Safety protection device for pressure release valve of high-pressure pipe of screw refrigerating machine

Abstract

The utility model belongs to the technical field of cigarette processing, and discloses a safety protection device for a pressure release valve of a high-pressure pipe of a screw refrigerating machine, which comprises a pressure release valve flange plate, a hemispherical protective cover and a hoop component, and the pressure release valve flange plate is arranged on the pressure release valve; the hemispherical protective cover is arranged on the outer surface of the pressure release valve flange plate, and a buffer space is formed between the interior of the hemispherical protective cover and the pressure release valve flange plate; and the hoop assembly is used for connecting the hemispherical protective cover with the flange plate of the pressure release valve. According to the device, the hemispherical protective cover and the pressure release valve flange plate are fixedly connected through the hoop assembly, so that the pressure release valve flange plate is protected by the hemispherical protective cover, the hemispherical protective cover is of a hemispherical structure, collision stress can be better dispersed, a buffer space is provided, and a better protective effect can be achieved; and the hemispherical protective cover is connected and matched with the pressure release valve flange plate through the hoop assembly, so that leakage of the pressure release valve flange plate can be avoided, and the life safety of workers is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette processing, in particular to a safety protection device for a pressure relief valve of a high-pressure pipe of a screw refrigerator. Background Art

[0002] In tobacco industry enterprises, the scope of use of screw refrigerators is becoming more and more extensive. Its main uses are divided into three types. First, ventilation, mainly used in the working areas that require ventilation such as the silk workshop, spice kitchen and tobacco warehouse. Second, air conditioning, mainly used in blending, tobacco storage, storage, rolling workshop, mouth rod forming, auxiliary materials, preparation and other working areas with high requirements for ambient temperature and humidity, to establish independent constant temperature and humidity machines. Third, set up a separate constant temperature and humidity machine to stabilize the working environment with high requirements for ambient temperature and humidity, giving people a sense of comfort.

[0003] The screw chiller refrigerant pressure relief valve is installed on the rear end cover of the refrigerant filter drier, and is mainly used to relieve pressure when the filter drier is replaced for maintenance. However, due to the certain pressure in the unit and the low installation position, it is easy for operators to accidentally collide and cause refrigerant leakage. After the refrigerant leaks, it replaces the oxygen in the air, which is very likely to cause suffocation accidents, posing a safety hazard. Utility Model Content

[0004] The utility model aims to provide a safety protection device for a pressure relief valve of a high-pressure pipe of a screw refrigerator, so as to solve the problem that the pressure relief valve and an operator collide and easily cause the refrigerant to leak.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A screw refrigerator high pressure pipe pressure relief valve safety protection device, comprising:

[0007] A pressure relief valve flange, wherein the pressure relief valve flange is arranged on the pressure relief valve;

[0008] A hemispherical protective cover, wherein the hemispherical protective cover is arranged on the outer surface of the pressure relief valve flange, and a buffer space is formed between the interior of the hemispherical protective cover and the pressure relief valve flange;

[0009] A clamp assembly is used to connect the hemispherical protective cover to the pressure relief valve flange.

[0010] Optionally, the clamp assembly includes a first semicircular clamp and a second semicircular clamp, the inner sides of the first semicircular clamp and the second semicircular clamp are both formed with grooves, the edge of the hemispherical protective cover and the edge of the pressure relief valve flange are both clamped in the grooves, and the end of the first semicircular clamp and the end of the second semicircular clamp are connected by connecting bolts.

[0011] Optionally, the edge of the hemispherical protective cover is formed with a spreading edge, and the spreading edge is inserted into the groove.

[0012] Optionally, a circular hole is formed on the extended edge, and the circular hole is aligned with the screw hole on the flange of the pressure relief valve.

[0013] Optionally, a silicone pad is embedded in the circumferential direction of the edge of the pressure relief valve flange.

[0014] Optionally, the hemispherical protective cover is made of metal material.

[0015] Beneficial effects of the utility model:

[0016] The utility model provides a screw refrigerator high-pressure pipe pressure relief valve safety protection device, which installs a hemispherical protective cover on the pressure relief valve flange, and fixes the hemispherical protective cover to the pressure relief valve flange through a clamp assembly, thereby realizing the protection of the pressure relief valve flange by the hemispherical protective cover. The hemispherical protective cover has a hemispherical structure, which can better disperse the stress of collision and has a buffer space, so as to achieve a better protection effect. The hemispherical protective cover is connected and cooperated with the pressure relief valve flange through the clamp assembly, which can avoid leakage of the pressure relief valve flange and protect the lives of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying creative work.

[0018] Figure 1 It is a structural schematic diagram of a screw refrigerator high pressure pipe pressure relief valve safety protection device provided by the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the hemispherical protective cover in the utility model;

[0020] Figure 3 It is a cross-sectional view of the hemispherical protective cover in the utility model.

[0021] In the figure:

[0022] 100. Pressure relief valve flange; 110. Silicone pad; 200. Hemispherical protective cover; 210. Expanded edge; 211. Round hole; 300. Clamp assembly; 310. First semicircular clamp; 320. Second semicircular clamp; 330. Groove; 340. Connecting bolt. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0024] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0026] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0028] like Figures 1 to 3As shown, the utility model provides a screw refrigerator high pressure pipe pressure relief valve safety protection device, comprising a pressure relief valve flange 100, a hemispherical protective cover 200 and a clamp assembly 300. The pressure relief valve flange 100 is arranged on the pressure relief valve; the hemispherical protective cover 200 is arranged on the outer surface of the pressure relief valve flange 100, and a buffer space is formed between the interior of the hemispherical protective cover 200 and the pressure relief valve flange 100; the clamp assembly 300 is used to connect the hemispherical protective cover 200 with the pressure relief valve flange 100.

[0029] The utility model provides a screw refrigerator high-pressure pipe pressure relief valve safety protection device, which installs a hemispherical protective cover 200 on the pressure relief valve flange 100, and fixes the hemispherical protective cover 200 to the pressure relief valve flange 100 through a clamp assembly 300, thereby realizing the protection of the pressure relief valve flange 100 by the hemispherical protective cover 200. The hemispherical protective cover 200 has a hemispherical structure, which can better disperse the stress of the collision and has a buffer space, so as to achieve a better protection effect. In addition, the hemispherical protective cover 200 is connected and cooperated with the pressure relief valve flange 100 through the clamp assembly 300, which can avoid leakage of the pressure relief valve flange 100 and protect the lives of the staff.

[0030] In some embodiments, the clamp assembly 300 includes a first semicircular clamp 310 and a second semicircular clamp 320, the inner side surfaces of the first semicircular clamp 310 and the second semicircular clamp 320 are both formed with a groove 330, the edge of the hemispherical protective cover 200 and the edge of the pressure relief valve flange 100 are both clamped into the groove 330, and the end of the first semicircular clamp 310 and the end of the second semicircular clamp 320 are connected by a connecting bolt 340. The groove 330 on the inner side surfaces of the first semicircular clamp 310 and the second semicircular clamp 320 can clamp the hemispherical protective cover 200 and the pressure relief valve flange 100 together, and the first semicircular clamp 310 and the second semicircular clamp 320 are fastened together by the connecting bolt 340.

[0031] Optionally, the edge of the hemispherical protective cover 200 is formed with a spread edge 210, which is inserted into the groove 330. The setting of the spread edge 210 forms a flange of the hemispherical protective cover 200, which facilitates the hemispherical protective cover 200 to be clamped in the groove 330 of the first semicircular clamp 310 and the second semicircular clamp 320. The spread edge 210 is provided with a circular hole 211, which is aligned with the screw hole on the pressure relief valve flange 100. The setting of the circular hole 211 facilitates the connection between the spread edge 210 on the hemispherical protective cover 200 and the pressure relief valve flange 100 by bolts, thereby ensuring a good fixing effect between the hemispherical protective cover 200 and the pressure relief valve flange 100 to prevent loosening.

[0032] In some embodiments, a silicone pad 110 is embedded circumferentially at the edge of the pressure relief valve flange 100. The silicone pad 110 can prevent the first semicircular clamp 310 and the second semicircular clamp 320 from being too tight and causing extrusion damage to the pressure relief valve flange 100. It can also play a sealing role to prevent refrigerant leakage.

[0033] In some specific embodiments, the hemispherical protective cover 200 is made of metal material. For example, the hemispherical protective cover 200 is made of stainless steel. The hemispherical protective cover 200 made of stainless steel has greater protection strength, is convenient for forming better protection, and has low cost and high cost performance.

[0034] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A screw refrigerator high pressure pipe pressure relief valve safety protection device, characterized in that: include: A pressure relief valve flange, wherein the pressure relief valve flange is arranged on the pressure relief valve; A hemispherical protective cover, wherein the hemispherical protective cover is arranged on the outer surface of the pressure relief valve flange, and a buffer space is formed between the interior of the hemispherical protective cover and the pressure relief valve flange; A clamp assembly is used to connect the hemispherical protective cover to the pressure relief valve flange.

2. The screw refrigerator high pressure pipe pressure relief valve safety protection device according to claim 1, characterized in that: The clamp assembly includes a first semicircular clamp and a second semicircular clamp, the inner sides of the first semicircular clamp and the second semicircular clamp are both formed with grooves, the edge of the hemispherical protective cover and the edge of the pressure relief valve flange are both clamped in the grooves, and the end of the first semicircular clamp and the end of the second semicircular clamp are connected by connecting bolts.

3. The screw refrigerator high pressure pipe pressure relief valve safety protection device according to claim 2, characterized in that: The edge of the hemispherical protective cover is formed with an extended edge, and the extended edge is inserted into the groove.

4. The screw refrigerator high pressure pipe pressure relief valve safety protection device according to claim 3, characterized in that: The expanded edge is provided with a circular hole, and the circular hole is arranged in alignment with the screw hole on the flange of the pressure relief valve.

5. The screw refrigerator high pressure pipe pressure relief valve safety protection device according to claim 1, characterized in that: A silicone pad is embedded in the edge of the pressure relief valve flange along the circumferential direction.

6. The screw refrigerator high pressure pipe pressure relief valve safety protection device according to any one of claims 1 to 5, characterized in that: The hemispherical protective cover is made of metal material.

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