CN215063929U

CN215063929U - Pipe-communicated heating elbow connection heat exchanger

Info

Publication number: CN215063929U
Application number: CN202121221901.5U
Authority: CN
Inventors: 张伟; 孟红厉; 张冲
Original assignee: Shandong Lineng Heat Exchanger Co ltd
Current assignee: Shandong Lineng Heat Exchanger Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-07
Anticipated expiration: 2031-06-02

Abstract

A pipe UNICOM heating installation return bend connection heat exchanger includes: the plurality of cold water pipes, the cold water pipe plugging plate and the plurality of cold water pipes are communicated in a sealed connection way; the cold water pipe or the cold water pipe plugging plate is hermetically and fixedly connected with a cold water inlet pipe joint, a cold water outlet pipe joint, a heating air inlet pipe joint and a heating air outlet pipe joint; at least one heating elbow is arranged in the pipe cavity of the plurality of cold water pipes, and the plurality of heating elbows are connected and communicated by butt-joint communication ports in a welding way to form a hot fluid channel; the cold water pipe plugging plate plugs the end opening of the cold water pipe in a sealing way to form a cold fluid channel. The utility model saves the end plugging plate of the heating pipe, the connecting ports of the heating pipe communicating pipe and the two ends of the heating pipe, and reduces labor cost and labor intensity; the utility model discloses implement the cold and hot fluid pipeline of welded connection intercommunication in cold water pipe lumen external operation, improved welding speed and labor efficiency, reduced and reported the loss rate and the rate of leaking water descends, manufacturing cost reduces, production efficiency improves, has practiced thrift advantages and effects such as welding energy and raw and other materials.

Description

Pipe-communicated heating elbow connection heat exchanger

Technical Field

The utility model relates to a warm logical technical field, utilize the family heating to trade for the hot hydrothermal domestic heating installation conversion water heater, a pipe UNICOM heating installation return bend connection heat exchanger of concretely relates to stainless steel, low carbon steel matter or copper, aluminum pipe material for the heat source.

Background

Domestic heating installation conversion water heater (general name heat exchanger) field of market circulation at present, its heat exchanger technical characteristic generally is cooling water shell and tube cover heating installation inner tube passageway water storage formula structure, and this prior art exists not enoughly: the heating pipe welded connection intercommunication that inserts in the shell is high, the welding cost is high, operates in the heating pipe intracavity and welds and observes that the welding bead molten bath is limited or the obstacle for heating pipe welding UNICOM is as an organic whole to operate the welding degree of difficulty big, and heating pipe welding intercommunication disability rate is high, consequently, prior art has the defect, improves the application.

Disclosure of Invention

The present invention is based on the original patent of the applicant, and the technical defects are improved. The utility model aims at providing a manufacturing process compact structure is simple, welding cost is low, and the heating installation return bend that inserts the cold water pipe intracavity is nimble convenient at the operation welding of cold water pipe wall bead department, realizes the heating installation return bend at the technological means of the outside welded connection intercommunication of shell and tube, saves welding energy and raw and other materials, a kind of pipe UNICOM heating installation return bend connection heat exchanger that manufacturing cost is low.

In order to achieve the above object, the utility model adopts the following technical scheme:

a pipe UNICOM heating installation return bend connection heat exchanger includes: a plurality of cold water pipes and a cold water pipe plugging plate, wherein the plurality of cold water pipes are communicated in a sealed connection way; the cold water pipe or the cold water pipe plugging plate is hermetically and fixedly connected with a cold water inlet pipe joint, a cold water outlet pipe joint, a heating air inlet pipe joint and a heating air outlet pipe joint; the method is characterized in that: at least one heating elbow is arranged in the pipe cavity of the plurality of cold water pipes, and the plurality of heating elbows are connected and communicated by butt-joint communication ports in a welding way to form a hot fluid channel; the cold water pipe plugging plate plugs the end opening of the cold water pipe in a sealing way to form a cold fluid channel.

A pipe UNICOM heating installation return bend connect heat exchanger, characterized by: the heating elbow is a snakelike elbow, and the heating elbow inserted into the cold water pipe cavity is welded into an integrated snakelike elbow hot fluid channel through a butt joint communication port at the outer convex opening of the cold water pipe wall.

A pipe UNICOM heating installation return bend connect heat exchanger, characterized by: wherein, a cold water heat absorption pipe is arranged in the cavity of at least one heating elbow pipe; the cold water heat absorption pipe inserted into the pipe cavity of the heating elbow is fixedly connected with the inner cavity of the cold water pipe in a sealing way to form a three-sleeve cold fluid secondary continuous heating fast channel.

The utility model has the advantages of effect: the invention saves a plurality of manufacturing processes or raw materials of the heating pipe end plug plate, the heating pipe communicating pipe, the connecting ports at two ends of the heating pipe and the like in the prior art, and reduces labor cost and labor intensity; the problems that in the prior art, operation welding obstacles are implemented in the pipe orifice of the heating pipe of the pipe cavity, the difficulty of observing a welding pool is high due to the limitation of the space of the pipe cavity, the welding difficulty of the communicating pipe of the heating pipe is high, the leakage rate of the welding bead connecting part is high, the welding efficiency is low and the like are solved. The invention of the application is as follows: the independent connection and communication of the inner pipe passage and the outer pipe passage are welded outside the pipe cavity, and the technical means that the butt joint communication port 4 of the heating elbow is connected outside the pipe cavity of the cold water pipe and is operated, welded and communicated solves the problems; the cold water pipe is in operative welding connection with the adjacent pipe outside the pipe cavity through the pipe wall outer convex opening, the two fluid channels of cold and hot media are free of obstacles in welding, welding beads can be observed well, operation is flexible and convenient, welding speed and labor efficiency are improved, damage reporting rate and water leakage rate are reduced, production cost is reduced, production efficiency is improved, welding energy and raw materials are saved, and the like.

Drawings

Fig. 1 is a schematic diagram of the external structure of the present invention.

Fig. 2 is the utility model discloses the heating installation return bend 2 butt joint intercommunication mouth 4 butt joint welded connection intercommunication structural section as an organic whole and the hookup location schematic diagram of coupling that set up in the cold water pipe lumen.

Fig. 3 is a schematic structural view of a cold water heat absorption pipe 3 disposed in one of the heating elbows 2 of the present invention.

Fig. 4 is a schematic structural diagram of the present invention, in which a flat platform 11 and a convex opening 10 are pressed on the circular arc surface of the round pipe 1 of the cold water pipe.

In the drawings: 1. a cold water pipe; 2. a heating pipe bend; 3. a cold water heat absorption pipe; 4. butt-joint communication ports; 5. a cold water pipe plugging plate; 6. a cold water inlet pipe joint; 7. a cold water outlet pipe joint; 8. a heating inlet pipe joint; 9. a heating outlet pipe joint; 10. a pipe wall convex opening; 11. a flat platform; 12. and a support member.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

example (b):

the utility model is shown in figure 1, figure 2, figure 3 and figure 4. The invention discloses a welding gun for a heating pipe, which is inserted into a cold water pipe cavity, and aims to solve the technical problems that the welding difficulty of the welding gun for operating the heating pipe in the pipe cavity is high, the leakage rate is high and the welding cost is high due to the fact that an observation welding bead molten pool is limited by a pipe space, and the like. The heating pipe inserted into the cold water pipe is a snake-shaped bent pipe, the pipe is firstly held into the snake-shaped bent pipe and is cut off at the position of 180 degrees of a U bend, and the heating bent pipes 2 which are cut off to form an S bend are conveniently and respectively inserted into cavities of the cold water pipe 1; a flat platform 11 is pressed on the cambered surface of the circular pipe wall of the multiple cold water pipes 1, and pipe wall convex openings 10 are punched on the flat surface of the flat platform and are in butt joint with the adjacent pipe wall convex openings of the cold water pipes, or the pipe wall convex openings 10 are directly formed on the single wall of the pipe wall of the cold water pipe or the double walls are provided with pipe wall convex openings in butt joint; the divided heating elbows 2 are inserted into the cold water pipe cavities, welding guns are operated outside the pipe cavities at the pipe wall outer convex openings 10 arranged on the cold water pipes to carry out welding, and the butt-joint communication openings 4 of the heating elbows are connected and communicated into a whole in a butt-joint welding mode to form a heating fluid passage. After the butt-joint communication port of the heating elbow is welded, a plurality of cold water pipes and adjacent cold water pipes are connected and communicated in a butt-joint welding mode through pipe wall convex ports 10 to form a heat exchanger structure with the plurality of cold water pipes as an integral channel, and a cold water pipe plugging plate 5 is used for plugging the end opening of the cold water pipe in a sealing mode to form a heat exchanger connected with the heating elbow and communicated with the cold fluid channel.

According to the invention, a plurality of manufacturing processes, welding energy sources or raw materials such as a heating pipe end plug board, a heating pipe communicating pipe and a heating pipe communicating welding port arranged in the prior art are saved, and the labor cost is reduced; the problems that in the prior art, operation welding obstacles are implemented in the pipe orifice of the pipe cavity heating pipe, the pipe cavity is limited, a welding pool is difficult to observe, the welding difficulty of an operation welding gun in the pipe orifice is high, the leakage rate of the welding position of a communicating pipe of the heating pipe is high, the welding efficiency is low and the like are solved.

The invention solves the problems by adopting the technical means that the independent connection and communication of the two fluid channels of the inner pipe and the outer pipe are operated and welded outside the pipe cavity, and the connection of the butt joint communication port 4 of the heating elbow pipe is connected and connected outside the pipe cavity of the cold water pipe in a welding way; the cold water pipe is in operative welding connection with the adjacent pipe through the pipe wall outer convex opening, the two fluid channels of the cold medium and the hot medium are both in barrier-free welding outside the pipe cavity, the tightness of a welding seam is observed well, the operation is flexible and convenient, the labor intensity is reduced, and the advantages and effects that enterprises apply special welding technology and work are solved.

As shown in fig. 3, the pipe-communicated heating elbow pipe of the present invention is connected to a heat exchanger, wherein a cold water heat absorption pipe 3 is arranged in the pipe cavity of at least one heating elbow pipe 2; the cold water heat absorption pipe 3 inserted into the pipe cavity of the heating elbow pipe 2 is fixedly connected with the inner cavity of the cold water pipe 1 in a closed manner to form a three-sleeve cold fluid secondary continuous heating fast channel, so that the heat exchange quantity is improved, and the hot water exchanged continuously flows out.

The invention has the advantages and the effects that the welding connection is implemented outside the pipe cavity of the cold water pipe to communicate with the cold and hot fluid pipelines, the welding speed and the labor efficiency are improved, the failure reporting rate and the water leakage rate are reduced, the production cost is reduced, the production efficiency is improved, the welding energy and raw materials are saved, and the like.

The above-mentioned embodiments are only described for the preferred embodiments of the present invention, and are not intended to limit the concept and scope of the present invention, and the ordinary engineers in this field should fall into the scope of the present invention for various modifications and improvements of the technical solution of the present invention without departing from the design concept of the present invention.

Claims

1. A pipe UNICOM heating installation return bend connection heat exchanger includes: the device comprises a plurality of cold water pipes (1) and a cold water pipe plugging plate (5), wherein the plurality of cold water pipes (1) are communicated in a sealed connection manner; a cold water inlet pipe joint (6), a cold water outlet pipe joint (7), a heating air inlet pipe joint (8) and a heating air outlet pipe joint (9) are hermetically and fixedly connected on the cold water pipe (1) or the cold water pipe plugging plate (5); the method is characterized in that: at least one heating bent pipe (2) is arranged in the pipe cavity of the plurality of cold water pipes (1), and the plurality of heating bent pipes (2) are connected and communicated in a butt joint mode through a butt joint communication port (4) in a welding mode to form a hot fluid channel; the cold water pipe plugging plate (5) plugs the port of the cold water pipe (1) in a sealing way to form a cold fluid channel.

2. The union-pipe heat exchanger according to claim 1, wherein: the heating elbow (2) is a snakelike elbow, and the heating elbow (2) inserted into the pipe cavity of the cold water pipe (1) is welded into an integrated snakelike elbow hot fluid channel through a butt joint communication port (4) at the position of a convex opening (10) on the pipe wall of the cold water pipe (1).

3. The union-pipe-type heater elbow connection heat exchanger according to claim 1 or 2, wherein: wherein a cold water heat absorption pipe (3) is arranged in the pipe cavity of at least one heating elbow pipe (2); the cold water heat absorption pipe (3) inserted into the pipe cavity of the heating elbow (2) is fixedly connected with the inner cavity of the cold water pipe (1) in a sealing way to form a three-sleeve cold fluid secondary continuous heating fast channel.