Electric high-temperature pressure adjusting device with heat insulation structure

Abstract

The utility model provides an electric high-temperature pressure adjusting device with a heat insulation structure, and relates to the field of high-temperature valves. The electric high-temperature pressure adjusting device with the heat insulation structure comprises a supporting base and a valve body, an adjusting mechanism is arranged in the middle of the valve body and comprises an eccentric cock and a sealing cover plate, and a heat insulation mechanism is arranged outside the supporting base and comprises a heat exchanger and a cooling ring. The heat exchanger is fixed to the surface of the supporting base. According to the electric high-temperature pressure adjusting device with the heat insulation structure, the eccentric plug cock is positioned through the sealing cover plate, the high temperature in the valve body can be isolated, the operation stability of the valve body is improved, the flow speed of a medium in the valve body is adjusted through rotation of the eccentric plug cock, and cooling operation is conducted on the cooling ring through the heat exchanger; and the high temperature transmitted by the cooling ring is diffused out, the protection capacity of the cooling ring to the valve body is improved, the valve body is prevented from being damaged by the high temperature, and the use stability of the valve body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of electric high-temperature pressure regulating devices, specifically a kind of electric high-temperature pressure regulating device with heat insulation structure belongs to high-temperature valve technical field. BACKGROUND

[0002] High-temperature valve;In fluid conveying system, valve is indispensable control component, it mainly has the functions such as adjustment, flow guide, anti-backflow, cut-off, shunt, and valve is widely used in industrial and civil fields.There are relatively more kinds of high-temperature valves, and the more common ones include high-temperature butterfly valve, high-temperature ball valve, high-temperature filter, high-temperature gate valve, etc.

[0003] The utility model with patent No. CN213628918U discloses a kind of high-temperature valves, including connecting body, the inner wall of the recess movably connects with push plate, the outer surface of the push plate is slidably connected with fixed block, the inner wall of the protruding object is rotatably connected with rotating rod, the lower surface of the rotating rod is fixedly connected with connecting plate.In the utility model, the first baffle and the second baffle are connected with each other in parallel, so that they are not easy to deform when contacting high temperature, and the size of the flow is changed more accurately and stably.

[0004] In order to control the speed of medium flow, a control valve will be installed in the pipeline, the valve in the above patent, although it improves the stability of operation, but the surface temperature of the valve body is high, and long-time high temperature can easily cause oxidation damage to the valve;Therefore, we provide an electric high-temperature pressure regulating device with heat insulation structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the above problems and provides an electric high-temperature pressure regulating device with heat insulation structure to solve the problem of valve body damage caused by high temperature in the comparative document.

[0006] The utility model is implemented by the following technical solutions: an electric high-temperature pressure regulating device with heat insulation structure.

[0007] It includes support base and valve body, the middle part of the valve body is provided with adjusting mechanism, the adjusting mechanism includes eccentric plug and sealing cover plate, and the eccentric plug is rotatably connected with the valve body, the outer part of the support base is provided with heat insulation mechanism, the heat insulation mechanism includes heat exchanger and cooling ring, the heat exchanger is fixed on the surface of support base, and the cooling ring is fixedly communicated with the valve body.

[0008] Preferably, the sealing cover plate is fixed with the valve body by bolts, and the surface of the sealing cover plate is fixedly connected with a heat insulation plate, and the middle part of the heat insulation plate is fixedly connected with a heat insulation sleeve, the valve body and the sealing cover plate are isolated by the heat insulation plate, the high temperature inside the valve body is prevented from being transmitted to the sealing cover plate, and the heat insulation and heat preservation effects of the sealing cover plate are improved.

[0009] Preferably, the top end of the eccentric plug is fixedly connected with a central rotating shaft, and the central rotating shaft is rotatably connected with the heat insulation sleeve, and the top end of the central rotating shaft is clamped with a connector, the central rotating shaft is isolated and protected by the heat insulation sleeve and the connector, and the high temperature transmitted by the eccentric plug is prevented from diffusing to the outside.

[0010] Preferably, the inside of the connector is clamped with a power rotating shaft, the surface of the sealing cover plate is fixedly connected with a support frame, and the surface of the support frame is fixedly connected with an electric motor for controlling the rotation of the power rotating shaft, the electric motor is fixed by the support frame, and the heat of the sealing cover plate surface is prevented from diffusing to the electric motor.

[0011] Preferably, the inside of the cooling ring is provided with circumferentially-arranged cooling pipes, the inside of the cooling ring is provided with a first ring groove and a second ring groove, and the two ends of the cooling pipes are fixedly communicated with the first ring groove and the second ring groove respectively, the cooling ring is cooled by the cooling pipes, the first ring groove and the second ring groove flowing with cooling water, and the surface temperature of the valve body is prevented from being too high.

[0012] Preferably, the first ring groove is fixedly communicated with a water inlet pipe, and the bottom end of the water inlet pipe is fixedly communicated with the heat exchanger, the second ring groove is fixedly communicated with a water outlet pipe, and the bottom end of the water outlet pipe is fixedly communicated with the heat exchanger, the heat exchanger is communicated with the cooling ring through the water inlet pipe and the water outlet pipe, the cooling water is circulated, and the cooling ring is kept at a proper temperature.

[0013] Preferably, the surface of the cooling ring is fixedly connected with a heat insulation ring, and the heat insulation ring is fixedly connected with the valve body, and the surfaces of the valve body and the heat insulation ring are sprayed with high-temperature thermal barrier coatings, the medium flowing in the valve body is isolated by the heat insulation ring, and the temperature of the medium is prevented from being reduced by the cooling ring.

[0014] The utility model provides a kind of electric high-temperature pressure regulating device with heat insulation structure, it has the beneficial effects as follows:

[0015] 1, the electric high-temperature pressure regulating device with heat insulation structure, by sealing cover plate, eccentric plug is positioned, and high temperature in valve body can be isolated, improve the stability of valve body operation, by eccentric plug rotation, adjust medium flow rate in valve body, by heat exchanger, cooling ring is cooled and is operated, and high temperature transmitted by cooling ring is diffused, improve the protection ability of cooling ring to valve body, avoid high temperature to cause valve body corrosion damage, improve the stability of long time use of valve body.

[0016] 2、The electric high-temperature pressure regulating device with heat insulation structure, the valve body and the sealing cover plate are isolated through the heat insulation plate, the high temperature inside the valve body is avoided to be transmitted to the sealing cover plate, the heat insulation and heat preservation effect of the sealing cover plate is improved, and the sealing cover plate is conveniently maintained through bolt fixing, the center rotating shaft is isolated and protected through the heat insulation sleeve pipe and the connector, the high temperature transmitted by the eccentric plug is avoided to diffuse to the outside, the heat preservation effect of the valve body is improved, the power rotating shaft is isolated from the center rotating shaft through the connector, the heat of the center rotating shaft is avoided to be transmitted to the power rotating shaft, the electric motor is fixed through the support frame, the heat on the surface of the sealing cover plate is avoided to diffuse to the electric motor, and the stability of electric motor operation is improved.

[0017] 3、The electric high-temperature pressure regulating device with heat insulation structure, the cooling ring is cooled through the cooling pipe, the first annular groove and the second annular groove inside flowing cooling water, the surface temperature of the valve body is avoided to be too high, the temperature and strength of the valve body material are improved, the heat exchanger is communicated with the cooling ring through the water inlet pipe and the water outlet pipe, the cooling water is circulated, the cooling ring is kept at a proper temperature, the stability of valve body operation is improved, the medium flowing in the valve body is isolated through the heat insulation ring, the medium temperature is avoided to be reduced due to the cooling ring, the stability of high-temperature medium flowing is improved, the high-temperature thermal barrier coating is designed to adopt tantalum niobate powder material and is designed to adopt the laser spraying mode, and metal material oxidation under high temperature is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is valve body cross section structure schematic diagram of the utility model;

[0020] Figure 3 It is eccentric plug connection structure schematic diagram of the utility model;

[0021] Figure 4 It is heat insulation ring connection structure schematic diagram of the utility model;

[0022] Figure 5 It is cooling ring cross section structure schematic diagram of the utility model.

[0023]

MAIN COMPONENT SYMBOL EXPLANATION

[0024] 1, support base;2, valve body;

[0025] 3, adjusting mechanism;301, eccentric plug;302, sealing cover plate;303, heat insulation plate;304, heat insulation sleeve pipe;305, center rotating shaft;306, connector;307, power rotating shaft;308, electric motor;309, support frame;

[0026] 4, thermal insulation mechanism; 401, heat exchanger; 402, thermal insulation ring; 403, cooling ring; 404, cooling pipe; 405, first ring groove; 406, second ring groove; 407, water inlet pipe; 408, water outlet pipe. DETAILED DESCRIPTION

[0027] The utility model embodiment provides a kind of electric high-temperature pressure regulating device with heat insulation structure.

[0028] Please refer to Figure 1 、 Figure 2 And Figure 3 , including support base 1 and valve body 2, the middle part of valve body 2 is provided with adjusting mechanism 3, adjusting mechanism 3 includes eccentric plug 301 and sealing cover plate 302, and eccentric plug 301 is rotatably connected with valve body 2, by sealing cover plate 302, eccentric plug 301 is positioned, and the high temperature inside valve body 2 can be isolated, improve the stability of valve body 2 operation, by the rotation of eccentric plug 301, adjust the medium flow rate inside valve body 2.

[0029] Sealing cover plate 302 is fixed with valve body 2 by bolt, and the surface of sealing cover plate 302 is fixedly connected with heat insulation plate 303, and the middle part of heat insulation plate 303 is fixedly connected with heat insulation sleeve 304, by heat insulation plate 303, valve body 2 and sealing cover plate 302 are isolated, to avoid the high temperature inside valve body 2 is transmitted to sealing cover plate 302, improve the heat insulation and heat preservation effect of sealing cover plate 302, and by bolt fixing, it is convenient to maintain sealing cover plate 302.

[0030] The top end of eccentric plug 301 is fixedly connected with center shaft 305, and center shaft 305 is rotatably connected with heat insulation sleeve 304, and the top end of center shaft 305 is clamped with connector 306, by heat insulation sleeve 304 and connector 306, center shaft 305 is isolated and protected, to avoid the high temperature transmitted by eccentric plug 301 diffuses to the outside, improve the heat preservation effect of valve body 2.

[0031] The inside of connector 306 is clamped with power shaft 307, the surface of sealing cover plate 302 is fixedly connected with support frame 309, the surface of support frame 309 is fixedly connected with motor 308 for controlling the rotation of power shaft 307, by connector 306, power shaft 307 is isolated from center shaft 305, to avoid the heat of center shaft 305 is transmitted to power shaft 307, by support frame 309, motor 308 is fixed, to avoid the heat on the surface of sealing cover plate 302 diffuses to motor 308, improve the stability of motor 308 operation.

[0032] Please refer to Figure 1 、 Figure 2 、 Figure 4 And Figure 5The outer part of the support base 1 is provided with a heat insulation mechanism 4, which comprises a heat exchanger 401 fixed on the surface of the support base 1 and a cooling ring 403 fixedly communicated with the valve body 2. The heat exchanger 401 is used to cool the cooling ring 403 and diffuse the high temperature transmitted by the cooling ring 403, so as to improve the protection capability of the cooling ring 403 to the valve body 2, avoid corrosion and damage of the valve body 2 caused by high temperature, and improve the stability of the valve body 2 in long time use.

[0033] The heat exchanger 401 can be connected with an external cooling water pipeline, so as to increase the heat exchange effect of the heat exchanger 401 when the heat exchange efficiency is low.

[0034] The cooling ring 403 is internally provided with circumferentially arranged cooling pipes 404, and the cooling ring 403 is internally provided with a first ring groove 405 and a second ring groove 406, and the two ends of the cooling pipes 404 are fixedly communicated with the first ring groove 405 and the second ring groove 406, respectively. The cooling ring 403 is cooled by the cooling pipes 404, the first ring groove 405 and the second ring groove 406, so as to avoid the surface temperature of the valve body 2 being too high and improve the material temperature and strength of the valve body 2.

[0035] The first ring groove 405 is fixedly communicated with a water inlet pipe 407, and the bottom end of the water inlet pipe 407 is fixedly communicated with the heat exchanger 401. The second ring groove 406 is fixedly communicated with a water outlet pipe 408, and the bottom end of the water outlet pipe 408 is fixedly communicated with the heat exchanger 401. The heat exchanger 401 is communicated with the cooling ring 403 through the water inlet pipe 407 and the water outlet pipe 408, so as to circulate the cooling water and keep the cooling ring 403 at a proper temperature, thereby improving the stability of the valve body 2 in operation.

[0036] The surface of the cooling ring 403 is fixedly connected with a heat insulation ring 402, and the heat insulation ring 402 is fixedly connected with the valve body 2. The surfaces of the valve body 2 and the heat insulation ring 402 are sprayed with a high-temperature thermal barrier coating. The medium flowing in the valve body 2 is isolated by the heat insulation ring 402, so as to avoid the temperature of the medium being reduced by the cooling ring 403, improve the stability of the high-temperature medium, and adopt tantalum niobate powder material and laser spraying mode for the high-temperature thermal barrier coating, so as to avoid oxidation of the metal material at high temperature, make the spraying bonding strength greater than 30MPa, and have a temperature resistance of 1650℃, so as to ensure the performance of the material at high temperature.

[0037] The electric motor 308 and the heat exchanger 401 are prior art, and the detailed parameters and models thereof will not be described in detail.

[0038] The utility model discloses a heat insulation ring 402, the medium that flows in the valve body 2 is isolated, avoids the medium temperature drop caused by the cooling ring 403, improves the stability of high -temperature medium flow, through the inlet pipe 407 and the outlet pipe 408, make heat exchanger 401 with cooling ring 403 intercommunication, make cooling water circulation, through the cooling water in cooling pipe 404, first annular groove 405 and second annular groove 406 inside flow, cooling ring 403 is cooled, avoids the surface temperature of valve body 2 too high, improves valve body 2 material temperature and strength, through above -mentioned device, improved the stability and safety of valve body in high -temperature high -pressure environment operation.

[0039] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, various changes and improvements can be made to the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electric high-temperature pressure regulating device having a heat-insulating structure, comprising a support base (1) and a valve body (2), characterized in that: The middle part of the valve body (2) is provided with an adjusting mechanism (3), the adjusting mechanism (3) comprises an eccentric plug (301) and a sealing cover plate (302), the eccentric plug (301) is rotatably connected with the valve body (2), the outer part of the support base (1) is provided with a heat insulation mechanism (4), the heat insulation mechanism (4) comprises a heat exchanger (401) and a cooling ring (403), the heat exchanger (401) is fixed on the surface of the support base (1), and the cooling ring (403) is fixedly connected with the valve body (2).

2. The electric high-temperature pressure regulating device with a heat insulation structure according to claim 1, characterized in that: The sealing cover plate (302) is fixedly connected with the valve body (2) through bolts, and the surface of the sealing cover plate (302) is fixedly connected with a heat insulation plate (303), and the middle part of the heat insulation plate (303) is fixedly connected with a heat insulation sleeve (304).

3. The electric high-temperature pressure regulating device with a heat insulation structure according to claim 2, characterized in that: The top end of the eccentric plug (301) is fixedly connected with a central rotating shaft (305), and the central rotating shaft (305) is rotatably connected with the heat insulation sleeve (304), and the top end of the central rotating shaft (305) is clamped with a connector (306).

4. The electric high-temperature pressure regulating device having a heat insulation structure according to claim 3, characterized by: The inside of the connector (306) is clamped with a power rotating shaft (307), the surface of the sealing cover plate (302) is fixedly connected with a support frame (309), and the surface of the support frame (309) is fixedly connected with a motor (308) for controlling the rotation of the power rotating shaft (307).

5. The electric high-temperature pressure regulating device with a heat insulation structure according to claim 1, characterized in that: The inside of the cooling ring (403) is provided with circumferentially arranged cooling pipes (404), the inside of the cooling ring (403) is provided with a first ring groove (405) and a second ring groove (406), and the two ends of the cooling pipes (404) are fixedly communicated with the first ring groove (405) and the second ring groove (406) respectively.

6. The electric high-temperature pressure regulating device having a heat insulation structure according to claim 5, characterized by: The first ring groove (405) is fixedly communicated with a water inlet pipe (407), and the bottom end of the water inlet pipe (407) is fixedly communicated with the heat exchanger (401), the second ring groove (406) is fixedly communicated with a water outlet pipe (408), and the bottom end of the water outlet pipe (408) is fixedly communicated with the heat exchanger (401).

7. The electric high-temperature pressure regulating device with a heat insulation structure according to claim 1, characterized in that: The surface of the cooling ring (403) is fixedly connected with a heat insulation ring (402), and the heat insulation ring (402) is fixedly connected with the valve body (2), and the surfaces of the valve body (2) and the heat insulation ring (402) are sprayed with high-temperature thermal barrier coatings.

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