CN104368237B - Wet desulphurization pulping system - Google Patents
Wet desulphurization pulping system Download PDFInfo
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- CN104368237B CN104368237B CN201410704650.4A CN201410704650A CN104368237B CN 104368237 B CN104368237 B CN 104368237B CN 201410704650 A CN201410704650 A CN 201410704650A CN 104368237 B CN104368237 B CN 104368237B
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- slurrying pond
- blanking
- limestone powder
- powder bin
- flange
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Abstract
The invention discloses a kind of wet desulphurization pulping system, including limestone powder bin, slurrying pond, described limestone powder bin is fixed and on ground by steel construction supporting leg, the vertical lower of limestone powder bin is located in slurrying pond, it is provided with Weighing feeder between limestone powder bin and slurrying pond, limestone powder bin bottom is connected with blanking magazine, blanking magazine bottom is provided with blanking valve, the bottom of push-pull valve or gate valve is provided with lower flange, the top of described Weighing feeder is provided with upper flange, blanking valve and Weighing feeder pass through lower flange, upper flange connects, described Weighing feeder bottom is provided with tremie pipe, tremie pipe is connected with Weighing feeder by flange, tremie pipe extends downward slurrying pond, slurrying pond is provided with agitator in the middle of top, below ground is located in slurrying pond.Powder of the present invention fall directly into be positioned at lower section in stock tank, it is possible to reduce floor space, shorten transport path, reduce investment energy consumption, reduce " reentrainment of dust " phenomenon, improve site environment.
Description
Technical field
The present invention relates to wet desulphurization equipment technical field, particularly to a kind of wet desulphurization pulping system.
Background technology
Limestone (powder) gypsum wet desulphurization slurrying pulp feeding system is set by feed bin and auxiliary device thereof, feed
Standby, stirring pulping tank, the equipment such as slurry supply pump composition, conventional feed flow process be usually powder by push-pull valve or
Gate valve feed is weighed screw(-type) feeder or belt feeder of weighing, then by screw(-type) feeder or the belt of weighing of weighing
Batcher is transported to pulping tank slurrying.This pulping system there is the problem that one is that floor space is big, throws
The phenomenon that money is higher with energy consumption；Two is owing to feed path is longer, and the powder moisture absorption easily blocks, due to powder
Leakage causes reentrainment of dust and energy consumption investment higher.
Summary of the invention
The purpose of the present invention is exactly for solving the problems referred to above that prior art exists, it is provided that a kind of wet desulphurization system
Slurry system；The present invention improves simplification feed flow process, and powder uses rotary feeder feed, in the bottom of feed bin
Arranging concrete-agitating pond, powder is fallen directly into by rotary feeder in the confession stock tank being positioned at lower section, decreases
Floor space, has shortened transport path, simplifies feed flow process, decreases investment, reduces energy consumption, reduces
" reentrainment of dust " phenomenon and reduce equipment investment and energy consumption, improves site environment, it is to avoid occur new
Pollution problem.
The present invention solves the technical scheme of technical problem:
A kind of wet desulphurization pulping system, including limestone powder bin, slurrying pond, described limestone powder bin passes through
Steel construction supporting leg is fixing with on ground, and the vertical lower of limestone powder bin, described Calx are located in described slurrying pond
Being provided with Weighing feeder between stone powder storehouse and slurrying pond, limestone powder bin bottom is connected with blanking magazine, blanking
Magazine bottom is provided with blanking valve, and the bottom of described blanking valve is provided with lower flange, described Weighing feeder
Top is provided with upper flange, and described blanking valve is connected by lower flange, upper flange with Weighing feeder, described
Weighing feeder bottom is provided with tremie pipe, and described tremie pipe is connected with Weighing feeder by flange, described under
Material pipe extends downward slurrying pond, is provided with agitator in the middle of top, described slurrying pond, and ground is located in described slurrying pond
Below face.
Top, described slurrying pond is provided with guard seal device in tremie pipe side, and described guard seal device includes
Cylinder, the piston rod of described cylinder is connected with the sealing baffle of bottom, and sealing baffle coordinates with blanking port, falls
Material nozzle flange is provided with sealing gasket, and spacing collision block is bolted with the flange of cylinder bottom, seals gear
Plate opens or closes by electromagnetic valve control and interlocks with electronic rotary feeder of weighing.
The top in described slurrying pond is provided with the drain of bending, is provided with silk screen in the straight length pipeline of drain
Demister.
Described slurrying pond is provided with overfall, and the opening of described overfall is located at slurrying pond below normal level 1-3m
Position, overfall by adapter with discharge trench be connected.
Described slurrying pond uses xoncrete structure to make.
Described Weighing feeder uses rotary feeder of weighing.
Described blanking valve uses push-pull valve or gate valve.
Beneficial effects of the present invention:
1. the blanking magazine of the present invention is directly connected to, by push-pull valve or gate valve lower flange, rotary feeder of weighing
Upper flange, powder cabin basis sink build up slurrying pond, the agstone being weighed is fallen directly into by tremie pipe
The slurrying of slurrying pond, decreases conveying process, and powder utilizes self-weight blanking, has both prevented putty, has reduced again merit
Rate is lost.Path shortens simultaneously, it is simple to seal, and decreases powder and reveals, reduces equipment investment and energy consumption,
Avoid " reentrainment of dust " phenomenon, improve site environment, it is to avoid new pollution problem occurs.
2. the present invention arranges concrete-agitating pond in the bottom of feed bin, uses the slurrying pond of xoncrete structure,
Cancelling original pulping tank, powder is fallen directly into by rotary feeder in the confession stock tank being positioned at lower section, reduces and makes
Valency, saves floor space, reduces maintenance cost simultaneously, simplifies the flow process of pulping system, reduces and runs
During the workload of maintenance maintenance, improve the reliability that whole desulphurization system is run, reduce whole
The investment of set desulphurization system and operating cost.
3. the present invention arranges guard seal device in tremie pipe outlet, and sealing baffle opens or closes by electromagnetic valve control
System is also interlocked with electronic rotary feeder of weighing, it is to avoid the gap of charging is because fog dust is along tremie pipe
Rise the problem causing the caking blocking such as tube wall and batcher push-pull valve, and sealing baffle uses only with tremie pipe
Vertical structure, alleviates construction weight, reduces cylinder specification, decrease compressed air consumption；It is easy to again
Cleaning and maintenance maintenance；Arrange spacing collision block to limit the position, stroke end of cylinder and prevent cylinder from driving
The generation destruction to material blanking tube of impact force when baffle plate stops.
4. the top in slurrying pond is provided with the drain of bending, is provided with silk screen except mist in the straight length pipeline of drain
Device, can remove above-mentioned fog and dust, and is provided with wash tub pipe nozzle and periodically discharges water flushing, prevents silk screen from removing
Lost efficacy after day with fog is blocked, it is to avoid fog dust causes secondary pollution along drain is excessive, thus improves scene
Environment.
5. slurrying pond is provided with overfall, and the opening of overfall is located at slurrying pond normal level 1-3m position below,
Overfall is connected with discharge trench by adapter.The overfall structure of the present invention, is at slurrying pond normal level
Below 1-3m mouthpiece, then cause discharge trench by adapter, utilize the principle of fluid-tight, prevent slurrying
The fog flour dust overflow produced in journey, overcomes overfall present in prior art and is arranged at high level,
Cause the excessive of fog dust in pulping process, the problem forming reentrainment of dust.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the partial enlarged drawing of guard seal device.
Detailed description of the invention
In order to be more fully understood that the present invention, explain in detail embodiments of the present invention below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of wet desulphurization pulping system, including limestone powder bin 1, slurrying pond 5, described
Limestone powder bin 1 is fixing with on ground 6 by steel construction supporting leg 10, and agstone is located in described slurrying pond 5
The vertical lower in storehouse, is provided with rotary feeder 3 of weighing, Calx between described limestone powder bin 1 and slurrying pond 5
Bottom, stone powder storehouse 1 is connected with blanking magazine 13, and blanking magazine 13 bottom is provided with push-pull valve or gate valve 2, described
The bottom of push-pull valve or gate valve 2 is provided with lower flange 7, described in the weigh top of rotary feeder 3 be provided with upper flange
8, described push-pull valve or gate valve 2 are connected by lower flange 7, upper flange 8 with rotary feeder 3 of weighing, institute
Stating rotary feeder 3 bottom of weighing and be provided with tremie pipe 9, described tremie pipe 9 is by flange 11 and rotation of weighing
Batcher 3 connects, and described tremie pipe 9 extends downward in the middle of slurrying pond 5, top 12, described slurrying pond 5
Being provided with agitator 4, ground less than 6 is located in described slurrying pond.Top, described slurrying pond 5 is provided with movable therewith company
The bracing frame connect, described agitator 4 is connected with bracing frame.Described slurrying pond 5 uses xoncrete structure to make.
The present invention uses rotary feeder of weighing to substitute weigh screw(-type) feeder or belt feeder feed of weighing, and is claiming
Weight rotary feeder is provided below for stock tank, thus saves investment and floor space to greatest extent, shortens
Transport path, decreases " putty " and " reentrainment of dust " phenomenon, reduces energy consumption.
Owing to pulverized limestone is dissolved in water generation chemical reaction release heat, and produce CO2Gas.Therefore have big
The water vapour of amount produces and carries dust.Owing to pulverized limestone charging is intermittent, the most after the addition was finished
Interval, above-mentioned fog dust will rise along tremie pipe 9, thereby results in after the limestone powder moisture absorption at pipe
Wall and push-pull valve 2 etc. deposition fouling.Cause push-pull valve 2 cannot open and tremie pipe 9 caking blocking.System
Stock tank is as provision for sealing, in order to ensure internal and external pressure balance, is provided with drain 13, above-mentioned mist at its top
Gas dust also can be excessive along drain, causes secondary pollution.
In order to avoid the problems referred to above, the present invention arranges guard seal device, described baffle plate in tremie pipe 9 outlet
Sealing device includes cylinder 14, spacing collision block 16, electromagnetic valve, control system, and described cylinder is located at slurrying pond
Top 12, the piston rod 15 of cylinder is connected with the sealing baffle 18 of bottom, sealing baffle 18 and blanking port
Coordinating, blanking nozzle flange is provided with sealing gasket 17, and spacing collision block 16 passes through bolt with the flange of cylinder bottom
Connect, sealing baffle open or close by electromagnetic valve control cylinder lifted and with electronic rotation of weighing
Batcher 3 is interlocked, and i.e. opens when rotary feeder feed sealing baffle simultaneously, when charging terminates to rotate feed
Office drives sealing baffle to close by electromagnetic valve delays time to control cylinder while closing, thus avoids between charging
Gap above-mentioned fog dust rises the problem causing the caking blocking such as tube wall and batcher push-pull valve along tremie pipe.By
Use the structure with tremie pipe independence in sealing baffle, both alleviated construction weight, and reduced cylinder specification,
Decrease compressed air consumption；It is convenient to clean again and maintenance maintenance.Arranging spacing collision block 16 is to limit gas
The generation of material blanking tube is destroyed and makees by the position, stroke end of cylinder and impact force when preventing cylinder from driving baffle plate to stop
With.
The top in described slurrying pond is provided with the drain 13 of bending, is provided with silk in the straight length pipeline of drain
Net demister 19, can remove above-mentioned fog and dust, and is provided with wash tub pipe nozzle and periodically discharges water flushing, anti-
Lost efficacy after only mesh mist eliminator is blocked, thus improved site environment.Owing to slurrying itself needs constantly to mend
Filling fresh water (FW), above-mentioned a small amount of flushing water as one of moisturizing source, thus can not result in extra water
Consumption.
Described slurrying pond is provided with overfall 20, the opening of described overfall be located at slurrying pond normal level 1-3m with
Under position, overfall by adapter with discharge trench 21 be connected.Present invention improves over the structure of overfall,
At the slurrying pond following mouthpiece of normal level 1-3m, then cause discharge trench by adapter, utilize fluid-tight
Principle, prevents the fog flour dust overflow produced in pulping process, thus overcome present in prior art with
Lower problem, i.e. in order to prevent, liquid level is too high must be provided with overfall in slurrying pond, conventional overflowing in prior art
Head piece is arranged at high level, causes the excessive of fog dust in pulping process, thus forms reentrainment of dust
Problem.
Feed flow process of the present invention: outsourcing agstone is shipped by tank car, by air conveying discharging, powder enters also
Being stored in limestone point storehouse, the bottom material-falling hopper in powder cabin has two bifurcateds, thus has the using and the reserved two
Material inlet.Feed-stock outlet connects push-pull valve, and push-pull valve connects rotary feeder, batcher feed by measuring
System controls feeding coal, and batcher connects tremie pipe, and tremie pipe accesses in slurrying pond, and powder falls into slurrying pond
In mix with water and fully dissolve and make suspension, complete pulping process.In order to make agstone abundant with water
Mixed dissolution, is provided with agitator in slurrying pond, can guarantee that serosity mix homogeneously.
Although the detailed description of the invention of invention is described by the above-mentioned accompanying drawing that combines, but not the present invention is protected model
The restriction enclosed, on the basis of technical scheme, those skilled in the art need not pay creativeness
Various amendments that work can be made or deformation are still within protection scope of the present invention.
Claims (6)
- null1. a wet desulphurization pulping system，Including limestone powder bin、Slurrying pond，Described limestone powder bin is fixed and on ground by steel construction supporting leg，The vertical lower of limestone powder bin is located in described slurrying pond，It is provided with Weighing feeder between described limestone powder bin and slurrying pond，Limestone powder bin bottom is connected with blanking magazine，Blanking magazine bottom is provided with blanking valve，The bottom of described blanking valve is provided with lower flange，The top of described Weighing feeder is provided with upper flange，Described blanking valve and Weighing feeder pass through lower flange、Upper flange connects，Described Weighing feeder bottom is provided with tremie pipe，Described tremie pipe is connected with Weighing feeder by flange，Described tremie pipe extends downward slurrying pond，Described slurrying pond is provided with agitator in the middle of top，Below ground is located in described slurrying pond，It is characterized in that，Top, described slurrying pond is provided with guard seal device in tremie pipe side，Described guard seal device includes cylinder，The piston rod of described cylinder is connected with the sealing baffle of bottom，Sealing baffle coordinates with blanking port，Blanking nozzle flange is provided with sealing gasket，Spacing collision block is bolted with the flange of cylinder bottom，Sealing baffle opens or closes by electromagnetic valve control、And interlock with electronic rotary feeder of weighing.
- 2. wet desulphurization pulping system as claimed in claim 1, is characterized in that, the top in described slurrying pond is provided with the drain of bending, is provided with mesh mist eliminator in the straight length pipeline of drain.
- 3. wet desulphurization pulping system as claimed in claim 1, is characterized in that, described slurrying pond is provided with overfall, and the opening of described overfall is located at slurrying pond normal level 1-3m position below, and overfall is connected with discharge trench by adapter.
- 4. wet desulphurization pulping system as claimed in claim 1, is characterized in that, described slurrying pond is xoncrete structure.
- 5. wet desulphurization pulping system as claimed in claim 1, is characterized in that described Weighing feeder uses rotary feeder of weighing.
- 6. wet desulphurization pulping system as claimed in claim 1, is characterized in that described blanking valve uses push-pull valve or gate valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410704650.4A CN104368237B (en) | 2014-11-27 | 2014-11-27 | Wet desulphurization pulping system |
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| CN201410704650.4A CN104368237B (en) | 2014-11-27 | 2014-11-27 | Wet desulphurization pulping system |
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| CN104368237A CN104368237A (en) | 2015-02-25 |
| CN104368237B true CN104368237B (en) | 2017-01-04 |
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| CN107096371B (en) * | 2017-06-30 | 2020-04-03 | 大唐环境产业集团股份有限公司 | Wide-load-adjustable limestone slurry supply system and adjusting method |
| CN115215419B (en) * | 2022-08-11 | 2023-04-28 | 广东锦坤实业有限公司 | Lime neutralization system |
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| CN204247066U (en) * | 2014-11-27 | 2015-04-08 | 山东碧空环保科技股份有限公司 | Wet desulphurization pulping system |
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| JPS5656508A (en) * | 1979-10-15 | 1981-05-18 | Babcock Hitachi Kk | Fuel supplying method of fluid layer boiler |
| CN100418612C (en) * | 2005-11-11 | 2008-09-17 | 南京科远控制工程有限公司 | Control method wet method smoke desulfur for elecric power plant |
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Effective date of registration: 20220209 Address after: Room 2002, area B, 20th floor, building 1, Shuntai Plaza, 2000 Shunhua Road, high tech Zone, Jinan City, Shandong Province, 250101 Patentee after: SHANDONG HUANNENG DESIGN INSTITUTE Co.,Ltd. Address before: 250100 No. 1808, zone B3, 18th floor, building 1, Shuntai Plaza, No. 2000, Shunhua Road, high tech Zone, Jinan, Shandong Province Patentee before: SHANDONG BIKONG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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