Filtering and purifying equipment with good sealing effect

Abstract

The utility model discloses filtering and purifying equipment with a good sealing effect, which comprises a box body, one side of the box body is communicated with an air inlet pipe, the other side of the box body is communicated with a first connecting pipe, the other end of the first connecting pipe is communicated with a shell, the outer part of the shell is provided with a backflow assembly, the outer part of the shell is communicated with an air exhaust pipe, and the air exhaust pipe is communicated with an air outlet. A control assembly is arranged outside the box body, a sealing assembly is arranged at the top of the box body, a filtering and purifying device is arranged in the box body, through the arranged structure, hydrogen can be filtered and purified, meanwhile, purity detection can be conducted on the filtered and purified hydrogen, and if the purity of the hydrogen is not qualified, the hydrogen can be filtered and purified. Hydrogen is conveyed to the gas inlet pipe for secondary filtration and purification, meanwhile, a worker can replace the filtration and purification device conveniently, meanwhile, the sealing performance between the box cover and the box body is guaranteed, and then the worker can use the filtration and purification device conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen gas filtration purification technical field especially relates to a filter purification equipment with good sealing effect. BACKGROUND

[0002] Hydrogen is a kind of element formed by hydrogen element, chemical formula H2, molecular weight is 2.01588. At normal temperature and pressure, hydrogen is a kind of colorless, odorless, odorless, non-toxic, extremely flammable and difficult to dissolve in water gas. The density of hydrogen is 0.089g / L (101.325kpa, 0 DEG C), about 1 / 14 of air, is the smallest density gas known, hydrogen filtration purification is a complex process, it involves a variety of technologies and methods, aims at removing impurities from hydrogen containing impurities to obtain high-purity hydrogen.

[0003] The existing hydrogen filtration purification equipment cannot detect the purity of hydrogen filtered and purified when in use, and the staff cannot know whether the purity of hydrogen is qualified, if the purity of hydrogen is unqualified, secondary filtration and purification operation is needed, unnecessary workload of the staff is increased, and the staff is inconvenient to use, therefore, the filter purification equipment with good sealing effect is provided. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a filter purification equipment with good sealing effect for solving the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A filter purification equipment with good sealing effect, including the box, the one side of box is connected with the air inlet pipe, the other side of box is connected with the first connecting pipe, the other end of first connecting pipe is connected with the shell, the outside of shell is provided with the backflow assembly, the outside of shell is connected with the exhaust pipe, the outside of box is provided with the control assembly, the top of box is provided with the sealing assembly, the inside of box is provided with the filter purification device.

[0007] Preferably, the backflow assembly includes a second connecting pipe connected to one side of the shell, the other end of the second connecting pipe is connected to the outside of the air inlet pipe, the inside of the shell is provided with a hydrogen purity detector.

[0008] Preferably, the control assembly includes a first solenoid valve arranged outside the air inlet pipe, a second solenoid valve arranged outside the exhaust pipe, and a third solenoid valve arranged outside the second connecting pipe.

[0009] Preferably, the sealing assembly comprises a sealing shell fixedly connected to the outside of the box body, the inside of the sealing shell is made of sealing rubber, and the inside of the sealing shell is provided with a box cover, and the top of the box cover is fixedly connected with a handle.

[0010] Preferably, the inner wall of the box body is provided with a clamping groove in the bottom, and the filter purification device is clamped in the clamping groove, and the inside of the filter purification device is provided with activated carbon and a drying agent.

[0011] Preferably, the filter purification device is provided with a plurality of through holes on both sides, and the through holes are distributed at equal distances.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: firstly, hydrogen is delivered to the inside of the box body through the gas inlet pipe, the hydrogen is filtered and purified through the filter purification device, the hydrogen filtered and purified is delivered into the inside of the shell through the first connecting pipe, the purity of the hydrogen is detected through the hydrogen purity detector, when the detection is qualified, the second electromagnetic valve is opened, the hydrogen is discharged through the gas outlet pipe, when the detection is unqualified, the second electromagnetic valve is closed, the third electromagnetic valve is opened, the hydrogen is delivered to the gas inlet pipe through the second connecting pipe, so as to be filtered and purified again, through the above structure, the hydrogen can be filtered and purified, and the purity of the hydrogen filtered and purified can be detected, if the purity of the hydrogen is unqualified, the hydrogen is delivered to the gas inlet pipe to be filtered and purified again.

[0013] When the filter purification device needs to be replaced, the handle is held and pulled first, so as to drive the box cover away from the sealing shell, at this time, the box body can be opened, the filter purification device is replaced by the worker, after the replacement is completed, the box cover is inserted into the sealing shell, the box body can be closed, through the sealing shell, the box cover and the box body can be sealed, through the above structure, the filter purification device can be replaced by the worker, and the sealing property between the box cover and the box body is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a sectional structure schematic view of the utility model;

[0016] Figure 3 It is a structure schematic view of the utility model in partial section;

[0017] Figure 4 It is an explosion drawing of the utility model.

[0018] As shown in the figure: 1, box; 2, air inlet pipe; 3, first solenoid valve; 4, first connecting pipe; 5, shell; 6, hydrogen purity detector; 7, exhaust pipe; 8, second solenoid valve; 9, second connecting pipe; 10, third solenoid valve; 11, sealing shell; 12, box cover; 13, handle; 14, clamping groove; 15, filtering and purifying device; 16, through hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Embodiment: refer to Figure 1-4 A filtering and purifying equipment with good sealing effect, comprising a box 1, one side of the box 1 is communicated with an air inlet pipe 2, the other side of the box 1 is communicated with a first connecting pipe 4, the other end of the first connecting pipe 4 is communicated with a shell 5, the outside of the shell 5 is provided with a backflow assembly, the outside of the shell 5 is communicated with an exhaust pipe 7, the outside of the box 1 is provided with a control assembly, the top of the box 1 is provided with a sealing assembly, and the inside of the box 1 is provided with a filtering and purifying device 15.

[0021] Further, the backflow assembly comprises a second connecting pipe 9 communicated with one side of the shell 5, the other end of the second connecting pipe 9 is communicated with the outside of the air inlet pipe 2, and the inside of the shell 5 is provided with a hydrogen purity detector 6. Through the backflow assembly, hydrogen with unqualified purity can be backflowed to the air inlet pipe 2 for secondary filtering and purifying, and through the hydrogen purity detector 6, the purity of hydrogen can be detected.

[0022] Further, the control assembly comprises a first solenoid valve 3 arranged outside the air inlet pipe 2, a second solenoid valve 8 arranged outside the exhaust pipe 7 and a third solenoid valve 10 arranged outside the second connecting pipe 9. Through the control assembly, the flow between the air inlet pipe 2, the exhaust pipe 7 and the second connecting pipe 9 can be controlled.

[0023] Further, the sealing assembly comprises a sealing shell 11 fixedly connected to the outside of the box 1, the inside of the sealing shell 11 is made of sealing rubber, the inside of the sealing shell 11 is provided with a box cover 12, and the top of the box cover 12 is fixedly connected with a handle 13. Through the sealing assembly, the box 1 and the box cover 12 have sealing property.

[0024] Further, the inner wall bottom of the box body 1 is provided with a clamping groove 14, and the filtering and purifying device 15 is clamped in the clamping groove 14. The filtering and purifying device 15 is provided with activated carbon and desiccant. The filtering and purifying device 15 can filter and purify the hydrogen gas. The clamping groove 14 can fix the filtering and purifying device 15.

[0025] Further, the filtering and purifying device 15 is provided with a plurality of through holes 16 on both sides. The through holes 16 are equidistantly distributed. The through holes 16 can make the hydrogen gas enter the filtering and purifying device 15, and the hydrogen gas in the filtering and purifying device 15 can be discharged.

[0026] In use, the hydrogen gas is first sent into the box body 1 through the gas inlet pipe 2. The hydrogen gas is filtered and purified by the filtering and purifying device 15. The filtering and purifying device 15 is provided with activated carbon and desiccant, so as to complete the filtering and purifying work. The filtered and purified hydrogen gas enters the shell 5 through the first connecting pipe 4. The hydrogen gas purity detector 6 can detect the purity of the hydrogen gas. When the detection is qualified, the second electromagnetic valve 8 is opened, and the hydrogen gas is discharged through the gas outlet pipe 7. When the detection is unqualified, the second electromagnetic valve 8 is closed, and the third electromagnetic valve 10 is opened. The hydrogen gas is sent into the gas inlet pipe 2 through the second connecting pipe 9, so as to be filtered and purified again. The above structure can filter and purify the hydrogen gas, and can also detect the purity of the filtered and purified hydrogen gas. If the hydrogen gas is unqualified, the hydrogen gas is sent into the gas inlet pipe 2 to be filtered and purified again.

[0027] When the filtering and purifying device needs to be replaced, the handle 13 is first held and pulled, so as to drive the box cover 12 away from the sealing shell 11. At this time, the box body 1 can be opened. The filtering and purifying device is replaced by the worker. After the replacement is completed, the box cover 12 is inserted into the sealing shell 11, so as to close the box body 1. The sealing shell 11 can seal the box cover 12 and the box body 1. The above structure can facilitate the worker to replace the filtering and purifying device, and can also ensure the sealing between the box cover 12 and the box body 1.

[0028] It should be noted that, in the present text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0029] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

[0030] The scope of the application is defined by the appended claims and their equivalents.

Claims

1. A filtration and purification device with good sealing effect, comprising a housing (1), characterized in that, One side of the housing (1) is connected to an air inlet pipe (2), and the other side of the housing (1) is connected to a first connecting pipe (4). The other end of the first connecting pipe (4) is connected to a housing (5). A reflux assembly is provided on the outside of the housing (5). An exhaust pipe (7) is connected to the outside of the housing (5). A control assembly is provided on the outside of the housing (1). A sealing assembly is provided on the top of the housing (1). A filtration and purification device (15) is provided inside the housing (1).

2. The filtration and purification equipment with good sealing effect according to claim 1, characterized in that, The reflux assembly includes a second connecting pipe (9) connected to one side of the housing (5), the other end of the second connecting pipe (9) being connected to the outside of the air inlet pipe (2), and a hydrogen purity detector (6) being installed inside the housing (5).

3. The filtration and purification equipment with good sealing effect according to claim 2, characterized in that, The control assembly includes a first solenoid valve (3) disposed outside the intake pipe (2), a second solenoid valve (8) disposed outside the exhaust pipe (7), and a third solenoid valve (10) disposed outside the second connecting pipe (9).

4. The filtration and purification equipment with good sealing effect according to claim 1, characterized in that, The sealing assembly includes a sealing shell (11) fixedly connected to the outside of the box (1). The inner material of the sealing shell (11) is sealing rubber. A box cover (12) is provided inside the sealing shell (11). A handle (13) is fixedly connected to the top of the box cover (12).

5. The filtration and purification equipment with good sealing effect according to claim 1, characterized in that, The bottom of the inner wall of the box (1) is provided with a slot (14), and the filtration and purification device (15) is snapped into the inside of the slot (14). The inside of the filtration and purification device (15) is provided with activated carbon and desiccant.

6. The filtration and purification equipment with good sealing effect according to claim 1, characterized in that, The filtration and purification device (15) has through holes (16) on both sides, and there are multiple through holes (16) distributed at equal intervals.

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