box body I3, the upper box body II 4 and the condensing box 5 are all of square box body structures with hollow interiors; the device with the assembled design is convenient to transport and store, energy-saving and environment-friendly, meets the requirements of green buildings, occupies a small area after being assembled and used, and is beneficial to the use and popularization of products.
An air inlet pipe 103 is fixedly connected to the side surface of the tower body 101, a filler support plate 102, a lower water sprinkling pipe 104 and an upper water sprinkling pipe 105 are fixedly mounted on the inner wall of the tower body 101 above the air inlet pipe 103 from bottom to top, one end of each of the lower water sprinkling pipe 104 and the upper water sprinkling pipe 105 penetrates through the side surface of the tower body 101 and is respectively fixedly connected with the side surfaces of a lower water supply pipe 107 and an upper water supply pipe 108, one end of each of the lower water supply pipe 107 and the upper water supply pipe 108 penetrates through a main water supply pipe 111 and is connected with a water outlet of a water pump 110, a water inlet of the water pump 110 is connected with the side surface of an alkaline solution tank 109 through a pipeline, the height of the inner top surface of the alkaline solution tank 109 is not higher than the bottom end of the air inlet pipe 103, and a plurality of nozzles 106 are fixedly mounted on the bottom side of the lower water sprinkling pipe 104; the incineration exhaust gas can enter the tower body 101 through the air inlet pipe 103 for effective desulfurization treatment.
The tower body 101 and the inside of the desulfurization box 2 are communicated through a venturi tube 201, a plurality of nozzles 106 are fixedly mounted on the top side of the upper sprinkling pipe 105, and the venturi tube 201 is mounted right above each nozzle 106; through a plurality of venturi 201 of internally mounted at desulfurization case 2, wash the waste gas of burning after desulfurization tower 1 washes for the second time, can effectively improve this device to the purifying effect of burning waste gas.
The bottom surface of the desulfurization box 2 is provided with a through hole for fixedly installing a return pipe 202, the top end of the return pipe 202 is flush with the inner bottom surface of the desulfurization box 2, and the bottom end of the return pipe 202 is not higher than the height of the middle section of the lye tank 109; the alkaline solution sprayed from the upper end of the venturi tube 201 and deposited at the bottom of the desulfurization tank 2 can flow back to the alkaline solution stored at the bottom of the tower body 101 through the return pipe 202, so that the purpose of recycling is achieved.
The top end of the condenser 503 is fixedly connected with the bottom surface of the partition plate 501, the side surface of the condenser 503 is fixedly connected with the inner side surface of the condensation box 5, the number of the condensers 503 is multiple, the condensers are arranged and positioned in parallel in an equal sequence, and a pipeline connected with a water inlet and return port of the condenser 503 penetrates through the side surface of the condensation box 5; waste gas after desulfurizing tower 1, 2 desulfurizes of desulfurization case and preliminary dust removal can carry out effectual cooling when passing through a plurality of condensers 503 in proper order, makes the steam that itself contains in the gas and the steam condensation that carries among the desulfurization washing process be the liquid bead, and subsequent dehumidification separation of being convenient for is handled.
The number of the steam-water separators 6 is multiple, and the steam-water separators 6 are baffle type separators; the steam-water separator 6 can separate liquid beads in the condensed waste gas and send the dry gas into the filter bag dust removal mechanism 7 for dust removal treatment, so that the influence of moisture on the service life of a filter bag in the filter bag dust removal mechanism 7 is avoided.
The working principle and the using process of the invention are as follows: when the device works, incineration waste gas sent into the air inlet pipe 103 by the draught fan enters the interior of the tower body 101 through the air inlet pipe 103, then passes through the filler supporting plate 102 and the filler arranged on the filler supporting plate 102, and then enters the interior of the desulfurization box 2 through the Venturi pipe 201, in the process that the incineration waste gas enters the interior of the desulfurization box 2 from the desulfurization tower 1, the alkali wash liquid stored in the alkali wash tank 109 is sent into the lower sprinkling pipe 104 and the upper sprinkling pipe 105 through the main water supply pipe 111, the lower water supply pipe 107 and the upper water supply pipe 108 by the water pump 110 in operation, and is atomized and sprayed out through the nozzle 106, when the alkali wash liquid is sprayed out through the nozzle 106 arranged at the bottom of the lower sprinkling pipe 104, the gas in the cavity of the tower body 101 is desulfurized and washed, and when the alkali wash liquid is sprayed out through the nozzle 106 arranged at the top of the upper sprinkling pipe 105, the alkali wash liquid and the waste gas flowing at a high speed in the Venturi pipe 201 are subjected to secondary desulfurization and washing treatment; waste gas subjected to two-time desulfurization washing treatment sequentially enters a condensation box 5 through an upper box body I3 and an upper box body II 4, is limited and blocked by a partition plate 501, enters the condensation box 5 below the partition plate 501 through an air inlet 502, enters a steam-water separator 6 through an air outlet 504 and an air inlet elbow 601 for separation treatment, and is cooled and condensed by a condenser 503 in the process that the waste gas enters the air outlet 504 through the air inlet 502, so that water vapor contained in the gas and water vapor carried in the desulfurization washing process are condensed into liquid beads; the gas separated and treated by the steam-water separator 6 and dried is sent to the filter bag dust removing mechanism 7 for dust removal treatment, and then discharged to the outside, and the separated liquid is collected uniformly by the drain valve 603 and the drain pipe 604 for treatment and use.
Claims (7)
1. Waste liquid burns waste gas treatment desulfurization dust removal and takes off white integrative tower, its characterized in that: the desulfurizing tower comprises a desulfurizing tower body and an alkaline solution tank, wherein the alkaline solution tank is fixedly arranged at the bottom side of the desulfurizing tower, the interior of the tower body and the alkaline solution tank are communicated, the top end of the desulfurizing tower is fixedly connected with the bottom surface of a desulfurizing box, the bottom end of the desulfurizing box is provided with a through groove for fixedly installing a plurality of Venturi tubes, the top end of the desulfurizing box is fixedly connected with the bottom surface of a first box body, the side surface of the first box body is fixedly connected with the side surface of a second box body, the bottom surface of the second box body is fixedly connected with the top surface of a condensing box, a partition plate is fixedly arranged on the inner wall of the condensing box, an air inlet is arranged on the partition plate, the bottom surface of the condensing box is provided with an air outlet, a plurality of condensers are fixedly arranged on the inner bottom surface of the condensing box between the air inlet and the air outlet, the air outlet is fixedly connected with one end of an air inlet elbow, and the other end of the air inlet elbow is fixedly connected with the air inlet end of a steam-water separator, the air outlet end of the steam-water separator is fixedly connected with the air inlet end of the bottom end of the filter bag dust removal mechanism through an air outlet elbow, the drain outlet at the bottom end of the steam-water separator is fixedly connected with one end of a drain valve, and the other end of the drain valve is fixedly connected with a drain pipe.
2. The waste liquid incineration waste gas treatment desulfurization dust removal and whitening integrated tower of claim 1, characterized in that: the top of the desulfurization box and the bottom of the upper box body I are provided with through grooves which enable the interior of the desulfurization box and the interior of the upper box body I to be communicated, the side surfaces, connected with the upper box body I and the upper box body II, of the upper box body I and the interior of the upper box body II to be communicated are provided with through grooves which enable the interior of the upper box body II and the interior of the condensing box to be communicated, the bottom of the upper box body II and the top of the condensing box are provided with through grooves which enable the interior of the upper box body II and the interior of the condensing box to be communicated, the width of the desulfurization tower is the same as the width of the desulfurization box and the width of the upper box body I, the bottom of the condensing box and the bottom of the filter bag dust removal mechanism are fixedly connected with the top ends of supporting columns, the number of the supporting columns is multiple, and the desulfurization tower, the desulfurization box, the upper box body I, the upper box body II and the condensing box are all of square box body structures with hollow interiors.
3. The waste liquid incineration waste gas treatment desulfurization dust removal and whitening integrated tower of claim 1, characterized in that: the side fixedly connected with intake pipe of tower body, the inner wall of the tower body of intake pipe top is by lower supreme fixed mounting have filler backup pad, sprinkler pipe down, go up the sprinkler pipe, and the one end of sprinkler pipe, last sprinkler pipe link up the side of tower body and respectively the side of delivery pipe, last delivery pipe down, and the delivery port of total delivery pipe through connection water pump is passed through to the one end of delivery pipe, last delivery pipe down, the water inlet of water pump passes through the side of pipe connection lye tank, the bottom of the interior top surface of lye tank is not higher than the intake pipe, the bottom side fixed mounting of sprinkler pipe has a plurality of nozzles down.
4. The waste liquid incineration waste gas treatment desulfurization dust removal and whitening integrated tower of claim 3, characterized in that: the inside of tower body, desulfurization case is through the venturi through connection, the top side fixed mounting who goes up the sprinkler pipe has a plurality of nozzles, all installs a venturi directly over each nozzle.
5. The waste liquid incineration waste gas treatment desulfurization dust removal and whitening integrated tower of claim 1, characterized in that: the bottom surface of the desulfurization box is provided with a through hole for fixedly mounting a return pipe, the top end of the return pipe is flush with the inner bottom surface of the desulfurization box, and the bottom end of the return pipe is not higher than the height of the middle section of the lye tank.
6. The waste liquid incineration waste gas treatment desulfurization dust removal and whitening integrated tower of claim 1, characterized in that: the top fixed connection division board of condenser's bottom surface, the medial surface of the side fixed connection condensing box of condenser, the quantity of condenser is a plurality of and parallel to each other the preface and arranges the setting, the pipeline that the return water mouth of intaking of condenser is connected link up the side of condensing box.
7. The waste liquid incineration waste gas treatment desulfurization dust removal and whitening integrated tower of claim 1, characterized in that: the number of the steam-water separators is multiple, and the steam-water separators are baffle type separators.
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| CN202110838099.2A CN113477060A (en) | 2021-07-23 | 2021-07-23 | Desulfurization, dust removal and whitening integrated tower for waste liquid incineration and waste gas treatment |
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| CN202110838099.2A CN113477060A (en) | 2021-07-23 | 2021-07-23 | Desulfurization, dust removal and whitening integrated tower for waste liquid incineration and waste gas treatment |
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| CN105727700A (en) * | 2016-05-17 | 2016-07-06 | 同正环保集团有限公司 | Integrated ultra-clean desulfurization and dust collection device |
| CN207413139U (en) * | 2017-10-30 | 2018-05-29 | 彭州鼎晟环境技术有限公司 | A kind of desulfurizer |
| CN208244438U (en) * | 2018-04-20 | 2018-12-18 | 大连航化能源装备有限公司 | The micro- ultra-clean exhaust system of mist desulfurization and dedusting of integrated fume |
| CN211611974U (en) * | 2019-10-10 | 2020-10-02 | 华林特钢集团有限公司 | Filtering device for scrap steel smelting |
| CN210993694U (en) * | 2019-10-23 | 2020-07-14 | 长春清朗环境工程有限公司 | A all cigarette device for SOx/NOx control |
| CN215388657U (en) * | 2021-07-23 | 2022-01-04 | 山东恒科环保设备有限公司 | Desulfurization, dust removal and whitening integrated tower for waste liquid incineration and waste gas treatment |
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