CN106315653A - Desulfuration solid waste disposal system - Google Patents
Desulfuration solid waste disposal system Download PDFInfo
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- CN106315653A CN106315653A CN201610641385.9A CN201610641385A CN106315653A CN 106315653 A CN106315653 A CN 106315653A CN 201610641385 A CN201610641385 A CN 201610641385A CN 106315653 A CN106315653 A CN 106315653A
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- slurry
- serosity
- vacuum belt
- solid waste
- 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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- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a desulfuration solid waste disposal system which comprises a slurry pond and an oxidation air blower. The desulfuration solid waste disposal system further comprises a hydrocyclone and a vacuum belt conveyor. A slurry conveying pipeline is arranged between the slurry pond and the hydrocyclone, a slurry pump is arranged on the slurry conveying pipeline, an inlet of the vacuum belt conveyor is located below an outlet of the hydrocyclone so that slurry obtained after preliminary filtering can be made to fall on the vacuum belt conveyor, and the vacuum belt conveyor can deliver slurry formed after follow-up slurry filtration. The desulfuration solid waste disposal system has the advantages that the whole desulfuration solid waste disposal system is high in automatic degree, does not need excessively large labor force, and is easy and convenient to operate and practical, useless desulfuration solid waste is converted into CaSO4.2H2O with high use value through the system, the desulfuration solid waste disposal system can be used for the cement industry and can also be used for the gypsum refining industry, and therefore the desulfuration solid waste reuse rate is increased, the value of the double-alkali desulfurization technology in actual production application is reasonably promoted, economic benefits are increased, and the cost performance is high.
Description
Technical field
The present invention relates to a kind of double alkali method desulfurizing system post-processing technology, specifically one desulfurization fixed-end forces system
System.
Background technology
High-density calcined petroleum coke is primarily used for the anode material of electrolytic aluminium, and the raw material used postpones powder, in calcining
Thermal source required in the course of processing is that it provides from the volatile matter contained by burning.In the flue gas that volatile combustion produces
Containing harmful substances such as a lot of sulfide, nitride and dust, in response to country advocated walk environment-friendly type economy and can
The road of sustainable development, is all to use double alkali method desulfurizing technology to carry out desulfurization process in prior art, but, in practice it has proved that, adopt
By traditional this processing mode, although the discharge quality of flue gas is the most up to standard, but the solid waste after desulfurization has become a difficult problem.
Through result of laboratory test analysis, the solid waste after desulfurization is mainly composed of CaSO3·0.5H2O, the most least a portion of CaO and
CaCO3.Due to CaSO3·0.5H2The viscosity of O is relatively big, and easy fouling and clogging pipeline, therefore these desulfurization solid wastes typically can only be filled out
Burying process, needed for the most this processing mode, expense is quite a few, causes double alkali method desulfurizing technology hard to carry in producing utilization.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of reuse ratio that can improve desulfurization solid waste, thus improves warp
The desulfurization fixed-end forces system of Ji benefit.
In order to solve above-mentioned technical problem, the desulfurization fixed-end forces system of the present invention, including for dissolving desulfurization solid waste also
Carry out slurry pool prepared by serosity and the oxidation fan reacting required oxygen for injection in slurry pool, also include for entering
Row tentatively filters the cyclone of serosity moisture and forms the vacuum of slurry for carrying out the moisture in follow-up extraction serosity
Belt feeder, is provided with serosity conveyance conduit between slurry pool and cyclone, serosity conveyance conduit is provided with serosity pump, vacuum skin
Entrance with machine is positioned at below the outlet of cyclone and can make to fall on vacuum belt machine through the preliminary serosity filtered, vacuum
The slurry formed after moisture in extraction serosity can be sent by belt feeder.
The side of described slurry pool is provided with the agitator for being stirred serosity.
The side of described slurry pool is additionally provided with the pH value in detection slurry pool in real time, liquid level, density parameter information
Detection device.
There is in described slurry pool the water pipe for water filling in slurry pool, described water pipe is provided with aqueduct valve.
Being provided with the sulfuric acid solution conveyance conduit for injecting sulfuric acid solution in slurry pool in described slurry pool, sulphuric acid is molten
Sulfuric acid solution conveyance conduit valve it is provided with on liquid conveyance conduit.
It is provided with the serosity after tentatively filtering on described vacuum belt machine and is evenly arranged in the defeated of vacuum belt machine
Send the vacuum belt machine distributing device on band.
The mixed liquor storage tank for collecting waste liquid, described cyclone, vacuum belt it is provided with below described vacuum belt machine
The waste liquid of machine is delivered in mixed liquor storage tank by waste liquid conveying pipe.
Being additionally provided with discharge opeing below described vacuum belt machine to fill, described discharge opeing fills has two-way pipeline, and a pipeline connects
Below vacuum belt machine, an other road pipeline connects mixed liquor storage tank, described also fill vacuum pump with discharge opeing and is connected, described vacuum
Pump connects mixed liquor storage tank.
Being provided with belted electronic balance below the rear side of described vacuum belt machine, described belted electronic balance 13 can quantitative statistics
The quantitative value of finished product also is delivered to stack place.
A kind of processing method using above-mentioned desulfurization fixed-end forces system, it is characterised in that comprise the following steps:
A, pouring in slurry pool by solid waste produced by double alkali method desulfurizing, aqueduct valve is opened, water filling in slurry pool;
B, utilize agitator prolonged agitation water, make desulfurization solid waste rapid solution mix, open sulfuric acid solution conveyance conduit simultaneously
Valve, adds H2SO4, and keep pH value;
C, oxidation fan are opened, and inject air in slurry pool;
D, utilization detection device detect the parameter of the pH value in slurry pool, liquid level, density in real time, after density reaches setting value,
By serosity transport pump to cyclone;
E, cyclone dry portion of water to preliminary filtration of serosity, are then sent to the vacuum belt machine under cyclone, pass through cloth
Device is evenly arranged in tentatively filtering rear slurry on the conveyer belt of vacuum belt machine, in slurry moving process, by vacuum skin
Extract moisture contained in serosity with machine further, make serosity be delivered on belted electronic balance after forming slurry;
Place, the simultaneously quantitative value of quantitative statistics finished product are stacked in finished product conveying after F, belted electronic balance will be filtered dry.
The invention have the benefit that whole desulfurization fixed-end forces system automation degree is high, it is not necessary to put into the biggest
Labour force, easy and simple to handle, practical, by this system, desulfurization solid waste useless is converted into the CaSO of high value4·2H2O,
Can be not only used for cement industry it can also be used to refine Gypsum Fibrosum industry, thus improve the reuse ratio of desulfurization solid waste, rationally promote
Double alkali method desulfurizing technology value in actual production is used, it is achieved economic benefit is rised in value, and cost performance is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of inventive desulfurization fixed-end forces system.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention, the desulfurization fixed-end forces system of the present invention is made the most specifically
Bright.
As it can be seen, the desulfurization fixed-end forces system of the present invention, including for dissolving desulfurization solid waste and carrying out serosity and prepare
Slurry pool 1 and for injecting the oxidation fan 2 of the enough required oxygen of reaction in slurry pool, the side setting of slurry pool 1
Having the agitator 7 for being stirred serosity, agitator 7 stirs the serosity in slurry pool and prevents precipitation;The one of slurry pool 1
Side is additionally provided with the detection device 8 of the parameter informations such as the pH value in detection slurry pool in real time, liquid level, density, in slurry pool 1
There is the water pipe 9 for water filling in slurry pool, water pipe 9 is provided with aqueduct valve, is provided with for serosity in slurry pool 1
Inject the sulfuric acid solution conveyance conduit 10 of sulfuric acid solution in pond, sulfuric acid solution conveyance conduit 10 is provided with sulfuric acid solution conveying pipe
Road valve, aqueduct valve and sulfuric acid solution conveyance conduit valve are used for controlling respective rate-of flow, also include at the beginning of carrying out
Step filters the cyclone 3 of (coarse filtration) serosity moisture and is used for carrying out the moisture in follow-up absorption (essence filters) serosity thus shape
Form slurry or the vacuum belt machine 4 of approximation dry finish, vacuum belt machine 4 is provided with after tentatively filtering (coarse filtration)
The vacuum belt machine distributing device 11 that underflow liquid is evenly arranged on the conveyer belt of vacuum belt machine, between slurry pool 1 and cyclone 3
Being provided with serosity conveyance conduit 5, serosity conveyance conduit 5 is provided with serosity pump 6, the entrance of vacuum belt machine 4 is positioned at cyclone 3
Outlet below and can make to fall on vacuum belt machine 4 through the preliminary serosity filtered, set below the rear side of vacuum belt machine 4
Being equipped with belted electronic balance 13, the slurry formed after follow-up absorbing water or approximation dry finish can be sent to by vacuum belt machine 4
On belted electronic balance 13, belted electronic balance 13 can the quantitative value of quantitative statistics finished product be delivered to stack place.
Further, the mixed liquor storage tank 14 for collecting waste liquid, cyclone it are provided with below described vacuum belt machine 4
3, the waste liquid of vacuum belt machine 4 is delivered in mixed liquor storage tank 14 by waste liquid conveying pipe, the row of being additionally provided with below vacuum belt machine
Liquid fills 15, and discharge opeing fills has two-way pipeline, and a pipeline is connected to below vacuum belt machine, and an other road pipeline connects mixed liquor
Storage tank 14, discharge opeing fills 15 and is also connected with discharge opeing filling vacuum pump, and vacuum pump connects mixed liquor storage tank.
The processing method of a kind of above-mentioned desulfurization fixed-end forces system, it is characterised in that comprise the following steps:
A, pouring in slurry pool by solid waste produced by double alkali method desulfurizing, aqueduct valve is opened, water filling in slurry pool;
B, utilize agitator prolonged agitation water, make desulfurization solid waste rapid solution mix, open sulfuric acid solution conveyance conduit simultaneously
Valve, adds appropriate H2SO4, and keep certain pH value, at water and H2SO4Under the effect of solution, CaO and CaCO3With H2SO4
Chemical reaction generates CaSO4, and CaSO3•0.5H2O solubility in acid condition increases;
C, oxidation fan are opened, and inject air, CaSO in slurry pool3•0.5H2O is converted into through forcing oxidation
CaSO4.2H2O;
D, utilization detection device detect the relevant parameters such as the pH value in slurry pool, liquid level, density, in real time when density reaches setting value
After, by serosity transport pump to cyclone;
E, cyclone dry portion of water to preliminary filtration of serosity, are then sent to the vacuum belt machine under cyclone, pass through cloth
After device will tentatively filter, underflow liquid is evenly arranged on the conveyer belt of vacuum belt machine, in slurry moving process, passes through vacuum
Belt feeder extracts serosity contained humidity further, makes serosity be delivered on belted electronic balance after forming slurry;
Place, the simultaneously quantitative value of quantitative statistics finished product are stacked in finished product (slurry) conveying after F, belted electronic balance will be filtered dry.
Wherein, the thin pulp water that after cyclone coarse filtration, the dilute slurry of discharge, vacuum belt machine are extracted out, and vacuum belt machine
The waste water of (vacuum belt machine can carry out backwash) backwash all flows in following mixed liquor storage tank by pipeline, mixing
The side of liquid storage tank is provided with filtrate pump 16, and the mixed liquor in mixed liquor storage tank is transmitted back in slurry pool instead by filtrate pump 16 again
Multiple utilization.
In processing procedure, a part of serosity is by serosity transport pump to follow-up serosity processing means (cyclone 3, vacuum belt
Machine 4) add man-hour, then toward pouring desulfurization solid waste in slurry pool into and suitable supplementary sulfuric acid solution, industry water etc., when in slurry pool
Detection device detect when the Parameters variation such as the relevant pH value in slurry pool, liquid level, density reach setting value, serosity pump startup work
Make, thus carry out the circulation that goes round and begins again.
After process above processes, Dual alkali solid waste is eventually converted into that purity is higher, value is bigger
CaSO4.2H2O, can be not only used for cement industry it can also be used to refined Gypsum Fibrosum industry and ceramic die industry etc., and the scope of application is wider.
Claims (10)
1. a desulfurization fixed-end forces system, it is characterised in that: include for dissolving desulfurization solid waste and carrying out slurry prepared by serosity
Liquid pool (1) and for injecting the oxidation fan (2) of the required oxygen of reaction in slurry pool, also includes for tentatively filtering
The cyclone (3) of serosity moisture and be used for carrying out the moisture in subsequent filter serosity thus form the vacuum belt machine of slurry
(4), it is provided with serosity conveyance conduit (5) between described slurry pool (1) and cyclone (3), described serosity conveyance conduit (5) sets
Being equipped with serosity pump (6), the entrance of described vacuum belt machine (4) is positioned at below the outlet of cyclone (3) and can make through tentatively
The serosity filtered is fallen on vacuum belt machine (4), and described vacuum belt machine (4) can be by formation after follow-up serosity filters
Slurry is sent.
2. according to the desulfurization fixed-end forces system described in claim 1, it is characterised in that: the side of described slurry pool (1) is arranged
There is the agitator (7) for serosity is stirred.
3. according to the desulfurization fixed-end forces system described in claim 1 or 2, it is characterised in that: the side of described slurry pool (1) is also
It is provided with the pH value in detection slurry pool in real time, liquid level, the detection device (8) of density parameter information.
4. according to the desulfurization fixed-end forces system described in claim 3, it is characterised in that: have in described slurry pool (1) for
The water pipe (9) of water filling in slurry pool, described water pipe is provided with aqueduct valve on (9).
5. according to the desulfurization fixed-end forces system described in claim 4, it is characterised in that: described slurry pool is provided with use in (1)
In injecting the sulfuric acid solution conveyance conduit (10) of sulfuric acid solution in slurry pool, sulfuric acid solution conveyance conduit is provided with sulfur on (10)
Acid solution conveyance conduit valve.
6. according to the desulfurization fixed-end forces system described in claim 5, it is characterised in that: on described vacuum belt conveyer (4)
It is provided with the vacuum belt conveyer cloth for being evenly arranged on the conveyer belt of vacuum belt machine by the serosity after tentatively filter
Device (11).
7. according to the desulfurization fixed-end forces system described in claim 6, it is characterised in that: under described vacuum belt conveyer (4)
Side is provided with the mixed liquor storage tank (14) of waste liquid after collecting filter, described cyclone (3), vacuum belt conveyer (4) useless
Liquid is delivered in mixed liquor storage tank (14) by waste liquid conveying pipe.
8. according to the desulfurization fixed-end forces system described in claim 7, it is characterised in that: under described vacuum belt conveyer (4)
Side is additionally provided with discharge opeing and fills (15), and described discharge opeing fills (15) and has two-way output pipe, and an output pipe is directly connected to mixing
Liquid storage tank (14), an other road output pipe connects a vacuum pump (12), and vacuum pump (12) connects mixed liquor storage tank (14).
9. according to the desulfurization fixed-end forces system described in claim 1, it is characterised in that: the rear side of described vacuum belt machine (4)
Lower section is provided with belted electronic balance (13), and described belted electronic balance (13) can the quantitative value of quantitative statistics finished product be delivered to heap
Put place.
10. one kind uses the processing method of desulfurization fixed-end forces system as described in one of claim 1-9, it is characterised in that bag
Include following steps:
A, pouring in slurry pool by solid waste produced by double alkali method desulfurizing, aqueduct valve is opened, water filling in slurry pool;
B, utilize agitator prolonged agitation water, make desulfurization solid waste rapid solution mix, open sulfuric acid solution conveyance conduit simultaneously
Valve, adds H2SO4, and keep pH value;
C, oxidation fan are opened, and inject air in slurry pool;
D, utilization detection device detect the parameter of the pH value in slurry pool, liquid level, density in real time, after density reaches setting value,
By serosity transport pump to cyclone;
E, cyclone dry portion of water, the vacuum belt conveyer being then sent under cyclone to preliminary filtration of serosity, pass through
Distributing device is evenly arranged in tentatively filtering rear slurry on the conveyer belt of vacuum belt machine, in slurry moving process, by very
Empty belt feeder filters serosity further, makes serosity be delivered on belted electronic balance after forming slurry;
Place, the simultaneously quantitative value of quantitative statistics finished product are stacked in finished product conveying after F, belted electronic balance will be filtered dry.
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CN201610641385.9A CN106315653B (en) | 2016-08-05 | 2016-08-05 | Desulfurization fixed-end forces system |
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CN201610641385.9A CN106315653B (en) | 2016-08-05 | 2016-08-05 | Desulfurization fixed-end forces system |
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CN106315653B CN106315653B (en) | 2018-05-01 |
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Citations (5)
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 |
WO2016010135A1 (en) * | 2014-07-17 | 2016-01-21 | 三菱日立パワーシステムズ株式会社 | Flue gas desulfurization apparatus and method of operating same |
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 |
-
2016
- 2016-08-05 CN CN201610641385.9A patent/CN106315653B/en active Active
Patent Citations (5)
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 |
WO2016010135A1 (en) * | 2014-07-17 | 2016-01-21 | 三菱日立パワーシステムズ株式会社 | Flue gas desulfurization apparatus and method of operating same |
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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