Improved device for heat exchanger of large air separation plant

Abstract

The utility model discloses an improved device for a heat exchanger of a large air separation plant, which belongs to the technical field of heat exchangers and comprises a heat exchanger main body, an air storage tank is arranged at one end of the heat exchanger main body, an air blower is arranged at one end of the air storage tank, a filter component is arranged at an air inlet hole of the air blower, and a storage cavity is arranged above the heat exchanger main body. A storage cavity is formed in the heat exchanger main body, a convenient disassembly and assembly assembly is arranged above the storage cavity, a filter pipe is arranged above the convenient disassembly and assembly assembly, a switch valve is arranged below the heat exchanger main body, and a pressure gauge is arranged on one side of the switch valve.According to the heat exchanger, a filter seat, a filter screen, a cleaning motor, a connecting rod and a cleaning brush plate are arranged, air sucked by an air blower is conveniently filtered, and dust is prevented from entering; according to the device, the clamping seat, the clamping block, the clamping rod, the clamping sliding block, the clamping spring and the sealing gasket are arranged, so that the filter pipe can be quickly disassembled and assembled, and the use convenience is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat exchangers, and in particular relates to an improved device for a heat exchanger of a large air separation device. Background Art

[0002] Air separation equipment is a device that uses air as raw material, converts air into liquid through compression cycle deep freezing, and then gradually separates and produces inert gases such as oxygen, nitrogen and argon from liquid air through distillation. Heat exchangers (also called heat exchangers or heat exchange equipment) are devices used to transfer heat from hot fluids to cold fluids to meet specified process requirements. They are an industrial application of convective heat transfer and heat conduction.

[0003] Chinese patent application No. 202021967701.X discloses a heat exchanger for air separation equipment, including a heat exchanger body, a gas storage tank, and a blower. A heat exchange tube is arranged inside the heat exchanger body, and a plurality of heat conducting plates are evenly arranged inside the heat exchanger body, and the heat exchange tube runs through the heat conducting plates. A storage chamber is fixedly installed on the upper outer side of the heat exchanger body. The utility model uses a blower to suck air into the gas storage tank, during which the air enters the heat exchanger body through the heat exchange tube. The gas introduced into the heat exchanger body through the pipe inlet performs heat exchange on the air separation gas. The heat exchange of the air separation gas can be effectively accelerated by the plurality of heat conducting plates arranged inside the heat exchanger body and located on the periphery of the heat exchange tube. The inner filter cartridge in the filter tube filters the air introduced into the heat exchange body. The filtered air can reduce the number of impurities retained inside the heat exchanger body to protect the heat exchanger body from damage, thereby extending its service life.

[0004] In the above-mentioned patent, when in use, the gas is sucked into the gas storage tank by a blower, but it is inconvenient to filter the air sucked by the blower, and dust will enter the interior. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a large-scale air separation equipment heat exchanger improvement device, which has the characteristics of facilitating the filtering of the air sucked by the blower and preventing dust from entering.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a large-scale air separation equipment heat exchanger improvement device, comprising a heat exchanger main body, an air storage tank is arranged at one end of the heat exchanger main body, a blower is arranged at one end of the air storage tank, a filter assembly is arranged at the air inlet of the blower, a storage chamber is arranged above the heat exchanger main body, a convenient disassembly and assembly assembly is arranged above the storage chamber, a filter tube is arranged above the convenient disassembly and assembly assembly, a switch valve is arranged below the heat exchanger main body, and a pressure gauge is arranged on one side of the switch valve.

[0007] Preferably, the filter assembly includes a filter seat, a filter screen, a cleaning motor, a connecting rod and a cleaning brush plate, wherein a filter seat is provided at the air inlet end of the blower, a filter screen is provided on one side of the filter seat, a cleaning motor is provided inside the filter seat, connecting rods are provided on both sides of the cleaning motor, and a cleaning brush plate is provided at the output end of the cleaning motor.

[0008] Preferably, a fixing seat is provided at the connection between the cleaning motor and the cleaning brush plate, and a fixing bolt is provided at one end of the fixing seat.

[0009] Preferably, the convenient disassembly and assembly component includes a clamping seat, a clamping block, a clamping rod, a clamping slide, a clamping spring and a sealing gasket, wherein a clamping seat is arranged above the filter assembly, a sealing gasket is arranged below one end of the filter tube located inside the clamping seat, a clamping block is arranged on one side of one end of the filter tube located inside the clamping seat, a clamping rod is arranged at one end of the clamping block, a clamping slide is arranged below the clamping rod, and a clamping spring is arranged on one side of the clamping slide.

[0010] Preferably, a positioning block is provided on one side of the filter tube away from the clamping block, and a positioning groove cooperating with the positioning block is provided above the clamping seat.

[0011] Preferably, a guide sliding opening is provided on one side of the clamping block, and a clamping hole matching the clamping block is provided on one side of the filter tube.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model realizes the effect of filtering the air sucked in by the blower and preventing dust from entering by setting a filter component. A filter seat, a filter screen, a cleaning motor, a connecting rod and a cleaning brush plate are set to filter the air sucked in by the blower, prevent dust from entering, and facilitate cleaning of the filter screen.

[0014] 2. The utility model realizes the effect of quickly disassembling and assembling the filter tube and replacing the inner filter cartridge by providing a convenient disassembly and assembly component. A clamping seat, a clamping block, a clamping rod, a clamping slide, a clamping spring and a sealing gasket are provided, so that the filter tube can be quickly disassembled and the filter cartridge inside it can be replaced, thereby improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model cut from the front view;

[0017] Figure 3 This is a schematic diagram of the structure of the filter assembly of the utility model;

[0018] Figure 4It is a structural schematic diagram of the convenient disassembly and assembly components of the utility model.

[0019] In the figure: 1. Heat exchanger body; 2. Gas storage tank; 3. Blower; 4. Filter assembly; 41. Filter seat; 42. Filter screen; 43. Cleaning motor; 44. Connecting rod; 45. Cleaning brush plate; 46. Fixed seat; 5. Reserve chamber; 6. Convenient disassembly and assembly assembly; 61. Clamping seat; 62. Clamping block; 63. Clamping rod; 64. Clamping slide; 65. Clamping spring; 66. Sealing gasket; 7. Filter tube; 8. Switch valve; 9. Pressure gauge. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a large-scale air separation equipment heat exchanger improvement device, comprising a heat exchanger body 1, a gas storage tank 2 is arranged at one end of the heat exchanger body 1, a blower 3 is arranged at one end of the gas storage tank 2, a filter assembly 4 is arranged at the air inlet of the blower 3, a reserve chamber 5 is arranged above the heat exchanger body 1, a convenient disassembly assembly 6 is arranged above the reserve chamber 5, a filter tube 7 is arranged above the convenient disassembly assembly 6, a switch valve 8 is arranged below the heat exchanger body 1, and a pressure gauge 9 is arranged on one side of the switch valve 8.

[0023] Specifically, the filter assembly 4 includes a filter seat 41, a filter screen 42, a cleaning motor 43, a connecting rod 44 and a cleaning brush plate 45, wherein the filter seat 41 is provided at the air inlet end of the blower 3, a filter screen 42 is provided on one side of the filter seat 41, a cleaning motor 43 is provided inside the filter seat 41, connecting rods 44 are provided on both sides of the cleaning motor 43, and a cleaning brush plate 45 is provided at the output end of the cleaning motor 43.

[0024] By adopting the above technical solution, when the blower 3 is working, the air sucked in is filtered through the filter 42 to prevent dust from entering. When the filter 42 needs to be cleaned, the cleaning motor 43 is started, and the cleaning motor 43 drives the cleaning brush plate 45 to rotate to clean the filter 42. When the device is in use, it is convenient to filter the air sucked in by the blower 3 to prevent dust from entering, and the component is convenient for cleaning the filter 42, thereby improving the practicality of use.

[0025] Specifically, a fixing seat 46 is provided at the connection between the cleaning motor 43 and the cleaning brush plate 45 , and a fixing bolt is provided at one end of the fixing seat 46 .

[0026] By adopting the above technical solution, the fixing seat 46 and the fixing bolt cooperate with each other, so that the cleaning brush plate 45 can be easily disassembled and assembled for cleaning or replacement.

[0027] When this embodiment is in use: when the blower 3 is working, the air sucked in by the filter 42 is filtered to prevent dust from entering. When the filter 42 needs to be cleaned, the cleaning motor 43 is started, and the cleaning motor 43 drives the cleaning brush plate 45 to rotate to clean the filter 42. The fixing seat 46 and the fixing bolt cooperate to facilitate the disassembly and assembly of the cleaning brush plate 45 for cleaning or replacement, so that the device can filter the air sucked in by the blower 3 to prevent dust from entering when in use, and the component facilitates the cleaning of the filter 42, thereby improving the practicality of use.

[0028] Example 2

[0029] The present embodiment is different from the embodiment 1 in that: specifically, the convenient disassembly and assembly component 6 includes a clamping seat 61, a clamping block 62, a clamping rod 63, a clamping slide 64, a clamping spring 65 and a sealing gasket 66, wherein a clamping seat 61 is arranged above the filter component 4, a sealing gasket 66 is arranged below one end of the filter tube 7 located inside the clamping seat 61, a clamping block 62 is arranged on one side of one end of the filter tube 7 located inside the clamping seat 61, a clamping rod 63 is arranged at one end of the clamping block 62, a clamping slide 64 is arranged below the clamping rod 63, and a clamping spring 65 is arranged on one side of the clamping slide 64.

[0030] By adopting the above technical solution, the clamping rod 63 is pulled, and the clamping rod 63 drives the clamping slider 64 to move and compress the clamping spring 65, so that the clamping block 62 is disengaged from the clamping hole. Then the filter tube 7 can be removed and the inner filter cartridge inside it can be replaced, so that the filter tube 7 can be quickly disassembled and assembled when the device is in use, thereby improving the convenience of use.

[0031] Specifically, a positioning block is provided on one side of the filter tube 7 away from the clamping block 62 , and a positioning groove cooperating with the positioning block is provided above the clamping seat 61 .

[0032] By adopting the above technical solution, the positioning block and the positioning groove cooperate with each other, so that the filter tube 7 can be positioned conveniently when the filter tube 7 is installed.

[0033] Specifically, a guide sliding opening is provided on one side of the clamping block 62 , and a clamping hole matching the clamping block 62 is provided on one side of the filter tube 7 .

[0034] By adopting the above technical solution, the guide slide is convenient for the filter tube 7 to abut against the clamping block 62 when it is installed, and can drive the clamping block 62 to move to one side. The clamping hole is convenient for the clamping block 62 to be inserted to fix the filter tube 7.

[0035] When this embodiment is in use: pull the clamping rod 63, the clamping rod 63 drives the clamping slider 64 to move and compress the clamping spring 65, so that the clamping block 62 is disengaged from the clamping hole, and then the filter tube 7 can be removed and the inner filter cartridge inside it can be replaced, so that when the device is in use, the filter tube 7 can be quickly disassembled and assembled, thereby improving the convenience of use.

[0036] The structure and use principle of the heat exchanger body 1, gas storage tank 2, blower 3, reserve chamber 5, filter tube 7, switch valve 8 and pressure gauge 9 in the utility model have been disclosed in a heat exchanger for air separation equipment disclosed in Chinese patent application No. 202021967701.X. Its working principle is that air is sucked into the gas storage tank 2 through the blower 3, and enters the interior of the heat exchanger body 1 through the heat exchange tube. The gas introduced into the heat exchanger body 1 through the pipe inlet performs heat exchange on the air separation gas. The multiple heat conducting plates located on the periphery of the heat exchange tube arranged inside the heat exchanger body 1 can effectively accelerate the heat exchange of the air separation gas. The inner filter cartridge in the filter tube 7 filters the air introduced into the heat exchanger body 1. The filtered air can reduce too many impurities in the heat exchanger body 1 to protect the heat exchanger body 1 from damage, thereby extending its service life. The reserve chamber 5 can effectively ensure that when air is introduced into the heat exchanger body 1, the unstable air volume caused by the influence of the inner filter cartridge is avoided.

[0037] The working principle and use process of the utility model: the utility model is used for large-scale air separation equipment. When in use, the air is sucked into the air storage tank 2 through the blower 3, and during the process, the air enters the heat exchanger body 1 through the heat exchange pipe. When the blower 3 is working, the sucked air is filtered through the filter component 4 to prevent dust from entering. The gas introduced into the heat exchanger body 1 through the inlet pipe exchanges heat with the air-separated gas. The heat exchange of the air-separated gas can be effectively accelerated by the multiple heat conducting plates arranged inside the heat exchanger body 1 and located on the sides of the heat exchange pipe. The inner filter cartridge in the filter tube 7 filters the air introduced into the heat exchanger body 1. The filtered air can reduce the amount of impurities retained in the heat exchanger body 1, so as to protect the heat exchanger body 1 from damage, thereby extending its service life. The reserve chamber 5 can effectively ensure that when the air is introduced into the heat exchanger body 1, the unstable air volume caused by the influence of the inner filter cartridge is avoided, and the filter tube 7 needs to be disassembled and assembled When the filter assembly 4 is in use, the air sucked in by the blower 3 is filtered through the filter screen 42 to prevent dust from entering. When the filter screen 42 needs to be cleaned, the cleaning motor 43 is started, and the cleaning motor 43 drives the cleaning brush plate 45 to rotate to clean the filter screen 42. The fixing seat 46 and the fixing bolt cooperate to facilitate the disassembly and assembly of the cleaning brush plate 45 for cleaning or replacement, so that the device is convenient for filtering the air sucked in by the blower 3 to prevent dust from entering when in use, and the component is convenient for cleaning the filter screen 42, thereby improving the practicality of use. When the convenient disassembly and assembly component 6 is in use, the clamping rod 63 is pulled, and the clamping rod 63 drives the clamping slider 64 to move and compress the clamping spring 65, so that the clamping block 62 is disengaged from the clamping hole, and then the filter tube 7 can be removed and the inner filter cartridge inside it can be replaced, so that the device can quickly disassemble and assemble the filter tube 7 when in use, thereby improving the convenience of use.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A large-scale air separation equipment heat exchanger improvement device, comprising a heat exchanger body, characterized in that: An air storage tank is provided at one end of the heat exchanger body, a blower is provided at one end of the air storage tank, a filter assembly is provided at the air inlet of the blower, a storage chamber is provided above the heat exchanger body, a convenient disassembly and assembly assembly is provided above the storage chamber, a filter tube is provided above the convenient disassembly and assembly assembly, a switch valve is provided below the heat exchanger body, and a pressure gauge is provided on one side of the switch valve.

2. A large-scale air separation equipment heat exchanger improvement device according to claim 1, characterized in that: The filter assembly includes a filter seat, a filter screen, a cleaning motor, a connecting rod and a cleaning brush plate, wherein a filter seat is provided at the air inlet end of the blower, a filter screen is provided on one side of the filter seat, a cleaning motor is provided inside the filter seat, connecting rods are provided on both sides of the cleaning motor, and a cleaning brush plate is provided at the output end of the cleaning motor.

3. A large-scale air separation equipment heat exchanger improvement device according to claim 2, characterized in that: A fixing seat is arranged at the connection between the cleaning motor and the cleaning brush plate, and a fixing bolt is arranged at one end of the fixing seat.

4. A large-scale air separation equipment heat exchanger improvement device according to claim 1, characterized in that: The convenient disassembly and assembly component includes a clamping seat, a clamping block, a clamping rod, a clamping slide, a clamping spring and a sealing gasket, wherein a clamping seat is arranged above the filter assembly, a sealing gasket is arranged below one end of the filter tube located inside the clamping seat, a clamping block is arranged on one side of one end of the filter tube located inside the clamping seat, a clamping rod is arranged at one end of the clamping block, a clamping slide is arranged below the clamping rod, and a clamping spring is arranged on one side of the clamping slide.

5. A large-scale air separation equipment heat exchanger improvement device according to claim 4, characterized in that: A positioning block is arranged on one side of the filter tube away from the clamping block, and a positioning groove cooperating with the positioning block is arranged above the clamping seat.

6. A large-scale air separation equipment heat exchanger improvement device according to claim 4, characterized in that: A guide sliding opening is provided on one side of the clamping block, and a clamping hole matching the clamping block is provided on one side of the filter tube.

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