CN115448499B

CN115448499B - Underground working face water sump

Info

Publication number: CN115448499B
Application number: CN202211265226.5A
Authority: CN
Inventors: 张冬冬; 安丹丹; 巨江鹏; 陈兵; 成飞; 余涛涛
Original assignee: Shaanxi Energy Institute
Current assignee: Shaanxi Energy Institute
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-06-20
Anticipated expiration: 2042-10-17
Also published as: CN115448499A

Abstract

The invention discloses an underground working surface water sump, which comprises a box body, wherein a filtering mechanism is arranged in the box body, a solid-liquid separation mechanism is arranged above the filtering mechanism, a sedimentation mechanism is arranged above the solid-liquid separation mechanism, a water inlet is arranged between the solid-liquid separation mechanism and the sedimentation mechanism, a water inlet pipe is arranged above the sedimentation mechanism, a dosing box is connected to the water inlet pipe, an opening and closing mechanism is arranged between the water inlet pipe and the dosing box, and a conveying mechanism is arranged in the box body. The underground working surface water bin can automatically run without people, automatically desliming after being started, can be unattended, saves labor cost and has low maintenance cost; the equipment has simple and exquisite design, convenient manufacture, convenient installation and positioning, docking and debugging, convenient movement and capability of switching different on-site sewage treatment; the water-saving type electric energy-saving device has the advantages of no high-power consumption, no need of cleaning a large amount of water resources and running cost saving.

Description

Underground working face water sump

Technical Field

The invention relates to the technical field of underground water bins, in particular to an underground working face water bin.

Background

During the coal mining process, a large amount of coal slime is generated, and the coal slime is transported out of a well by equipment to be settled and separated by arranging a settling pond on the ground. The problems of the prior art are: the existing underground working face of the coal mine is not provided with a device for treating engineering produced coal slime, the coal slime is transported out of the well by using equipment and then is settled and separated, and the coal slime water contains a plurality of pollutants and is discharged into the external environment once being discharged into the external environment, so that certain pollution is caused to surface water and underground water.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides an underground working face water bin, which aims to solve the problems that an underground working face of a coal mine is not provided with a device for treating coal slime generated by engineering, the coal slime is transported out of a well by equipment and then is settled and separated, and once the coal slime water contains a plurality of pollutants, the water is discharged into the external environment, and certain pollution is caused to surface water and underground water.

In order to achieve the aim of the invention, the invention adopts the following technical scheme:

the underground working surface water sump comprises a box body, wherein a filtering mechanism is arranged in the box body, a solid-liquid separation mechanism is arranged above the filtering mechanism, a precipitation mechanism is arranged above the solid-liquid separation mechanism, a water inlet is arranged between the solid-liquid separation mechanism and the precipitation mechanism, a water inlet pipe is arranged above the precipitation mechanism, a dosing box is connected to the water inlet pipe, an opening and closing mechanism is arranged between the water inlet pipe and the dosing box, and a conveying mechanism is arranged in the box body;

the solid-liquid separation mechanism comprises a shell arranged in a box body, a draining hole is formed in the bottom of the shell, a motor base is arranged on the outer side face of the shell, a speed reducer is arranged on the motor base, a spindle motor is arranged on the motor base, an output shaft of the spindle motor is fixedly connected with an output end of the speed reducer, a screw shaft is arranged in the shell, one end of the screw shaft is fixedly connected with the output end of the speed reducer, a movable ring is sleeved on the screw shaft, a fixed ring is fixedly connected on the inner wall of the shell, the movable ring and the fixed ring are arranged in a staggered mode, a mud discharging pipe is arranged at one end of the shell, far away from the motor base, one end of the screw shaft, far away from the speed reducer, is in rotary connection with the mud discharging pipe, one end of the screw shaft, close to the mud discharging pipe, is fixedly connected with a back pressure plate, and one end of the shell, close to the motor base, is communicated with a water inlet.

Further, the pitch of the helical blades on the helical shaft is gradually reduced from the water inlet to the mud discharging pipe.

Further, the opening and closing mechanism comprises a connecting cylinder arranged between the water inlet pipe and the dosing tank, the connecting cylinder is respectively communicated with the dosing tank and the water inlet pipe, a rotating shaft is hinged to the bottom of the connecting cylinder, a baffle is fixedly connected to the rotating shaft, a poking piece is fixedly connected to one side, away from the baffle, of the rotating shaft, a spring is arranged in the connecting cylinder, and two ends of the spring are respectively fixedly connected with the baffle and the connecting cylinder.

Further, the sedimentation mechanism comprises a sedimentation box arranged in the box body, the top of the sedimentation box is communicated with the water inlet pipe, the top of the side face of the sedimentation box is communicated with the water inlet, and a stirring assembly is arranged in the sedimentation box.

Further, the stirring assembly comprises a stirring motor arranged at the top of the settling tank, a stirring shaft is fixedly connected to an output shaft of the stirring motor, one end, away from the stirring motor, of the stirring shaft is rotationally connected with the settling tank, and stirring blades are fixedly connected to the stirring shaft.

Further, it is characterized in that: the conveying mechanism comprises driving rollers arranged between the inner walls of the box body and driven rollers arranged in pairs with the driving rollers, a driving motor is mounted on the box body, an output shaft of the driving motor is fixedly connected with one end of each driving roller, a conveying belt is arranged between each driving roller and each driven roller, and scraping plates distributed in an even array are arranged on the conveying belt.

Further, filtering mechanism is including setting up the filter frame in the box, filter frame inboard bottom is equipped with annular arch, annular arch top is equipped with the support layer, support layer top is equipped with the softening resin layer, the softening resin layer top is equipped with the cotton layer of PP, the cotton layer top of PP is equipped with the quartz sand layer, filter frame lateral surface bottom is equipped with the outlet pipe.

Further, a protection frame is arranged at the top of the box body.

The beneficial effects of the invention are as follows:

1. through the opening and closing mechanism, the water containing the coal slime is input into the settling tank from the water inlet pipe, the stirring sheet is flushed by the water flow, the polymeric flocculant in the dosing tank flows into the water inlet pipe from the dosing tank, the polymeric flocculant and the water containing the coal slime enter into the settling tank, the opening and closing size of the baffle plate is adjusted according to the speed of the water flow, and the flow of the polymeric flocculant is automatically controlled;

2. through the setting precipitation mechanism, the polymeric flocculant and the water containing the coal slime enter a precipitation tank and then are fully stirred and mixed by a stirring assembly, so that impurities in the water containing the coal slime form alum flowers;

3. through the solid-liquid separation mechanism, the precipitated sewage enters the shell from the water inlet, flows out from the gap between the water fixing ring and the movable ring, then flows into the filtering mechanism from the draining hole, the movable ring rotates along with the screw shaft, the movable ring and the fixing ring relatively move, the self-cleaning purpose can be achieved, the blockage is prevented, alum flowers in the water are extruded by the screw shaft to form mud cakes, the water content in the mud cakes is little, the mud cakes are discharged from the mud discharging pipe, and the mud cakes fall onto the conveying mechanism;

4. through the arranged conveying mechanism, the mud cakes fall on the conveying belt, and the conveying belt conveys the mud cakes to the outer side of the box body, so that the mud cakes can be conveniently collected and transferred by staff;

5. through the filtering mechanism that sets up, the rivers that extrude from solid-liquid separation mechanism filter the basket, through quartz sand layer filtration, can filter out big footpath impurity, like suspended solid, can't form the lump of alum flower etc. through the cotton layer filtration of PP, can filter out little footpath sand grain, sulfide etc. small diameter pollutant, but contain a large amount of chemicals, salinity etc. and chemicals, salinity etc. exist in the form of ion in water, after adopting the soft resin layer to adsorb these ions, sewage's chemicals, salinity etc. are adsorbed by a large amount, the water after the filtration is discharged from the outlet pipe, can be used as the process water in the pit, the cost is saved, reduce water waste, avoid environmental pollution simultaneously.

6. Through the protection frame that sets up, use the protection frame to cover above the box, do not hinder the normal operation and the transportation of staff and machinery.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;

fig. 3 is an enlarged schematic view of the structure of fig. 1B according to the present invention.

Reference numeral control table:

1. a case; 2. a filtering mechanism; 201. a filter frame; 202. an annular protrusion; 203. a support layer; 204. softening the resin layer; 205. a PP cotton layer; 206. a quartz sand layer; 207. a water outlet pipe; 3. a solid-liquid separation mechanism; 301. a housing; 302. a draining hole; 303. a motor base; 304. a speed reducer; 305. a spindle motor; 306. a screw shaft; 307. a movable ring; 308. a fixing ring; 309. a mud pipe; 310. a back pressure plate; 4. a precipitation mechanism; 401. a sedimentation tank; 402. a stirring assembly; 4021. a stirring motor; 4022. a stirring shaft; 4023. stirring blades; 5. a water inlet; 6. a water inlet pipe; 7. a dosing box; 8. an opening and closing mechanism; 801. a connecting cylinder; 802. a rotation shaft; 803. a baffle; 804. a pulling piece; 805. a spring; 9. a conveying mechanism; 901. a drive roller; 902. a driven roller; 903. a driving motor; 904. a conveyor belt; 905. a scraper; 10. and a protective frame.

Detailed Description

Specific embodiments of the present invention will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 3, an underground working surface water sump comprises a box body 1, a protecting frame 10 is arranged at the top of the box body 1, the protecting frame 10 is used for covering the box body by the arranged protecting frame 10, normal operation and transportation of workers and machines are not hindered, a filtering mechanism 2 is arranged in the box body 1, a solid-liquid separation mechanism 3 is arranged above the filtering mechanism 2, a precipitation mechanism 4 is arranged above the solid-liquid separation mechanism 3, a water inlet 5 is arranged between the solid-liquid separation mechanism 3 and the precipitation mechanism 4, a water inlet pipe 6 is arranged above the precipitation mechanism 4, a medicine adding box 7 is connected to the water inlet pipe 6, an opening and closing mechanism 8 is arranged between the water inlet pipe 6 and the medicine adding box 7, and a conveying mechanism 9 is arranged in the box body 1.

The opening and closing mechanism 8 comprises a connecting cylinder 801 arranged between the water inlet pipe 6 and the dosing tank 7, the connecting cylinder 801 is respectively communicated with the dosing tank 7 and the water inlet pipe 6, a rotating shaft 802 is hinged to the bottom of the connecting cylinder 801, a baffle 803 is fixedly connected to the rotating shaft 802, a shifting plate 804 is fixedly connected to one side, away from the baffle 803, of the rotating shaft 802, a spring 805 is arranged in the connecting cylinder 801, and two ends of the spring 805 are respectively fixedly connected with the baffle 803 and the connecting cylinder 801.

The assembled water bin is placed in the well excavated pit, then water containing coal slime is introduced into the water bin and then starts to run, through the opening and closing mechanism 8, the water containing coal slime is input into the sedimentation tank 401 from the water inlet pipe 6, the stirring sheet 804 is flushed by water flow, the baffle 803 is opened, the polymeric flocculant in the dosing tank 7 flows into the water inlet pipe 6 from the dosing tank 7, the polymeric flocculant and the water containing coal slime enter the sedimentation tank 401, and the opening and closing sizes of the baffle 803 can be adjusted according to the speed of water flow, so that the flow of the polymeric flocculant is automatically controlled.

The sedimentation mechanism 4 comprises a sedimentation tank 401 arranged in the tank body 1, the top of the sedimentation tank 401 is communicated with the water inlet pipe 6, the top of the side surface of the sedimentation tank 401 is communicated with the water inlet 5, and a stirring assembly 402 is arranged in the sedimentation tank 401.

The stirring assembly 402 comprises a stirring motor 4021 arranged at the top of the sedimentation tank 401, a stirring shaft 4022 is fixedly connected to an output shaft of the stirring motor 4021, one end, far away from the stirring motor 4021, of the stirring shaft 4022 is rotatably connected with the sedimentation tank 401, and a stirring blade 4023 is fixedly connected to the stirring shaft 4022.

Through the precipitation mechanism 4 that sets up, after polymer flocculant and the water that contains the coal slime got into the precipitation tank, start agitator motor 4021, agitator motor 4021 drives the (mixing) shaft 4022 rotatory, and agitator shaft 4022 drives stirring vane 4023 rotatory, and stirring vane 4023 fully stirs polymer flocculant and the water that contains the coal slime and mixes, makes the impurity in the water that contains the coal slime form the alum blossom.

The solid-liquid separation mechanism 3 comprises a shell 301 arranged in the box body 1, a draining hole 302 is formed in the bottom of the shell 301, a motor seat 303 is arranged on the outer side face of the shell 301, a speed reducer 304 is installed on the motor seat 303, a spindle motor 305 is installed on the motor seat 303, an output shaft of the spindle motor 305 is fixedly connected with the output end of the speed reducer 304, a screw shaft 306 is arranged in the shell 301, the pitch of a screw blade on the screw shaft 306 is gradually reduced from a water inlet 5 to a mud discharging pipe 309, one end of the screw shaft 306 is fixedly connected with the output end of the speed reducer 304, a movable ring 307 is sleeved on the screw shaft 306, a fixed ring 308 is fixedly connected to the inner wall of the shell 301, the movable ring 307 and the fixed ring 308 are arranged in a staggered mode, a mud discharging pipe 309 is arranged at one end of the shell 301 away from the motor seat 303, one end of the screw shaft 306 away from the speed reducer 304 is rotationally connected with the mud discharging pipe 309, one end of the screw shaft 306 close to the mud discharging pipe 309 is fixedly connected with a back pressure plate 310, and one end of the shell 301 close to the motor seat is communicated with the water inlet 5.

Through the solid-liquid separation mechanism 3 that sets up, sewage after the sediment gets into casing 301 from water inlet 5, start spindle motor 305, spindle motor 305 drives the speed reducer 304 and rotates, the speed reducer 304 drives screw axis 306 and rotates, the alum in the sewage is extruded dehydration to screw axis 306, because the compression of back clamp plate 310 has increased the internal pressure of casing 301, the alum is extruded into the mud cake, the water content in the mud cake is few, discharge from the mud pipe 309, drop on conveying mechanism 9, a large amount of filtrates and the water that is extruded flow out from the clearance between solid ring 308 and the movable ring 307, then flow into filtering mechanism 2 from the waterlogging caused by excessive rainfall hole 302, movable ring 307 rotates along with screw axis 306, movable ring 307 and solid ring 308 relative motion, can reach self-cleaning's purpose, prevent the jam.

The conveying mechanism 9 comprises a driving roller 901 and a driven roller 902, wherein the driving roller 901 is arranged between the inner walls of the box body 1, the driven roller 902 is arranged in pairs with the driving roller 901, a driving motor 903 is arranged on the box body 1, an output shaft of the driving motor 903 is fixedly connected with one end of the driving roller 901, a conveying belt 904 is arranged between the driving roller 901 and the driven roller 902, and scraping plates 905 which are uniformly distributed in an array are arranged on the conveying belt 904.

Through the conveying mechanism 9 who sets up, the mud cake drops on conveyor belt 904, starts driving motor 903, and driving motor 903 drives conveyor belt 904 motion, and conveyor belt 904 carries the mud cake to the box 1 outside, makes things convenient for the staff to collect, shift the mud cake.

The filtering mechanism 2 comprises a filtering frame 201 arranged in the box body 1, an annular protrusion 202 is arranged at the bottom of the inner side of the filtering frame 201, a supporting layer 203 is arranged above the annular protrusion 202, a softening resin layer 204 is arranged above the supporting layer 203, a PP cotton layer 205 is arranged above the softening resin layer 204, a quartz sand layer 206 is arranged above the PP cotton layer 205, and a water outlet pipe 207 is arranged at the bottom of the outer side face of the filtering frame 201.

Through the filter mechanism 2, the water extruded from the solid-liquid separation mechanism 3 flows into the filter frame 201, is filtered through the quartz sand layer 206, can filter out large-diameter impurities such as suspended matters, lumps which cannot form alum flowers and the like, is filtered through the PP cotton layer 205, and can filter out small-diameter sand grains, sulfides and other small-diameter pollutants, but contains a large amount of chemical substances, salts and the like, the chemical substances, the salts and the like exist in the water in the form of ions, the chemical substances, the salts and the like of sewage are adsorbed in a large amount after being adsorbed by the softening resin layer 204, and the filtered water is discharged from the water outlet pipe 207 and can be used as underground production water, so that the cost is saved, the waste of water resources is reduced, and the environmental pollution is avoided.

The underground working surface water bin can automatically run without people, automatically desliming after being started, can be unattended, saves labor cost and has low maintenance cost; the equipment has simple and exquisite design, convenient manufacture, convenient installation and positioning, docking and debugging, convenient movement and capability of switching different on-site sewage treatment; the water-saving type electric energy-saving device has the advantages of no high-power consumption, no need of cleaning a large amount of water resources and running cost saving.

The above description is illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, but is to be accorded the full scope of the claims.

Claims

1. The utility model provides a working face sump in pit, its characterized in that, includes box (1), be equipped with filtering mechanism (2) in box (1), filtering mechanism (2) top is equipped with solid-liquid separation mechanism (3), solid-liquid separation mechanism (3) top is equipped with precipitation mechanism (4), be equipped with water inlet (5) between solid-liquid separation mechanism (3) and precipitation mechanism (4), precipitation mechanism (4) top is equipped with inlet tube (6), be connected with on inlet tube (6) and add medical kit (7), be equipped with closing mechanism (8) between inlet tube (6) and the medical kit (7), be equipped with conveying mechanism (9) in box (1);

the solid-liquid separation mechanism (3) comprises a shell (301) arranged in a box body (1), a draining hole (302) is formed in the bottom of the shell (301), a motor seat (303) is arranged on the outer side surface of the shell (301), a speed reducer (304) is arranged on the motor seat (303), a spindle motor (305) is arranged on the motor seat (303), an output shaft of the spindle motor (305) is fixedly connected with the output end of the speed reducer (304), a spiral shaft (306) is arranged in the shell (301), one end of the spiral shaft (306) is fixedly connected with the output end of the speed reducer (304), a movable ring (307) is sleeved on the spiral shaft (306), a fixed ring (308) is fixedly connected to the inner wall of the shell (301), the movable ring (307) and the fixed ring (308) are arranged in a staggered mode, one end, far away from the motor seat (303), of the spiral shaft (306) is fixedly connected with the output end of the speed reducer (304), of the spiral shaft (306) in a rotating mode, is fixedly connected with the output end of the speed reducer (309), close to the motor seat (301), and is fixedly connected with one end, close to the back pressure plate (310), of the spiral shaft (306), and is fixedly connected with the back pressure plate (310);

the opening and closing mechanism (8) comprises a connecting cylinder (801) arranged between the water inlet pipe (6) and the dosing tank (7), the connecting cylinder (801) is respectively communicated with the dosing tank (7) and the water inlet pipe (6), a rotating shaft (802) is hinged to the bottom of the connecting cylinder (801), a baffle plate (803) is fixedly connected to the rotating shaft (802), a poking piece (804) is fixedly connected to one side, far away from the baffle plate (803), of the rotating shaft (802), a spring (805) is arranged in the connecting cylinder (801), and two ends of the spring (805) are respectively fixedly connected with the baffle plate (803) and the connecting cylinder (801);

the sedimentation mechanism (4) comprises a sedimentation box (401) arranged in the box body (1), the top of the sedimentation box (401) is communicated with the water inlet pipe (6), the top of the side surface of the sedimentation box (401) is communicated with the water inlet (5), and a stirring assembly (402) is arranged in the sedimentation box (401);

the filter mechanism (2) comprises a filter frame (201) arranged in a box body (1), an annular bulge (202) is arranged at the bottom of the inner side of the filter frame (201), a supporting layer (203) is arranged above the annular bulge (202), a softening resin layer (204) is arranged above the supporting layer (203), a PP cotton layer (205) is arranged above the softening resin layer (204), a quartz sand layer (206) is arranged above the PP cotton layer (205), and a water outlet pipe (207) is arranged at the bottom of the outer side face of the filter frame (201).

2. A downhole face water sump according to claim 1, wherein: the pitch of the helical blades on the helical shaft (306) is gradually reduced from the water inlet (5) to the mud discharging pipe (309).

3. A downhole face water sump according to claim 1, wherein: stirring subassembly (402) are including installing agitator motor (4021) at the setting tank (401) top, fixedly connected with (4022) on the output shaft of agitator motor (4021), one end and setting tank (401) swivelling joint that agitator motor (4021) were kept away from to (4022), fixedly connected with stirring vane (4023) on (4022).

4. A downhole face water sump according to claim 1, wherein: the conveying mechanism (9) comprises driving rollers (901) arranged between the inner walls of the box body (1) and driven rollers (902) arranged in pairs with the driving rollers (901), a driving motor (903) is arranged on the box body (1), an output shaft of the driving motor (903) is fixedly connected with one end of the driving rollers (901), a conveying belt (904) is arranged between the driving rollers (901) and the driven rollers (902), and scraping plates (905) distributed in a uniform array are arranged on the conveying belt (904).

5. A downhole face water sump according to claim 4, wherein: the top of the box body (1) is provided with a protection frame (10).