High-temperature valve heat insulation structure

Abstract

The utility model relates to the technical field of valves, and discloses a high-temperature valve heat insulation structure which comprises a valve body, connecting flanges are arranged at the two ends of the valve body, heat insulation sleeves are arranged on the outer walls of the connecting flanges, limiting plates which are symmetrically arranged are fixedly installed on one sides of the heat insulation sleeves, and each limiting plate is of an arc-shaped structure. The limiting plates make contact with the outer wall of one side of the connecting flange, the end of one limiting plate is fixedly connected with symmetrically-arranged mounting blocks, and movable holes are formed in the mounting blocks. The valve body has a good heat insulation effect through the heat insulation pad wrapping the outer side of the valve body, heat transfer is reduced, the heat insulation effect of the valve body is effectively improved, energy waste is reduced, the external temperature of the valve body is reduced, the external temperature of the valve body and the connecting flange can be effectively reduced through the heat insulation sleeve arranged at the connecting flange in a matched mode, and the service life of the valve body is prolonged. An operator can be prevented from being scalded when making contact with the valve body, and the safety of the operator is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve technical field, concretely relates to a high temperature valve heat insulation structure. BACKGROUND

[0002] In the fluid conveying system, the valve is indispensable control component, it mainly has adjustment, flow guide, anti reverse flow, cut off, shunt function, and the valve is very widely used in industrial and civil fields. High temperature valve is a kind of type commonly used in valve, and its specific performance is as follows: quenching performance is good, can carry out depth quenching, good fusion property, has good absorption performance to impact, is difficult to be damaged by violence, has less tendency to temper brittleness and so on.

[0003] In industrial production, especially in chemical industry, electric power, metallurgy and other fields, the conveying and control problems of high temperature medium are often encountered. As a key component for controlling the flow of high temperature medium, the heat insulation performance of high temperature valve is crucial. The traditional high temperature valve has the problem of poor heat insulation effect, which not only causes serious heat loss and energy waste, but also may cause the temperature of the valve body to be too high, threatening the safety of the operator.

[0004] Therefore, the utility model is proposed. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0006] A kind of high temperature valve heat insulation structure, including valve body, the valve body both ends are provided with connecting flange, the connecting flange outer wall is provided with heat insulation sleeve, the heat insulation sleeve one side is fixedly installed with the limit board of symmetrical arrangement, and limit board is arc structure, limit board and the outer wall of one side of connecting flange are in contact, one limit board end position is fixedly connected with the mounting block of symmetrical arrangement, the movable hole is opened in the mounting block, and the first fixed screw rod is arranged in the movable hole inner side, one limit board end position is fixedly connected with the limit block of symmetrical arrangement, the first screw thread fixed hole is opened in the limit block, the first fixed screw rod is screwed in the first screw thread fixed hole, the valve body outer wall is wrapped with heat insulation pad, the heat insulation pad outer wall is surrounded with two fixed bands, and fixed band is symmetrically arranged, the fixed band both ends are provided with mounting plate and connecting plate respectively, the through hole is opened in the mounting plate, and the second fixed screw rod is arranged in the through hole inner side, the second screw thread fixed hole is opened in the connecting plate, and the second fixed screw rod is screwed in the second screw thread fixed hole.

[0007] As a preferred embodiment of the utility model, the valve stem is installed on the valve body, and the valve stem is connected with the valve core inside the valve body.

[0008] As an optimal implementation form of the present application, a hand wheel is arranged on the top of the valve rod, and a heat insulation ring is arranged on the outer wall of the hand wheel.

[0009] As an optimal implementation form of the present application, mounting holes are arranged on the limiting plate in equidistant distribution, and the mounting holes correspond to the connecting holes on the connecting flange.

[0010] As an optimal implementation form of the present application, a first fastening nut is arranged on the bottom end of the first fixing screw, and the first fastening nut is in contact with the outer wall of one side of the limiting block.

[0011] As an optimal implementation form of the present application, a second fastening nut is arranged on the bottom end of the second fixing screw, and the second fastening nut is in contact with the outer wall of one side of the connecting plate.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] The present application has the following beneficial effects compared with the prior art:

[0014] The specific implementation forms of the present application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0015] In the drawings:

[0016] Figure 1 It is a whole structure schematic view of the high-temperature valve heat insulation structure of the present application;

[0017] Figure 2 It is a side view structure schematic view of the high-temperature valve heat insulation structure of the present application;

[0018] Figure 3 It is a heat insulation sleeve structure schematic view of the high-temperature valve heat insulation structure of the present application;

[0019] Figure 4 It is a high temperature valve heat insulation structure's heat insulation sleeve side view structure schematic diagram of the utility model;

[0020] Figure 5 It is a high temperature valve heat insulation structure's heat insulation pad structure schematic diagram of the utility model;

[0021] Figure 6 It is a high temperature valve heat insulation structure's fixed band structure schematic diagram of the utility model.

[0022] In the drawing: 1, valve body;2, valve stem;3, hand wheel;4, heat insulation ring;5, connecting flange;6, heat insulation pad;7, fixed band;8, heat insulation sleeve;9, limiting plate;10, mounting block;11, limiting block;12, mounting hole;13, first fixed screw;14, first fastening nut;15, mounting plate;16, connecting plate;17, second fixed screw;18, second fastening nut. Specific embodiments

[0023] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment will be clearly and completely described below in combination with the drawings in the embodiment of the utility model, and the following embodiments are used to illustrate the utility model.

[0024] As Figures 1 to 6 shown:

[0025] The utility model provides a high temperature valve heat insulation structure, including valve body 1, is installed valve stem 2 on valve body 1, and valve stem 2 is connected with the valve core of valve body 1 inside, and the top of valve stem 2 is installed hand wheel 3, and the outer wall of hand wheel 3 is sleeved with heat insulation ring 4, and both ends of valve body 1 are all provided with connecting flange 5, and the outer wall of connecting flange 5 is provided with heat insulation sleeve 8, and one side of heat insulation sleeve 8 is fixedly installed with the limiting plate 9 of symmetrical setting, and limiting plate 9 is arc structure, and limiting plate 9 is in contact with the outer wall of one side of connecting flange 5, and the mounting hole 12 of equidistance distribution is seted up on limiting plate 9, and the connecting hole on connecting flange 5 is corresponded, and one limiting plate 9 end position fixedly connected with the mounting block 10 of symmetrical setting, and the movable hole is seted up on mounting block 10, and the first fixed screw rod 13 is seted up in the movable hole inside, and one limiting plate 9 end position fixedly connected with the limiting block 11 of symmetrical setting, and the first threaded fixed hole is seted up on limiting block 11, and the first fixed screw rod 13 is screwed in the first threaded fixed hole, and the first fastening nut 14 is seted up in the bottom end of first fixed screw rod 13, and the first fastening nut 14 is in contact with the outer wall of one side of limiting block 11, when heat insulation sleeve 8 is installed at connecting flange 5, the first fixed screw rod 13 is screwed in the first threaded fixed hole seted up on limiting block 11, then the first fastening nut 14 is screwed in the bottom end position of first fixed screw rod 13, make limiting plate 9 fixedly connected together, can realize the stable installation of heat insulation sleeve 8, and the outer wall of valve body 1 is wrapped with heat insulation pad 6, and the valve body 1 has better heat insulation effect by the heat insulation pad 6 wrapped on the outer side of valve body 1, reduces the transmission of heat, effectively improves the heat insulation effect of valve body 1, cooperates the heat insulation sleeve 8 seted up at connecting flange 5, can effectively reduce the external temperature of valve body 1 and connecting flange 5, so that the operator can avoid being scalded when contacting valve body 1, guarantee the safety of operator, and the outer wall of heat insulation pad 6 is surrounded with two fixed bandages 7, and the fixed bandages 7 are symmetrically seted up, and the two ends of fixed bandages 7 are provided with mounting plate 15 and connecting plate 16 respectively, and the through hole is seted up on mounting plate 15, and the second fixed screw rod 17 is seted up in the through hole inside, and the second threaded fixed hole is seted up on connecting plate 16, and the second fixed screw rod 17 is screwed in the second threaded fixed hole, and the second fastening nut 18 is seted up in the bottom end of second fixed screw rod 17, and the second fastening nut 18 is in contact with the outer wall of one side of connecting plate 16, when heat insulation pad 6 is wrapped on valve body 1, then the second fixed screw rod 17 is screwed in the second threaded fixed hole seted up on connecting plate 16, make the mounting plate 15 and connecting plate 16 fixedly connected together at the end position of fixed bandages 7, then the second fastening nut 18 is screwed in the bottom end position of second fixed screw rod 17, can realize the fixed effect of fixed bandages 7, make the stable effect to heat insulation pad 6.

[0026] The implementation principle of the high temperature valve heat insulation structure of the embodiment is as follows:

[0027] In specific use, the valve body 1 has good heat insulation effect by wrapping the heat insulation pad 6 outside the valve body 1, reduces the heat transfer, effectively improves the heat insulation effect of the valve body 1, when the heat insulation pad 6 is wrapped on the valve body 1, the fixing band 7 is wound on the outer wall of the heat insulation pad 6, then the second fixing screw 17 is screwed in the second threaded fixing hole of the connecting plate 16, so that the mounting plate 15 and the connecting plate 16 fixedly connected together at the end position of the fixing band 7, then the second fastening nut 18 is screwed at the bottom end position of the second fixing screw 17, can realize the fixing effect of the fixing band 7, so that the heat insulation pad 6 plays a stable role, then cooperate with the heat insulation sleeve 8 arranged at the connecting flange 5, can effectively reduce the external temperature of the valve body 1 and the connecting flange 5, so that the operator can avoid being scalded when contacting the valve body 1, ensures the safety of the operator, when the heat insulation sleeve 8 is installed at the connecting flange 5, the first fixing screw 13 is screwed in the first threaded fixing hole of the limiting block 11, then the first fastening nut 14 is screwed at the bottom end position of the first fixing screw 13, so that the limiting plate 9 is fixedly connected together, can realize the stable installation of the heat insulation sleeve 8.

Claims

1. A high-temperature valve insulation structure, comprising a valve body (1), characterized in that, The valve body (1) is provided with connecting flanges (5) at both ends. The outer wall of the connecting flange (5) is provided with a heat insulation sleeve (8). A symmetrically arranged limiting plate (9) is fixedly installed on one side of the heat insulation sleeve (8). The limiting plate (9) has an arc-shaped structure. The limiting plate (9) is in contact with the outer wall of one side of the connecting flange (5). A symmetrically arranged mounting block (10) is fixedly connected to the end of one of the limiting plates (9). The mounting block (10) has a movable hole, and a first fixing screw (13) is provided inside the movable hole. A symmetrically arranged limiting block (11) is fixedly connected to the end of one of the limiting plates (9). The limiting block (11) has a first threaded fixing hole, and the first fixing screw (13) is screwed into the first threaded fixing hole. The outer wall of the valve body (1) is wrapped with a heat insulation pad (6). The outer wall of the heat insulation pad (6) is surrounded by two fixing straps (7), and the fixing straps (7) are symmetrically arranged. The two ends of the fixing straps (7) are respectively provided with a mounting plate (15) and a connecting plate (16). The mounting plate (15) has a through hole, and the inner side of the through hole is provided with a second fixing screw (17). The connecting plate (16) has a second threaded fixing hole, and the second fixing screw (17) is screwed into the second threaded fixing hole.

2. The high-temperature valve insulation structure according to claim 1, characterized in that, A valve stem (2) is installed on the valve body (1), and the valve stem (2) is connected to the valve core inside the valve body (1).

3. The high-temperature valve insulation structure according to claim 2, characterized in that, A handwheel (3) is installed on the top of the valve stem (2), and a heat insulation ring (4) is sleeved on the outer wall of the handwheel (3).

4. The high-temperature valve insulation structure according to claim 1, characterized in that, The limiting plate (9) has equidistantly distributed mounting holes (12), and the mounting holes (12) correspond to the connecting holes on the connecting flange (5).

5. The high-temperature valve insulation structure according to claim 1, characterized in that, The first fixing screw (13) is screwed to the bottom end with a first fastening nut (14), and the first fastening nut (14) is in contact with the outer wall of one side of the limiting block (11).

6. The high-temperature valve insulation structure according to claim 1, characterized in that, The bottom end of the second fixing screw (17) is screwed with a second fastening nut (18), and the second fastening nut (18) is in contact with the outer wall of one side of the connecting plate (16).

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