Spraying structure of packing-free circular open type cooling tower

Abstract

The utility model discloses a spray structure of a packing-free circular open type cooling tower. Comprising a main spraying pipe, spraying branch pipes and a water inlet, the main spraying pipe is vertically arranged, the bottom end of the main spraying pipe is connected with a water inlet, and the main spraying pipe is connected with the spraying branch pipe; the spraying branch pipes are horizontally arranged, and the spraying branch pipes are uniformly and circumferentially arranged on the main spraying pipe; the main spraying pipe is sequentially provided with four spraying layers from top to bottom, each spraying layer is composed of four spraying branch pipes, and every two adjacent spraying layers are staggered by 45 degrees. And spray heads are uniformly arranged at the bottoms of the spray branch pipes. According to the circular open type cooling tower, hot water is uniformly sprayed into the cooling tower through the spraying structure, and secondary water distribution of filler is not needed, so that the working efficiency of the circular open type cooling tower is improved, and the production cost is reduced. The spraying structure can be applied to a circular open type cooling tower with the processing capacity of 100 m < 3 > / h to 5000 m < 3 > / h.

Description

Technical Field:

[0001] The utility model belongs to the technical field of open cooling towers, and particularly relates to a spray structure of a fillerless circular open cooling tower. Background Art:

[0002] In traditional circular open cooling towers, hot water is sprayed downward through a spray mechanism arranged at the top inside the tower. The hot water is evenly dispersed through the filler and exchanges heat with the cold air blown from the bottom to achieve the effect of cooling down. The filler is generally made of PVC film, and the temperature resistance limit is about 65°C.

[0003] In the petroleum and chemical industries, the cooling water temperature of the reactor can reach 80°C, and the PVC filler cannot withstand such high temperatures. To solve this problem, only metal mesh fillers or cement fillers can be selected. However, the specifications produced by current filler factories are only applicable to industrial cooling towers with a processing capacity of more than 500 m 3 / h.

[0004] The information disclosed in this background art section is only intended to enhance the overall understanding of the utility model and should not be regarded as an admission or any form of suggestion that this information constitutes prior art already known to those of ordinary skill in the art. Summary of the Utility Model:

[0005] The purpose of the utility model is to provide a spray structure of a fillerless circular open cooling tower, thereby overcoming the defects in the above-mentioned prior art.

[0006] To achieve the above purpose, the utility model provides a spray structure of a fillerless circular open cooling tower, which includes a main spray pipe, spray branch pipes, and a water inlet; the main spray pipe is vertically arranged, the bottom end of the main spray pipe is connected with the water inlet, and the main spray pipe is connected with the spray branch pipes; the spray branch pipes are horizontally arranged and are evenly circumferentially arranged on the main spray pipe; the main spray pipe is successively provided with four spray layers from top to bottom, and each spray layer is composed of four spray branch pipes, and adjacent spray layers are arranged staggeredly at 45°; the bottom of the spray branch pipes is evenly provided with nozzles; through the cooperation of the staggeredly arranged spray layers and the nozzles, the hot water is evenly sprayed.

[0007] Preferably, in the technical solution, the nozzles are annular nozzles, and eight nozzles are evenly circumferentially distributed on the annular surface of the annular nozzles. Each annular nozzle forms a circular spraying area; the circular spraying areas formed by the annular nozzles on the staggeredly arranged spray branch pipes in adjacent spray layers are tangent to each other to ensure uniform spraying.

[0008] Preferably, in the technical solution, the spray branch pipes corresponding to the single spray layer are connected by a vertically arranged vertical balance pipe, and the spray branch pipes corresponding to the double spray layer are also connected by a vertically arranged vertical balance pipe. The water distribution amount between the two spray layers is balanced through the vertical balance pipe to ensure that the water amounts in the two spray layers are equal.

[0009] Preferably, in the technical solution, narrow slit nozzles are evenly distributed on the outer side surface of the vertical balance pipe, and each narrow slit nozzle forms a fan-shaped spraying area. The outer edge of the fan-shaped spraying area closely adheres to the edge of the circular open cooling tower to ensure uniform spraying of the hot water in the cooling tower.

[0010] Preferably, in the technical solution, the main spray pipe, the spray branch pipe, and the vertical balance pipe are made of galvanized pipes.

[0011] Compared with the prior art, the present utility model has the following beneficial effects:

[0012] The hot water is evenly sprayed in the cooling tower through the spray structure, and there is no need to set up packing for secondary water distribution. This not only improves the working efficiency of the circular open cooling tower but also reduces the production cost. The spray structure is applicable to circular open cooling towers with a processing capacity of 100m 3 / h - 5000m 3 / h. Description of the drawings:

[0013] Figure 1 It is a schematic diagram of the spray structure of the non-packing circular open cooling tower of the present utility model;

[0014] Figure 2 It is of the present utility model Figure 1 Enlarged view of part A;

[0015] Figure 3 It is of the present utility model Figure 1 Enlarged view of part B. Detailed description of the specific implementation manner:

[0016] The following is a detailed description of the specific implementation manner of the present utility model, but it should be understood that the protection scope of the present utility model is not limited by the specific implementation manner.

[0017] Unless otherwise clearly stated, in the whole specification and claims, the term "comprising" or its variations such as "including" or "having" etc. will be understood to include the stated elements or components, without excluding other elements or other components.

[0018] Such as Figures 1-3As shown in the figure, a spray structure of a fillerless circular open cooling tower includes a main spray pipe 1, spray branch pipes 2, a water inlet 3, and a vertical balance pipe 4; the main spray pipe 1, spray branch pipes 2, and vertical balance pipe 4 are made of galvanized pipes; the main spray pipe 1 is vertically arranged, the bottom end of the main spray pipe 1 is connected with a water inlet 3, and the main spray pipe 1 is connected with the spray branch pipes 2; the spray branch pipes 2 are horizontally arranged, and the spray branch pipes 2 are evenly arranged circumferentially on the main spray pipe 1; the main spray pipe 1 is successively provided with four spray layers from top to bottom, and each spray layer is composed of four spray branch pipes 2, and adjacent spray layers are arranged staggeredly at 45°; the bottom of the spray branch pipe 2 is evenly provided with annular nozzles 5, and eight nozzles 6 are evenly distributed circumferentially on the annular surface of the annular nozzle 5, and each annular nozzle 5 forms a circular spraying area; the circular spraying areas formed by the annular nozzles 5 on the spray branch pipes 2 staggered in adjacent spray layers are tangent to each other.

[0019] The spray branch pipes 2 corresponding to the single spray layers are connected by a vertically arranged vertical balance pipe 4, and the spray branch pipes 2 corresponding to the double spray layers are also connected by a vertically arranged vertical balance pipe 4. The vertical balance pipe 4 balances the water distribution between the two spray layers to ensure that the water volumes in the two spray layers are equal. The outer side of the vertical balance pipe 4 is evenly provided with narrow slit nozzles 7, and each narrow slit nozzle 7 forms a fan-shaped spraying area, and the outer edge of the fan-shaped spraying area closely adheres to the edge of the circular open cooling tower to ensure uniform spraying of hot water in the cooling tower.

[0020] Hot water enters the main spray pipe 1 through the water inlet 3, and the hot water enters the spray branch pipes 2 of the four spray layers respectively through the main spray pipe 1 and is sprayed downward through the annular nozzles 5. The four spray layers form an integral cylindrical spraying area. The hot water enters the vertical balance pipe 4 and is sprayed out through the narrow slit nozzles 7, forming a supplementary fan-shaped spraying area outside the integral cylindrical spraying area. Through the cooperation of the staggeredly arranged spray layers, annular nozzles 5, and narrow slit nozzles 7, the integral cylindrical spraying area plus the outer peripheral fan-shaped spraying area cover the inner cavity of the circular open cooling tower, and the hot water is evenly sprayed in the circular open cooling tower, eliminating the need to set up fillers for secondary water distribution. This not only improves the working efficiency of the circular open cooling tower but also reduces the production cost. The spray structure is applicable to circular open cooling towers with a processing capacity of 100m 3 / h - 5000m 3 / h.

[0021] The foregoing description of specific exemplary embodiments of the present utility model is for purposes of illustration and exemplification. These descriptions are not intended to limit the present utility model to the precise forms disclosed, and it is apparent that many changes and variations are possible in light of the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present utility model and its practical applications, so that those skilled in the art can implement and utilize the various different exemplary embodiments of the present utility model, as well as various different selections and changes. The scope of the present utility model is intended to be defined by the claims and their equivalents.

Claims

1. A filler-free circular open cooling tower spray structure, characterized in that: It includes a main spray pipe, a spray branch pipe, and a water inlet; the main spray pipe is vertically arranged, the bottom end of the main spray pipe is connected to the water inlet, and the main spray pipe is connected to the spray branch pipe; the spray branch pipe is horizontally arranged, and the spray branch pipe is evenly circumferentially arranged on the main spray pipe; the main spray pipe is sequentially provided with four spray layers from top to bottom, each spray layer is composed of four spray branches, and adjacent spray layers are staggered at 45°; nozzles are evenly arranged at the bottom of the spray branch pipe.

2. The filler-free circular open cooling tower spray structure according to claim 1 is characterized in that: The nozzle is an annular nozzle, and eight nozzles are evenly distributed circumferentially on the annular surface of the annular nozzle. Each annular nozzle forms a circular spraying area. The circular spraying areas formed by the annular nozzles on the staggered spray branches in adjacent spray layers are tangent.

3. The filler-free circular open cooling tower spray structure according to claim 1 is characterized in that: The spray branch pipes corresponding to the odd-numbered spray layers are connected by a vertical balancing pipe arranged vertically, and the spray branch pipes corresponding to the even-numbered spray layers are also connected by a vertical balancing pipe arranged vertically.

4. The filler-free circular open cooling tower spray structure according to claim 3 is characterized in that: The outer side of the vertical balance pipe is evenly distributed with narrow slit nozzles, each narrow slit nozzle forms a fan-shaped spraying area, and the outer edge of the fan-shaped spraying area is close to the edge of the circular open cooling tower.

5. The filler-free circular open cooling tower spray structure according to claim 3 is characterized in that: The main sprinkler pipe, sprinkler branch pipe and vertical balance pipe are made of galvanized pipes.

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