CN206215031U - A kind of desulfation dust-extraction device for fire coal boiler fume minimum discharge - Google Patents
A kind of desulfation dust-extraction device for fire coal boiler fume minimum discharge Download PDFInfo
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- CN206215031U CN206215031U CN201621281143.5U CN201621281143U CN206215031U CN 206215031 U CN206215031 U CN 206215031U CN 201621281143 U CN201621281143 U CN 201621281143U CN 206215031 U CN206215031 U CN 206215031U
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- Prior art keywords
- low concentration
- concentration multiple
- effect
- extraction device
- dust
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- 238000000605 extraction Methods 0.000 title claims abstract description 16
- 239000003245 coal Substances 0.000 title claims abstract description 13
- 239000003517 fume Substances 0.000 title claims abstract description 11
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 29
- 239000000428 dust Substances 0.000 claims abstract description 22
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003546 flue gas Substances 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims description 60
- 238000006477 desulfuration reaction Methods 0.000 claims description 28
- 230000023556 desulfurization Effects 0.000 claims description 24
- 238000005507 spraying Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000004537 pulping Methods 0.000 claims description 14
- 238000010410 dusting Methods 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 5
- 239000005864 Sulphur Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 2
- 230000018044 dehydration Effects 0.000 claims 1
- 238000006297 dehydration reaction Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 7
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 6
- 239000012716 precipitator Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 description 9
- 239000003595 mist Substances 0.000 description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 239000004408 titanium dioxide Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- -1 pulping system Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of desulfation dust-extraction device that disclosure satisfy that fire coal boiler fume minimum discharge, multiple-effect circulation system and multiple-effect circulation liquid treating system are contained.The content of sulfur dioxide in flue gas is reduced by desulphurization system, system circulation liquid concentration is relatively low simultaneously because multiple-effect is followed, and desulfurizing tower is exported dust content reduces, and it is met emission request.The beneficial effects of the utility model are：Realize the requirement that dust and sulfur dioxide of the fire coal boiler fume in flue gas in the case of not using wet electrical dust precipitator meet minimum discharge.Realize the low input and low operating cost of fire coal boiler fume minimum discharge.
Description
Technical field：
The utility model belongs to coal burning flue gas desulfurization dedusting minimum discharge process field, is related to the desulfurization of coal-burning boiler
Dedusting treater.
Background technology：
Current fire coal boiler fume process field generally existing, the cleaner before flue gas enters desulfurizing tower can reach
Mark, because the dust increase that calcium method/magnesium processes desulfurization slurry solid content causes causes desulfurizing tower to export dust exceeding phenomenon, now generally
Solve to be allowed to exhaust gas dust up to standard using high efficiency demister and wet electrical dust precipitator.Due to wet electrical dust precipitator initial investment
Height, operation power consumption is big, and equipment corrosion seriously constrains its construction.
Utility model content：
Under the purpose of this utility model is the dust precondition up to standard of desulfurizing tower import, this desulfurizer will not increase
Plus the dust in original flue gas, be not in exceeded desulfurizing tower import outlet up to standard.So as to avoid building to meet minimum discharge
If wet electrical dust precipitator equipment reduces initial investment and the operating cost of environmental protection equipment.
The purpose of this utility model is solved by the following technical programs：
A kind of desulfation dust-extraction device for fire coal boiler fume minimum discharge, including low concentration multiple-effect spray desulfurizing tower,
Low concentration multiple-effect spray desulfurizing tower top is provided with gas approach；Gas approach top is provided with desulfurization spraying layer；Desulfurization is sprayed
Layer top is provided with low concentration multiple-effect spraying layer；Low concentration multiple-effect spraying layer middle setting has structured filling material layer；Structured filling material layer
Top is provided with demister and flush pipe；Low concentration multiple-effect spray desulfurizing tower top is provided with low exhanst gas outlet.
Be provided between the low concentration multiple-effect spray column desulfurization spraying layer and demister low concentration multiple-effect spray system and
Its de-dusting cycle water tank and circular water treating system.
The low concentration multiple-effect spray column mist eliminator flushing tube layer is by mist eliminator flushing pump and mist eliminator flushing recirculated water
Case is connected.
The low concentration multiple-effect spray column low concentration multiple-effect spray system is provided with de-dusting cycle water tank, de-dusting cycle water tank
De-dusting cycle pump and accurate filter is passed sequentially through to be connected with low concentration multiple-effect spray column low concentration multiple-effect spraying layer.
The low concentration multiple-effect spray column desulfurization spraying layer is connected by desulfuration recycle pump with low concentration multiple-effect spray desulfurizing tower
Connect.
The low concentration multiple-effect spray desulfurizing tower is provided with bottom of towe agitator.
Also there are cyclone, vacuum belt dewaterer, low concentration multiple-effect to spray including low concentration multiple-effect spray column slag disposal system
Drenching tower pulping system has roof scrubber, filler bin, hand operated gate valve, disk feeder, star feeder, electronic scale, slurrying
Tank and slurry supply pump.
The low concentration multiple-effect spray desulfurizing tower is connected by desulfurization product excavationg pump with cyclone；Cyclone lower section is set
There is vacuum belt dewaterer.
The low concentration multiple-effect spray desulfurizing tower is connected by slurry supply pump with pulping tank；Pulping tank top is provided with electronics
Scale；Electronic scale top is provided with filler bin, and hand operated gate valve, disk feeder are disposed between filler bin and electronic scale
And star feeder.
The low concentration multiple-effect spray desulfurizing tower filler bin top is provided with roof scrubber.
Increase multiple-effect circulation system and circulation liquid treating system on the basis of original desulfurizing tower spraying layer, this system is not
Only desulfurization effect also reduce flue gas carry dust, while by demister reduce flue gas in band water so that remove because
Solid content in doctor solution and cause dust exceeding, while structured filling material layer is set between low concentration multiple-effect spraying layer being used for most
Dust in the removal flue gas of limits, sets multiple-effect spray liquid treating system purification spray liquid.
The desulfurizer of the technical program can meet calcium method and magnesium processes sulfur removal technology, can realize dust and titanium dioxide
The minimum discharge of sulphur.
The desulfurizer is connected with pulping system and slag disposal system, makes the desulphurization system work of its composition complete set
Skill, meets the function of desulfurization and dedusting.Realize the function of raw material supply and product output.
The beneficial effects of the utility model are：
1st, dust and titanium dioxide of the fire coal boiler fume in flue gas in the case of not using wet electrical dust precipitator are realized
Sulphur meets the requirement of minimum discharge.
2nd, the low input and low operating cost of fire coal boiler fume minimum discharge are realized.
Brief description of the drawings：
Fig. 1 meets the schematic diagram of device of coal burning flue gas desulfurization dedusting for the utility model
Wherein：1 low concentration multiple-effect spray desulfurizing tower；2 low concentration multiple-effect spray column gas approach；3 low concentration multiple-effect are sprayed
Tower desulfurization spraying layer；4 low concentration multiple-effect spray column low concentration multiple-effect spraying layers；5 structured filling material layers；6 mist eliminator flushing tube layer；7
Low concentration multiple-effect spray column exhanst gas outlet；8 demisters；9 mist eliminator flushing cyclic water tanks；10 mist eliminator flushing pumps；11 dedustings are followed
Ring water tank；12 de-dusting cycle pumps；13 accurate filters；14 desulfuration recycle pumps；15 bottom of towe agitators；16 desulfurization product excavationg pumps；
17 cyclones；18 vacuum belt dewaterers；19 roof scrubbers；20 filler bins；21 hand operated gate valves；22 disk feeders；23
Star feeder；24 electronic scales；25 pulping tanks；26 low concentration multiple-effect spray column slurry supply pumps.
Specific embodiment：
The utility model is described in further detail below in conjunction with the accompanying drawings：
Referring to Fig. 1, a kind of desulfation dust-extraction device for fire coal boiler fume minimum discharge, including low concentration multiple-effect spray
Desulfurizing tower, low concentration multiple-effect spray desulfurizing tower top is provided with gas approach；Gas approach top is provided with desulfurization spraying layer；Spray
Drenching layer top is provided with low concentration multiple-effect spraying layer；Low concentration multiple-effect spraying layer middle setting has structured filling material layer；Structured packing
Layer top is provided with demister and its flush pipe；Low concentration multiple-effect spray desulfurizing tower top is provided with low concentration multiple-effect spray column cigarette
Gas is exported.
Be provided between the low concentration multiple-effect spray column desulfurization spraying layer and demister low concentration multiple-effect spray system and
Its cyclic water tank and circular water treating system.
The low concentration multiple-effect spray column mist eliminator flushing tube layer is by mist eliminator flushing pump and mist eliminator flushing recirculated water
Case is connected.
The low concentration multiple-effect spray column low concentration multiple-effect spray system is provided with de-dusting cycle water tank, de-dusting cycle water tank
De-dusting cycle pump and accurate filter is passed sequentially through to be connected with low concentration multiple-effect spray column low concentration multiple-effect spraying layer.
The low concentration multiple-effect spray column desulfurization spraying layer is connected by desulfuration recycle pump with low concentration multiple-effect spray desulfurizing tower
Connect.
The low concentration multiple-effect spray desulfurizing tower is provided with bottom of towe agitator.
Also there are cyclone, vacuum belt dewaterer, low concentration multiple-effect to spray including low concentration multiple-effect spray column slag disposal system
Drenching tower pulping system has roof scrubber, filler bin, hand operated gate valve, disk feeder, star feeder, electronic scale, slurrying
Tank and slurry supply pump.
The low concentration multiple-effect spray desulfurizing tower is connected by desulfurization product excavationg pump with cyclone；Cyclone lower section is set
There is vacuum belt dewaterer.
The low concentration multiple-effect spray desulfurizing tower is connected by slurry supply pump with pulping tank；Pulping tank top is provided with electronics
Scale；Electronic scale top is provided with filler bin, and hand operated gate valve, disk feeder are disposed between filler bin and electronic scale
And star feeder.
The filler bin top of the low concentration multiple-effect spray desulfurizing tower is provided with roof scrubber.
The desulfation dust-extraction device inlet flue gas dust is up to standard, into tower body after make flue gas titanium dioxide through desulfurization spraying layer
Sulphur is up to standard, and because loop slurry solid content is higher, flue gas with water causes the increase of exhaust gas dust amount, and flue gas is sprayed by low concentration multiple-effect
After drenching layer and structured filling material layer, dust, a small amount of sulfur dioxide in removal flue gas reduce the solid content in flue gas with water, then
Exiting flue gas droplet is reduced by demister layer, it is up to standard so as to be allowed to tower body outlet dust.De-dusting cycle liquid need to carry out treatment drop
Solid particulate matter in low circulation liquid, pulping system, product processing system are carried out according to conventional desulfurization system.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific embodiment of the present utility model is only limitted to this, for the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be considered as
Belong to the claims of the utility model by being submitted to and determine scope of patent protection.
Claims (10)
1. a kind of desulfation dust-extraction device for fire coal boiler fume minimum discharge, it is characterised in that：Including the spray of low concentration multiple-effect
Desulfurized dust collection column is drenched, low concentration multiple-effect spray desulfurizing tower top is provided with gas approach；Gas approach top is provided with desulfurization spray
Drenching layer；Desulfurization spraying layer top is provided with low concentration multiple-effect spraying layer；Low concentration multiple-effect spraying layer middle setting has structured packing
Layer；Structured filling material layer top is provided with demister and rinses tube layer；Low concentration multiple-effect spray desulfurizing tower top is provided with flue gas and goes out
Mouthful.
2. desulfation dust-extraction device as claimed in claim 1, it is characterised in that：The low concentration multiple-effect spray column desulfurization spraying layer
Low concentration multiple-effect spray system and its de-dusting cycle water tank and circular water treating system are provided with and demister between.
3. desulfation dust-extraction device as claimed in claim 2, it is characterised in that：The low concentration multiple-effect spray system passes through dedusting
Water circulating pump is connected with filter plant and Ta Nei spray systems.
4. desulfation dust-extraction device as claimed in claim 1, it is characterised in that：The low concentration multiple-effect spray column low concentration multiple-effect
Spray system is provided with de-dusting cycle water tank, and de-dusting cycle water tank passes sequentially through de-dusting cycle pump and accurate filter and low concentration
Multiple-effect spraying layer is connected.
5. desulfation dust-extraction device as claimed in claim 1, it is characterised in that：The low concentration multiple-effect spray column desulfurization spraying layer
It is connected with low concentration multiple-effect spray desulfurizing tower by desulfuration recycle pump.
6. desulfation dust-extraction device as claimed in claim 1, it is characterised in that：The low concentration multiple-effect spray desulfurizing tower is provided with
Bottom of towe agitator.
7. desulfation dust-extraction device as claimed in claim 1, it is characterised in that also including low concentration multiple-effect spray column Slag treatment system
System has cyclone, a vacuum belt dewaterer, pulping system have roof scrubber, filler bin, hand operated gate valve, disk feeder,
Star feeder, electronic scale, pulping tank and slurry supply pump.
8. desulfation dust-extraction device as claimed in claim 7, it is characterised in that：The low concentration multiple-effect spray desulfurizing tower is by de-
Sulphur product excavationg pump is connected with cyclone；Cyclone lower section is provided with vacuum belt dewaterer carries out the dehydration of desulfurization slag.
9. desulfation dust-extraction device as claimed in claim 7, it is characterised in that：The low concentration multiple-effect spray desulfurizing tower is by supplying
Stock pump is connected with pulping tank；Pulping tank top is provided with electronic scale；Electronic scale top is provided with filler bin, in filler bin and electronics
Hand operated gate valve, disk feeder and star feeder are disposed between scale.
10. desulfation dust-extraction device as claimed in claim 9, it is characterised in that：The low concentration multiple-effect spray column pulping system
Filler bin top is provided with roof scrubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621281143.5U CN206215031U (en) | 2016-11-25 | 2016-11-25 | A kind of desulfation dust-extraction device for fire coal boiler fume minimum discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621281143.5U CN206215031U (en) | 2016-11-25 | 2016-11-25 | A kind of desulfation dust-extraction device for fire coal boiler fume minimum discharge |
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| Publication Number | Publication Date |
|---|---|
| CN206215031U true CN206215031U (en) | 2017-06-06 |
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ID=58785886
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621281143.5U Active CN206215031U (en) | 2016-11-25 | 2016-11-25 | A kind of desulfation dust-extraction device for fire coal boiler fume minimum discharge |
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| CN (1) | CN206215031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492619A (en) * | 2016-11-25 | 2017-03-15 | 陕西昕宇表面工程有限公司 | A kind of desulfation dust-extraction device for fire coal boiler fume minimum discharge |
-
2016
- 2016-11-25 CN CN201621281143.5U patent/CN206215031U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106492619A (en) * | 2016-11-25 | 2017-03-15 | 陕西昕宇表面工程有限公司 | A kind of desulfation dust-extraction device for fire coal boiler fume minimum discharge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Desulphurization and dedusting apparatus for ultra-low discharge of flue gas from coal-fired boiler Effective date of registration: 20180711 Granted publication date: 20170606 Pledgee: Shaanxi SME financing Company limited by guarantee Pledgor: Shaanxi Xinyu Surface Engineering Co., Ltd. Registration number: 2018610000101 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190807 Granted publication date: 20170606 Pledgee: Shaanxi SME financing Company limited by guarantee Pledgor: Shaanxi Xinyu Surface Engineering Co., Ltd. Registration number: 2018610000101 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Desulphurization and dedusting apparatus for ultra-low discharge of flue gas from coal-fired boiler Effective date of registration: 20190816 Granted publication date: 20170606 Pledgee: Shaanxi SME financing Company limited by guarantee Pledgor: Shaanxi Xinyu Surface Engineering Co., Ltd. Registration number: Y2019610000015 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200904 Granted publication date: 20170606 Pledgee: Shaanxi SME financing Company limited by guarantee Pledgor: SHAANXI XINYU SURFACE ENGINEERING Co.,Ltd. Registration number: Y2019610000015 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A desulfurization and dust removal device for ultra-low flue gas emission of coal-fired boiler Effective date of registration: 20200929 Granted publication date: 20170606 Pledgee: Shaanxi SME financing Company limited by guarantee Pledgor: SHAANXI XINYU SURFACE ENGINEERING Co.,Ltd. Registration number: Y2020610000168 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211011 Granted publication date: 20170606 Pledgee: Shaanxi SME financing Company limited by guarantee Pledgor: SHAANXI XINYU SURFACE ENGINEERING Co.,Ltd. Registration number: Y2020610000168 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |