Closed cooling tower with descaling function

By designing a movable connecting plate and positioning rod structure, efficient descaling of closed cooling towers was achieved, solving the corrosion risk caused by chemical residues and improving cleaning efficiency.

CN224051097UActive Publication Date: 2026-03-27YANGZHOU OUXUN COOLING EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Chemical residues left during the cleaning of closed-loop cooling towers can increase the risk of corrosion.

Method used

A closed cooling tower with descaling function was designed. Through a movable connecting plate and positioning rod structure, the coils and atomizing nozzles can be moved out of the tower body. Chemical agents can be sprayed by a water pump to directly clean the coils, avoiding contact between the agents and the inside of the tower body.

Benefits of technology

It effectively removes scale, reduces chemical residue, lowers the risk of corrosion, and improves cleaning efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224051097U_ABST
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Abstract

The closed cooling tower with the descaling function comprises a tower body and a coil pipe, water inlet and outlet pipes are fixedly connected to the two sides of the coil pipe, a hidden groove is formed in one side of the tower body, a positioning rod is fixedly connected into the hidden groove, a base plate is connected to the positioning rod in a sleeved mode, a support is fixedly connected to one side of the base plate, and the two sides of the coil pipe are fixedly connected with the support. A pressing plate is fixedly connected to one side of the support, the positioning rod is movably inserted into the pressing plate, a connecting plate is fixedly connected to one side of the positioning rod, threads are arranged on the side, close to the pressing plate, of the positioning rod, a limiting sleeve is in threaded connection with one side of the positioning rod, and the limiting sleeve makes contact with the pressing plate. The movable connecting plate is arranged to be matched with the positioning rod, the pressing plate and the base plate can be driven to move out of the tower body, the coil pipe and the atomization spray head are located on the outer side of the tower body, at the moment, chemical agents are put in, the atomization spray head sprays water to make contact with the coil pipe under the action of the water pump, and therefore cleaning and descaling can be provided, and meanwhile spreading of cleaning water is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to closed cooling tower technical field, concretely relates to a closed cooling tower with descaling function. BACKGROUND

[0002] The closed cooling tower is through circulating water in the tower closed circulation, and does not directly contact with the atmosphere, and through the filler or coil and air heat exchange, so that circulating water cooling, usually the filler in the closed cooling tower is the important component of air and water contact area, improves the heat exchange efficiency, therefore when the water quality is poor or contains more mineral in water, the scale will adhere to the surface of the filler.

[0003] According to the patent publication number CN222317760U "a closed cooling tower with descaling function", it mainly describes that the baffle is driven by the lifting drive to rise until the water outlet is blocked, the reversing valve is switched to make the water storage tank and the spray row communicate, the descaling agent in the water storage pool is sprayed to the tubular heat exchanger through the supply pump until the tubular heat exchanger is completely soaked, the baffle is driven by the lifting drive to fall after soaking for a period of time to make the descaling agent in the water collecting cover fall into the water accumulation pool, the reversing valve is switched to make the water accumulation pool and the water storage tank communicate, and the supply pump pumps the descaling agent to the water storage tank again.

[0004] Usually when cleaning the scale of the filler, the chemical agent needs to be dissolved or decomposed on the dirt of the coil, however, the diluted chemical agent is applied to the coil by precision casting or circulating, so that the chemical agent and the dirt fully react, and then the residual chemical agent and dirt are removed by flushing, in this case, the residual agent is easy to stay in the cooling tower and spread to other areas, a large amount of water is needed in the cleaning process, which increases the risk of corrosion.

[0005] Therefore, a closed cooling tower with descaling function is proposed to solve the problem of residual agent caused by chemical agent during cleaning, which increases the risk of corrosion. UTILITY MODEL CONTENT

[0006] The utility model solves the technical problem that the chemical agent produces residual agent during cleaning, which increases the risk of corrosion, and therefore proposes a closed cooling tower with descaling function.

[0007] The technical solution adopted by this utility model to solve the technical problem is as follows: a closed cooling tower with descaling function, including a tower body and a coil. Inlet and outlet water pipes are fixedly connected to both sides of the coil. A hidden groove is opened on one side of the tower body, and a positioning rod is fixedly connected in the hidden groove. A pad is sleeved on the positioning rod, and a bracket is fixedly connected to one side of the pad. Both sides of the coil are fixedly connected to the bracket, and a pressure plate is fixedly connected to one side of the bracket. The positioning rod is movably inserted into the pressure plate, and a connecting plate is fixedly connected to one side of the positioning rod. A thread is provided on the side of the positioning rod near the pressure plate, and a limit sleeve is threaded on one side of the positioning rod, contacting the pressure plate. A water pump is fixedly connected to the pressure plate, and a water collection pipe is fixedly connected to the output end of the water pump. Distributor pipes are evenly fixedly connected to the water collection pipe, and nozzles are evenly fixedly connected to the bottom side of the distributor pipe. A conduit is fixedly connected to the input end of the water pump, and a fixing block is fixedly connected to one end of the conduit, located at the bottom side of the tower body. A piston is fixedly connected to one end of the inlet and outlet water pipes, and a connecting pipe is sleeved on the piston.

[0008] As a preferred technical solution of this utility model, both ends of the piston are fixedly connected with gaskets. The gaskets are made of rubber material. By setting the gaskets, the sealing between the piston and the connecting ring can be increased.

[0009] As a preferred technical solution of this utility model, one side of the gasket contacts a limiting ring, and the limiting ring is fixedly connected to the inside of the connecting pipe. By setting the limiting ring, the gaskets on both sides of the piston can be squeezed by pressure, thereby improving the sealing performance.

[0010] As a preferred technical solution of this utility model, a folding sleeve is fixedly connected to one side of the fixing block, and the folding sleeve is fixedly connected to the inside of the tower body. By setting the folding sleeve, water can be prevented from contacting the connection between the conduit and the tower body.

[0011] As a preferred technical solution of this utility model, a spring is fixedly connected to one side of the tower body, and one end of the spring is in contact with the fixing block. By setting the spring, support can be provided for the folding sleeve, and the folding sleeve can be prevented from shrinking due to water pressure.

[0012] This utility model has the following advantages: by setting a movable connecting plate in conjunction with a positioning rod, the pressure plate and pad can be moved out of the tower body, so that the coil and atomizing nozzle are on the outside of the tower body. At this time, chemical agents are added, and under the action of the water pump, the atomizing nozzle sprays water to contact the coil, thereby providing cleaning and descaling while avoiding the spread of cleaning water. Attached Figure Description

[0013] Fig. 1 This is a side sectional view of a closed cooling tower with descaling function according to a preferred embodiment of the present invention.

[0014] Fig. 2 is a three-dimensional structure schematic diagram of the connection plate of the closed cooling tower with descaling function of the preferred embodiment of the utility model;

[0015] Fig. 3 is a three-dimensional structure schematic diagram of the connection pipe of the closed cooling tower with descaling function of the preferred embodiment of the utility model.

[0016] The figure mark explanation: 1, tower body; 2, hidden groove; 3, backing plate; 4, support; 5, coil pipe; 6, positioning rod; 7, connection plate; 8, pressing plate; 9, limiting sleeve; 10, water collecting pipe; 11, water distributing pipe; 12, spray head; 13, water pump; 14, guide pipe; 15, fixed block; 16, inlet and outlet water pipe; 17, piston; 18, connection pipe; 19, backing ring; 20, folding sleeve; 21, spring; 22, limiting ring. DETAILED DESCRIPTION

[0017] The utility model will be further described below in combination with the drawings.

[0018] Please combine with the reference Figs. 1-3 The closed cooling tower with descaling function shown in the figure, including tower body 1 and coil pipe 5, both sides of coil pipe 5 are fixedly connected with inlet and outlet water pipe 16, one side of tower body 1 is provided with hidden groove 2, hidden groove 2 is fixedly connected with positioning rod 6, coil pipe 5 is fixedly connected with pressing plate 8 and backing plate 3 through support 4, so that under the condition of limiting sleeve 9 disassembly, pressing plate 8 and backing plate 3 can be moved and drive coil pipe 5 and spray head 12 to move out together, backing plate 3 is sleeved on positioning rod 6, one side of backing plate 3 is fixedly connected with support 4, both sides of coil pipe 5 are fixedly connected with support 4, one side of support 4 is fixedly connected with pressing plate 8, positioning rod 6 is movably inserted with pressing plate 8, one side of positioning rod 6 is fixedly connected with connection plate 7, one side of positioning rod 6 close to pressing plate 8 is provided with screw thread, limiting sleeve 9 can slide in the place without screw thread, one side of positioning rod 6 is fixedly connected with limiting sleeve 9, limiting sleeve 9 is in contact with pressing plate 8, water pump 13 is fixedly connected on pressing plate 8, water pump 13 pumps water through water collecting pipe 10 and water distributing pipe 11 and sprays from spray head 12, the output end of water pump 13 is fixedly connected with water collecting pipe 10, water collecting pipe 10 is uniformly fixedly connected with water distributing pipe 11, the bottom side of water distributing pipe 11 is uniformly fixedly connected with spray head 12, the input end of water pump 13 is fixedly connected with guide pipe 14, guide pipe 14 is movably inserted with the bottom side of tower body 1, one end of guide pipe 14 is fixedly connected with fixed block 15, fixed block 15 is located at the bottom side of tower body 1, one end of inlet and outlet water pipe 16 is fixedly connected with piston 17, piston 17 is sleeved with connection pipe 18, inlet and outlet water pipe 16 can transport the medium to be cooled in cooperation with coil pipe 5, piston 17 cooperates with connection pipe 18, can provide the effect of certain telescopic movement, and can provide sealing effect in the process of movement.

[0019] Wherein, the piston 17 both ends are fixedly connected with the gasket ring 19, the gasket ring 19 is formed by rubber material, by setting gasket ring 19, can increase the sealing effect when gasket ring 19 links pipe 18 and limit ring 22 or contact tower body 1.

[0020] Wherein, the gasket ring 19 side contacts the limit ring 22, the limit ring 22 is fixedly connected in the inside of the link pipe 18, by setting limit ring 22, by extruding gasket ring 19, increase the sealing property.

[0021] Wherein, the fixed block 15 side is fixedly connected with the folding sleeve 20, the folding sleeve 20 side is fixedly connected in the inside of the tower body 1, by setting folding sleeve 20, avoid the water body invasion in the connecting place of the tower body 1 bottom side conduit 14 and tower body 1.

[0022] Wherein, the tower body 1 inside is fixedly connected with the spring 21, the spring 21 one end and the fixed block 15 contact, by setting spring 21, can provide support for folding sleeve 20, avoid folding sleeve 20 extrusion shrinkage.

[0023] Working principle: when the coil 5 in the tower body 1 needs to be cleaned, disassemble the limit sleeve 9, then pull the pressing plate 8, make the pressing plate 8 and the pad 3 synchronous movement, and pull the nozzle 12 and the coil 5 out of the tower body 1, at this time, the left water inlet and outlet pipe 16 moves to the left link pipe 18, and gradually contacts the limit ring 22, then the gasket ring 19 on the piston 17 contacts the upper side of the tower body 1, and the conduit 14 and the fixed block 15 move in the tower body 1, and close to the abutment plate 7, then the folding sleeve 20 and the spring 21 shrink, the fixed block 15 moves to the abutment plate 7 side in the tower body 1, then through the water pump 13, water is pumped through the water collecting pipe 10, the water distribution pipe 11 and the nozzle 12, and then the chemical agent is poured into the bottom side of the tower body 1, and the coil 5 is cleaned, this process avoids the contact of the chemical agent with the inside of the tower body 1, facilitates descaling, and also reduces the residue of the chemical agent.

[0024] The above is only preferred embodiment of the present application, it should be pointed out that, for ordinary skilled person in the art, without departing from the principle of the present application, can make a number of improvements and refinements, these improvements and refinements also should be considered as the protection scope of the present application.

[0025] Other parts not described in the present application are all prior art, so here is no longer elaborated.

[0026] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A closed cooling tower with scale removal function, comprising a tower body (1) and a coil pipe (5), both sides of the coil pipe (5) are fixedly connected with water inlet and outlet pipes (16), characterized in that, The tower body (1) one side is provided with a hidden groove (2), the hidden groove (2) is fixedly connected with a positioning rod (6), the positioning rod (6) is sleeved with a pad (3), the pad (3) one side is fixedly connected with a support (4), the both sides of the coil pipe (5) are fixedly connected with the support (4), the support (4) one side is fixedly connected with a pressing plate (8), the positioning rod (6) is movably inserted into the pressing plate (8), the positioning rod (6) one side is fixedly connected with a connecting plate (7), the positioning rod (6) is provided with a thread near the pressing plate (8) side, the positioning rod (6) is fixedly connected with a limiting sleeve (9) on one side, the limiting sleeve (9) is in contact with the pressing plate (8), the pressing plate (8) is fixedly connected with a water pump (13), the water pump (13) output end is fixedly connected with a water collecting pipe (10), the water collecting pipe (10) is uniformly fixedly connected with a water distribution pipe (11), the water distribution pipe (11) bottom side is uniformly fixedly connected with a spray head (12), the water pump (13) input end is fixedly connected with a conduit (14), the conduit (14) one end is fixedly connected with a fixed block (15), the fixed block (15) is located at the bottom side of the tower body (1), the inlet and outlet pipe (16) one end is fixedly connected with a piston (17), the piston (17) is sleeved with a connecting pipe (18).

2. The closed cooling tower with descaling function according to claim 1, characterized in that, The both ends of the piston (17) are fixedly connected with a gasket ring (19), the gasket ring (19) is made of rubber material.

3. The closed cooling tower with descaling function according to claim 2, characterized in that, The gasket ring (19) one side is in contact with a limiting ring (22), the limiting ring (22) is fixedly connected to the inner side of the connecting pipe (18).

4. The closed cooling tower with descaling function according to claim 1, characterized in that, The fixed block (15) one side is fixedly connected with a folding sleeve (20), the folding sleeve (20) one side is fixedly connected to the inner side of the tower body (1).

5. The closed cooling tower with descaling function according to claim 4, characterized in that, The tower body (1) one side is fixedly connected with a spring (21), the spring (21) one end is in contact with the fixed block (15).

Citation Information

Patent Citations

  • Closed cooling tower with descaling function

    CN222317760U