CN211117949U - Control system of high-temperature valve with cooling function - Google Patents
Control system of high-temperature valve with cooling function Download PDFInfo
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- CN211117949U CN211117949U CN201921456751.9U CN201921456751U CN211117949U CN 211117949 U CN211117949 U CN 211117949U CN 201921456751 U CN201921456751 U CN 201921456751U CN 211117949 U CN211117949 U CN 211117949U
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Abstract
Control system of high temperature valve with cooling function. The utility model discloses the constitution includes: the bracket is arranged on the valve cover, the bracket is provided with an oil cylinder, the oil cylinder is connected with the piston, the piston is connected with a piston rod, the piston rod is connected with a valve rod through a valve rod connector, a valve rod cooling pipe is arranged in the valve rod, a valve core is arranged at the bottom of the valve rod, a valve seat and a lower heat insulation sleeve are arranged below the valve core, the lower heat insulation sleeve passes through the inlet end pressure test blind plate through a pipeline I and is connected with a nitrogen storage device, the first pipeline is sequentially provided with a gas cylinder regulating valve, a deep control valve and a pressure gauge, the inlet end pressure test blind plate is connected with the valve body, heat insulation filler is arranged between the valve body and the middle heat insulation sleeve, the middle heat insulation sleeve passes through the outlet end pressure test blind plate through the second pipeline, and a needle valve, a distilled water bottle and a flowmeter are sequentially arranged on the second pipeline, and a water cooling structure is arranged on the valve seat or the valve body. The utility model is used for the control of high temperature valve.
Description
The technical field is as follows:
the utility model relates to a control system of high temperature valve with cooling function.
Background art:
after the hot valve provided by the prior art works for a long time, the welding seam of the closed cooling water channel is cracked, so that cooling water enters the valve cavity along the crack, and becomes liquid water or even solid ice in the expansion process of compressed air, thereby influencing the accuracy of test results or even influencing the safety of test parts.
The welding of the dissimilar metals forms a cooling water flow channel, after long-time work, the welding position generates cracks, the fatigue stress caused by repeated impact of the valve rod is difficult to resist at the welding position of the dissimilar metals, and finally the welding cracks.
The utility model has the following contents:
the utility model aims at providing a control system of high temperature valve with cooling function.
The above purpose is realized by the following technical scheme:
a control system for a high temperature valve having a cooling function, comprising: the bracket is arranged on the valve cover, the bracket is provided with an oil cylinder, the oil cylinder is connected with the piston, the piston is connected with a piston rod, the piston rod is connected with a valve rod through a valve rod connector, a valve rod cooling pipe is arranged in the valve rod, a valve core is arranged at the bottom of the valve rod, a valve seat and a lower heat insulation sleeve are arranged below the valve core, the lower heat insulation sleeve passes through the inlet end pressure test blind plate through a pipeline I and is connected with a nitrogen storage device, the first pipeline is sequentially provided with a gas cylinder regulating valve, a deep control valve and a pressure gauge, the inlet end pressure test blind plate is connected with the valve body, heat insulation filler is arranged between the valve body and the middle heat insulation sleeve, the middle heat insulation sleeve passes through the outlet end pressure test blind plate through the second pipeline, and a needle valve, a distilled water bottle and a flowmeter are sequentially arranged on the second pipeline, and a water cooling structure is arranged on the valve seat or the valve body.
The control system of the high-temperature valve with the cooling function is characterized in that a resistance wire heater and a thermocouple are arranged in the lower heat insulation sleeve, and the thermocouple is connected with a power supply.
In the control system of the high-temperature valve with the cooling function, a cooling pipe water inlet and a cooling pipe water outlet are formed in the valve rod cooling pipe, and the valve rod connector is connected with the electronic proximity switch; the valve rod is sleeved on the valve rod guide sleeve.
The control system of the high-temperature valve with the cooling function is characterized in that a contact temperature controller is arranged outside the valve body.
The water cooling structure is a cooling water cooling channel in the valve seat;
or cooling the water cooling channel in the valve body;
or the valve seat and valve body comprehensive water cooling channel is combined with the valve seat internal cooling water cooling channel and the valve body internal cooling water cooling channel;
or a cooling water channel outside the valve body;
or the cooling water cooling channel in the valve seat is combined with the cooling water channel outside the valve body;
or the integrated water cooling channel is formed by combining the cooling water cooling channel in the valve body and the cooling water channel outside the valve body;
or the comprehensive water cooling channel of the valve seat and the valve body is combined with the cooling water channel outside the valve body.
In the control system of the high-temperature valve with the cooling function, the cooling water cooling channel in the valve seat is formed by wrapping the valve seat and a sealing cover of the valve seat water channel to form an annular closed space, the valve seat is of a metal structure with an annular groove, and the sealing cover of the valve seat water channel is welded with the valve seat through a deep groove to form the cooling water cooling channel in the valve seat; and a hole communicated with the outside is formed in the cooling water cooling channel in the valve seat.
The control system of the high-temperature valve with the cooling function is characterized in that the cooling water cooling channel in the valve body is an annular closed area formed by wrapping the valve body and a sealing cover of the water channel of the valve body, an extended pipeline of the cooling water cooling channel in the valve body penetrates through the valve body and an external cooling water inlet channel and a cooling water outlet channel which penetrate through the valve body, a main body groove of the cooling water cooling channel in the valve body is formed in the valve body, and the sealing cover of the water channel of the valve body and the valve body are welded to form the cooling water cooling channel in the valve body.
The control system of the high-temperature valve with the cooling function is characterized in that the cooling water cooling channel in the valve body is wrapped outside the valve body and is provided with an external cooling water inlet and an external cooling water outlet, the horizontal position of the external cooling water inlet is at the lowest position of cooling water, and the horizontal position of the external cooling water outlet is at the highest position of cooling water.
The utility model has the advantages that:
the cooling design of the water cooling channel arranged inside the valve seat is closer to the high-temperature core area, the cooling effect is better, and the protection effect on the valve seat is stronger; compared with the welding of dissimilar metals, the welding of the same metal material is simpler, the welding is firmer, and the phenomena of cracking and the like are not easy to occur.
The utility model discloses place water cooling channel when the disk seat is inside, water cooling channel can design bigger, and the flow of cooling water can be bigger, and the cooling effect is better, and is stronger to the guard action of valve body, disk seat.
The cooling liquid surrounds the outside of the valve body, so that the temperature control of the outside of the hot valve body is more effective; the external cooling scheme has simple manufacturing process; the internal cooling measures provide sufficient cooling capacity to effectively lower the temperature of the metal inside the valve seat, prevent thermal damage, and reduce the strength of the metal due to heat. After the cooling water amount reaches a certain level, cooling the valve body and the valve seat in the hot valve, and simultaneously, the external temperature of the system is lowest; the hidden trouble of water leakage can not be generated.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the cooling water channel in the valve seat according to the water cooling structure of the present invention.
Fig. 3 is a global configuration diagram of a first cooling water channel of the present invention.
Fig. 4 is a view showing the overall configuration of a second cooling water passage according to the present invention.
Fig. 5 is a schematic diagram of the cooling water channel in the valve body according to the water cooling structure of the present invention.
Figure 6 is a schematic diagram of the cooling structure of the present invention, which is a comprehensive water cooling channel combining the cooling water cooling channel inside the valve seat and the cooling water channel outside the valve body.
Figure 7 is a schematic diagram of the cooling structure of the utility model, which is a comprehensive water cooling channel combined by the cooling water cooling channel in the valve body and the cooling water channel outside the valve body.
Figure 8 is a schematic diagram of the cooling structure of the present invention being a water cooling channel outside the valve body.
Figure 9 is a schematic diagram of the cooling structure of the present invention showing the combination of the cooling water cooling channel in the valve body and the cooling water cooling channel in the valve seat.
FIG. 10 is a schematic diagram of the cooling structure of the present invention, which is a combination of the cooling water cooling passages in the valve seat, the cooling water cooling passages in the valve body, and the cooling water passages outside the valve body.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
a control system for a high temperature valve with cooling function, as shown in fig. 1: after the pressure of the gas is adjusted by a gas cylinder adjusting valve 27 and a deep control valve 26 from a nitrogen gas cylinder 28, the pressure information display is displayed on a pressure gauge 25, and then the gas enters a closed space formed by the valve core 5, the valve body 1, the heat insulating material 7 in the valve body and the inlet end pressure test blind plate 29 through the inlet end pressure test blind plate 29; the heating system consisting of the 220V power supply 30 and the resistance wire heater 3 heats the gas in the closed space to 900 ℃, so that the test requirement is met, the heated temperature information of the gas is acquired by the thermocouple 4, and the high-temperature and high-pressure gas stored in the closed space is prepared for the test in this state;
the needle valve 22, the distilled water bottle 23 and the flowmeter 24 form a vacuum-pumping measuring system at the rear part of the valve body, and when the hot valve plate is in a closed state, the vacuum-pumping measuring system is responsible for monitoring that other non-high-temperature and high-pressure gas storage spaces of the valve body closed by the valve core 5 must reach enough vacuum degree.
When the thermal valve is in a closed state, parts which are in direct or indirect contact with stored high-temperature and high-pressure gas need to have sufficient mechanical strength and heat-resistant and heat-insulating design. For example, the valve core 5 and the valve rod 9 form a moving part, the lower end of the valve core 5 is generally required to be additionally provided with a heat insulation block, and the outer surface of the valve core is covered with a heat insulation coating; the valve rod 9 is generally designed to be hollow, a valve rod cooling pipe 18 is inserted into the center of an inner cavity, cooling water is introduced from a cooling pipe water inlet 16 at the top end of the valve rod 9 under the closed state of the hot valve, conveyed to the position of the valve core 5 through the valve rod cooling pipe 18 and cooled, and then discharged out of the valve rod 9 through a cooling pipe water outlet 17. The valve seat 6 also needs to be cooled, a channel for the circulation of cooling water is dug between the valve seat 6 and the valve body 1, and the cooling water is introduced to cool the valve seat 6 and the valve body 1 simultaneously. Other parts far away from high-temperature and high-pressure gas adopt the design of additionally installing a heat insulation material 7 to provide heat insulation protection for the valve cover 8, the valve body 1 and the like. The external temperature of the valve body is sensed by the contact temperature controller 2 and transmits temperature information to the outside.
Hot valve open state:
the moving part composed of the valve core 5 and the valve rod 9 moves upwards under the guiding and restraining of the valve rod guide sleeve 19, the sealing relation formed by the valve core 5 and the valve seat 6 is opened, and high-temperature and high-pressure gas originally stored in the sealed space flows upwards along the valve cavity and then flows out of the thermal valve along the heat insulation sleeve 20 towards the right.
In order to protect the valve body 1, a heat insulating material 7 is arranged between the valve body 1 and high-temperature air, and a pressure-bearing heat insulating sleeve 20 is further arranged at the innermost part of the pipeline. Other heat insulation measures are the same as those in the closed state of the thermal valve.
Example 2:
the utility model provides a control system of high temperature valve with cooling function, as shown in figure 2, cooling water cooling channel 33 is contained in the simple substance metal in disk seat 6 completely in the disk seat.
The cooling water cooling channel 33 in the valve seat is an annular closed area formed by wrapping the valve seat 6 and the valve seat water channel cover 6-1, as shown in fig. 2. The pipeline that the cooling water passageway stretches out has two interfaces with the external world through valve body 2, is respectively: the cooling water passes through the inlet channel 33-1 of the valve body and the outlet channel 33-2 of the valve body, and is separated by the cooling water clapboard 33-3 and is arranged at one side of the valve seat in a clinging way, as shown in figure 3; the cooling water flows in from the inlet channel 33-1 of the valve body, completely flows through the cooling water cooling channel 33 in the valve seat, and then flows out of the valve seat 6 through the outlet channel 33-2 of the valve body to play a role in cooling the valve seat 6.
As an optimization, another configuration mode is that a cooling water partition plate is removed from the system, and a cooling water inlet channel 33-1 and a cooling water outlet channel 33-2 are respectively arranged at two sides of the valve seat 6, as shown in fig. 4; the cooling water flows in from the inlet channel 33-1 of the valve body, flows through the half cooling water channel, flows out of the valve seat 6 through the outlet channel 33-2 of the valve body, and plays a role in cooling the valve seat 6.
The manufacturing method of the cooling channel comprises the following specific scheme: a groove is processed on the annular metal to form a main body structure of the valve seat 6, and the valve seat water channel sealing cover 6-1 is welded with the valve seat 6 through a deep groove to form a valve seat internal cooling water cooling channel 33; holes communicated with the outside are formed in the cooling water cooling channel 33 in the valve seat and are used as water inlet and outlet channels, and according to the positions of the holes, a cooling water partition plate 33-3 is arranged when cooling water enters and exits the holes, or a partition plate is not arranged on two sides when the cooling water enters and exits the holes.
As an optimization, a groove is processed on the annular metal to form a main body structure of the valve seat 6, and the welding mode of the valve seat water channel sealing cover 6-1 adopts a friction welding method, and the others are unchanged;
as an optimization, the annular metal is processed with grooves to form the main structure of the valve seat 6, and the welding mode of the valve seat water channel sealing cover 6-1 adopts a diffusion welding method, and the others are unchanged.
Example 3:
the utility model provides a control system of high temperature valve with cooling function, cooling water cooling channel 34 in the valve body contains completely in the simple substance metal in valve body 1.
The cooling water cooling channel 34 in the valve body is an annular closed area formed by wrapping the valve body 1 and the valve body water channel sealing cover 1-1. The valve body water channel sealing cover 1-1 is tightly attached to the valve seat 6. The cooling water channel directly opens a hole on the valve body 1 and is connected with the outside, and two interfaces are arranged, respectively: the cooling water penetrates through the inlet channel 34-1 of the valve body and the outlet channel 34-2 of the valve body, is separated by the cooling water clapboard 8-3, and is arranged at one side of the valve seat in a clinging manner; the cooling water flows in from the inlet channel 34-1 of the valve body, completely flows through the cooling water cooling channel 33 in the valve seat, and then flows out of the valve body 1 through the outlet channel 34-2 of the valve body, so that the effects of directly cooling the valve body 1 and indirectly cooling the valve seat 6 are achieved. As shown in fig. 5.
As an optimization, the cooling system removes a cooling water partition plate 34-3, and a cooling water inlet channel 34-1 and a cooling water outlet channel 34-2 are respectively arranged at two sides of the valve body 1; the cooling water flows in from the inlet channel 34-1 of the valve body, flows through the cooling water channel 34 in the half valve body, and flows out of the valve body 1 through the outlet channel 34-2 of the valve body, so as to play a role in directly cooling the valve body 1 and indirectly cooling the valve seat 6.
The manufacturing method of the cooling water channel comprises the following specific scheme: a valve rod 3 extends into a valve body 1 from the direction, a main body groove of a cooling water cooling channel 34 in the valve body is processed on the valve body 1, and a valve body water channel sealing cover 1-1 and the valve body 1 are deeply welded into the cooling water cooling channel 34 in the valve body; holes communicated with the outside are formed in the cooling water cooling channel 34 in the valve body and are used as water inlet and outlet channels, and according to the positions of the holes, a cooling water partition plate 8-3 is arranged when cooling water enters and exits the holes, or a partition plate is not arranged on two sides when the cooling water enters and exits the holes.
The welding scheme employs vacuum diffusion welding or friction welding.
Example 3:
the utility model provides a control system of high temperature valve with cooling function, the outer cooling water passageway 32 of valve body wrap up in 1 outside of valve body, outside cooling water entry 32-1, outside cooling water outlet 32-2 and the outer cooling water passageway 32 of valve body communicate with each other, outside cooling water entry 32-1 flow in the outer cooling water passageway 32 of valve body in, flow through 1 surface of valve body, the cooling 1 back of valve body through outside cooling water outlet 32-2 outflow.
The external cooling water inlet 32-1 is positioned at the bottom of one side of the valve body external cooling water channel 32, and the external cooling water outlet 32-2 is positioned at the top of the other side of the valve body external cooling water channel 32.
The horizontal position of the external cooling water inlet 32-1 is at the lowest point of the entire cooling water passage, and the horizontal position of the external cooling water outlet 32-2 is at the highest point of the entire cooling water passage.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A control system for a high temperature valve having a cooling function, characterized by: the method comprises the following steps: support (15), support (15) are installed on valve gap (8), install hydro-cylinder (14) on support (15), hydro-cylinder (14) are connected with piston (13), piston (13) are connected with piston rod (12), piston rod (12) are connected with valve rod (9) through the valve rod connector, valve rod (9) inside has valve rod cooling tube (18), case (5) are installed to valve rod (9) bottom, case (5) below has disk seat (6), thermal-insulated sleeve (31) down, thermal-insulated sleeve (31) pass entrance point pressure testing blind plate (29) through pipeline one and are connected with nitrogen gas storage device (28), install gas cylinder governing valve (27), deep control valve (26), manometer (25) on the pipeline one in proper order, entrance point pressure testing blind plate is connected with valve body (1), thermal-insulated filler (10) have between valve body (1) and well thermal-insulated sleeve (20), well heat-insulating sleeve passes exit end pressure testing blind plate (21) through pipeline two, install needle valve (22), distilled water bottle (23), flowmeter (24) on the pipeline two in proper order, have water cooling structure on disk seat (6) or valve body (1).
2. A control system for a high temperature valve having a cooling function according to claim 1, wherein: the lower heat insulation sleeve (31) is internally provided with a resistance wire heater (3) and a thermocouple (4), and the thermocouple (4) is connected with a power supply (30).
3. A control system for a high temperature valve having a cooling function according to claim 2, wherein: the valve rod cooling pipe is provided with a cooling pipe water inlet (16) and a cooling pipe water outlet (17), and the valve rod connector is connected with the electronic proximity switch (11); the valve rod (9) is sleeved on the valve rod guide sleeve (19).
4. A control system for a high temperature valve having a cooling function according to claim 3, wherein: and a contact temperature controller (2) is arranged outside the valve body (1).
5. The control system of a high temperature valve having a cooling function according to claim 4, characterized in that: the water cooling structure is a cooling water cooling channel (33) in the valve seat;
or a cooling water cooling channel (34) in the valve body;
or the valve seat and valve body comprehensive water cooling channel is combined with the valve seat internal cooling water cooling channel and the valve body internal cooling water cooling channel;
or a valve body external cooling water passage (32);
or the cooling water cooling channel in the valve seat is combined with the cooling water channel outside the valve body;
or the integrated water cooling channel is formed by combining the cooling water cooling channel in the valve body and the cooling water channel outside the valve body;
or the comprehensive water cooling channel of the valve seat and the valve body is combined with the cooling water channel outside the valve body.
6. The control system of a high-temperature valve having a cooling function according to claim 5, characterized in that: the valve seat internal cooling water cooling channel (33) is formed by wrapping the valve seat (6) and a valve seat water channel sealing cover (6-1) to form an annular closed space, the valve seat is of a metal structure with an annular groove, and the valve seat water channel sealing cover (6-1) and the valve seat (6) are welded through a deep groove to form the valve seat internal cooling water cooling channel (33); and holes communicated with the outside are formed in the cooling water cooling channel (33) in the valve seat.
7. The control system of a high-temperature valve having a cooling function according to claim 5, characterized in that: valve body internal cooling water cooling passageway (34) are by valve body (1), the cyclic annular confined interval of valve body water passageway closing cap (1-1) parcel formation, the overhanging pipeline of valve body internal cooling water cooling passageway (34) passes valve body (1) and the external world have the cooling water to wear valve body entry passageway (34-1), the cooling water wears valve body exit passageway (34-2), it has to process on valve body (1) the main part groove of valve body internal cooling water cooling passageway (34), valve body water passageway closing cap (1-1) forms through the welding with valve body (1) valve body internal cooling water cooling passageway (34).
8. The control system of a high-temperature valve having a cooling function according to claim 5, characterized in that: the valve body external cooling water channel (32) is wrapped outside the valve body (1), the valve body external cooling water channel (32) is provided with an external cooling water inlet (32-1) and an external cooling water outlet (32-2), the horizontal position of the external cooling water inlet (32-1) is at the lowest position of cooling water, and the horizontal position of the external cooling water outlet (32-2) is at the highest position of cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921456751.9U CN211117949U (en) | 2019-09-04 | 2019-09-04 | Control system of high-temperature valve with cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921456751.9U CN211117949U (en) | 2019-09-04 | 2019-09-04 | Control system of high-temperature valve with cooling function |
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| Publication Number | Publication Date |
|---|---|
| CN211117949U true CN211117949U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921456751.9U Active CN211117949U (en) | 2019-09-04 | 2019-09-04 | Control system of high-temperature valve with cooling function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388510A (en) * | 2019-09-04 | 2019-10-29 | 哈工大机器人（岳阳）军民融合研究院 | The control system and control method of high-temperature valve with refrigerating function |
-
2019
- 2019-09-04 CN CN201921456751.9U patent/CN211117949U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388510A (en) * | 2019-09-04 | 2019-10-29 | 哈工大机器人（岳阳）军民融合研究院 | The control system and control method of high-temperature valve with refrigerating function |
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