CN207951701U - A kind of coal preparation plant's density control system clear water supplementing device - Google Patents
A kind of coal preparation plant's density control system clear water supplementing device Download PDFInfo
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- CN207951701U CN207951701U CN201721666522.0U CN201721666522U CN207951701U CN 207951701 U CN207951701 U CN 207951701U CN 201721666522 U CN201721666522 U CN 201721666522U CN 207951701 U CN207951701 U CN 207951701U
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- clear water
- pipeline
- adds
- valve
- coarse adjustment
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Abstract
The utility model is related to coal preparation plant's density control system clear water to add control field, it discloses a kind of coal preparation plant's density control system clear water supplementing device, the device is added pipeline by three clear water and is formed, and respectively coarse adjustment clear water adds that pipeline, middle tune clear water adds pipeline, fine tuning clear water adds pipeline.Carse, medium and small tune clear water adds in pipeline that coarse adjustment internal diameter of the pipeline is maximum, and middle tunes internal diameter of the pipeline takes second place, fine tuning internal diameter of the pipeline minimum, respectively to should density variation it is large, medium and small when the action pipeline added of clear water；Hand-operated butterfly valve valve and an electrically operated valve there are two being respectively mounted on carse, medium and small pipeline.When the density variation of dense media system is in 0.1 0.9,0.01 0.09,0.001 0.009 ranges, clear water flow is mainly added by the carse, medium and small tune pipeline adjusting of correspondence, the uninterrupted that fresh water pipeline is added before being added to pump can be accurately controlled by the aperture of electrically operated valve on carse, medium and small pipeline, realize that the high-precision of density of suspending liquid is adjusted, thus accurately dressing of coal by washing qualified cleaned coal product.
Description
Technical field
Control field is added the utility model is related to coal preparation plant's density control system clear water more particularly to a kind of coal preparation plant is close
Spend control system clear water supplementing device.
Background technology
The density of suspension is one of technological parameter important in the daily production of coal preparation plant, direct shadow in hm coal preparation plant
The head coal product qualification rung after dressing of coal by washing is unqualified, and the quality of heavy-media suspension density domination is most important, and influences outstanding
The factor of supernatant liquid density is more, and the mode of adjusting heavy-media suspension density is added before being by pump in the daily production of coal preparation plant
Clear water connects the pipeline of a clear water and installs a valve on pipeline before pumping, the flow of clear water is added in control, in this way
Auto-regulating System of Density of Heavy Medium mode has many drawbacks：(1) aperture of valve its flow and aperture in 0%-100% open ranges is not line
Sexual intercourse, that is, the valve controlled opens the door and the flow of added clear water is not linear relationship.(2) in order to quick and big
Density is adjusted in amplitude, generally adds fresh water pipeline and is relatively large in diameter, and it is also larger to add Clean water valve range of flow, to close
Degree be easy to cause density overshoot when being finely adjusted section, causes density fluctuation larger.(3) only there are one controllable clear water to add valve
Its adjustable range and regulating effect have significant limitation, are unfavorable for post operation personnel and put forward highdensity stability.
Utility model content
The utility model in order to overcome the above-mentioned deficiencies of the prior art, provides a kind of coal preparation plant's density control system clear water
Supplementing device, the utility model is reliable and stable, flexible adjustment, easy to use, high degree of automation.
To achieve the above object, the utility model uses following technical measures：
A kind of coal preparation plant's density control system clear water supplementing device, it is characterised in that：Pipeline group is added including three clear water
At respectively coarse adjustment clear water adds that pipeline, middle tune clear water adds pipeline, fine tuning clear water adds pipeline, and carse, medium and small tune clear water is mended
Add in pipeline coarse adjustment internal diameter of the pipeline maximum, middle tunes internal diameter of the pipeline takes second place, fine tuning internal diameter of the pipeline minimum, respectively to should density variation
The action pipeline that clear water is added when large, medium and small.
There are two the coarse adjustment clear water adds pipeline, middle tune clear water adds pipeline, fine tuning clear water is added and is respectively mounted on pipeline
Hand-operated butterfly valve valve and an electrically operated valve, two Hand-operated butterfly valves are located at the both sides of electrically operated valve, that is, are separately mounted to clear
Water water inlet side and water outlet side.
The coarse adjustment clear water adds pipeline, middle tune clear water adds pipeline, fine tuning clear water adds the water inlet of pipeline from same
One water source, and pipe diameter of intaking adds that pipe diameter is consistent, and the coarse adjustment clear water adds pipeline, middle tune with the coarse adjustment clear water
Clear water adds pipeline, fine tuning clear water adds the water outlet convergence one of pipeline and plays outlet pipe, and the diameter of outlet pipe with it is described thick
Clear water is adjusted to add pipe diameter consistent.
The pressure of the water inlet cannot fluctuate larger, need to stablize, while clear water, Bu Nenghan are full of in water inlet conduit
There are a large amount of bubbles.
The coarse adjustment clear water adds electric valve for pipeline door maximum flow, and middle tune clear water is added in electric valve for pipeline door flow
Deng, fine tuning clear water, to add electric valve for pipeline door flow minimum.
The diameter of the coarse adjustment Hand-operated butterfly valve, the coarse adjustment electrically operated valve diameter and the coarse adjustment clear water add pipeline phase
Matching, diameter, the middle diameter for adjusting electrically operated valve of the middle tune Hand-operated butterfly valve add pipeline phase with the middle tune clear water
Match, the diameter of the fine tuning Hand-operated butterfly valve, the fine tuning electrically operated valve diameter add pipeline with the fine tuning clear water and match.
The clear water is added and is equipped with ultrasonic flowmeter on water outlet pipeline, the real-time streams for detecting added clear water
Amount.
Description of the drawings
Fig. 1 is a kind of coal preparation plant's density control system clear water supplementing device schematic diagram of the utility model；
Reference numeral meaning in figure is as follows：
1-2-medium pump of dense medium bucket
3-ultrasonic flowmeter 4-fine tuning clear water add pipeline
5-fine tuning pipeline first manual butterfly valve valve 6-fine tuning electric valve for pipeline doors
7-8-water sources of fine tuning pipeline the second Hand-operated butterfly valve valve
9-the second Hand-operated butterfly valve of middle tune pipeline valves 10-middle tune electric valve for pipeline door
11-middle tune pipeline first manual butterfly valve valves 12-middle tune clear water adds pipeline
13-densitometer 14-coarse adjustment clear water add pipeline
15-coarse adjustment pipeline first manual butterfly valve valve 16-coarse adjustment electric valve for pipeline doors
17-coarse adjustment pipeline the second Hand-operated butterfly valve 18-cyclones of valve
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of coal preparation plant's density control system clear water supplementing device, it is characterised in that：Including three clear water
Pipeline composition is added, respectively coarse adjustment clear water adds that pipeline 14, middle tune clear water adds pipeline 12, fine tuning clear water adds pipeline 4,
Carse, medium and small tune clear water adds coarse adjustment internal diameter of the pipeline maximum, middle tune internal diameter of the pipeline in pipeline and takes second place, and fine tuning internal diameter of the pipeline is minimum, point
It is other to should density variation it is large, medium and small when the action pipeline added of clear water.
The coarse adjustment clear water adds pipeline 14, middle tune clear water adds pipeline 12, fine tuning clear water is added and is mounted on pipeline 4
Two Hand-operated butterfly valve valves and an electrically operated valve, two Hand-operated butterfly valves are located at the both sides of electrically operated valve, i.e. water source 8 connects
Water inlet conduit one end, the water inlet conduit other end be separately connected 17 water inlet end of the second Hand-operated butterfly valve of coarse adjustment pipeline valve,
9 water inlet end of the second Hand-operated butterfly valve of middle tune pipeline valve, 7 water inlet end of the second Hand-operated butterfly valve of fine tuning pipeline valve, the coarse adjustment pipeline
Second Hand-operated butterfly valve valve, 17 water outlet, 9 water outlet of the second Hand-operated butterfly valve of middle tune pipeline valve, the second Hand-operated butterfly valve of fine tuning pipeline
7 water outlet of valve is separately connected 16 water inlet end of coarse adjustment electric valve for pipeline door, middle 10 water inlet end of tune electric valve for pipeline door, fine tuning
6 water inlet end of electric valve for pipeline door is 16 water outlet of coarse adjustment electric valve for pipeline door, middle 10 water outlet of tune electric valve for pipeline door, thin
6 water outlet of electric valve for pipeline door is adjusted to be separately connected 15 water inlet end of coarse adjustment pipeline first manual butterfly valve valve, middle tune pipeline the
One Hand-operated butterfly valve valve, 11 water inlet end, 5 water inlet end of fine tuning pipeline first manual butterfly valve valve, the coarse adjustment pipeline first manual butterfly
15 water outlet of valve valve, middle 11 water outlet of tune pipeline first manual butterfly valve valve, fine tuning pipeline first manual butterfly valve valve 5 are discharged
End is pooled to the pump front end that water outlet pipeline is connected to the medium pump 2, the clear water add be equipped on water outlet pipeline it is super
Acoustic wave flow meter 3, the real-time traffic for detecting added clear water.
The coarse adjustment clear water add pipeline 14, it is middle adjust clear water add pipeline 12, fine tuning clear water add pipeline 4 water inlet come
From the same water source, and pipe diameter of intaking adds that 14 diameter of pipeline is consistent, and the coarse adjustment clear water adds pipe with the coarse adjustment clear water
Road 14, it is middle adjust clear water to add pipeline 12, fine tuning clear water adds the water outlet convergence one of pipeline 4 and plays outlet pipe, and outlet pipe
It is consistent that diameter with the coarse adjustment clear water adds 14 diameter of pipeline.
It is the diameter of the coarse adjustment pipeline first manual butterfly valve valve 15 and the second Hand-operated butterfly valve of coarse adjustment pipeline valve 17, described
The diameter of coarse adjustment electric valve for pipeline door 16 adds pipeline 14 with the coarse adjustment clear water and matches, the middle tune pipeline first manual butterfly
Valve valve 11 and the middle diameter for adjusting the second Hand-operated butterfly valve of pipeline valve 9, the middle diameter for adjusting electric valve for pipeline door 10 with it is described
Middle tune clear water adds pipeline 12 and matches, the fine tuning pipeline first manual butterfly valve valve 5 and the second Hand-operated butterfly valve of fine tuning pipeline
The diameter of valve 7, the fine tuning electric valve for pipeline door 6 diameter add pipeline phase 4 with the fine tuning clear water and match.
16 maximum flow of coarse adjustment electric valve for pipeline door, 10 flows of middle tune electric valve for pipeline door are medium, fine tuning pipeline is electric
6 flow of movable valve is minimum.
The pressure of the water inlet cannot fluctuate larger, need to stablize, while clear water, Bu Nenghan are full of in water inlet conduit
There are a large amount of bubbles.
The heavy-media suspension of the dense medium bucket 1 is got in cyclone 18 by medium pump 2 and is sorted to coal, when
When the density that densitometer 13 is detected is more than set separating density, it is inclined that density obtained by detection density is subtracted according to setting density
The size of difference carries out clear water and adds control；If adjusting coarse adjustment electric valve for pipeline door 16 when density variation is within the scope of 0.1-0.9, if
Electric valve for pipeline door 10 is adjusted in being adjusted when density variation is within the scope of 0.01-0.09, if density variation is in 0.001-0.009 ranges
Fine tuning electric valve for pipeline door 6 is adjusted when interior, clear water flow is added by ultrasonic flowmeter monitoring in real time, control clear water is mended
Added-time clear water flow is without fluctuation, to realize the rapidly and efficiently adjusting control of density.
Claims (6)
1. a kind of coal preparation plant's density control system clear water supplementing device, it is characterised in that：Pipeline composition is added including three clear water,
Respectively coarse adjustment clear water adds that pipeline, middle tune clear water adds pipeline, fine tuning clear water adds pipeline, and carse, medium and small tune clear water adds pipe
Coarse adjustment internal diameter of the pipeline is maximum in road, and middle tunes internal diameter of the pipeline takes second place, and fine tuning internal diameter of the pipeline is minimum, respectively to should density variation greatly,
In, the action pipeline added of hour clear water, the diameter of the coarse adjustment Hand-operated butterfly valve, the coarse adjustment electrically operated valve diameter with it is described
Coarse adjustment clear water adds pipeline and matches, it is described it is middle adjust Hand-operated butterfly valve diameter, it is described it is middle adjust electrically operated valve diameter with it is described in
It adjusts clear water to add pipeline to match, diameter and the fine tuning of the diameter of the fine tuning Hand-operated butterfly valve, the fine tuning electrically operated valve
Clear water adds pipeline and matches.
2. a kind of coal preparation plant's density control system clear water supplementing device as described in claim 1, it is characterised in that：The coarse adjustment
Clear water adds pipeline, middle tune clear water adds pipeline, fine tuning clear water is added and is respectively mounted on pipeline there are two Hand-operated butterfly valve valve and one
A electrically operated valve, two Hand-operated butterfly valves are located at the both sides of electrically operated valve, that is, are separately mounted to clear water water inlet side and go out
Mouth of a river side.
3. a kind of coal preparation plant's density control system clear water supplementing device as described in claim 1, it is characterised in that：The coarse adjustment
Clear water add pipeline, it is middle adjust clear water to add pipeline, fine tuning clear water adds the water inlet of pipeline and comes from the same water source, and water inlet pipe
Diameter adds that pipe diameter is consistent, and the coarse adjustment clear water adds pipeline, middle tune clear water adds pipeline, fine tuning with the coarse adjustment clear water
Outlet pipe is played in the water outlet convergence one that clear water adds pipeline, and the diameter of outlet pipe adds pipe diameter with the coarse adjustment clear water
Unanimously.
4. a kind of coal preparation plant's density control system clear water supplementing device as claimed in claim 3, it is characterised in that：The water inlet
Mouthful pressure cannot fluctuate larger, need to stablize, while being full of clear water in water inlet conduit, a large amount of bubbles cannot be contained.
5. a kind of coal preparation plant's density control system clear water supplementing device as described in claim 1, it is characterised in that：The coarse adjustment
Clear water adds electric valve for pipeline door maximum flow, and middle tune clear water adds that electric valve for pipeline door flow is medium, fine tuning clear water adds pipe
Road electrically operated valve flow is minimum.
6. a kind of coal preparation plant's density control system clear water supplementing device as described in claim 1, it is characterised in that：The clear water
It adds and ultrasonic flowmeter is installed on water outlet pipeline, the real-time traffic for detecting added clear water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721666522.0U CN207951701U (en) | 2017-12-04 | 2017-12-04 | A kind of coal preparation plant's density control system clear water supplementing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721666522.0U CN207951701U (en) | 2017-12-04 | 2017-12-04 | A kind of coal preparation plant's density control system clear water supplementing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207951701U true CN207951701U (en) | 2018-10-12 |
Family
ID=63728778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721666522.0U Expired - Fee Related CN207951701U (en) | 2017-12-04 | 2017-12-04 | A kind of coal preparation plant's density control system clear water supplementing device |
Country Status (1)
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| CN (1) | CN207951701U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961895A (en) * | 2017-12-04 | 2018-04-27 | 安徽理工大学 | A kind of coal preparation plant's density control system clear water supplementing device and method |
| CN112058479A (en) * | 2020-09-03 | 2020-12-11 | 中国矿业大学 | Two-section separation density regulating device and method for three-product heavy medium cyclone |
-
2017
- 2017-12-04 CN CN201721666522.0U patent/CN207951701U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961895A (en) * | 2017-12-04 | 2018-04-27 | 安徽理工大学 | A kind of coal preparation plant's density control system clear water supplementing device and method |
| CN112058479A (en) * | 2020-09-03 | 2020-12-11 | 中国矿业大学 | Two-section separation density regulating device and method for three-product heavy medium cyclone |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181012 Termination date: 20201204 |