CN219474406U

CN219474406U - Connecting pipe structure of circulation pipeline for cooling tower

Info

Publication number: CN219474406U
Application number: CN202320181573.3U
Authority: CN
Inventors: 彭博; 戴聪; 吴加胜; 陈善齐; 马豪
Original assignee: Hunan Yuanheng Technology Co ltd
Current assignee: Hunan Yuanheng Technology Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-08-04
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses a connecting pipe structure of a circulating pipeline for a cooling tower, which relates to the technical field of cooling towers and comprises a main pipeline and a branch pipeline connected with the main pipeline; the branch pipeline is a PVC pipe; the branch interface of the main pipeline is connected with the branch pipeline through a rubber soft joint; and two ends of the rubber soft joint are fastened with the branch joint and the branch pipeline through the hose clamps. The utility model aims to solve the problems of high material cost, complex welding process, heavy weight and inconvenient installation caused by the adoption of a metal pipeline of the existing cooling tower circulating pipeline.

Description

Connecting pipe structure of circulation pipeline for cooling tower

Technical Field

The utility model relates to the technical field of cooling towers, in particular to a connecting pipe structure of a circulating pipeline for a cooling tower.

Background

In the cooling tower industry, the cooling medium is generally water, the circulating pipeline is generally a steel threaded pipe, a water pump, a valve, a pipeline and the like form waterway circulation with the cooling tower, waste heat in a heating and ventilation system can be taken away by the cooling tower, circulating water temperature in the heating and ventilation system in the civil field is generally 0-45 ℃, the circulating pipeline is generally connected with the cooling tower by adopting a flange when conveying the cooling medium to the cooling tower, the use requirement of the external circulating pipeline of the cooling tower can be met by generally selecting a flange with nominal pressure PN10 or PN16, and a pipeline water distribution system is also arranged in the cooling tower, for example: the spray pipe water distribution system of the countercurrent cooling tower is usually of simple design, the pipeline of the water distribution system inside the cooling tower is also communicated by adopting a flange-connected steel threaded pipe, but the pressure of the water distribution system of the cooling tower in the civil field is not large, and the countercurrent cooling tower is taken as an example: the pressure of the water distribution system is the sum of the hydrodynamic pressure and the back pressure at the spray head, the residual pressure of the water distribution system is only about 20-50 kpa in general, and the pressure of the water distribution system is usually smaller than that of the countercurrent tower because of the characteristic of gravity water distribution of the crossflow cooling tower.

As shown in fig. 1, in the water distribution system in the existing cooling tower, the main pipe 1 and the branch pipe 2 are metal pipes, and are connected by adopting the steel threaded pipe flange 3, the flange 3 needs to be welded and fixed, so that not only is the design margin too large, but also the material cost is greatly wasted, and the technological process of welding the flange is increased, and most importantly, the installation is very inconvenient, the branch pipe is the steel pipe with too large weight, and the assembly work can be completed by means of tools and simultaneous operation of multiple people.

Disclosure of Invention

The utility model aims to solve the problems that the material cost is high, the welding process is complex, the weight is large and the installation is inconvenient due to the adoption of a metal pipeline in the conventional cooling tower circulating pipeline.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a connection pipe structure of a circulation pipeline for a cooling tower comprises a main pipeline and branch pipelines connected with the main pipeline; the branch pipeline is a PVC pipe; the branch interface of the main pipeline is connected with the branch pipeline through a rubber soft joint; and two ends of the rubber soft joint are fastened with the branch joint and the branch pipeline through the hose clamps.

Compared with the prior art, the utility model has the beneficial effects that:

the branch pipeline is made of PVC pipe materials, is connected with the metal main pipeline through the rubber soft joint, so that the whole quality is lighter, a complex welding process is eliminated, the cost is lower, meanwhile, the installation is more convenient, the rubber soft joint is adopted to connect the pipeline, the pipeline has the characteristics of negative pressure resistance, axial expansion and displacement compensation, round pipes with different materials can be connected at two ends, and the like, the PVC branch pipeline is matched with the light PVC branch pipeline to be very convenient for outdoor installation work of the water distribution system pipeline of the cooling tower, after the installation is finished, the maximum pressure-resistant range can reach 400kpa, the pipeline can be suitable for the pressure-bearing requirement of the pipeline connection of the water distribution system in the cooling tower, meanwhile, the cooling water circulation water temperature of the cooling tower system in the civil heating and ventilation field is generally 0-45 ℃, and the PVC pipeline can meet the working condition requirement.

In order to improve the application range of the utility model, the working conditions of large pipe diameter and higher pressure bearing requirement are considered as far as possible, and as a further improvement of the technical scheme, the pipe orifices of the branch interfaces and the branch pipes are provided with annular bosses, and the throat hoops are fastened in front of and behind the annular bosses.

In order to reduce the cost and improve the structural stability, as a further improvement of the technical scheme, the main pipeline is a galvanized pipe.

As a further improvement of the technical scheme, the tail end of the branch pipeline is sealed by a pipe cap made of PVC material.

Drawings

FIG. 1 is a schematic diagram of a structure in which main pipes and branch pipes are connected through flanges in a conventional cooling tower.

FIG. 2 is a schematic diagram of the structure of the present utility model.

Fig. 3 is a schematic 3D structure of a rubber hose connector.

Fig. 4 is a schematic cross-sectional structure of the main pipe and the branch pipe after being connected by a rubber flexible joint.

Fig. 5 is an enlarged view of a portion a in fig. 4.

In the figure: 1. a main pipe; 2. a branch pipe; 3. a flange; 4. a rubber soft joint; 5. a laryngeal cuff; 6. a tube cap; 7. an annular boss; 8. branching interfaces.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.

As shown in fig. 1 to 5, a connection pipe structure of a circulation pipeline for a cooling tower comprises a main pipeline 1 and a branch pipeline 2 connected with the main pipeline; the branch pipeline 2 is a PVC pipe; the branch interface 8 of the main pipeline 1 is connected with the branch pipeline 2 through the rubber soft joint 4; the two ends of the rubber soft joint 4 are fastened with the branch joint 8 and the branch pipeline 2 through the throat hoops 5.

As a preferable mode of the above embodiment, the branch joint 8 and the orifice of the branch pipe 2 are provided with annular bosses 7, and the throat hoop 5 is fastened in front of and behind the annular bosses 7.

As a preferred mode of the above embodiment, the main pipe 1 is a galvanized pipe.

As a preferable mode of the above embodiment, the tail end of the branch pipe 1 is closed by a pipe cap 6 made of PVC.

The principle of the utility model is as follows:

all parts are respectively made of galvanized pipes, PVC pipes and other materials, the pipe orifice at one end is a galvanized main pipe 1, the pipe orifice at the other end is a branch pipe 2 made of PVC materials, the tail end of the branch pipe is sealed by a pipe cap 6 made of PVC materials, the pipe orifices at the two ends of the galvanized main pipe 1 and the branch pipe 2 are respectively sleeved by a rubber hose connector 4, and the pipe orifices at the two ends are respectively fastened by a hose clamp 5.

The rubber flexible joint 4 has the characteristics of negative pressure resistance, axial expansion, displacement compensation, connection of round pipes of different materials at two ends, and the like, and can be matched with a light PVC branch pipe to be very convenient for outdoor installation work of a water distribution system pipeline of a cooling tower, after the installation is finished, the maximum pressure resistant range can reach 400kpa, and the rubber flexible joint can be suitable for pressure-bearing requirements of the connection of the water distribution system pipeline inside the cooling tower, meanwhile, the cooling water circulation water temperature of the cooling tower system in the civil heating and ventilation field is generally 0-45 ℃, and the PVC pipe can meet the working condition requirements.

Furthermore, in order to improve the application range of the utility model, the working conditions of large pipe diameter and higher pressure bearing requirement are considered as much as possible, the main pipe 1 and the branch pipe 2 are respectively provided with annular bosses at pipe openings, the main pipe 1 utilizes the convex groove equipment to process the inner wall of the pipe opening into a convex circular ring, the branch pipe 2 can be customized according to the convex circular ring, the rubber soft joint 4 is respectively sleeved with the pipe openings at two ends, and the pipe openings are respectively fastened by the hose clamps 5 before and after the annular bosses.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this utility model, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the utility model, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims

1. A connecting pipe structure of a circulating pipeline for a cooling tower comprises a main pipeline (1) and a branch pipeline (2) connected with the main pipeline; the utility model is characterized in that the branch pipeline (2) is a PVC pipe; the branch interface (8) of the main pipeline (1) is connected with the branch pipeline (2) through a rubber soft joint (4); the two ends of the rubber soft joint (4) are fastened with the branch joint (8) and the branch pipeline (2) through the hose clamp (5).

2. The connection pipe structure of the circulating pipeline for the cooling tower according to claim 1, wherein annular bosses (7) are arranged at the pipe orifices of the branch connectors (8) and the branch pipelines (2), and the throat hoops (5) are fastened in front of and behind the annular bosses (7).

3. The connection pipe structure of a circulation pipe for a cooling tower according to claim 1, wherein the main pipe (1) is a galvanized pipe.

4. The connecting pipe structure of the circulating pipeline for the cooling tower according to claim 1, wherein the tail end of the branch pipeline (2) is sealed by a pipe cap (6) made of PVC.