CN204017502U - Vacuum belt machine filter cake flusher - Google Patents
Vacuum belt machine filter cake flusher Download PDFInfo
- Publication number
- CN204017502U CN204017502U CN201420427115.4U CN201420427115U CN204017502U CN 204017502 U CN204017502 U CN 204017502U CN 201420427115 U CN201420427115 U CN 201420427115U CN 204017502 U CN204017502 U CN 204017502U
- Authority
- CN
- China
- Prior art keywords
- filter cake
- vacuum belt
- belt machine
- valve
- flushing line
- 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
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Abstract
The utility model discloses a kind of vacuum belt machine filter cake flusher, for carrying out the flushing of dechlorination ion to the gypsum filter cake of vacuum belt dewatering, comprise flushing line, described flushing line one end connects independent fresh water (FW) water tank by water pump, the other end connects the distributor be arranged on above vacuum belt machine, described flushing line is provided with successively at least twice valve, comprise No. three valves of a valve and the adjust flux often opened, between the filter cake on the delivery port of described distributor and vacuum belt machine, be provided with one deck filter cloth.The utility model solves the susceptible to plugging problem of filter cake flusher, adopts rational water distribution manner, and improve the uniformity that water distribution rinses, developing result is good.
Description
Technical field
The utility model relates to a kind of filter cake flusher of vacuum belt machine.
Background technology
In wet limestone-gypsum FGD, dewater with vacuum belt machine to gypsum slurries, this not only reduces the secondary pollution after desulfurization, the gypsum after dehydration also can be used as raw building material.Its principle is: by the effect of vacuum pump evacuation, and the filter cake upper and lower surface mineralization pressure on vacuum belt machine is poor, and squeezes the water out with this, reaches the object of dehydration.Under normal conditions, there is certain requirement to the chloride ion content of gypsum filter cake, so use filter cake flushing water to rinse filter cake while dehydration, to reach the effect reducing chlorion.
Existing vacuum belt machine filter cake flusher is directly rinsed filter cake surface by filter cake flush water pump connecting line, what it adopted is rinses the water after filter cloth, with the chlorion composition of gypsum and high concentration in water, easy blocking filter cake flush water pump, normally can not rinse gypsum filter cake, and the flow rinsed is difficult to adjustment, and after water flows out from flooding nozzle, gypsum filter cake is formed a rule waterline, cause the developing result of filter cake and not obvious, the gypsum chloride ion content after dehydration does not still reach standard.
Utility model content
The technical problem that the utility model solves is: the vacuum belt machine filter cake flusher providing a kind of improvement, effectively solves easy occluding device, the unconspicuous defect of developing result that existing apparatus exists.
The utility model adopts following technical scheme to realize: vacuum belt machine filter cake flusher, comprise flushing line, described flushing line one end connects independent fresh water (FW) water tank by water pump, the other end connects the distributor be arranged on above vacuum belt machine, described flushing line is provided with successively at least twice valve, comprise No. three valves of a valve and the adjust flux often opened, between the filter cake on the delivery port of described distributor and vacuum belt machine, be provided with one deck filter cloth.
Further, a described valve is ball valve, keeps often opening.
Further, described No. three valves adopt meticulous ball valve.
Further, described flushing line is also provided with secondary valve.
Further, described secondary valve adopts cut-off motor-driven valve.
Further, described secondary valve is arranged between a valve and No. three valves, and the flushing line before described secondary valve adopts carbon steel pipe, and the flushing line after secondary valve adopts pvc pipe.
Further, described flushing line is also provided with flowmeter.
The utility model adopts technique scheme, use independent fresh water (FW) as flushing water source, be not easy to result in blockage to flushing line and equipment, distributor is adopted to replace dispersing nozzle, and filter cloth is set between distributor and filter cake, the fresh water (FW) flowed out from distributor flows directly to filter cloth, is distributed on filter cake uniformly by filter cloth by fresh water (FW), is rinsed by the chlorion of its inside and takes away; And the ball valve of regulating flow quantity is set on flushing line, fine adjustment can be carried out to the flushing flow rate of fresh water (FW) in conjunction with flowmeter, effectively ensure that the effect of flushing.
From the above mentioned, the utility model has following beneficial effect:
1, adopt technique water source, solve the susceptible to plugging problem of filter cake flusher;
2, adopt the water distribution manner that distributor and filter cloth combine, improve the uniformity that water distribution rinses, the removal effect of chlorion is more obvious.
3, combine the valve adopting Electronic control, easy to operate, be convenient to control, developing result is good.
Below in conjunction with rear the drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vacuum belt machine filter cake flusher that the utility model relates to.
Number in the figure: 1-valve, 2-first pipeline, 3-secondary valve, 4-second pipeline, 5-flowmeter, 6-No. tri-valves, 7-distributor, 8-filter cloth, 9-filter cake, 10-vacuum belt machine, 11-fresh water (FW) water tank, 12-water pump.
Detailed description of the invention
Embodiment
See Fig. 1, vacuum belt machine filter cake flusher, specifically comprise flushing line, flushing line one end connects independent fresh water (FW) water tank 11 by water pump 12, the other end connects the distributor 7 be arranged on above vacuum belt machine 10, flushing line is provided with successively valve 1, secondary valve 3 and No. three valves 6.Wherein, a described valve 1 is ball valve, keeps often opening, and only manually closes when overhauling and need isolating; Secondary valve 3 is cut-off motor-driven valve, controls flushing line switch by long distance electric; No. three times valve 6 is meticulous ball valve, for regulating flushing flow rate, flushing line is also provided with flowmeter 5, for auxiliary adjustment flow.One deck filter cloth 8 is provided with between the filter cake 9 on the delivery port and vacuum belt machine 10 of distributor 7, filter cloth can directly adopt the waste and old filter cloth of 1 meter of length to be fixed, flow directly to waste and old filter cloth from filter cake flushing water distribution apparatus fresh water (FW) out, guarantee that fresh water (FW) is evenly distributed.
Concrete, the first pipeline 2 before secondary valve 3 adopts the ordinary carbon steel pipe of DN50, and the second pipeline 4 after secondary valve 3 adopts the pvc pipe of DN50, can save stringing cost.
The present embodiment is tested in Datang Xiang Tan Power Generation Corporation Ltd. desulfurization synergic system, transforms existing flusher, and conveniently, the fresh water (FW) pressure of employing is not less than 0.40MPa, and filter cake flushing water flow-control scope is at 1-5m for low cost, transformation
3/ h, in use, do not occur the phenomenon of pipeline and water pump blocking, the flushing on gypsum filter cake surface is even, and the chloride ion content in the gypsum product obtained all reaches under standard.
Above-mentioned is preferred embodiment of the present utility model; but those skilled in the art should be understood that; not departing from the spirit and scope of the present utility model that appended claims limits; in form and details to the various changes done by the utility model, all belong to protection domain of the present utility model.
Claims (7)
1. vacuum belt machine filter cake flusher, comprise flushing line, it is characterized in that: described flushing line one end connects independent fresh water (FW) water tank by water pump, the other end connects the distributor be arranged on above vacuum belt machine, described flushing line is provided with successively at least twice valve, comprise No. three valves of a valve and the adjust flux often opened, between the filter cake on the delivery port of described distributor and vacuum belt machine, be provided with one deck filter cloth.
2. vacuum belt machine filter cake flusher according to claim 1, is characterized in that: a described valve is ball valve, keeps often opening.
3. vacuum belt machine filter cake flusher according to claim 1, is characterized in that: described No. three valves adopt meticulous ball valve.
4. vacuum belt machine filter cake flusher according to claim 1, is characterized in that: described flushing line is also provided with secondary valve.
5. vacuum belt machine filter cake flusher according to claim 4, is characterized in that: described secondary valve adopts cut-off motor-driven valve.
6. vacuum belt machine filter cake flusher according to claim 5, is characterized in that: described secondary valve is arranged between a valve and No. three valves, and the flushing line before described secondary valve adopts carbon steel pipe, and the flushing line after secondary valve adopts pvc pipe.
7. the vacuum belt machine filter cake flusher according to any one of claim 1-6, is characterized in that: described flushing line is also provided with flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427115.4U CN204017502U (en) | 2014-07-31 | 2014-07-31 | Vacuum belt machine filter cake flusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427115.4U CN204017502U (en) | 2014-07-31 | 2014-07-31 | Vacuum belt machine filter cake flusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204017502U true CN204017502U (en) | 2014-12-17 |
Family
ID=52057417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420427115.4U Expired - Fee Related CN204017502U (en) | 2014-07-31 | 2014-07-31 | Vacuum belt machine filter cake flusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204017502U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110866A (en) * | 2016-08-08 | 2016-11-16 | 四川德胜集团钒钛有限公司 | A kind of flue gas desulphurization system |
| CN109045813A (en) * | 2018-08-08 | 2018-12-21 | 中国石油化工股份有限公司 | A kind of vacuum belt filter ELUTION METHOD |
-
2014
- 2014-07-31 CN CN201420427115.4U patent/CN204017502U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106110866A (en) * | 2016-08-08 | 2016-11-16 | 四川德胜集团钒钛有限公司 | A kind of flue gas desulphurization system |
| CN109045813A (en) * | 2018-08-08 | 2018-12-21 | 中国石油化工股份有限公司 | A kind of vacuum belt filter ELUTION METHOD |
| CN109045813B (en) * | 2018-08-08 | 2021-09-03 | 中国石油化工股份有限公司 | Vacuum belt filter leaching method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20170731 |