CN106882915B - Dewatering device for preparing coal slime from high-sulfur coal gangue - Google Patents
Dewatering device for preparing coal slime from high-sulfur coal gangue Download PDFInfo
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- CN106882915B CN106882915B CN201710181784.6A CN201710181784A CN106882915B CN 106882915 B CN106882915 B CN 106882915B CN 201710181784 A CN201710181784 A CN 201710181784A CN 106882915 B CN106882915 B CN 106882915B
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- filter belt
- main roller
- extrusion
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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
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
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- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a dewatering device for preparing coal slime by using high-sulfur coal gangue, which comprises a rack, an upper filter belt, a lower filter belt positioned right below the upper filter belt, a first main roller for driving the upper filter belt and a second main roller for driving the lower filter belt, wherein the first main roller and the second main roller are installed in a roll pair mode, the first main roller and the second main roller are both connected with the rack and are both positioned at a discharge port, at least two extrusion rollers for driving the upper filter belt are also installed between the upper conveying surface and the lower conveying surface of the upper filter belt, the rotation directions of all the extrusion rollers are the same as that of the first main roller, all the extrusion rollers are parallel to the first main roller along the transmission direction of the upper filter belt, each extrusion roller is a hollow roller with a hollow-out roller wall, the inner wall of each extrusion roller is covered with a cover, one end of each extrusion roller is communicated to a vacuum pump, and the other end of each extrusion roller is. The invention combines the modes of extrusion and extraction rate by changing the structure of the extrusion roller, thereby improving the dehydration efficiency of the coal slime.
Description
Technical Field
The invention relates to a belt filter press, in particular to a dewatering device for preparing coal slime from high-sulfur coal gangue.
Background
The belt press filter mainly comprises a driving device, a frame, a press roller, an upper filter belt, a lower filter belt, a filter belt tensioning device, a filter belt cleaning device, a discharging device, a pneumatic control system, an electrical control system and the like, wherein the dehydration process of the belt press filter can be divided into four important stages of pretreatment, gravity dehydration, wedge-shaped area prepressing dehydration and press dehydration, and environment-friendly filtration products with reasonable price and reliable performance, such as a brand-new type equipment filter program control automatic chamber type filter press, a diaphragm filter press, a deep sludge dewatering filter press, an integrated sewage sludge treatment device, an online precise filtration system and the like, are used.
At present, in the coal slime processing, the filter press makes the coal slime dehydration through extrusion coal slime, and the dehydration mode of coal slime extrusion dehydration is simple and dehydration rate is fast, but the extrusion region is limited, and the coal slime dehydration effect still receives very big restriction.
Disclosure of Invention
The invention aims to solve the technical problem of poor coal slime dehydration efficiency, and aims to provide a dehydration device for preparing coal slime by using high-sulfur coal gangue to solve the problem of poor coal slime dehydration efficiency.
The invention is realized by the following technical scheme:
dewatering device for coal slime is prepared to high-sulfur gangue, including frame, last filtering band, be located the first home roll of filtering band, the second home roll of transmission lower filtering band under lower filtering band, the transmission under filtering band under the filtering band, first home roll and the installation of second home roll pair roller, first home roll, second home roll all are connected with the frame and all are located the discharge gate, go up the conveying face and still install the squeeze roll of filtering band on two at least transmissions between the conveying face down of filtering band, all squeeze rolls are the same with first home roll rotation direction to all squeeze rolls all are parallel along the transmission direction of last filtering band with first home roll, every squeeze roll is the cavity roller of roller wall, and the squeeze roll inner wall coats and is stamped filter paper, and the one end of all squeeze rolls all communicates to the vacuum pump, the other end of fretwork squeeze roll is sealed.
The machine frame, the upper filter belt, the lower filter belt positioned right below the upper filter belt, the first main roller for driving the upper filter belt and the second main roller for driving the lower filter belt are of the existing structure, the upper filter belt is sleeved on the first main roller, the lower filter belt is sleeved on the second main roller, the rotating directions of the first main roller and the second main roller are opposite, and the first main roller and the second main roller are both connected with the machine frame and positioned at a discharge port; the invention changes the structure of the squeeze roll, the rotation directions and the speeds of the squeeze rolls are the same, each squeeze roll is hollow, the roll wall of each squeeze roll is hollow, the inner wall of each squeeze roll is covered with filter paper, the filter paper is fixed with the roll wall, when the coal slurry is in a working state, all the squeeze rolls synchronously squeeze the coal slurry in a transmission process, the coal slurry at the same position can be squeezed for multiple times, simultaneously, a vacuum pump is started, the vacuum pump can pump air in the squeeze rolls, the vacuum pump can simultaneously pump water in the coal slurry below the squeeze rolls in the air pumping process, the filter paper is used for filtering particles of the coal slurry, the filter paper can be prevented from being pumped away, and the filter paper can only pass through water; therefore, the invention collects the extrusion and water pumping of the plurality of extrusion rollers, so that the dehydration rate of the coal slime is high, the problem of small extrusion area of the extrusion rollers is solved, and the dehydration efficiency of the filter press is further improved.
The upper conveying surface and the lower conveying surface of the lower filter belt are provided with at least two pressure bearing rollers for driving the lower filter belt, the rotation directions of the pressure bearing rollers and the second main roller are the same, and all the pressure bearing rollers are parallel to the second main roller along the transmission direction of the lower filter belt. The pressure bearing rollers correspond to the extrusion rollers one by one, and each pressure bearing roller is installed with the corresponding extrusion roller pair roller. The mutual action between the bearing roller and the squeeze roller can increase the extrusion force applied to the coal slime, accelerate the water outlet rate of the coal slime and improve the dehydration efficiency of the coal slime.
Each squeezing roller is connected with a vacuum pump through a hose, and the hose is a high-pressure hose. The pressure of vacuum pump evacuation is big, consequently, adopts high-pressure hose to connect, not only can adjust the position of vacuum pump, and the vacuum pump of being convenient for and hose connection, hose connection mode is simple moreover, and is with low costs, and compressive capacity is strong, the maintenance of being convenient for.
An upper scraper for scraping coal slime on the upper filter belt is installed right in front of the first main roller, and a lower scraper for scraping coal slime on the lower filter belt is installed right in front of the second main roller. The coal slime can adhere to the upper filter belt and the lower filter belt after being extruded, and the upper scraper blade and the lower scraper blade are used for improving the coal slime yield.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the dewatering device for preparing the coal slime from the high-sulfur coal gangue combines the modes of extrusion and extraction rate by changing the structure of the extrusion roller, thereby improving the dewatering efficiency of the coal slime;
2. according to the dehydration device for preparing the coal slime from the high-sulfur coal gangue, the plurality of extrusion rollers and the pressure bearing roller are arranged in a pair roller mode, so that the extrusion force for dehydrating the coal slime is increased, and the dehydration efficiency of the coal slime is further improved;
3. the dehydration device for preparing the coal slime by the high-sulfur coal gangue is simple to operate, the yield of the dehydrated coal slime is high, and the time cost is saved by improving the dehydration efficiency of the coal slime.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the structure of the squeeze roll of the present invention.
Reference numbers and corresponding part names in the drawings:
1-a frame, 2-an upper filter belt, 3-a lower filter belt, 4-a first main roller, 5-a second main roller, 6-a squeezing roller, 7-filter paper, 8-a pressure bearing roller, 9-a hose, 10-an upper scraper and 11-a lower scraper.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1 and 2, the dewatering device for preparing coal slurry from high-sulfur coal gangue comprises a frame 1, an upper filter belt 2, a lower filter belt 3 positioned under the upper filter belt 2, a first main roller 4 for driving the upper filter belt 2, and a second main roller 5 for driving the lower filter belt 3, wherein the first main roller 4 and the second main roller 5 are installed in a pair of rollers, the first main roller 4 and the second main roller 5 are both connected with the frame 1 and positioned at a discharge port, at least two squeeze rollers 6 for driving the upper filter belt 2 are further installed between an upper conveying surface and a lower conveying surface of the upper filter belt 2, all the squeeze rollers 6 are in the same rotating direction as the first main roller 4, all the squeeze rollers 6 are parallel to the first main roller 4 along the driving direction of the upper filter belt 2, each squeeze roller 6 is a hollow roller with a hollow wall, the inner wall of each filter paper squeeze roller 6 is covered with a filter paper squeeze roller 7, and one end of all the squeeze rollers 6 is communicated with a vacuum pump, the other end of the squeeze roll 6 is sealed. An upper scraper 10 for scraping coal slime on the upper filter belt 2 is installed right in front of the first main roller 4, and a lower scraper 11 for scraping coal slime on the lower filter belt 3 is installed right in front of the second main roller 5. Each squeezing roller 6 is connected with a vacuum pump through a hose 9, and the hose 9 is a high-pressure hose.
The invention relates to a coal slime dewatering device, which comprises a plurality of squeezing rollers, a plurality of vacuum pumps and a plurality of vacuum pumps, wherein the squeezing rollers are used for squeezing coal slime, the squeezing areas of the squeezing rollers are increased by the plurality of squeezing rollers, so that the dewatering efficiency of the coal slime is improved; therefore, the invention collects the extrusion and water pumping of the plurality of extrusion rollers, so that the dehydration rate of the coal slime is high, the problem of small extrusion area of the extrusion rollers is solved, and the dehydration efficiency of the filter press is further improved. The coal slime can adhere to the upper filter belt and the lower filter belt after being extruded, and the upper scraper blade and the lower scraper blade are used for improving the coal slime yield. The pressure of vacuum pump evacuation is big, consequently, adopts high-pressure hose to connect, not only can adjust the position of vacuum pump, and the vacuum pump of being convenient for and hose connection, hose connection mode is simple moreover, and is with low costs, and compressive capacity is strong, the maintenance of being convenient for.
Example 2
According to embodiment 1, at least two pressure rollers 8 for driving the lower filter belt 3 are installed between the upper and lower transfer surfaces of the lower filter belt 3, the pressure rollers 8 rotate in the same direction as the second main roller 5 and all the pressure rollers 8 are parallel to the second main roller 5 in the transfer direction of the lower filter belt 3. The pressure bearing rollers 8 correspond to the extrusion rollers 6 one by one, and each pressure bearing roller 8 and the corresponding extrusion roller 6 are installed in a paired mode. The mutual action between the bearing roller and the squeeze roller can increase the extrusion force applied to the coal slime, accelerate the water outlet rate of the coal slime and improve the dehydration efficiency of the coal slime.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. Dewatering device for preparing coal slime from high-sulfur coal gangue comprises a frame (1), an upper filter belt (2), a lower filter belt (3) positioned under the upper filter belt (2), a first main roller (4) for driving the upper filter belt (2), and a second main roller (5) for driving the lower filter belt (3), wherein the first main roller (4) and the second main roller (5) are installed in a roll-to-roll manner, the first main roller (4) and the second main roller (5) are both connected with the frame (1) and are both positioned at a discharge port, the dewatering device is characterized in that extrusion rollers (6) of at least two driving upper filter belts (2) are further installed between an upper conveying surface and a lower conveying surface of the upper filter belt (2), all the extrusion rollers (6) are in the same rotating direction as the first main roller (4), all the extrusion rollers (6) are parallel to the first main roller (4) along the driving direction of the upper filter belt (2), and each extrusion roller (6) is a hollow roller with a hollow roller, squeeze roll (6) inner wall coats and is stamped filter paper (7), and the one end of all squeeze rolls (6) all communicates to the vacuum pump, and the other end of squeeze roll (6) is sealed, and every squeeze roll (6) pass through hose (9) with the vacuum pump and be connected, hose (9) are high-pressure hose, install directly in front of first main roll (4) and scrape last scraper blade (10) of the coal slime on upper filter belt (2), install directly in front of second main roll (5) and scrape lower scraper blade (11) of the coal slime on lower filter belt (3).
2. The dewatering device for preparing coal slurry by using high-sulfur coal gangue as claimed in claim 1, wherein at least two pressure bearing rollers (8) for driving the lower filter belt (3) are installed between the upper conveying surface and the lower conveying surface of the lower filter belt (3), the rotation directions of the pressure bearing rollers (8) and the second main roller (5) are the same, and all the pressure bearing rollers (8) are parallel to the second main roller (5) along the transmission direction of the lower filter belt (3).
3. The dewatering device for preparing coal slurry from high-sulfur coal gangue according to claim 2, wherein the pressure rollers (8) correspond to the squeeze rollers (6) one by one, and each pressure roller (8) is installed in a pair of rollers with the corresponding squeeze roller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710181784.6A CN106882915B (en) | 2017-03-24 | 2017-03-24 | Dewatering device for preparing coal slime from high-sulfur coal gangue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710181784.6A CN106882915B (en) | 2017-03-24 | 2017-03-24 | Dewatering device for preparing coal slime from high-sulfur coal gangue |
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| Publication Number | Publication Date |
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| CN106882915A CN106882915A (en) | 2017-06-23 |
| CN106882915B true CN106882915B (en) | 2020-02-28 |
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| CN201710181784.6A Active CN106882915B (en) | 2017-03-24 | 2017-03-24 | Dewatering device for preparing coal slime from high-sulfur coal gangue |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114455796A (en) * | 2021-12-30 | 2022-05-10 | 山东创新华一环境工程有限公司 | Coal slime dehydration process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009082896A (en) * | 2007-09-27 | 2009-04-23 | Raisen:Kk | Apparatus for treating garbage |
| CN102219344B (en) * | 2011-03-04 | 2013-01-30 | 王元华 | Waste treatment machine |
| KR101408301B1 (en) * | 2014-01-29 | 2014-06-17 | 엔텍스 주식회사 | Concentration device of organic waste and concentrating method thereof |
| CN203960025U (en) * | 2014-06-26 | 2014-11-26 | 邵质权 | A kind of belt sludge solidification device |
| CN206642448U (en) * | 2017-03-24 | 2017-11-17 | 绵阳耀邦环保科技有限公司 | Coal slime preparation belt filter press |
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Effective date of registration: 20191219 Address after: 610000 Sichuan city of Chengdu province high tech Zone sub Road No. 88 2 10 storey building No. 1002 Applicant after: Sichuan Xingzhi Zhihui Intellectual Property Operation Co.,Ltd. Address before: 610000, Sanjiang Avenue, Mianyang, Sichuan Province, No. 39 Applicant before: MIANYANG YAOBANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20230522 Address after: 610000 Rong Ou, 144 Qingbaijiang Road, Chengdu, Sichuan. Patentee after: Chengdu Zhirong Zhichuang Intellectual Property Operation Co.,Ltd. Address before: 610000 No. 10, 2 2, 88 Jiao Zi Road, Chengdu high tech Zone, Sichuan. Patentee before: Sichuan Xingzhi Zhihui Intellectual Property Operation Co.,Ltd. |