CN214148910U

CN214148910U - Novel heat exchanger collecting pipe

Info

Publication number: CN214148910U
Application number: CN202022930500.9U
Authority: CN
Inventors: 翁良津; 林伟杰; 朱建平
Original assignee: Guangdong Aosen Heat Exchange System Co ltd
Current assignee: Guangdong Aosen Heat Exchange System Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-09-07
Anticipated expiration: 2030-12-09

Abstract

The utility model belongs to computer lab heat extraction field, a new-type heat exchanger collector, a serial communication port, including V type coil pipe and import collector. The upper end of the V-shaped coil pipe is provided with a connecting port; the inlet collecting pipe is an L-shaped bent pipe, one end of the inlet collecting pipe is provided with a connecting part, the outer diameter of the connecting part is smaller than that of the inlet collecting pipe, and the outer diameter of the connecting part is the same as the inner diameter of the connecting port; the bottom end of the connecting part is provided with a crescent opening; the connecting part is fixedly connected with the connecting port. The utility model discloses a new-type heat exchanger collector, the crescent opening that the bottom of import collector was seted up is difficult for blockking refrigerants such as water and freon at the heat exchanger during operation crescent opening, and work efficiency is high. The connecting end of the connecting part and the inlet header is 5mm away from the upper end surface of the connecting port, so that the operation during brazing is facilitated.

Description

Novel heat exchanger collecting pipe

Technical Field

The utility model belongs to computer lab heat extraction field, concretely relates to new-type heat exchanger collector.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied. The heat exchanger is an energy-saving device for transferring heat between materials between two or more fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to make the temperature of the fluid reach the index specified by the process so as to meet the requirements of process conditions, and is also one of main devices for improving the utilization rate of energy. The heat exchanger industry relates to more than 30 industries such as heating ventilation, pressure vessels, reclaimed water treatment equipment, chemical industry, petroleum and the like, and an industrial chain is formed mutually. Data show that the market scale of the heat exchanger industry in China in 2010 is about 500 million yuan, and the heat exchanger industry is mainly focused on the fields of petroleum, chemical engineering, metallurgy, electric power, ships, central heating, refrigeration and air conditioning, machinery, food, pharmacy and the like.

In the prior art, as shown in fig. 5, the connection between the first pipe 4 and the second pipe 5 usually adopts a straight pipe, and the flow resistance is large and the efficiency is affected when the refrigerants such as water and freon touch the edge of the connecting pipe. We have therefore devised a new heat exchanger manifold to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, an object of the utility model is to provide a new-type heat exchanger collector, it can solve the problem that ordinary import collector can influence refrigerant efficiency in the heat exchanger.

The utility model adopts the following technical scheme: a new heat exchanger header characterized by: comprises a V-shaped coil pipe and an inlet header;

the upper end of the V-shaped coil pipe is provided with a connecting port;

the inlet collecting pipe is an L-shaped bent pipe, one end of the inlet collecting pipe is provided with a connecting part, the outer diameter of the connecting part is smaller than that of the inlet collecting pipe, and the outer diameter of the connecting part is the same as the inner diameter of the connecting port;

the bottom end of the connecting part is provided with a crescent opening;

the connecting part is fixedly connected with the connecting port.

Preferably, the connecting portion and the connecting port are installed to face each other.

Preferably, when the connecting part and the inlet header are installed, the connecting end of the connecting part and the inlet header is 5mm away from the upper end surface of the connecting port.

Preferably, the outer diameter of the connection is 32mm and the wall thickness is 1.2 mm.

Preferably, the crescent opening is circular arc-shaped, and the radius is 15 mm.

Preferably, the connecting part is fixedly connected with the connecting port by means of soldering.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a new-type heat exchanger collector, the crescent opening that the bottom of import collector was seted up is difficult for blockking refrigerants such as water and freon at the heat exchanger during operation crescent opening, and work efficiency is high.

2. The utility model discloses a new-type heat exchanger collector, the operation when being convenient for braze is apart from connector up end 5 mm's design to the connector end of connecting portion and import collector.

3. The utility model discloses a new-type heat exchanger collector adopts brazed mode, and heating temperature is lower, and is less to base metal tissue and nature excitation influence, and the brazing joint is levelly and smoothly smooth, and the appearance is pleasing to the eye, and weldment warp less, especially adopt the method of brazing of even heating (like the stove brazing), and the deformation of weldment can reduce to minimum, guarantees the size precision of weldment easily.

Drawings

FIG. 1 is a schematic front view of an inlet header of the present invention;

FIG. 2 is a schematic side view of an inlet header of the present invention;

fig. 3 is a schematic perspective view of the present invention;

fig. 4 is a schematic perspective view of the V-shaped tube plate of the present invention;

FIG. 5 is a schematic sectional view of the present invention;

FIG. 6 is a prior art heat exchanger header connection.

In the figure: 1. v-shaped tube plate 101, a connecting port 2, an inlet collecting pipe 21, a connecting part 3, a crescent opening 4, a first tube body 5 and a second tube body.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. In the drawings of the embodiments of the present application, hatching of various types in the drawings is not labeled according to national standards, does not require the material of elements, and distinguishes the sectional views of the elements in the drawings.

Referring to fig. 1-5, a new heat exchanger header is shown which solves the problem of refrigerant efficiency affected by a conventional inlet header in a heat exchanger. Concretely, the novel heat exchanger header comprises a V-shaped coil 1 and an inlet header 2.

The upper end of the V-shaped coil pipe 1 is provided with a connecting port 101;

the inlet header 2 is an L-shaped bent pipe, one end of the inlet header 2 is provided with a connecting part 21, the outer diameter of the connecting part 21 is smaller than that of the inlet header 2, the outer diameter of the connecting part 21 is the same as the inner diameter of the connecting port 101, the connecting part 21 and the connecting port 101 are installed in a facing mode, and the connecting part 21 and the connecting port 101 are fixedly connected in a brazing mode. The brazing heating temperature is low, the influence on the base metal structure and the performance is small, a brazed joint is flat and smooth, the appearance is attractive, the deformation of a weldment is small, particularly, a brazing method of uniform heating (such as brazing in a furnace) is adopted, the deformation of the weldment can be reduced to the minimum degree, and the dimensional precision of the weldment is easy to ensure.

When the connecting portion 21 and the inlet header 2 are mounted, the connecting end of the connecting portion 21 and the inlet header 2 is 5mm from the upper end surface of the connecting port 101. Has certain clearance, is convenient for the operation during brazing.

The connecting portion 21 had an outer diameter of 32mm and a wall thickness of 1.2 mm.

Crescent opening 3 has been seted up to connecting portion 21 bottom, and the crescent opening that the bottom of import header was seted up, crescent opening 3 are circular-arc, and the radius is 15 mm. The crescent opening is difficult to block refrigerants such as water and freon when the heat exchanger works, and the working efficiency is high.

When the welding device is installed, the connecting part 21 is placed into the connecting port 101, the connecting part 21 is rotated to ensure that the direction of the crescent opening 3 is consistent with the direction of the V-shaped coil pipe 1, and then welding operation is carried out.

The above; but are merely preferred embodiments of the present application; the scope of protection of the present application is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the application are equally replaced or changed; are intended to be covered by the scope of the present application.

Claims

1. A new heat exchanger header characterized by: comprises a V-shaped coil pipe (1) and an inlet header pipe (2);

the upper end of the V-shaped coil pipe (1) is provided with a connecting port (101);

the inlet collecting pipe (2) is an L-shaped bent pipe, one end of the inlet collecting pipe (2) is provided with a connecting part (21), the outer diameter of the connecting part (21) is smaller than that of the inlet collecting pipe (2), and the outer diameter of the connecting part (21) is the same as the inner diameter of the connecting port (101);

the bottom end of the connecting part (21) is provided with a crescent opening (3);

the connecting part (21) is fixedly connected with the connecting port (101).

2. The new heat exchanger header as claimed in claim 1, wherein: the connecting part (21) and the connecting port (101) are installed in a manner of facing.

3. The new heat exchanger header as claimed in claim 2, wherein: when the connecting part (21) and the inlet header (2) are installed, the connecting end of the connecting part (21) and the inlet header (2) is 5mm away from the upper end surface of the connecting port (101).

4. The new heat exchanger header as claimed in claim 1, wherein: the connecting part (21) has an outer diameter of 32mm and a wall thickness of 1.2 mm.

5. The new heat exchanger header as claimed in claim 1, wherein: the crescent opening (3) is arc-shaped, and the radius is 15 mm.

6. The new heat exchanger header as claimed in claim 1, wherein: the connecting part (21) and the connecting port (101) are fixedly connected in a brazing mode.