CN215505653U

CN215505653U - Special water filter for underground coal mine emulsion station

Info

Publication number: CN215505653U
Application number: CN202121073784.2U
Authority: CN
Inventors: 王俭
Original assignee: Liaoning Liansheng Machinery Manufacturing Co ltd
Current assignee: Liaoning Liansheng Machinery Manufacturing Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2022-01-14
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a special water filter for an underground coal mine emulsion station, which comprises a horizontal high-pressure tank body, wherein two circular perforated plates which are fixed perpendicular to the axis of the tank body are arranged in the tank body, the two perforated plates divide the interior of the tank body into a water inlet cavity, a filter cavity and a water outlet cavity along the axis direction, the inner sides of the perforated plates at two ends of the filter cavity are respectively covered with a circular sieve plate, filter cotton is filled between the two sieve plates, a filter cotton filling manhole is arranged on the wall of the tank body of the filter cavity, a water inlet is arranged on a head of the water inlet cavity, a water inlet pipe is connected with the water inlet, an explosion-proof electric butterfly valve, a water inlet pressure reducing valve and a water inlet ball valve are sequentially connected onto the water inlet pipe, a water outlet is arranged on the head of the water outlet cavity, a water outlet pipe is connected with a water outlet pipe, and a water outlet ball valve and a water outlet pressure reducing valve are sequentially connected onto the water outlet pipe. The water filter has high working pressure and large water treatment capacity, meets the requirement of a large amount of water for an emulsion station, and has the advantages of compact structure, small volume, convenient movement and transportation and the like.

Description

Special water filter for underground coal mine emulsion station

Technical Field

The utility model relates to water filtering equipment, in particular to a high-pressure water filter for roughly filtering water for an emulsion station under a coal mine.

Background

The colliery is mining in pit and need set up the emulsion station and provide the emulsion for hydraulic equipment such as shield support, monomer hydraulic support, in order to guarantee that these hydraulic equipment can normally work, the life of extension pneumatic cylinder and piston, need carry out filtration treatment to the emulsion water. When an underground common fully-mechanized mining hydraulic system normally works, a water filter of 30-50 cubic meters per hour is required to be matched with an emulsion station, a special water filter specially used for the underground emulsion station is not available in the prior art, and when an underground common normal-pressure water filtering device is matched with the emulsion station, the device is large in size and thick in pipeline diameter for ensuring that the water supply amount is large, the device is not beneficial to being arranged and used in a narrow space underground, and the device is difficult to transport and transfer under the well.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is: the special water filter for the underground coal mine emulsion station is high in working pressure and large in water treatment capacity, meets the requirement of a large amount of water for the emulsion station, and has the advantages of compact structure, small size, convenience in moving and transportation and the like.

The technical scheme for solving the technical problem is as follows: the utility model provides a special water filter in colliery underground emulsion station, including horizontal high-pressure tank body, the jar body comprises circular barrel and two head combinations, be equipped with two fixed circular perforated plates of perpendicular to barrel axis in the barrel, two perforated plates separate into intake antrums, filter chamber and play water cavity with jar internal portion along the axis direction, the perforated plate inboard at filter chamber both ends respectively covers and has a circular sieve, it has filtering cotton to fill between two sieves, be equipped with filtering cotton on the barrel wall of filter chamber and load the manhole, be equipped with the water inlet on the head of intake antrum, water inlet pipe has been connect the inlet tube, connect explosion-proof electric butterfly valve in order on the inlet tube, intake relief pressure valve and intake ball valve, be equipped with the delivery port on the head of play water cavity, connect the outlet pipe at the delivery port, connect play water ball valve, play water relief pressure valve in order on the outlet pipe.

As a further improvement of the utility model: a safety valve is connected on the water inlet pipe between the water inlet ball valve and the water inlet pressure reducing valve.

As a further improvement of the utility model: a back flushing pipe is arranged outside the horizontal high-pressure tank body, one end of the back flushing pipe is communicated with the water outlet cavity, the other end of the back flushing pipe is communicated with a water inlet pipe between the water inlet ball valve and the water inlet pressure reducing valve, and the back flushing pipe is provided with a back flushing ball valve.

As a further improvement of the utility model: the bottom of the cylinder body of the water inlet cavity is connected with a drain pipe, and a drain ball valve is arranged on the drain pipe.

As a further improvement of the utility model: the circular cylinder body of the horizontal high-pressure tank body is connected with the two seal heads through flanges and bolts.

As a further improvement of the utility model: a metal flexible connecting pipe is arranged on the water inlet pipe between the water inlet pressure reducing valve and the water inlet ball valve.

As a further improvement of the utility model: the water inlet ball valve, the water outlet ball valve and the backflushing ball valve are all mining spherical stop valves.

As a further improvement of the utility model: the special water filter for the underground coal mine emulsion station further comprises a shield frame, a shield top plate is arranged at the top of the shield frame, an equipment mounting bottom plate is arranged at the bottom of the shield frame, the tank body is fixed on the equipment mounting bottom plate, and the water inlet pipe, the water outlet pipe, the back flushing pipe and the valves are all arranged in the shield frame between the shield top plate and the equipment mounting bottom plate.

Has the advantages that: the special water filter for the underground coal mine emulsion station has the technical characteristics that the horizontal high-pressure tank body is used as the main body of the filter, the pressure reducing valves are arranged on the water inlet pipe and the water return pipe, and the like, so that the special water filter for the underground coal mine emulsion station has the characteristics of high working pressure and high water treatment capacity, meets the requirement of a large amount of water for the emulsion station, has the advantages of small volume, compact structure, convenience in moving and transportation and the like compared with common normal-pressure water filtering equipment used on a well, and is favorable for being used in a narrow space underground. The water inlet pipe of the special water filter for the underground coal mine emulsion station can be directly connected with an aboveground water source, and the water pressure formed by the height difference of the aboveground water can be used for filtering, so that special pressurizing equipment is omitted. The technical characteristics that the backflushing ball valve is arranged on the backflushing pipe, so that the filter can be conveniently subjected to manual backflushing cleaning, and the replacement period of the filtering sponge is prolonged. Because the technical characteristics that the bottom of the cylinder body of the water inlet cavity is connected with the drain pipe and the drain ball valve is arranged on the drain pipe are adopted, the impurities which are back-flushed can be conveniently discharged out of the tank body, and the replacement period of the filtering sponge is further prolonged. Due to the adoption of the technical scheme that the circular cylinder body of the horizontal high-pressure tank body is connected with the two seal heads through the flange and the bolt, the horizontal high-pressure tank body can be conveniently disassembled and carried in the underground transportation process, so that the transportation and the transfer of equipment are more convenient, and the labor intensity of workers is reduced. Due to the technical characteristic that the metal flexible connecting pipe is arranged on the water inlet pipe between the water inlet pressure reducing valve and the water inlet ball valve, the transmission of vibration between the tank body and the water inlet pipe can be effectively isolated, the pipeline or the tank body is prevented from being damaged due to long-term vibration, and the service life of the equipment is further prolonged. The water inlet ball valve, the water outlet ball valve and the backflushing ball valve are all technical characteristics of a mining spherical stop valve, so that the installation and maintenance of equipment are more convenient, and the safety is better. Because adopted special water filter of emulsion station in pit in colliery still includes the shield frame, is equipped with the shield roof at the top of shield frame, is equipped with the equipment fixing bottom plate in the bottom of shield frame, the jar body is fixed on the equipment fixing bottom plate, and inlet tube, outlet pipe, recoil pipe and each valve equipartition are put at the shield frame in between shield roof and the equipment fixing bottom plate and are covered the technical characterstic, can effectively prevent that the roof from falling or mechanical collision from causing the damage to equipment, have improved the safety protection ability of equipment, simultaneously, make equipment can carry out the bulk transfer in the working face or the big lane that have the hoist and mount condition, and the operation is more convenient.

Drawings

The water filter special for the underground coal mine emulsion station is further described in detail with reference to the attached drawings.

FIG. 1 is a schematic diagram of the overall structure of a special water filter for an emulsion station in a coal mine well according to the utility model;

FIG. 2 is a top view of the special water filter for the emulsion station in the coal mine with the shield frame removed;

FIG. 3 is an axial sectional view of a horizontal high-pressure tank in the special water filter for the underground emulsion station of the coal mine according to the utility model;

FIG. 4 is a schematic structural diagram of a circular sieve plate part in the special water filter for the underground coal mine emulsion station.

Detailed Description

Referring to fig. 1, the special water filter for the underground coal mine emulsion station comprises a cuboid steel shield frame 2, a shield top plate 1 is arranged at the top of the shield frame, an equipment mounting bottom plate is arranged at the bottom of the shield frame, a stainless steel horizontal high-pressure tank body 3 is fixed on the equipment mounting bottom plate, the tank body is formed by combining a circular cylinder 10 and two end sockets 8, and the circular cylinder and the two end sockets of the horizontal high-pressure tank body are preferably connected through flanges and bolts. As shown in fig. 3 and 4, two circular perforated plates 17 which are perpendicular to the axis of the cylinder and fixed are arranged in the cylinder, the diameter of each circular perforated plate is 1-10 mm smaller than the inner diameter of the cylinder, the circular perforated plates are fixed in the cylinder in a welding mode, through holes 19 with the diameter of 40mm are uniformly distributed on the circular perforated plates, the sum of the areas of the through holes is not smaller than 70% of the inner diameter of the cylinder, the two perforated plates divide the inside of the cylinder into a water inlet cavity 18, a filter cavity 16 and a water outlet cavity 15 along the axis direction, circular sieve plates 20 with the diameter equal to that of the circular perforated plates are respectively coated on the inner sides of the perforated plates at the two ends of the filter cavity, sieve holes with the diameter of 5mm are uniformly distributed on the circular sieve plates, filter balls (the filter precision is 100 μm) are filled between the two sieve plates, and a filter cotton filling manhole is arranged on the wall of the filter cavity. As shown in fig. 2, a water inlet is arranged on a seal head of the water inlet cavity, a water inlet pipe is connected to the water inlet, an explosion-proof electric butterfly valve 9, a water inlet pressure reducing valve 14 and a water inlet ball valve 11 are sequentially connected to the water inlet pipe according to the water flowing direction, a water outlet is arranged on the seal head of the water outlet cavity, a water outlet pipe is connected to the water outlet, a water outlet ball valve 7 and a water outlet pressure reducing valve 6 are sequentially connected to the water outlet pipe, a recoil pipe 4 is further arranged outside the horizontal high-pressure tank body, one end of the recoil pipe is communicated with the water outlet cavity, the other end of the recoil pipe is communicated with the water inlet pipe between the water inlet ball valve and the water inlet pressure reducing valve, a recoil ball valve 12 is arranged on the recoil pipe, a drain pipe 5 is connected to the bottom of the cylinder body of the water inlet cavity, and a drain ball valve is arranged on the drain pipe. Preferably, a safety valve 13 is connected to the water inlet pipe between the water inlet ball valve and the water inlet pressure reducing valve, and a metal flexible connecting pipe 21 capable of blocking shock conduction is arranged on the water inlet pipe between the water inlet pressure reducing valve and the water inlet ball valve.

The water inlet ball valve, the water outlet ball valve and the backflushing ball valve are preferably mining spherical stop valves with quick clamp connectors.

The water inlet pipe, the water outlet pipe, the backflushing pipe and the valves are all arranged in the shield framework between the shield top plate and the equipment installation bottom plate.

The water inlet pipe of the special water filter for the underground coal mine emulsion station can receive raw water of 6Mpa, the water outlet pipe outputs filtered water of 0.6Mpa, the mining stainless steel pipe with DN100 caliber is used as the water inlet pipe and the water outlet pipe, 50t/h of filtered water can be provided for the emulsion station, the whole size of the equipment is not more than 200 mm multiplied by 1000 mm multiplied by 1500mm, and the operation requirement of underground narrow space can be met.

Claims

1. The utility model provides a special water filter in colliery underground emulsion station, includes horizontal high-pressure tank body, the jar body comprises circular barrel and two head combinations, characterized by: the cylindrical shell is internally provided with two circular perforated plates which are fixed perpendicular to the axis of the cylindrical shell, the two perforated plates divide the interior of the cylindrical shell into a water inlet cavity, a filter cavity and a water outlet cavity along the axis direction, the inner sides of the perforated plates at the two ends of the filter cavity are respectively covered with a circular sieve plate, filtering cotton is filled between the two sieve plates, a filtering cotton filling manhole is arranged on the cylindrical shell wall of the filter cavity, a water inlet is arranged on a seal head of the water inlet cavity, a water inlet pipe is connected to the water inlet, an explosion-proof electric butterfly valve, a water inlet pressure reducing valve and a water inlet ball valve are sequentially connected to the water inlet pipe, a water outlet is arranged on the seal head of the water outlet cavity, a water outlet ball valve and a water outlet pressure reducing valve are sequentially connected to the water outlet pipe.

2. The special water filter for the underground coal mine emulsion station as claimed in claim 1, which is characterized in that: a safety valve is connected on the water inlet pipe between the water inlet ball valve and the water inlet pressure reducing valve.

3. The special water filter for the underground coal mine emulsion station as claimed in claim 2, which is characterized in that: a back flushing pipe is arranged outside the horizontal high-pressure tank body, one end of the back flushing pipe is communicated with the water outlet cavity, the other end of the back flushing pipe is communicated with a water inlet pipe between the water inlet ball valve and the water inlet pressure reducing valve, and the back flushing pipe is provided with a back flushing ball valve.

4. The special water filter for the underground coal mine emulsion station as claimed in claim 3, which is characterized in that: the bottom of the cylinder body of the water inlet cavity is connected with a drain pipe, and a drain ball valve is arranged on the drain pipe.

5. The special water filter for the underground coal mine emulsion station as claimed in claim 4, wherein the special water filter comprises: the circular cylinder body of the horizontal high-pressure tank body is connected with the two seal heads through flanges and bolts.

6. The special water filter for the underground coal mine emulsion station as claimed in claim 5, which is characterized in that: a metal flexible connecting pipe is arranged on the water inlet pipe between the water inlet pressure reducing valve and the water inlet ball valve.

7. The special water filter for the underground coal mine emulsion station as claimed in any one of claims 1 to 6, which is characterized in that: the water inlet ball valve, the water outlet ball valve and the backflushing ball valve are all mining spherical stop valves.

8. The special water filter for the underground coal mine emulsion station as claimed in claim 7, wherein the special water filter comprises: the special water filter for the underground coal mine emulsion station further comprises a shield frame, a shield top plate is arranged at the top of the shield frame, an equipment mounting bottom plate is arranged at the bottom of the shield frame, the tank body is fixed on the equipment mounting bottom plate, and the water inlet pipe, the water outlet pipe, the back flushing pipe and the valves are all arranged in the shield frame between the shield top plate and the equipment mounting bottom plate.