Heat preservation valve with double heat insulation layers

Abstract

The utility model belongs to the technical field of heat preservation valves, and particularly relates to a double-heat-insulation-layer heat preservation valve which comprises a valve body with a heat preservation sleeve, a hollow heat preservation bin is formed between the heat preservation sleeve and the valve body, a heat exchange coil pipe spirally wound on the valve body is arranged in the heat preservation bin, and the heat exchange coil pipe is used for evenly distributing heat conduction oil outside the valve body. The heat preservation bin is further filled with heat preservation filler, a heat insulation cushion layer laid on the inner wall of the outer side of the heat preservation bin is arranged on the outer side of the heat preservation filler, the bottom of the valve body and the top of the oil storage tank are provided with a butt joint seat and an external thread connector respectively, and an internal thread connector for containing the external thread connector is formed in the bottom of the butt joint seat. According to the utility model, the heat-insulating filler and the heat-insulating cushion layer are additionally arranged, so that a double-layer heat-insulating area is formed outside the valve body through the heat exchange coil, the heat-insulating effect of the valve body is improved, and the loss of heat-insulating temperature is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of heat preservation valve, concretely relates to a double heat insulation layer heat preservation valve. BACKGROUND

[0002] The main structural components of the heat preservation valve include a valve body, a ball, a valve stem, a sealing device, and a heat preservation jacket, etc.; wherein, the valve is opened and closed by rotating 90 degrees; the heat preservation jacket can inject steam, heat conducting oil and other heat medium, and these heat medium surrounds the valve body to provide continuous heat for the fluid flowing through the valve, preventing the fluid from solidifying or viscosity increasing due to temperature reduction, but after the heat medium stops supplying, the heat preservation environment around the valve body will quickly lose, damaging the heat preservation layer of the valve body and affecting the heat preservation effect of the valve body, at the same time, the existing heat conducting oil is directly integrated in the valve body, and when the heat conducting oil and the pump body are overhauled, the valve body needs to be disassembled, which is complicated and low in efficiency. SUMMARY

[0003] The utility model discloses a double heat insulation layer heat preservation valve, which is used to solve the problems in the background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a double heat insulation layer heat preservation valve, comprising: a valve body with a heat preservation sleeve, a hollow heat preservation bin is formed between the heat preservation sleeve and the valve body, a heat exchange coil is spirally arranged on the valve body in the heat preservation bin, the heat exchange coil is used for uniformly distributing the heat conducting oil outside the valve body, the heat preservation bin is also filled with heat preservation filler, and the outer side of the heat preservation filler is provided with a heat insulation pad layer laid on the inner wall outside the heat preservation bin.

[0005] Preferably, a storage tank for storing heat conducting oil is arranged below the valve body, an abutting seat and an external thread joint are arranged at the bottom of the valve body and the top of the storage tank respectively, and an internal thread interface for accommodating the external thread joint is arranged at the bottom of the abutting seat.

[0006] Preferably, a sealing gasket for sealing is arranged in the internal thread interface, and the top end of the external thread joint abuts on the sealing gasket.

[0007] Preferably, a liquid supply mechanism for supplying heat exchange coil with liquid is arranged in the storage tank, the liquid supply mechanism comprises a high-temperature pump and a liquid outlet pipe, the high-temperature pump and the liquid outlet pipe are respectively installed at both ends of the heat exchange coil, the high-temperature pump is arranged at the bottom of the storage tank, and one end of the liquid outlet pipe is arranged at the top of the storage tank.

[0008] Preferably, a heating assembly for heating the heat conducting oil is further arranged in the storage tank, and a pressure relief valve is arranged at the top of the storage tank.

[0009] Preferably, a thermometer for temperature detection is further arranged in the heat preservation bin.

[0010] Preferably, the outer wall of the oil storage tank is also provided with a partially transparent area in the longitudinal direction.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) The utility model discloses a heat -preserving filler and heat -insulating pad are added to form double -layer heat -insulating area through heat exchange coil outside the valve body, improve the heat preservation effect of valve body, reduce the loss of heat preservation temperature.

[0013] (2) The utility model discloses a heat -preserving filler and heat -insulating pad are added to form double -layer heat -insulating area through heat exchange coil outside the valve body, improve the heat preservation effect of valve body, reduce the loss of heat preservation temperature. DRAWINGS

[0014] Figure 1 It is the side view of the utility model;

[0015] Figure 2 It is the first sectional view of the utility model;

[0016] Figure 3 It is the second sectional view of the utility model;

[0017] In the drawing: 1, valve body;2, heat preservation cover;3, liquid outlet pipe;4, pressure relief valve;5, oil storage tank;6, external thread joint;7, docking seat;8, high temperature pump;9, heating assembly;10, sealing pad;11, thermometer;12, heat preservation bin;13, heat preservation filler;14, heat exchange coil;15, internal thread interface;16, transparent area;17, heat insulation pad. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0019] Reference Figures 1-3 As shown in the utility model provides a double heat -insulating layer heat preservation valve, including: the valve body 1 with heat preservation cover 2, the hollow heat preservation bin 12 is formed between heat preservation cover 2 and valve body 1, the heat exchange coil 14 of spiral winding on valve body 1 is arranged in heat preservation bin 12, the heat exchange coil 14 is used for distributing heat -conducting oil evenly outside valve body 1, heat preservation bin 12 is also filled with heat preservation filler 13, the outer side of heat preservation filler 13 is provided with heat insulation pad 17 laid on the outer side inner wall of heat preservation bin 12.

[0020] As described above, using the insulation sleeve 2, valve body 1, heat exchange coil 14, insulation filler 13, and insulation pad 17 provided by this utility model, the heat exchange coil 14 forms an insulation area between the insulation sleeve 2 and the valve body 1 for insulation. During insulation, the insulation filler 13 concentrates the temperature around the valve body 1, which facilitates the formation of an insulation layer around the valve body 1. The insulation pad 17 can prevent the temperature in the insulation layer from escaping outward, improve the insulation effect of the equipment, and realize the dual insulation function of the valve body 1.

[0021] In this utility model, combined with Figures 1-2 As shown, the valve body 1 of this embodiment is provided with an oil storage tank 5 for storing heat transfer oil below it. The bottom of the valve body 1 and the top of the oil storage tank 5 are respectively provided with a docking seat 7 and an external threaded connector 6. The bottom of the docking seat 7 is provided with an internal threaded interface 15 for accommodating the external threaded connector 6.

[0022] Combination Figure 2 As shown, the sealing gasket 10 in the internal threaded interface 15 is used for sealing, and the top of the external threaded connector 6 abuts against the sealing gasket 10.

[0023] As described above, when using the oil storage tank 5 provided by this utility model, the oil storage tank 5 is detachably installed on the valve body 1 through the docking seat 7 and the external threaded joint 6. The oil storage tank 5 is detachably installed on the docking seat 7 through the internal threaded interface 15, thereby facilitating the disassembly and maintenance of the oil storage tank 5. The sealing gasket 10 plays a sealing role between the docking seat 7 and the external threaded joint 6.

[0024] Furthermore, to facilitate monitoring of the heat transfer oil level in storage tank 5, refer to... Figure 1 As shown, a partially transparent area 16 is also provided on the outer wall of the oil storage tank 5 along the longitudinal direction. The height of the heat transfer oil level in the oil storage tank 5 can be viewed through the transparent area 16, which facilitates the addition of heat transfer oil to the oil storage tank 5.

[0025] In this utility model, combined with Figure 2 As shown, the oil storage tank 5 of this embodiment is provided with a liquid supply mechanism for supplying liquid to the heat exchange coil 14. The liquid supply mechanism includes a high-temperature pump 8 and a liquid outlet pipe 3. The high-temperature pump 8 and the liquid outlet pipe 3 are respectively installed at both ends of the heat exchange coil 14. The high-temperature pump 8 is located at the bottom of the oil storage tank 5, and one end of the liquid outlet pipe 3 is located at the top of the oil storage tank 5.

[0026] Combination Figure 2 As shown, the insulated chamber 12 is also equipped with a thermometer 11 for temperature detection.

[0027] The above, in use the liquid supply mechanism provided by the utility model, the temperature of the valve body 1 can be detected by the thermometer 11, when the temperature is lower than the threshold value, the high temperature pump 8 starts, the heat conducting oil in the oil storage tank 5 is circulated and distributed at different positions of the valve body 1 through the heat exchange coil 14, the heat preservation area for heat preservation of the valve body 1 is formed around the valve body 1, and the heat conducting oil in the heat exchange coil 14 is circulated into the oil storage tank 5 through the liquid outlet pipe 3, so that the heat conducting oil can be recycled.

[0028] Further, in order to facilitate heating of the heat conducting oil, referring to Figure 2 The top of the oil storage tank 5 is provided with a pressure relief valve 4. The heat conducting oil in the oil storage tank 5 is heated by the heating assembly 9, and high pressure is generated in the oil storage tank 5 during heating. In this process, the oil storage tank 5 is pressure relieved by the pressure relief valve 4.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A double-insulated valve, characterized in that, include: A valve body (1) with a heat insulation sleeve (2) is provided. A hollow heat insulation chamber (12) is formed between the heat insulation sleeve (2) and the valve body (1). A heat exchange coil (14) is spirally wound on the valve body (1) in the heat insulation chamber (12). The heat exchange coil (14) is used to evenly distribute the heat transfer oil on the outside of the valve body (1). The heat insulation chamber (12) is also filled with heat insulation filler (13). A heat insulation pad (17) is laid on the outer inner wall of the heat insulation chamber (12) on the outside of the heat insulation filler (13).

2. The double-insulation layer heat preservation valve according to claim 1, characterized in that: Below the valve body (1) is an oil storage tank (5) for storing heat transfer oil. The bottom of the valve body (1) and the top of the oil storage tank (5) are respectively provided with a docking seat (7) and an external threaded connector (6). The bottom of the docking seat (7) is provided with an internal threaded interface (15) for accommodating the external threaded connector (6).

3. The double-insulation layer heat preservation valve according to claim 2, characterized in that: The internal threaded interface (15) contains a sealing gasket (10) for sealing, and the top end of the external threaded connector (6) abuts against the sealing gasket (10).

4. The double-insulation layer heat preservation valve according to claim 3, characterized in that: The oil storage tank (5) is provided with a liquid supply mechanism for supplying liquid to the heat exchange coil (14). The liquid supply mechanism includes a high-temperature pump (8) and a liquid outlet pipe (3). The high-temperature pump (8) and the liquid outlet pipe (3) are respectively installed at both ends of the heat exchange coil (14). The high-temperature pump (8) is located at the bottom of the oil storage tank (5), and one end of the liquid outlet pipe (3) is located at the top of the oil storage tank (5).

5. A double-insulation layer heat preservation valve according to claim 2, characterized in that: The oil storage tank (5) is also equipped with a heating component (9) for heating the heat transfer oil, and a pressure relief valve (4) is provided on the top of the oil storage tank (5).

6. A double-insulation layer heat preservation valve according to claim 1, characterized in that: The insulated chamber (12) is also equipped with a thermometer (11) for temperature detection.

7. A double-insulation layer heat preservation valve according to claim 2, characterized in that: The outer wall of the oil storage tank (5) is also provided with a partially transparent area (16) along the longitudinal direction.

Images