Cooling water recycling device in hydrogen peroxide production

By incorporating a packing layer, spray nozzles, and louvers within the cooling tower, the problem of poor cooling performance in the circulating water system was solved, enabling efficient recycling of cooling water, reducing production costs, and ensuring equipment safety.

CN223691553UActive Publication Date: 2025-12-19LANZHOU TAIBANG CHEM TECH CO LTD
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Patent Information

Application Number
CN202423304552.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-19
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing circulating water systems have poor cooling and temperature reduction effects in hydrogen peroxide production, insufficient spray height, and poor atomization, which limits the production load to full capacity and increases costs.

Method used

The cooling tower is equipped with a packing layer, multiple sets of spray heads and louvers. Large and small semi-circular pipes are used to improve the spray height and atomization effect. Water droplet loss is reduced by a water collector, and a ring-shaped de-icing device is used to ensure the normal operation of the cooling water circulation system.

Benefits of technology

It improves the cooling efficiency of cooling water, ensures uniform cooling of production equipment, avoids local overheating, reduces production costs, and ensures the safe and stable operation of equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cooling water recycling device in hydrogen peroxide production, which relates to the technical field of recycling devices and comprises a cooling tower, a water inlet pipe is mounted at one end of the cooling tower in a penetrating manner, a shutter is fixedly mounted at the upper end of the cooling tower, and a connecting frame is fixedly mounted in the cooling tower. A packing layer is installed in the connecting frame, the outer wall of the water inlet pipe fixedly communicates with two sets of large semicircular ring pipes, and two sets of small semicircular ring pipes fixedly communicate with the positions, located in the two sets of large semicircular ring pipes, of the outer wall of the water inlet pipe. According to the utility model, the temperature of the circulating water can be obviously reduced, the spraying height can reach the preset height, the atomization effect is good, cooling water can be uniformly distributed on the filler layer, the full yield which limits the production load is prevented from reaching the standard, and meanwhile, the production cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to recycling device technical field especially relates to a cooling water recycling device in hydrogen peroxide production. BACKGROUND

[0002] Hydrogen peroxide is the aqueous solution of hydrogen peroxide, is a strong oxidant. In the production process, in order to prevent hydrogen peroxide decomposition, need to control reaction temperature through cooling, generally reaction temperature needs to control in certain range, such as 50-70 about ℃, this needs effective cooling device to take away the heat generated by reaction.

[0003] But in the prior art, for some circulating water device is open cooling tower, and the structure is no filler spray type, since the practice, the circulating water device cooling effect is poor to production equipment, the temperature difference of backwater is small, and the spray height does not reach preset height, atomization effect is poor, seriously limit the full production of production load standard, simultaneously, still can increase production cost, therefore, propose a kind of cooling water recycling device in hydrogen peroxide production. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of cooling water recycling devices in hydrogen peroxide production, to solve the problems of prior art, such as the cooling effect of traditional circulating water device to production equipment is poor, the temperature difference of backwater is small, and the spray height does not reach preset height, atomization effect is poor, seriously limit the full production of production load standard, simultaneously, still can increase production cost.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of cooling water recycling device in hydrogen peroxide production, including cooling tower, the water inlet pipe is installed in one end of the cooling tower, the upper end of the cooling tower is fixedly installed with louvre, the inside of the cooling tower is fixedly installed with connecting frame, the inside of the connecting frame is installed filler layer, the outer wall of the water inlet pipe is fixedly communicated with two groups of big semicircle ring pipe, the outer wall of the water inlet pipe and located in the inside of two groups of big semicircle ring pipe is fixedly communicated with two groups of small semicircle ring pipe, the lower end of two groups of big semicircle ring pipe and two groups of small semicircle ring pipe is fixedly communicated with multiple groups of spray head.

[0006] Preferably, the inside of the cooling tower is fixedly installed with water collector, the water collector is located in the middle of filler layer and the air outlet of cooling tower.

[0007] Preferably, the outer wall of two groups of big semicircle ring pipe is fixedly installed with two groups of support rods, the other end of two groups of support rods is fixed with the inner wall of cooling tower.

[0008] Preferably, the outer wall of the connecting frame is fixed with the inner wall of cooling tower.

[0009] Preferably, one end of the cooling tower penetrates a water outlet pipe, one side of the cooling tower is provided with a storage tank, and one end of the water outlet pipe is fixedly provided with a connecting pipe.

[0010] Preferably, one side of the storage tank is provided with a water pump, and the water outlet end of the water pump is fixedly provided with a special-shaped pipe.

[0011] Preferably, the other end of the special-shaped pipe penetrates into the inside of the storage tank, and the other end of the connecting pipe is fixed with the water inlet end of the water pump.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are that:

[0013] In the utility model, the filler layer is arranged in the cooling tower, so that the circulating water temperature can be obviously reduced, the two groups of large semicircular ring pipes and the two groups of small semicircular ring pipes are fixedly communicated on the outer wall of the water inlet pipe, and the lower ends of the two groups of large semicircular ring pipes and the two groups of small semicircular ring pipes are fixedly communicated with a plurality of spray heads, so that the spraying height can reach the preset height, the atomization effect is good, the cooling water can be uniformly distributed on the filler layer, the full production standard is prevented from limiting the production load, the production cost is reduced, the louvers can effectively guide air into the cooling tower, the flow direction of air is crucial to the cooling efficiency in the cooling tower with natural ventilation and mechanical ventilation, and the water collector can intercept the water droplets carried by air after the cooling water exchanges heat with air through the filler layer. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A structure schematic view of the cooling water recycling device in hydrogen peroxide production is provided for the utility model;

[0015] Figure 2 A front structure schematic view of the internal part of the cooling tower of the cooling water recycling device in hydrogen peroxide production is provided for the utility model;

[0016] Figure 3 A structure schematic view of the water inlet pipe, the two groups of large semicircular ring pipes and the two groups of small semicircular ring pipes of the cooling water recycling device in hydrogen peroxide production is provided for the utility model;

[0017] Figure 4 A top view of the cooling water recycling device in hydrogen peroxide production is provided for the utility model.

[0018] Legend: 1. Cooling tower; 2. Inlet pipe; 3. Water pump; 4. Louver; 5. Shaped pipe; 6. Outlet pipe; 7. Storage tank; 8. Connecting pipe; 9. Connecting frame; 10. Packing layer; 11. Support rod; 12. Large semi-circular ring pipe; 13. Spray head; 14. Small semi-circular ring pipe; 15. Water collector. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Example 1: As Figure 1 - Figure 4 As shown, this utility model provides a cooling water recycling device for hydrogen peroxide production, including a cooling tower 1. A water inlet pipe 2 is installed through one end of the cooling tower 1. A louver 4 is fixedly installed at the upper end of the cooling tower 1. A connecting frame 9 is fixedly installed inside the cooling tower 1. A packing layer 10 is installed inside the connecting frame 9. Two sets of large semicircular pipes 12 are fixedly connected to the outer wall of the water inlet pipe 2. Two sets of small semicircular pipes 14 are fixedly connected to the outer wall of the water inlet pipe 2 inside the two sets of large semicircular pipes 12. Multiple sets of spray heads 13 are fixedly connected to the lower ends of the two sets of large semicircular pipes 12 and the two sets of small semicircular pipes 14. A water collector 15 is fixedly installed inside the cooling tower 1. The water collector 15 is located between the packing layer 10 and the air outlet of the cooling tower 1. Two sets of support rods 11 are fixedly installed on the outer wall of the two sets of large semicircular pipes 12. The other ends of the two sets of support rods 11 are fixed to the inner wall of the cooling tower 1. The outer wall of the connecting frame 9 is fixed to the inner wall of the cooling tower 1.

[0022] The specific settings and functions of this embodiment are described below. By installing a connecting frame 9 inside the cooling tower 1 and a packing layer 10 inside the connecting frame 9, the temperature of the circulating water can be significantly reduced. By fixing two sets of large semicircular ring pipes 12 and two sets of small semicircular ring pipes 14 to the outer wall of the inlet pipe 2, and fixing multiple sets of spray heads 13 to the lower ends of the two sets of large semicircular ring pipes 12 and two sets of small semicircular ring pipes 14, the spray height can reach the preset height and the atomization effect is good. At the same time, the cooling water can be evenly distributed on the packing layer 10, preventing the production load from being limited to full production and reducing production costs.

[0023] By installing louvers 4 at the upper end of the cooling tower 1, the louvers 4 can effectively guide air into the cooling tower 1, the flow direction of air is crucial for cooling efficiency in both naturally ventilated and mechanically ventilated cooling towers 1, the louvers 4 can direct external air into the tower at the appropriate angle according to wind direction and air flow requirements inside the cooling tower 1, in a variable wind environment, the louvers 4 can adjust the angle to make the air enter the filler layer 10 of the cooling tower 1 vertically or nearly vertically, so that the air and cooling water can be more fully contacted, thereby improving heat exchange efficiency, at the same time, avoiding the occurrence of local overheating or uneven cooling, the louvers 4 help to evenly distribute the incoming air;

[0024] And by providing a water collector 15 inside the cooling tower 1, after the cooling water passes through the filler layer 10 and exchanges heat with the air, some water will be entrained by the air to form water droplets, these water droplets will flow upward with the air, the water collector 15 can intercept these entrained water droplets, the water collector 15 is mainly used to reduce the water droplets carried in the air discharged from the cooling tower 1, and reduce the loss of cooling water;

[0025] By providing four sets of support rods 11, the stability of the two sets of large semi-circular ring pipes 12 can be increased, and the connection frame 9 can support the filler layer 10;

[0026] The four sets of support rods 11, the connection frame 9, the frame of the cooling tower 1, the top of the tower, etc. are galvanized steel frame reinforced, which can increase the bearing capacity of the galvanized steel frame, make it better withstand the weight of the cooling tower 1, the weight of the equipment, wind load and seismic force and other external loads, reduce the risk of collapse and other safety accidents due to insufficient strength, and ensure the safe and stable operation of the cooling tower 1 and related equipment.

[0027] Embodiment two: as shown in Figure 1 , Figure 2 and Figure 4 , one end of the cooling tower 1 penetrates the water outlet pipe 6, one side of the cooling tower 1 is provided with a storage tank 7, one end of the water outlet pipe 6 is fixedly installed with a connecting pipe 8, one side of the storage tank 7 is provided with a water pump 3, the water outlet end of the water pump 3 is fixedly installed with a special-shaped pipe 5, the other end of the special-shaped pipe 5 penetrates into the inside of the storage tank 7, the other end of the connecting pipe 8 is fixed with the water inlet end of the water pump 3.

[0028] The whole embodiment achieves the effect that, by running the water pump 3, the water pump 3 can guide the water in the water outlet pipe 6 into the inside of the special-shaped pipe 5 through the connecting pipe 8, and into the inside of the storage tank 7 from the water outlet end of the special-shaped pipe 5, the cooled water is guided back into the inside of the storage tank 7 through the cooperation between the connecting pipe 8, the water pump 3 and the special-shaped pipe 5, stays and buffers in the storage tank 7 for a short time, and then is transported to the hydrogen peroxide production equipment by the external equipment, so as to realize the recycling of the cooling water.

[0029] By installing the annular ice device on the outer walls of the connecting pipe 8 and the special-shaped pipe 5, the annular ice device can prevent the occurrence of the situation by generating heat, which can use an electric heating element or a heat exchange medium circulation to keep the temperature around the connecting pipe 8 and the special-shaped pipe 5 above the freezing point, ensure the normal flow of the cooling water, maintain the normal operation of the whole cooling water circulation system, and guarantee the smoothness of the cooling water pipeline in winter, so that the cooling water can continuously take away the heat generated by the production equipment, thereby ensuring that the hydrogen peroxide production can be stably and efficiently carried out in a low-temperature environment.

[0030] The use method and working principle of the device are as follows: first, the water inlet pipe 2 is communicated with the external equipment, and the water outlet end of the storage tank 7 is also communicated with the external equipment, so that the treated cooling water can be poured into the hydrogen peroxide production equipment for cooling, and the cooling water absorbing heat enters the inside of the water inlet pipe 2 through the external equipment, flows into the inside of the plurality of spray heads 13 through the two groups of large semicircular ring pipes 12 and the two groups of small semicircular ring pipes 14, and then uniformly falls on the filler layer 10, and the cooling water is cooled through the cooperation between the internal structures of the cooling tower 1, and then flows out from the inside of the water outlet pipe 6, and the cooling water in the water outlet pipe 6 is guided into the inside of the connecting pipe 8 through the connecting pipe 8 by running the water pump 3, and then into the inside of the storage tank 7 for a short stay and buffering.

[0031] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A cooling water recycling device in hydrogen peroxide production, comprising a cooling tower (1), characterized in that: One end of the cooling tower (1) is installed through the water inlet pipe (2), the upper end of the cooling tower (1) is fixedly installed with the louver (4), the inside of the cooling tower (1) is fixedly installed with the connecting frame (9), the inside of the connecting frame (9) is installed with the filler layer (10), the outer wall of the water inlet pipe (2) is fixedly communicated with two groups of large semicircle ring pipes (12), the outer wall of the water inlet pipe (2) and inside two groups of large semicircle ring pipes (12) are fixedly communicated with two groups of small semicircle ring pipes (14), the lower end of two groups of large semicircle ring pipes (12) and two groups of small semicircle ring pipes (14) are fixedly communicated with a plurality of groups of spray heads (13).

2. The cooling water recycling device in hydrogen peroxide production according to claim 1, characterized in that: The inside of the cooling tower (1) is fixedly installed with the water collector (15), the water collector (15) is located between the filler layer (10) and the air outlet of the cooling tower (1).

3. The cooling water recycling device in hydrogen peroxide production according to claim 1, characterized in that: The outer wall of two groups of large semicircle ring pipes (12) is fixedly installed with two groups of supporting rods (11), the other end of two groups of supporting rods (11) is fixed with the inner wall of the cooling tower (1).

4. The cooling water recycling device in hydrogen peroxide production according to claim 1, characterized in that: The outer wall of the connecting frame (9) is fixed with the inner wall of the cooling tower (1).

5. The cooling water recycling device in hydrogen peroxide production according to claim 1, characterized in that: One end of the cooling tower (1) is installed through the water outlet pipe (6), one side of the cooling tower (1) is provided with the storage tank (7), one end of the water outlet pipe (6) is fixedly installed with the connecting pipe (8).

6. The cooling water recycling device in hydrogen peroxide production according to claim 5, characterized in that: One side of the storage tank (7) is provided with the water pump (3), the water outlet end of the water pump (3) is fixedly installed with the special-shaped pipe (5).

7. The cooling water recycling device in hydrogen peroxide production according to claim 6, characterized in that: The other end of the special-shaped pipe (5) penetrates into the inside of the storage tank (7), the other end of the connecting pipe (8) is fixed with the water inlet end of the water pump (3).