CN218480249U - High heat dissipating hydrogenation machine is with breaking valve - Google Patents

High heat dissipating hydrogenation machine is with breaking valve Download PDF

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Publication number
CN218480249U
CN218480249U CN202222158949.7U CN202222158949U CN218480249U CN 218480249 U CN218480249 U CN 218480249U CN 202222158949 U CN202222158949 U CN 202222158949U CN 218480249 U CN218480249 U CN 218480249U
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valve
valve body
heat exchange
snapping
exchange device
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CN202222158949.7U
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Inventor
张伟鹏
邹帅超
罗学武
吴淑民
陈海涛
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Shanghai Figure Cryogenic Valves Co ltd
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Shanghai Figure Cryogenic Valves Co ltd
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Abstract

The utility model provides a snapping valve for a hydrogenation machine with high heat dissipation performance, which comprises a snapping valve main body, wherein the snapping valve main body comprises a main valve body and a snapping body group, a valve core assembly is arranged inside the main valve body, and a plurality of sealing rings are arranged outside the valve core assembly; the outer wall of the abruption valve main body is provided with a heat exchange device, the heat exchange device is close to the sealing ring, a shell is sleeved outside the heat exchange device, a cavity used for containing the heat exchange device is formed between the shell and the outer wall of the abruption valve main body, an air inlet and an air outlet are respectively formed in the cavity along the two axial ends of the abruption valve main body, the airflow direction in the heat exchange device is the same as that in the abruption valve main body, the heat exchange device comprises a plurality of cooling fins, and the cooling fins are arranged to form a fin structure. The utility model discloses an increase heat transfer device in the snapping valve periphery, finally realize that the valve temperature is reliable operating temperature, guarantee valve seal and operation. Through increase ripple slot type heat radiation fin structure at the outer wall, increased the heat exchange surface, promoted heat exchange efficiency.

Description

High heat dissipating hydrogenation machine is with breaking valve
Technical Field
The utility model relates to mechanical equipment, concretely relates to high heat dissipating hydrogenation machine is with breaking valve.
Background
With the rapid development of the national hydrogen energy industry, various breaking valves are made out like spring bamboo shoots after rain, however, due to the particularity of media and extremely high pressure conditions, products are inevitably accompanied with small problems, such as the low-temperature state of the valve body in the medium circulation state which commonly exists in the existing breaking valves.
The reason why the temperature of the valve body is continuously low is mainly that the flow speed is high in the filling process due to the fact that the medium in the valve body is high in pressure, and the medium temperature is changed due to the fact that the medium changes in the size of a certain drift diameter of a flow channel in the valve, so that the temperature of the valve body is suddenly changed and continuously reduced in the filling process.
The abrupt change and the continuous reduction of the temperature of the valve body lead to the increase of the sealing difficulty of the valve body, and the risks of reducing the strength of structural parts and causing material deformation and brittleness exist, so that the safety risk of the product is improved on the whole.
On the other hand, although the hydrogenation system is provided with a medium temperature control system, the breaking valve is usually arranged between the temperature control system and the hydrogenation port, hydrogen can enter the hydrogenation port after passing through a non-metal sealing hose and a metal breaking valve, and the temperature change of the hydrogen at the section is difficult to predict, thereby further influencing the accuracy of the temperature control system.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a high heat dissipating hydrogenation machine is with breaking valve to solve the problem of above-mentioned at least one kind of technique.
The technical scheme of the utility model is that: the snapping valve for the high-heat-dissipation hydrogenation machine comprises a snapping valve main body and is characterized in that the snapping valve main body comprises a main valve body and a snapping body group, a valve core assembly is arranged inside the main valve body, and a plurality of sealing rings are arranged on the outer side of the valve core assembly;
the outer wall of the abruption valve main body is provided with a heat exchange device, the heat exchange device is close to the sealing ring, a shell is sleeved outside the heat exchange device, the shell and a cavity for accommodating the heat exchange device is formed between the outer wall of the abruption valve main body, the cavity is provided with an air inlet and an air outlet respectively at two axial ends of the abruption valve main body, the air flow direction in the heat exchange device is the same as the air flow direction in the abruption valve main body, the heat exchange device comprises a plurality of radiating fins, and the radiating fins are arranged to form a fin structure.
The utility model discloses an increase heat transfer device in the snapping valve periphery, finally realize the valve temperature at comparatively reliable operating temperature, guarantee valve seal and reliable operation. The heat dissipation area is increased by adding the fin heat dissipation structure outside the outer wall, and the fins are made of materials with high heat conductivity coefficient, so that the heat dissipation efficiency of the valve body in unit time is greatly improved compared with the prior art. The utility model discloses a set up heat transfer device at the temperature that is close to the more direct control sealing washer department of sealing washer department. The direction of the air flow in the heat exchanger is the same as the direction of the air flow in the valve body. The outer surfaces of the parts are all rotary circumferential surfaces, and the processing technology is simple and easy to implement.
Further preferably, a temperature sensor is arranged on the main valve body and is located at the air inlet. According to the temperature that temperature sensor detected and the difference of predetermineeing the temperature, the velocity of flow of adjustment air inlet department, the difference in temperature is big more, and the velocity of flow is fast more. Because the pressure of the working medium is 70MPa, higher temperature fluctuation can be generated in the filling process, the temperature fluctuation can often influence the reliability of sealing, and leakage risk exists. Therefore, the temperature sensor is arranged at the end of the snap-off valve, so that the temperature change of the valve can be monitored at any time
Further preferably, the heat exchange device is arranged at the reducing part of the main valve body. Temperature changes due to changes in flow rate or pressure can be suppressed, and the temperature of the fluid can be further stabilized.
Preferably, the breaking body of the breaking body group extends into the jaw of the main valve body, the jaw is fixed under the limit of the jaw sheath, the main valve body comprises a connecting valve body, the outer wall of the connecting valve body is provided with a connecting shell, and the heat exchange device is arranged at the joint of the jaw sheath and the connecting shell.
The jack catch sheath with connect the outer wall shape of casing and outside air contact regular and the area is wide, optimize the radiating efficiency of the increase valve body that can maximize to its surface.
Preferably, the clamping jaw is provided with a step-shaped structure which is clamped with the breaking body, the clamping jaws are circumferentially arranged along the inner wall of the clamping jaw sheath, the clamping jaw is internally provided with 3 guiding jaws, the clamping jaws and the guiding jaws are distributed at intervals to form a circumference, the main valve body is internally provided with a sliding valve body, and the central axis of the sliding valve body is collinear with the central axis of the breaking body. The jack catch sheath provides spacing support for the jack catch at the outer end circumference, makes jack catch, the complete fastening interlock of breaking body, for making the interlock steady and smooth, has designed in the jack catch and has added the direction claw, and the direction claw main function uses the sliding valve body as the installation benchmark, provides the direction for breaking the valve body through inside circular arc, makes sliding valve body and the realization of breaking the body and keep a position with one heart. In a concentric state, the fastening force generated by tightly gripping and snapping the valve body by the three uniformly distributed clamping claws is more balanced, and the valve body damage and unstable and inclined connection or snapping action possibly caused by uneven stress are avoided.
Preferably, an annular spring is arranged outside the clamping jaw. The jack catch stretches out outside the jack catch sheath, and the jack catch takes place to rotate under annular spring elastic ring effect with the edges and corners of jack catch afterbody design as the fulcrum, opens the jack catch wall automatically.
Further preferably, the connection part of the breaking body and the clamping hoop of the clamping jaw is provided with an inclined plane.
The design of the inclined plane of the snapping valve body enables the snapping action to be relatively smooth, and meanwhile, the sliding damage is reduced by controlling the hardness difference between the snapping valve body and the clamping jaw and the roughness of the contact surface, so that the purpose that the valve body is slightly damaged by the sliding of the inclined plane is achieved, the service life of the snapping valve body is greatly prolonged, and the good removability is achieved.
Preferably, the junction of the breaking body and the main valve body is a joint component, the joint component comprises a left thimble located in the breaking body and a right thimble located in the main valve body, a left movement cavity for movement of the left thimble is arranged in the breaking body, a right movement cavity for movement of the right thimble is arranged in the main valve body, the left movement cavity and the right movement cavity can be communicated with each other, a sealing surface is arranged at the junction of the left thimble and the breaking body, springs for providing power for seat return sealing are arranged on the left thimble and the right thimble, and the left thimble and the right thimble are mutually pressed.
The main valve body and the snap-off body in the snap-off state both have the characteristic of active sealing, namely the two valve bodies are in a one-way valve state in the state, in order to avoid accidents caused by medium leakage, because the snap-off valve generates the snap-off action in the normal work and the rear end of the connecting position of the main valve body and the snap-off body is in a pressure-on state. So the utility model discloses the joint Assembly has following characteristic: in a separation state, the flow channels are in a one-way circulation state; b, opening the flow passages in the connection state, and communicating the flow passages; c, switching the one-way flow state and the passage state of the flow channel to automatically realize the connection and disconnection state.
Preferably, the left thimble and the right thimble are both thimbles with the same structure, and three circulation channels are cut on the guide excircle of the thimble. So as to ensure smooth medium circulation in the connection state.
Preferably, the lengths of the left thimble and the right thimble are both set to be H1, the movement depth of the left thimble is H1, the movement depth of the right thimble is H2, and 2H1 is not less than H1+ H2. Thereby ensuring the normal operation of the connection action of the breaking valve.
It is further preferred, the externally mounted of connecting the valve body has an active switch, active switch is a cam switch, cam switch uses with a slip ejector pin cooperation, the last hexagonal spanner draw-in groove that is equipped with of cam switch, the slip ejector pin acts on a transmission valve body, the transmission valve body is connected with the connector assembly, the outside cover of transmission valve body is equipped with reset spring, connect casing threaded connection one and connect the swivel nut, reset spring with it offsets to connect the swivel nut, connects casing and connects valve body three interconnect.
A cam-based switch structure, a spring-based return seat arrangement is achieved.
Preferably, a non-fixed gasket is arranged between the return spring and the connecting threaded sleeve. The effect of reducing friction between the spring and the connecting threaded sleeve is achieved, and meanwhile, the stability is improved as the connecting threaded sleeve is not loosened and the connection of the threads between the connecting shell and the connecting shell is guaranteed.
Preferably, the cam position of the cam switch is designed on one side of the outer wall of the rotating shaft and is deviated to the central point, the distances between the front and rear image limit points of the cam and the outer circular surface of the switch are L1 and L2 respectively in the linear direction of the movement of the transmission thimble, and the cam switch distance = | L1-L2|.
Through this point, the push switch distance of the breaking valve can be designed more accurately.
Further preferably, the outer wall of the cam switch is provided with a limiting groove. In the whole rotating process, the transmission ejector rod is ensured to be always in contact with the surface of the cam, the cam switch is always limited in the cavity, and the cam switch is prevented from sliding out to be connected with the valve body.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the joint assembly of the present invention;
fig. 3 is a schematic view of a three-dimensional structure of the thimble of the present invention;
FIG. 4 is a schematic view of the junction between the breaking body and the main valve body of the present invention;
FIG. 5 is a schematic structural view of the clamping jaw of the present invention;
fig. 6 is a schematic perspective view of the cam switch of the present invention;
fig. 7 is a cross-sectional view of the cam switch of the present invention.
In the figure: the heat exchanger comprises a main valve body 1, a heat exchange device 2, a temperature sensor 3, a sealing ring 4, a left thimble 5, a right thimble 6, a breaking body 7, a clamping jaw 8, a clamping jaw sheath 9, a ring-shaped spring 10, a sliding valve body 11, a guide jaw 12, a guide excircle 13, a circulation channel 14, a cam switch 15, a limiting groove 16, an air inlet 21, a radiating fin 22, a shell 23 and an air outlet 24.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 7, a snap-off valve for a high heat dissipation property hydrogenation machine comprises a snap-off valve main body, wherein the snap-off valve main body comprises a main valve body 1 and a snap-off body group, a valve core assembly is arranged inside the main valve body, and a plurality of sealing rings 4 are arranged outside the valve core assembly; the outer wall of the abruption valve main body is provided with a heat exchange device 2, the heat exchange device is close to the sealing ring, a shell 23 is sleeved outside the heat exchange device, a cavity for containing the heat exchange device is formed between the shell and the outer wall of the abruption valve main body, an air inlet 21 and an air outlet 24 are respectively arranged at two axial ends of the cavity along the abruption valve main body, the direction of air flow in the heat exchange device is the same as that in the abruption valve main body, the heat exchange device comprises a plurality of cooling fins 22, and the cooling fins are arranged to form a fin structure.
The utility model discloses an increasing heat transfer device in the snapping valve periphery, finally realizing the valve temperature at comparatively reliable operating temperature, guaranteeing valve seal and reliable operation. The heat dissipation area is greatly increased by adding the fin heat dissipation structure outside the outer wall, and the fins are made of materials with high heat transfer coefficients, so that the heat dissipation efficiency of the valve body in unit time is greatly improved compared with the prior art. The utility model discloses a set up heat transfer device at the temperature that is close to the more direct control sealing washer department of sealing washer department. The direction of the air flow in the heat exchanging device is the same as the direction of the air flow in the valve body. The outer surfaces of the parts are all rotary circumferential surfaces, and the processing technology is simple and easy to implement.
Further preferably, a temperature sensor 3 is arranged on the main valve body, and the temperature sensor is located in the direction of the air inlet. According to the temperature that temperature sensor detected and the difference of predetermineeing the temperature, the velocity of flow of adjustment air inlet department, the difference in temperature is big more, and the velocity of flow is big more. Because the pressure of the working medium is 70MPa, higher temperature fluctuation can be generated in the filling process, the temperature fluctuation can often influence the reliability of sealing, and leakage risk exists. Therefore, the temperature sensor is arranged at the end of the snapping valve, and the temperature change of the valve can be monitored at any time
Further preferably, the heat exchange device is arranged at the diameter-variable position of the main valve body. Temperature changes due to changes in flow rate or pressure can be suppressed, and the temperature of the fluid can be further stabilized.
Further preferably, the snap body 7 of the snap body group extends into a jaw 8 of the main valve body, the jaw fixes the snap body under the limit of a jaw sheath 9, the main valve body comprises a connecting valve body, the outer wall of the connecting valve body is provided with a connecting shell, and the heat exchange device is arranged at the joint of the jaw sheath and the connecting shell. The jack catch sheath with connect the outer wall shape rule and the area wide of casing and outside air contact, optimize the radiating efficiency of the increase valve body that can maximize to its surface.
Further preferably, the clamping jaws are provided with step-shaped structures which are clamped with the breaking bodies, the clamping jaws are circumferentially arranged along the outer portions of the sliding valve bodies 11, the clamping jaws are internally provided with guide claws 12, the clamping jaws and the guide claws are respectively provided with 3 clamping jaws and are distributed at intervals to form a circumference, the main valve body is internally provided with the sliding valve body 11, and the central axis of the sliding valve body is collinear with the central axis of the breaking bodies. The circumference of the inner end of the clamping jaw sheath provides limiting support for the clamping jaw, so that the clamping jaw and the snapping body are completely clamped and occluded, and in order to ensure stable and smooth occlusion, the guiding jaw is added in the clamping jaw, is mainly used for providing guiding for the snapping valve body by taking the sliding valve body as an installation reference and through an inner circular arc, and the concentric limiting of the sliding valve body and the snapping body is realized. Under the concentric state, the fastening force generated by tightly gripping and snapping the valve body by the three evenly distributed clamping claws is more balanced, and the valve body damage and the instability and the deflection of connection or snapping action possibly caused by uneven stress are avoided.
Further preferably, a ring-shaped spring 10 is arranged outside the jaw. The jack catch stretches out outside the jack catch sheath, and the jack catch takes place to rotate under annular spring elastic ring effect with the edges and corners of jack catch afterbody design as the fulcrum, opens the jack catch wall automatically.
Further preferably, the clamp connection part of the snap body jaw is an inclined plane. The design of the inclined plane of the snapping valve body enables the snapping action to be relatively smooth, and meanwhile, the sliding damage is reduced by controlling the hardness difference between the snapping valve body and the clamping jaw and the roughness of the contact surface, so that the purpose that the valve body is slightly damaged by the sliding of the inclined plane is achieved, the service life of the snapping valve body is greatly prolonged, and the good removability is achieved.
Preferably, the junction of the breaking body and the main valve body is a joint component, the joint component comprises a left thimble 5 located in the breaking body and a right thimble 6 located in the main valve body, a left movement cavity used for movement of the left thimble is arranged in the breaking body, a right movement cavity used for movement of the right thimble is arranged in the main valve body, the left movement cavity and the right movement cavity can be mutually communicated, a sealing surface is arranged at the junction of the left thimble and the breaking body, springs used for sealing the return seat to provide power are arranged on the left thimble and the right thimble, and the left thimble and the right thimble are mutually pressed. The main valve body and the snap-off body in the snap-off state both have the characteristic of active sealing, namely the two valve bodies are in a one-way valve state in the state, in order to avoid accidents caused by medium leakage, because the snap-off valve generates the snap-off action in the normal work and the rear end of the connecting position of the main valve body and the snap-off body is in a pressure-on state. So the utility model discloses the joint Assembly has following characteristic: in a separation state, the flow channels are in a one-way circulation state; b, opening the flow channels in the connection state, and communicating the flow channels; c, switching the one-way flow state and the passage state of the flow channel to automatically realize the connection and disconnection state.
Preferably, the left thimble and the right thimble are both identical in structure, and three flow channels 14 are cut on the guide excircle 13 of the thimble. So as to ensure smooth medium circulation in the connection state.
Preferably, the lengths of the left thimble and the right thimble are both set to be H1, the movement depth of the left thimble is H1, the movement depth of the right thimble is H2, and 2H1 is less than or equal to H1+ H2. Thereby ensuring the normal operation of the connection action of the breaking valve.
Further preferably, the externally mounted who connects the valve body has an active switch, and active switch is a cam switch 15, and cam switch uses with a slip ejector pin cooperation, is equipped with hexagonal spanner draw-in groove on the cam switch, and the slip ejector pin acts on a transmission valve body, and the transmission valve body is connected with the coupling subassembly, and the outside cover of transmission valve body is equipped with reset spring, connects a casing threaded connection and connects the swivel nut, and reset spring offsets with connecting the swivel nut, connects casing and connects valve body three interconnect. A cam-based switch structure, a spring-based return seat arrangement is achieved.
Further preferably, a non-fixed gasket is arranged between the return spring and the connecting threaded sleeve. The effect of reducing friction between the spring and the connecting threaded sleeve is achieved, and meanwhile the connection of the threads between the connecting threaded sleeve and the connecting shell is guaranteed not to loosen, and the stability is improved.
Preferably, the cam position of the cam switch is designed on one side of the outer wall of the rotating shaft and is deviated to the central point, the distances between the front and rear image limit points of the cam and the outer circular surface of the switch are L1 and L2 respectively in the linear direction of the movement of the transmission thimble, and the cam switch distance = | L1-L2|. Through the point, the push switch distance of the breaking valve can be designed more accurately.
Further preferably, the outer wall of the cam switch is provided with a limiting groove 16. In the whole rotating process, the transmission ejector rod is ensured to be always in contact with the surface of the cam, the cam switch is always limited in the cavity, and the cam switch is prevented from sliding out to be connected with the valve body.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The snapping valve for the high-heat-dissipation hydrogenation machine comprises a snapping valve main body and is characterized in that the snapping valve main body comprises a main valve body and a snapping body group, a valve core assembly is arranged inside the main valve body, and a plurality of sealing rings are arranged on the outer side of the valve core assembly;
the outer wall of the abruption valve main body is provided with a heat exchange device, the heat exchange device is close to the sealing ring, a shell is sleeved outside the heat exchange device, the shell and a cavity for accommodating the heat exchange device is formed between the outer wall of the abruption valve main body, the cavity is provided with an air inlet and an air outlet respectively at two axial ends of the abruption valve main body, the air flow direction in the heat exchange device is the same as the air flow direction in the abruption valve main body, the heat exchange device comprises a plurality of radiating fins, and the radiating fins are arranged to form a fin structure.
2. The snap valve for the high-heat-dissipation hydrogenation unit according to claim 1, wherein: a temperature sensor is arranged on the main valve body and is located at the air inlet.
3. The snap valve for the high-heat-dissipation hydrogenation unit according to claim 1, wherein: the heat exchange device is arranged at the diameter-variable position of the main valve body.
4. The snapping valve for a high heat dissipating hydrogenation unit according to claim 1, wherein: the utility model discloses a quick-witted bolt, including the main valve body, the main valve body is connected with the jack catch sheath, the outer wall of connecting the valve body is equipped with the connecting shell, heat transfer device sets up the jack catch sheath with the junction of connecting the shell.
5. The snap valve for the high-heat-dissipation hydrogenation unit according to claim 4, wherein: the main valve body is internally provided with a sliding valve body, the central axis of the sliding valve body is collinear with the central axis of the breaking body, the clamping jaws are provided with step-shaped structures which are clamped with the breaking body, the clamping jaws are circumferentially arranged along the outside of the sliding valve body, the clamping jaws are internally provided with guide jaws, the number of the clamping jaws and the number of the guide jaws are respectively 3, and the clamping jaws and the guide jaws are distributed at intervals to form a circumference.
6. The snap valve for the high-heat-dissipation hydrogenation unit according to claim 5, wherein: the breaking body and the hoop connection part of the clamping jaw are provided with an inclined plane.
7. The snapping valve for a high heat dissipating hydrogenation unit according to claim 4, wherein: the main valve body is provided with a main valve body, the main valve body is provided with a split body, the split body is connected with the main valve body through a main valve seat, the split body is connected with the main valve body through a split valve, the split body is provided with a left thimble and a right thimble, the split body is provided with a left movement cavity for movement of the left thimble, the main valve body is provided with a right movement cavity for movement of the right thimble, the left movement cavity can be communicated with the right movement cavity, the joint of the left thimble and the split body is provided with a sealing surface, the left thimble and the right thimble are respectively provided with a spring for sealing a return seat to provide power, and the left thimble and the right thimble are mutually pressed.
8. The snapping valve for a high heat dissipating hydrogenation unit according to claim 4, wherein: the externally mounted who connects the valve body has an active switch, active switch is a cam switch, cam switch uses with a slip ejector pin cooperation, the last hexagonal wrench draw-in groove that is equipped with of cam switch, the slip ejector pin acts on a transmission valve body, the transmission valve body is connected with the connector components, the outside cover of transmission valve body is equipped with reset spring, connect casing threaded connection one and connect the swivel nut, reset spring with it offsets to connect the swivel nut, connects casing and connection valve body three interconnect.
CN202222158949.7U 2022-08-16 2022-08-16 High heat dissipating hydrogenation machine is with breaking valve Active CN218480249U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222158949.7U CN218480249U (en) 2022-08-16 2022-08-16 High heat dissipating hydrogenation machine is with breaking valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222158949.7U CN218480249U (en) 2022-08-16 2022-08-16 High heat dissipating hydrogenation machine is with breaking valve

Publications (1)

Publication Number Publication Date
CN218480249U true CN218480249U (en) 2023-02-14

Family

ID=85165587

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222158949.7U Active CN218480249U (en) 2022-08-16 2022-08-16 High heat dissipating hydrogenation machine is with breaking valve

Country Status (1)

Country Link
CN (1) CN218480249U (en)

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