CN106621763A - Purification treatment system for incinerator gas - Google Patents
Purification treatment system for incinerator gas Download PDFInfo
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- CN106621763A CN106621763A CN201610953270.3A CN201610953270A CN106621763A CN 106621763 A CN106621763 A CN 106621763A CN 201610953270 A CN201610953270 A CN 201610953270A CN 106621763 A CN106621763 A CN 106621763A
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- Prior art keywords
- waste liquid
- alkali lye
- pump
- treatment system
- liquid
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Classifications
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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
-
- 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
- B01D53/50—Sulfur oxides
-
- 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
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- 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
- B01D53/68—Halogens or halogen compounds
-
- 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
- B01D53/79—Injecting reactants
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/048—Purification of waste water by evaporation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
Abstract
The invention discloses a purification treatment system for an incinerator gas. The purification treatment system for the incinerator gas comprises an exhaust gas treatment subsystem and a waste liquid treatment subsystem, wherein the exhaust gas treatment subsystem comprises a packed absorption column and an alkali liquor spraying device, wherein the waste liquid treatment subsystem comprises a waste liquid evaporation device, a steam condensing device, a drainage device, a vacuum device and a crystal separation device. According to the invention, the purification treatment system for the incinerator gas uses low-boiling circulatory flash evaporation under low pressure to realize continuous purification of exhaust gases and concentration of waste liquid, so that the whole system can realize the cycle operation continuously and effectively; incinerator gas heat is absorbed and used, thereby being capable of lowering the energy consumption, saving resources and lowering cost, and further capable of realizing the purification and standardized discharge of the incinerator gas; the liquid levels of the packed absorption column and the waste liquid evaporation device are monitored and the flow rate of the packed absorption column and the waste liquid evaporation device is adjusted through a control device to realize the automatic and effective operation of the whole system and facilitate improvement of the purification efficiency.
Description
Technical field
The present invention relates to the incineration treatment technology field of rubbish, in particular it relates to a kind of purified treatment system for burning furnace gas
System.
Background technology
Waste incineration is a kind of more ancient traditional waste disposal method, after being processed with burning method due to rubbish, minimizing
Effect is significant, higher than 850 DEG C, volume ratio can reduce 50-80% originally after burning, categorised collection for general in-furnace temperature control
Combustible garbage can even reduce 90% Jing after burning disposal, save land used effect substantially, can also eliminate various pathogen, will have
Malicious harmful substance is converted into harmless object, therefore waste incineration method has become one of main method for the treatment of of urban garbage.Modern rubbish
Rubbish incinerator is all furnished with good smoke and dust purifier, mitigates and even essentially eliminates the pollution to air.But incinerator
The handling process of gas can also produce new polluted absorbing liquid thing while original rubbish is eliminated.Traditional processing method, at place
Generally there are problems that poor effect, high energy consumption, pollution hidden trouble are big, automaticity is low, improvement is halfway in reason absorbing liquid.
The content of the invention
It is an object of the invention to provide a kind of cleaning treatment system for burning furnace gas, is automatically controlled by full-range,
The heat energy for making full use of incineration gases realizes the evaporative crystallization of absorbing liquid, with environment purification, reducing energy consumption, cost-effective, to solve
The problem proposed in certainly above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme：
A kind of cleaning treatment system for burning furnace gas, including vent gas treatment subsystem, liquid waste processing subsystem；
The vent gas treatment subsystem includes packed absorber, alkali lye spray equipment, and described filler absorption tower top is tool
There are certain thickness packing layer, bottom to be alkali lye cavity volume, pending tail gas is by described filler layer lower section, alkali lye cavity volume
The air inlet of side enters packed absorber, and the alkali lye spray equipment to the eminence on described filler absorption tower uninterruptedly sends into alkali
Liquid, alkali lye flows downward from packed absorber eminence Jing packing layer, and pending tail gas is filled out under pressure from filler lower section Jing
Material rises, and fully reacts with alkali lye, and tail gas is discharged by the exhaust outlet located at described filler absorption tower top after the process of generation,
The alkali lye waste liquid of generation is discharged by the waste liquid port located at described filler absorption tower bottom.By the way that alkali lye uninterruptedly to be sent into filler
Absorption tower eminence, under alkali lye drenches from packed absorber eminence, with sulfur dioxide, the chlorination in the tail gas of rising in packed absorber
Hydrogen, hydrogen fluoride, nitrogen oxides etc. fully react, and generate inorganic salts, remove sulfur dioxide, hydrogen chloride, hydrogen fluoride, nitrogen oxides etc.
Tail gas is harmless air after the process of harmful components, can directly be discharged.
The liquid waste processing subsystem includes waste liquid vaporising device, vapour condensation device, drainage arrangement, vacuum plant, crystalline substance
Body separator, the waste liquid vaporising device is connected with packed absorber, the vapour condensation device import with located at waste liquid steam
Transmitting apparatus top gas port connection, vapour condensation device outlet be connected with drainage arrangement upper inlet, the vacuum plant and arrange
Water installations top connect, connect with waste liquid vaporising device, vapour condensation device, the crystal separator with located at waste liquid evaporate
The concentrated solution outlet connection of bottom of device.Here, the effect of vacuum plant is to extract fixed gas out, reduces system pressure, remains useless
The continuous flash distillation of liquid evaporator system.Waste liquid vaporising device realizes evaporation, filler using the lower boiling flash principle of low pressure
The gas pressure on absorption tower is not less than atmospheric pressure, and the gas pressure in waste liquid vaporising device is in the presence of vacuum plant less than big
Air pressure, after the waste liquid of packed absorber enters waste liquid vaporising device, in the environment of dropping under stress, the boiling point of waste liquid declines,
Vapor is evaporated, vapor exchanges heat in vapour condensation device and is condensed into water, discharged in drainage arrangement.Concentrate passes through
Crystal separator carries out crystal separating and filtering, so as to realize that the purification to waste liquid is recycled.
Preferably, the vent gas treatment subsystem includes the alkali lye of air-blast device, the air-blast device and packed absorber
Cavity volume bottom communicates, and the air of compression is blasted in alkali lye.By air-blast device compressed air, at relatively high temperatures, sky can be made
Lower nitrogen oxides, oxysulfide of relatively strong reducing property in oxygen and solution in gas etc. react, generation higher nitrogen oxides,
Oxysulfide, preferably generates inorganic salts with alkaline reaction, lifts assimilation effect.
Preferably, the alkali lye spray equipment includes circulating pump, and the circulating pump is uninterruptedly from described filler absorption tower
Alkali lye cavity volume extracts alkali lye to packing layer.
Preferably, described filler layer is multistage packing layer, is equipped with spray thrower on each packing layer, and the circulating pump is by alkali
Liquid delivers to spray thrower, so as to realize effective absorption of the alkali lye to pending tail gas, each layer is all had new with tail gas reaction
Fresh alkali lye, improves the efficiency to tail gas absorption process.
Preferably, the alkali lye supplementary device includes alkali liquor storage tank, caustic make up pump, and the caustic make up pump is stored up from alkali lye
Tank warp-wise packed absorber supplements alkali lye.
Preferably, the waste liquid vaporising device by feed pump, feed back pump respectively with the alkali lye cavity volume bottom of packed absorber
Portion communicates, and the waste liquid in alkali lye cavity volume is entered waste liquid vaporising device by the feed pump, and the feed back pump will evaporate through waste liquid
The alkali lye blowback alkali lye cavity volume that can be continuing with after the process of device evaporation and concentration, the feed pump, feed back pump are located at from top to bottom
Waste liquid vapo(u)rization system bottom.
Preferably, the crystal separator includes discharging pump, filter pocket, mother liquor pump, and the waste liquid vaporising device bottom side sets
There is a discharging opening, the discharging pump pumps into filter pocket by the bottom waste liquid that discharging opening will be concentrated by evaporation deposition, the filter pocket is by crystal
Separate with filtrate, the filtrate Jing mother liquors pump isolated pumps into packed absorber again to be continued to absorb tail gas.So, it is capable of achieving alkali lye
Make full use of, prevent from causing that alkali lye is wasted and waste liquid is to environment, accomplish zero-emission no pollution.
Preferably, the cleaning treatment system for burning furnace gas includes control device, and the control device is provided with control electricity
Road, is provided with absorption liquid level sensor in packed absorber, liquid level in packed absorber is monitored, control circuit respectively with
Liquid level sensor, caustic make up pump connection are absorbed, liquid level during liquid level sensor monitors packed absorber is as little as certain when absorbing
During degree, caustic make up pump is started by control circuit and supplements alkali lye, the liquid in absorption liquid level sensor monitors packed absorber
When position reach a certain height, then control circuit closes caustic make up pump.So as to make alkali lye in packed absorber remain certain all the time
Liquid level, realize the uninterrupted stable supply of alkali lye.
Preferably, the waste liquid vaporising device is provided with evaporation liquid level sensor, the control circuit respectively with evaporation liquid level
Sensor, feed pump connection, monitor height of liquid level in waste liquid vaporising device, by control circuit control by evaporating liquid level sensor
The keying of feed pump.So as to, make waste liquid in waste liquid vaporising device maintain certain liquid level all the time, waste liquid evaporation is located all the time
In optimum Working.
Preferably, the feed back pump runs all the time, and the evaporation liquid level sensor monitors the liquid in waste liquid vaporising device
Position as little as to a certain degree when, control circuit starts feed pump and the waste liquid in alkali lye cavity volume is pumped in waste liquid vaporising device, when useless
When the liquid level of liquid vaporising device rises to certain altitude, control circuit closes feed pump.
Compared with prior art, the invention has the beneficial effects as follows：The cleaning treatment system for burning furnace gas of the present invention
Using the low boiling dot cycle flash distillation under low-pressure, the concentration of continuous tail gas clean-up and waste liquid is realized, enable whole system even
Continuous effectively circular flow；By to burn furnace gas heat absorb, it is both capable of reducing energy consumption, economize on resources, reduces cost,
Flue gas cleaning and qualified discharge can be realized again；By control device to packed absorber, the liquid level monitoring of waste liquid vaporising device, stream
Amount is adjusted, and the automation for realizing whole system effectively runs, and is conducive to improving purification efficiency.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the block diagram of the control device of the embodiment of the present invention；
Wherein：1. packed absorber, 2. alkali lye cavity volume, 3. air inlet, 4. exhaust outlet, 5. waste liquid port, 6. waste liquid evaporation dress
Put, 7. vapour condensation device, 8. distill water pot, 9. vavuum pump, 10. discharging opening, 11. air blasts, 12. circulating pumps, 13. fillers
Layer, 14. spray throwers, 15, alkali liquor storage tank, 16. caustic make up pump, 17. feed pumps, 18. feed back pumps, 19. discharging pumps, 20. filter pockets,
21. mother liquor pumps, 22. distilled water pumps.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
With reference to shown in Fig. 1, a kind of cleaning treatment system for burning furnace gas, including vent gas treatment subsystem, liquid waste processing point
System；The vent gas treatment subsystem include packed absorber 1, alkali lye spray equipment, the top of described filler absorption tower 1 be with
Certain thickness packing layer, bottom are alkali lye cavity volume 2, and pending tail gas is by described filler layer lower section, alkali lye cavity volume 2
The air inlet 3 of side enters packed absorber 1, and the alkali lye spray equipment is uninterruptedly sent into the eminence on described filler absorption tower 1
Alkali lye, alkali lye flows downward from the eminence Jing filler of packed absorber 1, and pending tail gas is filled out under pressure from filler lower section Jing
Material rises, and fully reacts with alkali lye, and tail gas is by the row of exhaust outlet 4 located at the top of described filler absorption tower 1 after the process of generation
Go out, the alkali lye waste liquid of generation is discharged by the waste liquid port 5 located at the bottom of described filler absorption tower 1.
The liquid waste processing subsystem include waste liquid vaporising device 6, vapour condensation device 7, drainage arrangement, vacuum plant,
Crystal separator, the waste liquid vaporising device 6 is connected with packed absorber 1, and the import of the vapour condensation device 7 is given up with being located at
The gas port connection on the top of liquid vaporising device 6, the outlet of vapour condensation device 7 is connected with drainage arrangement upper inlet, the vacuum holding
Put and be connected with drainage arrangement top, connect with waste liquid vaporising device 6, vapour condensation device 7, the crystal separator be located at
The concentrated solution outlet connection of the bottom of waste liquid vaporising device 6.Here vacuum plant is vavuum pump 9, and drainage arrangement includes distilled water
Pump 22, distillation water pot 8, the effect of vavuum pump 9 is to extract the fixed gas in distillation water pot 8 out, reduces system pressure, maintains waste liquid to steam
Send out the continuous flash distillation of device system.Waste liquid vaporising device 6 is to realize evaporation, packing material absorbing using the lower boiling flash principle of low pressure
The gas pressure of tower 1 is not less than atmospheric pressure, and the gas pressure in waste liquid vaporising device 6 is less than air in the presence of vavuum pump 9
Pressure, after the waste liquid of packed absorber 1 enters waste liquid vaporising device 6, in the environment of dropping under stress, the boiling point of waste liquid declines,
Evaporate vapor, vapor is entered in vapour condensation device 7, vapour condensation device 7 under action of circulating, vapor
Water is condensed into recirculated cooling water heat exchange, in distillation water pot 8, is finally discharged by distilled water pump 22.Concentrate passes through crystal
Separator carries out crystal separating and filtering, so as to realize that the purification to waste liquid is recycled.
The vent gas treatment subsystem includes air-blast device, is here air blast 11, air blast 11 and packed absorber 1
The bottom of alkali lye cavity volume 2 communicates, and the air of compression is blasted in alkali lye.
The alkali lye spray equipment includes circulating pump 12, the uninterrupted alkali from described filler absorption tower 1 of the circulating pump 12
Liquid cavity volume 2 extracts alkali lye to packing layer.
Described filler layer is multistage packing layer, is equipped with spray thrower 14 on each packing layer 13, and the circulating pump 12 is by alkali
Liquid delivers to spray thrower 14, so as to realize that alkali lye absorbs to the multilayer of pending tail gas, each layer is all had and tail gas reaction
Fresh alkali lye, improves the efficiency to tail gas absorption process.
The alkali lye supplementary device includes alkali liquor storage tank 15, caustic make up pump 16, and the caustic make up pump 16 is stored up from alkali lye
15 warp-wise packed absorber of tank 1 supplements alkali lye.
The waste liquid vaporising device 6 by feed pump 17, feed back pump 18 respectively with the bottom of alkali lye cavity volume 2 of packed absorber 1
Portion communicates, and the waste liquid in alkali lye cavity volume 2 is entered waste liquid vaporising device 6, the feed back pump 18 by the Jing waste liquid ports 5 of the feed pump 17
The alkali lye blowback alkali lye cavity volume 2 that will can be continuing with after the process of the evaporation and concentration of waste liquid vaporising device 6, the feed pump 17,
Feed back pump 18 is located at from top to bottom the bottom of waste liquid vaporising device 6.
The crystal separator includes discharging pump 19, filter pocket 20, mother liquor pump 21, and the bottom side of waste liquid vaporising device 6 sets
There is discharging opening 10, the bottom waste liquid for being concentrated by evaporation deposition is pumped into filter pocket 20, the filter by the discharging pump 19 by discharging opening 10
Groove 20 separates crystal with filtrate, and the filtrate Jing mother liquors pump 21 isolated pumps into packed absorber 1 again to be continued to absorb tail gas.This
Sample, is capable of achieving making full use of for alkali lye, prevents from causing alkali lye to waste with waste liquid to environment, accomplishes that zero-emission zero is dirty
Dye.
The cleaning treatment system of furnace gas is burned with reference to described in Fig. 1, Fig. 2 includes control device, and the control device is provided with control
Circuit processed, is provided with absorption liquid level sensor in packed absorber 1, liquid level in packed absorber 1 is monitored, control circuit
It is connected with absorption liquid level sensor, caustic make up pump 16 respectively, the liquid level in absorption liquid level sensor monitors packed absorber 1
When as little as to a certain degree, caustic make up pump 16 is started by control circuit and supplements alkali lye, when liquid level sensor is absorbed filler is monitored
When liquid level reach a certain height in absorption tower 1, then control circuit closes caustic make up pump 16.So as to make alkali in packed absorber 1
Liquid maintains all the time certain liquid level, realizes the uninterrupted stable supply of alkali lye.
The waste liquid vaporising device 6 is provided with evaporation liquid level sensor, the control circuit respectively with evaporation liquid level sensor,
Feed pump 17 connects, and by evaporating liquid level sensor height of liquid level in waste liquid vaporising device 6 is monitored, and is fed by control circuit control
The keying of pump 17.So as to, make waste liquid in waste liquid vaporising device 6 maintain certain liquid level all the time, waste liquid evaporation is located all the time
In optimum Working.
The feed back pump 18 runs all the time, and the evaporation liquid level sensor monitors that the liquid level in waste liquid vaporising device 6 is low
To a certain degree when, control circuit starts feed pump 17 and the waste liquid in alkali lye cavity volume 2 is pumped in waste liquid vaporising device 6, when useless
When the liquid level of liquid vaporising device 6 rises to certain altitude, control circuit closes feed pump 17.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (10)
1. a kind of cleaning treatment system for burning furnace gas, including vent gas treatment subsystem, liquid waste processing subsystem, its feature exists
In the vent gas treatment subsystem includes packed absorber, alkali lye spray equipment, and described filler absorption tower top is with certain
The packing layer of thickness, bottom are alkali lye cavity volume, and pending tail gas is by entering above described filler layer lower section, alkali lye cavity volume
Gas port enters packed absorber, and the alkali lye spray equipment to the eminence on described filler absorption tower uninterruptedly sends into alkali lye, alkali lye
Flow downward from packed absorber eminence Jing filler, pending tail gas rises under pressure from filler lower section Jing fillers, with
Alkali lye fully reacts, and tail gas is discharged by the exhaust outlet located at described filler absorption tower top after the process of generation, the alkali of generation
Liquid waste liquid is discharged by the waste liquid port located at described filler absorption tower bottom；The liquid waste processing subsystem includes waste liquid evaporation dress
Put, vapour condensation device, drainage arrangement, vacuum plant, crystal separator, the waste liquid vaporising device and packed absorber connect
Connect, the vapour condensation device import is connected with the gas port located at waste liquid vaporising device top, vapour condensation device is exported and row
Water installations upper inlet connects, and the vacuum plant is connected with drainage arrangement top, with waste liquid vaporising device, vapour condensation device
Connection, the crystal separator is connected with the concentrated solution outlet located at waste liquid vaporising device bottom.
2. it is according to claim 1 burn furnace gas cleaning treatment system, it is characterised in that the vent gas treatment subsystem
Including air-blast device, the air-blast device is communicated with the alkali lye cavity volume bottom of packed absorber, and the air of compression is blasted into alkali lye
In.
3. the cleaning treatment system for burning furnace gas according to claim 1 and 2, it is characterised in that alkali lye spray dress
Put including circulating pump, the circulating pump uninterruptedly extracts alkali lye to packing layer from the alkali lye cavity volume on described filler absorption tower.
4. it is according to claim 3 burn furnace gas cleaning treatment system, it is characterised in that described filler layer is filled out for multistage
The bed of material, is equipped with spray thrower on each packing layer, alkali lye is delivered to spray thrower by the circulating pump.
5. it is according to claim 4 burn furnace gas cleaning treatment system, it is characterised in that the alkali lye supplementary device bag
Alkali liquor storage tank, caustic make up pump are included, the caustic make up pump supplements alkali lye from alkali liquor storage tank warp-wise packed absorber.
6. it is according to claim 5 burn furnace gas cleaning treatment system, it is characterised in that the waste liquid vaporising device lead to
Cross feed pump, feed back pump to communicate with the alkali lye cavity volume bottom of packed absorber respectively, the feed pump will be useless in alkali lye cavity volume
Liquid enters waste liquid vaporising device, the alkali lye that the feed back pump will can be continuing with after the process of waste liquid vaporising device evaporation and concentration
Blowback alkali lye cavity volume, the feed pump, feed back pump are located at from top to bottom waste liquid vapo(u)rization system bottom.
7. it is according to claim 6 burn furnace gas cleaning treatment system, it is characterised in that the crystal separator bag
Discharging pump, filter pocket, mother liquor pump are included, the waste liquid vaporising device bottom side is provided with discharging opening, and the discharging pump will steam by discharging opening
The bottom waste liquid for sending out concentration deposition pumps into filter pocket, and the filter pocket separates crystal with filtrate, the filtrate Jing mother liquor pump weights isolated
Newly pump into packed absorber to continue to absorb tail gas.
8. it is according to claim 7 burn furnace gas cleaning treatment system, it is characterised in that the purification of the burning furnace gas
Processing system includes control device, and the control device is provided with control circuit, absorption level sensing is provided with packed absorber
Device, is monitored to liquid level in packed absorber, and control circuit is connected respectively with absorption liquid level sensor, caustic make up pump, when
When absorbing liquid level sensor and monitoring in packed absorber liquid level as little as to a certain degree, caustic make up pump is started by control circuit and is mended
Alkali lye is filled, when absorption liquid level sensor monitors that liquid level reach a certain height in packed absorber, then control circuit closes alkali
Liquid make-up pump.
9. it is according to claim 8 burn furnace gas cleaning treatment system, it is characterised in that the waste liquid vaporising device sets
There is evaporation liquid level sensor, the control circuit is connected respectively with evaporation liquid level sensor, feed pump, by evaporating level sensing
Height of liquid level in device monitoring waste liquid vaporising device, by control circuit the keying of feed pump is controlled.
10. it is according to claim 5 burn furnace gas cleaning treatment system, it is characterised in that the feed back pump is transported all the time
OK, when the evaporation liquid level sensor monitors liquid level in waste liquid vaporising device as little as to a certain degree, control circuit start into
Material pump pumps into the waste liquid in alkali lye cavity volume in waste liquid vaporising device, when the liquid level of waste liquid vaporising device rises to certain altitude
When, control circuit closes feed pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610953270.3A CN106621763A (en) | 2016-11-03 | 2016-11-03 | Purification treatment system for incinerator gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610953270.3A CN106621763A (en) | 2016-11-03 | 2016-11-03 | Purification treatment system for incinerator gas |
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| CN106621763A true CN106621763A (en) | 2017-05-10 |
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ID=58820667
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610953270.3A Pending CN106621763A (en) | 2016-11-03 | 2016-11-03 | Purification treatment system for incinerator gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112480974A (en) * | 2020-10-28 | 2021-03-12 | 中石化宁波工程有限公司 | Process for removing peculiar smell of coal gasification vent gas |
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| CN205115086U (en) * | 2015-11-03 | 2016-03-30 | 江苏建晟电力科技有限公司 | Handle device of desulfurization waste water |
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| CN106000048A (en) * | 2016-06-20 | 2016-10-12 | 广东上典环境保护工程有限公司 | Low-temperature desulfuration and denitration system |
| CN206252999U (en) * | 2016-11-03 | 2017-06-16 | 深圳市捷晶能源科技有限公司 | A kind of cleaning treatment system for burning furnace gas |
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