CN109499237A - A kind of coal-fired flue-gas dust-removing equipment - Google Patents
A kind of coal-fired flue-gas dust-removing equipment Download PDFInfo
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- CN109499237A CN109499237A CN201811372999.7A CN201811372999A CN109499237A CN 109499237 A CN109499237 A CN 109499237A CN 201811372999 A CN201811372999 A CN 201811372999A CN 109499237 A CN109499237 A CN 109499237A
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- pipe
- smoke
- settling tank
- layer
- cande
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
- B01D53/26—Drying gases or vapours
-
- 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
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
-
- 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
- B01D53/75—Multi-step processes
-
- 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
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The invention discloses a kind of coal-fired flue-gas dust-removing equipment, including dust-extraction unit and desulfurizer, dust-extraction unit includes settling tank, settling tank side is provided with smoke-intake pipe, and the position that settling tank leans on top is arranged in smoke-intake pipe, a block baffle is provided in settling tank, it is hanging that baffle one end is fixed on the other end at the top of settling tank, smoke-intake pipe and pipe are located at baffle two sides, and settling tank bottom is precipitation bucket；Smoke cande is washed in pipe connection, it washes inside smoke cande and is disposed with active carbon layer, drying layer, netted baffle plate layer from top to bottom and washes breathing liquid layer, wash breathing liquid be located at wash smoke cande bottom, pipe gos deep into liquid, it is provided with a water inlet pipe between drying layer and netted baffle plate layer, washes smoke cande lower part and is provided with a drain pipe；It washes and is provided with the smoke exhaust pipe that smoke cande inside and desulfurizer is washed in connection at the top of smoke cande.The configuration of the present invention is simple, it is easy to operate, the flue dust in flue gas can be thoroughly removed, is reduced environmental pollution.
Description
Technical field
The invention belongs to fume treatment technical field more particularly to a kind of coal-fired flue-gas dust-removing equipment.
Background technique
In process of economic development, because a large amount of using coal-fired and directly in flue gas emission band air, so that control
Quality degradation, endanger people's health, at present expanding economy, population be increasing and living standards of the people
It increasingly improves, the problem of environmental pollution becomes people's growing interest, the flue gases such as fire coal are to need to arrange after processing is qualified
It is put into atmosphere.Lignite also known as bavin coal are the minimum pit coals of degree of coalification.A kind of palm fibre between peat and pitch coal
Black, lacklustre rudimentary coal.Chemical reactivity is strong, is easy weathering in air, is not easy to store and transport, to air when burning
It is seriously polluted.Now due to the fat coal in China is almost mined out, lignite has become China master coal to be used, but due to lignite
Degree of coalification it is too low, cause burning when have a large amount of grey black, if without processing direct emission, will cause more serious
Pollution.More than the flue dust that fat coal generates in the flue gas of lignite burning, the equipment of original processing coal-fired flue-gas cannot be thorough
Removing fire coal in flue dust, need a kind of equipment of the sulphur-containing substance in the flue dust and flue gas that can be removed simultaneously in flue gas.
Summary of the invention
The present invention provides a kind of coal-fired flue-gas dust-removing equipment, and solving existing coal-fired flue-gas processing unit cannot thoroughly go out
The technical issues of removing the flue dust in coal-fired flue-gas.
Technical scheme is as follows:
A kind of coal-fired flue-gas dust-removing equipment, including dust-extraction unit and desulfurizer, the dust-extraction unit include settling tank, institute
It states settling tank side and is provided with smoke-intake pipe, and the position that settling tank leans on top is arranged in the smoke-intake pipe, sets in the settling tank
It is equipped with a block baffle, described baffle one end is fixed at the top of settling tank that the other end is hanging, and precipitating upper box part is divided into two by baffle
Space, and the smoke-intake pipe and pipe are located at baffle two sides, the settling tank bottom is precipitation bucket, the precipitation bucket bottom
Portion is provided with valve；Smoke cande is washed in the pipe connection, and described wash inside smoke cande is disposed with active carbon layer from top to bottom, does
Dry layer, netted baffle plate layer and wash breathing liquid layer, it is described wash breathing liquid and be located at wash smoke cande bottom, pipe is deeply washed in breathing liquid,
A water inlet pipe is provided between the drying layer and netted baffle plate layer, the water in the water inlet pipe is from netted baffle plate laminar flow to washing
Breathing liquid layer, the smoke cande lower part of washing are provided with a drain pipe；It washes at the top of smoke cande and is provided with connection and washes inside smoke cande and desulfurization
The smoke exhaust pipe of device.
Further, the pipe is located at the L-shaped setting of pipe section inside settling tank, the smoke inlet of pipe
In vertical direction and its is opening up.
Further, the pipe is being located at settling tank and is washing between smoke cande and be provided with a solenoid valve, and the electricity
A pressure sensor is provided in magnet valve.
Further, the water inlet pipe is arranged in parallel washing in smoke cande with netted baffle plate layer, and water inlet pipe is located in Smoking pipe
The port sealing in portion, the pipe shaft opposite with netted baffle plate layer are provided with Water outlet spray head.
Further, the breathing liquid of washing is akaline liquid, and the drying layer is made of alkaline matter.
Beneficial effects of the present invention: the present invention uses the mud chamber with partition, and partition makes the top of mud chamber be two
A space separated, and the top in a space is disposed therein on smoke-intake pipe, so that the flue dust come in cannot directly enter separately
One space touches pipe, larger due to precipitating indoor volume, so that the flue gas flow rate entered slows down, the cigarette in flue gas
Dirt encounters partition and is obstructed, and part flue dust falls naturally and is deposited to bottom, and flue gas will go out from pipe, due to the resistance of baffle
Gear, can only first walk downward, up walk around partition and pass through from pipe again, during flue gas walks downward, since gravity is made
It is walked downward Direct precipitation with, part flue dust, flue gas also has partly precipitated during up walking, so that big in flue gas
Part flue dust is precipitated in mud chamber.Washing the indoor smoking liquid of cigarette makes in flue gas remaining a small amount of flue dust by by washing breathing liquid
It removes, has been free of flue dust from washing in the flue gas come out in breathing liquid, the netted baffle plate layer has so that going out in smoking liquid
The equally distributed effect of gas come, since the bubble come out in gas from liquid is larger, netted baffle plate layer also has the work of water blocking
With, so that it will not splash the drying layer on top, due to wash in breathing liquid come out flue gas in contain moisture, the absorption to active carbon
Property have a certain impact, so setting drying layer dry flue gas the harmful substance in flue gas is adsorbed by active carbon again, completely
Go out flue dust flue gas finally by can be arranged after desulfurization suzerain's desulfurization band air in.The configuration of the present invention is simple, easy to operate, energy
The flue dust in flue gas is thoroughly removed, is reduced environmental pollution.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Component label instructions: settling tank 1, baffle 3, precipitation bucket 4, valve 5, pipe 6, washes smoke cande 7, activity at smoke-intake pipe 2
Layer of charcoal 8, netted baffle plate layer 9, drying layer 10, water inlet pipe 11, drain pipe 12, smoke exhaust pipe 13, desulfurizer 14, solenoid valve 15, pressure
Force snesor 16, washes tobacco juice 18 at Water outlet spray head 17.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
A kind of coal-fired flue-gas dust-removing equipment as shown in Figure 1, including dust-extraction unit and desulfurizer 14, the dust-extraction unit packet
Settling tank 1 is included, 1 side of settling tank is provided with smoke-intake pipe 2, and the position that settling tank 1 leans on top is arranged in the smoke-intake pipe 2
It sets, is provided with a block baffle 3 in the settling tank 1, it is hanging that described 3 one end of baffle is fixed on the 1 top other end of settling tank, baffle
31 tops of settling tank are divided into two spaces, and the smoke-intake pipe 2 and pipe 6 are located at 3 two sides of baffle, the settling tank
1 bottom is precipitation bucket 4, and 4 bottom of precipitation bucket is provided with valve 5；Smoke cande 7 is washed in the connection of pipe 6, described to wash smoke cande 7
Inside is disposed with active carbon layer 8, drying layer 10,3 layers of netted baffle plate from top to bottom and washes 18 body layer of tobacco juice, described to wash tobacco juice
18 bodies, which are located at, washes 7 bottom of smoke cande, and pipe 6 is deeply washed in 18 body of tobacco juice, is arranged between the drying layer 10 and 3 layers of netted baffle plate
There is a water inlet pipe 11, the water in the water inlet pipe 11 is described to wash under smoke cande 7 from 3 laminar flow of netted baffle plate to washing 18 body layer of tobacco juice
Portion is provided with a drain pipe 12；It washes and is provided with the smoke exhaust pipe 13 that 7 inside and desulfurizer 14 of smoke cande are washed in connection at the top of smoke cande 7.
Flue gas after burning enters mud chamber from smoke-intake pipe 2, and part flue dust precipitates in mud chamber, mud chamber bottom
Precipitation bucket 4 collects flue dust and passes through 5 scavenger precipitation of valve of 4 lower part of precipitation bucket when flue dust is deposited to certain thickness.Precipitating
The flue gas that room comes out completely removes the flue dust in flue gas by washing 18 body of tobacco juice washing in smoke-box, and washing 18 body of tobacco juice can be
Clear water, or akaline liquid washes 18 body of tobacco juice by water inlet pipe 11 and drain pipe 12 and forms a dynamic equilibrium, when washing cigarette
18 body of liquid after a period of use, opens simultaneously water inlet pipe 11 and outlet tube, so that it is washed tobacco juice 18 and dynamically replaces, 10 He of drying layer
Active carbon layer 8 is also required to East replacement, to keep its drying property and absorption property, in flue gas other than sulphur, also contains portion
Divide other harmful substances, can remove by active carbon, desulfurizer is entered from smoke exhaust pipe 13 by the flue gas of active carbon layer 8
14。
Partition makes the top of mud chamber be two spaces separated, and a space is disposed therein on smoke-intake pipe 2
Top so that the flue dust come in cannot directly enter another space and touch pipe 6, due to precipitate indoor volume compared with
Greatly, so that the flue gas flow rate entered slows down, the flue dust in flue gas encounters partition and is obstructed, and part flue dust falls naturally and is deposited to bottom
Portion, flue gas will go out from pipe 6, due to the blocking of baffle 3, can only first walk downward, and up be walked again around partition from smoke
Pass through in pipe 6, during flue gas walks downward, due to gravity, part flue dust walks downward Direct precipitation, what flue gas was up walked
Partly precipitated is also had in the process, so that most of flue dust in flue gas is precipitated in mud chamber.Wash the indoor smoking liquid of cigarette
Body removes remaining a small amount of flue dust in flue gas by washing 18 body of tobacco juice, from the flue gas washed in 18 body of tobacco juice out
Without flue dust, 3 layers of the netted baffle plate have so that smoking liquid in come out the equally distributed effect of gas, due to gas from
The bubble come out in liquid is larger, and 3 layers of netted baffle plate also play the role of water blocking, so that it will not splash the drying layer 10 on top, by
Contain moisture in washing in the flue gas come out in 18 body of tobacco juice, have a certain impact to the adsorptivity of active carbon, so setting drying
10 dry flue gas of layer adsorb the harmful substance in flue gas by active carbon again, and the flue gas for flue dust of going out completely is finally by desulfurization
It can be arranged after suzerain's desulfurization in band air.
Further, the pipe 6 is located at the L-shaped setting of pipe section inside settling tank 1, pipe 6 into
Mouth is in vertical direction and its is opening up.Make flue gas enter pipe 6 on top in this way, precipitates its flue dust more.
Further, the pipe 6 is being located at settling tank 1 and is washing between smoke cande 7 and be provided with a solenoid valve 15, and institute
It states and is provided with a pressure sensor 16 in solenoid valve 15.Due to the other end of pipe 6 be insertion smoking liquid in, when into
When the flue gas deficiency entered, it is easy to happen suck-back, so needing to be arranged suck-back device, solenoid valve 15 and pressure sensor 16 connect
It connects, when pressure sensor 16 detects that the flue gas in pipe 6 is flow backwards, Self-shut electromagnetic valve 15 is prevented from washing tobacco juice 18 and
Stream.
Further, the water inlet pipe 11 is arranged in parallel washing in smoke cande 7 with 3 layers of netted baffle plate, and water inlet pipe 11, which is located at, to be inhaled
Port sealing inside smoke pipe is provided with Water outlet spray head 17 with 3 layers of opposite pipe shaft of netted baffle plate.Contain cigarette in smoking liquid
Dirt, it is easy to it adheres on water fender, is stained with is easy 3 layers of netted baffle plate of blocking for a long time, so setting Water outlet spray head 17, so that
Flue dust on baffle 3 is swept away, and is not plugged up.
Further, 18 body of tobacco juice of washing is akaline liquid, and the drying layer 10 is made of alkaline matter.Make in this way
Partially acidic substance in flue gas is removed.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (5)
1. a kind of coal-fired flue-gas dust-removing equipment, including dust-extraction unit and desulfurizer, which is characterized in that the dust-extraction unit includes
Settling tank, the settling tank side is provided with smoke-intake pipe, and the position that settling tank leans on top is arranged in the smoke-intake pipe, described heavy
It is provided with a block baffle in the case of shallow lake, described baffle one end is fixed at the top of settling tank that the other end is hanging, and baffle is precipitating upper box part
It is divided into two spaces, and the smoke-intake pipe and pipe are located at baffle two sides, the settling tank bottom is precipitation bucket, described
Precipitation bucket bottom is provided with valve；Smoke cande is washed in the pipe connection, and described wash is disposed with work from top to bottom inside smoke cande
Property layer of charcoal, drying layer, netted baffle plate layer and wash breathing liquid layer, it is described wash breathing liquid and be located at wash smoke cande bottom, pipe is deeply washed
In breathing liquid, a water inlet pipe is provided between the drying layer and netted baffle plate layer, the water in the water inlet pipe is from netted gear
Plate laminar flow is provided with a drain pipe to breathing liquid layer, the smoke cande lower part of washing is washed；It washes at the top of smoke cande and is provided with connection and washes smoke cande
Internal and desulfurizer smoke exhaust pipe.
2. a kind of coal-fired flue-gas dust-removing equipment according to claim 1, which is characterized in that the pipe is located in settling tank
The L-shaped setting of the pipe section in portion, the smoke inlet of pipe is in vertical direction and its is opening up.
3. a kind of coal-fired flue-gas dust-removing equipment according to claim 1 rises and is characterized in that, the pipe is being located at settling tank
It is provided with a solenoid valve with washing between smoke cande, and is provided with a pressure sensor in the solenoid valve.
4. a kind of coal-fired flue-gas dust-removing equipment according to claim 1, rise and be characterized in that, the water inlet pipe wash in smoke cande with
Netted baffle plate is arranged in parallel, and water inlet pipe is located at the port sealing inside Smoking pipe, and the pipe shaft opposite with netted baffle plate is provided with out
Sprinkler head.
5. a kind of coal-fired flue-gas dust-removing equipment according to claim 1 rises and is characterized in that, the breathing liquid of washing is alkalies
Body, the drying layer are made of alkaline matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811372999.7A CN109499237A (en) | 2018-11-19 | 2018-11-19 | A kind of coal-fired flue-gas dust-removing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811372999.7A CN109499237A (en) | 2018-11-19 | 2018-11-19 | A kind of coal-fired flue-gas dust-removing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109499237A true CN109499237A (en) | 2019-03-22 |
Family
ID=65748921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811372999.7A Pending CN109499237A (en) | 2018-11-19 | 2018-11-19 | A kind of coal-fired flue-gas dust-removing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109499237A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212353A (en) * | 2020-10-13 | 2021-01-12 | 江苏顶洁医疗器械有限公司 | Waste heat utilization device in PVC glove production line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2149443A1 (en) * | 1970-10-01 | 1972-04-06 | North American Rockwell | Process for removing sulfur oxides from exhaust gases |
| CN202237757U (en) * | 2011-09-12 | 2012-05-30 | 张步芳 | Cyclone dedusting and desulfurizing device for flue gas of coal-fired boiler |
| CN104028069A (en) * | 2014-06-26 | 2014-09-10 | 攀钢集团攀枝花钢铁研究院有限公司 | Smoke washing device and smoke washing method |
| CN204952645U (en) * | 2015-09-14 | 2016-01-13 | 常州市新港热电有限公司 | Coal fired boiler flue gas water curtain formula desulfurization dust collector |
| CN207137617U (en) * | 2017-08-25 | 2018-03-27 | 重庆升上源环境治理有限公司 | Store kiln gas purifier |
-
2018
- 2018-11-19 CN CN201811372999.7A patent/CN109499237A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2149443A1 (en) * | 1970-10-01 | 1972-04-06 | North American Rockwell | Process for removing sulfur oxides from exhaust gases |
| CN202237757U (en) * | 2011-09-12 | 2012-05-30 | 张步芳 | Cyclone dedusting and desulfurizing device for flue gas of coal-fired boiler |
| CN104028069A (en) * | 2014-06-26 | 2014-09-10 | 攀钢集团攀枝花钢铁研究院有限公司 | Smoke washing device and smoke washing method |
| CN204952645U (en) * | 2015-09-14 | 2016-01-13 | 常州市新港热电有限公司 | Coal fired boiler flue gas water curtain formula desulfurization dust collector |
| CN207137617U (en) * | 2017-08-25 | 2018-03-27 | 重庆升上源环境治理有限公司 | Store kiln gas purifier |
Non-Patent Citations (1)
| Title |
|---|
| 张殿印等: "《除尘设备与运行管理》", 31 May 2010 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112212353A (en) * | 2020-10-13 | 2021-01-12 | 江苏顶洁医疗器械有限公司 | Waste heat utilization device in PVC glove production line |
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Application publication date: 20190322 |
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