CN213453714U - Waste gas treatment device - Google Patents
Waste gas treatment device Download PDFInfo
- Publication number
- CN213453714U CN213453714U CN202021330934.9U CN202021330934U CN213453714U CN 213453714 U CN213453714 U CN 213453714U CN 202021330934 U CN202021330934 U CN 202021330934U CN 213453714 U CN213453714 U CN 213453714U
- Authority
- CN
- China
- Prior art keywords
- pipe
- treatment device
- spray tower
- tank
- exhaust gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model provides a waste gas treatment device, include: an exhaust gas input pipe; the bottom of the spray tower is connected with a waste gas input pipe, the top of the spray tower is provided with a waste gas discharge pipe, the spray tower is internally provided with a plurality of atomizing nozzles which spray from top to bottom, the atomizing nozzles are connected with an external water supply pipe, and the bottom of the spray tower is provided with a waste water discharge pipeline; the waste water treatment tank is connected with the waste water discharge pipeline, a filtering tank connected with the waste water discharge pipeline and a sedimentation tank connected with the filtering tank are arranged in the waste water treatment tank, a waste water circulating pipe connected with a water supply pipe is arranged on one side of the sedimentation tank, and a collection port for collecting sediments is arranged at the bottom of the sedimentation tank; and the air heat exchanger is arranged on the waste gas inlet pipeline and is provided with an external air inlet and an air cooling interface connected with an air supply pipeline of the sludge air cooling box. The utility model discloses an air heat exchanger of installation both can reduce the temperature of high temperature flue gas, makes the granule in the flue gas more easily subsides by the atomizing, can provide the hot-blast for mud forced air cooling case simultaneously again, and then accelerates the dehumidification efficiency of mud.
Description
Technical Field
The utility model relates to a waste gas treatment field especially relates to a can enough purify the high temperature flue gas after burning mud, thermal exhaust treatment device in this high temperature flue gas of make full use of again simultaneously.
Background
Along with the development of urbanization in China, higher and higher requirements are put forward on the treatment of environmental pollution, such as strict regulations on the discharge standards of sewage, flue gas and waste generated in production.
Some of the wastes to be treated contain bacteria, organic matters, glass or plastic and other impurities, the wastes are liquid but have poor liquidity, cannot be treated by precipitation and the like, and can only be landfilled, such as kitchen garbage; however, the water content of such wastes is high, and if the wastes are directly buried, the wastes are very easy to decay and deteriorate, and the surrounding environment is affected. And the filtered substances containing heavy metals are difficult to extract by a uniform method, or have high extraction cost, and can only be subjected to landfill treatment, but certain treatment is required before landfill so as to reduce or reduce the harm of the heavy metals.
In the prior art, the filter material which cannot be reused is generally treated by being directly buried in the ground after being burned, the method can avoid breeding of organic matters in the filter material again, and meanwhile, partial activity of heavy metals can be eliminated through high temperature, so that the speed of decomposition of the filter material by the ground is accelerated.
However, the current method for treating the flue gas in the incineration process only discharges the flue gas into the atmosphere after simple filtration or purification, and the heat energy in the flue gas is not fully utilized. In addition, in the air cooling stage before incineration, harmful gas generated by the filter is treated by a set of gas treatment device independently, and the harmful gas is not matched with a gas treatment device for treating flue gas, so that the cost is increased, and the working efficiency is also reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can enough purify the high temperature flue gas after burning mud, thermal exhaust treatment device in this high temperature flue gas of make full use of again simultaneously.
Specifically, the utility model provides an exhaust treatment device, include:
one end of the waste gas input pipe is connected with a flue gas discharge pipeline of the incinerator;
the bottom of the spray tower is connected with the other end of the waste gas input pipe, the top of the spray tower is provided with a waste gas discharge pipe, the spray tower is internally provided with a plurality of atomizing spray heads which spray from top to bottom, the atomizing spray heads are connected with an external water supply pipe, and the bottom of the spray tower is provided with a waste water discharge pipeline;
the wastewater treatment tank is connected with the wastewater discharge pipeline, a filtering tank connected with the wastewater discharge pipeline and a sedimentation tank connected with the filtering tank are arranged in the wastewater treatment tank, the bottom of the sedimentation tank is communicated with the bottom of the filtering tank, a wastewater circulating pipe connected with a water supply pipe is arranged on one side of the sedimentation tank, and a collection port for collecting sediments is arranged at the bottom of the sedimentation tank;
and the air heat exchanger is arranged on the waste gas inlet pipeline and is provided with an external air inlet and an air cooling interface connected with an air supply pipeline of the sludge air cooling box so as to heat the air fed into the sludge air cooling box.
The utility model discloses an in one embodiment, the atomizer is including setting up the vertical shower nozzle at top in the spray column, and set up the slant shower nozzle on the circumference lateral wall in the spray column, the direction that sprays of slant shower nozzle is for downwards and press clockwise or the skew in unison of anticlockwise the axis of spray column.
In one embodiment of the present invention, a cyclone for gas-liquid separation is installed above the vertical nozzle.
In an embodiment of the present invention, the drug box is disposed on the water supply pipe, the drug box includes a drug storage chamber and a drug mixing chamber located below the drug storage chamber, the drug storage chamber is connected with the drug mixing chamber through the funnel-shaped metering bin, and opposite sides of the drug mixing chamber are respectively connected with the water supply pipe through the branch pipes having the control valves.
In one embodiment of the present invention, the upper surface of the measuring chamber is provided with a horizontally rotating door for closing the upper opening of the measuring chamber, and the bottom of the measuring chamber is provided with a rotary electromagnetic valve.
In one embodiment of the present invention, the branch pipes are an upstream branch pipe connected to an upstream of water inlet of the water supply pipe and a downstream branch pipe connected to a downstream of the water supply pipe, respectively.
The utility model discloses an in an embodiment, still be connected with the blast pipe of being connected with mud forced air cooling case on the waste gas gets into the pipeline, the blast pipe is connected air heat exchanger with between the spray column waste gas gets into on the pipeline.
The utility model discloses an in an embodiment, many aluminum alloy tubes have been arranged with the tangent mode of flue gas entering direction in air heat exchanger's inside, and each aluminum alloy tube's import one end is connected with the outside air inlet port, export one end and forced air cooling interface connection.
In an embodiment of the present invention, the bottom of the sedimentation tank is an inverted trapezoid structure with a bottom area smaller than an upper area.
In one embodiment of the present invention, a circulation water pump is connected to the waste water circulation pipe.
The utility model discloses an air heat exchanger of installation both can reduce the temperature of high temperature flue gas, makes the granule in the flue gas more easily subsides by the atomizing, can provide the hot air for mud forced air cooling case simultaneously again, and then accelerates the dehumidification efficiency of mud, and whole device can improve flue gas purification efficiency, the while make full use of the heat energy in the flue gas. The scheme can realize the recycling of gas purification and treated water, can improve the treatment efficiency and reduce the water cost.
Drawings
FIG. 1 is a schematic structural view of an exhaust gas treatment device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a chemical tank according to an embodiment of the present invention;
fig. 3 is a schematic view of the open state of the metering bin closing door according to an embodiment of the present invention.
Detailed Description
The detailed structure and implementation process of the present solution are described in detail below with reference to specific embodiments and the accompanying drawings.
As shown in fig. 1, in one embodiment of the present invention, an exhaust gas filtering device is disclosed, comprising: waste gas input pipe 2, spray column 1, waste water treatment case 3 and air heat exchanger 5.
The exhaust gas input pipe 2 is connected with a flue gas discharge pipeline of the incinerator through one end, and the other end is connected with the bottom of the spray tower 1 so as to input the flue gas with particles and chemical substances into the spray tower 1.
Spray column 1 adopts cylindrical structure, and inside is as gaseous purification space, and the bottom is connected with waste gas input pipe 2, is provided with the waste gas discharge pipe 11 in the atmosphere of gaseous direct discharge after will purifying at the top, is provided with a plurality of atomizer 12 that spray from top to bottom in inside, and atomizer 12 is connected with outside delivery pipe 4 to provide water pressure by circulating water pump, the bottom still is provided with the waste water discharge pipeline 13 outside with purified water and impurity discharge tower.
The wastewater treatment tank 3 is used for precipitating the water discharged from the spray tower 1 to collect filtered substances, and simultaneously, the purified water after treatment is recycled and is connected with the wastewater discharge pipeline 13 of the spray tower 1, a filter tank 31 connected with the wastewater discharge pipeline 13 and a sedimentation tank 32 connected with the filter tank 31 are arranged in the wastewater treatment tank, a filter screen 33 is arranged between the filter tank 31 and the sedimentation tank 32, the bottom of the sedimentation tank 32 is communicated with the bottom of the filter tank 31, a wastewater circulating pipe 34 connected with a water supply pipe 4 is arranged on one side of the sedimentation tank 32, and a collection port 35 for discharging the precipitated filtered substances out of the wastewater treatment tank 3 is arranged at the bottom of the sedimentation tank 32.
Since the present embodiment relates only to the gas treatment part in the conventional sludge incineration treatment process, the incineration treatment process will be described only briefly in the following description, and the gas treatment process will be mainly described.
When the air cooling device works, smoke generated in the incineration process of the incinerator is input into the spray tower 1 through the waste gas input pipeline 2, high-temperature smoke heats an aluminum alloy pipeline inside the high-temperature smoke when passing through the air heat exchanger 5, so that air flowing through the aluminum alloy pipeline is heated, the heated air is sent into the sludge air cooling box through the air supply pipe after passing through the air cooling connector 52, filter matters in the sludge air cooling box are dehumidified through air speed and temperature, the high-temperature air can accelerate the moisture separation speed in the filter matters, and the dehumidification efficiency of the filter matters is accelerated.
The flue gas entering the spray tower 1 flows towards a waste gas discharge pipe 11 positioned at the top under the action of negative pressure in the spray tower, at the moment, each atomizing nozzle 12 positioned in the spray tower 1 sprays atomized water vapor downwards and mixes with the rising flue gas, so that particles in the flue gas fall into the bottom of the spray tower 1 after being adhered with a large amount of moisture, and then flow into the wastewater treatment tank 3 together with purified water through a wastewater discharge channel 13; the purified flue gas is discharged to the atmosphere through the exhaust gas discharge pipe 11.
The liquid that gets into among waste water treatment case 3 filters the back at filter screen 33 that sets up in filtering ponds 31, carries out the natural sedimentation in getting into sedimentation tank 32, then the filtration thing that deposits out is discharged through the collection mouth 35 that is located the bottom half, for making things convenient for the precipitate to assemble, the bottom of sedimentation tank 32 adopts the inverted trapezoid structure that the bottom area is less than the upper portion area.
The discharged filtrate may be subjected to incineration treatment after extrusion or the like. The water settled at the upper part of the settling tank 32 can be connected with the water supply pipe 4 of the atomizing nozzle 12 through the waste water circulating pipeline 34, so as to be recycled.
In the above structure, conventional power equipment such as a water pump for supplying power to the water supply pipe 4, a suction fan installed at the air heat exchanger 5, a circulation water pump connected to the waste water circulation pipe 34, etc. is further included. Meanwhile, various control valves are also installed on the pipelines to control the specific flow time. The water supply pipe 4 is also provided with a pressure gauge for monitoring the spraying pressure.
This embodiment is through the air heat exchanger of installation, both can reduce the temperature of high temperature flue gas, make the granule in the flue gas more easily subside by the atomizing, can provide the hot air for mud forced air cooling case simultaneously again for the dehumidification efficiency of mud, and then whole device can improve flue gas purification efficiency, the while make full use of the heat energy in the flue gas. The scheme can realize the recycling of gas purification and treated water, can improve the treatment efficiency and reduce the water cost.
The utility model discloses an in one embodiment, atomizer 12 is including setting up the vertical shower nozzle 121 at top in spray column 1, and set up the slant shower nozzle 122 on the circumference lateral wall in spray column 1, vertical shower nozzle 121 directly sprays downwards, and the direction that sprays of slant shower nozzle 122 is for downwards and press the axis of clockwise or the unified skew spray column 1 of anticlockwise, the arrangement of slant shower nozzle 122 can utilize spun water to form the whirl in spray column 1, and then make flue gas spiral rise, increase the dwell time of flue gas in spray column 1, make the granule of mixing in the flue gas after wrapping up moisture simultaneously, separate in quick follow flue gas through the effect of centrifugal force.
In order to reduce the moisture in the flue gas which is finally discharged out of the spray tower 1, a cyclone 7 which can realize gas-liquid separation can be arranged above the vertical spray head 121.
The utility model discloses an in the embodiment, can get into pipeline 2 with the waste gas between mud forced air cooling case export gas's blast pipe 53 and air heat exchanger 5 and the spray column 1 and be connected, make the gas that has the moisture of exhaust in the mud forced air cooling case, mix with the high temperature flue gas, purify in getting into spray column 1 jointly. The structure can further reduce the temperature of the high-temperature flue gas after entering the spray tower 1, and can utilize the high temperature of the high-temperature flue gas to kill partial organic molecules in the gas.
The embodiment can remove the gas treatment device attached to the sludge air cooling box, and further purify all intermediate gas in the whole sludge treatment device by using the spray tower 1, thereby reducing the treatment cost and fully utilizing the heat energy of high-temperature flue gas.
As shown in fig. 2, in an embodiment of the present invention, in order to further eliminate harmful substances contained in the smoke, a chemical tank 6 for dispensing chemicals may be provided on the water supply pipe 4, the chemical tank 6 includes a chemical storage chamber 61 for storing chemicals, and a chemical mixing chamber 62 located below the chemical storage chamber 61, a funnel-shaped metering chamber 63 capable of containing a fixed amount of chemicals is connected between the chemical storage chamber 61 and the chemical mixing chamber 62, and opposite sides of the chemical mixing chamber 62 are respectively connected to the water supply pipe 4 through branch pipes 64 having control valves 65.
The medicine storage chamber 61 stores a large amount of medicine to be used, which may be powder or liquid, and the storage amount is at least required to satisfy the amount of medicine to be put into the spray tower 1 in a predetermined period of time. The dosing chamber 63 is capable of holding a specified amount of medicament at a time, and the amount of medicament held in the dosing chamber 63 and the time of administration can be controlled by the control system.
The metering bin 63 automatically receives a certain amount of medicines from the medicine storage chamber 61 above each time and then discharges the medicines into the medicine mixing chamber 62 below, the medicine mixing chamber 62 utilizes the upstream branch pipe 641 connected with the water supply pipe 4 to enable water in the water supply pipe 4 to enter the medicine mixing chamber 62, the medicines inside the medicine mixing chamber 62 are automatically stirred and flushed by water pressure, then the stirred medicine water mixture is flushed into the water supply pipe 4 through the downstream branch pipe 642 connected with the water supply pipe 4 and sprayed out through the atomizing nozzle 12 to further react with chemical substances contained in smoke, and then the medicine water mixture is precipitated to the bottom of the spray tower 1 and then discharged to the wastewater treatment tank 3.
This embodiment can realize the timing ration of medicine and put in, realizes the stirring through delivery pipe 4 area and mixes, does not need solitary agitating unit, utilizes measurement storehouse 63 can obtain in order to realize the ration of medicine, and the water that can keep apart delivery pipe 4 again simultaneously gets into medicine storage chamber 61, and measurement storehouse 63 adopts the structure of funnel type can make things convenient for inside medicine nature gliding, can control the medicine volume that gets into in the medicine mixing chamber 62 in addition to the medicine that makes to fall obtains the intensive mixing.
In order to precisely control the amount of the medicine introduced into the metering chamber 63, a sealing door 631 is provided on the upper surface of the metering chamber 63, and a rotary solenoid valve 632 is provided at the bottom thereof. The closing door 631 adopts a horizontal rotation type mode to close the upper opening of the metering bin 63, and the closing door 63 can be a mechanical structure controlled by a motor or an electromagnetic valve structure. As shown in fig. 3, when the medicine dispensing device is used, the upper opening of the measuring chamber 63 is opened by horizontally rotating the closing door 631 by the motor, so that the medicine in the medicine storage chamber 61 automatically falls into the measuring chamber 63, and the closing time of the closing door 631 is determined according to the inflow time or the signal of the pressure sensor. Because the horizontal cut-in type opening and closing mode is adopted, the drug resistance in the closing process can be reduced, and the drug can be cut easily. The rotary electromagnetic valve 632 at the bottom can improve the sealing effect to prevent the water from entering the medicine mixing chamber 62 and flowing back to the metering bin 63.
In the process of drug administration, the valves 65 on the branch pipes 64 at the two ends of the drug mixing chamber 62 are respectively in a closed state, and after the drug administration in the metering bin 63 is completed and the rotary electromagnetic valve 632 at the bottom is closed, the valves 65 on the upstream branch pipe 641 and the downstream branch pipe 642 are sequentially opened, so that the internal drugs can be fully mixed, and water can be prevented from entering the metering bin 63.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. An exhaust gas treatment device, comprising:
one end of the waste gas input pipe is connected with a flue gas discharge pipeline of the incinerator;
the bottom of the spray tower is connected with the other end of the waste gas input pipe, the top of the spray tower is provided with a waste gas discharge pipe, the spray tower is internally provided with a plurality of atomizing spray heads which spray from top to bottom, the atomizing spray heads are connected with an external water supply pipe, and the bottom of the spray tower is provided with a waste water discharge pipeline;
the wastewater treatment tank is connected with the wastewater discharge pipeline, a filtering tank connected with the wastewater discharge pipeline and a sedimentation tank connected with the filtering tank are arranged in the wastewater treatment tank, the bottom of the sedimentation tank is communicated with the bottom of the filtering tank, a wastewater circulating pipe connected with a water supply pipe is arranged on one side of the sedimentation tank, and a collection port for collecting sediments is arranged at the bottom of the sedimentation tank;
and the air heat exchanger is arranged on the waste gas inlet pipeline and is provided with an external air inlet and an air cooling interface connected with an air supply pipeline of the sludge air cooling box so as to heat the air fed into the sludge air cooling box.
2. The exhaust gas treatment device according to claim 1,
the atomizing spray head comprises a vertical spray head arranged at the top in the spray tower and an oblique spray head arranged on the side wall of the inner circumference of the spray tower, and the spraying direction of the oblique spray head is downward and deviates from the central axis of the spray tower in a clockwise or anticlockwise unified manner.
3. The exhaust gas treatment device according to claim 2,
and a gas-liquid separation cyclone is arranged above the vertical spray head.
4. The exhaust gas treatment device according to claim 1,
the device comprises a water supply pipe, a drug box and a drug mixing chamber, wherein the drug box is arranged on the water supply pipe and comprises a drug storage chamber and a drug mixing chamber positioned below the drug storage chamber, the drug storage chamber is connected with the drug mixing chamber through a funnel-shaped metering bin, and two opposite sides of the drug mixing chamber are respectively connected with the water supply pipe through branch pipes with control valves.
5. The exhaust gas treatment device according to claim 4,
the upper surface of measurement storehouse is provided with the horizontal rotation formula in order to seal the closed door of measurement storehouse upper portion open-ended, and the bottom is provided with rotation type solenoid valve.
6. The exhaust gas treatment device according to claim 5,
the branch pipes are an upstream branch pipe connected with the upstream of the water inlet of the water supply pipe and a downstream branch pipe connected with the downstream of the water supply pipe.
7. The exhaust gas treatment device according to claim 1,
and the waste gas inlet pipeline is also connected with an exhaust pipe connected with a sludge air cooling box, and the exhaust pipe is connected between the air heat exchanger and the spray tower on the waste gas inlet pipeline.
8. The exhaust gas treatment device according to claim 1,
a plurality of aluminum alloy tubes are arranged in the air heat exchanger in a tangent mode with the smoke gas entering direction, one end of an inlet of each aluminum alloy tube is connected with an external air inlet, and one end of an outlet of each aluminum alloy tube is connected with an air cooling interface.
9. The exhaust gas treatment device according to claim 1,
the bottom of the sedimentation tank is of an inverted trapezoidal structure with the bottom area smaller than the upper area.
10. The exhaust gas treatment device according to claim 1,
and the waste water circulating pipe is connected with a circulating water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021330934.9U CN213453714U (en) | 2020-07-08 | 2020-07-08 | Waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021330934.9U CN213453714U (en) | 2020-07-08 | 2020-07-08 | Waste gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213453714U true CN213453714U (en) | 2021-06-15 |
Family
ID=76370322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021330934.9U Active CN213453714U (en) | 2020-07-08 | 2020-07-08 | Waste gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213453714U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653156A (en) * | 2022-03-18 | 2022-06-24 | 北京双吉制药有限公司 | Pharmacy workshop exhaust treatment system |
| CN115178036A (en) * | 2022-06-06 | 2022-10-14 | 华能国际电力股份有限公司大连电厂 | Spray dust suppression device of closed coal yard |
-
2020
- 2020-07-08 CN CN202021330934.9U patent/CN213453714U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114653156A (en) * | 2022-03-18 | 2022-06-24 | 北京双吉制药有限公司 | Pharmacy workshop exhaust treatment system |
| CN115178036A (en) * | 2022-06-06 | 2022-10-14 | 华能国际电力股份有限公司大连电厂 | Spray dust suppression device of closed coal yard |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213453714U (en) | Waste gas treatment device | |
| CN206447626U (en) | Wastewater treatment equipment | |
| CN206404572U (en) | A kind of waste gas cleaning system | |
| CN204237655U (en) | A kind of water correction plant | |
| CN108002637A (en) | A kind of accessible chemical engineering sewage processing unit of smell | |
| CN105771516B (en) | One kind centrifugation air flue type gas purifier | |
| CN105749737A (en) | Combined industrial waste gas purifying device and process | |
| CN207774940U (en) | Deoderizing environmental wastewater environmental purification processing unit | |
| CN210340561U (en) | High-efficient domestic sewage treatment plant | |
| CN210736409U (en) | Equipment for treating industrial desulfurization wastewater by using flue waste gas | |
| CN211170292U (en) | Urban sewage treatment device | |
| CN218174730U (en) | Acid-base neutralization pond for sewage treatment | |
| CN207775007U (en) | A kind of accessible chemical engineering sewage processing unit of smell | |
| CN206262291U (en) | One kind centrifugation air flue type gas purifier | |
| CN205886541U (en) | Wet flue gas desulfurization flue gas ultra -clean discharges processing system | |
| CN212680512U (en) | Special biological deodorization equipment for integrated sewage lifting pump station | |
| CN212914560U (en) | Efficient evaporation plant is used in 3,4-dimethylbenzaldehyde production | |
| CN107537262A (en) | Spiral-flow type air cleaning system | |
| CN207175752U (en) | A kind of sludge water process reaction of high order waste gas dust-removal device | |
| CN209679814U (en) | A kind of emission-control equipment for rubber refining | |
| CN112426868A (en) | Purification process for treating flue gas | |
| CN208762221U (en) | A kind of middle concentration ammonia nitrogen wastewater pretreatment unit | |
| CN106693511A (en) | Power plant flue gas treatment device | |
| CN207445858U (en) | Spiral-flow type air cleaning system | |
| CN206508663U (en) | Power-plant flue gas processing unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |