CN113754224A - Continuous feeding device for filter-pressing coal slime - Google Patents
Continuous feeding device for filter-pressing coal slime Download PDFInfo
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- CN113754224A CN113754224A CN202111013547.1A CN202111013547A CN113754224A CN 113754224 A CN113754224 A CN 113754224A CN 202111013547 A CN202111013547 A CN 202111013547A CN 113754224 A CN113754224 A CN 113754224A
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- coal
- filter
- filter press
- coal slime
- lower chute
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- 239000003245 coal Substances 0.000 title claims abstract description 139
- 238000003825 pressing Methods 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 5
- 239000003250 coal slurry Substances 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a continuous feeding device for filter-pressing coal slime, which comprises a filter press body, wherein the bottom of the filter press body is provided with a wedge-shaped coal pusher, a hydraulic push rod, a coal storage hopper, a lower chute of the filter press, a material layer thickness adjusting plate and a scraper coal feeder; the lower chute of the filter press is positioned at the bottom of the filter press body, the bottom of the lower chute of the filter press is connected with the top of the coal storage hopper into a whole, and the wedge-shaped coal pusher is in transmission connection with the hydraulic push rod. The buffer device and the coal feeding device are arranged under the filter press, and the coal slurry is continuously output by adjusting the coal feeding speed and limiting the thickness of a material layer; the arch breaking device in the device solves the problems of bonding, arching and unsmooth discharging of the filter-pressed coal slime; the adaptability to ultrafine materials such as filter-pressed coal slime and the like is strong; the space arrangement is compact and reasonable, and the operation cost is greatly reduced; the device can effectively reduce the influence of the short-time concentrated feeding of the filter-pressing coal slime on the product quality, and avoids the phenomenon of arching in the under-machine chute due to high water content and high viscosity of the filter-pressing coal slime.
Description
Technical Field
The invention relates to the technical field of coal slime separation, in particular to a filter-pressing coal slime continuous feeding device.
Background
At present, a filter press is widely used in coal preparation plants for coal slime dehydration. When the filter press unloads, the filter plate is pulled open, the material breaks away from the filter plate and directly falls into the scraper conveyor below through the machine chute, and then all coal slime is directly conveyed to a product system in a short time in a centralized manner by the scraper conveyor. One working cycle of the filter press is 20-30min, the discharging time is only 3-5min, and the coal slime water content after filter pressing is 20-28%.
The fine coal slime dewatering equipment of the coal preparation plant mostly adopts a quick-opening diaphragm filter press, the equipment is intermittent working equipment, the main characteristic during unloading is that the fine coal slime is intensively unloaded in a short time, the filter-pressed coal slime consists of ultrafine particles, the water content is high, the viscosity is large, the total yield is low, if the coal products are uniformly mixed, the influence on the product quality is small, but the filter press works intermittently, the coal slime is intensively mixed into the coal products in a short time, the product quality is uneven, the local water content is high, the ash content is high, the viscosity is large, the problems of bonding and unsmooth unloading are easy to occur after the coal slime is put into a storage, in addition, the coal slime is easy to locally freeze into blocks in winter after the coal storage yard, and a plurality of problems are brought to loading and transportation, therefore, a coal slime filter-pressing continuous feeding device is needed to solve the problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a filter-pressing coal slime continuous feeding device which is applied to a filter press of a coal preparation plant, a buffer device and a coal feeding device are arranged under the filter press, and the coal slime continuous output is realized by adjusting the coal feeding speed and limiting the thickness of a material layer; the arch breaking device in the device solves the problems of bonding, arching and unsmooth discharging of the filter-pressed coal slime; the adaptability to ultrafine materials such as filter-pressed coal slime and the like is strong; the space arrangement is compact and reasonable, and the operation cost is greatly reduced; the device can effectively reduce the influence of the short-time concentrated feeding of the filter-pressing coal slime on the product quality, and avoids the phenomenon of arching in the under-machine chute due to high water content and high viscosity of the filter-pressing coal slime.
In order to solve the technical problems, the invention provides the following technical scheme: the continuous feeding device for the filter-pressing coal slime comprises a filter press body, wherein the bottom of the filter press body is provided with a wedge-shaped coal pusher, a hydraulic push rod, a coal storage hopper, a lower chute of the filter press, a material layer thickness adjusting plate and a scraper coal feeder;
the lower chute of the filter press is positioned at the bottom of the filter press body, the bottom of the lower chute of the filter press is connected with the top of the coal storage hopper into a whole, the wedge-shaped coal pusher is in transmission connection with the hydraulic push rod, the wedge-shaped coal pusher is arranged along the length direction of the lower chute of the filter press, and the material layer thickness adjusting plate is arranged at the top of the scraper coal feeder.
As a preferable technical scheme of the invention, two groups of wedge-shaped coal pushers are arranged on one side of a lower chute of a filter press.
As a preferable technical scheme of the invention, the wedge-shaped coal pusher consists of a connecting frame and a push plate.
As a preferable technical scheme of the invention, the hydraulic push rod is arranged at the bottom of the lower chute of the filter press, and the top end of the back of the connecting frame is rotatably connected with the output end of the hydraulic push rod.
As a preferable technical scheme of the invention, the lower chute of the filter press is made of steel plates, and the inner lining of the lower chute of the filter press is made of manganese steel plates.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. the device does not need manual operation, reforms the scraper coal feeder, lays a bottom plate at the bottom of an upper scraper of the scraper coal feeder, enables materials to be transported on the upper layer, reduces the scraper chain speed to 0.28.m/s, arranges a material layer thickness adjusting plate in a trough box of the scraper coal feeder, compresses the thickness of a coal layer transported by the scraper coal feeder, adjusts the transportation amount of the scraper coal feeder by the material layer thickness adjusting plate and reduces the scraper chain speed, and enables filter-pressed coal slime to be uniformly and continuously mixed into products; after a filter plate of a filter press body is pulled open, filter-pressing coal slime in the filter press body falls into a coal storage hopper and a lower chute of the filter press, and the filter-pressing coal slime falls into the coal storage hopper and the lower chute of the filter press, so that the storage and the buffering of the filter-pressing coal slime are realized; the device comprises a coal storage hopper, a scraper coal feeder, a hydraulic push rod, a wedge-shaped coal pusher, a chute hopper, a scraper coal feeder, a coal slurry arch breaking device, a hydraulic push rod, a wedge-shaped coal pusher, a wedge-shaped coal pushing device and a coal storage hopper.
2. The device is applied to a filter press of a coal preparation plant, and realizes the continuous output of coal slime by arranging the buffer device and the coal feeding device under the filter press and adjusting the coal feeding speed and limiting the thickness of a material layer.
3. The arch breaking device in the device solves the problems of bonding, arching and unsmooth discharging of the filter-pressing coal slime.
4. The adaptability to ultrafine materials such as filter-pressing coal slime and the like is strong, the spatial arrangement is compact and reasonable, and the operation cost is greatly reduced.
5. The device can effectively reduce the influence of the short-time concentrated feeding of the filter-pressing coal slime on the product quality, and avoids the phenomenon of arching in the under-machine chute due to high water content and high viscosity of the filter-pressing coal slime.
Drawings
FIG. 1 is a schematic structural diagram 1 of a filter-pressing coal slime continuous feeding device according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a filter-pressing coal slime continuous feeding device in the embodiment of the invention 2;
FIG. 3 is a schematic structural view of an elevation of a wedge-shaped coal pusher according to an embodiment of the present invention;
FIG. 4 is a schematic plan view of a wedge-shaped coal pusher according to an embodiment of the present invention.
Wherein: 1. a wedge-shaped coal pusher; 101. a connecting frame; 102. pushing the plate; 2. a hydraulic push rod; 3. a coal storage hopper; 4. a lower chute of the filter press; 5. a material layer thickness adjusting plate; 6. a scraper coal feeder; 7. the filter press body.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in fig. 1-4, the filter-pressing coal slime continuous feeding device comprises a filter press body 7, wherein the bottom of the filter press body 7 is provided with a wedge-shaped coal pusher 1, a hydraulic push rod 2, a coal storage hopper 3, a filter press lower chute 4, a material layer thickness adjusting plate 5 and a scraper coal feeder 6;
the filter press lower chute 4 is positioned at the bottom of the filter press body 7, the bottom of the filter press lower chute 4 is connected with the top of the coal storage hopper 3 into a whole, the wedge-shaped coal pusher 1 is in transmission connection with the hydraulic push rod 2, the wedge-shaped coal pusher 1 is arranged along the length direction of the filter press lower chute 4, and the material layer thickness adjusting plate 5 is arranged at the top of the scraper coal feeder 6;
the device does not need manual operation, reforms the scraper feeder 6, lays a bottom plate at the bottom of an upper scraper of the scraper feeder 6, enables materials to be transported on the upper layer, reduces the scraper chain speed to 0.28m/s, arranges a material layer thickness adjusting plate 5 in a trough box of the scraper feeder 6, compresses the thickness of a coal layer transported by the scraper feeder 6, adjusts the transportation amount of the scraper feeder 6 by the material layer thickness adjusting plate 5 and the scraper chain speed reduction, and enables filter-pressed coal slime to be uniformly and continuously mixed into products; after a filter plate of the filter press body 7 is pulled open, filter-pressing coal slime in the filter press body falls into the coal storage hopper 3 and the lower chute 4 of the filter press, and the filter-pressing coal slime falls into the coal storage hopper 3 and the lower chute 4 of the filter press, so that the storage and the buffering of the filter-pressing coal slime are realized; the whole materials in the coal storage hopper 3 and most materials in the chute 4 under the filter press are scraped out by the scraper coal feeder 6 uniformly and slowly in succession, a small amount of coal slime piled on two inclined planes of the chute 4 under the filter press is retained in the chute, and the coal slime can be caused to arch after being temporarily stored in the coal storage hopper, the conveying of the coal slime is influenced, the arch breaking device is started, after the materials in the coal storage hopper 3 are basically scraped, the hydraulic push rod 2 is started, the wedge-shaped coal pusher 1 is driven, the small amount of piled materials are pushed to the coal storage hopper 3, and the problem that the coal slime is arched in the chute 4 under the filter press due to high filter-pressing water content and high viscosity is solved.
The device is applied to a filter press of a coal preparation plant, and realizes the continuous output of coal slime by arranging a buffer device and a coal feeding device under the filter press and adjusting the coal feeding speed and limiting the thickness of a material layer; the arch breaking device in the device solves the problems of bonding, arching and unsmooth discharging of the filter-pressed coal slime; the adaptability to ultrafine materials such as filter-pressed coal slime and the like is strong; the space arrangement is compact and reasonable, and the operation cost is greatly reduced; the device can effectively reduce the influence of the short-time concentrated feeding of the filter-pressing coal slime on the product quality, and avoids the phenomenon of arching in the under-machine chute due to high water content and high viscosity of the filter-pressing coal slime.
In other embodiments, two groups of wedge-shaped coal pushers 1 are arranged on one side of the lower chute 4 of the filter press; the wedge-shaped coal pushers 1 are uniformly arranged on two sides of the lower chute 4 of the filter press as arch breaking devices, and the number of the wedge-shaped coal pushers 1 can be flexibly adjusted according to different types of the filter press.
In other embodiments, the wedge-shaped coal pusher 1 is composed of a connecting frame 101 and a push plate 102; the top end of the back of the connecting frame 101 is in transmission connection with the output end of the hydraulic push rod 2, and the push plate 102 is used for pushing out coal slime stagnated in the lower chute 4 of the filter press, so that arch breaking is realized, and the coal slime is prevented from being accumulated on the lower chute 4 of the filter press.
In other embodiments, the hydraulic push rod 2 is arranged at the bottom of the lower chute 4 of the filter press, and the top end of the back surface of the connecting frame 101 is rotatably connected with the output end of the hydraulic push rod 2; the hydraulic push rod 2 and the wedge-shaped coal pusher 1 are connected and driven.
In other embodiments, the lower chute 4 of the filter press is made of a steel plate and is lined with a manganese steel plate; the lower chute 4 of the filter press has very high strength, and the capability of the lower chute 4 of the filter press for bearing impact, extrusion and material abrasion caused by coal slime falling is improved.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
It should be noted that, the electric components in the present application, such as the power unit, the first motor, the second motor, and the like, are all connected to the external controller, and the external controller is the prior art, and the present application does not improve the present application, so that it is not necessary to disclose the specific model, the circuit structure, and the like of the external controller, and the integrity of the present application is not affected.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Continuous feeder of filter-pressing coal slime, including pressure filter body (7), its characterized in that: the bottom of the filter press body (7) is provided with a wedge-shaped coal pusher (1), a hydraulic push rod (2), a coal storage hopper (3), a filter press lower chute (4), a material layer thickness adjusting plate (5) and a scraper coal feeder (6);
the filter press lower chute (4) is located at the bottom of the filter press body (7), the bottom of the filter press lower chute (4) is connected with the top of the coal storage hopper (3) into a whole, the wedge-shaped coal pusher (1) is in transmission connection with the hydraulic push rod (2), the wedge-shaped coal pusher (1) is arranged along the length direction of the filter press lower chute (4), and the material layer thickness adjusting plate (5) is installed at the top of the scraper coal feeder (6).
2. The filter-pressing coal slime continuous feeding device of claim 1, which is characterized in that: two groups of wedge-shaped coal pushers (1) are arranged on one side of the lower chute (4) of the filter press.
3. The filter-pressing coal slime continuous feeding device of claim 1, which is characterized in that: the wedge-shaped coal pusher (1) is composed of a connecting frame (101) and a push plate (102).
4. The filter-pressing coal slime continuous feeding device of claim 3, characterized in that: the hydraulic push rod (2) is arranged at the bottom of the lower chute (4) of the filter press, and the top end of the back of the connecting frame (101) is rotatably connected with the output end of the hydraulic push rod (2).
5. The filter-pressing coal slime continuous feeding device of claim 1, which is characterized in that: the lower chute (4) of the filter press is made of steel plates, and is lined with manganese steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013547.1A CN113754224A (en) | 2021-08-31 | 2021-08-31 | Continuous feeding device for filter-pressing coal slime |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013547.1A CN113754224A (en) | 2021-08-31 | 2021-08-31 | Continuous feeding device for filter-pressing coal slime |
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| Publication Number | Publication Date |
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| CN113754224A true CN113754224A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111013547.1A Pending CN113754224A (en) | 2021-08-31 | 2021-08-31 | Continuous feeding device for filter-pressing coal slime |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202481774U (en) * | 2012-02-03 | 2012-10-10 | 吕技选 | Arc breaker of feeding machine |
| CN204121881U (en) * | 2014-09-29 | 2015-01-28 | 金易通科技(北京)股份有限公司 | A kind of mobile modularized concentrated filter-pressing device |
| CN106731930A (en) * | 2016-12-13 | 2017-05-31 | 安徽理工大学 | The system and method that a kind of filter-pressing coal slime cake and gravity treatment Coarse Coal are uniformly blended |
| CN206286037U (en) * | 2016-12-13 | 2017-06-30 | 安徽理工大学 | A kind of filter press filter cake crushing system |
| CN108392878A (en) * | 2018-05-15 | 2018-08-14 | 李志平 | A kind of vertical coal slurry dewaterer |
| CN208470940U (en) * | 2018-07-10 | 2019-02-05 | 煤炭工业合肥设计研究院有限责任公司 | Feed proportioning system before a kind of sieve |
-
2021
- 2021-08-31 CN CN202111013547.1A patent/CN113754224A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202481774U (en) * | 2012-02-03 | 2012-10-10 | 吕技选 | Arc breaker of feeding machine |
| CN204121881U (en) * | 2014-09-29 | 2015-01-28 | 金易通科技(北京)股份有限公司 | A kind of mobile modularized concentrated filter-pressing device |
| CN106731930A (en) * | 2016-12-13 | 2017-05-31 | 安徽理工大学 | The system and method that a kind of filter-pressing coal slime cake and gravity treatment Coarse Coal are uniformly blended |
| CN206286037U (en) * | 2016-12-13 | 2017-06-30 | 安徽理工大学 | A kind of filter press filter cake crushing system |
| CN108392878A (en) * | 2018-05-15 | 2018-08-14 | 李志平 | A kind of vertical coal slurry dewaterer |
| CN208470940U (en) * | 2018-07-10 | 2019-02-05 | 煤炭工业合肥设计研究院有限责任公司 | Feed proportioning system before a kind of sieve |
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Application publication date: 20211207 |