CN108744939A - A kind of kiln gas environment-friendly processing unit - Google Patents
A kind of kiln gas environment-friendly processing unit Download PDFInfo
- Publication number
- CN108744939A CN108744939A CN201811033066.5A CN201811033066A CN108744939A CN 108744939 A CN108744939 A CN 108744939A CN 201811033066 A CN201811033066 A CN 201811033066A CN 108744939 A CN108744939 A CN 108744939A
- Authority
- CN
- China
- Prior art keywords
- collection case
- smoke chamber
- fume collection
- processing unit
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 239000000779 smoke Substances 0.000 claims abstract description 29
- 239000003517 fume Substances 0.000 claims abstract description 24
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 21
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004202 carbamide Substances 0.000 claims abstract description 21
- 239000003546 flue gas Substances 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 20
- 230000004888 barrier function Effects 0.000 claims abstract description 19
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011796 hollow space material Substances 0.000 claims abstract description 4
- 238000010943 off-gassing Methods 0.000 claims abstract description 4
- 239000002699 waste material Substances 0.000 claims description 5
- 239000011449 brick Substances 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 238000006477 desulfuration reaction Methods 0.000 abstract description 3
- 230000023556 desulfurization Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
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
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of kiln gas environment-friendly processing units, it include kiln body, the spaced barrier with blow vent is distributed in the smoke chamber of kiln body, the spray system of spray urea liquid is additionally provided in kiln body, spray system includes multiple nozzles, hollow space above between the barrier that nozzle is respectively set, the bottom of smoke chamber is equipped with collecting tank, collecting tank is set up in parallel to be multiple along the outgassing direction of smoke chamber, the outlet side of smoke chamber is communicated with fume collection case, guide plate is distributed in fume collection case, guide plate is obliquely installed every dislocation between the upper and lower, the top end part of fume collection case is equipped with water injection system, the top of fume collection case is equipped with gas outlet.The present invention to it in its smoke chamber by carrying out desulfurization process, reacting for urea liquid and NO and NO2 is greatly increased, improves denitration effect, and pass through the structure of water injection system and guide plate in fume collection case, further dedusting can be carried out to its flue gas, clean-up effect is relatively good.
Description
Technical field：
The present invention relates to kiln gas processing technology fields, relate generally to a kind of kiln gas environment-friendly processing unit.
Background technology：
It is divided into two parts of melting furnace and smoke chamber, connection wall the right and left of melting furnace and smoke chamber in horse-shoe flame furnace
It is each to be to form flame sky into air and fuel on one side, be flue gas on one side, form semicircular arc-shaped as horseshoe there are one hole, therefore
Referred to as horse-shoe flame furnace, flue gas enter smoke chamber, a large amount of NO and NO2 are contained in flue gas after coming out, flue gas generally passes through flue gas
Directly extracted out by wind turbine behind room, using spray urea liquid denitration after extraction, flue gas after smoke chamber temperature from 900-
100 degree become 400 degree or so, and for spray urea liquid because temperature only has 400 degree or so, reaction effect is poor, and denitration effect is poor, makes
It is very serious at atmosphere pollution, it is much had been switched off, and the dust in flue gas is very because of pollution cause similar to factory at home
It is directly discharged to pollute air in air, it is therefore desirable to purify it more.
Invention content：
The object of the invention is exactly to provide a kind of kiln gas environment-friendly processing unit to make up the defect of prior art, is led to
It crosses and carries out desulfurization process to it and further dedusting is carried out to flue gas, denitration effect is made to reach national requirements for environmental protection, discharge
Flue gas does not pollute air.
The present invention is achieved by the following technical solutions：
A kind of kiln gas environment-friendly processing unit, includes kiln body, it is characterised in that：The flue gas of the kiln body
Indoor distribution has the spaced barrier with blow vent, and the spray of spray urea liquid is additionally provided in the kiln body
System, the spray system include multiple nozzles, hollow space above, institute between the barrier that the nozzle is respectively set
The bottom for stating smoke chamber is equipped with collecting tank, and the collecting tank is set up in parallel to be multiple along the outgassing direction of smoke chamber, the cigarette
The outlet side of gas chamber is communicated with fume collection case, guide plate is distributed in the fume collection case, the guide plate is between the upper and lower every dislocation
It is obliquely installed, the top end part of the fume collection case is equipped with water injection system, and the top of the fume collection case is equipped with gas outlet.
The barrier is piled up by vertical six bricks.
Multiple grid-like blow vents are distributed in the barrier respectively, and the blow vent between adjacent barrier is wrong
Position setting.
A concentration of the 20% of the urea liquid.
Liquid outlet is distinguished in the bottom end of the collecting tank, and the collecting tank liquid outlet of smoke chamber front end bottom end passes through pipeline
It is connected to waste liquid tank, the collecting tank liquid outlet of rear end bottom end is connected to urea liquid standby storage tank, the urine by pipeline
The liquid outlet of plain solution for standby storage tank is by pipeline to the spray system feed flow of front end.
Guide plate one end in the fume collection case is connect with babinet, and the other end is at regular intervals with babinet.
The bottom of the fume collection case is that taper is bucket-shaped, and bottom end is equipped with outlet tube, and the outlet of the outlet tube is logical
Piping is connected to the bottom end of wastewater disposal basin.
Its principle is：Increase blocking wall construction in hollow smoke chamber, it is described to stop that six bricks that stand like a wall are thicker, and set
Be set to the outlet for facilitating flue gas with multiple blow vents and heat dissipation, flue gas along the blow vent of barrier to gas outlet outlet, and
Spray system is arranged in space above between each barrier, on the one hand extends flue gas in the indoor trend of flue gas and operation
Between, on the other hand spray system in smoke chamber is set, 20% urea liquid is sprayed, because flue-gas temperature reaches 900 in smoke chamber
Degree left and right, greatly increases reacting for urea liquid and NO and NO2, becomes nitrogen and vapor, improve denitration effect, de-
Nitre effect reaches national requirements for environmental protection, by the structure for the collecting tank that smoke chamber bottom end is set up in parallel, on the one hand can be to reaction after
Solution be collected, on the other hand due to urea liquid and when smoke reaction, the solution of front end can react abundant, rear
Since the comparision contents of NO and NO2 are low, urea liquid then will not fully react, if be discharged into waste liquid tank together, can make
It at a degree of waste, is individually independently arranged, the urea liquid at smoke chamber rear can be collected, be supplied again to flue gas
It in the spray system of room front end, is discharged again after so that it is fully reacted, has reached the reasonable utilization of resource.Also there is certain journey simultaneously
The dust removing effects of degree, by the structure of water injection system and guide plate in the fume collection case of smoke chamber outlet side, can to its flue gas into
The further dedusting of row, clean-up effect are relatively good.
It is an advantage of the invention that：
Structure of the invention reasonable design greatly increases urea by carrying out desulfurization process to it in its smoke chamber
Solution is reacted with NO's and NO2, becomes nitrogen and vapor, improves 60% denitration effect, and pass through smoke chamber outlet side cigarette
The structure of water injection system and guide plate in gas collecting box can carry out further dedusting to its flue gas, and clean-up effect is relatively good.
Description of the drawings：
Fig. 1 is the structural diagram of the present invention.
Specific implementation mode：
Referring to attached drawing.
A kind of kiln gas environment-friendly processing unit includes kiln body 1, the flue gas indoor distribution of the kiln body 1
There is the spaced barrier 2 with blow vent, the spray system of spray urea liquid be additionally provided in the kiln body 1,
The spray system includes multiple nozzles 3, and hollow space above, described between the barrier 2 that the nozzle 3 is respectively set
The bottom of smoke chamber 4 is equipped with collecting tank 5, and the collecting tank 5 is that multiple outgassing directions along smoke chamber 4 are set up in parallel, described
The outlet side of smoke chamber 4 is communicated with fume collection case 13, and guide plate 6, about 6 guide plate are distributed in the fume collection case 13
Interval dislocation is obliquely installed, and the top end part of the fume collection case 5 is equipped with water injection system, and the top of the fume collection case 5 is set
There is gas outlet 7.
The barrier 2 is piled up by vertical six bricks.
Multiple grid-like blow vents, and the blow vent between adjacent barrier 2 is distributed in the barrier 2 respectively
It shifts to install.
A concentration of the 20% of the urea liquid.
Liquid outlet 8 is distinguished in the bottom end of the collecting tank 5, and the collecting tank liquid outlet of 4 front end bottom end of smoke chamber passes through
Pipeline is connected to waste liquid tank 9, and the collecting tank liquid outlet of rear end bottom end is connected to urea liquid standby storage tank 10 by pipeline,
The liquid outlet of the urea liquid standby storage tank 10 is by pipeline to the spray system feed flow of front end.
6 one end of guide plate in the fume collection case 5 is connect with babinet, and the other end is at regular intervals with babinet.
The bottom of the fume collection case 5 is that taper is bucket-shaped, and bottom end is equipped with outlet tube 11, and the outlet tube 11 goes out
Mouth is connected to the bottom end of wastewater disposal basin 12 by pipeline.
Claims (7)
1. a kind of kiln gas environment-friendly processing unit, includes kiln body, it is characterised in that：The smoke chamber of the kiln body
The spaced barrier with blow vent is inside distributed with, the spray system of spray urea liquid is additionally provided in the kiln body
System, the spray system include multiple nozzles, and hollow space above, described between the barrier that the nozzle is respectively set
The bottom of smoke chamber is equipped with collecting tank, and the collecting tank is set up in parallel to be multiple along the outgassing direction of smoke chamber, the flue gas
The outlet side of room is communicated with fume collection case, and guide plate is distributed in the fume collection case, and the guide plate inclines every dislocation between the upper and lower
The top end part of tiltedly setting, the fume collection case is equipped with water injection system, and the top of the fume collection case is equipped with gas outlet.
2. kiln gas environment-friendly processing unit according to claim 1, it is characterised in that：The barrier is by founding six bricks
Block is piled up.
3. kiln gas environment-friendly processing unit according to claim 1, it is characterised in that：Divide respectively in the barrier
Multiple grid-like blow vents are furnished with, and the blow vent between adjacent barrier shifts to install.
4. kiln gas environment-friendly processing unit according to claim 1, it is characterised in that：The concentration of the urea liquid
It is 20%.
5. kiln gas environment-friendly processing unit according to claim 1, it is characterised in that：The bottom end of the collecting tank point
Other liquid outlet, and the collecting tank liquid outlet of smoke chamber front end bottom end is connected to waste liquid tank, the receipts of rear end bottom end by pipeline
Collection slot liquid outlet is connected to urea liquid standby storage tank by pipeline, and the liquid outlet of the urea liquid standby storage tank passes through
Spray system feed flow of the pipeline to front end.
6. kiln gas environment-friendly processing unit according to claim 1, it is characterised in that：In the fume collection case
Guide plate one end is connect with babinet, and the other end is at regular intervals with babinet.
7. kiln gas environment-friendly processing unit according to claim 6, it is characterised in that：The bottom of the fume collection case
Portion is that taper is bucket-shaped, and bottom end is equipped with outlet tube, and the outlet of the outlet tube is connected to the bottom end of wastewater disposal basin by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811033066.5A CN108744939A (en) | 2018-09-05 | 2018-09-05 | A kind of kiln gas environment-friendly processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811033066.5A CN108744939A (en) | 2018-09-05 | 2018-09-05 | A kind of kiln gas environment-friendly processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108744939A true CN108744939A (en) | 2018-11-06 |
Family
ID=63968134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811033066.5A Pending CN108744939A (en) | 2018-09-05 | 2018-09-05 | A kind of kiln gas environment-friendly processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108744939A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112973323A (en) * | 2021-04-19 | 2021-06-18 | 佛山市粤金海机械设备有限公司 | Coking coke oven flue gas multi-pollutant coprocessing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203389527U (en) * | 2013-08-19 | 2014-01-15 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Low-temperature multi-effect flue gas treatment device |
| CN204672062U (en) * | 2015-05-06 | 2015-09-30 | 浙江久灵塑料制品有限公司 | A kind of Water-curtain paint mist purification device |
| CN207769439U (en) * | 2017-12-29 | 2018-08-28 | 眉山市博眉启明星铝业有限公司 | A kind of UTILIZATION OF VESIDUAL HEAT IN and flue gas purification system for aluminium smelting furnace |
-
2018
- 2018-09-05 CN CN201811033066.5A patent/CN108744939A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203389527U (en) * | 2013-08-19 | 2014-01-15 | 中国电力工程顾问集团华北电力设计院工程有限公司 | Low-temperature multi-effect flue gas treatment device |
| CN204672062U (en) * | 2015-05-06 | 2015-09-30 | 浙江久灵塑料制品有限公司 | A kind of Water-curtain paint mist purification device |
| CN207769439U (en) * | 2017-12-29 | 2018-08-28 | 眉山市博眉启明星铝业有限公司 | A kind of UTILIZATION OF VESIDUAL HEAT IN and flue gas purification system for aluminium smelting furnace |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112973323A (en) * | 2021-04-19 | 2021-06-18 | 佛山市粤金海机械设备有限公司 | Coking coke oven flue gas multi-pollutant coprocessing device |
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