CN112774312A - Solid-liquid separation and purification device for underground coal mine - Google Patents
Solid-liquid separation and purification device for underground coal mine Download PDFInfo
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- CN112774312A CN112774312A CN202110042697.9A CN202110042697A CN112774312A CN 112774312 A CN112774312 A CN 112774312A CN 202110042697 A CN202110042697 A CN 202110042697A CN 112774312 A CN112774312 A CN 112774312A
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- settling tank
- liquid separation
- purification device
- underground coal
- diffuser
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
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Abstract
The invention discloses a solid-liquid separation and purification device for an underground coal mine, and relates to the field of separation of coal-water mixtures in the underground coal mine. The device comprises a collecting pipeline, a diffuser, a settling tank and a driving mechanism; one end of the collecting pipeline is communicated with a mixture source, the other end of the collecting pipeline is connected with a diffuser, the diffuser is of a box body structure, and turbulent flow plates are respectively arranged on the middle part and the lower end surface of the box body; the diffuser is arranged at the upper part of the settling tank, the side surface of the settling tank is provided with an overflow water tank, and the lower part of the overflow water tank is provided with a drain pipe; the inside of setting up the discharge mechanism of setting up of settling tank, discharge mechanism is connected with actuating mechanism, and actuating mechanism is connected with control mechanism. The invention is suitable for the environments of underground coal mines, mines with sewage and the like, has convenient use and reliable performance, meets the production requirement of coal mines, uses machinery to replace heavy manual labor, collects coal-water mixtures, separates and removes solid particles, and realizes the purposes of reducing labor and improving efficiency and safe production.
Description
Technical Field
The invention relates to the technical field of coal-water mixture separation in a coal mine, in particular to a solid-liquid separation and purification device for the coal mine.
Background
Fluid, namely coal (gangue) and water mixture, exists in a coal sliding well of a coal face, a small gangue sliding well of a driving face and a lower wellhead of a main shaft skip for loading coal, wherein scattered coal and gangue particles are mixed with underground roof water spray or shaft water burst. The mixture of coal (gangue) and water directly causes the clogging of a tunnel ditch after flowing out of a coal (gangue) discharge nozzle, thereby clogging a transportation rail; when the mixture of coal (gangue) and water is loaded into the mine car and solid particles are stagnated at the bottom of the mine car, the volume rate of the mine car is reduced; the mixture of scattered coal loaded in the main skip and water gushing in the shaft is cleaned by a special person when the skip is lifted. In the prior art, solid matters in coal (gangue) and water mixtures generated in underground coal mine production are manually cleaned after being deposited, so that the labor intensity is high, and the safety factor is low. In order to solve the problem, a coal (gangue) and water mixture separation and purification device which is beneficial to reducing people and improving efficiency, is beneficial to safe production, meets the production environment of the coal mine and can realize automatic control for treating coal (gangue) and water mixtures from the source is needed to be developed.
Meanwhile, in the production process of a coal mine, a large amount of coal (gangue) muddy water exists on a mining working surface due to reasons of dust fall, equipment cooling, water burst on the working surface and the like, silting of a ditch and a sump is caused in the drainage process, a large amount of manpower and financial resources are consumed for cleaning and digging the ditch and the sump, and hidden danger is caused to a mine due to silting of the ditch of the sump.
Disclosure of Invention
In order to solve the technical problems, the invention provides a solid-liquid separation and purification device for a coal mine underground, which has the advantages of simple structure, convenience in use and reliable performance, meets the production requirements of the coal mine, and achieves the purposes of replacing heavy manual labor with machinery and collecting coal (gangue) water mixture.
In order to realize the technical purpose, the invention adopts the following scheme: the solid-liquid separation and purification device for the underground coal mine comprises a collecting pipeline, a diffuser, a settling tank, a discharge mechanism, a driving mechanism and a control mechanism; one end of the collecting pipeline is communicated with a coal-water mixture source, the other end of the collecting pipeline is connected with a diffuser, the diffuser is of a box body structure, turbulent flow plates are respectively arranged on the middle part and the lower end surface of the box body, and the side wall of the box body is connected with the collecting pipeline; the diffuser is arranged at the upper part of the settling tank, the side surface of the settling tank is provided with an overflow water tank, the lower part of the overflow water tank is provided with a drain pipe, and one side wall of the overflow water tank is provided with a filter screen structure; the lower part of the settling tank is provided with a discharge mechanism, the discharge mechanism is connected with a driving mechanism, and the driving mechanism is connected with a control mechanism.
Compared with the prior art, the invention has the beneficial effects that: the invention is suitable for the environments of underground coal mines, mines with sewage and the like, and is particularly suitable for the source treatment of coal (gangue) and water mixture existing under the underground coal mines. The high-speed (10 m/s) mixed water fed by a high-pressure water pump is reduced to a low flow speed (0.1m/s) in a turbulent flow manner through a simple structural device, so that the coal-water mixture sinks at a stable speed, the problem of long-distance transportation is solved, the high-lift and long-distance coal-water mixture is directly conveyed to a solid-liquid separation device, and the solid-liquid separation of the coal-water mixture is realized; through the twice cross section flow expansion of the diffuser and the overflow water tank, the feeding flow rate of the collecting pipeline is reduced by 12000 times, sufficient time is provided for the gravity sedimentation of the mixture, and the sedimentation effect is better; the invention simplifies the equipment, is convenient to use and reliable in performance, meets the production requirements of coal mines, uses machinery to replace heavy manual labor, collects coal-water mixtures, separates and removes solid particles, and achieves the purposes of reducing the number of people and improving the efficiency and realizing safe production.
The preferred scheme of the invention is as follows:
the discharge mechanism comprises a chain wheel, a chain, scrapers, a driving mechanism and a control mechanism, the chain wheel is arranged on the lower portion of the settling box, the chain is sleeved on the chain wheel, the scrapers are arranged on the chain at intervals and abut against the lower end face of the settling box, and the chain wheel is connected with the driving mechanism. The sediment is slowly moved and discharged through the scraper and the chain wheel, so that the stirring of the sediment is reduced.
The driving mechanism comprises a speed reducer and a motor, the chain wheel is connected with the speed reducer, and the speed reducer is connected with the motor.
The chain that upper portion gyration is located the liquid level of settling tank above, avoids the chain motion to the stirring of the interior liquid of settling tank.
The lower end face of the settling tank is provided with an inclined lifting face, so that sediments are lifted slowly, and stirring of the sediments is reduced.
The front end of the settling tank is provided with a sludge discharge plate which is connected with the upper end of the inclined lifting surface.
The control mechanism is an explosion-proof electric control box.
The pipeline that the collection pipeline is located the diffuser is the collection pipeline section of draining, and the lateral wall equipartition of collecting the pipeline section of draining has the through-hole, changes the mixture flow direction, plays the effect of slowing down.
The mesh number of the filter screen of the overflow water tank filter screen structure is 325 meshes, so that suspended matters are shielded, and water pollution is reduced.
The terminal surface of setting tank is the isosceles trapezoid structure of inversion, and the top of being convenient for is depositd and is sunk to scraper blade department, reduces and piles up the dead angle.
Drawings
FIG. 1 is a schematic side view of a solid-liquid separation and purification device for underground coal mine according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a solid-liquid separation and purification device for underground coal mine according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a diffuser according to an embodiment of the present invention;
labeled as: the device comprises a collecting pipeline 1, an overflow water tank 2, a collecting pipeline water outlet section 3, a diffuser 4, a first turbulent flow plate 41, a second turbulent flow plate 42, a settling tank 5, a scraper 6, a water outlet pipe 7, a driving device 8, a chain 9, an inclined lifting surface 10, a chain wheel 11, a mud discharging plate 12 and a filter screen 13.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to fully understand the objects, features and effects of the invention, but the present invention is not limited thereto.
Referring to fig. 1 and 2, the solid-liquid separation and purification device for the underground coal mine provided by the invention comprises a collection pipeline 1, a diffuser 4, a settling tank 5, a discharge mechanism and the like, wherein one end of the collection pipeline 1 is communicated with a coal gangue-water mixture source, the other end of the collection pipeline 1 is communicated with the side wall of the diffuser 4, through holes are uniformly distributed on the side wall of a water outlet section 3 of the collection pipeline extending into the diffuser 4, the collection pipeline 1 is horizontally arranged, and the coal gangue-water mixture changes the flow direction through the through holes and is deposited downwards.
Referring to fig. 3, the diffuser 4 is disposed at the middle upper portion of the settling tank 5, the diffuser 4 is a rectangular box structure, the upper end surface and the peripheral side wall of the box are respectively sealing plate structures, a first turbulence plate 41 is disposed at the middle portion of the box, and a second turbulence plate 42 is disposed at the lower end surface of the box. The coal gangue water mixture plays a role in reducing the turbulence through the diffuser 4, the high flow speed (10 m/s) is reduced to the low flow speed (0.1m/s), the stirring to the liquid in the settling tank 5 is reduced, and solid particles are uniformly deposited downwards under the action of gravity.
The terminal surface of setting tank 5 is the isosceles trapezoid structure of inversion, helps the downward slip deposit of particulate matter. The two sides of the upper end of the settling tank 5 are respectively provided with overflow water tanks 2, the connection surface of the overflow water tanks 2 and the settling tank 5 is provided with a filter screen 13 structure, the preferable mesh number of the filter screen 13 is 325 meshes, and particles larger than 0.03mm in overflow water are better filtered and left in the settling tank 5 to play a role in purifying water. The bottom of the overflow water tank 2 is provided with a drain pipe 7. Because the upper end surface and the side wall of the diffuser 4 are closed plates, the pollution of the newly-fed mixture to overflow water is effectively avoided.
The second turbulent flow plate 42 of the diffuser 4 realizes the communication between the diffuser 4 and the settling tank 5, the lower end surface of the settling tank 5 is provided with the inclined lifting surface 10, the upper end of the settling tank 5 is provided with the sludge discharge plate 12, and the upper end of the inclined lifting surface 10 is connected with the sludge discharge plate 12, so that the discharge of solid matters is facilitated, and the stirring of sediments is reduced. The height of the lower end surface of the diffuser 4 is lower than that of the bottom surface of the overflow water channel 2.
Be provided with discharge mechanism in the setting tank 5, discharge mechanism comprises sprocket 11, chain 9 and scraper blade 6 etc. and sprocket 11 installs in setting tank 5, and chain 9 suit is on sprocket 11, is provided with scraper blade 6 on the chain 9, scraper blade 6 and setting tank 5's lower terminal surface butt. The width of the scraper 6 is consistent with that of the lower end surface of the settling tank 5. The front end chain wheel is arranged up and down symmetrically, wherein the height of the upper chain wheel enables the rotary chain 9 to be higher than the liquid level in the settling tank 5, and the stirring of the chain 9 to liquid is avoided. The rear end chain wheels are respectively arranged at the upper end and the lower end of the inclined lifting surface 10, the chain wheel at the upper end of the inclined lifting surface 10 is connected with the driving mechanism 8, the driving mechanism 8 consists of a speed reducer and a motor, the motor is connected with the speed reducer, the speed reducer is connected with the chain wheel 11, the motor is connected with the control mechanism, and the control mechanism is an explosion-proof electric control box.
In the preferred embodiment of the invention, the length of the settling tank 5 is 18m, the lengths of the diffuser 4 and the overflow water tank 2 are the same as the length of the settling tank 5, the pipe diameter of the collecting pipeline 1 is 65mm, the flow expansion flow rate of the liquid entering the collecting pipeline 1 after passing through the diffuser 4 and the overflow water tank 2 is reduced by 12000 times, and sufficient time is provided for the gravity sedimentation of the mixture.
The working process of the device is as follows: the coal gangue water mixture with the granularity less than 30mm horizontally enters the diffuser 4 through the collecting pipeline 1, and the diffuser 4 changes and slows down the flow speed of the coal gangue water mixture. The mixture in the diffuser 4 is settled downwards through the double-layer turbulence plate, the liquid flows around after passing through the second turbulence plate 42, and the particles with the diameter of 30mm to 0.5mm are settled to the bottom of the settling tank 5.
The liquid of 5 overflows of settling tank filters the deposit through 325 mesh filter screen 13, filters sedimentary particulate matter and is 0.03~0.5mm granularity, and the bottom of settling tank 5 is fallen through trapezoidal face to the particulate matter. The water containing the particles with the particle size smaller than 0.03mm meets the discharge requirement, and the water is discharged into a drainage ditch through the overflow water tank 2 and the drainage pipe 7 by static pressure. The solid particles deposited at the bottom are slowly driven by the scraper 6 to move forwards and are lifted to a mud discharging plate 12 through a slope lifting surface 10 to be discharged. The driving mechanism 8 drives the chain wheel 11 to work under the control of an explosion-proof electric control box for realizing power output and speed control.
The invention is suitable for the environments of underground coal mines, mines with sewage and the like, and is particularly suitable for the source treatment of coal (gangue) and water mixture existing under the underground coal mines. The high-speed (10 m/s) mixed water fed by a high-pressure water pump is reduced to a low flow speed (0.1m/s) in a turbulent flow manner through a simple structural device, so that the coal-water mixture sinks at a stable speed, the problem of long-distance transportation is solved, the high-lift and long-distance coal-water mixture is directly conveyed to a solid-liquid separation device, and the solid-liquid separation of the coal-water mixture is realized; through the twice cross section flow expansion of the diffuser and the overflow water tank, the feeding flow rate of the collecting pipeline is reduced by 12000 times, sufficient time is provided for the gravity sedimentation of the mixture, and the sedimentation effect is better; the invention simplifies the equipment, is convenient to use and reliable in performance, meets the production requirements of coal mines, uses machinery to replace heavy manual labor, collects coal-water mixtures, separates and removes solid particles, and achieves the purposes of reducing the number of people and improving the efficiency and realizing safe production.
Finally, it is noted that: the above-mentioned list is only the preferred embodiment of the present invention, and naturally those skilled in the art can make modifications and variations to the present invention, which should be considered as the protection scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.
Claims (10)
1. A solid-liquid separation and purification device for underground coal mines comprises a collecting pipeline, a diffuser, a settling tank, a discharge mechanism, a driving mechanism and a control mechanism; the coal water mixture collecting device is characterized in that one end of a collecting pipeline is communicated with a coal water mixture source, the other end of the collecting pipeline is connected with a diffuser, the diffuser is of a box body structure, turbulent flow plates are respectively arranged on the middle part and the lower end surface of the box body, and the side wall of the box body is connected with the collecting pipeline;
the diffuser is arranged at the upper part of the settling tank, the side surface of the settling tank is provided with an overflow water tank, the lower part of the overflow water tank is provided with a drain pipe, and one side wall of the overflow water tank is provided with a filter screen structure; the lower part of the settling tank is provided with a discharge mechanism, the discharge mechanism is connected with a driving mechanism, and the driving mechanism is connected with a control mechanism.
2. The underground coal mine solid-liquid separation and purification device according to claim 1, wherein the discharge mechanism comprises a chain wheel, a chain, scrapers, a driving mechanism and a control mechanism, the chain wheel is arranged at the lower part of the settling tank, the chain wheel is sleeved with the chain, the scrapers are arranged on the chain at intervals and abut against the lower end face of the settling tank, and the chain wheel is connected with the driving mechanism.
3. The underground coal mine solid-liquid separation and purification device as claimed in claim 2, wherein the driving mechanism comprises a speed reducer and a motor, the chain wheel is connected with the speed reducer, and the speed reducer is connected with the motor.
4. The underground coal mine solid-liquid separation and purification device as recited in claim 2, wherein the upper revolving chain is located above the liquid level of the settling tank.
5. The underground coal mine solid-liquid separation and purification device as recited in claim 1, wherein an inclined lifting surface is provided on the lower end surface of the settling tank.
6. The underground coal mine solid-liquid separation and purification device as claimed in claim 5, wherein a mud discharging plate is arranged at the front end of the settling tank and connected with the upper end of the inclined lifting surface.
7. The underground coal mine solid-liquid separation and purification device as claimed in claim 1, wherein the control mechanism is an explosion-proof electrical control box.
8. The underground coal mine solid-liquid separation and purification device as claimed in claim 1, wherein the pipeline of the collection pipeline in the diffuser is a collection pipeline drainage section, and through holes are uniformly distributed in the side wall of the collection pipeline drainage section.
9. The underground coal mine solid-liquid separation and purification device as claimed in claim 1, wherein the mesh number of the filter screen of the overflow water tank filter screen structure is 325 meshes.
10. The underground coal mine solid-liquid separation and purification device as recited in claim 1, wherein the end face of the settling tank is an inverted isosceles trapezoid structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110042697.9A CN112774312A (en) | 2021-01-13 | 2021-01-13 | Solid-liquid separation and purification device for underground coal mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110042697.9A CN112774312A (en) | 2021-01-13 | 2021-01-13 | Solid-liquid separation and purification device for underground coal mine |
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| Publication Number | Publication Date |
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| CN112774312A true CN112774312A (en) | 2021-05-11 |
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|---|---|---|---|
| CN202110042697.9A Pending CN112774312A (en) | 2021-01-13 | 2021-01-13 | Solid-liquid separation and purification device for underground coal mine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470873A (en) * | 2022-03-10 | 2022-05-13 | 兖矿能源集团股份有限公司 | Coal-water separation device and method for underground downhill tunneling working face |
| CN115448499A (en) * | 2022-10-17 | 2022-12-09 | 陕西能源职业技术学院 | Underground working face water sump |
-
2021
- 2021-01-13 CN CN202110042697.9A patent/CN112774312A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114470873A (en) * | 2022-03-10 | 2022-05-13 | 兖矿能源集团股份有限公司 | Coal-water separation device and method for underground downhill tunneling working face |
| CN115448499A (en) * | 2022-10-17 | 2022-12-09 | 陕西能源职业技术学院 | Underground working face water sump |
| CN115448499B (en) * | 2022-10-17 | 2023-06-20 | 陕西能源职业技术学院 | Underground working face water sump |
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