CN207822768U - A kind of desulfurized dust collection column and alkali kiln gas desulfurization dust-removal system with silk screen - Google Patents

A kind of desulfurized dust collection column and alkali kiln gas desulfurization dust-removal system with silk screen Download PDF

Info

Publication number
CN207822768U
CN207822768U CN201820001211.0U CN201820001211U CN207822768U CN 207822768 U CN207822768 U CN 207822768U CN 201820001211 U CN201820001211 U CN 201820001211U CN 207822768 U CN207822768 U CN 207822768U
Authority
CN
China
Prior art keywords
desulfurization
mist eliminator
dust collection
alkali
collection column
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.)
Expired - Fee Related
Application number
CN201820001211.0U
Other languages
Chinese (zh)
Inventor
董有明
李青照
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rizhao Huatai Paper Co Ltd
Original Assignee
Rizhao Huatai Paper Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rizhao Huatai Paper Co Ltd filed Critical Rizhao Huatai Paper Co Ltd
Priority to CN201820001211.0U priority Critical patent/CN207822768U/en
Application granted granted Critical
Publication of CN207822768U publication Critical patent/CN207822768U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of desulfurized dust collection column with silk screen and alkali kiln gas desulfurization dust-removal system, belongs to field of environment protection.This patent after steam-operating air inducing pull-over gear, increase desulfurized dust collection column before chimney, desulfurized dust collection column includes:Tower body, lower central position is provided with center rotary island in tower body, above the rotary island of center, desulfurization spraying layer is disposed in tower body from bottom to top, baffle type mist eliminator, baffle plate type demisting rinses layer, mesh mist eliminator, silk screen demisting rinses layer, the external desulfuration recycle pump of desulfurization spraying layer, alkali kiln gas sprays through desulfurization spraying layer and carries out desulfurization, most of water droplet is removed through baffle type mist eliminator, not only contain moisture in water droplet, also dissolved with sulfur dioxide etc., the particle dust in flue gas can also be removed, again through mesh mist eliminator, by in flue gas sicker and tiny water droplet removal, reach dedusting purpose.After this patent, flue dust arranges concentration outside, sulfur dioxide realizes qualified discharge, energy-saving and emission-reduction, and social benefit is apparent.

Description

A kind of desulfurized dust collection column and alkali kiln gas desulfurization dust-removal system with silk screen
Technical field
The utility model is related to environmental technology field, specifically a kind of desulfurized dust collection column and alkali stove cigarette with silk screen Desulfurization dust pelletizing system.
Background technology
Alkali recovery boiler is the important equipment of slurrying enterprise chemical recovery system, is that the concentrated black liquid after being concentrated with pulping waste liquor is The special boiler of fuel.The purpose of burning is to recycle the heat of alkali and organic component in pulping waste liquor, thus alkali collection pot Stove is again simultaneously paper industry environmental protection and energy saving important equipment.
In use, generated alkali kiln gas is single to rely on electrostatic precipitator dedusting, cigarette to existing alkali recovery boiler The nitrous oxides concentration of gas is less than 100 mg/m3, can qualified discharge, but sulfur dioxide in flue gas and dirt are transported in boiler excess load When row, qualified discharge requirement can not achieve.
Invention content
The technical assignment of the utility model is in view of the deficiencies of the prior art, to provide a kind of desulfurized dust collection column with silk screen And alkali kiln gas desulfurization dust-removal system, to solve in alkali kiln gas existing in the prior art, sulfur dioxide and dirt cannot rows up to standard The problem of putting.
Technical solution adopted by the utility model to solve its technical problems is:
1, the utility model provides a kind of desulfurized dust collection column with silk screen, including:Tower body, lower central position in tower body Be provided with center rotary island, center rotary island is conducive to circulating for alkali kiln gas, above the rotary island of center, in tower body from bottom to top according to Secondary desulfurization spraying layer, baffle type mist eliminator, the baffle plate type demisting of being provided with rinses layer, mesh mist eliminator, the flushing of silk screen demisting Layer,
The external desulfuration recycle pump of desulfurization spraying layer, alkali kiln gas sprays through desulfurization spraying layer and carries out desulfurization, through baffling Board-like demister removes most of water droplet, not only contains moisture in water droplet, also dissolved with sulfur dioxide etc., can also go to a certain degree Except the particle dust in flue gas, then through mesh mist eliminator, by flue gas sicker and tiny water droplet remove, reach dedusting mesh 's.
As the utility model it is further preferred that the desulfurization spraying layer is level Four, baffle type mist eliminator is two-stage, Mesh mist eliminator is two-stage.
2, the utility model separately provides a kind of alkali kiln gas desulfurization dust-removal system, including:Zheng Fa Nong liquid bath, Ru Lu liquid Cao, liquid heater, alkali recovery boiler, dissolving tank, filtrate filter, send caustic room, electrostatic precipitator, steam-operating air inducing dragging Machine, above-mentioned desulfurized dust collection column, chimney, sode ash dissolving tank, primary air fan, two wind turbine, air preheater three times;
Zheng Fa Nong liquid bath, Ru Lu liquid bath, liquid heater, alkali recovery boiler, dissolving tank, filtrate filter, send it is severe Chemical industry section is sequentially connected by pipeline;
Alkali recovery boiler, electrostatic precipitator, steam-operating air inducing pull-over gear, desulfurized dust collection column, chimney are sequentially connected by flue, Form flue gas dust collecting system;
Primary air fan, two are connected after wind turbine is connected with air preheater three times, then by process pipelines with alkali recovery boiler, Form the air feed system of alkali recovery boiler.
As the utility model it is further preferred that by alkali recovery boiler two three times air feed system air door channel increase, So that black liquor fully burns, the generation of sulfur dioxide and flying dust is reduced from source.
As the utility model it is further preferred that one or two electrical field control systems of electrostatic precipitator are changed by industrial frequency control It is controlled for high frequency, increases the efficiency of dust collection of electrostatic precipitator.
As the utility model it is further preferred that transformation steam-operating air inducing pull-over gear, its air door channel is increased, raising is drawn Air quantity and wind pressure.
A kind of desulfurized dust collection column and alkali kiln gas desulfurization dust-removal system with silk screen of the utility model, with the prior art It is compared to generated advantageous effect:
1, after steam-operating air inducing pull-over gear, increase desulfurized dust collection column, the external desulfuration recycle pump of desulfurization spraying layer, alkali before chimney Kiln gas sprays through desulfurization spraying layer and carries out desulfurization, removes most of water droplet through baffle type mist eliminator, not only contains in water droplet Moisture can also remove the particle dust in flue gas, then through mesh mist eliminator, by cigarette to a certain degree also dissolved with sulfur dioxide etc. Sicker in gas and the removal of tiny water droplet, reach dedusting purpose.
2, it is directed to alkali kiln gas desulfurization dust-removal system,
First, optimization alkali recovery boiler two air feed system three times, the air door of the air feed system three times of alkali recovery boiler two is led to Road increases so that black liquor fully burns, and the generation of sulfur dioxide and flying dust is reduced from source;
Second, one or two electrical field control systems of electrostatic precipitator are changed to high frequency control by industrial frequency control, increase electrostatic and remove The efficiency of dust collection of dirt device;
Third, transformation steam-operating air inducing pull-over gear, its air door channel is increased, absorbing quantity and wind pressure are improved.
Fourth, after alkali kiln gas first passes through electrostatic precipitator dedusting, then by desulfurized dust collection column advanced treating, realize de- It is sulphur, dust removal integrated, equipment investment is reduced, the flue gas after flue gas is up to standard passes through high-altitude after CEMS system detectio qualifications into chimney Discharge.
The dirt discharge standard 20mg/Nm that concentration reaches the requirement of environmental protection administration of cities and counties is arranged after the utility model, outside flue dust 3, emission standards for sulfur dioxide 200mg/Nm3,39.81 tons of year emission reduction dirt or more, year 65.28 tons of reducing emission of sulfur dioxide or more, society Meeting benefit is apparent.
Description of the drawings
Attached drawing 1 is the structure chart of the utility model alkali kiln gas desulfurization dust-removal system;
Attached drawing 2 is the structure chart of desulfurized dust collection column of the utility model with silk screen.
In figure, 1, Zheng Fa Nong liquid bath, 2, Ru Lu liquid bath, 3, liquid heater, 4, alkali recovery boiler, 5, dissolving tank, 6, filtrate filter, 7, send caustic room, 8, electrostatic precipitator, 9, steam-operating air inducing pull-over gear, 10, desulfurized dust collection column, 11, cigarette Chimney, 12, sode ash dissolving tank, 13, primary air fan, 14, two wind turbines three times, 15, air preheater,
16, tower body, 17, center rotary island, 18, desulfurization spraying layer, the 1800, first desulfurization spraying layer, the 1801, second desulfurization spray Drenching layer, 1802, third desulfurization spraying layer, the 1803, the 4th desulfurization spraying layer,
19, baffle type mist eliminator, the 1900, first baffle type mist eliminator, the 1901, second baffle type mist eliminator,
20, mesh mist eliminator, the 2000, first mesh mist eliminator, the 2001, second mesh mist eliminator,
21, baffle plate type demisting rinse layer, 22, silk screen demisting rinse layer.
Specific implementation mode
1-2 below in conjunction with the accompanying drawings, to a kind of desulfurized dust collection column and alkali kiln gas desulfurization with silk screen of the utility model Dust pelletizing system is described in detail below.
Embodiment one
As shown in Fig. 1, the utility model separately provides a kind of alkali kiln gas desulfurization dust-removal system, including:Zheng Fa Nong liquid Slot 1, Ru Lu 2, of liquid bath liquid heater 3, alkali recovery boiler 4, dissolving tank 4, filtrate filter 6, send caustic room 7, electrostatic Deduster 8, steam-operating air inducing pull-over gear 9, desulfurized dust collection column 10, chimney 11, sode ash dissolving tank 12, primary air fan 13, two tertiary airs Machine 14, air preheater 15;
Zheng Fa Nong liquid bath 1, Ru Lu 2, of liquid bath liquid heater 3, alkali recovery boiler 4, dissolving tank 4, filtrate filter 6, caustic room 7 is sent to be sequentially connected by pipeline;
Alkali recovery boiler 4, electrostatic precipitator 8, steam-operating air inducing pull-over gear, desulfurized dust collection column 10, chimney 11 by flue according to It is secondary to be connected, form flue gas dust collecting system;
Primary air fan 13, two is after wind turbine 14 is connected with air preheater 15 three times, then passes through process pipelines and alkali collection pot Stove 4 is connected, and forms the air feed system of alkali recovery boiler 4.
On the basis of the said structure, by alkali recovery boiler 4 two three times air feed system air door channel increase so that black liquor fills Divided combustion reduces the generation of sulfur dioxide and flying dust from source.
On the basis of the said structure, one or two electrical field control systems of electrostatic precipitator 8 are changed to high frequency control by industrial frequency control System increases the efficiency of dust collection of electrostatic precipitator 8.
On the basis of the said structure, transformation steam-operating air inducing pull-over gear 9, its air door channel is increased, and improves absorbing quantity and wind Pressure.
The course of work of the present embodiment is described as follows:
The flue gas that alkali recovery boiler 4 generates, first passes through 8 dedusting of electrostatic precipitator, steam-operating air inducing pull-over gear 9 again send flue gas To carrying out desulfurization and dedusting advanced treating in the desulfurizing tower 10 with silk screen, it is up to standard after flue gas into chimney 11, through CEMS system detectios High air discharge after qualification.
Embodiment two
As shown in Fig. 2, the desulfurized dust collection column 10 of embodiment one is a kind of desulfurized dust collection column 10 with silk screen, including: Tower body 16, lower central position is provided with center rotary island 17 in tower body 16, and center rotary island 17 is conducive to the recycle stream of alkali kiln gas It is dynamic, it is disposed with desulfurization spraying layer 18, baffle type mist eliminator 19, folding from bottom to top in 17 top of center rotary island, tower body 16 Flowing plate formula demisting rinses layer, mesh mist eliminator 20, silk screen demisting and rinses layer 21,
18 external desulfuration recycle pump of the desulfurization spraying layer, alkali kiln gas is sprayed through desulfurization spraying layer 18 carries out desulfurization, warp Baffle type mist eliminator 19 removes most of water droplet, and moisture is not only contained in water droplet, can also be certain also dissolved with sulfur dioxide etc. Degree removes the particle dust in flue gas, then through mesh mist eliminator 20, by flue gas sicker and tiny water droplet remove, reach To dedusting purpose.
In Fig. 2, desulfurization spraying layer 18 is level Four, respectively:First desulfurization spraying layer 1800, the second desulfurization spraying layer 1801, third desulfurization spraying layer 1802, the 4th desulfurization spraying layer 1803.
Baffle type mist eliminator 19 is two-stage, respectively:First baffle type mist eliminator 1900, the second baffle plate type demisting Device 1901.
Mesh mist eliminator 20 is two-stage, respectively:First mesh mist eliminator 2000, the second mesh mist eliminator 2001.
A kind of desulfurized dust collection column and alkali kiln gas desulfurization dust-removal system with silk screen of the utility model, processing and fabricating It is simple and convenient, processing and fabricating shown in by specification attached drawing.
It is the known technology of those skilled in the art in addition to the technical characteristic described in specification.

Claims (3)

1. a kind of desulfurized dust collection column with silk screen, which is characterized in that including:Tower body, lower central position is provided in tower body Center rotary island is disposed with desulfurization spraying layer, baffle type mist eliminator, baffling from bottom to top above the rotary island of center, in tower body Board-like demisting rinses layer, mesh mist eliminator, silk screen demisting and rinses layer,
The external desulfuration recycle pump of desulfurization spraying layer, alkali kiln gas sprays through desulfurization spraying layer and carries out desulfurization, through baffle plate type Demister removes most of water droplet, then through mesh mist eliminator, by flue gas sicker and tiny water droplet remove.
2. a kind of desulfurized dust collection column with silk screen according to claim 1, which is characterized in that the desulfurization spraying layer is Level Four, baffle type mist eliminator are two-stage, and mesh mist eliminator is two-stage.
3. a kind of alkali kiln gas desulfurization dust-removal system, which is characterized in that including:Zheng Fa Nong liquid bath, Ru Lu liquid bath, liquid add Hot device, dissolving tank, filtrate filter, send caustic room, electrostatic precipitator, steam-operating air inducing pull-over gear, such as right at alkali recovery boiler It is required that desulfurized dust collection column, chimney, sode ash dissolving tank, primary air fan described in 1 or 2, two wind turbine, air preheater three times;
Zheng Fa Nong liquid bath, Ru Lu liquid bath, liquid heater, alkali recovery boiler, dissolving tank, filtrate filter, send causticization work Section is sequentially connected by pipeline;
Alkali recovery boiler, electrostatic precipitator, steam-operating air inducing pull-over gear, desulfurized dust collection column, chimney are sequentially connected by flue, are formed Flue gas dust collecting system;
Primary air fan, two are connected after wind turbine is connected with air preheater three times, then by process pipelines with alkali recovery boiler, are formed The air feed system of alkali recovery boiler.
CN201820001211.0U 2018-01-02 2018-01-02 A kind of desulfurized dust collection column and alkali kiln gas desulfurization dust-removal system with silk screen Expired - Fee Related CN207822768U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820001211.0U CN207822768U (en) 2018-01-02 2018-01-02 A kind of desulfurized dust collection column and alkali kiln gas desulfurization dust-removal system with silk screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820001211.0U CN207822768U (en) 2018-01-02 2018-01-02 A kind of desulfurized dust collection column and alkali kiln gas desulfurization dust-removal system with silk screen

Publications (1)

Publication Number Publication Date
CN207822768U true CN207822768U (en) 2018-09-07

Family

ID=63391441

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820001211.0U Expired - Fee Related CN207822768U (en) 2018-01-02 2018-01-02 A kind of desulfurized dust collection column and alkali kiln gas desulfurization dust-removal system with silk screen

Country Status (1)

Country Link
CN (1) CN207822768U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109821380A (en) * 2018-12-26 2019-05-31 广西粤桂广业控股股份有限公司 A kind of alkali recovery boiler circulation of tail gas processing method and equipment
CN110975525A (en) * 2019-11-06 2020-04-10 福建省青山纸业股份有限公司 Production method for effectively reducing emission of dust and sulfur dioxide in flue gas of alkali recovery furnace

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109821380A (en) * 2018-12-26 2019-05-31 广西粤桂广业控股股份有限公司 A kind of alkali recovery boiler circulation of tail gas processing method and equipment
CN110975525A (en) * 2019-11-06 2020-04-10 福建省青山纸业股份有限公司 Production method for effectively reducing emission of dust and sulfur dioxide in flue gas of alkali recovery furnace

Similar Documents

Publication Publication Date Title
CN207822768U (en) A kind of desulfurized dust collection column and alkali kiln gas desulfurization dust-removal system with silk screen
CN103185346B (en) Combined purification system for waste incineration smoke and technology of combined purification system
CN103801178A (en) Smoke purification device and method with integration of desulfuration, denitration, dust removal and mercury removal
CN206064141U (en) A kind of coal-fired flue-gas treatment and purification device
CN105854551A (en) Double-alkali double-circulation desulfurization absorption system and method
CN108159857A (en) A kind of double alkali semi-dry flue gas desulfurization devices of double tower and method
CN205796820U (en) A kind of desulfurating dust-removing equipment
CN205517263U (en) Flue gas heat exchange energy conservation SOx/NOx control device
CN205055807U (en) Coke oven low -sulfur tail gas desulfurization dust collector
CN101121096A (en) Wet type desulfurizing dust-removing technology for fire coal boiler fume
CN204182256U (en) A kind of washing degree of depth dust arrester
CN107990335A (en) A kind of environment-friendly and energy-efficient industrial waste gas burning processing device
CN205084558U (en) Flue gas two -stage condensation dust collector after desulfurization
CN106731585A (en) A kind of coke oven flue gas dry-type desulphurization device, the dust removal integrated system and method for coke oven flue gas dry type desulfurizing
CN105536477A (en) Efficient low-cost flue gas desulfurization and denitrification deep dust removal system
CN203564949U (en) Flue gas cleaning system for biomass boiler
CN106076106A (en) A kind of semi-dry desulfurization and denitrification system and method based on biomass ash
CN107511072A (en) A kind of flue gas ash removal denitrification apparatus
CN101143298B (en) High-efficiency wet-desulfurizing dust remover
CN205783025U (en) A kind of boiler dusting purifier
CN205361032U (en) Defogging sprays liquid feed system
CN205019945U (en) Flue gas desulfurization reactor
CN207980820U (en) A kind of kiln desulfurization and dedusting cooling system
CN205517233U (en) Absorption tower that high -efficient desulfurization was in coordination removed dust
CN206778067U (en) A kind of modular radial dedusting Benitration reactor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180907

Termination date: 20210102

CF01 Termination of patent right due to non-payment of annual fee