CN217287630U - Compressed air filter - Google Patents

Abstract

The utility model discloses a pressure wind filter comprises first filter ware, second filter and the clamp of connecting the two, be provided with guide plate and the two-layer filter equipment of first filter screen in the first filter, be provided with the drier of second filter screen, third filter screen and the two packing in the second filter. This device can filter the water and the impurity that get into pneumatic diaphragm pump, and relevant machine live time is prolonged, the guarantee operation personnel safety.

Description

Compressed air filter

Technical Field

The utility model relates to a colliery drainage field, concretely relates to pressure wind filter.

Background

In the process of coal mining excavation and exploitation, a considerable amount of water can overflow, generally, most mines can use a pneumatic diaphragm pump for pumping and draining water, and meanwhile, an air door uses a pneumatic locking device.

The underground overflow water is mixed with soil blocks, stone blocks, coal blocks and other substances with different sizes, impurities such as rust, accumulated water and the like also exist in the compressed air pipeline, and along with the pumping, the mixture formed by the impurities can enter the diaphragm pump or the pneumatic voice alarm box under the action of strong suction. Directly use pneumatic diaphragm pump to draw water, can improve the operating cost on the whole, can accelerate the wearing and tearing of the diaphragm pump body, loudspeaker vibrating plate on the one hand, long-term operation can shorten life, and on the other hand also can have the solid to get into and cause danger in the pump, influences operation personnel safety.

Disclosure of Invention

An object of the utility model is to provide a press wind filter filters the water and the impurity that get into pneumatic diaphragm pump, prolongs relevant machine live time, ensures operation personnel safety.

The utility model discloses a press wind filter sets up perpendicularly on pressing the wind pipeline, and characterized by comprises first filter, the second filter that sets up in its top and the clamp of connecting the two:

the first filter consists of an air inlet, a water outlet, a guide plate, a first filter screen, a first bracket and a first limit bolt group, wherein the air inlet is arranged on the side wall of the first filter, the water outlet is arranged on the bottom surface, the guide plate is obliquely arranged in the first filter, an air hole and a water guide strip for supplying water to flow out are arranged on the guide plate, the first bracket is arranged above the guide plate, and the first filter screen is arranged on the first bracket through the first limit bolt group;

the second filter consists of a drying agent, a second support, a second filter screen, a second limit bolt group, a third support, a third filter screen, a third limit bolt group and an air outlet, the drying agent, the second support, the second filter screen, the third limit bolt group and the air outlet are arranged in the top surface of the second filter, the second support is arranged on one side, connected with the first filter, of the second filter, the second filter screen is arranged below the second support through the second limit bolt group, the third support is arranged above the second filter screen, the third filter screen is arranged below the third support through the third limit bolt group, and the drying agent is filled between the third support and the second filter screen;

the clamp is arranged at the joint of the first filter and the second filter.

Preferably, in order to effectively filter impurities such as rust, the first filter screen is 80 meshes, and the second filter screen and the third filter screen are 120 meshes.

Preferably, the desiccant is silica gel desiccant, and can further dry compressed air.

In order to accelerate the flow speed of water on the guide plate, the angle formed by the guide plate and the inner wall of the first filter is 30 degrees.

And valves are arranged on the air inlet, the water outlet and the air outlet, so that the working state of the compressed air filter can be controlled at any time.

The first bracket, the second bracket and the third bracket are made of reinforcing mesh.

Preferably, the first limit bolt group, the second limit bolt group and the third limit bolt group are respectively composed of two bolts.

The filter function of the compressed air filter of the utility model is divided into three parts, firstly, the larger particles mixed in the compressed air can not enter the other side provided with the filter screen by the blocking of the guide plate, the water guide strip on the guide plate can help the water entering the compressed air filter along with the compressed air to flow out and take away the larger impurities; the second part has the filtering function of the filter screen, can intercept some small impurities passing through the air holes, and the second filter screen and the third filter screen form a double-layer filtering guarantee; the third part is to dry the gas passing through the drying agent to reduce the moisture content, and the combination of the three parts can prevent impurities from entering the subsequent equipment through the compressed air filter.

Therefore, the utility model discloses can protect and press the wind filter, prolong the live time of pneumatic diaphragm pump, the pnematic audio alert case that links to each other to the relevant personnel of operation are participated in the protection, prevent to pop out or the emergence of other dangerous condition suddenly after getting into pneumatic diaphragm pump because of solid or liquid.

Drawings

Fig. 1 is a schematic structural view of a compressed air filter.

Fig. 2 is a schematic view of a baffle configuration.

Fig. 3 is a partial structural schematic diagram of the compressed air filter.

The filter comprises a first filter 1, a second filter 2, a hoop 3, a second filter 4, an air inlet 5, a water outlet 6, a guide plate 61, an air hole 62, a water guide strip 7, a drying agent 8, an air outlet 9, a first support 10, a first filter screen 11, a first limit bolt group 12, a second support 13, a second filter screen 14, a second limit bolt group 15, a third support 16, a third filter screen 17 and a third limit bolt group 17.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a pressure wind filter sets up perpendicularly on pressure wind pipeline, as shown in fig. 1, by first filter 1, set up in the second filter 3 of its top and connect the clamp 2 of the two and constitute. Wherein the first filter 1 and the second filter 3 are made of 6 inch steel pipes, the length of the first filter 1 is 300mm, and the length of the second filter 3 is 200 mm.

As shown in fig. 1 and fig. 3, the first filter 1 is composed of an air inlet 4, a water outlet 5, a flow guide plate 6, a first filter screen 10, a first bracket 9, and a first limit bolt group 11. The air inlet 4 is arranged on the side wall of the first filter 1, the water outlet 5 is arranged on the bottom surface, and the air inlet 4 and the water outlet 5 are respectively provided with a valve. The guide plate 6 is obliquely arranged inside the first filter 1, as shown in fig. 2, the guide plate 6 is provided with an air hole 61 and a water guide strip 62 for supplying water to flow out, the aperture of the air hole 61 is 5mm, and in order to accelerate the flow speed of the water supplied to the guide plate 6, the angle formed by the guide plate 6 and the inner wall of the first filter 1 is 30 degrees. The first support 9 made of the reinforcing mesh is arranged above the flow guide plate 6, the first limit bolt group 11 is composed of 2 symmetrically arranged bolts, and the first filter screen 10 is an 80-mesh filter screen and is arranged on the first support 9 through the first limit bolt group 11. The second filter 3 is composed of a drying agent arranged in the second filter, a second support 12, a second filter screen 13, a second limit bolt group 14, a third support 15, a third filter screen 16, a third limit bolt group and an air outlet 8 arranged on the top surface of the second filter 3. The air outlet 8 is provided with a valve which can control the working state of the compressed air filter at any time. The second support 12 is arranged on one side of the second filter 3 connected with the first filter 1, the second filter screen 13 is arranged below the second support 12 through a second limit bolt group 14, the third support 15 is arranged above the second filter screen 13, the third filter screen 16 is arranged below the third support 15 through a third limit bolt group, and the second filter screen 13 and the third filter screen 16 are 120 meshes for effectively filtering impurities such as rust. The second stent 12 and the third stent 15 are made of mesh reinforcements. The second limit bolt group 14 and the third limit bolt group are respectively composed of two bolts. A drying agent is filled between the third support 15 and the second filter 13, and a silica gel drying agent is selected in this embodiment to further dry the compressed air. The clamp 2 is arranged at the joint of the first filter 1 and the second filter 3.

Before use, the compressed air filter is firstly assembled according to the following steps:

1) the first support 9 is welded by a reinforcing mesh at a position 20mm away from the opening of the first filter 1 above the guide plate 6, two phi 6mm limit nuts are symmetrically welded on the side wall 10mm above the first support 9, and after the first filter screen 10 is laid on the first support 9, matched limit screws are screwed into the two limit nuts to form a first limit screw group 11, and the first filter screen 10 is fixed.

2) In the second filter 3, a third support 15 is arranged at a position 100mm away from the air outlet 8, two phi 6mm limiting nuts are symmetrically welded on the side wall 10mm below the third support 15, and after a third filter screen 16 is laid below the third support 15, matched limiting screws are screwed into the two limiting nuts to form a third limiting screw group, and the third filter screen 16 is fixed. A second bracket 12 and a second limit bolt group 14 are arranged at a position 20mm away from the opening of the second filter 3 by the same method, silica gel desiccant is filled between the third filter screen 16 and the second bracket 12, and then the second filter screen 13 is fixed.

3) The openings of the first filter 1 and the second filter 3 are oppositely arranged, and the connection part is fixed by using a clamping hoop 2.

After the compressed air filter is installed at the target position of the compressed air pipeline, the pneumatic diaphragm pump is started, along with the suction of air, one part of large particles naturally fall into the water discharge opening 5, the other part is blocked by the guide plate 6, and water entering the compressed air filter due to the suction flows down along the water guide strip 62 and flows out from the water discharge opening 5. Smaller impurities reach the first sieve 10 through the air holes 61, and the impurities and the moisture still present therein pass through the first sieve 10, the second sieve 13, the silica gel desiccant and the third sieve 16, and there is substantially no substance present that may affect the pneumatic diaphragm pump.

After the filter is used for a period of time, the hoop 2 is opened, the first filter 1 and the second filter 3 are separated, the first limit bolt group 11 is loosened, the first filter screen 10 arranged in the first filter 1 is taken out, the second limit bolt group 14 and the third limit bolt group are loosened, the second filter screen 13, the third filter screen 16 and a silica gel drying agent between the second filter screen and the third filter screen are taken out, the silica gel drying agent is replaced, the interiors of the first filter 1 and the second filter 3 are cleaned, and then all the filter screens are cleaned, so that the cleaning work can be completed.

In addition, in the aspect of maintenance, the water outlet 5 needs to be screwed off in time according to the field condition every week to discharge water, and a pipe clamp of the device is opened every month to clean impurities such as rust on the filter screen; or the maintenance period can be shortened as appropriate; replacement of the desiccant at least once a month, or optionally reduced maintenance periods; the silica gel desiccant is used for physically adsorbing moisture, and the desiccant which is invalid after being used can be heated and dried for reuse.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (7)

1. The utility model provides a press wind filter, sets up perpendicularly on pressing the wind pipeline, characterized by comprises first filter, the clamp of setting up in the second filter of its top and connecting the two:

the first filter consists of an air inlet, a water outlet, a guide plate, a first filter screen, a first bracket and a first limit bolt group, wherein the air inlet is arranged on the side wall of the first filter;

the second filter consists of a drying agent, a second support, a second filter screen, a second limit bolt group, a third support, a third filter screen, a third limit bolt group and an air outlet, the drying agent, the second support, the second filter screen, the third limit bolt group and the air outlet are arranged in the top surface of the second filter, the second support is arranged on one side, connected with the first filter, of the second filter, the second filter screen is arranged below the second support through the second limit bolt group, the third support is arranged above the second filter screen, the third filter screen is arranged below the third support through the third limit bolt group, and the drying agent is filled between the third support and the second filter screen;

the clamp is arranged at the joint of the first filter and the second filter.

2. The filter of claim 1, wherein the first screen is 80 mesh, and the second and third screens are 120 mesh.

3. The filter of claim 1, wherein the desiccant is a silica gel desiccant.

4. The filter of claim 1, wherein the angle formed by the baffle and the inner wall of the first filter is 30 °.

5. The filter of claim 1, wherein the inlet, outlet and outlet are provided with valves.

6. The filter of claim 1, wherein the first, second and third brackets are made of a mesh of steel reinforcement.

7. The filter of claim 1, wherein the first, second and third sets of limit bolts are each comprised of two bolts.

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