Automatic cleaning equipment for heat exchanger of power plant

Abstract

The utility model relates to the technical field of heat exchanger cleaning equipment, in particular to power plant heat exchanger automatic cleaning equipment which comprises a water tank, a supporting assembly is fixedly installed at the top of the water tank, a heat exchanger body is supported at the top of the supporting assembly, and a cleaning assembly is fixedly installed at the front end of the water tank. A drying assembly is fixedly mounted at the front end of the water tank; the cleaning assembly comprises a first mounting shell, first paddles, a water inlet pipe, a water drainage pipe and a water spraying head, the first mounting shell is fixedly mounted at the front end of the outer wall of the water tank, the first paddles are movably mounted in the first mounting shell, and the water inlet pipe is fixedly connected to the bottom of the first mounting shell; the bottom of the water inlet pipe is fixedly connected into the water tank. Dirt is effectively removed through the cleaning assembly, heat transfer efficiency is recovered, meanwhile, moisture is eliminated through the drying assembly, corrosion is prevented, and efficient operation and long service life of the heat exchanger are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger cleaning equipment field especially relates to a power plant heat exchanger automatic cleaning equipment. BACKGROUND

[0002] With the continuous development of society, as the indispensable energy of modern society, the heat exchanger plays a key role in the power production process of power plant, it can realize the heat transfer, the heat of high temperature medium is transmitted to low temperature medium, guarantees the efficient operation of power generation equipment, however, in the long-term use process, the heat exchanger's heat exchange pipe surface will gradually accumulate dirt, impurities and deposits, these substances can form a thermal insulation layer, reduce the heat transfer efficiency of heat exchanger, increase energy consumption, therefore, regularly cleaning the heat exchanger of power plant is the necessary measure to ensure its efficient and stable operation.

[0003] Chinese utility model patent CN221037064U discloses a kind of power plant heat exchanger automatic cleaning equipment, and it is related to heat exchanger cleaning equipment technical field.The power plant heat exchanger automatic cleaning equipment, including heat exchanger body, underframe, control device, rotary drive device, the application is provided with rotary drive device, lifting drive device, horizontal drive device, scanning imaging device etc., so as to reach the heat exchanger body can be rotated by the driving roller and driven roller in rotary drive device, scanning imaging device scans the core of the heat exchanger body to be cleaned to obtain the three-dimensional image of the core of the heat exchanger body to be cleaned, the position of spray head is adjusted up and down, left and right, front and back by control device control lifting drive device, horizontal drive device, axial drive device, realizes the fast, accurate, efficient cleaning of heat exchange tube, reduces the requirement to the operation level of staff, improves safety and cleaning efficiency.

[0004] But, the above-mentioned patent cannot dry heat exchanger after cleaning, residual moisture on the surface of heat exchanger can cause metal parts to rust, corrosion, shorten the service life of heat exchanger;At the same time, the existence of moisture can also affect the heat transfer performance of heat exchanger, reduce its working efficiency, increase subsequent operation cost and maintenance difficulty. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a kind of power plant heat exchanger automatic cleaning equipment, and the main technical problem to be solved is: solve the problem that existing power plant heat exchanger automatic cleaning equipment cannot be dried after cleaning, cause heat exchanger to rust, corrosion, affect heat transfer performance.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a power plant heat exchanger automatic cleaning equipment, including the water tank, the top fixed mounting of water tank has the support subassembly, the top support of support subassembly has the heat exchanger body, the front fixed mounting of water tank has the cleaning subassembly, the front fixed mounting of water tank has the drying subassembly,

[0007] The cleaning assembly comprises a first installation shell, a first paddle, a water inlet pipe, a drain pipe and a water jet head, the first installation shell is fixedly installed at the front end of the outer wall of the water tank, the first paddle is movably installed in the first installation shell, the water inlet pipe is fixedly connected to the bottom of the first installation shell, the bottom of the water inlet pipe is fixedly connected to the inside of the water tank, the drain pipe is fixedly connected to the top of the first installation shell, one end of the drain pipe away from the first installation shell is located at the rear end of the heat exchanger body, and a plurality of water jet heads are fixedly installed on the outer wall of the drain pipe, and the output ends of the plurality of water jet heads are directed to the rear end of the outer wall of the heat exchanger body.

[0008] The drying assembly comprises a second installation shell, a second paddle, an air inlet pipe, an air inlet cover, an air outlet pipe and an air jet head, the second installation shell is fixedly installed at the front end of the first installation shell, the second paddle is movably installed in the second installation shell, the air inlet pipe is fixedly connected to the bottom of the second installation shell, the air inlet cover is fixedly installed at the front end of the outer wall of the water tank, the bottom of the air inlet pipe is fixedly connected to the inside of the air inlet cover, the air outlet pipe is fixedly connected to the top of the first installation shell, one end of the air outlet pipe away from the second installation shell is located at the front end of the heat exchanger body, and a plurality of air jet heads are fixedly installed on the outer wall of the air outlet pipe, and the output ends of the plurality of air outlet pipes are directed to the front end of the outer wall of the heat exchanger body.

[0009] By adopting the above technical scheme, the rear end of the outer wall of the heat exchanger body is cleaned, dirt and impurities are removed, and the front end of the outer wall of the heat exchanger body is dried, and residual moisture is removed.

[0010] As a further description of the above technical scheme, the support assembly comprises a mounting frame, a support shaft and a first drive motor, the mounting frame is fixedly installed at the top of the water tank, the support shaft is movably installed between the two mounting frames, the heat exchanger body is located at the outer wall of the front mounting frame fixedly installed with the first drive motor, and one end of the support shaft is fixedly installed with the output end of the first drive motor.

[0011] By adopting the above technical scheme, the heat exchanger body is rotated, and the cleaning and drying assemblies can clean and dry the heat exchanger body in all directions.

[0012] As a further description of the above technical solution: the one end of the drain pipe away from the first mounting shell is fixedly installed on the top of the rear mounting frame, and the one end of the exhaust pipe away from the second mounting shell is fixedly installed on the top of the rear mounting frame.

[0013] By adopting the above technical solution, stable support is provided, and it is ensured that the cleaning liquid and the drying gas can be accurately delivered to the corresponding positions of the heat exchanger body, thereby guaranteeing the cleaning and drying effects.

[0014] As a further description of the above technical solution: the second driving motor is fixedly installed on the front end of the outer wall of the second mounting shell, the output end of the second driving motor is fixedly installed with a driving shaft, the driving shaft is movably penetrated through the first mounting shell and the second mounting shell, and the first paddle and the second paddle are fixedly connected to the outer wall of the driving shaft.

[0015] By adopting the above technical solution, unified driving of the cleaning and drying power is realized, the equipment structure is simplified, and the operation stability is improved.

[0016] As a further description of the above technical solution: the inside of the water tank is slidably installed with a storage box, the inside of the storage box is fixedly installed with a filter screen, the outer wall of the storage box is fixedly connected with a pull handle, and the water inlet pipe is located at the bottom of the storage box.

[0017] By adopting the above technical solution, the storage and treatment of sewage are facilitated, and impurities are prevented from entering the water tank to affect the cleaning effect.

[0018] As a further description of the above technical solution: the bottom of the water tank is fixedly connected with support feet, and the support feet are in a plurality of rectangular distributions.

[0019] By adopting the above technical solution, stable support is provided for the equipment, and the stability of the equipment during operation is ensured.

[0020] By adopting the above technical solution, the power plant heat exchanger automatic cleaning equipment has at least the following beneficial effects:

[0021] 1. Compared with the prior art, the power plant heat exchanger automatic cleaning equipment is provided with a drying assembly, in use, the second driving motor drives the driving shaft to rotate, the driving shaft drives the second paddle to rotate, external air is sucked into the second mounting shell, and is sprayed from the jet head through the exhaust pipe to dry the front end of the outer wall of the heat exchanger body. The water remaining after cleaning of the heat exchanger is effectively removed, rusting and corrosion of the metal parts of the heat exchanger are prevented, the service life of the heat exchanger is prolonged, the heat transfer performance of the heat exchanger is ensured, and the working efficiency thereof is improved.

[0022] 2、Compared with the prior art, the power plant heat exchanger automatic cleaning equipment, by setting the cleaning assembly, in use, the second drive motor drives the drive shaft to rotate, the drive shaft drives the first paddle to rotate, the cleaning liquid in the water tank is pumped into the first installation shell, and is sprayed from the water jet head through the drain pipe to clean the rear end of the outer wall of the heat exchanger body. Dirt and impurities on the surface of the heat exchanger can be quickly and effectively removed, the heat transfer efficiency of the heat exchanger is restored, energy consumption is reduced, and efficient operation of the power plant heat exchanger is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The overall structure schematic diagram of the power plant heat exchanger automatic cleaning equipment is provided for the utility model.

[0024] Figure 2 The front view structure schematic diagram of the power plant heat exchanger automatic cleaning equipment is provided for the utility model.

[0025] Figure 3 The enlarged structure schematic diagram of the support assembly in the power plant heat exchanger automatic cleaning equipment is provided for the utility model.

[0026] Figure 4 The explosion structure schematic diagram of the cleaning assembly in the power plant heat exchanger automatic cleaning equipment is provided for the utility model.

[0027] Figure 5 The Figure 3 The enlarged structure schematic diagram of the support assembly in the power plant heat exchanger automatic cleaning equipment is provided for the utility model.

[0028] Figure 6 The explosion structure schematic diagram of the drying assembly in the power plant heat exchanger automatic cleaning equipment is provided for the utility model.

[0029] Figure 7 The Figure 5 The enlarged structure schematic diagram of the support assembly in the power plant heat exchanger automatic cleaning equipment is provided for the utility model.

[0030] Figure 8 The enlarged structure schematic diagram of the part in the power plant heat exchanger automatic cleaning equipment is provided for the utility model.

[0031] LEGEND:

[0032] 1, water tank; 2, support assembly; 201, mounting frame; 202, support shaft; 203, first drive motor; 3, heat exchanger body; 4, cleaning assembly; 401, first mounting shell; 402, first paddle; 403, water inlet pipe; 404, drain pipe; 405, water spray head; 5, drying assembly; 501, second mounting shell; 502, second paddle; 503, air inlet pipe; 504, air inlet cover; 505, air outlet pipe; 506, air jet head; 6, second drive motor; 601, drive shaft; 7, storage box; 8, filter screen; 9, pull handle; 10, support leg. DETAILED DESCRIPTION

[0033] REFERENCE Figures 1-8The utility model provides a kind of power plant heat exchanger automatic cleaning equipment: including water tank 1, the top of water tank 1 is fixedly installed with support assembly 2, support assembly 2 is used to support heat exchanger body 3, so that it can be stably placed, and can be rotated in cleaning and drying process, the top of support assembly 2 supports heat exchanger body 3, the front end of water tank 1 is fixedly installed with cleaning assembly 4, cleaning assembly 4 is used to clean heat exchanger body 3, remove dirt and impurities on its surface, the front end of water tank 1 is fixedly installed with drying assembly 5, drying assembly 5 is used to dry heat exchanger body 3 after cleaning, remove residual moisture, prevent rust and corrosion;The cleaning assembly 4 comprises a first mounting shell 401, a first paddle 402, a water inlet pipe 403, a water outlet pipe 404 and a water jet head 405. The first mounting shell 401 is fixedly installed at the front end of the outer wall of the water tank 1. The first paddle 402 is movably installed in the first mounting shell 401. The first paddle 402 draws the cleaning liquid in the water tank 1 into the first mounting shell 401 through rotation, and is a power component for realizing the delivery of the cleaning liquid. The water inlet pipe 403 is fixedly connected to the bottom of the first mounting shell 401. The water inlet pipe 403 introduces the cleaning liquid in the water tank 1 into the first mounting shell 401. The bottom of the water inlet pipe 403 is fixedly connected to the inside of the water tank 1. The water outlet pipe 404 is fixedly connected to the top of the first mounting shell 401. The water outlet pipe 404 delivers the cleaning liquid in the first mounting shell 401 to the outer wall of the heat exchanger body 3. The end of the water outlet pipe 404 away from the first mounting shell 401 is located at the rear end of the heat exchanger body 3, so that the cleaning liquid can be accurately sprayed to the rear end of the heat exchanger body 3 for cleaning. The water jet head 405 is fixedly installed on the outer wall of the water outlet pipe 404. The output ends of the plurality of water jet heads 405 are directed to the rear end of the outer wall of the heat exchanger body 3, so that the cleaning liquid can be accurately applied to the cleaning position of the heat exchanger body 3. The drying assembly 5 comprises a second mounting shell 501, a second paddle 502, an air inlet pipe 503, an air inlet cover 504, an air outlet pipe 505 and an air jet head 506. The second mounting shell 501 is fixedly installed at the front end of the first mounting shell 401. The second paddle 502 is movably installed in the second mounting shell 501. The second paddle 502 draws the external air into the second mounting shell 501 through rotation, and is a power component for realizing the delivery of the air. The air inlet pipe 503 is fixedly connected to the bottom of the second mounting shell 501. The air inlet pipe 503 introduces the external air into the second mounting shell 501, and is an air delivery channel. The air inlet cover 504 is fixedly installed at the front end of the outer wall of the water tank 1. The air inlet cover 504 is used for collecting the external air. The bottom of the air inlet pipe 503 is fixedly connected to the inside of the air inlet cover 504. The air outlet pipe 505 is fixedly connected to the top of the first mounting shell 401. The air outlet pipe 505 delivers the air in the second mounting shell 501 to the heat exchanger body 3, so that the air reaches the outer wall of the heat exchanger body 3. The end of the air outlet pipe 505 away from the second mounting shell 501 is located at the front end of the heat exchanger body 3, so that the air can be accurately sprayed to the front end of the heat exchanger body 3 for drying. The air jet head 506 is fixedly installed on the outer wall of the air outlet pipe 505. The output ends of the plurality of air outlet pipes 505 are directed to the front end of the outer wall of the heat exchanger body 3, so that the air can be accurately applied to the drying position of the heat exchanger body 3.

[0034] The support assembly 2 comprises a mounting frame 201, a support shaft 202 and a first driving motor 203, the mounting frame 201 is fixedly installed on the top of the water tank 1, the support shaft 202 is provided with two, the top of the support shaft 202 is movably installed between the two mounting frames 201, the support shaft 202 is used for supporting the heat exchanger body 3 and can be rotated under the driving of the first driving motor 203, so that the heat exchanger body 3 can be cleaned and dried in all directions, the heat exchanger body 3 is located on the outer wall of the front end mounting frame 201 fixedly installed with the first driving motor 203, one end of one of the support shaft 202 is fixedly installed with the output end of the first driving motor 203, the first driving motor 203 drives the heat exchanger body 3 to rotate through the support shaft 202, and the rotation function of the heat exchanger body 3 is realized,

[0035] The end of the drain pipe 404 away from the first mounting shell 401 is fixedly installed on the top of the rear end mounting frame 201, the drain pipe 404 is supported, and the cleaning liquid can be stably transported to the rear end of the heat exchanger body 3, and the end of the exhaust pipe 505 away from the second mounting shell 501 is fixedly installed on the top of the rear end mounting frame 201, the exhaust pipe 505 is supported, and the air can be stably transported to the front end of the heat exchanger body 3,

[0036] The outer wall of the second mounting shell 501 is fixedly installed with a second driving motor 6 at the front end, the second driving motor 6 provides rotating power for the driving shaft 601, is a power source of the cleaning assembly 4 and the drying assembly 5, the output end of the second driving motor 6 is fixedly installed with the driving shaft 601, the driving shaft 601 transmits the power of the second driving motor 6 to the first paddle 402 and the second paddle 502, realizes the unified driving of the cleaning and drying power, the driving shaft 601 movably penetrates the first mounting shell 401 and the second mounting shell 501, the first paddle 402 and the second paddle 502 are fixedly connected to the outer wall of the driving shaft 601, so that the first paddle 402 and the second paddle 502 can rotate synchronously under the driving of the driving shaft 601,

[0037] The inside of the water tank 1 is slidably installed with a storage box 7, the inside of the storage box 7 is fixedly installed with a filter screen 8, the filter screen 8 is used for filtering impurities in sewage, preventing impurities from entering the water tank 1 and affecting the cleaning effect, the outer wall of the storage box 7 is fixedly connected with a pull handle 9, the pull handle 9 facilitates the operator to pull out the storage box 7 for cleaning and maintenance, the water inlet pipe 403 is located at the bottom of the storage box 7, so that the cleaning liquid passes through the filter of the storage box 7 first and then enters the water inlet pipe 403, the bottom of the water tank 1 is fixedly connected with a support leg 10, the support leg 10 provides stable support for the equipment, ensures the stability of the equipment in the running process, and the support leg 10 is provided with a plurality of rectangular distributions.

[0038] Working principle: first, the heat exchanger body 3 is placed on the top of the two support shafts 202, so that it is stably supported, then the first drive motor 203 is started, the output end of the first drive motor 203 drives one of the support shafts 202 to rotate, and then the heat exchanger body 3 is rotated.

[0039] Then turn on the second drive motor 6, the second drive motor 6 drives the drive shaft 601 to rotate, and the drive shaft 601 drives the first paddle 402 and the second paddle 502 to rotate at the same time.

[0040] When the first paddle 402 rotates, the cleaning liquid at the bottom of the storage box 7 in the water tank 1 is sucked into the inside of the first installation shell 401 through the water inlet pipe 403, and the cleaning liquid is sprayed from the plurality of water spray heads 405 through the drain pipe 404, uniformly sprayed on the rear end of the outer wall of the heat exchanger body 3, and cleaned to remove the dirt and impurities on the surface.

[0041] At the same time, the second paddle 502 rotates to suck the external air into the inside of the second installation shell 501 through the air inlet cover 504 and the air inlet pipe 503, and the air is sprayed from the plurality of air jet heads 506 through the air outlet pipe 505, uniformly sprayed on the front end of the outer wall of the heat exchanger body 3, and dried to remove the residual moisture after cleaning.

[0042] During the cleaning process, the sewage after cleaning falls into the storage box 7 in the water tank 1, and the sewage is filtered through the filter screen 8, and the impurities are intercepted in the storage box 7, and the filtered sewage can be treated subsequently.

[0043] After cleaning and drying, the first drive motor 203 and the second drive motor 6 are turned off, and the operator can pull out the storage box 7 through the pull handle 9 to clean the impurities therein, and the use and maintenance of the equipment can be completed.

[0044] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A power plant heat exchanger automatic cleaning apparatus comprising a water tank (1), characterized in that: The top of the water tank (1) is fixedly installed with a support assembly (2), the top of the support assembly (2) supports a heat exchanger body (3), the front end of the water tank (1) is fixedly installed with a cleaning assembly (4), and the front end of the water tank (1) is fixedly installed with a drying assembly (5); The cleaning assembly (4) comprises a first installation shell (401), a first paddle (402), a water inlet pipe (403), a drain pipe (404) and a water jet head (405), the first installation shell (401) is fixedly installed at the front end of the outer wall of the water tank (1), the first paddle (402) is movably installed in the first installation shell (401), the water inlet pipe (403) is fixedly connected to the bottom of the first installation shell (401), the bottom of the water inlet pipe (403) is fixedly connected to the inside of the water tank (1), the drain pipe (404) is fixedly connected to the top of the first installation shell (401), and the end of the drain pipe (404) away from the first installation shell (401) is located at the rear end of the heat exchanger body (3), and a plurality of water jet heads (405) are fixedly installed on the outer wall of the drain pipe (404), and the output ends of the plurality of water jet heads (405) are directed to the rear end of the outer wall of the heat exchanger body (3), The drying assembly (5) comprises a second installation shell (501), a second paddle (502), an air inlet pipe (503), an air inlet cover (504), an air outlet pipe (505) and an air jet head (506), the second installation shell (501) is fixedly installed at the front end of the first installation shell (401), the second paddle (502) is movably installed in the second installation shell (501), the air inlet pipe (503) is fixedly connected to the bottom of the second installation shell (501), the air inlet cover (504) is fixedly installed at the front end of the outer wall of the water tank (1), the bottom of the air inlet pipe (503) is fixedly connected to the inside of the air inlet cover (504), the air outlet pipe (505) is fixedly connected to the top of the first installation shell (401), the end of the air outlet pipe (505) away from the second installation shell (501) is located at the front end of the heat exchanger body (3), and a plurality of air jet heads (506) are fixedly installed on the outer wall of the air outlet pipe (505), and the output ends of the plurality of air outlet pipes (505) are directed to the front end of the outer wall of the heat exchanger body (3).

2. The power plant heat exchanger automatic cleaning apparatus according to claim 1, characterized in that: The support assembly (2) comprises a mounting bracket (201), a support shaft (202) and a first drive motor (203), the mounting bracket (201) is fixedly installed at the top of the water tank (1), the support shaft (202) is movably installed between the two mounting brackets (201), and the heat exchanger body (3) is located at the outer wall of the front end mounting bracket (201) fixedly installed with the two first drive motors (203).

3. The power plant heat exchanger automatic cleaning apparatus according to claim 1, characterized in that: The drain pipe (404) is fixedly installed on the top of the rear mounting rack (201) away from one end of the first mounting shell (401), and the exhaust pipe (505) is fixedly installed on the top of the rear mounting rack (201) away from one end of the second mounting shell (501).

4. The power plant heat exchanger automatic cleaning apparatus of claim 1, wherein: The outer wall of the second mounting shell (501) is fixedly installed with a second driving motor (6) at the front end, the output end of the second driving motor (6) is fixedly installed with a driving shaft (601), the driving shaft (601) movably penetrates the first mounting shell (401) and the second mounting shell (501), and the first paddle (402) and the second paddle (502) are fixedly connected to the outer wall of the driving shaft (601).

5. The power plant heat exchanger automatic cleaning apparatus of claim 1, wherein: The inside of the water tank (1) is slidably installed with a storage box (7), the inside of the storage box (7) is fixedly installed with a filter screen (8), the outer wall of the storage box (7) is fixedly connected with a pull handle (9), and the water inlet pipe (403) is located at the bottom of the storage box (7).

6. The power plant heat exchanger automatic cleaning apparatus of claim 1, wherein: The bottom of the water tank (1) is fixedly connected with a supporting leg (10), and the supporting leg (10) has a plurality of rectangular distributions.

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