CN203777779U - Water filter - Google Patents

Abstract

The utility model discloses a water filter, which belongs to the field of filtering equipment of water for coal mines. The water filter comprises a filter main body as well as a water inlet pipeline (1) and a water outlet pipeline (2). The water filter is characterized in that the filter main body is vertically arranged; a tee joint is connected to the bottom end of the filter main body through a flange (11); a drainage pipeline (4) is connected to a vertical pipeline of the tee joint; a water inlet pipeline (1) is connected to a horizontal pipeline of the tee joint; the water outlet pipeline (2) is connected out from the top of the filter main body; the water inlet pipeline (1) is connected with a backwash pipeline (3) through the tee joint and in front of a water inlet valve (6); the backwash pipeline (3) is connected to the top end of the filter main body; the backwash pipeline (3) and the drainage pipeline (4) are provided with valves; a backwash backflow component is arranged inside the filter main body. The water filter is simple in structure, high in filtration capacity and simple, convenient and efficient to operate, the backwash effect is improved, and backwash dead angles are eliminated.

Description

A kind of water filter

Technical field

A water filter, belongs to coal mine filter plant field.

Background technology

During coal-winning machine work, cylinder can produce a large amount of coal dusts in coal cutting and the process of coalingging, and each critical pieces such as motor, rocking arm also can produce very large heat, and water circuit system is by taking atomizing de-dusting, the cooling mode of water pipe water jacket to guarantee the normal operation of coal-winning machine.With regard to its water filter; the middle or small coal-winning machine of major part still adopts traditional water filter; one-way flow, function singleness; must regularly shut down and unpick and wash filter core, because water quality inferiority in mine, impurity are many, filter core easily stops up; as do not cleaned in time; filter insufficiently, very easily cause spray nozzle clogging, have influence on spray effect.

Piping filter is mainly used in the large-scale digging in down-hole, rock drill depositing dust, tunnel cooling.Down-hole water adopts sewage to use after filtration on working face conventionally, owing to containing anvil cinder or some sediments that pipeline gets rusty and produces in the inner water quality of water supply line, uses on equipment for a long time, will stop up apopore, and cause device damage, affects pit mining.

It is clean that current part water filter can carry out backwash, but cleaning effect is poor.Thorough not to the backwash of filter core, flushing water can reflux by filter core after the Partial Blocking thing of removing on filter core, and the most of tamper on filter core is not still removed.Also have some automatic backwashing filters, but structure is more complicated, price is more expensive, inconvenient maintenance.The more complicated reality of structure more easily results in blockage, and especially, under the poor environment of the water quality in colliery, so-called automatic backwash is almost illusory, and whole equipment will damage after using the very short time completely.

Utility model content

The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of simple in structure firm, the water filter that a kind of colliery that backwash ability is stronger is used.

The utility model solves the technical scheme that its technical problem adopts: this water filter, comprise the filter body of filter core and the inlet pipeline on filter body, outlet pipeline are housed, on inlet pipeline, outlet pipeline, be respectively equipped with inlet valve, flowing water Valve, on the end face of filter core and side, offer the mesh that filters use, described filter body longitudinally arranges, and the top of filter body connects outlet pipeline; Filter body bottom is connected with threeway by flange, on the vertical pipeline of threeway, connects blowoff line, on the horizontal pipeline of threeway, connects inlet pipeline; Inlet pipeline connects backflushing pipe by threeway before inlet valve, and backflushing pipe is connected to filter body top, and backflushing pipe and blowoff line are provided with valve; The inwall of filter body is provided with recoil backflow parts.

The utility model middle filtrator main body is vertically placed, and in the time of normal filtration, water is walked from below to up, makes to filter more abundant.In the time of recoil, current from top to down, are conducive to tamper and rinse, and make the cleaner of filter core flushing.Backflushing pipe send water by filter body end face, causes stronger undershoot dynamics, and tamper is easily washed out.Blowoff line vertically connects, and after tamper is swept away, is beneficial to discharge, can not produce secondary and stop up.

Described recoil backflow parts are the baffle plate of the ring shape that arranges on filter body inwall, between baffle plate and filter core, leave passage.The current that annular baffle plate enters backflushing pipe form and stop, current are formed and reflux, and the current of assurance backwash respectively highly reflux and enter filter core from filter core, and the tamper that makes filter core inside be adsorbed on differing heights is all rinsed well.

The interior edge of described baffle plate is inclined upwardly.The interior edge of baffle plate is inclined upwardly and can increases backflow effect, further strengthens backwash effect.

Described filter core can only be offered mesh on side.Guarantee to enter filter core on current from the side in back flushing process, can increase backwash effect.

Described filter core is used 60 order screen cloths.According to water water quality in colliery and water outlet requirement, select 60 order screen cloths.Guaranteeing that filtering water is up to standard can guarantee water yield again.

Compared with prior art, the beneficial effect that a kind of water filter of the present utility model has is: the utility model is simple in structure, and filter capacity is large.Efficiency easy and simple to handle is high, without taking cleaning apart.Long service life, integrated cost is low.By using this filter, greatly reduced equipment and in use occurred the phenomenon of stopping up.This filtration device structure is simple, cost is low, easy to make, be widely used.And manufacturing process is fast, down-hole is easy to use, and the utilization rate of stepping up its investment has in use not only improved operating efficiency, and guaranteed safety in production.

The utility model has strengthened the developing result of backwash current, by increasing baffle plate, makes the diverse location of filter core can carry out the backwash of stronger current, has removed backwash dead angle.

Accompanying drawing explanation

Fig. 1 is the structural representation of water filter.

Fig. 2 is a place enlarged drawing of water filter.

Wherein: 1, inlet pipeline 2, outlet pipeline 3, backflushing pipe 4, blowoff line 5, filter core 6, inlet valve 7, flowing water Valve 8, recoil valve 9, sewage draining valve 10, baffle plate 11, flange.

The specific embodiment

Fig. 1 ~ 2nd, most preferred embodiment of the present utility model, is described further below in conjunction with 1 ~ 2 pair of the utility model of accompanying drawing.

With reference to accompanying drawing 1: water filter of the present utility model, comprise inlet pipeline 1, outlet pipeline 2, backflushing pipe 3, blowoff line 4 and filter body, filter core 5 is housed in filter body, filter core 5 is used 60 order screen cloths to meet the condition of water quality in colliery, filter core net cylinder diameter is 80mm, the high 200mm of being, guarantees coal mine amount.On the upper surface of filter core 5 and side, all have mesh, filter body vertically arranges to increase and filters and repercussion effect, filter body bottom is connected with threeway by flange 11, on the vertical pipeline of threeway, connect blowoff line 4 and be beneficial to the tamper discharge of going out, on the horizontal pipeline of threeway, connect inlet pipeline 1, outlet pipeline 2 connects from filter body top; Inlet pipeline 1 is provided with inlet valve 6, outlet pipeline 2 is provided with flowing water Valve 7, and inlet pipeline 1 connects backflushing pipe 3 by threeway before inlet valve 6, and backflushing pipe 3 is connected to filter body top, form the recoil current of undershoot, in conjunction with gravity and the dynamics of washing away, take out tamper.Backflushing pipe 3 is provided with recoil valve 8, and blowoff line 4 is provided with sewage draining valve 9.

With reference to accompanying drawing 2: be provided with the baffle plate 10 of a ring shape on the filter body inwall of water filter of the present utility model, 5 of baffle plate 10 and filter cores leave passage; The interior edge of baffle plate 10 is inclined upwardly.Preferably, half of the inwall that the width of baffle plate 10 is filter body and 5 spacing of filter core.

Optionally, the structure of water filter is with above-mentioned accompanying drawing 1, and difference is that filter core 5 only has and on side, offers mesh.Make in backwash process, current all flow into from filter core 5 sides, with the tamper in better filter cartridge flushing 5.

Concrete occupation mode: first open valve on outlet pipeline 2, then by inlet pipeline 1 valve open, current, from the inlet channel filter core 5 of flowing through, flow to water side through strainer filtering, access device carries out water spray dust or tunnel cooling, humidification.While needing the impurity in cleaning filter screen, need be by the valve closing of inlet and outlet pipe 1,2, by backflushing pipe 3 valve open flushing filtering nets, blowoff line 4 valve open impurity, outside current are gone out pipe, are realized impurity cleaning work.The normal water of equipment, only need to close the valve of backflushing pipe 3 and blowoff line 4, and the valve that reopens inlet and outlet pipe 1,2 just can be realized normal water supply.

The above, it is only preferred embodiment of the present utility model, be not the utility model to be done to the restriction of other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not depart from, any simple modification, equivalent variations and the remodeling above embodiment done according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.

Claims (5)

1. a water filter, comprise the filter body of filter core (5) and the inlet pipeline on filter body (1), outlet pipeline (2) are housed, on inlet pipeline (1), outlet pipeline (2), be respectively equipped with inlet valve (6), flowing water Valve (7), on the end face of filter core (5) and side, offer the mesh that filters use, it is characterized in that: described filter body longitudinally arranges, the top of filter body connects outlet pipeline (2); Filter body bottom is connected with threeway by flange (11), on the vertical pipeline of threeway, connect blowoff line (4), on the horizontal pipeline of threeway, connect inlet pipeline (1), inlet pipeline (1) connects backflushing pipe (3) by threeway inlet valve (6) is front, backflushing pipe (3) is connected to filter body top, and backflushing pipe (3) and blowoff line (4) are provided with valve; The inwall of filter body is provided with recoil backflow parts.

2. a kind of water filter according to claim 1, is characterized in that: described recoil backflow parts are the baffle plate (10) of the ring shape that arranges on filter body inwall, between baffle plate (10) and filter core (5), leave passage.

3. a kind of water filter according to claim 2, is characterized in that: the interior edge of described baffle plate (10) is inclined upwardly.

4. a kind of water filter according to claim 1, is characterized in that: described filter core (5) can only be offered mesh on side.

5. a kind of water filter according to claim 1, is characterized in that: described filter core (5) is used 60 order screen cloths.