Test equipment for research and development of high-temperature-resistant shell of centrifugal compressor

Abstract

The utility model relates to the technical field of research and development of high-temperature-resistant shells, and discloses test equipment for research and development of a high-temperature-resistant shell of a centrifugal compressor, which comprises a test equipment main body, a compressor shell is arranged in the test equipment main body, and a heating assembly is arranged in the test equipment main body. A second protective door is arranged on the outer wall of the test equipment body, the heating assembly comprises a connecting plate, the outer wall of the connecting plate is fixedly connected to the interior of the test equipment body, a heating pipe is fixedly connected to the interior of the connecting plate, and the face, away from the inner wall of the test equipment body, of the heating pipe is arranged on the two sides of the outer wall of the compressor shell. According to the utility model, the heating pipes are arranged on the two sides inside the test equipment main body and heat the two sides of the shell, so that the surface of the shell can be uniformly heated, and the phenomenon that the temperature of a corner position is much lower than that of a central position and the effect of accurately evaluating the high-temperature resistance of the shell is interfered is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to high temperature resistant shell research and development technical field especially relates to a centrifugal compressor's high temperature resistant shell research and development test equipment. BACKGROUND

[0002] Centrifugal compressor mainly is through the high -speed rotation impeller to gas work, make gas under the action of centrifugal force be accelerated, then decelerate, pressurize in diffuser.In the centrifugal compressor production process needs to use high temperature resistant test equipment, its reason is as follows: first, ensure the operation safety, centrifugal compressor when working, gas is compressed at high speed can produce a large amount of heat, if the high temperature resistant performance of shell is insufficient, may occur deformation under high temperature environment;Second, verify material performance, long time in high temperature environment, the performance of material will gradually decline, such as strength reduction, toughness deterioration etc.

[0003] The high temperature resistant shell research and development test equipment of centrifugal compressor is generally composed of heating device, cooling device, driving device and protection device, wherein the heating device is usually heated to the shell by gas heating, and the heat is blown out from the inner partition to heat the shell, and the cooling device is cooled to the inner shell by natural wind.

[0004] The existing high temperature resistant shell research and development test equipment of centrifugal compressor is generally heated to the shell by burning gas, and the heat is blown into the test device by the fan, and the heat is heated from inside to outside by the air outlet plate arranged in the device, and the heating device is usually arranged on one side of the equipment, which can make the shell near the heating device side heat up fast, and the shell far away from the heating device side heat up slowly because of the long distance, which can cause the shell to heat unevenly and the high temperature evaluation to be inaccurate. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a high temperature resistant shell research and development test equipment of centrifugal compressor, which aims at improving the problem of uneven heating temperature of the shell caused by the heating device arranged on one side of the equipment in the existing structure.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of high-temperature-resistant shell of centrifugal compressor research and development is used test equipment, including test equipment main body, the compressor shell is arranged in the test equipment main body, heating assembly is arranged in the test equipment main body, protective door two is provided on the outer wall of the test equipment main body, fixedly connected with fixed block two on the outer wall of protective door two, rotatably connected with connecting rod two in the fixed block two, fixedly connected with fixed block one on the outer wall of connecting rod two, the outer wall of fixed block one is fixedly connected on the outer wall of the test equipment main body, the heating assembly includes connecting plate, the connecting plate is fixedly connected in the test equipment main body on the outer wall, heating pipe is fixedly connected in the connecting plate, reinforcing component is provided on the outer wall of heating pipe, and the reinforcing component is used to strengthen the fixation of heating pipe, one side of the heating pipe away from the inner wall of test equipment main body is provided on the outer wall of the compressor shell two sides.

[0007] Further, the reinforcing component includes a fixed plate, the fixed plate is fixedly connected with a heating pipe on one side close to the inner wall of the test equipment main body, a screw is threadedly connected in the fixed plate, the screw is threadedly connected in the connecting plate, and the screw is threadedly connected in the test equipment main body.

[0008] Further, the outer wall of the test equipment main body is fixedly connected with a shell one, a blower is fixedly connected in the shell one, an air inlet pipe is fixedly connected to the input end of the blower, the outer wall of the air inlet pipe is fixedly connected in the test equipment main body, a conveying pipe is fixedly connected to the output end of the blower, one end of the conveying pipe away from the blower is fixedly connected with a shell two, and the upper surface of the shell two is provided with a protective door one.

[0009] Further, the outer wall of the conveying pipe is fixedly connected with a partition, the partition is fixedly connected with a filler on the upper surface, and the outer wall of the conveying pipe is arranged in the filler.

[0010] Further, the shell two is fixedly connected with a connecting rod one in the protruding inside, the outer wall of the connecting rod one is rotatably connected in the protective door one, a magnet is fixedly connected in the protective door one, and the outer wall of the magnet is fixedly connected in the shell two.

[0011] Further, the recess below the shell two in the test equipment main body is provided with an electric fan, and the output end of the electric fan is arranged above the compressor shell.

[0012] Further, the outer wall of the protective door two is fixedly connected with a handle, and the outer wall of the handle is fixedly connected with a soft pad.

[0013] Further, the protective door two is fixedly connected with an observation window.

[0014] The utility model has the advantages of the following:

[0015] 1. In the utility model, the heating pipe is arranged on both sides of the test equipment main body, the two sides of the shell are heated by the heating pipe, the shell surface can be uniformly heated, the temperature of the corner position is not much lower than that of the center position, the effect of accurately evaluating the high temperature resistance of the shell is not interfered, and the fixing component is installed on the outer wall of the heating pipe to reinforce the fixing of the heating pipe in the equipment, so that the test is terminated due to the falling of the heating pipe in the test process is prevented.

[0016] 2. In the utility model, the air inlet pipe is arranged in the equipment, the waste heat accumulated below the equipment is recycled by the air blower, the heat is moved in the conveying pipe by the air blower, and then the heat is blown from the upper part of the equipment to the lower part by the fan, so that the heat loss is reduced, the internal circulation formed by the waste heat recovery device is used to accelerate the heating rate of the shell, and when the shell needs to be cooled, the protective door is opened to let the natural wind blow into the equipment through the fan, so that the cooling effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic diagram of the test equipment for developing the high temperature resistant shell of the centrifugal compressor;

[0018] Figure 2 It is a fan part structure schematic diagram of the test equipment for developing the high temperature resistant shell of the centrifugal compressor;

[0019] Figure 3 It is Figure 2 the enlarged view of A in the utility model;

[0020] Figure 4 It is a heating pipe part structure schematic diagram of the test equipment for developing the high temperature resistant shell of the centrifugal compressor.

[0021] LEGEND:

[0022] 1, test equipment main body; 2, shell one; 3, shell two; 4, protective door one; 5, connecting rod one; 6, conveying pipe; 7, connecting rod two; 8, fixed block one; 9, fixed block two; 10, handle; 11, soft pad; 12, connecting plate; 13, observation window; 14, compressor shell; 15, air blower; 16, air inlet pipe; 17, fan; 18, magnet; 19, heating pipe; 20, filler; 21, partition; 22, fixed plate; 23, screw; 24, protective door two. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] With reference to Figure 1 , Figure 2 and Figure 4This utility model provides an embodiment of a test device for the research and development of a high-temperature resistant casing for a centrifugal compressor. The device includes a main body 1, inside which a compressor casing 14 is housed. By placing the compressor casing 14 inside the main body 1, high-temperature resistance testing of the compressor casing 14 can be conveniently performed. A heating assembly is installed inside the main body 1. A protective door 24 is provided on the outer wall of the main body 1 to protect the interior of the device and prevent heat loss. A fixing block 9 is fixedly connected to the outer wall of the protective door 24, allowing for easy opening and closing of the protective door 24. The protective door 24 is rotatably connected to the inner wall of the fixed block 29 via a connecting rod 7. Rotating the fixed block 29 on the outer wall of the connecting rod 7 allows it to rotate. A fixed block 8 is fixedly connected to the outer wall of the connecting rod 7. Installing the connecting rod 27 inside the fixed block 8 facilitates subsequent rotation of the protective door 24. The outer wall of the fixed block 8 is fixedly connected to the outer wall of the main body 1 of the test equipment, allowing the protective door 24 to rotate within the outer wall of the main body 1. The heating assembly includes a connecting plate 12, whose outer wall is fixedly connected to the inner wall of the main body 1 of the test equipment. Installing the connecting plate 12 inside the main body 1 facilitates subsequent installation of the heating tube 19. A heating tube 19 is fixedly connected inside the connecting plate 12. Installing the heating tube 19 inside the connecting plate 12 allows for normal heating operation. A reinforcing component is provided on the outer wall of the heating tube 19 to strengthen its fixation. The side of the heating tube 19 furthest from the inner wall of the main body 1 of the test equipment is positioned on both sides of the outer wall of the compressor housing 14. Positioning the heating tube 19 on both sides of the outer wall of the compressor housing 14 ensures uniform heating and prevents one side from being colder than the other. The reinforcing component includes a fixing plate 22. The side of the fixing plate 22 closest to the inner wall of the main body 1 of the test equipment is fixedly connected to the heating tube 19, thus reinforcing the heating tube 19. The connection to the connecting plate 12 is achieved by screws 23 threaded inside the fixing plate 22, with the screws 23 threaded inside the connecting plate 12 and inside the main body 1 of the test equipment. By tightening the screws 23, the fixing plate 22 can be fixed inside the equipment. A handle 10 is fixedly connected to the outer wall of the second protective door 24, allowing the door to be opened and closed. A soft pad 11 is fixedly connected to the outer wall of the handle 10 to prevent heat from the equipment from being conducted to the handle 10, making it inconvenient to open and close. An observation window 13 is fixedly connected inside the second protective door 24, allowing observation of the high-temperature resistance test inside the equipment.

[0025] Reference Figure 1 - Figure 4The outer wall of the test equipment main body 1 is fixedly connected with an outer shell 2, the inner part of the outer shell 2 is fixedly connected with a blower 15, the blower 15 can create conditions for collecting waste heat, the input end of the blower 15 is fixedly connected with an air inlet pipe 16, the outer wall of the air inlet pipe 16 is fixedly connected in the inner part of the test equipment main body 1, the air inlet pipe 16 is arranged in the inner part of the test equipment main body 1, which can facilitate the collection of waste heat, the output end of the blower 15 is fixedly connected with a conveying pipe 6, the conveying pipe 6 is installed at the output end of the blower 15, which can transmit waste heat, the end of the conveying pipe 6 away from the blower 15 is fixedly connected with an outer shell 3, the conveying pipe 6 is installed in the inner part of the outer shell 3, which can store waste heat, the upper surface of the outer shell 3 is provided with a protective door 4, the protective door 4 is installed above the outer shell 3, which can block the waste heat in the inner part of the outer shell 3; the outer wall of the conveying pipe 6 is fixedly connected with a partition plate 21, the partition plate 21 can separate the filler 20 and the blower 15, the upper surface of the partition plate 21 is fixedly connected with the filler 20, the outer wall of the conveying pipe 6 is arranged in the inner part of the filler 20, the filler 20 is arranged above the partition plate 21, which can reduce the contact between the conveying pipe 6 and the outside world, prevent the temperature of waste heat from being reduced, and cannot be reused; the inner part of the protrusion of the outer shell 3 is fixedly connected with a connecting rod 5, the connecting rod 7 is arranged in the inner part of the protrusion of the outer shell 3, which can create conditions for the opening and closing of the protective door 4, the outer wall of the connecting rod 5 at both ends is rotatably connected in the inner part of the protective door 4, the connecting rod 5 at both ends is rotatably connected in the inner part of the protective door 4, which can realize the opening and closing of the protective door 4, the inner part of the protective door 4 is fixedly connected with a magnet 18, the outer wall of the magnet 18 is fixedly connected in the inner part of the outer shell 3, the magnet 18 can tightly close the protective door 4 to prevent the loss of waste heat; the inner part of the test equipment main body 1 below the groove of the outer shell 3 is provided with a fan 17, the output end of the fan 17 is arranged above the compressor shell 14, the fan 17 can send waste heat into the equipment, the upward movement of waste heat can uniformly heat the surface of the compressor shell 14, and the overall temperature of the compressor shell 14 can be accelerated.

[0026] Working principle: when the compressor shell 14 is heated, through the heating pipe 19 installed on both sides of the test equipment body 1, when the power is turned on, the heating pipe 19 starts to heat, so that the compressor shell 14 on both sides of the test equipment body 1 is heated, and the shell is heated uniformly through the synchronous heating of both sides. In the heating process, the residual heat will accumulate below. At this time, the air blower 15 installed in the shell one 2 is opened, the air inlet pipe 16 connected with the test equipment body 1 is connected through the air inlet pipe 16 installed at the input end of the air blower 15, and the residual heat generated by the equipment operation will accumulate below the equipment. When the air blower 15 starts, the residual heat can be sucked in, and then the residual heat is transmitted to the shell two 3 through the conveying pipe 6 installed at the output end of the air blower 15. In the conveying process, the baffle 21 is installed on the outer wall of the conveying pipe 6, the filler 20 is fixedly connected on the baffle 21, the filler 20 is arranged on the outer wall of the conveying pipe 6, which can reduce the contact between the conveying pipe 6 and the outside, prevent the residual heat from reducing the temperature, so as to achieve the effect of residual heat recovery. The electric fan 17 in the groove below the shell two 3 blows the residual heat in the shell two 3 from the top to the compressor shell 14, forms the hot air circulation from top to bottom, accelerates the shell temperature rising rate, and the blowing of the electric fan 17 can make the heat more evenly distributed in the equipment. When the compressor shell 14 needs to be cooled, the protective door one 4 on the upper surface of the shell two 3 is opened, and the natural wind outside the equipment is blown into the equipment through the electric fan 17, so as to realize the cooling operation of the shell. The protective door one 4 is connected with the shell two 3 through the connecting rod one 5, the magnet 18 in the protective door one 4 is adsorbed with the magnet 18 in the shell two 3, so as to ensure the sealing performance of the protective door one 4 when it is closed, prevent the residual heat from flowing out, and facilitate the cooling operation when it is opened.

[0027] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. Within the spirit and principle of the present application, it shall be included in the protection scope of the present application.

Claims

1. A test device for the research and development of a high-temperature resistant shell for a centrifugal compressor, comprising a main body of the test device (1), characterized in that: The main body (1) of the test equipment is provided with a compressor housing (14) inside. The main body (1) of the test equipment is provided with a heating component inside. The outer wall of the main body (1) of the test equipment is provided with a second protective door (24). The outer wall of the second protective door (24) is fixedly connected with a second fixing block (9). The second fixing block (9) is rotatably connected with a second connecting rod (7) inside. The outer wall of the second connecting rod (7) is fixedly connected with a first fixing block (8). The outer wall of the first fixing block (8) is fixedly connected to the outer wall of the main body (1) of the test equipment. The heating assembly includes a connecting plate (12), the outer wall of which is fixedly connected to the inside of the main body (1) of the test equipment. A heating tube (19) is fixedly connected inside the connecting plate (12). A reinforcing assembly is provided on the outer wall of the heating tube (19) to strengthen the fixation of the heating tube (19). The side of the heating tube (19) away from the inner wall of the main body (1) of the test equipment is provided on both sides of the outer wall of the compressor housing (14).

2. The experimental equipment for developing a high-temperature resistant shell for a centrifugal compressor according to claim 1, characterized in that: The reinforcement component includes a fixing plate (22), on which a heating tube (19) is fixedly connected on the side of the fixing plate (22) near the inner wall of the test equipment body (1). A screw (23) is threaded inside the fixing plate (22), and the outer wall of the screw (23) is threaded inside the connecting plate (12). The outer wall of the screw (23) is threaded inside the test equipment body (1).

3. The experimental equipment for developing a high-temperature resistant shell for a centrifugal compressor according to claim 1, characterized in that: The outer wall of the main body (1) of the test equipment is fixedly connected to a first outer shell (2). A blower (15) is fixedly connected inside the first outer shell (2). An air inlet pipe (16) is fixedly connected to the input end of the blower (15). The outer wall of the air inlet pipe (16) is fixedly connected inside the main body (1) of the test equipment. A conveying pipe (6) is fixedly connected to the output end of the blower (15). A second outer shell (3) is fixedly connected to the end of the conveying pipe (6) away from the blower (15). A protective door (4) is provided on the upper surface of the second outer shell (3).

4. The experimental equipment for developing a high-temperature resistant shell for a centrifugal compressor according to claim 3, characterized in that: A partition (21) is fixedly connected to the outer wall of the conveying pipe (6), and a packing (20) is fixedly connected to the upper surface of the partition (21). The outer wall of the conveying pipe (6) is located inside the packing (20).

5. The experimental equipment for developing a high-temperature resistant shell for a centrifugal compressor according to claim 3, characterized in that: The outer shell 2 (3) is fixedly connected to the inner protrusion of the connecting rod 1 (5). The outer walls of both ends of the connecting rod 1 (5) are rotatably connected to the inner of the protective door 1 (4). The inner of the protective door 1 (4) is fixedly connected to the magnet (18). The outer wall of the magnet (18) is fixedly connected to the inner of the outer shell 2 (3).

6. The experimental equipment for developing a high-temperature resistant shell for a centrifugal compressor according to claim 5, characterized in that: An electric fan (17) is installed in a groove located below the outer shell (3) inside the main body (1) of the test equipment. The output end of the electric fan (17) is located above the compressor housing (14).

7. The experimental equipment for developing a high-temperature resistant shell for a centrifugal compressor according to claim 1, characterized in that: A handle (10) is fixedly connected to the outer wall of the second protective door (24), and a soft pad (11) is fixedly connected to the outer wall of the handle (10).

8. The experimental equipment for developing a high-temperature resistant shell for a centrifugal compressor according to claim 1, characterized in that: The second protective door (24) has an observation window (13) fixedly connected inside.

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