CN107321162A - Kiln gas exhaust apparatus - Google Patents
Kiln gas exhaust apparatus Download PDFInfo
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- CN107321162A CN107321162A CN201710689515.0A CN201710689515A CN107321162A CN 107321162 A CN107321162 A CN 107321162A CN 201710689515 A CN201710689515 A CN 201710689515A CN 107321162 A CN107321162 A CN 107321162A
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- Prior art keywords
- alkali lye
- pond
- alkali
- tower
- grug feeding
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Classifications
-
- 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
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
-
- 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
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- 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
- B01D2247/10—Means for removing the washing fluid dispersed in the gas or vapours
-
- 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
Abstract
The invention discloses kiln gas exhaust apparatus, including desulfurizing tower and water system, desulfurizing tower is by alkali lye and smoke reaction area, alkali lye spraying layer and defogger system are constituted, water system is by process water pond, precipitate pond, circulating water pool and grug feeding jar are constituted, the bottom of desulfurizing tower is provided with outlet of sewer in tower, the top of outlet of sewer is provided with alkali lye and smoke reaction area in tower, alkali lye and the top in smoke reaction area are provided with alkali lye spraying layer, the top of alkali lye spraying layer is provided with defogger system, the top of defogger system is provided with floss hole, the side of defogger system is provided with demister back purge system, alkali lye spraying layer is provided with alkali liquor circulating system, process water pond is provided with clarified water pump, grug feeding jar is provided with two alkali lye, flocculation aid PAM, flocculation aid PAC, the side of circulating water pool is provided with Siphon pot.Double alkali method desulfurizing technology is the sulfur removal technology for being best suited for back yard industry kiln, can be carried out dedusting and desulfurization simultaneously, and can improve efficiency of dust collection.
Description
Technical field
The present invention relates to kiln gas tapping equipment, and in particular to kiln gas exhaust apparatus.
Background technology
It can be produced, it is necessary to consume substantial amounts of resource and the energy during Production of Ceramics, after fuel combustion substantial amounts of to people
SO2 and NOx that body is harmful to, wherein SO2 not only result in serious environmental pollution, and certain influence can be also produced on ceramic mass,
Part sulphur formation sulfide in raw material is mixed into kiln waste gas.Under sunlight irradiation, SO2 is oxidized to SO3, can be with vapor shape
Into sulfuric acid, Acid Rain Pollution environment is easily caused.
The content of the invention
The purpose of the present invention is that provides kiln gas exhaust apparatus to solve the above problems, so as to solve above-mentioned
Problem.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：
The invention provides kiln gas exhaust apparatus, including desulfurizing tower and water system, the desulfurizing tower is by alkali lye and cigarette
Solid/liquid/gas reactions area, alkali lye spraying layer and defogger system are constituted, the water system by process water pond, precipitation pond, circulating water pool and
Medicine system is constituted, and the bottom of the desulfurizing tower is provided with the top of outlet of sewer in outlet of sewer in tower, the tower provided with described
Alkali lye and smoke reaction area, the alkali lye and the top in smoke reaction area are provided with the alkali lye spraying layer, the alkali lye spraying layer
Top be provided with the defogger system, the top of the defogger system is provided with floss hole, the side of the defogger system
Provided with demister back purge system, the alkali lye spraying layer is provided with alkali liquor circulating system, and the process water pond is provided with clear water
Pump, alkali lye grug feeding jar A, alkali lye grug feeding jar B, PAC grug feeding jar, PAM grug feeding jars, flocculation aid pond and flocculant pond, it is described to follow
The side in ring pond is provided with Siphon pot, and the side of the Siphon pot is provided with circulating pump.
As a preferred technical solution of the present invention, the alkali lye spraying layer is provided with tower outer wall, the tower outer wall
Outside is provided with liquid pipe, and the alkali lye spraying layer is provided with several liquid shower pipes, and the liquid shower pipe is provided with several liquid mouths.
As a preferred technical solution of the present invention, the defogger system is provided with several tube bank demisters.
As a preferred technical solution of the present invention, the alkali lye spraying layer by the alkali liquor circulating system with it is described
Circulating pump is connected, and the circulating pump is connected with the Siphon pot, and the defogger system passes through the demister back purge system
It is connected with the clarified water pump, the clarified water pump is connected with the process water pond.
As a preferred technical solution of the present invention, the precipitation pond respectively with the alkali lye grug feeding jar A, the alkali
Liquid grug feeding jar B, the PAC grug feeding jars, the PAM grug feeding jars, the flocculation aid pond are connected with the flocculant pond.
As a preferred technical solution of the present invention, the alkali lye spraying layer refers to sodium carbonate or sodium hydroxide solution
For the SO in the first Alkali absorption flue gas, generation sodium sulfite and solution of sodium bisulfite add soda into sulfur removing pregnant solution, are allowed to
It is converted into alkaline sodium sulfite absorbing liquid and sends absorption tower recycling back to, due to using soda lye as absorbing liquid, in the absence of knot
Dirt and slurry blockage problem, and sodium salt absorption rate is faster than calcium salt speed, required liquid-gas ratio is much lower, can save power
Consumption, liquid caustic soda, the piece alkali aboundresources needed in addition is cheap；So as to reduce the operating cost in equipment later stage.
As a preferred technical solution of the present invention, the alkali liquor circulating system refers to that spray waste liquid is through described de- in tower
Sulphur bottom of towe is emitted into backwater ditch, and the backwater ditch sewage, which is added into behind the flocculation aid pond and the flocculant pond, enters institute
Precipitation pond is stated, pool bottom sludge periodically delivers to filter press by sludge delivery pump and carries out outer row, precipitation pond last time after press filtration
Overflow clear liquid flows into the circulating water pool, and the alkaline absorption solution in the circulating water pool is continued cycling through and squeezes into institute by the circulating pump
Alkali lye spraying layer is stated, is recycled.
As a preferred technical solution of the present invention, the medicine system is provided with grug feeding jar, and the grug feeding jar refers to
Alkali lye A on the alkali lye grug feeding jar A, the alkali lye B on the alkali lye grug feeding jar B and flocculation aid on the flocculation aid pond and
The addition equipment of flocculant on the flocculant pond, capital equipment has the grug feeding jar and stirring structure, equipped with pH value
Detection.
As a preferred technical solution of the present invention, the defogger system refers to Defrosting structure, chooses the tube bank
Demister, can intercept the particulate matter of smaller diameter, make the particulate matter of discharge flue gas less.
As a preferred technical solution of the present invention, the desulfurizing tower and the water system can be done by PLC controls
To the running situation of monitoring medicament and complete equipment at any time, with real-time monitoring equipment adapted, the discharge of flue gas is known that at any time
Value whether legal national standard.
The beneficial effect that is reached of the present invention is：The device is kiln gas exhaust apparatus, and double alkali method desulfurizing technology is most
Suitable for the sulfur removal technology of back yard industry kiln, particularly absorption tower, dedusting and desulfurization can simultaneously be carried out, and can improve and remove
Dirt efficiency.Had the characteristics that for the double alkali method desulfurizing technology of small-sized industrial boiler：
(1) soda absorbent reactivity height, infiltration rate are fast, it is possible to decrease liquid-gas ratio, so that operating cost can be both reduced,
The investment of pond, water pump and pipeline can be reduced again；
(2) liquid phase in Ta Nei and circulating line is soda clear liquid, and the solubility of absorbent is larger, regeneration and precipitation separation
Outside tower, the fouling chance in Ta Nei and pipe can be substantially reduced；
(3) soda is recycled, and loss is few, and operating cost is low；Absorption process non-wastewater discharge under normal operating；
(4) waste liquid easily precipitates separation after the spray of absorption tower, can substantially reduce the investment in pond；
(5) solid product is nontoxic after desulfurization, and solubility is minimum, non-secondary pollution, can comprehensively utilize；
(6) easy to operate, system can longtime running stabilization.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, the reality with the present invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the profile of alkali lye spraying layer of the present invention；
Fig. 3 is the profile of demister system of the present invention；
In figure：1st, desulfurizing tower；2nd, water system；3rd, alkali lye and smoke reaction area；4th, alkali lye spraying layer；5th, defogger system；
6th, floss hole；7th, demister back purge system；8th, alkali liquor circulating system；9th, outlet of sewer in tower；10th, process water pond；11st, clear water
Pump；12nd, alkali lye grug feeding jar A；13rd, alkali lye grug feeding jar B；14th, PAC grug feeding jars；15th, PAM grug feeding jars；16th, flocculation aid pond；17、
Flocculant pond；18th, pond is precipitated；19th, circulating water pool；20th, Siphon pot；21st, circulating pump；22nd, tower outer wall；23rd, liquid pipe；24、
Liquid shower pipe；25th, liquid mouth；26th, demister is restrained.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1
As Figure 1-3, the present invention provides kiln gas exhaust apparatus, including desulfurizing tower 1 and water system 2, desulfurizing tower 1 by
Alkali lye is constituted with smoke reaction area 3, alkali lye spraying layer 4 and defogger system 5, and water system 2 is by process water pond 10, precipitation pond
18th, circulating water pool 19 and medicine system are constituted, and the bottom of desulfurizing tower 1 is provided with the top of outlet of sewer 9 in outlet of sewer 9 in tower, tower
End is provided with alkali lye spraying layer 4 provided with alkali lye and smoke reaction area 3, alkali lye and the top in smoke reaction area 3, alkali lye spraying layer 4
Top is provided with defogger system 5, and the top of defogger system 5 is provided with floss hole 6, and the side of defogger system 5 is provided with demister
Back purge system 7, alkali lye spraying layer 4 is provided with alkali liquor circulating system 8, and process water pond 10 is provided with clarified water pump 11, alkali lye dosing
Tank A12, alkali lye grug feeding jar B13, PAC grug feeding jar 14, PAM grug feeding jars 15, flocculation aid pond 16 and flocculant pond 17, recirculated water
The side in pond 19 is provided with Siphon pot 20, and the side of Siphon pot 20 is provided with circulating pump 21.
Alkali lye spraying layer 4 is provided with tower outer wall 22, and the outside of tower outer wall 22 is provided with liquid pipe 23, and alkali lye spraying layer 4 is provided with
Several liquid shower pipes 24, liquid shower pipe 24 is provided with several liquid mouths 25.
Defogger system 5 is provided with several tube bank demisters 26.
Alkali lye spraying layer 4 is connected by alkali liquor circulating system 8 with circulating pump 21, and circulating pump 21 is connected with Siphon pot 20, removes
Day with fog system 5 is connected by demister back purge system 7 with clarified water pump 11, and clarified water pump 11 is connected with process water pond 10.
Precipitate pond 18 respectively with alkali lye grug feeding jar A12, alkali lye grug feeding jar B13, PAC grug feeding jar 14, PAM grug feeding jars 15,
Flocculation aid pond 16 is connected with flocculant pond 17.
Alkali lye spraying layer 4 refers to using sodium carbonate or sodium hydroxide solution as the SO2 in the first Alkali absorption flue gas, generates sulfurous
Sour sodium and solution of sodium bisulfite, soda is added into sulfur removing pregnant solution, is allowed to be converted into alkaline sodium sulfite absorbing liquid and is sent suction back to
Tower is received to recycle, due to using soda lye as absorbing liquid, in the absence of fouling and slurry blockage problem, and sodium salt absorption rate
Faster than calcium salt speed, required liquid-gas ratio is much lower, can save power consumption, and the liquid caustic soda that needs in addition, piece alkali resource are rich
Richness, it is cheap；So as to reduce the operating cost in equipment later stage.
Alkali liquor circulating system 8 refers to that spray waste liquid is emitted into backwater ditch through the bottom of desulfurizing tower 1 in tower, and backwater ditch sewage is added into
Enter precipitation pond 18 behind flocculation aid pond 16 and flocculant pond 17, pool bottom sludge periodically delivers to filter press by sludge delivery pump
Outer row after press filtration is carried out, precipitation pond 18 last time overflow clear liquid flows into circulating water pool 19, and circulating pump 21 is by circulating water pool 19
Alkaline absorption solution, which is continued cycling through, squeezes into alkali lye spraying layer 4, recycles.
Medicine system is provided with grug feeding jar, and grug feeding jar refers on alkali lye A, alkali lye grug feeding jar B13 on alkali lye grug feeding jar A12
Alkali lye B and the flocculation aid on flocculation aid pond 16 and the flocculant on flocculant pond 17 addition equipment, capital equipment has
Grug feeding jar and stirring structure, are detected equipped with pH value.
Defogger system 5 refers to Defrosting structure, chooses tube bank demister 26, can intercept the particulate matter of smaller diameter, make row
The particulate matter for putting flue gas is less.
Desulfurizing tower 1 and water system 2 can accomplish to monitor the running situation of medicament and complete equipment at any time by PLC controls,
With real-time monitoring equipment adapted, the whether legal national standard of discharge value of flue gas is known that at any time.
The device is kiln gas exhaust apparatus, and this invention kiln gas exhaust apparatus is mainly used in being used for ceramic industry
Kiln desulfurization, alkali lye spraying layer 4, alkali liquor circulating system 8, medicine system, defogger system 5, electricity are included in present device
Control system etc..Alkali lye spraying layer 4 refers to that using sodium carbonate or sodium hydroxide solution as the SO2 in the first Alkali absorption flue gas generation is sub-
Sodium sulphate and solution of sodium bisulfite, soda is added into sulfur removing pregnant solution, is allowed to be converted into alkaline sodium sulfite absorbing liquid and is sent back to
Absorption tower is recycled.Because using soda lye, as absorbing liquid, in the absence of fouling and slurry blockage problem, and sodium salt absorbs speed
Rate is faster than calcium salt speed, and required liquid-gas ratio is much lower, can save power consumption.In addition the liquid caustic soda that needs, piece alkali resource
It is abundant, it is cheap；So as to reduce the operating cost in equipment later stage.Alkali liquor circulating system 8 refers to that spray waste liquid is through desulfurization in tower
The bottom of tower 1 is emitted into backwater ditch, and backwater ditch sewage, which is added into after flocculation aid 16 and flocculant 17, enters precipitation pond 18, pool bottom sludge
Filter press is periodically delivered to by sludge delivery pump and carries out outer row after press filtration, precipitation pond 18 last time overflow clear liquid flows into circulating water pool
19, circulating pump 21, which continues cycling through the alkaline absorption solution in circulating water pool 19, squeezes into alkali lye spraying layer 4, recycles.Dosing system
System is provided with grug feeding jar, and grug feeding jar refers to the alkali lye A on alkali lye grug feeding jar A12, the alkali lye B on alkali lye grug feeding jar B13 and helps solidifying
The addition equipment of flocculation aid on agent pond 16 and the flocculant on flocculant pond 17, capital equipment has grug feeding jar and stirring knot
Structure, is detected equipped with pH value.Defogger system 5 refers to Defrosting structure, chooses tube bank demister 26, can intercept of smaller diameter
Grain thing, makes the particulate matter of discharge flue gas less.Electric-control system can accomplish that monitoring medicament and the whole series at any time sets by PLC controls
Standby running situation.With real-time monitoring equipment adapted, the whether legal national standard of discharge value of flue gas is known that at any time.
Result of every value Jing Guo long-term experiment in the invention of this secondary design.For entering desulfurizing tower, wind speed at the beginning of flue gas
Value is typically designed for 10m/s-15m/s, this design value is 10m/s, this wind speed chooses the mobility that both can ensure that flue gas, again
The loss to other equipment can be reduced；And the entrance of flue is oblique in 78 degree of angles with tower wall, reduces flue gas in tower into eddy flow whirlpool.
The reaction speed in tower, this design value 3m/s.Flue entrance center to the minimum interlamellar spacing ＞ 9m of spray system, allow flue gas with
Alkali lye has the enough reaction time；Alkali lye spray is inversely contacted with flue gas from bottom to top in design, greatly increases time of contact,
After flue-gas temperature is reduced to the temperature suitably reacted, SO2, NO2 and alkaline absorption solution reaction in flue gas are removed.Flue gas
After absorption slurry wash through Multi-layer sprinkling, then by the tube bank demister on absorption tower top, retain the fine droplet in flue gas
By smoke stack emission, tube bank demister can intercept the dust of smaller diameter, make the dust content of discharge lower.
The beneficial effect that is reached of the present invention is：The device is kiln gas exhaust apparatus, and double alkali method desulfurizing technology is most
Suitable for the sulfur removal technology of back yard industry kiln, particularly absorption tower, dedusting and desulfurization can simultaneously be carried out, and can improve and remove
Dirt efficiency.Had the characteristics that for the double alkali method desulfurizing technology of small-sized industrial boiler：Soda absorbent reactivity is high, absorb
Speed is fast, it is possible to decrease liquid-gas ratio, so as to can both reduce operating cost, the investment of pond, water pump and pipeline can be reduced again；In tower and
Liquid phase in circulating line is soda clear liquid, and the solubility of absorbent is larger, and regeneration and precipitation separation can be substantially reduced outside tower
Fouling chance in tower and in pipe；Soda is recycled, and loss is few, and operating cost is low；Absorption process is without waste water under normal operating
Discharge；Waste liquid easily precipitates separation after the spray of absorption tower, can substantially reduce the investment in pond；Solid product is nontoxic after desulfurization, dissolving
Minimum, non-secondary pollution is spent, can be comprehensively utilized；Easy to operate, system can longtime running stabilization.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (10)
1. kiln gas exhaust apparatus, including desulfurizing tower (1) and water system (2), it is characterised in that the desulfurizing tower (1) is by alkali
Liquid is constituted with smoke reaction area (3), alkali lye spraying layer (4) and defogger system (5), and the water system (2) is by process water pond
(10), precipitation pond (18), circulating water pool (19) and medicine system are constituted, and the bottom of the desulfurizing tower (1) is provided with sewage in tower
Export (9), the top of outlet of sewer (9) is provided with the alkali lye and smoke reaction area (3) in the tower, and the alkali lye and flue gas are anti-
The top in area (3) is answered to be provided with the alkali lye spraying layer (4), the top of the alkali lye spraying layer (4) is provided with the defogger system
(5), the top of the defogger system (5) is provided with floss hole (6), and the side of the defogger system (5) is anti-provided with demister
Flusher (7), the alkali lye spraying layer (4) is provided with alkali liquor circulating system (8), and the process water pond (10) is provided with clear water
Pump (11), alkali lye grug feeding jar A (12), alkali lye grug feeding jar B (13), PAC grug feeding jars (14), PAM grug feeding jars (15), flocculation aid pond
(16) and flocculant pond (17), the side of the circulating water pool (19) is provided with Siphon pot (20), the one of the Siphon pot (20)
Side is provided with circulating pump (21).
2. kiln gas exhaust apparatus according to claim 1, it is characterised in that the alkali lye spraying layer (4) is provided with
Tower outer wall (22), the outside of the tower outer wall (22) is provided with liquid pipe (23), and the alkali lye spraying layer (4) is drenched provided with several liquid
Manage (24), the liquid shower pipe (24) is provided with several liquid mouths (25).
3. kiln gas exhaust apparatus according to claim 1, it is characterised in that the defogger system (5) is provided with
Several tube bank demisters (26).
4. kiln gas exhaust apparatus according to claim 1, it is characterised in that the alkali lye spraying layer (4) passes through institute
State alkali liquor circulating system (8) with the circulating pump (21) to be connected, the circulating pump (21) is connected with the Siphon pot (20), described
Defogger system (5) is connected by the demister back purge system (7) with the clarified water pump (11), the clarified water pump (11) with
The process water pond (10) is connected.
5. kiln gas exhaust apparatus according to claim 1, it is characterised in that the precipitation pond (18) respectively with institute
State alkali lye grug feeding jar A (12), the alkali lye grug feeding jar B (13), the PAC grug feeding jars (14), the PAM grug feeding jars (15), institute
Flocculation aid pond (16) is stated with the flocculant pond (17) to be connected.
6. kiln gas exhaust apparatus according to claim 1, it is characterised in that the alkali lye spraying layer (4) refer to
Sodium carbonate or sodium hydroxide solution are the SO2 in the first Alkali absorption flue gas, generation sodium sulfite and solution of sodium bisulfite, to de-
Soda is added in sulphur rich solution, is allowed to be converted into alkaline sodium sulfite absorbing liquid and sends absorption tower recycling back to, due to using soda
Liquid is as absorbing liquid, and in the absence of fouling and slurry blockage problem, and sodium salt absorption rate is faster than calcium salt speed, required liquid gas
Than much lower, power consumption can be saved, liquid caustic soda, the piece alkali aboundresources needed in addition is cheap；So as to reduce after equipment
The operating cost of phase.
7. kiln gas exhaust apparatus according to claim 1, it is characterised in that the alkali liquor circulating system (8) refers to
Spray waste liquid is emitted into backwater ditch through the desulfurizing tower (1) bottom in tower, and the backwater ditch sewage is added into the flocculation aid pond
(16) and the flocculant pond (17) enters the precipitation pond (18) afterwards, pool bottom sludge periodically delivers to pressure by sludge delivery pump
Filter carries out outer row after press filtration, and precipitation pond (18) the last time overflow clear liquid flows into the circulating water pool (19), the circulation
Pump (21), which continues cycling through the alkaline absorption solution in the circulating water pool (19), squeezes into the alkali lye spraying layer (4), recycles.
8. kiln gas exhaust apparatus according to claim 1, it is characterised in that the medicine system is provided with dosing
Tank, the grug feeding jar refer to the alkali lye A on the alkali lye grug feeding jar A (12), the alkali lye B on the alkali lye grug feeding jar B (13) and
The addition equipment of flocculation aid on the flocculation aid pond (16) and the flocculant on the flocculant pond (17), capital equipment
There are the grug feeding jar and stirring structure, detected equipped with pH value.
9. kiln gas exhaust apparatus according to claim 3, it is characterised in that the defogger system (5) refers to remove
Mist structure, chooses the tube bank demister (26), can intercept the particulate matter of smaller diameter, make the particulate matter of discharge flue gas less.
10. kiln gas exhaust apparatus according to claim 1, it is characterised in that the desulfurizing tower (1) and the water system
(2) are united by PLC controls, can accomplish to monitor the running situation of medicament and complete equipment at any time, and real-time monitoring equipment adapted,
At any time it is known that the whether legal national standard of the discharge value of flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689515.0A CN107321162A (en) | 2017-08-14 | 2017-08-14 | Kiln gas exhaust apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689515.0A CN107321162A (en) | 2017-08-14 | 2017-08-14 | Kiln gas exhaust apparatus |
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| CN107321162A true CN107321162A (en) | 2017-11-07 |
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ID=60226409
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710689515.0A Pending CN107321162A (en) | 2017-08-14 | 2017-08-14 | Kiln gas exhaust apparatus |
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| CN (1) | CN107321162A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557777A (en) * | 2018-03-13 | 2018-09-21 | 杨奕颉 | A kind of production technology of sodium sulfite |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101927128A (en) * | 2009-06-23 | 2010-12-29 | 扬州鑫科环保成套设备有限公司 | Desulphurization equipment group and working method thereof |
Non-Patent Citations (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557777A (en) * | 2018-03-13 | 2018-09-21 | 杨奕颉 | A kind of production technology of sodium sulfite |
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Application publication date: 20171107 |