CN215906070U - Sludge dewatering equipment for coal mine water treatment - Google Patents
Sludge dewatering equipment for coal mine water treatment Download PDFInfo
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- CN215906070U CN215906070U CN202120846299.8U CN202120846299U CN215906070U CN 215906070 U CN215906070 U CN 215906070U CN 202120846299 U CN202120846299 U CN 202120846299U CN 215906070 U CN215906070 U CN 215906070U
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- rotary drum
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- water treatment
- mine water
- sludge dewatering
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Abstract
The utility model discloses sludge dewatering equipment for coal mine water treatment, which comprises a shell, wherein a rotary drum is rotatably arranged in the shell, a spiral conveyor is fixedly arranged at the rear end of the rotary drum, a feeding pipe is fixedly arranged at the front end of the rotary drum, a liquid baffle plate is fixedly arranged at the front end of the rotary drum, a liquid discharge hole is fixedly formed in the liquid baffle plate, a feeding hole is fixedly formed in the front end of the rotary drum, spiral blades are fixedly arranged on the outer sides of the rotary drum and the spiral conveyor, a liquid return hole is fixedly formed in one end, close to the spiral conveyor, of the rotary drum, and a slag baffle plate is fixedly arranged at the rear end of the spiral conveyor. The utility model discloses sludge dewatering equipment for coal mine water treatment, which has the advantages of small volume, simple structure, convenient operation, less operation faults, less equipment one-time investment and low operation cost, does not need to add polyacrylamide medicament in the operation process, and is favorable for high-efficiency and low-cost operation.
Description
Technical Field
The utility model relates to the technical field of mine water treatment equipment, in particular to sludge dewatering equipment for coal mine water treatment.
Background
Coal is an important basic energy and raw material in China, has an important strategic position in national economy, and makes great contribution to national economy and social development of China, but coal mining areas in China are mainly distributed in water-deficient areas, a large amount of underground water is extracted and drained in mining areas, underground water resources in mining areas and peripheral areas are damaged and drained, the water level of the underground water is reduced, water resources in the mining areas are exhausted, the ground of a hidden mining area is reduced, karst ground collapse of the karst mining area is induced, if a large amount of underground water in mines is directly discharged, water quality deterioration is caused, water environment pollution is caused, the mine water is recycled to production life after being treated, and the mine water treatment is one of main ways for solving the water resource shortage of the mining areas and is also a specific requirement of national energy-saving and emission-reducing policies, the mine water treatment is used as a water resource for treatment and recycling, the method can relieve the problem of lack of water resources in mining areas, and can also treat the pollution of coal mining to the environment.
The existing sludge dewatering equipment for mine water treatment has the following defects:
the device has the advantages of large volume, complex structure, inconvenient operation, more operation faults, large maintenance amount and low efficiency, and is not suitable for the requirements of mine water treatment and production.
Secondly, the sludge dehydration rate is low, the reuse of the sludge is influenced, the mine water sludge contains a large amount of coal dust and coal slag, the mine water sludge can be used as energy, the sludge has high water content, and the use value of the mine water sludge is directly limited due to poor physical properties.
The amount of water used for washing the sludge dewatering equipment is large, and the washing water returns to the sewage treatment system for treatment again, so that the load of the water treatment system is increased on one hand, and the production efficiency of the sludge dewatering equipment is reduced on the other hand.
Fourthly, the requirement on feeding is high, the fluctuation range of the sludge concentration is required to be small, the dosage of polyacrylamide required to be added in the operation process is large, and the operation is not beneficial to high efficiency and low cost.
The equipment is open or semi-open, the material is easy to leak, the environment is polluted, and harmful gas is easy to escape, so that air pollution in the factory building is caused.
Sixthly, the equipment investment is large at one time, and the construction cost is high.
Therefore, it is necessary to provide a sludge dewatering device for coal mine water treatment, which solves the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides sludge dewatering equipment for coal mine water treatment.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a sludge dewatering equipment for colliery mine water treatment, includes the casing, the inside rotation of casing is provided with the rotary drum, the fixed auger delivery ware that is provided with in rear end of rotary drum, the fixed inlet pipe that is provided with in rotary drum front end, the fixed fender liquid board that is provided with in rotary drum front end, the outage has been fixed to be seted up on the fender liquid board, the fixed charge door that has seted up in rotary drum front end, rotary drum and auger delivery ware outside all fixed be provided with propeller blade, the one end that the rotary drum is close to auger delivery ware is fixed has seted up back liquid hole, the fixed slag trap that is provided with in auger delivery ware rear end, auger delivery ware has fixedly seted up the mud hole in slag trap front side, auger delivery ware stretches out the fixed differential mechanism that is provided with of the outside one end outer wall of casing, differential mechanism's input passes through power belt and is connected with the speed governing motor transmission.
As a further description of the above technical solution:
two front end supporting legs are fixedly arranged at the bottom of the front end of the shell.
As a further description of the above technical solution:
two rear end supporting legs are fixedly arranged at the bottom of the rear end of the shell.
As a further description of the above technical solution:
the rotary drum, the spiral conveyor and the shell are fixedly provided with bearings at the rotary connection parts, and the two bearings are respectively arranged on the front end supporting leg and the rear end supporting leg.
As a further description of the above technical solution:
and a liquid outlet hole is fixedly formed in the lower side of the front end of the rotary drum.
As a further description of the above technical solution:
and a clear liquid outlet is fixedly arranged at the lower side of the front end of the shell and communicated with the liquid outlet hole.
As a further description of the above technical solution:
and a sludge outlet is fixedly arranged at the lower side of the rear end of the shell and is communicated with the slag discharge hole.
As a further description of the above technical solution:
and anti-skidding supporting legs are fixedly arranged at the bottoms of the rear-end supporting legs and the front-end supporting legs.
The utility model has the following beneficial effects:
1. the sludge dewatering equipment for coal mine water treatment provided by the utility model has the advantages of small volume, simple structure, convenience in operation and less operation faults.
2. The sludge dewatering equipment for coal mine water treatment provided by the utility model has high sludge dewatering rate, and can reduce the water content of sludge with the feed water content of 90-95% to below 55% through dewatering treatment.
3. The sludge dewatering equipment for coal mine water treatment provided by the utility model can normally operate, has no flushing process of the sludge dewatering equipment, improves the production efficiency of the equipment pair, and does not produce no water generated by secondary washing water and returns to a sewage treatment system for treatment again.
4. According to the sludge dewatering equipment for coal mine water treatment, a polyacrylamide medicament is not required to be added in the operation process, and the sludge dewatering equipment is beneficial to high-efficiency and low-cost operation.
5. The sludge dewatering equipment for coal mine water treatment provided by the utility model is integrally sealed, materials are not easy to leak, harmful gas is not easy to escape, and good operation environment is favorably kept.
6. The sludge dewatering equipment for coal mine water treatment provided by the utility model has the advantages of low one-time investment and low operation cost.
Drawings
FIG. 1 is an isometric view of a sludge dewatering apparatus for coal mine water treatment according to the present invention;
FIG. 2 is a front sectional view of a sludge dewatering device for coal mine water treatment according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is an enlarged view at B in fig. 2.
Illustration of the drawings:
1. a feed pipe; 2. a bearing; 3. a liquid baffle; 4. a drum; 5. a feed aperture; 6. a housing; 7. a propeller blade; 8. a liquid return hole; 9. a screw conveyor; 10. a slag discharge hole; 11. a slag trap; 12. a differential mechanism; 13. a power belt; 14. a variable speed motor; 15. a rear end leg; 16. a sludge outlet; 17. a clear liquid outlet; 18. a front end leg; 19. a drain hole; 20. and a liquid outlet hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, one embodiment of the present invention is provided: a sludge dewatering device for coal mine water treatment comprises a shell 6, the shell 6 plays a role in protecting a rotary drum 4, a spiral conveyor 9 and accessories thereof and plays a role in sealing, the rotary drum 4 is rotatably arranged in the shell 6, the rotary drum 4 is in a cylindrical cone shape, the front section of the rotary drum is in a cylindrical shape, the rear end of the rotary drum is in a conical shape, the spiral conveyor 9 is fixedly arranged at the rear end of the rotary drum 4, the spiral conveyor 9 is arranged in the cylindrical cone of the rotary drum 4 and is concentrically arranged with the rotary drum 4, the shape of the rotary drum is matched with that of the rotary drum 4, a feeding pipe 1 is fixedly arranged at the front end of the rotary drum 4, the feeding pipe 1 plays a role, a liquid baffle plate 3 is fixedly arranged at the front end of the rotary drum 4, a liquid discharge hole 19 is fixedly arranged on the liquid baffle plate 3, the liquid discharge hole 19 and a liquid discharge hole 20 on the rotary drum 4 play a role in guiding clear liquid, a feeding hole 5 is fixedly arranged at the front end of the rotary drum 4, and spiral blades 7 are fixedly arranged at the outer sides of the rotary drum 4 and the spiral conveyor 9, the propeller blades 7 play a role in pushing materials, one end of the rotary drum 4 close to the spiral conveyor 9 is fixedly provided with a liquid return hole 8, the rear end of the spiral conveyor 9 is fixedly provided with a slag trap 11, the spiral conveyor 9 is fixedly provided with a slag discharge hole 10 in the front side of the slag trap 11, the outer wall of one end of the spiral conveyor 9 extending out of the shell 6 is fixedly provided with a differential mechanism 12, and the input end of the differential mechanism 12 is in transmission connection with a speed regulating motor 14 through a power belt 13.
Two front-end supporting legs 18 are fixedly arranged at the bottom of the front end of the shell 6, two rear-end supporting legs 15 are fixedly arranged at the bottom of the rear end of the shell 6, the front-end supporting legs 18 and the rear-end supporting legs 15 bear the gravity of all equipment and working media, bearings 2 are fixedly arranged at the rotating joints of the rotary drum 4 and the screw conveyor 9 and the shell 6, the two bearings 2 are respectively arranged on the front-end supporting legs 18 and the rear-end supporting legs 15, the gravity of the screw conveyor 9 is transmitted to the front-end supporting legs 18 and the rear-end supporting legs 15 through the rotary drum 4 through the two bearings 2, a liquid outlet 20 is fixedly formed in the lower side of the front end of the rotary drum 4, a clear liquid outlet 17 is fixedly formed in the lower side of the front end of the shell 6, the clear liquid outlet 17 is communicated with the liquid outlet 20, a sludge outlet 16 is fixedly arranged in the lower side of the rear end of the shell 6, the sludge outlet 16 is communicated with a slag discharge hole 10, and anti-skid supporting legs are fixedly arranged at the bottoms of the rear-end supporting legs 15 and the front-end supporting legs 18.
The working principle is as follows: when the sludge dewatering equipment for coal mine water treatment is used, the speed regulating motor 14 is started, the rotary drum 4 and the screw conveyor 9 are driven to rotate by the power belt 13, the rotating speed of the rotary drum 4 and the screw conveyor 9 is regulated by the differential mechanism 12, so that a speed difference is formed between the rotary drum 4 and the screw conveyor 9, the rotating speed of the speed regulating motor 14 can be regulated within a determined range, the rotating speed of the rotary drum 4 and the screw conveyor 9 is regulated accordingly, then sludge materials to be dewatered are conveyed into the screw conveyor 9 from the feeding pipe 1, then enter a cavity between the screw conveyor 9 and the rotary drum 4 from the feeding hole 5, the screw conveyor 9 and the rotary drum 4 drive the materials to rotate together, under the action of centrifugal force, solid particles in the sludge materials to be dewatered have larger mass, and therefore move outwards and deposit on the inner wall of the rotary drum 4, clear liquid is remained in the middle part, meanwhile, the speed difference exists between the screw conveyor 9 and the rotary drum 4, in the relative movement, the screw propeller blade 7 pushes the deposited sludge and liquid materials to move towards the rear end, when the materials reach the conical part of the rotary drum 4, the cavity space between the screw conveyor 9 and the rotary drum 4 is reduced, the materials are extruded, the clear liquid returns to the front large space from the liquid return hole 8, the sludge is discharged to the outside of the rotary drum 4 from the slag discharge hole 10 under the pushing of the screw propeller blade 7 and is finally discharged from the sludge outlet 16 at the tail part of the equipment, and the clear liquid in the cavity is discharged from the liquid discharge hole 19 and the liquid discharge hole 20 at the front end of the equipment and is finally discharged from the clear liquid outlet 17 at the front part of the equipment under the pressure of the materials.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. A sludge dewatering equipment for colliery mine water treatment, includes casing (6), its characterized in that: the rotary drum (4) is rotatably arranged in the shell (6), a spiral conveyor (9) is fixedly arranged at the rear end of the rotary drum (4), a feeding pipe (1) is fixedly arranged at the front end of the rotary drum (4), a liquid baffle plate (3) is fixedly arranged at the front end of the rotary drum (4), a liquid discharge hole (19) is fixedly formed in the liquid baffle plate (3), a feeding hole (5) is fixedly formed in the front end of the rotary drum (4), spiral blades (7) are fixedly arranged on the outer sides of the rotary drum (4) and the spiral conveyor (9), a liquid return hole (8) is fixedly formed in one end, close to the spiral conveyor (9), of the rotary drum (4), a slag baffle plate (11) is fixedly arranged at the rear end of the spiral conveyor (9), a slag discharge hole (10) is fixedly formed in the front side of the slag baffle plate (11), and a differential mechanism (12) is fixedly arranged on the outer wall, extending out of the shell (6), of the spiral conveyor (9), the input end of the differential (12) is in transmission connection with a speed regulating motor (14) through a power belt (13).
2. The sludge dewatering equipment for coal mine water treatment according to claim 1, characterized in that: two front-end supporting legs (18) are fixedly arranged at the bottom of the front end of the shell (6).
3. The sludge dewatering equipment for coal mine water treatment according to claim 1, characterized in that: two rear end supporting legs (15) are fixedly arranged at the bottom of the rear end of the shell (6).
4. The sludge dewatering equipment for coal mine water treatment according to claim 1, characterized in that: the rotary drum (4) and the rotary joint of the spiral conveyor (9) and the shell (6) are fixedly provided with bearings (2), and the two bearings (2) are respectively arranged on the front end supporting leg (18) and the rear end supporting leg (15).
5. The sludge dewatering equipment for coal mine water treatment according to claim 1, characterized in that: liquid outlet holes (20) are fixedly formed in the lower side of the front end of the rotary drum (4).
6. The sludge dewatering equipment for coal mine water treatment according to claim 1, characterized in that: a clear liquid outlet (17) is fixedly arranged at the lower side of the front end of the shell (6), and the clear liquid outlet (17) is communicated with the liquid outlet hole (20).
7. The sludge dewatering equipment for coal mine water treatment according to claim 1, characterized in that: a sludge outlet (16) is fixedly arranged at the lower side of the rear end of the shell (6), and the sludge outlet (16) is communicated with the slag discharge hole (10).
8. The sludge dewatering equipment for coal mine water treatment according to claim 3, characterized in that: and anti-skidding supporting legs are fixedly arranged at the bottoms of the rear-end supporting leg (15) and the front-end supporting leg (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120846299.8U CN215906070U (en) | 2021-04-23 | 2021-04-23 | Sludge dewatering equipment for coal mine water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120846299.8U CN215906070U (en) | 2021-04-23 | 2021-04-23 | Sludge dewatering equipment for coal mine water treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215906070U true CN215906070U (en) | 2022-02-25 |
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ID=80286478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120846299.8U Active CN215906070U (en) | 2021-04-23 | 2021-04-23 | Sludge dewatering equipment for coal mine water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215906070U (en) |
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2021
- 2021-04-23 CN CN202120846299.8U patent/CN215906070U/en active Active
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