CN211291141U

CN211291141U - Relay heat exchanger

Info

Publication number: CN211291141U
Application number: CN201920799659.6U
Authority: CN
Inventors: 吕瑞强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-08-18
Anticipated expiration: 2029-05-27

Abstract

The utility model relates to a relay heat exchanger, which mainly comprises a heat preservation container, a built-in heat release tube array and a built-in heat absorption tube array. It is characterized in that the heat-releasing tube array group and the heat-absorbing tube array group are arranged in parallel or in a staggered way in the heat-insulating container. When the heat-absorbing heat-conducting heat-insulating device works, enough heat-conducting liquid is injected into the heat-insulating container, heat emitted from the heat-releasing tube array group is absorbed by the heat-absorbing tube array group by taking the heat-conducting liquid as a medium, and therefore the heat is transferred from the heat-releasing tube array group to the heat-absorbing tube array group.

Description

Relay heat exchanger

Technical Field

The utility model relates to a relay heat exchanger, mainly by the heat preservation container with built-in heat release be listed as nest of tubes, inhale heat and be listed as nest of tubes triplex. It is characterized in that the heat-releasing tube array group and the heat-absorbing tube array group are arranged in parallel or in a staggered way in the heat-insulating container. When the heat-absorbing heat-conducting heat-insulating device works, enough heat-conducting liquid is injected into the heat-insulating container, heat emitted from the heat-releasing tube array group is absorbed by the heat-absorbing tube array group by taking the heat-conducting liquid as a medium, and therefore the heat is transferred from the heat-releasing tube array group to the heat-absorbing tube array group. The relay heat exchanger is mainly used for a cascade heat pump unit and can also be used for heat transfer systems of related similar industries. The product belongs to the technical field of liquid heat transfer, and relates to three-medium heat transfer equipment.

Background

With the development of science and technology and economy, heat pumps are more widely applied and the technology is more mature, but in the market application, some problems also exist, such as:

(1) when the existing single-stage heat pump equipment is used for realizing deep heating or heating facing low ambient temperature, the energy efficiency ratio is inevitably reduced, so that a cascade heat pump product needs to be developed to meet the requirement.

(2) In the cascade heat pump unit, a three-medium two-step heat exchanger is required to be used as heat transfer equipment of two-stage compression circulation.

In light of the above, the inventors conceived a new device:

a heat preservation container is arranged, the container has a heat preservation function, the shape is not limited, and the container can be a U-shaped body or a cylindrical body. The heat preservation container can contain liquid. A heat dissipation array pipe group is arranged in the heat preservation container, and is provided with an inlet connector and an outlet connector; a heat absorption tube array is arranged in the heat preservation container, and is provided with an inlet connector and an outlet connector. The inlet joint and the outlet joint of the heat dissipation tube array group and the heat absorption tube array group extend out of the heat preservation container. In order to ensure enough heat dissipation area and ensure the convenience of external pipe fittings, the heat dissipation tube array group and the heat absorption tube array group can be made into a mode of connecting an inlet main pipe with an inlet distribution pipe and connecting a heat exchange tube bank with an outlet distribution pipe and connecting an outlet main pipe; or the heat exchange tube bank is directly connected with the main pipe through a special element without an inlet distribution pipe or an outlet distribution pipe. The heat-insulating container can be provided with a conventional liquid injection port, a temperature measuring port, a liquid level meter port or a sight glass and a conventional circulating inlet and outlet, the bottom of the heat-insulating container is provided with a liquid discharge port with a valve, and necessary reinforcing ribs and equipment supporting pieces are additionally arranged inside or outside the heat-insulating container. The heat-insulating container should also have a firmly connected seal head or seal cover to ensure that liquid does not leak. The inlet joint and the outlet joint extending out of the heat preservation container can select various conventional interface modes to prepare for being connected with other special pipes or equipment.

When in use, the utility model is connected with other devices, and heat-conducting liquid is injected into the heat-insulating container.

To the best of the applicant's knowledge, no such device is currently available on the market.

Disclosure of Invention

The utility model relates to a three-medium heat exchange device, which is a two-step heat transfer device.

The technical scheme of the utility model as follows:

a kind of relay heat exchanger, mainly by the thermal insulation container, heat release tube array group, heat absorption tube array group form, its characteristic is: the heat exchange main bodies of the heat release tube array group and the heat absorption tube array group are positioned in the heat insulation container, and the interfaces respectively extend out of the heat insulation container; the heat preservation container is one of a sealing head structure at two ends of the cylindrical box body and a sealing head structure at the upper end of the U-shaped box body, and a liquid outlet with a valve is arranged at the bottom of the heat preservation container; the heat-releasing array tube group and the heat-absorbing array tube group are arranged in a staggered manner or in a parallel manner, and the material is a heat-conducting metal or nonmetal pipe.

The utility model is characterized in that: the heat release tube array group is formed by sequentially connecting an inlet joint, an inlet main pipe, an inlet distribution pipe, a heat release tube array, an outlet distribution pipe, an outlet main pipe and an outlet joint; the heat absorption tube array group is formed by sequentially connecting an inlet joint, an inlet main pipe, an inlet distribution pipe, a heat absorption tube array, an outlet distribution pipe, an outlet main pipe and an outlet joint.

The utility model is characterized in that: the heat emitting gauntlets and heat absorbing gauntlets are allowed to be straight tubes, serpentine tubes and other profiled tubes.

The utility model is characterized in that: the length, the number and the pipe diameter of the heat release calandria are flexibly determined according to the process requirements and are allowed to be inconsistent with those of the heat absorption calandria; the length, the number and the pipe diameter of the heat release distribution pipes are flexibly determined according to the process requirements, and the heat release distribution pipes are allowed to be inconsistent with the heat absorption distribution pipes.

The utility model is characterized in that: allowing the heat-emitting tube array group and the heat-absorbing tube array group to be arranged in the heat-insulating container in a horizontal, vertical and turnover way.

The utility model is characterized in that: allowing the heat rejection array set to cancel the inlet distributor tube; allowing the heat-emitting array tube to exit the outlet dispense tube; allowing the heat absorbing array tube group to be removed from the inlet distribution tube; allowing the heat absorbing array to exit the outlet distributor tube. The heat discharging calandria or the heat absorbing calandria is directly connected with the main pipe in parallel through a special element under the condition of canceling the distributing pipe.

The utility model is characterized in that: the end socket of the heat preservation container is a conventional end socket, and the shape is not limited.

The utility model is characterized in that: the connection mode of the heat-insulating container end socket and the heat-insulating container barrel body is allowed to be bolt connection, riveting, welding and buckle connection.

The utility model is characterized in that: the heat-insulating container is allowed to be provided with a conventional liquid injection port, a temperature measuring port, a liquid level meter port, a safety valve, an overflow port, a sight glass and an inlet and outlet circulating pipe port.

The utility model has the advantages that:

(1) compact structure, large heat exchange area, uniform heat transfer contact surface and good heat transfer effect.

(2) The two-stage compression heat balance control of the cascade heat pump unit is simplified.

(3) The stable operation of the cascade heat pump unit is ensured.

Drawings

FIG. 1 is a perspective view of a heat-releasing array tube assembly;

FIG. 2 is a schematic view of a heat absorption array tube assembly;

FIG. 3 is a three-dimensional structure diagram of the heat-releasing tube array and the heat-absorbing tube array arranged alternately;

FIG. 4 is a perspective view of a relay heat exchanger with a square-tube double-sealing structure of a thermal insulation container;

FIG. 5 is a perspective view of a three-dimensional structure of a relay heat exchanger with a rectangular U-shaped single-head structure of a heat preservation container;

in the figure:

1. heat release calandria 11 and heat absorption calandria

2. Heat releasing inlet distribution pipe 12 and heat absorbing inlet distribution pipe

3. Heat release outlet distribution pipe 13 and heat absorption outlet distribution pipe

4. Heat release inlet main pipe 14 and heat absorption inlet main pipe

5. Heat release outlet main pipe 15 and heat absorption outlet main pipe

6. Heat release inlet connection 16, heat absorption inlet connection

7. Heat release outlet joint 17 and heat absorption outlet joint

20. Double-end-enclosure rectangular heat-insulation container barrel 30 and U-shaped heat-insulation container barrel

21. End socket 22 at heat release end and end socket at heat absorption end

23. U-shaped heat-insulating container end socket

24. Liquid discharge port 25 and liquid injection port

Detailed Description

Firstly, a heat preservation container is manufactured, and the shape of the container can be various conventional shapes, such as: the barrel-shaped belt double-end socket, the oval barrel-shaped belt double-end socket, the rectangular barrel-shaped belt double-end socket, the polygonal barrel-shaped belt double-end socket and the like. The heat preservation container can also be made into a U-shaped container with a single end enclosure structure. The U-shaped container can also be of various configurations, such as: circular U-shaped containers, oval U-shaped containers, rectangular U-shaped containers, polygonal U-shaped containers, and the like.

An exothermic array tube was fabricated. The heat release tube array group is formed by sequentially connecting an inlet joint, an inlet main pipe, an inlet distribution pipe, a heat release tube array, an outlet distribution pipe, an outlet main pipe and an outlet joint. The connection mode of the inlet main pipe and the inlet distribution pipe, the inlet distribution pipe and the heat release exhaust pipe, the heat release exhaust pipe and the outlet distribution pipe and the outlet main pipe of the heat release row pipe group selects conventional welding, fusion welding, clamping and buckling and screw thread connection processes according to material characteristics.

A heat absorbing heat array tube set is manufactured. The heat absorption tube array group is formed by sequentially connecting an inlet joint, an inlet main pipe, an inlet distribution pipe, a heat absorption tube array, an outlet distribution pipe, an outlet main pipe and an outlet joint. The connection mode of the inlet main pipe and the inlet distribution pipe, the inlet distribution pipe and the heat absorption calandria, the heat absorption calandria and the outlet distribution pipe and the outlet main pipe of the heat absorption calandria group selects the conventional welding, fusion welding, clamping and buckling and screw thread connection process according to the material characteristics.

And assembling the heat-releasing tube array group and the heat-absorbing tube array group into the heat-insulating container, enabling the inlet main pipe and the outlet main pipe of the heat-releasing tube array group to extend out of the heat-insulating container, sealing and fastening the perforated positions, covering the end sockets of the heat-insulating container, and fastening and connecting.

The relay heat exchanger is connected with special equipment, and heat-conducting liquid is injected into the heat-insulating container for use.

The following description will explain embodiments of the present invention with reference to the following embodiments:

example 1: rectangular double-end socket relay heat exchanger. See fig. 1-4.

FIG. 1 is a schematic view of a heat-radiating array tube assembly. The heat release pipe array is formed by sequentially connecting a heat release inlet joint 6, a heat release inlet main pipe 4, a heat release inlet distribution pipe 2, a heat release exhaust pipe 1, a heat release outlet distribution pipe 3, a heat release outlet main pipe 5 and a heat release outlet joint 7.

Fig. 2 is a perspective view of the heat absorption array tube assembly. The heat absorption tube array group is formed by sequentially connecting a heat absorption inlet joint 16, a heat absorption inlet main pipe 14, a heat absorption inlet distribution pipe 12, a heat absorption tube array 11, a heat absorption outlet distribution pipe 13, a heat absorption outlet main pipe 15 and a heat absorption outlet joint 17.

Fig. 3 is a three-dimensional structure diagram in which heat-releasing tube arrays and heat-absorbing tube arrays are arranged alternately. Here, the heat-releasing bank tube group and the heat-absorbing bank tube group are alternately combined.

Fig. 4 is a perspective view of a relay heat exchanger in which the heat-insulating container has a rectangular double-head structure. The combined heat release tube array group and heat absorption tube array group are inserted into a double-end-enclosure rectangular heat-insulation container cylinder 20, and heat release end enclosures 21 and heat absorption end enclosures 22 are covered on the heat release end and the heat absorption end, and the enclosures are fastened by bolts. Here, the heat release inlet joint 6 and the heat release outlet joint 7 extend out of the heat preservation container from the heat release end head 21; the heat absorption inlet joint 16 and the heat absorption outlet joint 17 extend out of the heat preservation container from the heat absorption end sealing head 22; the liquid outlet 24 is arranged at the bottom of the heat preservation container cylinder body 20; the liquid injection port 25 is installed at the top of the heat-insulating container cylinder 20.

After the formed rectangular double-end-enclosure relay heat exchanger is connected into special equipment, a proper amount of heat-conducting liquid is injected into the heat-insulating container for use. When the equipment is operated, a heat release medium enters the heat release tube array from the heat release inlet joint 6 and exits from the heat release outlet joint 7, and heat is transferred into heat-conducting liquid in the heat-insulating container through circulating flow; the heat absorbing medium enters the heat absorbing array group from the heat absorbing inlet joint 16, exits from the heat absorbing outlet joint 17, and transfers heat from the heat conducting liquid to the heat absorbing medium through circulating flow.

Example 2: rectangular U type relay heat exchanger. See fig. 5.

Fig. 5 is a perspective view of a three-dimensional structure of a relay heat exchanger with a rectangular U-shaped single-head structure as a heat preservation container. Here, the combination of the heat-releasing tube array and the heat-absorbing tube array was the same as in example 1, and the heat-insulating container cylinder and the heat-insulating container head were different from those in example 1. In the rectangular U-shaped relay heat exchanger, the heat-releasing tube array and the heat-absorbing tube array which are combined are assembled in a U-shaped heat-insulating container cylinder 30, and a U-shaped heat-insulating container end enclosure 23 is covered and fastened by bolts. Here, the heat release inlet joint 6, the heat release outlet joint 7, the heat absorption inlet joint 16 and the heat absorption outlet joint 17 all extend out of the heat preservation container from the U-shaped heat preservation container end enclosure 23; the liquid outlet 24 is arranged at the bottom of the heat preservation container cylinder body 20; the liquid injection port 25 is installed on the U-shaped heat preservation container end enclosure 23.

After the formed rectangular U-shaped relay heat exchanger is connected into special equipment, a proper amount of heat-conducting liquid is injected into the heat-insulating container for use. The heat transfer mechanism of operation is the same as in example 1.

Other devices of similar shape are not to be taken as an example.

The equipment is mainly characterized in that the heat-releasing tube array group and the heat-absorbing tube array group are arranged in the same heat-insulating container, and heat transfer is realized by a two-step method by taking heat-conducting liquid as a medium. Similar equipment conforming to the structural characteristics is within the protection scope of the application.

Claims

1. A kind of relay heat exchanger, mainly by the thermal insulation container, heat release tube array group, heat absorption tube array group form, its characteristic is: the heat exchange main bodies of the heat release tube array group and the heat absorption tube array group are positioned in the heat insulation container, and the interfaces respectively extend out of the heat insulation container; the heat preservation container is one of a sealing head structure at two ends of the cylindrical box body and a sealing head structure at the upper end of the U-shaped box body, and a liquid outlet with a valve is arranged at the bottom of the heat preservation container; the heat-releasing array tube group and the heat-absorbing array tube group are arranged in a staggered manner or in a parallel manner, and the material is a heat-conducting metal or nonmetal pipe.

2. The relay heat exchanger of claim 1, wherein: the heat release tube array group is formed by sequentially connecting an inlet joint, an inlet main pipe, an inlet distribution pipe, a heat release tube array, an outlet distribution pipe, an outlet main pipe and an outlet joint; the heat absorption tube array group is formed by sequentially connecting an inlet joint, an inlet main pipe, an inlet distribution pipe, a heat absorption tube array, an outlet distribution pipe, an outlet main pipe and an outlet joint.

3. The relay heat exchanger of claim 1, wherein: the heat discharging pipes and the heat absorbing pipes can be straight pipes or coiled pipes.

4. The relay heat exchanger of claim 1, wherein: the length, the number and the pipe diameter of the heat release calandria are allowed to be inconsistent with those of the heat absorption calandria; the length, number and pipe diameter of the heat-releasing distribution pipes are allowed to be inconsistent with those of the heat-absorbing distribution pipes.

5. The relay heat exchanger of claim 1, wherein: allowing the heat-releasing tube array group and the heat-absorbing tube array group to be horizontally arranged, vertically arranged and overturned in the heat-insulating container.

6. The relay heat exchanger of claim 1, wherein: the heat-releasing tube array group is allowed to cancel the inlet distribution tube, the heat-releasing tube array group is allowed to cancel the outlet distribution tube, the heat-absorbing tube array group is allowed to cancel the inlet distribution tube, the heat-absorbing tube array group is allowed to cancel the outlet distribution tube, and the heat-releasing tube array or the heat-absorbing tube array is directly connected with the main tube in parallel through a special element under the condition of canceling the distribution tube.

7. The relay heat exchanger of claim 1, wherein: the shape of the end socket of the heat preservation container is not limited.

8. The relay heat exchanger of claim 1, wherein: the connection mode of the heat preservation container end socket and the heat preservation container cylinder body is allowed to be one of bolt connection, riveting, welding and buckling connection.

9. The relay heat exchanger of claim 1, wherein: the heat-insulating container is allowed to be provided with a liquid injection port, a temperature measuring port, a liquid level meter port, a safety valve, an overflow port, a sight glass and an inlet and outlet circulating pipe interface.