Cleaning assembly for heat exchanger

Abstract

The utility model discloses a cleaning assembly for a heat exchanger. The cleaning assembly comprises a heat exchanger body, a connector and a base. By arranging the water pump, the water inlet pipe, the water outlet pipe, the circulating box, the filtering assembly, the circulating pipe and the sewage discharging assembly, the water pump passes through the water inlet pipe, the water outlet pipe, the circulating box and the circulating pipe to circulate a water path, and when the interior of the heat exchanger body needs to be cleaned, an operator injects oxalic acid, trisodium phosphate and other chemical cleaning agents into the circulating box; and when the cleaning agent drives dirt to pass through the interior of the circulating box through the circulating water path, the dirt is filtered through the filtering assembly, and the problem that as time goes on, dirt such as incrustation, rust or biological slime can be accumulated in the heat exchanger is solved. And the dirt can reduce the heat exchange efficiency, so that the dirt needs to be cleaned, and the dirt needs to be detached in a common cleaning mode, so that the dirt is too troublesome.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a cleaning component for a heat exchanger. Background Art

[0002] A heat exchanger is an energy-saving device that transfers heat between two or more fluids at different temperatures. It transfers heat from a fluid with a higher temperature to a fluid with a lower temperature, so that the fluid temperature reaches the specified index of the process to meet the needs of process conditions. It is also one of the main equipment for improving energy utilization.

[0003] According to the announcement number: CN213778705U, a heat exchanger is disclosed, including an outer heat exchange tube and an inner heat exchange tube, the inner heat exchange tube is arranged in the outer heat exchange tube, a heat exchange cavity is formed between the outer heat exchange tube and the inner heat exchange tube, a fluid inlet pipe is arranged at one end of the outer heat exchange tube, a fluid outlet pipe is arranged at the other end of the outer heat exchange tube, a second fluid inlet is arranged at the end of the inner heat exchange tube corresponding to the first fluid outlet, a second fluid outlet is arranged at the end of the inner heat exchange tube corresponding to the first fluid inlet, and sealing end covers are respectively arranged at both ends of the outer heat exchange tube, both ends of the inner heat exchange tube are fixedly connected to the sealing end covers, and the second fluid inlet and the second fluid outlet are both located on the outside of the corresponding sealing end covers; the sealing end covers prevent the fluid in the heat exchange cavity from leaking, and the second fluid inlet and the second fluid outlet are arranged on the outside of the sealing end covers to facilitate installation and connection by users.

[0004] Based on the search of the above patents and in combination with the equipment in the prior art, it is found that when the above equipment is used, although it can solve the problem that most of the heat exchange tubes used in the existing heat exchangers are smooth tubes, the heat transfer coefficient of the smooth tubes is small during convective heat transfer, and the heat transfer effect is not good, which leads to the overall convective heat transfer coefficient of the heat exchanger becoming smaller and the heat transfer effect is not good. Some heat exchangers perform convective heat exchange through inner and outer tubes, but the structure is relatively complicated, which is not convenient for the staff to add fluid.

[0005] However, in actual use, as time goes by, scale, rust or biological slime and other dirt may accumulate inside the heat exchanger. The presence of these dirt will reduce the heat exchange efficiency, leading to energy waste and increased production costs, and then it needs to be cleaned. The commonly used cleaning method requires disassembly, which is too troublesome and reduces the cleaning efficiency. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a cleaning component for a heat exchanger, which has the advantage of no need for disassembly for cleaning, and solves the problem that over time, scale, rust or biological slime and other dirt may accumulate inside the heat exchanger. The presence of these dirt will reduce the heat exchange efficiency, resulting in energy waste and increased production costs, and thus it is necessary to clean it. The commonly used cleaning method requires disassembly, which is too troublesome and reduces the cleaning efficiency.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cleaning assembly for a heat exchanger, comprising a heat exchanger body, a connecting head and a base, the connecting head being connected to the top and bottom of the surface of the heat exchanger body, the heat exchanger body being fixedly connected to the top of the base, the left side of the heat exchanger body being connected to a water inlet pipe, the other end of the water inlet pipe being connected to a water pump, the right side of the heat exchanger body being connected to a water outlet pipe, the other end of the water outlet pipe being connected to a circulation box, the front of the circulation box being connected to a circulation pipe, the other end of the circulation pipe being connected to the input end of the water pump, a filter assembly being placed inside the circulation box, and a sewage discharge assembly being connected to the bottom of the circulation box.

[0008] As a preferred embodiment of the present invention, the filter assembly includes a basket and a filter plate, the basket is placed inside the circulation box, and the filter plate is fixedly mounted on the front side of the basket through a through groove.

[0009] As a preferred embodiment of the present invention, the sewage discharge assembly includes a sewage discharge pipe, the sewage discharge pipe is connected to the bottom of the circulation box, and the other end of the sewage discharge pipe is connected to a valve.

[0010] As a preferred embodiment of the present invention, a support plate is fixedly connected to the top of the front side of the base, and the water pump and the circulation box are located on the top of the support plate.

[0011] As a preferred embodiment of the present invention, a handle is fixedly connected to the top of the inner wall of the basket, and the handle is used for using the basket.

[0012] As a preferred embodiment of the present invention, the top of the circulation box is movably connected to a sealing door via a hinge, and a handle is fixedly connected to the right side of the top of the sealing door.

[0013] As a preferred embodiment of the present invention, a sealing gasket is pasted on the bottom of the sealing door, and the material of the sealing gasket is natural rubber.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model provides a water pump, a water inlet pipe, a water outlet pipe, a circulation box, a filter component, a circulation pipe and a sewage discharge component, so that the water pump circulates the water circuit through the water inlet pipe, the water outlet pipe, the circulation box and the circulation pipe. When it is necessary to clean the inside of the heat exchanger body, the operator can add chemical cleaning agents such as oxalic acid and trisodium phosphate into the circulation box, and then the cleaning agent can clean the inside of the heat exchanger body through the circulation water circuit. When the cleaning agent drives the dirt through the inside of the circulation box through the circulation water circuit, the filter component can filter the dirt, thereby ensuring the stability of cleaning. When the inside of the heat exchanger body is cleaned, the operator can open the sewage discharge component to discharge the sewage, thereby improving the convenience of cleaning for the operator, and solving the problem that scale, rust or biological slime and other dirt may accumulate inside the heat exchanger over time. The presence of these dirts will reduce the heat exchange efficiency, lead to energy waste and increase production costs, and then need to be cleaned. The commonly used cleaning method requires disassembly, which is too troublesome and reduces the cleaning efficiency. The effect of cleaning without disassembly is achieved.

[0016] 2. The utility model sets a filtering component. When sewage is discharged into the circulation box through the outlet pipe, the basket blocks and filters the impurities in the sewage through the filter plate, so that the impurities fall into the basket, so that the operator can easily block the impurities. At the same time, after the impurities are filtered, the impurities will not enter the water pump, avoiding the blockage of the water pump.

[0017] 3. The utility model sets a sewage pipe. After the circulation cleaning is completed, the operator opens the valve, so that the valve no longer blocks the sewage pipe, so that the sewage pipe can discharge sewage, thereby improving the convenience of sewage discharge for the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model from another viewing angle.

[0021] In the figure: 1. heat exchanger body; 2. connector; 3. base; 4. water inlet pipe; 5. water pump; 6. water outlet pipe; 7. circulation box; 8. circulation pipe; 9. filter assembly; 91. basket; 92. filter plate; 10. sewage assembly; 101. sewage pipe; 102. valve; 11. support plate; 12. handle; 13. sealing door; 14. grip; 15. sealing gasket. DETAILED DESCRIPTION

[0022] 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.

[0023] like Figures 1 to 3 As shown, the utility model provides a cleaning component for a heat exchanger, comprising a heat exchanger body 1, a connecting head 2 and a base 3, the connecting head 2 is connected to the top and bottom of the surface of the heat exchanger body 1, the heat exchanger body 1 is fixedly connected to the top of the base 3, the left side of the heat exchanger body 1 is connected to a water inlet pipe 4, the other end of the water inlet pipe 4 is connected to a water pump 5, the right side of the heat exchanger body 1 is connected to a water outlet pipe 6, the other end of the water outlet pipe 6 is connected to a circulation box 7, the front of the circulation box 7 is connected to a circulation pipe 8, the other end of the circulation pipe 8 is connected to the input end of the water pump 5, a filter component 9 is placed inside the circulation box 7, and the bottom of the circulation box 7 is connected to a sewage discharge component 10.

[0024] refer to Figure 3 The filter assembly 9 includes a basket 91 and a filter plate 92. The basket 91 is placed inside the circulation box 7, and the filter plate 92 is fixedly installed on the front side of the basket 91 through a through groove.

[0025] As a technical optimization scheme of the utility model, by setting a filter component 9, when sewage is discharged into the circulation box 7 through the outlet pipe 6, the basket 91 blocks and filters the impurities in the sewage through the filter plate 92, and then the impurities fall into the basket 91, so that the operator can easily block the impurities. At the same time, after the impurities are filtered, the impurities will not enter the water pump 5, avoiding the blockage of the water pump 5.

[0026] refer to Figure 3 The sewage discharge assembly 10 includes a sewage discharge pipe 101 , which is connected to the bottom of the circulation box 7 , and the other end of the sewage discharge pipe 101 is connected to a valve 102 .

[0027] As a technical optimization scheme of the utility model, by setting up a sewage pipe 101, when the circulation cleaning is completed, the operator opens the valve 102, so that the valve 102 no longer blocks the sewage pipe 101, so that the sewage pipe 101 can discharge the sewage, thereby improving the convenience of sewage discharge for the operator.

[0028] refer to Figure 1 A support plate 11 is fixedly connected to the top of the front side of the base 3 , and the water pump 5 and the circulation box 7 are located on the top of the support plate 11 .

[0029] As a technical optimization solution of the utility model, by setting a support plate 11, the support plate 11 is fixedly installed with the base 3, so that the water pump 5 and the circulation box 7 can be placed on the top of the support plate 11, and then the support plate 11 can support the water pump 5 and the circulation box 7, thereby ensuring the necessary conditions for the use of the water pump 5 and the circulation box 7.

[0030] refer to Figure 2 A handle 12 is fixedly connected to the top of the inner wall of the basket 91 , and the handle 12 is used for using the basket 91 .

[0031] As a technical optimization solution of the utility model, by providing a handle 12, when the operator needs to deal with impurities inside the basket 91, the operator can pull the handle 12 to drive the basket 91 out of the circulation box 7, so that the operator can deal with the impurities, thereby improving the convenience of the operator in handling impurities.

[0032] refer to Figure 1 The top of the circulation box 7 is movably connected to a sealing door 13 through a hinge, and a handle 14 is fixedly connected to the right side of the top of the sealing door 13.

[0033] As a technical optimization solution of the utility model, by providing a sealing door 13 and a handle 14, when the operator needs to add oxalic acid, trisodium phosphate or other chemical cleaning agents or clean water to the inside of the circulation box 7, the operator pulls the handle 14 to drive the sealing door 13 to flip open through the hinge, thereby ensuring the convenience of the operator to add oxalic acid, trisodium phosphate or other chemical cleaning agents or clean water.

[0034] refer to Figure 2 A sealing gasket 15 is pasted on the bottom of the sealing door 13, and the material of the sealing gasket 15 is natural rubber.

[0035] As a technical optimization solution of the utility model, a sealing gasket 15 is provided and adhered to the bottom of the sealing door 13. When the operator closes the sealing door 13, the sealing gasket 15 can ensure the sealing of the sealing door 13, thereby avoiding liquid leakage in the circulation box 7 when in use.

[0036] The working principle and use process of the utility model are as follows: during use, when the operator needs to clean the inside of the heat exchanger body 1, the operator opens the circulation box 7, and then the operator adds chemical cleaning agents such as oxalic acid and trisodium phosphate into the circulation box 7, and then the operator starts the water pump 5, and then the input end of the water pump 5 extracts the chemical cleaning agent inside the circulation box 7 through the circulation pipe 8, and then the output end of the water pump 5 transports the cleaning agent to the inside of the heat exchanger body 1 through the water inlet pipe 4, so that the cleaning agent flows and cleans inside the heat exchanger body 1, and at the same time, the suction force generated by the input end of the water pump 5 will suck the cleaning agent and dirt inside the heat exchanger body 1 into the circulation box 7 through the water outlet pipe 6, thereby realizing circulation cleaning, and when the dirt enters the circulation box 7, the cleaning agent will be sucked into the circulation box 7. When the dirt inside the heat exchanger body 1 is cleaned by the cleaning agent, the operator adds clean water to the circulation box 7, and the clean water is used to flush the cleaning agent inside the heat exchanger body 1 through the water pump 5 to avoid residual cleaning agent.

[0037] In summary, the cleaning assembly for the heat exchanger is provided with a water pump 5, a water inlet pipe 4, a water outlet pipe 6, a circulation box 7, a filter assembly 9, a circulation pipe 8 and a sewage discharge assembly 10, so that the water pump 5 travels through the water inlet pipe 4, the water outlet pipe 6, the circulation box 7 and the circulation pipe 8 to circulate the water circuit. When it is necessary to clean the inside of the heat exchanger body 1, the operator fills the circulation box 7 with chemical cleaning agents such as oxalic acid and trisodium phosphate, and then the cleaning agent is used to clean the inside of the heat exchanger body 1 through the circulation water circuit. When the cleaning agent drives the dirt through the circulation box 7 through the circulation water circuit, , so that the filter component 9 filters the dirt, thereby ensuring the stability of cleaning. When the inside of the heat exchanger body 1 is cleaned, the operator opens the sewage discharge component 10 to discharge the sewage, thereby improving the convenience of the operator's cleaning and solving the problem that scale, rust or biological slime and other dirt may accumulate inside the heat exchanger over time. The presence of these dirt will reduce the heat exchange efficiency, lead to energy waste and increased production costs, and then need to be cleaned. The commonly used cleaning method requires disassembly, which is too troublesome and reduces the cleaning efficiency.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] 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 cleaning assembly for a heat exchanger, comprising a heat exchanger body (1), a connector (2) and a base (3), characterized in that: The connector (2) is connected to the top and bottom of the surface of the heat exchanger body (1); the heat exchanger body (1) is fixedly connected to the top of the base (3); the left side of the heat exchanger body (1) is connected to a water inlet pipe (4); the other end of the water inlet pipe (4) is connected to a water pump (5); the right side of the heat exchanger body (1) is connected to a water outlet pipe (6); the other end of the water outlet pipe (6) is connected to a circulation box (7); the front of the circulation box (7) is connected to a circulation pipe (8); the other end of the circulation pipe (8) is connected to an input end of the water pump (5); a filter assembly (9) is placed inside the circulation box (7); and the bottom of the circulation box (7) is connected to a sewage discharge assembly (10).

2. A cleaning assembly for a heat exchanger according to claim 1, characterized in that: The filter assembly (9) comprises a basket (91) and a filter plate (92); the basket (91) is placed inside the circulation box (7); and the filter plate (92) is fixedly mounted on the front side of the basket (91) via a through slot.

3. A cleaning assembly for a heat exchanger according to claim 1, characterized in that: The sewage discharge assembly (10) comprises a sewage discharge pipe (101), wherein the sewage discharge pipe (101) is connected to the bottom of the circulation box (7), and the other end of the sewage discharge pipe (101) is connected to a valve (102).

4. A cleaning assembly for a heat exchanger according to claim 1, characterized in that: A support plate (11) is fixedly connected to the top of the front side of the base (3), and the water pump (5) and the circulation box (7) are located on the top of the support plate (11).

5. A cleaning assembly for a heat exchanger according to claim 2, characterized in that: A handle (12) is fixedly connected to the top of the inner wall of the basket (91), and the handle (12) is used for using the basket (91).

6. A cleaning assembly for a heat exchanger according to claim 1, characterized in that: The top of the circulation box (7) is movably connected to a sealing door (13) via a hinge, and the right side of the top of the sealing door (13) is fixedly connected to a handle (14).

7. A cleaning assembly for a heat exchanger according to claim 6, characterized in that: A sealing pad (15) is adhered to the bottom of the sealing door (13), and the sealing pad (15) is made of natural rubber.

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