Circulating port self-cleaning filter screen of hydrogenation circulating pump

Abstract

The circulating port self-cleaning filter screen of the hydrogenation circulating pump is installed at an air inlet of a pump body and comprises a filter screen shell, a base is fixedly installed on the inner wall of the interior of the filter screen shell, four sets of supporting platforms and four springback assemblies are installed on the base, the springback assemblies are connected with a filter screen frame, and the filter screen frame is fixedly installed on the base. An electromagnet assembly is installed in the supporting platform, when the electromagnet assembly is powered on, a rebound assembly is attracted to be compressed, when the electromagnet assembly is powered off, the rebound assembly rebounds to drive a filter screen frame to displace, a vibration effect is generated, dust and other pollutants on a first filter screen and a second filter screen are vibrated off, and meanwhile a sliding cover displaces along with the filter screen frame. The dust collecting opening is overlapped with an inlet of the dust collecting pipeline, so that dust and other pollutants which fall off through vibration enter the dust collecting pipeline through the dust collecting holes and are finally transmitted to the outside of the self-cleaning filter screen through the dust collecting pipeline, and self-cleaning of the self-cleaning filter screen is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogenation circulation pump accessories, in particular to a self-cleaning filter screen for a circulation port of a hydrogenation circulation pump. Background Art

[0002] A hydrogen circulation pump is a device used to draw hydrogen from a storage container, compress it into high-pressure gas, and deliver it to the desired location. It is widely used in hydrogen filling stations, hydrogen fuel cell vehicle filling facilities, and industrial fields such as extracting crude oil and producing hydrogen.

[0003] During the suction stage, hydrogen enters the pump cavity through the pump body and is then sucked in by the impeller. A filter is set at the air inlet of the pump body to ensure the purity of the hydrogen and prevent gas pollution. However, when the general filter needs to be cleaned, it must be removed from the air inlet and cleaned, which is more troublesome.

[0004] Therefore, in view of the shortcomings of the prior art, it is necessary to provide a self-cleaning filter screen for the circulation port of a hydrogenation circulation pump to solve the shortcomings of the prior art. Utility Model Content

[0005] The purpose of the utility model is to avoid the deficiencies of the prior art and provide a self-cleaning filter screen for the circulation port of a hydrogenation circulation pump. The self-cleaning filter screen for the circulation port of the hydrogenation circulation pump is installed by installing a filter screen housing, and a base is fixedly installed on the inner wall of the filter screen housing. Four groups of support platforms and four rebound components are installed on the base. The rebound component is connected to the filter screen frame. An electromagnet component is installed inside the support platform. The compression of the filter screen frame is controlled by energizing the electromagnet component. The de-energization of the electromagnet component causes the rebound component to rebound and drive the filter screen frame to vibrate, thereby realizing self-cleaning of the self-cleaning filter screen.

[0006] The above-mentioned purpose of the utility model is achieved through the following technical means.

[0007] Provided is a self-cleaning filter screen for a circulation port of a hydrogenation circulation pump. The self-cleaning filter screen is installed at the air inlet of a pump body and comprises a filter screen housing. A base is fixedly installed on the inner inner wall of the filter screen housing, four groups of supporting platforms are fixedly installed on the top of the base, an electromagnet assembly is fixedly installed inside the supporting platform, four rebound assemblies are fixedly installed on the top of the base, the rebound assembly is located between each supporting platform, the rebound assembly is fixedly connected to a filter screen frame, a first filter screen is fixedly installed inside the filter screen frame, a sliding cover is fixedly connected to the side of the filter screen frame, and a dust collection duct is provided on the side of the filter screen housing.

[0008] Specifically, a slide groove is provided at the bottom of the sliding cover, a slide rail is fixedly installed inside the filter housing, and a dust collecting hole is provided at one end of the sliding cover.

[0009] Specifically, the electromagnet assembly comprises an electromagnet body, a heat-conducting shell is installed outside the electromagnet body, and a heat sink is fixedly connected to the outside of the heat-conducting shell.

[0010] Specifically, the rebound component includes a spring and a positioning rod, the spring is wound around the positioning rod, and the positioning rod is a telescopic rod structure.

[0011] Furthermore, the dust collecting pipe includes a pipe body, a pipe mouth of the pipe body is threadedly connected to a sealing cover, a bearing is embedded in the top of the sealing cover, the bearing is fixedly connected to a round cap, the round cap is fixedly connected to one end of a U-shaped band, and the other end of the U-shaped band is fixedly connected to the side of the dust collecting pipe.

[0012] The utility model installs an electromagnet assembly inside the self-cleaning filter screen, controls the displacement of the first filter screen and the second filter screen by turning on and off the power of the electromagnet assembly, generates vibration, shakes off the dust and other pollutants on the surfaces of the first filter screen and the second filter screen, and realizes self-cleaning of the self-cleaning filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention is further described with reference to the accompanying drawings, but the contents in the accompanying drawings do not constitute any limitation to the present invention.

[0014] Figure 1 The utility model is a schematic diagram of the installation position of a self-cleaning filter screen at a circulation port of a hydrogenation circulation pump.

[0015] Figure 2 The utility model is a schematic diagram of the structure of a self-cleaning filter screen at a circulation port of a hydrogenation circulation pump in an energized state.

[0016] Figure 3 The utility model is a cross-sectional structural schematic diagram of a self-cleaning filter screen at a circulation port of a hydrogenation circulation pump in an energized state.

[0017] Figure 4 The utility model is a schematic diagram of the structure of a self-cleaning filter screen at a circulation port of a hydrogenation circulation pump in a power-off state.

[0018] Figure 5 The utility model is a schematic diagram of the cross-sectional structure of a self-cleaning filter screen at a circulation port of a hydrogenation circulation pump in a power-off state.

[0019] Figure 6 The utility model is a schematic diagram of the enlarged structure of a sliding cover of a self-cleaning filter screen of a circulation port of a hydrogenation circulation pump.

[0020] from Figures 1 to 6 Including:

[0021] 1. Filter housing;

[0022] 2. Base;

[0023] 3. Support platform;

[0024] 4. Rebound component;

[0025] 41. spring, 42. positioning rod;

[0026] 5. Filter frame;

[0027] 6. The first filter;

[0028] 7. Electromagnet assembly;

[0029] 71. electromagnet body, 72. heat-conducting housing, 73. heat sink;

[0030] 8. Sliding cover;

[0031] 81. cover body, 82. slide groove, 83. slide rail, 84. dust collecting hole;

[0032] 9. Dust collection duct;

[0033] 91. Sealing cover, 92. Round cap, 93. U-shaped drawstring, 94. Tube body;

[0034] 10. Second filter;

[0035] 11. Pump body. DETAILED DESCRIPTION

[0036] The utility model is further described in conjunction with the following embodiments.

[0037] Example 1.

[0038] like Figure 1-6 As shown, a self-cleaning filter screen for the circulation port of a hydrogenation circulation pump is installed at the air inlet of the pump body 11, as shown in FIG. Figure 3 As shown, the self-cleaning filter screen includes a filter screen housing 1, a base 2 is fixedly installed inside the filter screen housing 1, four groups of support platforms 3 are fixedly installed on the top of the base 2, and an electromagnet assembly 7 is fixedly installed inside the support platform 3.

[0039] The outer shell of the electromagnet assembly 7 is a heat-conducting outer shell 72, and the outside of the heat-conducting outer shell 72 is fixedly connected to the heat sink 73. The electromagnet body 71 is in a power-on state, and energy conversion occurs to generate heat. The heat is transferred to the heat sink 73 through the heat-conducting outer shell 72, and the heat sink 73 then transfers the heat to the filter frame 5, and finally to the first filter 6 and the second filter 10, so that the first filter 6 and the second filter 10 generate heat to melt some solidified pollutants.

[0040] One end of four rebound components 4 are fixedly installed on the top of the base 2. The rebound component 4 is located between each supporting platform 3. The rebound component 4 includes a spring 41 and a positioning rod 42. The spring 41 is wound around the positioning rod 42. One end of the spring 41 is fixedly connected to the base 2, and the other end is fixedly connected to the filter frame 5. The positioning rod 42 is a telescopic rod structure. One end of the positioning rod 42 is fixedly connected to the base 2, and the other end is fixedly connected to the filter frame 5. The positioning rod 42 can ensure that the spring 41 will not deviate in other directions.

[0041] The first filter 6 and the second filter 10 are fixedly installed inside the filter frame 5 to enhance the filtering effect. The other side of the filter frame 5 is fixedly connected to the sliding cover 8. A slide groove 82 is provided at the bottom of the sliding cover 8. A slide rail 83 is fixedly installed inside the filter housing 1. The slide groove 82 is correspondingly connected to the slide rail 83. A dust collecting hole 84 is provided at one end of the sliding cover 8. A dust collecting pipe 9 is provided on the side of the filter housing 1. The displacement of the filter frame 5 drives the sliding cover 8 to move. The dust collecting hole 84 moves to coincide with the entrance of the dust collecting pipe 9, so that the dust and other pollutants shaken off by the first filter 6 and the second filter 10 enter the dust collecting pipe 9 through the dust collecting hole 84.

[0042] The dust collecting pipe 9 includes a pipe body 94, the pipe mouth of the pipe body 94 is threadedly connected to the sealing cover 91, the top of the sealing cover 91 is embedded with a bearing, the bearing is fixedly connected to a round cap 92, the round cap 92 is fixedly connected to one end of a U-shaped band 93, the other end of the U-shaped band 93 is fixedly connected to the side of the dust collecting pipe 9, and the sealing cover 91 is connected to the dust collecting pipe 9 through the U-shaped band 93 to prevent the sealing cover 91 from being lost.

[0043] like Figure 3 As shown, at this time, the electromagnet assembly 7 is in a powered state, the electromagnet assembly 7 generates magnetic force to attract the filter frame 5, the filter frame 5 is closely attached to the heat sink 73, and the rebound assembly 4 is in a compressed state.

[0044] like Figure 5 As shown, at this time, the electromagnet assembly 7 is in a power-off state, the magnetic force of the electromagnet 71 disappears, and the rebound assembly 4 rebounds to drive the filter frame 5 to move, so that the first filter 6 and the second filter 10 produce a vibration effect, and the dust and other pollutants on the first filter 6 and the second filter 10 are shaken off. At the same time, the sliding cover 8 moves with the filter frame 5, and the dust collecting hole 84 coincides with the entrance of the dust collecting pipe 9, so that the dust and other pollutants vibrated by the first filter 6 and the second filter 10 enter the dust collecting pipe 9 through the dust collecting hole 84.

[0045] The utility model installs a filter housing 1, a base 2 is installed inside the filter housing 1, four groups of support platforms 3 and four rebound components 4 are installed on the base 2, the rebound component 4 is connected to a filter frame 5, a first filter 6 and a second filter 10 are fixedly installed on the filter frame, an electromagnet component 7 is installed inside the support platform 3, the electromagnet component 7 heats the first filter 6 and the second filter 10 through a heat sink 73, the electromagnet component 7 is powered on to control the compression of the first filter 6 and the second filter 10, the electromagnet component 7 is powered off, the rebound component 4 rebounds to drive the first filter 6 and the second filter 10 to vibrate, shake off dust, and realize self-cleaning of the self-cleaning filter.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit the protection scope of the utility model. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A self-cleaning filter screen for the circulation port of a hydrogenation circulation pump, the self-cleaning filter screen is installed at the air inlet of the pump body, characterized in that: It includes a filter housing, an inner inner wall of the filter housing is fixedly installed with a base, four groups of supporting platforms are fixedly installed on the top of the base, an electromagnet assembly is fixedly installed inside the supporting platform, four rebound assemblies are fixedly installed on the top of the base, the rebound assembly is located between each of the supporting platforms, the rebound assembly is fixedly connected to a filter frame, a first filter is fixedly installed inside the filter frame, a sliding cover is fixedly connected to the top of the filter frame, and a dust collection duct is provided on the side of the filter housing.

2. The self-cleaning filter screen for the circulation port of a hydrogenation circulation pump according to claim 1, characterized in that: The dust collecting pipe comprises a pipe body, a pipe mouth of the pipe body is threadedly connected to a sealing cover, a bearing of the sealing cover is connected to a round cap, the round cap is fixedly connected to one end of a U-shaped band, and the other end of the U-shaped band is fixedly connected to the side of the dust collecting pipe.

3. The self-cleaning filter screen for the circulation port of a hydrogenation circulation pump according to claim 1, characterized in that: A slide groove is provided at the bottom of the sliding cover, a slide rail is fixedly installed inside the filter housing, and a dust collecting hole is provided at one end of the sliding cover.

4. The self-cleaning filter screen for the circulation port of a hydrogenation circulation pump according to claim 1, characterized in that: The electromagnet assembly comprises an electromagnet body, a heat-conducting shell is installed on the outside of the electromagnet body, and a heat sink is fixedly connected to the outside of the heat-conducting shell.

5. The self-cleaning filter screen for the circulation port of a hydrogenation circulation pump according to claim 1, characterized in that: The rebound component comprises a spring, and the spring is wound around a positioning rod, and the positioning rod is a telescopic rod structure.

6. The self-cleaning filter screen for the circulation port of a hydrogenation circulation pump according to claim 1, characterized in that: A second filter is installed inside the filter frame.

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