CN109692756A - A kind of energy-efficient shallow slot screening installation - Google Patents
A kind of energy-efficient shallow slot screening installation Download PDFInfo
- Publication number
- CN109692756A CN109692756A CN201910073366.4A CN201910073366A CN109692756A CN 109692756 A CN109692756 A CN 109692756A CN 201910073366 A CN201910073366 A CN 201910073366A CN 109692756 A CN109692756 A CN 109692756A
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- CN
- China
- Prior art keywords
- shallow slot
- screening installation
- scraper
- chain
- feed chute
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/36—Devices therefor, other than using centrifugal force
- B03B5/40—Devices therefor, other than using centrifugal force of trough type
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- Combined Means For Separation Of Solids (AREA)
Abstract
The energy-efficient shallow slot screening installation of the embodiment of the present application, comprising: body, feed chute, upper up-flow funnel, discharge wheel, scraper chain and scraper plate chain drive mechanism；The body is open-topped groove-like structure, the lateral wall side of the body is arranged at aperture position in the feed chute, the outside of the organism bottom is arranged in the upper up-flow funnel, side opposite with the feed chute on the lateral wall of the body is arranged in the discharge wheel, the scraper chain is arranged between the feed chute and the discharge wheel, one end of the body is arranged in the scraper plate chain drive mechanism, for driving the scraper chain to rotate；The pan feeding trench bottom is offered into mesoporous, is had level stream feeding pipe into mesoporous access by described, pan feeding adjustment plate is provided at the link position of the feed chute and the body, for adjusting pan feeding height.The energy-efficient shallow slot screening installation of the embodiment of the present application, circulatory mediator dosage is few, low energy consumption, and sharpness of separation is high.
Description
Technical field
This application involves lump coal choosings to wash equipment more particularly to a kind of energy-efficient shallow slot screening installation.
Background technique
Dense-medium shallow-tank separator has obtained extensive industrial application, especially in coal industry, in order to make full use of money
Source, it is necessary to coal be sorted, dense-medium shallow-tank separator is the capital equipment of lump coal separation.
There are the following problems for dense-medium shallow-tank separator used at present, first is that needing circulatory mediator amount big, circulation is situated between
Quality is 2 times of vertical wheel dense media separator, and mating qualified medium pump discharge is big, and energy consumption is high；Second is that the material size upper limit is low, with mine
It is inconsistent that well carrys out the coal particle size upper limit, and it is 200mm that shallow slot maximum, which enters to wash granularity, and it is 300mm that mine, which carrys out the coal particle size upper limit, and mine carrys out coal
It needs just to enter to wash by being crushed, causes production link more, system complex；Third is that reflux medium amount is big when shutting down, it is easy blocking
Rise medium cloth hole, forms water hammer, impact failure is caused to pump；Four, cleaned coal band Jie amount is big, is unfavorable for de-mediated, needs de-mediated
Compass screen surface product is big.
Summary of the invention
In view of this, the purpose of the application is to propose a kind of energy-efficient shallow slot screening installation, to solve the prior art
In energy-efficient shallow slot screening installation energy consumption is high, the material size upper limit is low, reflux medium amount is big and cleaned coal band Jie measures big skill
Art problem.
Based on above-mentioned purpose, present applicant proposes a kind of energy-efficient shallow slot screening installations, comprising:
Body, feed chute, upper up-flow funnel, discharge wheel, scraper chain and scraper plate chain drive mechanism；
The body is open-topped groove-like structure, and the side in the lateral wall of the body is arranged in the feed chute
At the aperture position, the upper up-flow funnel is arranged in the outside of the organism bottom, the discharge wheel setting with it is described
The side opposite with the feed chute in the lateral wall of the body, the scraper chain are arranged in the intracorporal opening of the machine
Place, between the feed chute and the discharge wheel, one end of the body is arranged in the scraper plate chain drive mechanism, is used for
The scraper chain is driven to rotate；
The pan feeding trench bottom is offered into mesoporous, has level stream feeding pipe into mesoporous access by described, it is described enter
It is provided with pan feeding adjustment plate at the link position of hopper and the body, for adjusting pan feeding height.
It in some embodiments, further include the more rotating rollers being horizontally set between the body two sidewalls, the rotation
Transfer roller is used to support the scraper chain.
In some embodiments, the scraper chain includes transmission chain and be arranged in parallel on the transmission chain multiple scrape
Plate.
In some embodiments, the scraper plate is bent plate.
In some embodiments, the scraper plate is arc panel.
In some embodiments, the scraper plate is broken line plate.
In some embodiments, the lower position that the organism sidewall is located at the discharge wheel is provided with baiting valve.
In some embodiments, multiple holes passed through for medium are provided on the scraper chain.
In some embodiments, there are three corresponding gears, each gear to correspond to different pan feedings for the pan feeding adjustment plate
Density composition.
In some embodiments, the upper up-flow funnel has multiple, and multiple upper up-flow funnels are arranged in parallel in institute
State the outside of organism bottom.
The embodiment of the present application provides a kind of energy-efficient shallow slot screening installation, comprising: body, feed chute, upper up-flow funnel,
Discharge wheel, scraper chain and scraper plate chain drive mechanism；The body is open-topped groove-like structure, and the feed chute is arranged in institute
The side in the lateral wall of body is stated at aperture position, the outside of the organism bottom is arranged in the upper up-flow funnel,
Side opposite with the feed chute on the lateral wall of the body is arranged in the discharge wheel, and the scraper chain is arranged described
The intracorporal opening of machine, between the feed chute and the discharge wheel, the scraper plate chain drive mechanism is arranged in the machine
One end of body, for driving the scraper chain to rotate；The pan feeding trench bottom is offered into mesoporous, by described into mesoporous access
Have level stream feeding pipe, be provided with pan feeding adjustment plate at the link position of the feed chute and the body, for adjust into
Material height.The energy-efficient shallow slot screening installation of the embodiment of the present application, circulatory mediator dosage is few, low energy consumption, and sharpness of separation
It is high.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the left view of the energy-efficient shallow slot screening installation of the embodiment of the present application；
Fig. 2 is the top view of the energy-efficient shallow slot screening installation of the embodiment of the present application；
Fig. 3 is the main view of the energy-efficient shallow slot screening installation of the embodiment of the present application；
Fig. 4 is the structural schematic diagram of the discharge wheel of the energy-efficient shallow slot screening installation of the embodiment of the present application；
Fig. 5 is the structural schematic diagram of the scraper plate of the scraper chain of the energy-efficient shallow slot screening installation of the embodiment of the present application.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to related invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Energy-efficient shallow slot screening installation in the embodiment of the present application, compared with the existing technology in dense-medium shallow-tank sorting
Machine has carried out following improvement: first is that increasing discharge wheel, row's coal is arranged in the discharge side of common shallow slot dense media separator
Wheel, cleaned coal take shallow slot out of by the flowing originally by qualified medium, are changed to that shallow slot is discharged by the rotation of discharge wheel, reduce Jie
Matter dosage can also be discharged shallow slot even if coarse coal, save energy consumption；Second is that widening cleaned coal return side upper width, make to arrange coal
Wheel is independent of each other with the scraper plate on scraper chain, facilitates the installation of discharge wheel, increases the sorting time, improves sharpness of separation；Third is that increasing
Add baiting valve, guarantee when equipment is out of service, when especially emergency outage is, coal, spoil and medium inside the shallow slot and
When release, prevent blocking upper up-flow medium cloth hole；Fourth is that increasing the adjustable feeding plate in position, is formed and adjusted according to pan feeding density
Whole adjustment material enters the position of shallow slot, angle, guarantees that material enters shallow slot in the suitable position in middle part, suitable angle, makes light
Product and heavy product being very smoothly layered in shallow slot reduce light product and the heavy product mutual extrusion in suspension
And friction, therefore the sharpness of separation of equipment can be improved to greatest extent, residence time of the material in suspension is reduced, is reduced
The fine grained that material mutual extrusion and friction generate；Fifth is that the baffle of scraper chain is transformed, bent plate is changed to by straight panel, it is on the one hand advantageous
In the bulk spoil for scraping shallow slot lower part, creates conditions to increase pan feeding height, be on the other hand conducive to the de-mediated of spoil；Sixth is that
Increase the height of baffle plate of the scraper plate of scraper chain, increases discharge refuse granularity.After improving above, shallow slot pan feeding upper height limit can add
Greatly to 300mm or more, it is consistent to carry out the coal particle size upper limit with mine, does not need broken to can be carried out sorting.
Specifically, as shown in Figure 1, being the left view of the energy-efficient shallow slot screening installation of the embodiment of the present application；Fig. 2 is this
Apply for the top view of the energy-efficient shallow slot screening installation of embodiment；Fig. 3 is the energy-efficient shallow slot sorting of the embodiment of the present application
The main view of equipment.It can be seen from the figure that the energy-efficient shallow slot screening installation of the present embodiment, comprising:
Body 1, feed chute 2, upper up-flow funnel 3, discharge wheel 4, scraper chain 5 and scraper plate chain drive mechanism 6.
The body 1 is open-topped groove-like structure, and the feed chute 2 is arranged in the lateral wall of the body 1
Side is used for pan feeding, i.e., mine is input to the efficient section of the present embodiment by the feed chute 2 come coal at aperture position
It can be sorted in shallow slot screening installation.The outside of 1 bottom of body, the upper up-flow is arranged in the upper up-flow funnel 3
Funnel 3 is extended outward with the junction with the body 1, and opening is gradually reduced.The discharge wheel 4 is arranged in the body
Lateral wall on the side opposite with the feed chute 2, the setting of scraper chain 5 is located at institute in the intracorporal opening of the machine
It states between feed chute 2 and the discharge wheel 4, and by the bottom of the body, it is described for that will be sunk in assorting room
The gangue of the bottom of body scrapes, and is discharged via the discharge port 101 of 6 lower section of scraper plate chain drive mechanism, the scraper plate
One end of the body 1 is arranged in chain drive mechanism 6, for driving the scraper chain 5 to rotate；2 bottom of feed chute opens up
Have into mesoporous, has level stream feeding pipe 7 into mesoporous access by described, in the link position of the feed chute 2 and the body 1
Place is provided with pan feeding adjustment plate 8, for adjusting pan feeding height.
In actual use, mine carrys out coal by the way that in the feed chute 2 entrance body 1, medium is divided into two parts
It flowing into body, the level stream feeding pipe 7 that is accessed by feed chute 2 of a part and mine enter the body 1 come coal together, and one
Part enters the body by the upper up-flow funnel 3 of 1 bottom of body.Carry out coal into after the body 1 in mine, is in
Suspended state, and be layered under the medium effect entered by the upper up-flow funnel 3 of 1 bottom of body, cleaned coal floats,
And body 1 is discharged by the discharge wheel, 1 bottom of body is sunk under spoil, and driven by discharge port by the scraper chain 5
101 discharges, also, also play the role of cleaning to spoil by the medium that the upper up-flow funnel 3 of 1 bottom of body enters.
The energy-efficient shallow slot screening installation of the embodiment of the present application, circulatory mediator dosage is few, low energy consumption, and sharpness of separation
It is high.
In addition, an alternative embodiment as the application further includes more and is horizontally set on institute in the above-described embodiments
The rotating roller 10 between body two sidewalls is stated, the rotating roller 10 is used to support the scraper chain 5.
As the alternative embodiment of the application, the scraper chain 5 includes transmission chain and is arranged in parallel in the transmission
Multiple scraper plates on chain.The scraper plate is bent plate, such as can be arc panel, is also possible to broken line plate.Specifically, such as Fig. 5 institute
Show, is the structural schematic diagram of the scraper plate of the scraper chain of the energy-efficient shallow slot screening installation of the embodiment of the present application.The present embodiment with
The structure of the scraper plate 501 of the scraper chain 5 in the application is illustrated for broken line plate.The scraper plate 501 is three stage structure,
Respectively with the first segment scraper plate of scraper plate chain link, scraped positioned at the third section scraper plate of end and positioned at first segment scraper plate and third section
The length of second segment scraper plate between plate, the first segment scraper plate, the second segment scraper plate and the third section scraper plate is successively passed
Subtract.The broken line plate of the present embodiment compared with the existing technology in straight panel scraper plate, be more conducive to scrape the bulk spoil of shallow slot lower part, be
It increases material size to create conditions, is on the other hand conducive to the de-mediated of spoil.The length of first segment scraper plate is increased simultaneously, is increased
Discharge refuse granularity.
As the alternative embodiment of the application, it is located at the lower position of the discharge wheel 4 in 1 side wall of body
It is provided with baiting valve 9.When the energy-efficient shallow slot screening installation stops working, coal, spoil and medium inside shallow slot
It releases in time, prevents blocking upper up-flow medium cloth hole.
In addition, in some embodiments, multiple holes passed through for medium are provided on the scraper chain 5.
In some embodiments, there are three corresponding gears, each gear to correspond to different pan feedings for the pan feeding adjustment plate
Density composition, so as to adjust the gear of pan feeding adjustment plate come the density composition of coal according to mine, so that coal charge sorting is more
Accurately.
In some embodiments, the upper up-flow funnel has multiple, and multiple upper up-flow funnels are arranged in parallel in institute
State the outside of organism bottom.
As shown in figure 4, being the structural schematic diagram of the discharge wheel of the energy-efficient shallow slot screening installation of the embodiment of the present application.?
In the present embodiment, the discharge wheel 4 includes driving device 404 and roller 403, and is circumferentially disposed on the roller 403
Multiple rubber strips, the weight of the rubber end of tape is set.In the present embodiment, the discharge wheel 4 is located at scraper chain 5
Body 1 is discharged for cleaned coal to float in top.
The energy-efficient shallow slot screening installation of the embodiment of the present application, circulatory mediator dosage is few, low energy consumption, and sharpness of separation
It is high.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from foregoing invention design, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of energy-efficient shallow slot screening installation characterized by comprising
Body, feed chute, upper up-flow funnel, discharge wheel, scraper chain and scraper plate chain drive mechanism；
The body is open-topped groove-like structure, and the side that the feed chute is arranged in the lateral wall of the body is close
At aperture position, the outside of the organism bottom is arranged in the upper up-flow funnel, and the body is arranged in the discharge wheel
The side opposite with the feed chute on lateral wall, scraper chain setting in the intracorporal opening of the machine, positioned at it is described enter
Between hopper and the discharge wheel, one end of the body is arranged in the scraper plate chain drive mechanism, for driving the scraper plate
Chain rotation；
The pan feeding trench bottom is offered into mesoporous, has level stream feeding pipe into mesoporous access by described, in the feed chute
It is provided with pan feeding adjustment plate at the link position of the body, for adjusting pan feeding height.
2. shallow slot screening installation according to claim 1, which is characterized in that further include more and be horizontally set on the body
Rotating roller between two sidewalls, the rotating roller are used to support the scraper chain.
3. shallow slot screening installation according to claim 2, which is characterized in that the scraper chain includes that transmission chain is set with parallel
Set multiple scraper plates on the transmission chain.
4. shallow slot screening installation according to claim 3, which is characterized in that the scraper plate is bent plate.
5. shallow slot screening installation according to claim 4, which is characterized in that the scraper plate is arc panel.
6. shallow slot screening installation according to claim 4, which is characterized in that the scraper plate is broken line plate.
7. shallow slot screening installation according to claim 5 or 6, which is characterized in that be located at the row in the organism sidewall
The lower position of coal freighter is provided with baiting valve.
8. shallow slot screening installation according to claim 7, which is characterized in that be provided on the scraper chain multiple for medium
By hole.
9. shallow slot screening installation according to claim 8, which is characterized in that there are three corresponding shelves for the pan feeding adjustment plate
Position, each gear correspond to different pan feeding density compositions.
10. shallow slot screening installation according to claim 9, which is characterized in that the upper up-flow funnel has multiple, Duo Gesuo
The upper up-flow funnel stated is arranged in parallel in the outside of the organism bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073366.4A CN109692756A (en) | 2019-01-25 | 2019-01-25 | A kind of energy-efficient shallow slot screening installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073366.4A CN109692756A (en) | 2019-01-25 | 2019-01-25 | A kind of energy-efficient shallow slot screening installation |
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| Publication Number | Publication Date |
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| CN109692756A true CN109692756A (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910073366.4A Pending CN109692756A (en) | 2019-01-25 | 2019-01-25 | A kind of energy-efficient shallow slot screening installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118002300A (en) * | 2024-04-08 | 2024-05-10 | 山西潞安环保能源开发股份有限公司 | Coal preparation device for pulverized coal processing |
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Application publication date: 20190430 |