CN210543661U

CN210543661U - Automatic back-flushing filtering device for mine water

Info

Publication number: CN210543661U
Application number: CN201921241130.9U
Authority: CN
Inventors: 孙悦
Original assignee: Jiangsu Jianzhu Institute
Current assignee: Jiangsu Jianzhu Institute
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-05-19
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses an automatic back flush filter equipment that mine water was used, including inlet and feed liquor pipe, two passageways are divided from the inlet to the feed liquor pipe, the end-to-end connection of passageway has the pressure valve, the feed liquor pipe runs through and is equipped with the connecting pipe, every the connecting pipe top all is connected with the rose box, the rose box is connected with the drain pipe, the drain pipe intercommunication sets up and is connected with the solenoid valve, be equipped with in the rose box and arouse the structure. The utility model discloses realize automatic back flush filtering operation under excitation device's effect to use the pressure valve to replace traditional blowoff valve, when the solenoid valve opened the drain pipe, because pressure is limited, be not enough to open the pressure valve, water normally carries out filtering operation, and when the solenoid valve was closed, the water pressure grow of pressure valve flowed through, then the pressure valve was opened this moment, filter the back flush impurity discharge that comes down, controlled the closing and opening of discharge passage, realized automatic back flush better and filtered.

Description

Automatic back-flushing filtering device for mine water

Technical Field

The utility model relates to a mine water resource utilization technical field especially relates to an automatic back flush filter equipment that mine water was used.

Background

Essentially, mine water is underground water in coal seams and roadways in mining areas, and sometimes penetrates into parts due to surface fracturesThe quality of surface water and coal mine water is influenced by hydrogeological conditions, hydrodynamics, geochemistry, geological structure conditions of ore deposit and mining conditions, and according to the statistics in 2005, the discharge amount of mine water is about 42 hundred million m³The utilization rate is only 26%, and the mine water discharge amount is expected to reach 60 hundred million m along with the increase of the coal mining amount³. Practice shows that resource utilization of mine water becomes a necessary choice for sustainable development of coal mine enterprises.

And a backwashing filter device is added in the mine water utilization system, dust or solid impurities accumulated on the outer side of the filter screen are backwashed cleanly, so that the elements of the hydraulic system can be ensured to run in a clean system environment, and the reliability and the safety of the mine water utilization are improved.

And to the back flush filter equipment among the prior art, need adopt hydraulic system to carry out real time control, the control means is comparatively complicated, generally need just can realize the filterable operation of back flush through three valve, and very trouble is unable to know the dust accumulation volume on the filter screen simultaneously, can not master the accurate opportunity of back flush filtration operation, based on this, the utility model relates to an automatic back flush filter equipment of mine water usefulness.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an automatic backwashing filter device for mine water.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an automatic back flush filter equipment that pit water was used, includes inlet and feed liquor pipe, two passageways are divided from the inlet to the feed liquor pipe, every the equal sealing connection in end of passageway has a pressure valve, the one end lateral wall that every passageway of feed liquor pipe is close to the pressure valve runs through and is equipped with the connecting pipe, every the connecting pipe top all is connected with the rose box, every the rose box is connected with the drain pipe, two the drain pipe intercommunication sets up and is being connected with the solenoid valve jointly in the one end of keeping away from the rose box, be equipped with the excitation structure that excitation device carries out the anti-automatic washing and filtering in the rose box.

Preferably, a filter screen is arranged in the filter box, the filter screen is of an annular shell structure, the filter screen divides the interior of the filter box into an inner space and an outer space which are relatively independent, the space in the filter screen is set as a post-filter area, the space outside the filter screen is set as a to-be-filtered area, and the connecting pipe is communicated with the to-be-filtered area.

Preferably, excitation device includes the electromagnetic plate, electromagnetic plate fixed connection is in the bottom in straining the back district, and the electromagnetic plate top is equipped with annular hoop, hoop centre of rotation has the connecting rod through the round pin hub welding, the connecting rod runs through the top of rose box, the inner wall sealing connection of connecting rod and rose box, the one end of connecting rod outside the rose box is connected with the piston box, the welding of piston box is in a right angle bottom of feed liquor pipe.

Preferably, sealing sliding connection has the piston in the piston box, the piston runs through the inner wall of piston box and feed liquor pipe simultaneously, the piston is closely laminated with the vertical section inner wall of feed liquor pipe right angle portion in the intraductal one end of feed liquor.

Preferably, the top of the area to be filtered is provided with an annular wiring ring, the wiring ring is welded on the outer wall of the filter screen and the inner wall of the filter box at the same time, a wire is arranged in the wiring ring, the wire is electrically connected with the outer wall of the filter screen at one end of the filter screen, and the wire is communicated with external power-on equipment at one end of the filter box.

Preferably, the electromagnetic plate is electrically connected with the inner wall of the filter screen, the top of the electromagnetic plate is glued with a spring, and the other end of the spring is welded at the bottom of the iron ring.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses set up excitation device, because in the filtering process of mine water, water gets into the back district of straining and flows through the drain pipe from waiting to strain the filter effect of district through the filter screen, the solid after straining at this in-process generally attaches to the outside of filter screen, and form thick one deck solid attachment, the conducting ring of being connected with filter screen outside electricity this moment will make the unable circular telegram of electromagnetic plate take magnetism because the solid attachment is unable electrically conductive, and make the iron ring shift up make the sealed one side feed liquor pipe of piston under spring and buoyancy, the water of opposite side carries out the back flush operation to this filter screen and has realized that the filter screen is automatic control back flush filtration operation under the accumulational state.

2. Use the pressure valve to replace traditional blowoff valve, in prior art, only open when the blowoff valve, just can realize anti-automatic flushing operation, and right the utility model discloses an, when the solenoid valve opens the drain pipe, because the liquid that flows through is limited to the pressure of pressure valve in the feed liquor pipe, be not enough to open the pressure valve for water normally filters the operation, and when the solenoid valve was closed, because the sealed feed liquor pipe of piston makes the water pressure grow of pressure valve of flowing through this moment, and be enough to open the valve of pressure valve, then the pressure valve is opened this moment, and filter the back flush impurity discharge down with the back flush, realized automatic back flush filtration operation.

Drawings

FIG. 1 is a schematic diagram of the back-washing and filtering process in the automatic back-washing and filtering device for mine water according to the present invention;

FIG. 2 is an enlarged schematic view of part A of an automatic backwashing filter device for mine water according to the present invention;

fig. 3 is a schematic diagram of a normal filtering process in the automatic back-flushing filtering device for mine water provided by the utility model.

In the figure: liquid inlet 1, liquid inlet pipe 2, connecting pipe 3, filter box 4, filter screen 5, pressure valve 6, electromagnetic plate 7, iron ring 8, liquid outlet pipe 9, electromagnetic valve 10, connecting rod 11, piston box 12, piston 13, connecting ring 14, spring 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples

Referring to fig. 1-3, an automatic back-flushing filtering device for mine water comprises a liquid inlet 1 and a liquid inlet pipe 2, wherein the liquid inlet pipe 2 is divided into two passages from the outside of the liquid inlet 1, the tail end of each passage is hermetically connected with a pressure valve 6, a connecting pipe 3 penetrates through the side wall of one end, close to the pressure valve 6, of each passage of the liquid inlet pipe 2, the top of each connecting pipe 3 is connected with a filter box 4, each filter box 4 is connected with a liquid outlet pipe 9, the two liquid outlet pipes 9 are communicated and arranged and are connected with an electromagnetic valve 10 at one end far away from the filter box 4, and an excitation structure for carrying out back-automatic flushing filtering by an excitation device is arranged in the filter box 4.

Be equipped with filter screen 5 in rose box 4, filter screen 5 is annular shell structure, filter screen 5 falls into inside and outside two relatively independent spaces of filter box, the space that is located filter screen 5 is established to straining the back district, the space that is located filter screen 5 is established to treating the filtration district, connecting pipe 3 with treat the filtration district intercommunication, will treat filterable water and let in treating the filtration district through connecting pipe 3, and filter under filter screen 5, make the water after straining get into straining the back district and discharge through the drain pipe, play normal filterable operation.

Excitation device includes

electromagnetic plate

7, 7 fixed connection of electromagnetic plate are in the bottom in straining the back district, 7 tops of electromagnetic plate are equipped with annular hoop 8, the hoop can be attracted by electrified

electromagnetic plate

7, 8 centre of gyration of hoop have connecting rod 11 through the round pin axle welding, connecting rod 11 runs through the top of rose box 4, connecting rod 11 and rose box 4's inner wall sealing connection, connecting rod 11 is connected with piston box 12 in the outer one end of

rose box

4, 12 welding of piston box are in a right angle bottom of feed liquor pipe 2.

A piston 13 is connected in a sealing and sliding manner in the piston box 12, the piston 13 penetrates through the piston box 12 and the inner wall of the liquid inlet pipe 2 at the same time, one end of the piston 13 in the liquid inlet pipe 2 is tightly attached to the inner wall of the vertical section of the right-angled part of the liquid inlet pipe 2, when the piston 13 is positioned in the piston box 12, the piston 13 cannot seal the liquid inlet pipe 2 at the moment, normal filtering operation is executed at the moment, when the piston 13 almost completely enters the liquid inlet pipe 2, the liquid cannot enter the connecting pipe 3 from the liquid inlet pipe 2 at the moment, water performs backwashing filtering operation under the action of water pressure, an annular connecting wire ring 14 is arranged at the top of a region to be filtered, the connecting wire ring 14 is simultaneously welded on the outer wall of the filtering net 5 and the inner wall of the filtering box 4, a conducting wire is arranged in the connecting wire ring 14, the conducting wire is electrically connected with the outer wall of, electromagnetic plate 7 is connected with filter screen 5's inner wall electricity, electromagnetic plate 7's top veneer has spring 15, spring 15's the other end welding is in 8 bottoms on the hoop, when there is not dust or the accumulation volume is little on filter screen 5, because filter screen 5 can the intercommunication circuit, then electromagnetic plate 7 will have magnetism under the effect of external power, and attract hoop 8 to make it move down, thereby realize the effect of the open feed liquor pipe 2 of piston 13, and when being covered with solid impurity on filter screen 5 or piling up into the one deck dirt, the inside and outside of filter screen 5 will unable intercommunication this moment, then external power will be unable to give electromagnetic plate 7 circular telegram through the wire, electromagnetic plate 7 will not have the appeal to hoop 8 this moment, at hoop gravity, will shift up under the effect of spring 15 elasticity and buoyancy, realize the effect of sealed feed liquor pipe 2.

In the utility model, in the initial state, the inside and outside of the filter screen 5 can be conducted, and the electromagnetic plate 7 is electrically connected with the external power supply, so that the filter screen has larger magnetism, at the moment, the iron ring 8 above the filter screen is attracted to move downwards and the spring 15 is compressed, and during the normal filtering operation, the liquid flow direction is as shown in figure 3, because the liquid flow direction is always from the region to be filtered to the region after filtering, the filtered solid impurities are always remained outside the filter screen 5 and gradually form a layer of thick deposition, so that the outside of the filter screen 5 gradually loses the electric connection capability, and under the state, the electromagnetic plate 7 is gradually demagnetized, and the iron ring 8 moves upwards under the condition of losing the magnetic attraction, and pushes the connecting rod 11 and the piston 13 to enter the liquid inlet pipe 2 until the liquid inlet pipe 2 is sealed, at the moment, because the external power supply can not be conducted, the filter screen can be detected to be in the deposition state under, then the electromagnetic valve 10 is closed, at the moment, the direction of the liquid flow is changed, as shown in fig. 1, under the reverse flow of the liquid flow, the backwashing filtration operation is carried out, the deposited dust on the outer side of the filter screen 5 is washed clean, the operation of hydraulic system elements in a clean system environment can be ensured, and the reliability and the safety of the utilization of the mine water are improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an automatic back flush filter equipment that pit water was used, includes inlet (1) and feed liquor pipe (2), its characterized in that, feed liquor pipe (2) divide two passageways from inlet (1) outward, every the end of passageway all sealing connection has a pressure valve (6), the one end lateral wall that every passageway of feed liquor pipe (2) is close to pressure valve (6) runs through and is equipped with connecting pipe (3), every connecting pipe (3) top all is connected with rose box (4), every rose box (4) are connected with drain pipe (9), two drain pipe (9) intercommunication sets up and is connected with solenoid valve (10) jointly keeping away from the one end of rose box (4), be equipped with the excitation device in rose box (4) and carry out the filterable excitation structure of anti-automatic washing.

2. The automatic backwashing filter device for mine water of claim 1, wherein a filter screen (5) is arranged in the filter tank (4), the filter screen (5) is of an annular shell structure, the filter screen (5) divides the interior of the filter tank into an inner space and an outer space which are relatively independent, the space in the filter screen (5) is a post-filtration area, the space outside the filter screen (5) is a to-be-filtered area, and the connecting pipe (3) is communicated with the to-be-filtered area.

3. The automatic backwashing filter device for mine water according to claim 2, wherein the excitation device comprises an electromagnetic plate (7), the electromagnetic plate (7) is fixedly connected to the bottom of the post-filtration area, an annular iron ring (8) is arranged above the electromagnetic plate (7), a connecting rod (11) is welded to the rotation center of the iron ring (8) through a pin shaft, the connecting rod (11) penetrates through the top of the filter box (4), the connecting rod (11) is connected with the inner wall of the filter box (4) in a sealing manner, a piston box (12) is connected to one end of the connecting rod (11) outside the filter box (4), and the piston box (12) is welded to the right-angled bottom of the liquid inlet pipe (2).

4. The automatic backwashing filter device for mine water of claim 3, wherein a piston (13) is connected in a sealing and sliding manner in the piston box (12), the piston (13) penetrates through the inner walls of the piston box (12) and the liquid inlet pipe (2), and one end of the piston (13) in the liquid inlet pipe (2) is tightly attached to the inner wall of the vertical section of the right-angled portion of the liquid inlet pipe (2).

5. The automatic backwashing filter device for mine water of claim 2, wherein an annular wire connecting ring (14) is arranged at the top of the area to be filtered, the wire connecting ring (14) is welded on the outer wall of the filter screen (5) and the inner wall of the filter box (4) at the same time, a wire is arranged in the wire connecting ring (14), the wire is electrically connected with the outer wall of the filter screen (5) at one end of the filter screen (5), and the wire is communicated with external power-on equipment at one end of the filter box (4).

6. The automatic backwashing filter device for mine water of claim 3, wherein the electromagnetic plate (7) is electrically connected with the inner wall of the filter screen (5), the top of the electromagnetic plate (7) is glued with a spring (15), and the other end of the spring (15) is welded at the bottom of the iron ring (8).