CN217686764U

CN217686764U - Plate type heat exchanger

Info

Publication number: CN217686764U
Application number: CN202221470504.6U
Authority: CN
Inventors: 田雨
Original assignee: Nanjing Zhire Energy Saving Technology Co ltd
Current assignee: Nanjing Zhire Energy Saving Technology Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-10-28
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses a plate heat exchanger, which comprises a housin, the inside of casing sets up two heat transfer cores, the heat transfer core comprises the conducting strip of a plurality of bendings, set up hot gas channel and cooling channel between the adjacent conducting strip, hot gas channel and cooling channel interval set up, two heat transfer cores set up side by side, and the hot gas channel of one side passes through hot gas transition passageway intercommunication, the hot gas channel of opposite side communicates hot gas import and hot gas outlet respectively through two bellows, all set up the brush in hot gas channel and the cooling channel, the brush-holder stud is connected to brush one end, the screw hole is seted up to the brush-holder stud upper end, screw hole spiro union extension bar. According to the plate heat exchanger, the corrugated pipe is arranged, so that the hot gas inlet position has higher heat deformation resistance, and the problem of loose connection of the hot gas inlet position caused by thermal deformation is avoided; and the brush capable of cleaning the inside of the heat exchange core is arranged, so that attachments can be conveniently cleaned, the brush is convenient to clean, and the brush can be detached when not in use, and is convenient and flexible to use.

Description

Plate type heat exchanger

Technical Field

The utility model belongs to the technical field of the heat exchanger, concretely relates to plate heat exchanger.

Background

The plate heat exchanger is a high-efficiency heat exchanger formed by stacking a series of metal sheets with certain corrugated shapes. Thin rectangular channels are formed between the various plates through which heat is exchanged. The plate heat exchanger is an ideal device for liquid-liquid and liquid-steam heat exchange. The heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like.

However, the hot gas inlet positions of the existing plate heat exchanger are connected through a straight-surface pipeline, when high-temperature gas enters an internal heat exchange structure, the hot gas inlet positions are easy to generate thermal deformation, and the problem of loose connection of the hot gas inlet pipelines is easily caused; and the inside clearance function that does not have of current heat exchanger is used inside adhering to dust impurity clearance for a long time and is stranded

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plate heat exchanger to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plate heat exchanger, includes the casing, the inside of casing sets up two heat transfer cores, the heat transfer core comprises the conducting strip of a plurality of bendings, sets up hot gas path and cooling channel between the adjacent conducting strip, hot gas path and cooling channel interval set up, and two heat transfer cores set up side by side, and the hot gas path of one side passes through hot gas transition passageway intercommunication, and the hot gas path of opposite side communicates hot gas import and hot gas outlet respectively through two bellows, and the cooling channel of one side passes through cooling transition passageway intercommunication, and the cooling channel of opposite side communicates air conditioning import and air conditioning export respectively, all set up the brush in hot gas path and the cooling channel, the brush-holder stud is connected to brush one end, the screw hole is seted up to the brush-holder stud upper end, screw hole spiro union extension bar.

Preferably, a plurality of supporting protrusions are arranged on the heat conducting sheet.

Preferably, one end of the hot gas channel on one side of the corrugated pipe is provided with a hot gas concentration cover, and the hot gas concentration cover is connected with the corrugated pipe.

Preferably, a cold air concentration cover is arranged at one end of the cooling channel on one side of the cold air inlet and the cold air outlet, and the cold air concentration cover is connected with the cold air inlet and the cold air outlet.

Preferably, the top of the shell is provided with an air cylinder, and the output end of the air cylinder is connected with an extension rod.

Preferably, the shape of the brush is the same as the cross-sectional shape of the hot air path or the cooling path.

The utility model discloses a technological effect and advantage: according to the plate heat exchanger, the corrugated pipe is arranged, so that the hot gas inlet position has higher heat deformation resistance, and the problem of loose connection of the hot gas inlet position caused by thermal deformation is avoided; the supporting bulges are arranged, so that the heat conducting fins on two sides are prevented from being attached to influence the gas circulation due to extrusion; and still set up the brush that can clear up the inside of heat transfer core, conveniently clear up the attachment, the clearance is convenient, can pull down convenient to use, nimble when not using moreover.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a heat exchange core of the present invention;

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

FIG. 4 isbase:Sub>A schematic sectional view A-A of the present invention;

fig. 5 is a schematic bottom view of the present invention;

FIG. 6 is a schematic view of the structure of B-B of the present invention;

fig. 7 is a schematic top view of the present invention;

fig. 8 is a schematic view of the structure of C-C of the present invention.

In the figure: 1. a housing; 2. a heat exchange core; 3. a hot gas inlet; 4. a hot gas outlet; 5. a bellows; 6. a cold air inlet; 7. a cold air outlet; 8. a hot gas concentration hood; 9. a hot gas path; 10. a cooling channel; 11. a hot gas transition passage; 12. a cold air concentration cover; 13. cooling the transition passage; 14. a brush bar; 15. a brush; 16. and supporting the projection.

Detailed Description

The following description will further explain embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The utility model provides a plate heat exchanger as shown in fig. 1-8, including casing 1, the inside of casing 1 sets up two heat transfer cores 2, is equipped with hot gas inlet 3, hot gas outlet 4, air conditioning import 6 and air conditioning export 7 on the casing 1.

As shown in fig. 2, the heat exchange core 2 is composed of a plurality of bent heat-conducting fins, a hot air passage 9 and a cooling passage 10 are arranged between adjacent heat-conducting fins, the hot air passage 9 and the cooling passage 10 are arranged at intervals, a plurality of supporting protrusions 16 are arranged on the heat-conducting fins, and the supporting protrusions 16 are used for supporting, so that the heat-conducting fins on two sides are prevented from being attached to influence the gas flow due to extrusion.

As shown in fig. 3 and 4, two heat exchange cores 2 are arranged in parallel, the hot gas passage 9 on one side is communicated through a hot gas transition passage 11, the hot gas passage 9 on the other side is respectively communicated with a hot gas inlet 3 and a hot gas outlet 4 through two corrugated pipes 5, and hot gas of the hot gas passage 9 on one side can be input into the hot gas passage 9 of the heat exchange core 2 on the other side through the hot gas transition passage 11, so that the complete flow of hot gas is realized; one end of a hot gas channel 9 on one side of the corrugated pipe 5 is provided with a hot gas concentration cover 8, the hot gas concentration cover 8 is connected with the corrugated pipe 5, as one end of the hot gas channel 9 is square, and a hot gas inlet 3 and a hot gas outlet 4 are circular, the hot gas concentration cover 8 is arranged for enabling hot gas entering from the hot gas inlet 3 to enter each hot gas channel 9, the hot gas concentration cover 8 is cubic, and is provided with a round hole which is connected with the hot gas inlet 3 or the hot gas outlet 4;

as shown in fig. 5 and 6, the cooling channel 10 on one side is communicated through a cooling transition channel 13, the cooling channel 10 on the other side is respectively communicated with a cold air inlet 6 and a cold air outlet 7, the cooling gas of the cooling channel 10 on one side can be input into the cooling channel 10 of the heat exchange core 2 on the other side through the cooling transition channel 13, so as to realize the complete flow of the cooling gas, a cold air concentration cover 12 is arranged at one end of the cooling channel 10 on one side of the cold air inlet 6 and the cold air outlet 7, the cold air concentration cover 12 is connected with the cold air inlet 6 and the cold air outlet 7, and the cold air concentration cover 12 has the same structure and function as the hot air concentration cover 8;

as shown in fig. 7 and 8, brushes 15 are arranged in the hot air passage 9 and the cooling passage 10, one end of each brush 15 is connected with a brush rod 14, the upper end of each brush rod 14 is provided with a threaded hole, the threaded hole is in threaded connection with an extension rod, when the brush rod needs to be used, the extension rod is in threaded connection with the brush rod 14 through the extension rod, the hot air passage 9 and the cooling passage 10 can be brushed by pushing and pulling the extension rod up and down, dust and impurities which are brushed off are discharged through air flow, and the use is very convenient; the top of casing 1 sets up the cylinder, and the extension bar is connected to the output of cylinder, also can drive the extension bar through the cylinder and stretch out and draw back, realizes 15 brushes of brush and moves, uses manpower sparingly. The shape of the brush 15 is the same as the cross-sectional shape of the hot gas channel 9 or the cooling channel 10, i.e., the cross-sectional shape of the hot gas channel 9 or the cooling channel 10 as shown in fig. 4.

In the use process of the plate heat exchanger, hot gas needing heat exchange enters from a hot gas inlet 3, enters a hot gas concentration cover 8 through a corrugated pipe 5, then passes through each hot gas channel 9, sequentially passes through the hot gas channel 9, the hot gas concentration cover 8 and the corrugated pipe 5 on the other side through a hot gas transition channel 11, and is finally discharged from a hot gas outlet 4; meanwhile, the cooling gas sequentially passes through the cooling gas concentration cover 12 and the cooling channel 10 from the cooling gas inlet 6, sequentially passes through the cooling channel 10 and the cooling gas concentration cover 12 on the other side after passing through the cooling transition channel 13, and is finally discharged from the cooling gas outlet 7, and heat exchange is realized when hot gas and the cooling gas enter the heat exchange core 2.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A plate heat exchanger comprising a housing (1), characterized in that: the inside of casing (1) sets up two heat transfer cores (2), heat transfer core (2) comprise the conducting strip of a plurality of bendings, set up hot gas path (9) and cooling channel (10) between the adjacent conducting strip, hot gas path (9) and cooling channel (10) interval set up, and two heat transfer cores (2) set up side by side, and hot gas path (9) of one side communicate through hot gas transition passageway (11), and hot gas path (9) of opposite side communicate hot gas import (3) and hot gas export (4) respectively through two bellows (5), and cooling channel (10) of one side communicate through cooling transition passageway (13), and cooling channel (10) of opposite side communicate air conditioning import (6) and air conditioning export (7) respectively, all set up brush (15) in hot gas path (9) and cooling channel (10), brush-holder (14) are connected to brush (15) one end, the screw hole is seted up to brush-holder (14) upper end, the screw hole spiro union extension bar.

2. A plate heat exchanger according to claim 1, characterized in that: the heat conducting sheet is provided with a plurality of supporting bulges (16).

3. A plate heat exchanger according to claim 1, characterized in that: the hot gas concentrated cover (8) is arranged at one end of the hot gas channel (9) on one side of the corrugated pipe (5), and the hot gas concentrated cover (8) is connected with the corrugated pipe (5).

4. A plate heat exchanger according to claim 1, characterized in that: the cooling channel (10) one end of air conditioning import (6) and air conditioning export (7) one side sets up air conditioning and concentrates cover (12), air conditioning is concentrated cover (12) and is connected air conditioning import (6) and air conditioning export (7).

5. A plate heat exchanger according to claim 1, characterized in that: the top of the shell (1) is provided with an air cylinder, and the output end of the air cylinder is connected with an extension bar.

6. A plate heat exchanger according to claim 1, characterized in that: the shape of the brush (15) is the same as the cross-sectional shape of the hot gas channel (9) or the cooling channel (10).