High-temperature and high-pressure flow-adjusting stop valve

Abstract

The utility model discloses a high-temperature high-pressure flow regulation stop valve in the technical field of stop valves, which comprises a valve body, a first mounting seat and a second mounting seat, the first mounting seat is integrally formed on the left side of the top of the outer side wall of the valve body, and the second mounting seat is integrally formed on the right side of the bottom of the outer side wall of the valve body. A first flow adjusting shell is fixedly connected to the middle of the left side of the top of the inner side wall of the valve body, a second flow adjusting shell is fixedly connected to the left side of the bottom of the inner side wall of the valve body, a third flow adjusting shell is fixedly connected to the right side of the top of the inner side wall of the valve body, and a second sealing seat is fixedly connected to the top of a second mounting seat through bolts. The high-temperature and high-pressure flow adjusting stop valve has the advantages that the high-temperature and high-pressure flow adjusting stop valve is reasonable in structural design and high in flow adjusting performance, emergency cut-off treatment can be carried out after a valve core of the stop valve is damaged, and the high-temperature and high-pressure flow adjusting stop valve is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to cut -off valve technical field, concretely is high temperature high pressure flow regulating cut -off valve. BACKGROUND

[0002] The cut -off valve is one kind of actuator in automation system, controls the cut -off, connection or switching of fluid in process pipeline, has simple structure, sensitive reaction, reliable action and the like characteristics, can be widely applied in petroleum, chemical industry, metallurgy and the like industrial production department.

[0003] At present, the cut -off valve is simple in internal structure during use, low in high temperature high pressure fluid flow regulating performance, and cannot carry out emergency cut -off treatment after the cut -off valve core is damaged, is inconvenient to use, and therefore we propose high temperature high pressure flow regulating cut -off valve. UTILITY MODEL CONTENT

[0004] The utility model discloses a high temperature high pressure flow regulating cut -off valve to solve the problem of poor flow regulating and the inability to carry out emergency cut -off treatment after the cut -off valve core is damaged in the above -mentioned background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: high temperature high pressure flow regulating cut -off valve, including valve body, first mounting seat and second mounting seat, the first mounting seat is integrally formed in the left side of the top of the outer side wall of valve body, the second mounting seat is integrally formed in the right side of the bottom of the outer side wall of valve body, the left side middle of the top of the inner side wall of valve body is fixedly connected with first flow regulating casing, the left side of the bottom of the inner side wall of valve body is fixedly connected with second flow regulating casing, the right side of the top of the inner side wall of valve body is fixedly connected with third flow regulating casing, the top of second mounting seat is fixedly connected with second sealing seat through bolt, the bottom middle of second sealing seat is threadedly connected with second valve rod, the bottom of second valve rod is fixedly connected with second handle, the outside wall upper side of second valve rod is rotatably connected with second sealing piece, and the second sealing piece is slidably connected in the inner chamber of second mounting seat, the top of second valve rod is fixedly connected with second valve core, and the second valve core is clamped between the right side wall of second flow regulating casing and the left side wall of third flow regulating casing.

[0006] Preferably, the left and right ends of the valve body are fixedly connected with connecting pieces, and the connecting pieces are made of stainless steel.

[0007] Preferably, the top of the first mounting seat is fixedly connected with a first sealing seat through a bolt, and the top middle of the first sealing seat is threadedly connected with a first valve rod.

[0008] Preferably, the top of the first valve rod is fixedly connected with a first handle, and the first handle and the second handle are made of aluminum alloy.

[0009] Preferably, the outer side wall of the first valve rod is connected with a first sealing element at the lower side, and the first sealing element is slidingly connected in the inner cavity of the first mounting seat.

[0010] Preferably, the bottom end of the first valve rod is fixedly connected with a first valve core, and the first valve core is clamped between the right side wall of the first flow regulating shell and the left side wall of the second flow regulating shell.

[0011] Compared with the prior art, the high-temperature and high-pressure flow regulating cut-off valve has the following beneficial effects: the first flow regulating shell cooperates with the first valve core, the second flow regulating shell, the second valve core and the third flow regulating shell to regulate the high-temperature and high-pressure fluid in multiple sections, so that the cut-off valve has strong flow regulating performance; the first handle cooperates with the first valve rod to adjust the first valve core; the first valve core cooperates with the first flow regulating shell and the second flow regulating shell to close the valve body; the second handle cooperates with the second valve rod to adjust the second valve core; and the second valve core cooperates with the second flow regulating shell and the third flow regulating shell to close the valve body, so that the cut-off valve can be used for emergency cut-off treatment after the cut-off valve core is damaged, and is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0013] Figure 2 It is a front view structure schematic diagram of the utility model;

[0014] Figure 3 It is a front view structure schematic diagram of the utility model;

[0015] Figure 4 It is a three-dimensional structure schematic diagram of the utility model Figure 3 It is an enlarged structure schematic diagram of A in the utility model.

[0016] In the drawing: 100, valve body; 110, connecting piece; 120, first flow regulating shell; 130, second flow regulating shell; 140, third flow regulating shell; 200, first mounting seat; 210, first sealing seat; 220, first valve rod; 230, first handle; 240, first sealing element; 250, first valve core; 300, second mounting seat; 310, second sealing seat; 320, second valve rod; 330, second handle; 340, second sealing element; 350, second valve core. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the present utility model.

[0018] The utility model provides high temperature high pressure flow regulating cut -off valve, and can carry out emergency cut -off processing after the cut -off valve core is damaged, please refer to Figures 1-4 , including valve body 100, first mounting base 200 and second mounting base 300;

[0019] Please refer to Figures 1-4 , the inner side wall top left side intermediate fixing and connecting of valve body 100 has first flow regulating casing 120, the inner side wall bottom left side fixing and connecting of valve body 100 has second flow regulating casing 130, the inner side wall top right side fixing and connecting of valve body 100 has third flow regulating casing 140, and valve body 100 is used to support first mounting base 200 and second mounting base 300, and first flow regulating casing 120 is used to guide the left side introduction flow of valve body 100, and second flow regulating casing 130 is used to cooperate first flow regulating casing 120 and first valve core 250 and carries out the flow regulation of introduction fluid, and third flow regulating casing 140 is used to cooperate second flow regulating casing 130 and second valve core 350 and carries out the flow regulation of introduction fluid;

[0020] Please refer to Figures 1-3 , first mounting base 200 is integrally formed at the left side of the top of the outer side wall of valve body 100, and first mounting base 200 is used to support first sealing seat 210;

[0021] Please refer to Figures 1-4The top of the second mounting seat 300 is fixedly connected with a second sealing seat 310 through bolts, the middle of the bottom of the second sealing seat 310 is threadedly connected with a second valve rod 320, the bottom end of the second valve rod 320 is fixedly connected with a second handle piece 330, the outer side wall of the second valve rod 320 is rotatably connected with a second sealing piece 340, the second sealing piece 340 is slidably connected in the inner cavity of the second mounting seat 300, the top end of the second valve rod 320 is fixedly connected with a second valve core 350, the second valve core 350 is clamped between the right side wall of the second flow regulating shell 130 and the left side wall of the third flow regulating shell 140, the second mounting seat 300 is integrally formed on the bottom right side of the outer side wall of the valve body 100, the second mounting seat 300 is used for sealing the second sealing seat 310, the second sealing seat 310 is used for sealing treatment of the second mounting seat 300, the second valve rod 320 is used for supporting the second valve core 350, the second handle piece 330 is used for conveniently rotating the second valve rod 320, the second sealing piece 340 is used for sealing treatment of the inside of the second mounting seat 300, and the second valve core 350 is used for cutting off and regulating the flow of fluid in cooperation with the second flow regulating shell 130 and the third flow regulating shell 140.

[0022] Please refer again to Figures 1-4 In order to improve the strength and corrosion resistance of the connecting piece 110, the left and right ends of the valve body 100 are fixedly connected with the connecting piece 110, and the connecting piece 110 is made of stainless steel.

[0023] Please refer again to Figures 1-3 In order to improve the use efficiency of the first valve rod 220, the top of the first mounting seat 200 is fixedly connected with a first sealing seat 210 through bolts, and the middle of the top of the first sealing seat 210 is threadedly connected with the first valve rod 220.

[0024] Please refer again to Figures 1-3 In order to improve the corrosion resistance of the first handle piece 230 and the second handle piece 330, the top end of the first valve rod 220 is fixedly connected with the first handle piece 230, and the first handle piece 230 and the second handle piece 330 are both made of aluminum alloy.

[0025] Please refer again to Figures 1-3 In order to enable the first sealing piece 240 to seal the inside of the first mounting seat 200, the lower side of the outer side wall of the first valve rod 220 is rotatably connected with the first sealing piece 240, and the first sealing piece 240 is slidably connected in the inner cavity of the first mounting seat 200.

[0026] Please refer again to Figures 1-3In order to enable the first valve core 250 to regulate the opening and closing of the flow channel formed by the right side wall of the first flow regulating shell 120 and the second flow regulating shell 130, the bottom end of the first valve rod 220 is fixedly connected with the first valve core 250, and the first valve core 250 is clamped between the right side wall of the first flow regulating shell 120 and the left side wall of the second flow regulating shell 130.

[0027] In specific use, the person skilled in the art first connects the connecting piece 110 with the high-temperature and high-pressure fluid conduit manually using a tool, then rotates the first handle piece 230 manually to drive the first valve rod 220 to rotate under force, cooperate with the first sealing seat 210 to drive the first valve core 250 to separate from between the first flow regulating shell 120 and the second flow regulating shell 130, then rotate the second handle piece 330 to drive the second valve rod 320 to rotate, cooperate with the second sealing seat 310 to drive the second valve core 350 to separate from between the second flow regulating shell 130 and the third flow regulating shell 140, so that the high-temperature and high-pressure gas is subjected to first flow regulation when passing through between the first flow regulating shell 120, the second flow regulating shell 130 and the first valve core 250, and is subjected to second flow regulation when passing through between the second flow regulating shell 130, the third flow regulating shell 140 and the second valve core 350, so that the high-temperature and high-pressure fluid flows out of the valve body 100 stably, when the first valve core 250 is damaged, the worker rotates the first handle piece 230 manually to drive the first valve rod 220 to cooperate with the first sealing seat 210 to drive the first valve core 250 to move downward, and cooperate with the first flow regulating shell 120 and the second flow regulating shell 130 to reduce the flow rate of the high-temperature and high-pressure gas, and at the same time, rotate the second handle piece 330 manually to drive the second valve rod 320 to cooperate with the second sealing seat 310 to drive the second valve core 350 to move downward, and cooperate with the second flow regulating shell 130 and the third flow regulating shell 140 to close the valve body 100, so that the emergency shutdown is completed.

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

[0029] Although the utility model has been described above with reference to the embodiments, various modifications can be made to it and equivalent components can be substituted for the components thereof without departing from the scope of the utility model. In particular, the features of the embodiments disclosed by the utility model can be combined with each other in any manner as long as there is no structural conflict, and the combinations of the features are not exhaustively described in the specification only for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A high temperature, high pressure flow regulating shut-off valve characterized by: The utility model relates to a valve body (100), first mounting seat (200) and second mounting seat (300), first mounting seat (200) is integrally formed in the left side of the top of the outer side wall of valve body (100), second mounting seat (300) is integrally formed in the right side of the bottom of the outer side wall of valve body (100), the left side of the top of the inner side wall of valve body (100) is fixedly connected with first flow regulating shell (120), the left side of the bottom of the inner side wall of valve body (100) is fixedly connected with second flow regulating shell (130), the right side of the top of the inner side wall of valve body (100) is fixedly connected with third flow regulating shell (140), the top of second mounting seat (300) is fixedly connected with second sealing seat (310) through bolt, the bottom of second sealing seat (310) is threadedly connected with second valve rod (320) in the middle, the bottom end of second valve rod (320) is fixedly connected with second handle (330), the upper side of the outer side wall of second valve rod (320) is rotatably connected with second sealing piece (340), and second sealing piece (340) is slidably connected in the inner chamber of second mounting seat (300), the top end of second valve rod (320) is fixedly connected with second valve core (350), and second valve core (350) is clamped between the right side wall of second flow regulating shell (130) and the left side wall of third flow regulating shell (140).

2. The high temperature, high pressure flow-regulating shut-off valve of claim 1, wherein: The left and right ends of the valve body (100) are fixedly connected with connecting pieces (110), and the connecting pieces (110) are made of stainless steel.

3. The high temperature, high pressure flow-regulating shut-off valve of claim 1, wherein: The top of the first mounting seat (200) is fixedly connected with a first sealing seat (210) through bolts, and the top of the first sealing seat (210) is threadedly connected with a first valve rod (220) in the middle.

4. The high-temperature, high-pressure flow-regulated shut-off valve of claim 3, wherein: The top end of the first valve rod (220) is fixedly connected with a first handle (230), and the first handle (230) and the second handle (330) are both made of aluminum alloy.

5. The high temperature, high pressure flow-regulating shut-off valve of claim 3, wherein: The lower side of the outer side wall of the first valve rod (220) is rotatably connected with a first sealing piece (240), and the first sealing piece (240) is slidably connected in the inner chamber of the first mounting seat (200).

6. The high-temperature, high-pressure flow-regulated shut-off valve of claim 3, wherein: The bottom end of the first valve rod (220) is fixedly connected with a first valve core (250), and the first valve core (250) is clamped between the right side wall of the first flow regulating shell (120) and the left side wall of the second flow regulating shell (130).

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