CN106315653B - Desulfurization fixed-end forces system - Google Patents
Desulfurization fixed-end forces system Download PDFInfo
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- CN106315653B CN106315653B CN201610641385.9A CN201610641385A CN106315653B CN 106315653 B CN106315653 B CN 106315653B CN 201610641385 A CN201610641385 A CN 201610641385A CN 106315653 B CN106315653 B CN 106315653B
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- slurries
- vacuum belt
- belt machine
- slurry
- slurry pool
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
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Abstract
The invention discloses a kind of desulfurization fixed-end forces system.It includes slurry pool and oxidation fan, further include cyclone and vacuum belt machine, slurries conveyance conduit is provided between slurry pool and cyclone, slurries pump is provided with slurries conveyance conduit, the entrance of vacuum belt machine is located at below the outlet of cyclone and can make to fall on vacuum belt machine by the slurries tentatively filtered, and vacuum belt machine can send out the slurry formed after the filtering of follow-up slurries.Its advantage is：Whole desulfurization fixed-end forces system automation degree is high, it is not necessary to the too big labour of input, it is easy to operate, practical, and desulfurization solid waste useless is converted into the CaSO of high utility value by the system4·2H2O, can be not only used for cement industry, it can also be used to which refined gypsum industry, so as to improve the reuse ratio of desulfurization solid waste, has rationally promoted value of the double alkali method desulfurizing technology in actual production utilization, realized that economic benefit is rised in value, sexual valence is higher.
Description
Technical field
The present invention relates to a kind of double alkali method desulfurizing system post-processing technology, specifically a kind of desulfurization fixed-end forces system
System.
Background technology
High-density calcined petroleum coke is primarily used for the anode material of electrolytic aluminium, and used raw material postpones powder, calcining
Heat source needed for process is provided by burning it from the volatile matter contained.In the flue gas that volatile combustion produces
Containing harmful substances such as many sulfide, nitride and dust, in response to country advocated walk environment-friendly type economy and can
The road of sustainable development, is all to carry out desulfurization process using double alkali method desulfurizing technology in the prior art, however, it was verified that adopting
With traditional this processing mode, although the discharge quality of flue gas is up to standard, the solid waste after desulfurization is into problem.
Analyzed through result of laboratory test, the solid waste main component after desulfurization is CaSO3·0.5H2O, also have least a portion of CaO and
CaCO3.Due to CaSO3·0.5H2O's is sticky larger, easy fouling and clogging pipeline, therefore these desulfurization solid wastes can only generally fill out
Processing is buried, while expense needed for this processing mode is quite a few, causes double alkali method desulfurizing technology hard to carry in production is used.
The content of the invention
The reuse ratio of desulfurization solid waste can be improved the technical problem to be solved in the present invention is to provide a kind of, so as to improve warp
The desulfurization fixed-end forces system for benefit of helping.
In order to solve the above-mentioned technical problem, desulfurization fixed-end forces system of the invention, including for dissolving desulfurization solid waste simultaneously
Carry out slurries preparation slurry pool and for into slurry pool injection reaction needed for oxygen oxidation fan, further include for into
Go and tentatively filter the cyclone of slurries moisture and for carrying out subsequently extracting the moisture in slurries so as to form the vacuum of slurry
Belt feeder, is provided with slurries conveyance conduit between slurry pool and cyclone, slurries pump, vacuum skin are provided with slurries conveyance conduit
Entrance with machine is located at below the outlet of cyclone and can make to fall on vacuum belt machine by the slurries tentatively filtered, vacuum
The slurry formed after the moisture that belt feeder will can be extracted in slurries is sent out.
The side of the slurry pool is provided with the blender for being stirred to slurries.
The side of the slurry pool is additionally provided with for detecting pH value, liquid level, density parameter information in slurry pool in real time
Detection device.
There is the water pipe for being used for the water filling into slurry pool in the slurry pool, aqueduct valve is provided with the water pipe.
The sulfuric acid solution conveyance conduit for injecting sulfuric acid solution into slurry pool is provided with the slurry pool, sulfuric acid is molten
Sulfuric acid solution conveyance conduit valve is provided with liquid conveyance conduit.
The slurries after by preliminary filtering are provided with the vacuum belt machine and are evenly arranged in the defeated of vacuum belt machine
Send the vacuum belt machine distributing device taken.
The mixing liquid storage tank of the waste liquid for collecting vacuum belt machine, the eddy flow are provided with below the vacuum belt machine
Device, the waste liquid of vacuum belt machine are sent in mixing liquid storage tank by waste liquid delivery pipe.
Drainage tank is additionally provided with below the vacuum belt machine, the Drainage tank has two-way pipeline, a pipeline connection
Below vacuum belt machine, in addition pipeline connection mixing liquid storage tank, the Drainage tank are also connected with vacuum pump all the way, the vacuum
Pump connection mixing liquid storage tank.
Belted electronic balance is provided with below the rear side of the vacuum belt machine, the belted electronic balance 13 being capable of quantitative statistics
The quantitative value of finished product is simultaneously delivered to stacking place.
A kind of processing method using above-mentioned desulfurization fixed-end forces system, it is characterised in that comprise the following steps：
A, solid waste caused by double alkali method desulfurizing is poured into slurry pool, aqueduct valve open, toward slurry pool in water filling；
B, using blender prolonged agitation water, desulfurization solid waste is quickly dissolved mixing, while open sulfuric acid solution conveying
Pipeline valve, adds H2SO4, and keep pH value；
C, oxidation fan is opened, and injects air toward slurry pool is interior；
D, pH value, liquid level, the parameter of density in slurry pool are detected in real time using detection device, when density reaches setting value
Afterwards, cyclone is delivered to by slurries pump；
E, cyclone tentatively filters slurries drying partial moisture, and the vacuum belt machine being then sent under cyclone, passes through
Preliminary filtering rear slurry is evenly arranged on the conveyer belt of vacuum belt machine by distributing device, in slurry moving process, by true
Empty belt feeder further extracts moisture contained in slurries, slurries is delivered to after forming slurry on belted electronic balance；
F, place, while the quantitative value of quantitative statistics finished product are stacked in the finished product conveying after belted electronic balance will be filtered dry.
Beneficial effects of the present invention are：Whole desulfurization fixed-end forces system automation degree is high, it is not necessary to which input is too big
Labour, it is easy to operate, practical, desulfurization solid waste useless is converted into the CaSO of high utility value by the system4·2H2O,
It can be not only used for cement industry, it can also be used to which refined gypsum industry, so as to improve the reuse ratio of desulfurization solid waste, is rationally promoted
Value of the double alkali method desulfurizing technology in actual production utilization, realizes that economic benefit is rised in value, sexual valence is higher.
Brief description of the drawings
Fig. 1 is the structure diagram of inventive desulfurization fixed-end forces system.
Embodiment
With reference to the accompanying drawings and detailed description, the desulfurization fixed-end forces system of the present invention is made further specifically
It is bright.
As shown in the figure, the desulfurization fixed-end forces system of the present invention, including for dissolving desulfurization solid waste and carrying out slurries preparation
Slurry pool 1 and oxidation fan 2 for injecting from oxygen needed for reaction enough to slurry pool, the side of slurry pool 1 is set
The blender 7 being stirred to slurries is useful for, blender 7 prevents from precipitating come the slurries stirred in slurry pool；The one of slurry pool 1
Side is additionally provided with for detecting the pH value in slurry pool, liquid level, the detection device 8 of the parameter information such as density in real time, in slurry pool 1
With the water pipe 9 for the water filling into slurry pool, aqueduct valve is provided with water pipe 9, is provided with and is used for slurries in slurry pool 1
The sulfuric acid solution conveyance conduit 10 of sulfuric acid solution is injected in pond, sulfuric acid solution delivery pipe is provided with sulfuric acid solution conveyance conduit 10
Road valve, aqueduct valve and sulfuric acid solution conveyance conduit valve are used for controlling respective rate-of flow, further include for carrying out just
Step filters the cyclone 3 of (coarse filtration) slurries moisture and for subsequently being drawn the moisture in (essence filtering) slurries so as to shape
Into slurry or the vacuum belt machine 4 of approximate dry finish, it is provided with vacuum belt machine 4 after it will tentatively filter (coarse filtration)
Underflow liquid is evenly arranged in the vacuum belt machine distributing device 11 on the conveyer belt of vacuum belt machine, between slurry pool 1 and cyclone 3
Slurries conveyance conduit 5 is provided with, slurries pump 6 is provided with slurries conveyance conduit 5, the entrance of vacuum belt machine 4 is located at cyclone 3
Outlet below and can make to fall on vacuum belt machine 4 by the slurries tentatively filtered, the rear side of vacuum belt machine 4 lower section is set
Belted electronic balance 13 is equipped with, the slurry or approximate dry finish that vacuum belt machine 4 is formed after can subsequently absorbing water are sent to
On belted electronic balance 13, belted electronic balance 13, which is capable of the quantitative value of quantitative statistics finished product and is delivered to, stacks place.
Further, the described lower section of vacuum belt machine 4 is provided with the mixing liquid storage tank 14 for collecting waste liquid, cyclone
3rd, the waste liquid of vacuum belt machine 4 is sent in mixing liquid storage tank 14 by waste liquid delivery pipe, the row of being additionally provided with below vacuum belt machine
Flow container 15, Drainage tank have two-way pipeline, and a pipeline is connected to below vacuum belt machine, and in addition pipeline connects mixed liquor all the way
Storage tank 14, Drainage tank 15 are also connected with vacuum pump 12, the connection mixing liquid storage tank of vacuum pump 12.
A kind of processing method of above-mentioned desulfurization fixed-end forces system, it is characterised in that comprise the following steps：
A, solid waste caused by double alkali method desulfurizing is poured into slurry pool, aqueduct valve open, toward slurry pool in water filling；
B, using blender prolonged agitation water, desulfurization solid waste is quickly dissolved mixing, while open sulfuric acid solution conveying
Pipeline valve, adds suitable H2SO4, and certain pH value is kept, in water and H2SO4Under the action of solution, CaO and CaCO3With
H2SO4Chemical reaction generation CaSO4, and CaSO3·0.5H2O soluble increases in acid condition；
C, oxidation fan is opened, and injects air, CaSO toward slurry pool is interior3·0.5H2O is converted into through forcing to aoxidize
CaSO4.2H2O；
D, the relevant parameters such as pH value in slurry pool, liquid level, density are detected in real time using detection device, are set when density reaches
After definite value, cyclone is delivered to by slurries pump；
E, cyclone tentatively filters slurries drying partial moisture, and the vacuum belt machine being then sent under cyclone, passes through
Underflow liquid after preliminary filtering is evenly arranged on the conveyer belt of vacuum belt machine by distributing device, in slurry moving process, is passed through
Vacuum belt machine further extracts slurries contained humidity, slurries is delivered to after forming slurry on belted electronic balance；
F, belted electronic balance, which conveys the finished product after being filtered dry (slurry), stacks place, while the quantity of quantitative statistics finished product
Value.
Wherein, dilute slurry, the thin pulp water of vacuum belt machine extraction discharged after cyclone coarse filtration, and vacuum belt machine
The waste water of (vacuum belt machine can be backwashed) backwash is all flowed into by pipeline in following mixing liquid storage tank, is mixed
The side of liquid storage tank is provided with filtrate pump 16, and the mixed liquor mixed in liquid storage tank is transmitted back in slurry pool instead again by filtrate pump 16
It is multiple to utilize.
In processing procedure, a part of slurries are delivered to follow-up slurries processing unit (cyclone 3, vacuum belt by slurries pump
Machine 4) processing when, then toward desulfurization solid waste, and appropriate supplement sulfuric acid solution, industry water etc. is poured into slurry pool, when in slurry pool
Detection device detect associated pH in slurry pool, liquid level, density when Parameters variation reaches setting value, slurries pump startup work
Make, thus circulated in cycles.
After process above is handled, Dual alkali solid waste is eventually converted into that purity is higher, utility value is larger
CaSO4.2H2O, can be not only used for cement industry, it can also be used to which refined gypsum industry and ceramic mold industry etc., the scope of application is wider.
Claims (8)
- A kind of 1. desulfurization fixed-end forces system, it is characterised in that：Including for dissolving desulfurization solid waste and carry out the slurry of slurries preparation Liquid pool（1）And the oxidation fan for oxygen needed for the injection reaction into slurry pool（2）, further include for tentatively being filtered The cyclone of slurries moisture（3）And for carrying out subsequently extracting the moisture in slurries so as to form the vacuum belt machine of slurry （4）, the slurry pool（1）With cyclone（3）Between be provided with slurries conveyance conduit（5）, the slurries conveyance conduit（5）On set It is equipped with slurries pump（6）, the vacuum belt machine（4）Entrance be located at cyclone（3）Outlet below and can make by preliminary The slurries of filtering fall on vacuum belt machine（4）On, the vacuum belt machine（4）Can be by the shape after extracting the moisture in slurries Into slurry send out；The slurry pool（1）Inside it is provided with the sulfuric acid solution delivery pipe for injecting sulfuric acid solution into slurry pool Road（10）, sulfuric acid solution conveyance conduit（10）On be provided with sulfuric acid solution conveyance conduit valve, the vacuum belt machine（4）On set It is equipped with the vacuum belt machine distributing device that the slurries after by preliminary filtering are evenly arranged on the conveyer belt of vacuum belt machine （11）.
- 2. desulfurization fixed-end forces system described in accordance with the claim 1, it is characterised in that：The slurry pool（1）Side set It is useful for the blender being stirred to slurries（7）.
- 3. according to the desulfurization fixed-end forces system described in claim 1 or 2, it is characterised in that：The slurry pool（1）Side also It is provided with for detecting pH value, liquid level, the detection device of density parameter information in slurry pool in real time（8）.
- 4. desulfurization fixed-end forces system described in accordance with the claim 3, it is characterised in that：The slurry pool（1）It is interior have be used for The water pipe of water filling into slurry pool（9）, the water pipe（9）On be provided with aqueduct valve.
- 5. according to the desulfurization fixed-end forces system described in claim 4, it is characterised in that：The vacuum belt machine（4）Lower section is set It is equipped with the mixing liquid storage tank of waste liquid after being filtered for collection（14）, the cyclone（3）, vacuum belt machine（4）Waste liquid pass through it is useless Liquid delivery pipe is sent to mixing liquid storage tank（14）It is interior.
- 6. according to the desulfurization fixed-end forces system described in claim 5, it is characterised in that：The vacuum belt conveyer（4）Under Side is additionally provided with Drainage tank（15）, the Drainage tank（15）With two-way output pipe, an output pipe is directly connected to mix Liquid storage tank（14）, in addition output pipe connects a vacuum pump all the way（12）, vacuum pump（12）Connection mixing liquid storage tank（14）.
- 7. desulfurization fixed-end forces system described in accordance with the claim 1, it is characterised in that：The vacuum belt machine（4）Rear side Lower section is provided with belted electronic balance（13）, the belted electronic balance（13）It is capable of the quantitative value of quantitative statistics finished product and is delivered to heap Put place.
- A kind of 8. processing method using the desulfurization fixed-end forces system as described in one of claim 1-7, it is characterised in that including Following steps：A, solid waste caused by double alkali method desulfurizing is poured into slurry pool, aqueduct valve open, toward slurry pool in water filling；B, using blender prolonged agitation water, desulfurization solid waste is made quickly to dissolve mixing, while open sulfuric acid solution conveyance conduit Valve, adds H2SO4, and keep pH value；C, oxidation fan is opened, and injects air toward slurry pool is interior；D, pH value, liquid level, the parameter of density in slurry pool are detected in real time using detection device, after density reaches setting value, Cyclone is delivered to by slurries pump；E, cyclone tentatively filters slurries drying partial moisture, and the vacuum belt machine being then sent under cyclone, passes through cloth Preliminary filtering rear slurry is evenly arranged on the conveyer belt of vacuum belt machine by device, in slurry moving process, passes through vacuum skin Band machine further filters slurries, slurries is delivered to after forming slurry on belted electronic balance；F, place, while the quantitative value of quantitative statistics finished product are stacked in the finished product conveying after belted electronic balance will be filtered dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610641385.9A CN106315653B (en) | 2016-08-05 | 2016-08-05 | Desulfurization fixed-end forces system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610641385.9A CN106315653B (en) | 2016-08-05 | 2016-08-05 | Desulfurization fixed-end forces system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106315653A CN106315653A (en) | 2017-01-11 |
| CN106315653B true CN106315653B (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610641385.9A Active CN106315653B (en) | 2016-08-05 | 2016-08-05 | Desulfurization fixed-end forces system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201643976U (en) * | 2010-04-08 | 2010-11-24 | 北京至清时光环保工程技术有限公司 | Double-loop vertical jet wet-method desulfurization device used for preparing desulfurizing agent by utilizing carbide slag |
| CN204182281U (en) * | 2014-08-19 | 2015-03-04 | 浙江大学 | A kind of high-efficiency desulfurization list tower binary cycle system |
| CN105289232A (en) * | 2015-10-23 | 2016-02-03 | 深圳市广鸿海建筑工程有限公司 | Equipment capable of preparing gypsum while performing desulfurizing |
| CN206126871U (en) * | 2016-08-05 | 2017-04-26 | 江苏苏亚迪炭材有限公司 | Desulfurization processing system useless admittedly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6349179B2 (en) * | 2014-07-17 | 2018-06-27 | 三菱日立パワーシステムズ株式会社 | Flue gas desulfurization apparatus and operation method thereof |
-
2016
- 2016-08-05 CN CN201610641385.9A patent/CN106315653B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201643976U (en) * | 2010-04-08 | 2010-11-24 | 北京至清时光环保工程技术有限公司 | Double-loop vertical jet wet-method desulfurization device used for preparing desulfurizing agent by utilizing carbide slag |
| CN204182281U (en) * | 2014-08-19 | 2015-03-04 | 浙江大学 | A kind of high-efficiency desulfurization list tower binary cycle system |
| CN105289232A (en) * | 2015-10-23 | 2016-02-03 | 深圳市广鸿海建筑工程有限公司 | Equipment capable of preparing gypsum while performing desulfurizing |
| CN206126871U (en) * | 2016-08-05 | 2017-04-26 | 江苏苏亚迪炭材有限公司 | Desulfurization processing system useless admittedly |
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| Publication number | Publication date |
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| CN106315653A (en) | 2017-01-11 |
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