CN215462849U

CN215462849U - Relief valve uninstallation gas filter

Info

Publication number: CN215462849U
Application number: CN202121804870.6U
Authority: CN
Inventors: 陈庆斌
Original assignee: Guangdong Quanmei Flower Technology Co ltd
Current assignee: Guangdong Quanmei Flower Technology Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-11
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a relief valve unloading gas filter, and relates to the technical field of relief valves. According to the utility model, the filter body, the fixed plate, the exhaust port, the filter screen, the air inlet, the dense filter screen, the first filter cotton, the second filter cotton, the third filter cotton and the filter screen cover are used in a matched manner, so that the unloaded gas can be filtered layer by layer, the unloaded gas can reach the discharge standard, the pollution of impurity, dust and the like in the unloaded gas to workshops or factories is avoided, the second filter cotton and the third filter cotton can be replaced through the matched use of the filter body, the fixed plate, the top cover, the bottom cover, the dense filter screen, the first filter cotton, the second filter cotton filter screen cover and the spiral cover, the dust accumulated in the filter screen cover can be poured conveniently, the structure is simple, the operation is convenient, the filter cotton replacement work is convenient, and the normal work of the filter is further ensured.

Description

Relief valve uninstallation gas filter

Technical Field

The utility model relates to the technical field of pressure relief valves, in particular to an unloading gas filter of a pressure relief valve.

Background

The pressure relief valve can be automatically opened and closed according to the working pressure of the system, and is generally arranged on equipment or a pipeline of a closed system to protect the safety of the system. When the pressure in the equipment or the pipeline exceeds the set pressure of the pressure release valve, the pressure release valve is automatically opened, the medium pressure in the equipment or the pipeline is ensured to be below the set pressure, the equipment and the pipeline are protected, and accidents are prevented. At present, the uninstallation gas of relief valve all is direct discharge, lacks filter equipment, is rich in the dust in the uninstallation gas of relief valve, and direct discharge can cause the pollution to the environment in workshop or mill, and is unfavorable for workman's healthy.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a pressure relief valve unloading gas filter to solve the problems set forth in the background above.

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

a relief valve unloading gas filter comprises a filter body, a fixing plate and a dense filter screen, wherein the top of the filter body is provided with a first through hole, the inner wall of the through hole is connected with a first sealing ring, the bottom of the filter body is provided with a second through hole, the inner wall of the second through hole is connected with a second sealing ring, a cavity is arranged in the filter body, the inner wall of the cavity is provided with first filter cotton, the center of the bottom of the fixed plate is provided with an exhaust port, the inner wall of the bottom of the exhaust port is connected with a filter screen, the top of the dense filter screen is provided with a top cover, and the bottom of dense matter filter screen is provided with the bottom, the outer wall of bottom is provided with the spiral cover, the inside of dense matter filter screen is provided with the second and crosses filter pulp, third and cross filter pulp and screen panel, the bottom of screen panel is connected with the fixed block, and the top of screen panel is connected with the air inlet.

As a further scheme of the utility model: the fixed plate is arranged at the bottom of the filter body and is connected with the filter body in a threaded fit mode, and the outer wall of the fixed plate is in contact with the second sealing ring.

As a still further scheme of the utility model: the top of dense matter filter screen and the bottom fixed connection of top cap, and the bottom of dense matter filter screen and the top contact of bottom, dense matter filter screen and top cap and bottom are the adaptation, the bottom of top cap and the top of bottom all are provided with first circular slot, second circular slot and third circular slot, the top and the bottom of third filter pulp all are in the inside of first circular slot, the top and the bottom of second filter pulp all are in the inside of second circular slot, the fixed block is in the inside of third circular slot.

As a still further scheme of the utility model: the top of air inlet runs through in the top of top cap, and air inlet and top cap adaptation, the screw cap passes through screw-thread fit with the outer wall of dense matter filter screen and is connected, and screw cap and bottom adaptation.

As a still further scheme of the utility model: top cap, dense matter filter screen and spiral cover all are in the inside of cavity, and top cap, dense matter filter screen and spiral cover and cavity adaptation, the outer wall of dense matter filter screen and the inner wall contactless of cavity, the spiral cover is in the top of first filter pulp.

As a still further scheme of the utility model: the part that the air inlet runs through at the top of top cap runs through in first through-hole, and air inlet and first through-hole adaptation, the outer wall and the first sealing washer contact of air inlet, and air inlet and gas vent intercommunication.

Compared with the prior art, the utility model has the beneficial effects that: the filter body, the fixed plate, the gas vent, the filter screen, the air inlet, dense filter screen, first filter cotton, the second filters the cotton, cooperation between third filter cotton and the screen panel is used, can realize the gaseous layer upon layer of filtration of uninstallation, thereby make the gaseous emission standard that unloads reach, the pollution that has avoided impurity dust etc. in the uninstallation gas to workshop or mill to cause, through the filter body, the fixed plate, the top cap, the bottom, dense filter screen, first filter cotton, cooperation between second filter cotton screen panel and the spiral cover is used, can change second filter cotton and third filter cotton, and empty the processing with the dust that the inside accumulational of screen panel was collected, moreover, the steam generator is simple in structure, and convenient for operation, be convenient for change going on of work to filter cotton, and then ensured the normal work of this filter.

Drawings

Fig. 1 is a schematic diagram of a relief valve unloading gas filter.

Fig. 2 is a cross-sectional view of a front view of a pressure relief valve unloading a gas filter.

Fig. 3 is a schematic diagram of an enlarged structure of a relief valve unloading gas filter a.

The labels in the figure are: 1. a body; 2. an air inlet; 3. an exhaust port; 4. a first seal ring; 5. a fixing plate; 6. a second seal ring; 7. a filter screen; 8. a chamber; 9. first filter cotton; 10. a filter screen cover; 11. a top cover; 12. a dense filter screen; 13. a bottom cover; 14. a screw cap; 15. a fixed block; 16. second filter cotton; 17. and third filtering cotton.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a pressure relief valve unloading gas filter includes a filter body 1, a fixing plate 5 and a dense filter screen 12, a first through hole is formed at the top of the filter body 1, a first sealing ring 4 is connected to an inner wall of the through hole, a second through hole is formed at the bottom of the filter body 1, a second sealing ring 6 is connected to an inner wall of the second through hole, the fixing plate 5 is disposed at the bottom of the filter body 1, the fixing plate 5 and the filter body 1 are connected by thread fit, an outer wall of the fixing plate 5 contacts with the second sealing ring 6, a cavity 8 is disposed inside the filter body 1, a first filter cotton 9 is disposed on an inner wall of the cavity 8, an exhaust port 3 is formed at the center of the bottom of the fixing plate 5, a filter screen 7 is connected to an inner wall of the bottom of the exhaust port 3, a top cover 11 is disposed at the top of the dense filter screen 12, and a bottom cover 13 is disposed at the bottom of the dense filter screen 12, the outer wall of the bottom cover 13 is provided with a screw cover 14, the top cover 11, the dense filter screen 12 and the screw cover 14 are all positioned in the cavity 8, the top cover 11, the dense filter screen 12 and the screw cover 14 are matched with the cavity 8, the outer wall of the dense filter screen 12 is not contacted with the inner wall of the cavity 8, the screw cover 14 is positioned above the first filter cotton 9, the dense filter screen 12 is internally provided with second filter cotton 16, third filter cotton 17 and a filter screen cover 10, the bottom of the filter screen cover 10 is connected with a fixing block 15, the top of the dense filter screen 12 is fixedly connected with the bottom of the top cover 11, the bottom of the dense filter screen 12 is contacted with the top of the bottom cover 13, the dense filter screen 12, the top cover 11 and the bottom cover 13 are all matched, the bottom of the top cover 11 and the top of the bottom cover 13 are respectively provided with a first circular groove, a second circular groove and a third circular groove, the top and the bottom of the third filter cotton 17 are both positioned in the first circular groove, the top and the bottom of the second filter cotton 16 are both positioned in the second circular groove, fixed block 15 is in the inside of third circular slot, the top of screen panel 10 is connected with air inlet 2, the top of air inlet 2 runs through in the top of top cap 11, and air inlet 2 and top cap 11 adaptation, screw cap 14 passes through screw-thread fit with the outer wall of dense matter filter screen 12 and is connected, and screw cap 14 and bottom 13 adaptation, air inlet 2 runs through in the part at top cap 11 top and runs through in first through-hole, and air inlet 2 and first through-hole adaptation, the outer wall and the contact of first sealing washer 4 of air inlet 2, and

air inlet

2 and 3 intercommunications of gas vent.

The working principle of the utility model is as follows: in the using process, a user firstly connects the unloading gas of the pressure release valve with the gas inlet 2 at the top of the filter body 1 through a pipeline, then opens the pressure release valve, the unloading gas enters the inside of the filter screen cover 10 through the gas inlet 2, and then the second filter cotton 16, the third filter cotton 17, the dense filter screen 12, the first filter cotton 9 and the filter screen 7 can realize the layer-by-layer filtration of the unloading gas, so that the unloading gas reaches the dischargeable standard, the pollution of impurity, dust and the like in the unloading gas to workshops or factories is avoided, when the filter cotton in the filter body needs to be replaced, the user firstly unloads the fixed plate 5, then takes out the dense filter screen 12, the top cover 11 and the gas inlet 2, then unscrews the dense filter screen 12, the screw cover 14 and then takes off the bottom cover 13, namely, the second filter cotton 16 and the third filter cotton 17 can be replaced, and the dust accumulated in the filter screen cover 10 is dumped, the structure is simple, the operation is convenient, the filter cotton replacement work is convenient, and the normal work of the filter is further ensured.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a relief valve uninstallation gas filter, includes filter body (1), fixed plate (5) and dense matter filter screen (12), its characterized in that: first through-hole has been seted up at the top of filter body (1), the inner wall of through-hole is connected with first sealing washer (4), the second through-hole has been seted up to the bottom of filter body (1), the inner wall of second through-hole is connected with second sealing washer (6), the inside of filter body (1) is provided with cavity (8), the inner wall of cavity (8) is provided with first filter pulp (9), gas vent (3) have been seted up to the bottom central authorities of fixed plate (5), the bottom inner wall of gas vent (3) is connected with filter screen (7), the top of dense matter filter screen (12) is provided with top cap (11), and the bottom of dense matter filter screen (12) is provided with bottom (13), the outer wall of bottom (13) is provided with spiral cover (14), the inside of dense matter filter screen (12) is provided with second filter pulp (16), The third filter pulp (17) and screen cloth (10), the bottom of screen cloth (10) is connected with fixed block (15), and the top of screen cloth (10) is connected with air inlet (2).

2. A pressure relief valve unloading gas filter according to claim 1 wherein: the fixed plate (5) is arranged at the bottom of the filter body (1), the fixed plate (5) is connected with the filter body (1) in a threaded fit mode, and the outer wall of the fixed plate (5) is in contact with the second sealing ring (6).

3. A pressure relief valve unloading gas filter according to claim 1 wherein: the top of dense matter filter screen (12) and the bottom fixed connection of top cap (11), and the bottom of dense matter filter screen (12) and the top contact of bottom (13), dense matter filter screen (12) and top cap (11) and bottom (13) are the adaptation, the bottom of top cap (11) and the top of bottom (13) all are provided with first circular slot, second circular slot and third circular slot, the top and the bottom of third filter pulp (17) all are in the inside of first circular slot, the top and the bottom of second filter pulp (16) all are in the inside of second circular slot, fixed block (15) are in the inside of third circular slot.

4. A pressure relief valve unloading gas filter according to claim 1 wherein: the top of air inlet (2) runs through in the top of top cap (11), and air inlet (2) and top cap (11) adaptation, screw cap (14) are connected through screw-thread fit with the outer wall of dense filter screen (12), and screw cap (14) and bottom (13) adaptation.

5. A pressure relief valve unloading gas filter according to claim 1 wherein: top cap (11), dense matter filter screen (12) and spiral cover (14) all are in the inside of cavity (8), and top cap (11), dense matter filter screen (12) and spiral cover (14) and cavity (8) adaptation, the outer wall of dense matter filter screen (12) and the inner wall contactless of cavity (8), spiral cover (14) are in the top of first filter pulp (9).

6. A pressure relief valve unloading gas filter according to claim 1 wherein: the gas inlet (2) runs through in the part at top cap (11) top and runs through in first through-hole, and gas inlet (2) and first through-hole adaptation, the outer wall and the first sealing washer (4) contact of gas inlet (2), and gas inlet (2) and gas vent (3) intercommunication.