CN216200820U

CN216200820U - Hydrogen purification integrated control valve

Info

Publication number: CN216200820U
Application number: CN202122495205.XU
Authority: CN
Inventors: 郭国忠
Original assignee: Kingdream PLC; Sinopec Oilfield Equipment Corp
Current assignee: Sinopec Oilfield Equipment Corp
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-05
Anticipated expiration: 2031-10-15

Abstract

The application relates to a hydrogen purification integrated control valve belongs to hydrogen purification technical field, includes: the stator is provided with a plurality of valve seat holes which penetrate through the upper end surface and the lower end surface of the stator and are arranged in a circumferential manner, and the side wall of the stator is also provided with stator vent holes communicated with the valve seat holes; the end cover comprises a first end cover and a second end cover, wherein the first end cover is positioned above the stator and forms an upper cavity with the stator, the second end cover is positioned below the stator and forms a lower cavity with the stator, a first vent hole is formed in the first end cover, and a second vent hole is formed in the second end cover; and a rotor including a first rotor positioned in the upper chamber and connecting or disconnecting any one or more valve seat holes to or from the first ventilation hole, and a second rotor positioned in the lower chamber and connecting or disconnecting any one or more valve seat holes to or from the second ventilation hole. The equipment manufacturing cost is reduced, the equipment structure is compact, the occupied area is greatly reduced, the equipment can be prized, and the field installation difficulty is greatly reduced.

Description

Hydrogen purification integrated control valve

Technical Field

The application relates to the technical field of hydrogen purification, in particular to a hydrogen purification integrated control valve.

Background

The hydrogen energy is a clean energy source for replacing fossil energy in the future, is used for a hydrogen fuel cell, is converted into electric energy through the hydrogen fuel cell to drive a motor, and provides power for various automobiles. Hydrogen is used in fuel cells to achieve higher purity and therefore is purified prior to injection into the fuel cell, a complex adsorption process.

In the conventional hydrogen purification device, the control valve for switching the process flow is a control valve with a single channel, generally, nine purification devices of adsorption tanks need dozens of control valves to form a control valve group to control the switching of the process flow, and the device has the following defects: the equipment cost is high, the floor area is large, and the field installation and construction are difficult.

Disclosure of Invention

The embodiment of the application provides hydrogen purification integrated control valve to solve among the correlation technique hydrogen purification device and adopt the control valve of single passageway, lead to equipment cost height, area big, the difficult problem of site erection construction.

The embodiment of the application provides hydrogen purification integrated control valve includes:

the stator is provided with a plurality of valve seat holes which penetrate through the upper end surface and the lower end surface of the stator and are arranged in a circumferential manner, and the side wall of the stator is also provided with stator vent holes communicated with the valve seat holes;

the end cover comprises a first end cover and a second end cover, wherein the first end cover is positioned above the stator and forms an upper cavity with the stator, the second end cover is positioned below the stator and forms a lower cavity with the stator, a first vent hole is formed in the first end cover, and a second vent hole is formed in the second end cover;

and the rotor comprises a first rotor which is positioned in the upper chamber and connects or disconnects any one or more valve seat holes with the first vent hole, and a second rotor which is positioned in the lower chamber and connects or disconnects any one or more valve seat holes with the second vent hole.

In some embodiments: the first rotor is provided with a plurality of first rotor vent holes which penetrate through the upper end surface and the lower end surface of the first rotor and are connected with or disconnected from the valve seat holes, and the second rotor is provided with a plurality of second rotor vent holes which penetrate through the upper end surface and the lower end surface of the second rotor and are connected with or disconnected from the valve seat holes.

In some embodiments: a plurality of pressure equalizing blind holes are formed in one end, close to the stator, of the first rotor, and at least two pressure equalizing blind holes in the pressure equalizing blind holes are communicated with each other.

In some embodiments: one end of the valve seat hole close to the first rotor is provided with a first valve seat in sliding connection with the first rotor, one end of the valve seat hole close to the second rotor is provided with a second valve seat in sliding connection with the second rotor, and the first valve seat and the second valve seat are both of pipe body structures.

In some embodiments: the valve seat hole is internally provided with a valve seat spring for pushing the first valve seat and the first rotor to be in sealing fit and pushing the second valve seat and the second rotor to be in sealing fit, and the first valve seat, the second valve seat and the valve seat hole are all in sealing connection through a sealing ring.

In some embodiments: still including driving first rotor and the synchronous rotary motion's of second rotor valve rod, the valve rod penetrates first end cover and stator and is connected with first end cover and the coaxial rotation of stator through the sealing member, the valve rod penetrate first rotor and with the coaxial fixed connection of first rotor and second rotor.

In some embodiments: the valve rod is connected with the first rotor through a spline or a flat key, the bottom of the valve rod is fixedly connected with the second rotor through a flange, the stator is connected with the valve rod through a radial bearing, the first rotor is connected with the first end cover through a first thrust bearing, and the second rotor is connected with the second end cover through a second thrust bearing.

In some embodiments: the sealing element comprises a packing filled between the first end cover and the valve rod and between the stator and the valve rod, and a packing compression ring, a belleville spring and a packing gland which compress the packing.

In some embodiments: the top of stator is equipped with the first barrel with first end cover sealing connection, the both ends of first barrel are respectively through sealing washer and stator and first end cover sealing connection, the bottom of stator is equipped with the second barrel with second end cover sealing connection, the both ends of second barrel are respectively through sealing washer and stator and second end cover sealing connection.

In some embodiments: the upper end face and the lower end face of the stator are respectively provided with a plurality of threaded holes which are circumferentially arranged, the first end cover and the second end cover are respectively provided with a plurality of through holes matched with the threaded holes, and the first end cover and the second end cover are respectively connected with the stator through bolts.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a hydrogen purification integrated control valve, and the hydrogen purification integrated control valve is provided with a stator, wherein the stator is provided with a plurality of valve seat holes which penetrate through the upper end surface and the lower end surface of the stator and are arranged in a circumferential manner, and the side wall of the stator is also provided with stator vent holes communicated with the valve seat holes; the end cover comprises a first end cover and a second end cover, wherein the first end cover is positioned above the stator and forms an upper cavity with the stator, the second end cover is positioned below the stator and forms a lower cavity with the stator, a first vent hole is formed in the first end cover, and a second vent hole is formed in the second end cover; and a rotor including a first rotor positioned in the upper chamber and connecting or disconnecting any one or more valve seat holes to or from the first ventilation hole, and a second rotor positioned in the lower chamber and connecting or disconnecting any one or more valve seat holes to or from the second ventilation hole.

Therefore, the hydrogen purification integrated control valve of this application has set up rotatable first rotor and second rotor respectively at the upper and lower both ends of stator, and with arbitrary one or more valve seat hole and first air vent switch-on or disconnection during first rotor rotary motion, with arbitrary one or more valve seat hole and second air vent switch-on or disconnection during second rotor rotary motion to realize the switch-on or disconnection of first air vent and second air vent with the valve seat hole respectively, reach with this and integrate a plurality of single control valves and control the switch of a plurality of air vent passageways on this application integrated control valve. The equipment manufacturing cost is reduced, the equipment structure is compact, the occupied area is greatly reduced, the equipment can be prized, and the field installation difficulty is greatly reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a perspective view of the structure of an embodiment of the present application;

FIG. 2 is a top view of a structure according to an embodiment of the present application;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 6 is a perspective view of a stator structure according to an embodiment of the present application;

FIG. 7 is a top view of a stator structure according to an embodiment of the present application;

FIG. 8 is a cross-sectional view taken along line C-C of FIG. 7;

FIG. 9 is an enlarged view of a portion of FIG. 8 at B;

fig. 10 is a structural perspective view of a first rotor of the embodiment of the present application;

FIG. 11 is a perspective view of a first rotor according to another embodiment of the present application;

FIG. 12 is a perspective view of a second rotor according to another embodiment of the present application;

FIG. 13 is a top plan view of a first rotor according to another embodiment of the present application;

FIG. 14 is a cross-sectional view taken along line D-D of FIG. 13;

fig. 15 is a structural perspective view of a second rotor of the embodiment of the present application;

FIG. 16 is a top view of a second rotor according to an embodiment of the present application;

fig. 17 is a sectional view taken along the direction E-E in fig. 16.

Reference numerals:

1. a stator; 11. a valve seat bore; 12. a stator vent; 13. a radial bearing; 14. a stator center hole; 15. a threaded hole; 16. a first valve seat; 17. a second valve seat; 18. a valve seat spring;

2. a first end cap; 21. a first vent hole; 22. an upper chamber; 23. a first thrust bearing;

3. a second end cap; 31. a second vent hole; 32. a lower chamber; 33. a second thrust bearing;

4. a first rotor; 41. a first rotor vent; 42. a first rotor center bore; 43. a first thrust bearing mounting groove; 44. a pressure equalizing blind hole;

5. a second rotor; 51. a second rotor vent; 52. a second thrust bearing mounting groove; 53. mounting holes for the flange plate;

6. a valve stem; 61. a flange; 62. a flat bond; 63. a filler; 64. packing and pressing a ring; 65. a belleville spring; 66. a packing gland; 67. a screw;

7. a first cylinder; 8. a second cylinder; 9. and (4) bolts.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all 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 application.

The embodiment of the application provides a hydrogen purification integrated control valve, and it can solve among the correlation technique hydrogen purification device and adopt the control valve of single passageway, leads to equipment cost height, area big, the difficult problem of site erection construction.

Referring to fig. 1 to 3 and fig. 5 and 6, an embodiment of the present application provides a hydrogen purification integrated control valve, including:

stator 1, this stator 1 are the cylinder structure, all are equipped with annular boss at stator 1's upper and lower both ends, are equipped with on stator 1's annular boss and run through its upper and lower terminal surface and be a plurality of valve seat holes 11 that the circumference was arranged, and the specific quantity of valve seat hole 11 is according to concrete setting, and the valve seat hole 11 of this embodiment is equipped with nine, and nine valve seat holes 11 are arranged along stator 1's circumferencial direction equipartition.

The side wall of the stator 1 is also provided with stator vent holes 12 communicated with the valve seat holes 11, and the opening direction of the stator vent holes 12 is vertical to the opening direction of the valve seat holes 11. The stator vent hole 12 is connected with an adsorption tank of purified hydrogen through a vent pipe, and the stator vent hole 12 is in threaded connection or flange connection with the vent pipe.

The end cover comprises a first end cover 2 and a second end cover 3, wherein the first end cover 2 is located above the stator 1 and forms an upper cavity 22 with the stator 1, the second end cover 3 is located below the stator 1 and forms a lower cavity 32 with the stator, a first vent hole 21 is formed in the first end cover 2, and a second vent hole 31 is formed in the second end cover 3. The first vent hole 21 of the first end cap 2 communicates with the upper chamber 22, and the second vent hole 31 of the second end cap 3 communicates with the lower chamber 32.

And a rotor including a first rotor 4 positioned in the upper chamber 22 and connecting or disconnecting any one or more valve seat holes 11 to or from the first ventilation hole 21, and a second rotor 5 positioned in the lower chamber 32 and connecting or disconnecting any one or more valve seat holes 11 to or from the second ventilation hole 31. The first rotor 4 is rotated in the upper chamber 22 to connect or disconnect any one or more valve seat holes 11 to or from the first ventilation hole 21, thereby switching between the first ventilation hole 21 and the plurality of valve seat holes 11. The second rotor 5 is rotated in the lower chamber 32 to connect or disconnect any one or more of the valve seat holes 11 and the second ventilation hole 31, thereby switching between the second ventilation hole 31 and the valve seat hole 11.

The hydrogen purification integrated control valve of the embodiment of the application has set up rotatable first rotor 4 and second rotor 5 respectively at stator 1's upper and lower both ends, with arbitrary one or more valve seat hole 11 and first air vent 21 switch on or break off during first rotor 4 rotary motion, with arbitrary one or more valve seat hole 11 and second air vent 31 switch on or break off during second rotor 5 rotary motion to realize the switch-on or break-off of first air vent 21 and second air vent 31 with valve seat hole 11 respectively, reach with this and integrate a plurality of single control valves and control the switch of a plurality of air vent passageways on this application integrated control valve. The equipment manufacturing cost is reduced, the equipment structure is compact, the occupied area is greatly reduced, the equipment can be prized, and the field installation difficulty is greatly reduced. The hydrogen purification integrated control valve of this application can regard as raw materials hydrogen admission valve to use, can regard as finished product hydrogen gas outlet valve to use again.

In some alternative embodiments: referring to fig. 5, 10, and 15 to 17, an embodiment of the present invention provides a hydrogen purification integrated control valve, in which a plurality of first rotor vent holes 41 penetrating through upper and lower end surfaces of a first rotor 4 and connected to or disconnected from a plurality of valve seat holes 11 are formed in the first rotor 4, and the first rotor 4 rotates to connect or disconnect the plurality of first rotor vent holes 41 to or from the plurality of valve seat holes 11. The plurality of first rotor vent holes 41 and the plurality of valve seat holes 11 in the embodiment of the present application are located on the same circumference, the number of the first rotor vent holes 41 is less than that of the valve seat holes 11, the specific number and the arrangement position of the first rotor vent holes 41 are specifically set according to actual needs, and five first rotor vent holes 41 in the embodiment of the present application are provided.

The second rotor 5 is provided with a plurality of second rotor ventilation holes 51 penetrating through the upper and lower end surfaces thereof and connected to or disconnected from the plurality of valve seat holes 11, and the second rotor ventilation holes 51 are connected to or disconnected from the plurality of valve seat holes 11 by a rotational motion. The plurality of second rotor vent holes 51 and the plurality of valve seat holes 11 of this application embodiment are located same circumference, and the quantity of second rotor vent hole 51 is less than the quantity of valve seat hole 11, and the specific quantity and the position of arranging of second rotor vent hole 51 are specifically set for according to actual need, and the second rotor vent hole 51 of this application embodiment is equipped with four.

When the hydrogen purification integrated control valve of the embodiment of the application is used as a raw material hydrogen inlet valve, the second vent hole 31 is used for connecting raw material hydrogen to be purified, and when the second rotor vent hole 51 connects the second vent hole 31 with any one or more valve seat holes 11, the raw material hydrogen sequentially enters the second vent hole 31, the second rotor vent hole 51, the valve seat holes 11 and the stator vent hole 12 and finally enters the adsorption tank for adsorption and purification. When hydrogen is introduced into a valve seat hole 11, the valve seat hole 11 and the first rotor vent hole 41 are in a closed state.

When the hydrogen purification integrated control valve of this application embodiment uses as raw materials hydrogen admission valve, first air vent 21 is used for connecting the desorption gas holder, and when first rotor air vent 41 was put through first air vent 21 and arbitrary one or more valve seat hole 11, the desorption gas that sweeps out from the adsorption tank got into stator air vent 12, valve seat hole 11, first rotor air vent 41, first air vent 21 in proper order and finally got into the desorption gas holder. When a purge gas is introduced into a valve seat hole 11, the valve seat hole 11 and the second rotor ventilation hole 51 are in a closed state.

In some alternative embodiments: referring to fig. 5 and fig. 11 to 14, in the embodiment of the present application, a plurality of pressure equalizing blind holes 44 are further formed in one end of the first rotor 4, which is close to the stator 1, of the hydrogen purification integrated control valve, and at least two pressure equalizing blind holes 44 in the plurality of pressure equalizing blind holes 44 are communicated with each other. This application embodiment is equipped with eight pressure-equalizing blind holes 44, and wherein two pressure-equalizing blind holes 44 are a pair of intercommunication each other, and two pressure-equalizing blind holes 44 of intercommunication each other are used for balanced and two and the interior atmospheric pressure of adsorption tanks of valve seat hole 11 intercommunication when communicating with two valve seat holes 11 respectively.

When the hydrogen purification integrated control valve of this application embodiment used as finished product hydrogen gas outlet valve, finished product hydrogen flowed from the adsorption tank and got into stator air vent 12, valve seat hole 11, second rotor air vent 51 and the final business turn over finished product gas holder of second air vent 31 in proper order. When the two pressure equalizing blind holes 44 which are communicated with each other are respectively communicated with the two valve seat holes 11, the two pressure equalizing blind holes are used for balancing the air pressure in the adsorption tank communicated with the two valve seat holes 11 so as to keep the air pressure in the adsorption tank the same.

In some alternative embodiments: referring to fig. 5 to 9, in the hydrogen purification integrated control valve provided in the embodiments of the present application, a first valve seat 16 slidably connected to the first rotor 4 is disposed at an end, close to the first rotor 4, in the valve seat hole 11, a second valve seat 17 slidably connected to the second rotor 5 is disposed at an end, close to the second rotor 5, in the valve seat hole 11, and both the first valve seat 16 and the second valve seat 17 are of a tubular structure. And a valve seat spring 18 for pushing the first valve seat 16 to be in sealing fit with the first rotor 4 and pushing the second valve seat 17 to be in sealing fit with the second rotor 5 is arranged in the valve seat hole 11, and the first valve seat 16, the second valve seat 17 and the valve seat hole 11 are in sealing connection through sealing rings.

First valve seat 16 and second valve seat 17 of this application embodiment all are the same thick wall body structure of structure, all open the annular groove of installation sealing washer on the outer wall surface of the cylinder of first valve seat 16 and second valve seat 17, and the annular groove is used for installing "o" type sealing washer, makes and forms sealedly between first valve seat 16 and second valve seat 17 and the valve seat hole 11. The end faces of the first valve seat 16 and the second valve seat 17 are hardened, and after the hardening treatment, the end faces are ground and polished into mirror surfaces, the first valve seat 16 and the sealing surface of the first rotor 4 are paired into hard face-to-face seal, and the second valve seat 17 and the sealing surface of the second rotor 5 are paired into hard face-to-face seal.

The first valve seat 16 and the second valve seat 17 can also be made of hard alloy materials, and the end surfaces of the first valve seat 16 and the second valve seat 17 are directly ground and polished to form sealing surfaces; or the end surfaces of the first valve seat 16 and the second valve seat 17 are designed to be provided with mounting grooves for mounting sealing elements on the end surfaces contacted with the first rotor 4 and the second rotor 5, wear-resistant elastic sealing materials are mounted in the mounting grooves, and the elastic sealing materials and the sealing surfaces of the first rotor 4 and the second rotor 5 form surface-to-surface soft sealing.

The valve seat spring 18 in the embodiment of the present application may be a belleville spring, or may be a wave spring or a cylindrical spring, the valve seat spring 18 is used to provide a sealing pre-tightening force to the first valve seat 16 and the second valve seat 17, maintain the first valve seat 16 and the second valve seat 17 to be reliably contacted with the first rotor 4 and the second rotor 5 after being worn, and form a gas passage with a high matching height with the valve seat hole 11 of the stator 1 through rotation energy of the first rotor 4 and the second rotor 5.

The contact surfaces of the first rotor 4 and the second rotor 5 with the first valve seat 16 and the second valve seat 17 are hardened, after the hardening of the contact surfaces of the first rotor 4 and the second rotor 5, the contact surfaces are machined into a mirror surface capable of forming air tightness by processing modes such as plane grinding, grinding and polishing, the first rotor 4 is matched with the first valve seat 16 to form a surface-to-surface hard seal, and the second rotor 5 is matched with the second valve seat 17 to form a surface-to-surface hard seal.

In some alternative embodiments: referring to fig. 3 to 8 and 9 to 17, the embodiment of the present application provides a hydrogen purification integrated control valve, which further includes a valve rod 6 for driving the first rotor 4 and the second rotor 5 to synchronously rotate, the valve rod 6 penetrates through the first end cap 2 and the stator 1 and is coaxially and rotatably connected with the first end cap 2 and the stator 1 through a sealing member, and the valve rod 6 penetrates through the first rotor 4 and is coaxially and fixedly connected with the first rotor 4 and the second rotor 5.

Set up the first end cover centre bore that penetrates valve rod 6 on first end cover 2, valve rod 6 is in the first end cover centre bore free rotation of first end cover 2. The stator 1 is provided with a stator center hole 14 penetrating the valve rod 6, and the valve rod 6 freely rotates in the stator center hole 14 of the stator 1. A radial bearing 13 is arranged in the stator central hole 14 and is rotatably connected with the valve rod 6, and the radial bearing 13 provides radial positioning for the valve rod 6 to rotate in the stator central hole 14, so that the first rotor 4 and the second rotor 5 only have a rotation freedom degree in the upper chamber 22 and the lower chamber 32.

The first rotor 4 is provided with a first rotor center hole 42 penetrating the valve rod 6, a key groove matched with the valve rod 6 is arranged in the first rotor center hole 42, the valve rod 6 is connected with the first rotor 4 through a flat key 62, and the valve rod 6 and the first rotor 4 can be connected through a spline to transmit the torque of the valve rod 6. The bottom of the valve rod 6 is fixedly connected with the second rotor 5 through a flange 61, the upper end face of the second rotor 5 is provided with a flange mounting hole 53 matched with the flange 61, a threaded hole connected with the flange 61 is formed in the flange mounting hole 53, and the flange 61 is in threaded connection with the threaded hole in the flange mounting hole 53 through a bolt.

The end of the first rotor 4 close to the first end cover 2 is provided with a first thrust bearing installation groove 43 for installing the first thrust bearing 23, the first rotor 4 is rotatably connected with the first end cover 2 through the first thrust bearing 23, and the first thrust bearing 23 is used for limiting the axial degree of freedom of the first rotor 4. One end of the second rotor 5 close to the second end cap 3 is provided with a second thrust bearing installation groove 52 for installing the second thrust bearing 33, the second rotor 5 is rotatably connected with the second end cap 3 through the second thrust bearing 33, and the second thrust bearing 33 is used for limiting the axial degree of freedom of the second rotor 5.

In some alternative embodiments: referring to fig. 3 and 4, the embodiment of the present application provides a hydrogen purification integrated control valve whose sealing member includes packing 63 filled between the first end cap 2 and the valve rod 6 and between the stator 1 and the valve rod 6, and a packing ring 64, a belleville spring 65 and a packing gland 66 that press the packing 63. The seal between the first end cap 2 and the valve stem 6 is of the same construction as the seal between the stator 1 and the valve stem 6. A seal between the first end cap 2 and the valve stem 6 is used to prevent gas leakage in the upper chamber 22 and a seal between the stator 1 and the valve stem 6 is used to prevent gas leakage in the lower chamber 32.

In the embodiment of the present application, a sealing member installed between the first end cap 2 and the valve rod 6 is taken as an example, an annular gap for accommodating the packing 63 is provided between the first end cap center hole of the first end cap 2 and the valve rod 6, the packing material is filled in the annular gap, a packing ring 64 for compressing the packing 63 is provided on the top of the packing 63, a belleville spring 65 for elastically supporting the packing ring 64 is provided on the top of the packing ring 64, a packing cover 66 for compressing the belleville spring 65 is provided on the top of the belleville spring 65, and the packing cover 66 is fixedly connected to the top of the first end cap 2 through a screw 67. When the filler 63 is abraded, the pretightening force of the filler 63 is automatically compensated by the elasticity of the belleville spring 65, so that the sealing performance of the filler 63 is ensured to be effective for a long time.

In some alternative embodiments: referring to fig. 1, 7 and 8, the embodiment of the present application provides an integrated control valve for hydrogen purification, where a first cylinder 7 hermetically connected to a first end cap 2 is disposed on the top of a stator 1 of the integrated control valve for hydrogen purification, and two ends of the first cylinder 7 are hermetically connected to the stator 1 and the first end cap 2 through sealing rings, respectively. The bottom of stator 1 is equipped with the second barrel 8 with second end cover 3 sealing connection, and the both ends of second barrel 8 are respectively through sealing washer and stator 1 and second end cover 3 sealing connection. The first cylinder 7 and the second cylinder 8 are both circular cylinder structures with the same structure.

The upper end face and the lower end face of the stator 1 are respectively provided with a plurality of threaded holes 15 which are circumferentially arranged, the first end cover 2 and the second end cover 3 are respectively provided with a plurality of through holes matched with the threaded holes 15, and the first end cover 2 and the second end cover 3 are respectively connected with the stator 1 through bolts 9. The first end cover 2 is connected with the stator 1 through a bolt 9 to clamp and fix the first cylinder 7 between the first end cover 2 and the stator 1; the second end cover 3 is connected with the stator 1 through a bolt 9 to clamp and fix the second cylinder 8 between the second end cover 3 and the stator 1.

Principle of operation

The embodiment of the application provides a hydrogen purification integrated control valve, because the hydrogen purification integrated control valve of the application is provided with a stator 1, a plurality of valve seat holes 11 which penetrate through the upper end surface and the lower end surface of the stator 1 and are arranged in a circumferential manner are arranged on the stator 1, and stator vent holes 12 which are communicated with the valve seat holes 11 are also arranged on the side wall of the stator 1; the end cover comprises a first end cover 2 and a second end cover 3, wherein the first end cover 2 is positioned above the stator 1 and forms an upper cavity 22 with the stator 1, the second end cover 3 is positioned below the stator 1 and forms a lower cavity 32 with the stator 1, a first vent hole 21 is formed in the first end cover 2, and a second vent hole 31 is formed in the second end cover 3; and a rotor including a first rotor 4 positioned in the upper chamber 22 and connecting or disconnecting any one or more valve seat holes 11 to or from the first ventilation hole 21, and a second rotor 5 positioned in the lower chamber 32 and connecting or disconnecting any one or more valve seat holes 11 to or from the second ventilation hole 31.

Therefore, the hydrogen purification integrated control valve of the present application has the first rotor 4 and the second rotor 5 which can rotate respectively arranged at the upper end and the lower end of the stator 1, when the first rotor 4 rotates, any one or more valve seat holes 11 and the first vent hole 21 are connected or disconnected, when the second rotor 5 rotates, any one or more valve seat holes 11 and the second vent hole 31 are connected or disconnected, so as to realize the connection or disconnection between the first vent hole 21 and the second vent hole 31 and the valve seat holes 11, thereby achieving the purpose of integrating a plurality of single control valves on the integrated control valve of the present application to control the opening and closing of a plurality of vent channels. The equipment manufacturing cost is reduced, the equipment structure is compact, the occupied area is greatly reduced, the equipment can be prized, and the field installation difficulty is greatly reduced.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be 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 application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Integrated control valve for hydrogen purification, characterized in that it comprises:

the air conditioner comprises a stator (1), wherein a plurality of valve seat holes (11) which penetrate through the upper end surface and the lower end surface of the stator (1) and are arranged in a circumferential manner are formed in the stator (1), and stator vent holes (12) which are communicated with the valve seat holes (11) are further formed in the side wall of the stator (1);

the end cover comprises a first end cover (2) and a second end cover, wherein the first end cover (2) is positioned above the stator (1) and forms an upper cavity (22) with the stator (1), the second end cover (3) is positioned below the stator (1) and forms a lower cavity (32) with the stator (1), a first vent hole (21) is formed in the first end cover (2), and a second vent hole (31) is formed in the second end cover (3);

and a rotor including a first rotor (4) located in the upper chamber (22) and connecting or disconnecting any one or more valve seat holes (11) to or from the first ventilation hole (21), and a second rotor (5) located in the lower chamber (32) and connecting or disconnecting any one or more valve seat holes (11) to or from the second ventilation hole (31).

2. The integrated control valve for hydrogen purification of claim 1, wherein:

the first rotor (4) is provided with a plurality of first rotor vent holes (41) which penetrate through the upper end surface and the lower end surface of the first rotor and are connected with or disconnected from the plurality of valve seat holes (11), and the second rotor (5) is provided with a plurality of second rotor vent holes (51) which penetrate through the upper end surface and the lower end surface of the second rotor and are connected with or disconnected from the plurality of valve seat holes (11).

3. The integrated control valve for hydrogen purification of claim 2, wherein:

one end of the first rotor (4) close to the stator (1) is provided with a plurality of pressure equalizing blind holes (44), and at least two pressure equalizing blind holes (44) in the pressure equalizing blind holes (44) are communicated with each other.

4. The integrated control valve for hydrogen purification of claim 1, wherein:

be close to in valve seat hole (11) the one end of first rotor (4) is equipped with first valve seat (16) with first rotor (4) sliding connection, be close to in valve seat hole (11) the one end of second rotor (5) is equipped with second valve seat (17) with second rotor (5) sliding connection, first valve seat (16) and second valve seat (17) are the body structure.

5. The integrated control valve for hydrogen purification of claim 4, wherein:

be equipped with in valve seat hole (11) and push away first valve seat (16) and first rotor (4) sealing joint and push away valve seat spring (18) that second valve seat (17) and second rotor (5) sealing joint, first valve seat (16), second valve seat (17) all pass through sealing washer sealing connection with valve seat hole (11).

6. The integrated control valve for hydrogen purification of claim 1, wherein:

still including valve rod (6) that drive first rotor (4) and second rotor (5) synchronous revolution, valve rod (6) penetrate first end cover (2) and stator (1) and through sealing member and first end cover (2) and stator (1) coaxial rotation be connected, valve rod (6) penetrate first rotor (4) and with first rotor (4) and the coaxial fixed connection of second rotor (5).

7. The integrated control valve for hydrogen purification of claim 6, wherein:

the valve rod (6) is connected with the first rotor (4) through a spline or a flat key (62), the bottom of the valve rod (6) is fixedly connected with the second rotor (5) through a flange (61), the stator (1) is connected with the valve rod (6) through a radial bearing (13), the first rotor (4) is connected with the first end cover (2) through a first thrust bearing (23), and the second rotor (5) is connected with the second end cover (3) through a second thrust bearing (33).

8. The integrated control valve for hydrogen purification of claim 6, wherein:

the sealing element comprises a packing (63) filled between the first end cover (2) and the valve rod (6) and between the stator (1) and the valve rod (6), and a packing pressing ring (64) for pressing the packing (63), a belleville spring (65) and a packing gland (66).

9. The integrated control valve for hydrogen purification of claim 1, wherein:

the top of stator (1) is equipped with first barrel (7) with first end cover (2) sealing connection, the both ends of first barrel (7) are respectively through sealing washer and stator (1) and first end cover (2) sealing connection, the bottom of stator (1) is equipped with second barrel (8) with second end cover (3) sealing connection, the both ends of second barrel (8) are respectively through sealing washer and stator (1) and second end cover (3) sealing connection.

10. The integrated control valve for hydrogen purification according to claim 1 or 9, wherein:

the upper and lower terminal surface of stator (1) all is equipped with a plurality of screw holes (15) that are the circumference and arrange, first end cover (2) and second end cover (3) all are equipped with a plurality ofly and screw hole (15) complex through-hole, first end cover (2) and second end cover (3) all are connected through bolt (9) with stator (1).