CN108325301A - Based on small incinerator, the exhaust gas processing device of carbide furnace and treatment process - Google Patents
Based on small incinerator, the exhaust gas processing device of carbide furnace and treatment process Download PDFInfo
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- CN108325301A CN108325301A CN201810320687.5A CN201810320687A CN108325301A CN 108325301 A CN108325301 A CN 108325301A CN 201810320687 A CN201810320687 A CN 201810320687A CN 108325301 A CN108325301 A CN 108325301A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
- B01D47/028—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath by directing the gas through a wetted wire mesh or a perforated plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/12—Washers with plural different washing sections
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
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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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/04—Regenerating the washing fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/08—Means for controlling the separation process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
- B01D2258/0291—Flue gases from waste incineration plants
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
The present invention provides a kind of exhaust gas processing device and tail gas treatment process based on small incinerator, carbide furnace, which includes the three parts to become one：Water tank and water circulation system, spray tower systems and condenser system, above-mentioned three parts are fixed together by waterproof sealing gasket and fastening screw.Tail gas treatment process using above-mentioned exhaust gas processing device is also provided.The device has following features：1, device integration is high, and floor space is small, adaptable；2, high degree of automation, liquid level, which judges to realize, to be automatically replenished, and pressure capsule system automatically controls wind turbine adjusting device internal pressure, and temperature measurer can be automatically controled the operation of condenser.3, the equipment mainly coordinates the vent gas treatment of the burning of the solid waste such as small-sized all kinds of rubbish, sludge, stalk or the disposal facility that is carbonized, usual treatment scale is less than or equal to 100 ton days, the blank of small-sized exhaust treatment system currently on the market is filled up, while cost of equipment maintenance is low.
Description
Technical field
The present invention relates to small-sized exhaust treatment systems, specifically, being related to a kind of tail based on small incinerator, carbide furnace
Flash Gas Compression Skid System and tail gas treatment process based on this device.
Background technology
The small-sized exhaust treatment system for lacking the high-temperature tail gas for processing incinerator or carbide furnace discharge at present, works as front ring
The disposition for protecting solid waste moves towards decentralized, minimizes, is set wherein being disposed based on small incinerator and small-sized carbide furnace
It is standby, it generates a large amount of tail gas during solidification disposal of waste and needs to handle, and current flue gas spray process equipment usually exists：1, it ties
Structure is simple, takes up a large area；2, gas residence time is short, while can not be come into full contact with water mist, to cause spray process to imitate
The low problem of rate.In order to cope with actual production demand, problem above is solved, there is an urgent need for a kind of compact-sized, and greatly improves spray
The exhaust-gas treatment spray column for the treatment of effeciency.
Invention content
The present invention provides a kind of based on small incinerator, the exhaust gas processing device of carbide furnace and based on the tail gas of this device
Treatment process, the equipment be mainly used in small-sized burning facility, carbonization treatment equipment vent gas treatment, fill up small currently on the market
The blank of type exhaust treatment system, while cost of equipment maintenance is low.
In order to solve the above technical problems, the present invention is achieved by the following scheme：
A kind of exhaust gas processing device based on small incinerator, carbide furnace, including the three parts that become one：Water tank and
Water circulation system, spray tower systems and condenser system, above-mentioned three parts are fixed together by waterproof sealing gasket and fastening screw.
Further, the water tank and water circulation system, spray tower systems and condenser system three parts are detachable.
Further, the water tank and water circulation system include water tank, and main filter plate, the storage are equipped in the water tank
Water circulating pump, liquid level gauge is arranged in water tank side, and main filter plate replacement and maintenance of equipment window, water inlet are arranged at the top of the water tank
Mouthful, discharge outlet is arranged in the bottom of storage tank.
Further, the spray tower systems are fixed on the top side of the water tank comprising first shell, it is described
Setting spray system, filter plate inside first shell, the first shell bottom side are arranged smoke inlet, in the first shell
Multiple observations and filter plate exchange screen are set.
Further, pressure capsule system is set at the top of the first shell.
The spray system is mainly made of nozzle, and the quantity and type selecting of specific nozzle are according to by the specific feelings of processing flue gas
Condition carries out type selecting.
The filter plate is made of double-layer stainless steel net inner clip haydite, increases contact area.According to the pollution concentration of flue gas, spray
Leaching system may be selected to be more than or equal to 3 grades (1 grade represents one layer of spray system), and the filter plate may be selected to be more than or equal to 2 grades of (1 grade of generations
One layer of filter plate of table).
Further, the condenser system is fixed at the top of the first shell of the spray tower systems, including second shell,
Condenser, the second shell top side setting gas vent and air inducing wind turbine be set inside the second shell, described the
Watch window, temperature measurer are set on the side wall of two shells.
The tail gas treatment process of above-mentioned exhaust gas processing device, includes the following steps：
1) water tank first injects enough cycling use of waters before working, and water level is automatically controlled by liquid level gauge, by small incinerator
Or smoke inlet of the high-temperature tail gas through spray tower systems bottom of carbide furnace discharge enters in spray column, by spray system to cigarette
Gas cools down, and filters and take away particulate matter, while by the effect with filter plate during flue gas uplink, increases filling for flue gas and water
Tap touches mixing, improves filtration.
It 2), can according to the selection of flue-gas temperature condenser into condenser system after flue gas have passed through spray removal particulate matter
With select without cooling recirculation system condenser also may be selected the condenser with cooling recirculation system, condenser may be selected aluminum,
Copper or glass steel material etc., the work of cooling system can be realized by temperature measurer to be automatically controlled；
3) after flue gas is by condenser, vapor is fully condensed, other are introduced using gas vent and air inducing wind turbine
Processing equipment or direct emission.
Wherein, the running power of air-introduced machine is carried out automatically controlling by pressure capsule system, and pressure capsule system is by pressing
Power transmitter discharge pressure signal again automatically controls wind turbine realization by frequency converter to PLC；Tower pressure interior force is such as sprayed less than normal
Pressure, illustrates that wind turbine air inducing wind-force is excessive, then turns down the running power of wind turbine, illustrates air inducing if spray tower pressure interior force is higher than normal pressure
Wind-force is insufficient, needs to improve wind turbine running power.
Observation and filter plate exchange screen are openable, and stud with silicone sealing strip；Cover board is inlaid with glass, observable cigarette
Gas disposal situation, and replace filter plate after can opening.
The main filter plate is replaced and maintenance of equipment window is openable, and studs with silicone sealing strip, replaceable after unlatching
Main filter plate, while worker can also pass through internal progress troubleshooting and repair.
Generally, vent gas treatment flow is as follows：Tail gas-thermal energy recycling-exhaust gas processing device-activated carbon adsorption-is up to standard
Discharge.
1, it is typically to first pass through thermoconverter to carry out thermal energy recycling (this step is optional, is returned without heat for project is smaller
The project utilized is received without configuration)；
2, tail gas enters key device --- the exhaust gas processing device that the present invention refers to, by processing such as spraying and dedusting coolings
Afterwards, vapor is filtered out using condensation, into activated carbon adsorption device；
It 3, can qualified discharge after activated carbon adsorption.
Compared with prior art, the advantages and positive effects of the present invention are：
The device has following features：
1, device integration is high, is integrated with water circulation filtering system, spray column and condenser system, and floor space is small, adapts to
Property is strong；
2, high degree of automation, liquid level judge to realize that automatic water supplement, pressure capsule system automatically control wind turbine adjusting device
Internal pressure, temperature measurer can be automatically controled the operation of condenser.
3, the equipment be mainly used in small-sized burning facility, carbonization treatment equipment vent gas treatment, fill up currently on the market
The blank of small-sized exhaust treatment system, while cost of equipment maintenance is low.Main application range：It is mainly used for coordinating small-sized all kinds of rubbish
The burning of the solid waste such as rubbish, sludge, stalk or carbonization disposal facility, usual treatment scale are less than or equal to 100 ton days.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the front view of exhaust gas processing device specific embodiment of the present invention；
Fig. 2 is the lateral plan of exhaust gas processing device specific embodiment of the present invention；
Fig. 3 is the vertical view of exhaust gas processing device specific embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and examples pair
The present invention is described in further detail.It should be appreciated that embodiment described herein is only used to explain the present invention, and do not have to
It is of the invention in limiting.
Tail gas treatment device provided in an embodiment of the present invention be mainly used in small-sized burning facility, carbonization treatment equipment tail
The blank of small-sized exhaust treatment system currently on the market is filled up in gas disposal, is mainly used for coordinating small-sized all kinds of rubbish, sludge, straw
The burning of the solid waste such as stalk or carbonization disposal facility, usual treatment scale are less than or equal to 100 ton days.With specific reference to following
Embodiment.
It is specific according to a kind of exhaust gas processing device based on small incinerator, carbide furnace of the present invention with reference to shown in figure 1-3
Three face structural schematic diagrams of embodiment, the exhaust gas processing device include the three parts to become one：Water tank and water circulation system
10, spray tower systems 20 and condenser system 30, above-mentioned three parts are fixed together by waterproof sealing gasket and fastening screw.Usually
For, water tank and water circulation system 10, spray tower systems 20 and 30 three parts of condenser system are detachable, by waterproof sealing gasket and
Fastening screw, which is fixed together, more embodies the high integration of equipment, and floor space is small, adaptable, is mainly used in small-sized burn
Equipment, the vent gas treatment of carbonization treatment equipment are burnt, the blank of small-sized exhaust treatment system currently on the market is filled up.
Wherein, water tank and water circulation system 10 include water tank 11, and main filter plate 12,11 side of water tank are equipped in water tank 11
Water circulating pump 13, liquid level gauge 14 is arranged in face, and main filter plate replacement and maintenance of equipment window 15, water inlet is arranged in 11 top of water tank
16, discharge outlet 17 is arranged in 11 bottom of water tank.Wherein, main filter plate is replaced and maintenance of equipment window 15 is openable, and is studded with
Silicone sealing strip, replaceable main filter plate 12 after unlatching, while worker can also be replaced by main filter plate and maintenance of equipment window 15 into
Enter internal progress troubleshooting and repair.
Wherein, spray tower systems 20 are fixed on the top side of water tank 11 comprising first shell 21, first shell 21
Generally use stainless steel makes, and 21 inside setting spray system 22 of first shell, filter plate 23, spray system 22 is mainly by spraying
Mouth 221 is constituted, and the quantity and type selecting of specific nozzle 221 carry out type selecting according to by the concrete condition of processing flue gas.Filter plate 23 is by double
Layer stainless (steel) wire inner clip haydite composition, increases contact area.According to the pollution concentration of flue gas, spray system 22 may be selected to be more than etc.
In 3 grades (1 grade represents one layer of spray system), which uses 3 grades, and filter plate 23 is optional, and more than or equal to 2 grades, (1 grade represents one
Layer filter plate), which uses 2 grades.Smoke inlet 24 is arranged in 21 bottom side of first shell, is arranged in first shell 21 multiple
Rectangular observation and filter plate exchange screen 25.Observation and filter plate exchange screen 25 are openable, and stud with silicone sealing strip；
Cover board is set in observation and filter plate exchange screen 25, glass, observable fume treatment situation are inlaid on cover board, and can open
Filter plate 23 is replaced afterwards.Pressure capsule system 26 is arranged in 21 top of first shell.
Wherein, condenser system 30 is fixed at the top of the first shell 21 of spray tower systems 20, including second shell 31, and second
Condenser is arranged in 31 inside of shell, and the condenser without cooling recirculation system can be selected according to the selection of flue-gas temperature condenser
The condenser with cooling recirculation system may be selected, which selects the latter, 31 top side of second shell that gas vent is arranged
And air inducing wind turbine 33, setting watch window 34, temperature measurer 35 on the side wall of second shell 31.
The tail gas treatment process of above-mentioned exhaust gas processing device, includes the following steps：
1) water tank 11 first injects enough cycling use of waters before working, and water level is automatically controlled by liquid level gauge 14, is burnt by small-sized
Smoke inlet 24 of the high-temperature tail gas through 20 bottom of spray tower systems for burning stove or carbide furnace discharge enters in spray column, by 3 layers
Spray system is filtered and takes away particulate matter to flue gas cool-down, while by the effect with 2 layers of filter plate 23 during flue gas uplink,
It increases flue gas to mix with coming into full contact with for water, improves filtration.
2) after flue gas have passed through spray removal particulate matter, into condenser system 30, according to the selection of flue-gas temperature condenser
It can select the condenser without cooling recirculation system that the condenser with cooling recirculation system also may be selected, aluminium may be selected in condenser
System, copper or glass steel material etc., the work of cooling system can be realized by temperature measurer 35 to be automatically controlled；
3) after flue gas is by condenser 32, vapor is fully condensed, is introduced using gas vent and air inducing wind turbine 33
Other processing equipments or direct emission, condensed water are discharged by discharge outlet 36.Wherein, the running power of air-introduced machine passes through pressure sensing
System 26 carries out automatically controlling, and pressure capsule system 26 is to pass through frequency converter again to PLC by pressure transmitter discharge pressure signal
Wind turbine realization is automatically controlled；It such as sprays tower pressure interior force and is less than normal pressure, illustrate that wind turbine air inducing wind-force is excessive, then turn down the fortune of wind turbine
Turn power, if spray tower pressure interior force is insufficient higher than air inducing wind-force is illustrated if normal pressure, needs to improve wind turbine running power.
Generally, vent gas treatment flow is as follows：
Tail gas-thermal energy recycling-exhaust gas processing device-activated carbon adsorption-qualified discharge.
It is typically to first pass through thermoconverter to carry out thermal energy recycling (this step is optional, and recuperation of heat is not necessarily to for project is smaller
The project utilized is without configuration), then tail gas enters key device --- the exhaust gas processing device that the present invention refers to, by spray
After the processing such as dedusting cooling, vapor is filtered out using condensation, into activated carbon adsorption device, after activated carbon adsorption,
It can qualified discharge.
The exhaust gas processing device of the present invention, integrated level is high, is integrated with water circulation filtering system, spray column and condenser system,
Floor space is small, adaptable；High degree of automation, liquid level judge to realize that automatic water supplement, pressure capsule system automatically control wind
Machine adjusting device internal pressure, temperature measurer can be automatically controled the operation of condenser；The equipment be mainly used in small-sized burning facility,
The vent gas treatment of carbonization treatment equipment, be mainly used for coordinating the burnings of solid waste such as small-sized all kinds of rubbish, sludge, stalk or
Be carbonized disposal facility, and usual treatment scale is less than or equal to 100 ton days, to fill up small-sized exhaust treatment system currently on the market
Blank, while cost of equipment maintenance is low.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, according to the technical essence of the invention to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (10)
1. a kind of exhaust gas processing device based on small incinerator, carbide furnace, it is characterised in that including three to become one
Point：Water tank and water circulation system, spray tower systems and condenser system, above-mentioned three parts are solid by waterproof sealing gasket and fastening screw
It is scheduled on together.
2. exhaust gas processing device according to claim 1, it is characterised in that：The water tank and water circulation system, spray column system
System and condenser system three parts are detachable.
3. exhaust gas processing device according to claim 1, it is characterised in that：The water tank and water circulation system include water storage
Case, the water tank is interior to be equipped with main filter plate, and the water tank side setting water circulating pump, liquid level gauge, the water tank top is set
It sets main filter plate replacement and discharge outlet is arranged in maintenance of equipment window, water inlet, the bottom of storage tank.
4. exhaust gas processing device according to claim 1, it is characterised in that：The spray tower systems are fixed on the water tank
Top side comprising first shell, setting spray system, filter plate inside the first shell, the first shell bottom
Smoke inlet is arranged in side, and multiple observations and filter plate exchange screen are arranged in the first shell.
5. exhaust gas processing device according to claim 4, it is characterised in that：Setting pressure sensing system at the top of the first shell
System.
6. exhaust gas processing device according to claim 4, it is characterised in that：The spray system is mainly made of nozzle, tool
The quantity and type selecting of body nozzle carry out type selecting according to by the concrete condition of processing flue gas.
7. exhaust gas processing device according to claim 4, it is characterised in that：The filter plate is by double-layer stainless steel net inner clip haydite
Composition.
8. exhaust gas processing device according to claim 4, it is characterised in that：The condenser system is fixed on the spray column system
At the top of the first shell of system, including condenser, the second shell top side is arranged in second shell, the second shell inside
Gas vent and air inducing wind turbine are set, watch window, temperature measurer are set on the side wall of the second shell.
9. a kind of tail gas treatment process using any one of the claims 1-8 exhaust gas processing devices, feature exists
In including the following steps：
1) water tank first injects enough cycling use of waters before working, and water level is automatically controlled by liquid level gauge, by small incinerator or carbon
Change smoke inlet of the high-temperature tail gas through spray tower systems bottom that fire grate goes out to enter in spray column, flue gas is dropped by spray system
Temperature, and filter and take away particulate matter, while by the effect with filter plate during flue gas uplink increases coming into full contact with for flue gas and water
The particulate matter in flue gas is further filtered in mixing；
2) it after flue gas have passed through spray removal particulate matter, into condenser system, can be selected according to the selection of flue-gas temperature condenser
The condenser with cooling recirculation system also may be selected without the condenser of cooling recirculation system, aluminum, copper may be selected in condenser
Or glass steel material, the work of cooling system can be realized by temperature measurer to be automatically controlled；
3) after flue gas is by condenser, vapor is fully condensed, other processing are introduced using gas vent and air inducing wind turbine
Equipment or direct emission.
10. tail gas treatment process according to claim 9, it is characterised in that：The running power of the air-introduced machine passes through pressure
Sensor-based system carries out automatically controlling, and pressure capsule system is to pass through frequency converter again to PLC by pressure transmitter discharge pressure signal
Wind turbine realization is automatically controlled：It such as sprays tower pressure interior force and is less than normal pressure, illustrate that wind turbine air inducing wind-force is excessive, then turn down the fortune of wind turbine
Turn power；As sprayed tower pressure interior force higher than air inducing wind-force is illustrated if normal pressure, need to improve wind turbine running power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320687.5A CN108325301A (en) | 2018-04-08 | 2018-04-08 | Based on small incinerator, the exhaust gas processing device of carbide furnace and treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320687.5A CN108325301A (en) | 2018-04-08 | 2018-04-08 | Based on small incinerator, the exhaust gas processing device of carbide furnace and treatment process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108325301A true CN108325301A (en) | 2018-07-27 |
Family
ID=62932917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810320687.5A Withdrawn CN108325301A (en) | 2018-04-08 | 2018-04-08 | Based on small incinerator, the exhaust gas processing device of carbide furnace and treatment process |
Country Status (1)
| Country | Link |
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| CN (1) | CN108325301A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398741A (en) * | 2021-05-28 | 2021-09-17 | 北京基亚特环保科技有限公司 | Integration deacidification defogging tower device |
-
2018
- 2018-04-08 CN CN201810320687.5A patent/CN108325301A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113398741A (en) * | 2021-05-28 | 2021-09-17 | 北京基亚特环保科技有限公司 | Integration deacidification defogging tower device |
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Application publication date: 20180727 |