CN210933958U

CN210933958U - Backwashing filter of coal mining hydraulic system

Info

Publication number: CN210933958U
Application number: CN201921611609.7U
Authority: CN
Inventors: 顾晔; 刘荣光; 丁文进
Original assignee: Jiangsu Wenfeng Machinery Manufacturing Co ltd
Current assignee: Jiangsu Wenfeng Machinery Manufacturing Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-07-07
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a coal mining hydraulic system back flush filter, including filter body, filter body bottom fixed mounting has the inlet tube, and filter body is inside to have filter equipment through bracing piece fixed mounting, and filter equipment includes the mount, and mount inner wall joint has the filter core, and the filter core side is provided with the filter screen, and mount bottom thread tightening has the filter layer, and the filter layer is bilayer structure, and filter layer top central point puts fixed mounting and has the rotation groove, and filter body top fixed mounting has the motor, motor output end fixedly connected with dwang. The utility model discloses a motor drives the dwang and rotates at a high speed, rotates the in-process at a high speed and forms suction, and the suction nozzle adsorbs filter screen adnexed impurity to clean the filter screen along with spiral stirring mode, then, impurity passes through the rivers and is discharged by the blow off pipe, and the blow off pipe valve is closed, and the filter begins to prepare next washing cycle.

Description

Backwashing filter of coal mining hydraulic system

Technical Field

The utility model relates to the technical field of filters, especially, relate to a coal mining hydraulic system back flush filter.

Background

The back washing filter is a precise device which directly intercepts impurities in water by using a filter screen, removes suspended matters and particles in the water body, reduces turbidity, purifies water, reduces the generation of system dirt, bacteria, algae, rust and the like, and purifies the water and protects other devices of the system to normally work. Water enters the self-cleaning filter body from the water inlet, and due to the intelligent design, the system can automatically identify the impurity deposition degree and automatically discharge sewage for a sewage discharge valve signal. In the operation of the mine tunnel, the phenomenon of water accumulation and water seepage can be inevitably caused, coal and water are mixed and then continuously flow outwards along the low-lying terrain, if the sewage can not be well treated, the pollution degree to the environment is very serious, therefore, a backwashing filter needs to be designed, the sewage is timely treated, the aim of convenient disassembly and assembly and replacement is required to be realized, and the cleanness of the filtered water source is ensured to the maximum extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mining back flush filter, solve sewage purification treatment's problem.

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

the utility model provides a coal mining hydraulic system back flush filter, includes filter body, filter body bottom fixed mounting has the inlet tube, filter body is inside to have filter equipment through bracing piece fixed mounting, filter equipment includes the mount, mount inner wall joint has the filter core, the filter core side is provided with the filter screen, mount bottom thread tightening has the filter layer, the filter layer is bilayer structure, filter layer top central point puts fixed mounting and has the rotation groove, filter body top fixed mounting has the motor, motor output end fixedly connected with dwang, inside the dwang penetrated filter body top and stretched into the filter core, dwang outer wall equidistance is provided with the suction nozzle.

Preferably, the fixing frame is welded and fixed by a transverse steel bar and a vertical steel bar, and the filter screen and the filter layer are both made of metal stainless steel materials.

Preferably, the upper end of the outer wall of one side of the filter body is fixedly connected with a sewage discharge pipe, and the middle end of the outer wall of one side of the filter body is fixedly connected with a water outlet pipe.

Preferably, a control box and a pressure difference sensor are arranged at the upper end of the outer wall of the other side of the filter body, electromagnetic valves are arranged in the sewage draining pipe and the water outlet pipe, and the electromagnetic valves (6) are electrically connected with the pressure difference sensor and the control box.

Preferably, the dwang and the trough that rotates position phase-match, the dwang bottom cup joints with the activity of rotating the inslot wall.

Preferably, the suction nozzle contacts with the filter screen, the suction nozzle is fixed with the dwang outer wall welding.

The utility model has the advantages that:

1. the utility model discloses an inside the inlet tube pours into sewage into filter equipment, wherein, at first the filter layer filters the granule impurity that contains in sewage, the sewage after will passing through the first filtration enters into the filter core inside, the filter core outer wall comprises the filter screen, the fine particle that the aquatic contains is at the secondary filter back of filter screen, discharge through the outlet pipe, the filter layer adopts the detachable mounting means with the filter core, be convenient for change the specification of filter layer according to the condition on the spot, satisfy the on-the-spot needs, simultaneously, it is also more convenient to subsequent clean process.

2. After operation one end time, certain jam condition can take place on the filter screen, in filtering process, the filth of filter screen accumulation aquatic gradually, impurity, form and filter the impurity layer, pile up the inboard at the filter screen by the impurity layer, consequently in the filter screen, outer both sides have just formed a pressure differential, when pressure differential reaches the default, will begin the self-cleaning process, the valve port of outlet pipe is closed to the door through the solenoid valve, the motor drives the dwang and rotates at a high speed, rotate the in-process at a high speed and form suction, the suction nozzle of installation dwang outer wall adsorbs filter screen adnexed impurity, and clean the filter screen along with spiral pivoted mode, then, the blow-off pipe valve is opened, impurity passes through rivers and is discharged by the blow-off pipe, the blow-off pipe valve is closed, the filter begins to prepare next washing.

Drawings

Fig. 1 is a front view of a coal mining hydraulic system backwashing filter provided by the utility model;

fig. 2 is a schematic structural view of a filtering device of a backwashing filter of a coal mining hydraulic system according to the present invention;

fig. 3 is a schematic view of the connection between the filter layer and the filter element of the backwashing filter of the coal mining hydraulic system provided by the utility model.

In the figure: 1 filter body, 2 inlet tubes, 3 filter devices, 4 outlet tubes, 5 blow-off pipes, 6 electromagnetic valves, 7 rotating rods, 8 motors, 9 suction nozzles, 10 fixing frames, 11 filter elements, 12 filter screens, 13 filter layers and 14 rotating grooves.

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.

Referring to fig. 1-3, a coal mining hydraulic system backwashing filter comprises a filter body 1, a water inlet pipe 2 is fixedly installed at the bottom of the filter body 1, a filtering device 3 is fixedly installed inside the filter body 1 through a supporting rod, the filtering device 3 comprises a fixing frame 10, a filter element 11 is clamped on the inner wall of the fixing frame 10, a filter screen 12 is arranged on the side surface of the filter element 11, a filter layer 13 is fixed at the bottom of the fixing frame 10 through a thread, the filter layer 13 is of a double-layer structure, a rotating groove 14 is fixedly installed at the center of the top of the filter layer 13, a motor 8 is fixedly installed at the top of the filter body 1, a rotating rod 7 is fixedly connected with the output end of the motor 8, the rotating rod 7 penetrates through the top of the filter body 1 and extends into the filter element 11, the utility model provides a filter body 1 one side outer wall upper end fixedly connected with blow off pipe 5, filter body 1 one side outer wall middle-end fixedly connected with outlet pipe 4, 1 opposite side outer wall upper end of filter body is provided with control box and pressure differential inductor, blow off pipe 5 all is provided with solenoid valve 6 with outlet pipe 4 is inside, solenoid valve 6 and pressure differential inductor and control box electric connection,

dwang

7 and 14 position phase-matches in rotation groove, dwang 7 bottom cup joints with 14 inner wall activities in rotation groove, suction nozzle 9 contacts with filter screen 12, suction nozzle 9 and 7 outer wall welded fastening of dwang.

The working principle is as follows: when the utility model is used, sewage is injected into the filtering device 3 through the water inlet pipe 2, wherein, at first, the filtering layer 13 filters particle impurities contained in the sewage, the sewage after primary filtration enters the filter element 11, the outer wall of the filter element 11 is composed of the filter screen 12, fine particles contained in the water are discharged through the water outlet pipe 2 after the secondary filtration of the filter screen 12, after one end of operation, certain blocking condition can occur on the filter screen 12, in the filtering process, the filter screen 12 gradually accumulates dirt and impurities in the water to form a filtering impurity layer, the impurity layer is accumulated at the inner side of the filter screen 12, therefore, a pressure difference is formed at the inner side and the outer side of the filter screen 12, when the pressure difference reaches a preset value, the automatic cleaning process is started, the valve port of the water outlet pipe 4 is closed through the electromagnetic valve 6, the motor 8 rotating rod drives the rotating rod 7 to rotate at high speed, form suction at high-speed rotation in-process, the suction nozzle 9 of installation dwang 7 outer wall adsorbs filter screen 12 adnexed impurity to clean filter screen 12 along with spiral pivoted mode, then, 5 valves of blow off pipe are opened, and impurity passes through rivers and is discharged by blow off

pipe

5, and 5 valves of blow off pipe are closed, and the filter begins to prepare next cycle of washing.

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 a coal mining hydraulic system back flush filter, includes filter body (1), its characterized in that, filter body (1) bottom fixed mounting has inlet tube (2), filter body (1) is inside to have filter equipment (3) through bracing piece fixed mounting, filter equipment (3) include mount (10), mount (10) inner wall joint has filter core (11), filter core (11) side is provided with filter screen (12), mount (10) bottom thread tightening has filter layer (13), filter layer (13) are bilayer structure, filter layer (13) top central point puts fixed mounting has rotating groove (14), filter body (1) top fixed mounting has motor (8), motor (8) output end fixedly connected with dwang (7), dwang (7) run through filter body (1) top and stretch into inside filter core (11), the outer wall of the rotating rod (7) is equidistantly provided with suction nozzles (9).

2. The backwashing filter of the coal mining hydraulic system according to claim 1, wherein the fixing frame (10) is fixed by welding transverse steel bars and vertical steel bars, and the filter screen (12) and the filter layer (13) are made of metal stainless steel.

3. The backwashing filter of the coal mining hydraulic system according to claim 1, wherein a drain pipe (5) is fixedly connected to the upper end of the outer wall of one side of the filter body (1), and a water outlet pipe (4) is fixedly connected to the middle end of the outer wall of one side of the filter body (1).

4. The backwashing filter of the coal mining hydraulic system according to claim 3, wherein a control box and a differential pressure sensor are arranged at the upper end of the outer wall of the other side of the filter body (1), electromagnetic valves (6) are arranged in the sewage discharge pipe (5) and the water outlet pipe (4), and the electromagnetic valves (6) are electrically connected with the differential pressure sensor and the control box.

5. The backwashing filter of the coal mining hydraulic system according to claim 1, wherein the rotating rod (7) is matched with the rotating groove (14), and the bottom of the rotating rod (7) is movably sleeved with the inner wall of the rotating groove (14).

6. The backwashing filter of the coal mining hydraulic system according to claim 1, wherein the suction nozzle (9) is in contact with the filter screen (12), and the suction nozzle (9) is welded and fixed with the outer wall of the rotating rod (7).