CN207413109U - A kind of desulfurizing agent feed system for dry desulfurization - Google Patents
A kind of desulfurizing agent feed system for dry desulfurization Download PDFInfo
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- CN207413109U CN207413109U CN201721474940.XU CN201721474940U CN207413109U CN 207413109 U CN207413109 U CN 207413109U CN 201721474940 U CN201721474940 U CN 201721474940U CN 207413109 U CN207413109 U CN 207413109U
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- desulfurizing agent
- coarse powder
- fine powder
- dust extractor
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Abstract
The utility model discloses a kind of desulfurizing agent feed system for dry desulfurization, including coarse powder bin, coarse powder conveying equipment, grinder, fine powder storehouse, pneumatic transport equipment, air-introduced machine and dust extractor；The air outlet of the air-introduced machine is connected with the grinder, the discharge port of the grinder is connected with the air inlet of the dust extractor, the air outlet of the dust extractor is connected with the air inlet of the air-introduced machine, the dust mouth of the dust extractor is connected with the fine powder storehouse, the discharge port in the fine powder storehouse is connected with the feed inlet of the pneumatic transport equipment, the discharge port of the pneumatic transport equipment and the desulfurizing agent inlet communication of desulfurizing tower.The larger sodium acid carbonate grinding of granularity can be refined continuously, collect and supply desulfurizing tower by the utility model, so as to meet requirement of the dry desulfurization to desulfurizing agent, in addition, residual gas returns to air-introduced machine from the air outlet of dust extractor, source of the gas as air-introduced machine, will not so dust be caused to leak, it can be to avoid material waste and environmental pollution.
Description
Technical field
The utility model is related to desulphurization plant fields, relate in particular to a kind of desulfurizing agent for dry desulfurization and supply system
System.
Background technology
After sulfur dioxide enters air, the rainwater that pH value is less than 5.65, this precipitation energy for being commonly called as " acid rain " are easily condensed into
It enough kills forest, poison fish, the health of the mankind but will be injured.China is every year since acid rain and sulfur dioxide pollution object cause
The economic loss of crops, forest and health etc. is up to more than 1,100 hundred million yuan.
Control SO2Discharge become the common actions of countries in the world.To strengthen environmental protection work, China has put into effect one
The policies and measures of series, discharge standard are to limit SO2Discharge.
Other desulfurization method products are liquid or sludge currently on the market, it is more difficult to be handled, equipment corrosion is serious, washing
Flue gas needs reheating afterwards, and high energy consumption takes up a large area, and investment and operating cost are high, and system complex, equipment are huge, water consumption is big, one
Secondary property investment is high.Desulfuration efficiency is relatively low, and absorbent utilization rate is low, and abrasion, scale formation are difficult in terms of plant maintenance than more serious
Spend larger, stability, the reliability of equipment operation be not high, and the service life is shorter, limits the application of such method.
Dry desulfurization refers to remove sulfur compound in flue gas using powdery or granular absorbent, adsorbent or catalyst
Gas.The common desulfurizing agent of dry desulfurization is sodium acid carbonate, and sodium bicarbonate particle degree in the market is larger, it is impossible to meet carbonic acid
The storage of hydrogen sodium and the rigors of reaction condition, therefore design and meet system of the dry desulfurization for desulfurizing agent feed requirement
It is very important.
Utility model content
The technical problem to be solved by the utility model is to provide it is a kind of can be continuously by the larger carbonic acid of granularity
Hydrogen sodium grinding refinement collects and supplies desulfurizing tower, the desulfurizing agent feed system for dry desulfurization of non-secondary pollution.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：A kind of taking off for dry desulfurization
Sulphur agent feed system including coarse powder bin, coarse powder conveying equipment, grinder, fine powder storehouse, pneumatic transport equipment, air-introduced machine and is caught
Dirt device；
The discharge port of the coarse powder bin is connected with the feed inlet of the coarse powder conveying equipment, and the coarse powder conveying equipment goes out
Material mouth is connected with the feed inlet of the grinder, and the air outlet of the air-introduced machine is connected with the grinder, the grinder
Discharge port is connected with the air inlet of the dust extractor, and the air outlet of the dust extractor is connected with the air inlet of the air-introduced machine, institute
The dust mouth for stating dust extractor is connected with the fine powder storehouse, the discharge port in the fine powder storehouse and the feed inlet of the pneumatic transport equipment
Connection, the discharge port of the pneumatic transport equipment and the desulfurizing agent inlet communication of desulfurizing tower.
Further, the dust extractor is mounted on the inside in the fine powder storehouse.
Further, the dust extractor is cyclone dust collectors.
Further, the coarse powder conveying equipment is screw conveyor.
Further, it is separately installed with fluidized plate in the coarse powder bin and the fine powder storehouse.
Further, it is separately installed with expansion joint in the coarse powder bin and the fine powder storehouse.
Further, it is separately installed with electric motor of shaker in the coarse powder bin and the fine powder storehouse.
The beneficial effects of the utility model are embodied in：
The larger sodium acid carbonate grinding of granularity can be refined continuously, collect and supply desulfurization by the utility model
Tower so as to meet requirement of the dry desulfurization to desulfurizing agent, in addition, residual gas returns to air-introduced machine from the air outlet of dust extractor, is made
For the source of the gas of air-introduced machine, will not so dust be caused to leak, it can be to avoid material waste and environmental pollution.
The utility model is simple in structure simultaneously, easy to make, and convenient for safeguarding, non-secondary pollution, floor space is small, runs
Equipment attrition and pipeline scale phenomenon are substantially reduced in journey, desulphurization reaction can be made continuously to run, while solve previous absorbent
Utilization rate is low, and fouling is serious, the serious present situation of equipment attrition.
Description of the drawings
Fig. 1 is the structure diagram of one embodiment of the utility model.
In attached drawing the mark of each component for：1 coarse powder bin, 2 coarse powder conveying equipments, 3 grinders, 4 fine powder storehouses, 5 Geldart-D particles
Equipment, 6 desulfurizing towers, 7 air-introduced machines.
Specific embodiment
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Referring to Fig. 1.
The utility model is used for the desulfurizing agent feed system of dry desulfurization, including coarse powder bin 1, coarse powder conveying equipment 2, grinding
Machine 3, fine powder storehouse 4, pneumatic transport equipment 5, air-introduced machine 7 and dust extractor；
The discharge port of the coarse powder bin 1 is connected with the feed inlet of the coarse powder conveying equipment 2, the coarse powder conveying equipment 2
Discharge port connected with the feed inlet of the grinder 3, the air outlet of the air-introduced machine 7 is connected with the grinder 3, described to grind
The discharge port of grinding machine 3 is connected with the air inlet of the dust extractor, the air inlet of the air outlet of the dust extractor and the air-introduced machine 7
Connection, the dust mouth of the dust extractor are connected with the fine powder storehouse 4, and discharge port and the Geldart-D particle in the fine powder storehouse 4 are set
Standby 5 feed inlet connects, the discharge port of the pneumatic transport equipment 5 and the desulfurizing agent inlet communication of desulfurizing tower 6.
The course of work of the utility model is：The larger sodium acid carbonate of commercially granularity is put into coarse powder bin,
The larger sodium acid carbonate of granularity is sent via coarse powder conveying equipment to grinder afterwards, under the abrasive action of grinder, carbonic acid
The granularity of hydrogen sodium becomes smaller, while air-introduced machine is blown into grinder, and the sodium acid carbonate that such granularity becomes smaller is blown up to form powder
Dirt enters dust extractor from the discharge port of grinder, and then sodium acid carbonate dust is collected and fed into fine powder storehouse by dust extractor, finally
Sodium acid carbonate dust is sent by desulfurizing tower and the SO in flue gas by pneumatic transport equipment2Reaction, the flue gas after desulfurization meet two
The emission request of sulfur oxide, achievees the purpose that flue gas desulfurization.
As can be seen that the larger sodium acid carbonate grinding of granularity can be refined continuously, collected simultaneously by the utility model
Desulfurizing tower is supplied, so as to meet requirement of the dry desulfurization to desulfurizing agent, is drawn in addition, residual gas is returned to from the air outlet of dust extractor
Wind turbine as the source of the gas of air-introduced machine, will not so cause dust to leak, can be to avoid material waste and environmental pollution.
In one embodiment, the dust extractor is mounted on the inside in the fine powder storehouse 4.It so designs, can further subtract
Small occupied space, and the sodium acid carbonate dust collected by dust extractor can so be facilitated to fall directly into fine powder storehouse.It is specific real
Shi Zhong, dust extractor are mounted on the upper inside in the fine powder storehouse 4.For the sake of succinctly describing, section view, this field skill are not carried out in figure
Art personnel should also be as being appreciated that.
In one embodiment, the dust extractor is cyclone dust collectors.Cyclone dust collectors are easily installed, and dust collection is imitated
Fruit is reliable.Certainly, dust extractor can also select bag-type dust, and that preferably treats gravitational settling unit catches dirt equipment.Certainly, necessary feelings
Under condition, residual gas can also be directly discharged into air.
In one embodiment, the coarse powder conveying equipment 2 is screw conveyor.Conveying effect is reliable and adjustable.
In one embodiment, it is separately installed with fluidized plate in the coarse powder bin 1 and the fine powder storehouse 4.So design, it can be with
Make sodium acid carbonate discharge more smooth.
In one embodiment, it is separately installed with expansion joint in the coarse powder bin 1 and the fine powder storehouse 4.Likewise, it so sets
Meter can make sodium acid carbonate discharge more smooth.
In one embodiment, it is separately installed with electric motor of shaker in the coarse powder bin 1 and the fine powder storehouse 4.Likewise, so
Design can make sodium acid carbonate discharge more smooth.
In one embodiment, weighing device is installed on the coarse powder conveying equipment 2, for controlling the carbonic acid for entering grinder
The power unit of hydrogen sodium quantity delivered or the coarse powder conveying equipment 2 is variable-frequency motor, and adjusting coarse powder conveying by variable-frequency motor sets
Standby rotating speed controls the sodium acid carbonate quantity delivered into grinder.
In one embodiment, the Geldart-D particle component 5 is conveying pump group part and storehouse pump group part, and power gas source can be pressure
Contracting air, compressed nitrogen, fluidized wind etc. have the source of the gas of pressure, can control the supply of sodium acid carbonate by adjusting feeding coal.
In one embodiment, the air outlet of the air-introduced machine 7 is connected with the grinder 3 by pipeline, on the pipeline
Air heater is installed.In use, into grinder after being heated by air heater to the outlet air of air-introduced machine, this
Material can be dried in sample, available for the product that gets damp again.
In one embodiment, system further includes vacuum pump, and the vacuum pump is connected with the fine powder storehouse 4.In use, pass through
Vacuum pump carries out fine powder storehouse vacuumize process, and such fine powder storehouse forms negative pressure, can prevent the outside portion of sodium acid carbonate dust from overflowing
Go out, avoid polluting.
It should be understood that example as described herein and embodiment are not intended to limit the utility model, originally only for explanation
Field technology personnel can make various modifications or variation according to it, within the spirit and principle of the utility model, be made
Any modification, equivalent substitution, improvement and etc. should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of desulfurizing agent feed system for dry desulfurization, it is characterised in that：Including coarse powder bin (1), coarse powder conveying equipment
(2), grinder (3), fine powder storehouse (4), pneumatic transport equipment (5), air-introduced machine (7) and dust extractor；
The discharge port of the coarse powder bin (1) is connected with the feed inlet of the coarse powder conveying equipment (2), the coarse powder conveying equipment
(2) discharge port is connected with the feed inlet of the grinder (3), and air outlet and the grinder (3) of the air-introduced machine (7) connect
Logical, the discharge port of the grinder (3) is connected with the air inlet of the dust extractor, the air outlet of the dust extractor and the air inducing
The air inlet connection of machine (7), the dust mouth of the dust extractor are connected with the fine powder storehouse (4), the discharge port of the fine powder storehouse (4)
It is connected with the feed inlet of the pneumatic transport equipment (5), the discharge port of the pneumatic transport equipment (5) and taking off for desulfurizing tower (6)
Sulphur agent inlet communication.
2. the desulfurizing agent feed system of dry desulfurization is used for as described in claim 1, it is characterised in that：The dust extractor installation
In the inside of the fine powder storehouse (4).
3. the desulfurizing agent feed system of dry desulfurization is used for as claimed in claim 1 or 2, it is characterised in that：The dust extractor
For cyclone dust collectors.
4. the desulfurizing agent feed system of dry desulfurization is used for as claimed in claim 1 or 2, it is characterised in that：The coarse powder is defeated
It is screw conveyor to send equipment (2).
5. the desulfurizing agent feed system of dry desulfurization is used for as claimed in claim 1 or 2, it is characterised in that：The coarse powder bin
(1) and in the fine powder storehouse (4) it is separately installed with fluidized plate.
6. the desulfurizing agent feed system of dry desulfurization is used for as claimed in claim 1 or 2, it is characterised in that：The coarse powder bin
(1) and in the fine powder storehouse (4) it is separately installed with expansion joint.
7. the desulfurizing agent feed system of dry desulfurization is used for as claimed in claim 1 or 2, it is characterised in that：The coarse powder bin
(1) and in the fine powder storehouse (4) it is separately installed with electric motor of shaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721474940.XU CN207413109U (en) | 2017-11-08 | 2017-11-08 | A kind of desulfurizing agent feed system for dry desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721474940.XU CN207413109U (en) | 2017-11-08 | 2017-11-08 | A kind of desulfurizing agent feed system for dry desulfurization |
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| CN207413109U true CN207413109U (en) | 2018-05-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999859A (en) * | 2021-03-17 | 2021-06-22 | 河北驰田环保科技有限公司 | High-efficiency desulfurizer for industrial tail gas and preparation method thereof |
-
2017
- 2017-11-08 CN CN201721474940.XU patent/CN207413109U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999859A (en) * | 2021-03-17 | 2021-06-22 | 河北驰田环保科技有限公司 | High-efficiency desulfurizer for industrial tail gas and preparation method thereof |
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