CN217844860U - Mixed brazing plate type heat exchanger - Google Patents

Abstract

The utility model relates to a brazed plate heat exchanger technical field specifically is a mixed type brazed plate heat exchanger, including brazed plate heat exchanger body and candle filter, brazed plate heat exchanger body and candle filter pass through heat medium pipe through connection, and brazed plate heat exchanger body is including the front end housing, there is the rear end housing at the rear side fixed mounting of front end housing, and fixed mounting has the heat transfer slab that a plurality of groups equidistance distributes between front end housing and the rear end housing, and candle filter is including the main jar of body, there is the heat preservation at the inner wall fixed mounting of the main jar of body, and the inside fixed mounting of the main jar of body has filter element, brazed plate heat exchanger body and candle filter and the heat medium pipe combination of through setting up become mixed type brazed plate heat exchanger, can carry out the filtration preliminary treatment of heat transfer to the higher heat medium of concentration, thereby can effectually avoid impurity to adhere to on the heat transfer slab, prevent the scale deposit slab, and then can effectually reduce heat transfer slab dirt layer thermal resistance, promote the coefficient of heat transfer.

Description

Mixed brazing plate type heat exchanger

Technical Field

The utility model relates to a plate heat exchanger technical field of brazing specifically is a mixed type plate heat exchanger of brazing.

Background

The brazing plate type heat exchanger is a novel high-efficiency heat exchanger formed by a series of metal sheets with certain corrugated shapes through brazing processing, a thin rectangular channel is formed between various sheets, heat exchange is carried out through the sheets, the sheets are liquid, liquid and steam are ideal equipment for heat exchange, but when heat transfer is carried out through a heat medium with higher concentration, a large amount of impurities are attached to the heat exchange sheets, the heat resistance of a dirt layer of the heat exchange sheets is increased, and the heat transfer coefficient is reduced.

Therefore, it is desirable to design a hybrid brazed plate heat exchanger to solve the above-mentioned problems of the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mixed type brazed plate heat exchanger to solve the problem that proposes in 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 mixed type brazed plate heat exchanger, including brazed plate heat exchanger body and candle filter, brazed plate heat exchanger body and candle filter pass through heat medium pipe through connection, and brazed plate heat exchanger body is including the front end housing, there is the rear end housing at the rear side fixed mounting of front end housing, and fixed mounting has the heat transfer slab that a plurality of groups equidistance distributes between front end housing and the rear end housing, and candle filter is including the main jar of body, there is the heat preservation at the inner wall fixed mounting of the main jar of body, and the inside fixed mounting of the main jar of body has filter element, filter element's top link up simultaneously and install the collector tube, be provided with the residue mouth in the main jar of body bottom, and the surface of the main jar of body is close to the bottom, top department is provided with the inlet respectively, the clear liquid mouth.

As the utility model discloses preferred scheme, bolt fixedly connected with cover is passed through at the top of the main tank body, is provided with the gas vent at the top of cover, and the equal fixed mounting in top surface both sides of cover has the installation ear.

As the utility model discloses preferred scheme, a side that the rear end housing was kept away from to the front end housing is provided with heat medium inlet port, heat medium outlet port, refrigerant inlet port, refrigerant outlet port, and heat medium inlet port, refrigerant outlet port are located the top that heat medium outlet port, refrigerant inlet port respectively, and heat medium inlet port and refrigerant outlet port, heat medium outlet port and refrigerant inlet port parallel arrangement are advanced to the while.

As the utility model discloses preferred scheme, the heat transfer slab is close to four corners department and all runs through and has seted up the angular hole, and heat transfer slab both ends face all is provided with the spherical ripple that a plurality of groups equidistance distributed.

As the preferred proposal of the utility model, the liquid collecting pipe and the heat medium conduit are connected through the clear liquid port.

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

1. the utility model discloses in, it is leading-in to the inside of the main tank body from the inlet with hot dense liquid, and through filter element percolating filter to go out the clear liquid, collect by the collector tube simultaneously, and derive by clear night mouth, at last by leading-in to the inside of brazing sheet heat exchanger body of heat medium pipe, meanwhile to the leading-in refrigerant of brazing sheet heat exchanger body, the clear night of leading-in heat afterwards, the refrigerant can come the both ends face of heat transfer slab respectively, and carry out the energy exchange, realize the heat transfer, and make up into mixed type brazing sheet heat exchanger through brazing sheet heat exchanger body and candle filter and the heat medium pipe that sets up, can carry out the filtration preliminary treatment of heat transfer to the higher heat medium of concentration, thereby can effectually avoid impurity to adhere to on the heat transfer slab, prevent the heat transfer slab scale deposit, and then can effectually reduce heat transfer slab dirt layer thermal resistance, promote coefficient of heat transfer.

Drawings

Fig. 1 is a schematic view of the overall front plan external structure of the present invention;

FIG. 2 is a schematic view of a front plan perspective structure of a candle filter according to the present invention;

FIG. 3 is a schematic view of a side view plane of a brazed plate heat exchanger body according to the present invention;

fig. 4 is a schematic view of an enlarged structure of a front view plane of a heat exchange plate sheet in the present invention;

in the figure: 1. a brazed plate heat exchanger body; 2. a candle filter; 21. a main tank body; 211. a heat-insulating layer; 212. a filter element; 213. a liquid collecting pipe; 214. a residue port; 215. a liquid inlet; 216. a clear liquid port; 22. a bolt; 23. a can cover; 231. an exhaust port; 232. mounting ears; 3. a heat medium conduit; 4. a front end cover; 41. a heating medium inlet port; 42. a heat medium outlet port; 43. a refrigerant inlet port; 44. a refrigerant outlet port; 5. a rear end cap; 6. a heat exchange plate; 61. corner holes; 62. spherical corrugations.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

Please refer to fig. 1-4, the present invention provides a technical solution:

the utility model provides a mixed type brazed plate heat exchanger, including brazed plate heat exchanger body 1 and candle filter 2, brazed plate heat exchanger body 1 and candle filter 2 pass through heat medium pipe 3 through connection, and brazed plate heat exchanger body 1 is including front end housing 4, rear end housing 5 is fixed to the rear side at front end housing 4, and fixed mounting has a plurality of groups of heat transfer sheet 6 of equidistance distribution between front end housing 4 and the rear end housing 5, and candle filter 2 is including the main jar of body 21, inner wall fixed mounting at the main jar of body 21 has heat preservation 211, heat consumption when can effectual reduction heat medium filtration through the heat preservation 211 that sets up, and the inside fixed mounting of the main jar of body 21 has filter element 212, the liquid trap 213 is run through and is installed on the top of filter element 212 simultaneously, be provided with residue mouth 214 in the bottom of the main jar of body 21, and the surface of the main jar of body 21 is close to the bottom, top department is provided with inlet 215, clear liquid mouth 216 respectively.

The liquid collecting pipe 213 and the heat medium conduit 3 are in through connection through a clear liquid port 216, a hot concentrated liquid is introduced into the main tank 21 from the liquid inlet 215, and the clear liquid is filtered by permeating through the filter element 212, and is collected by the liquid collecting pipe 213 and led out through a clear liquid port 216, and finally the heat medium conduit 3 is introduced into the brazed plate heat exchanger body 1, and meanwhile, a refrigerant is introduced into the brazed plate heat exchanger body 1, and then the introduced clear liquid and the refrigerant respectively come to two end faces of the heat exchange plates 6 and exchange energy, so that heat exchange is realized, and a hybrid brazed plate heat exchanger is combined by the brazed plate heat exchanger body 1, the candle filter 2 and the heat medium conduit 3, so that heat exchange pretreatment can be performed on a heat medium with high concentration, impurities can be effectively prevented from being attached to the heat exchange plates 6, scaling of the heat exchange plates 6 can be prevented, thermal resistance of dirt layers of the heat exchange plates 6 can be effectively reduced, and heat transfer coefficient can be improved.

In this embodiment, referring to fig. 2, a tank cover 23 is fixedly connected to the top of the main tank 21 through bolts 22, an air outlet 231 is disposed at the top of the tank cover 23, and mounting lugs 232 are fixedly mounted on both sides of the top surface of the tank cover 23, so that residues attached to the outer surface of the filter element 212 can be cleaned through the air outlet 231 after filtering is completed, and finally the residues are guided out through the residue outlet 214, thereby achieving the function of automatic residue cleaning.

In this embodiment, referring to fig. 1 and 4, a side surface of the front end cover 4 away from the rear end cover 5 is provided with a heat medium inlet port 41, a heat medium outlet port 42, a refrigerant inlet port 43, and a refrigerant outlet port 44, and the heat medium inlet port 41 and the refrigerant outlet port 44 are respectively located at the top of the heat medium outlet port 42 and the refrigerant inlet port 43, and the heat medium inlet port 41 and the refrigerant outlet port 44, the heat medium outlet port 42, and the refrigerant inlet port 43 are arranged in parallel; the heat exchange plate 6 is close to four corners and all runs through and has seted up the angular hole 61, and 6 both ends faces of heat exchange plate all are provided with the spherical ripple 62 that a plurality of groups equidistance distributed, through setting up in the spherical ripple 62 of 6 both ends faces of heat exchange plate than chevron shape, straight shape ripple its more difficult scale deposit, more be applicable to the higher heat medium heat transfer of concentration.

The working principle is as follows: during heat exchange, firstly, hot concentrated liquid is led into the main tank body 21 from the liquid inlet 215, and filtered clear liquid is permeated through the filtering element 212, and is collected by the liquid collecting pipe 213 and led out from the clear liquid outlet 216, and finally, the hot medium conduit 3 is led into the brazing plate type heat exchanger body 1, meanwhile, a refrigerant is led into the brazing plate type heat exchanger body 1, then the led hot clear liquid and the refrigerant respectively come to two end faces of the heat exchange plate 6, energy exchange is carried out, heat exchange is realized, then the hot clear liquid and the refrigerant which finish heat exchange are respectively led out through the heat medium outlet port 42 and the refrigerant outlet port 44, and a mixed brazing plate type heat exchanger is combined by the brazing plate type heat exchanger body 1, the candle filter 2 and the heat medium conduit 3, can carry out the filtration preliminary treatment of heat transfer to the higher heat medium of concentration, thereby can effectually avoid impurity to adhere to on heat transfer sheet 6, prevent the scale deposit of heat transfer sheet 6, and then can effectually reduce the heat resistance of heat transfer sheet 6 dirt layer, promote the coefficient of heat transfer, and heat consumption when heat medium is filtered through the heat preservation 211 that sets up can effectual reduction, simultaneously can accomplish to its surface adnexed residue clear up after filtering at filter element 212 through the gas vent 231 that sets up, derive by residue mouth 214 at last, reach the function of automatic scarfing cinder, meanwhile through setting up spherical ripple 62 at heat transfer sheet 6 both ends face than the chevron shape, its difficult scale deposit of straight shape ripple, be more applicable to the higher heat medium heat transfer of concentration, certain spreading value has.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a mixed type brazed plate heat exchanger, includes brazed plate heat exchanger body (1) and candle filter (2), its characterized in that: brazing plate heat exchanger body (1) and candle filter (2) are through connection through heat medium pipe (3), and brazing plate heat exchanger body (1) is including front end housing (4), rear end housing (5) are fixed mounting at the rear side of front end housing (4), and fixed mounting has a plurality of heat transfer slab (6) that the equidistance of group distributes between front end housing (4) and rear end housing (5), and candle filter (2) are including main jar of body (21), there is heat preservation (211) at the inner wall fixed mounting of the main jar of body (21), and the inside fixed mounting of the main jar of body (21) has filter element (212), the top of filter element (212) link up simultaneously and install collector tube (213), be provided with residue mouth (214) in the main jar of body (21) bottom, and the surface of the main jar of body (21) is close to the bottom, top department is provided with inlet (215), clear liquid mouth (216) respectively.

2. A hybrid brazed plate heat exchanger according to claim 1, wherein: the top of the main tank body (21) is fixedly connected with a tank cover (23) through a bolt (22), an exhaust port (231) is formed in the top of the tank cover (23), and mounting lugs (232) are fixedly mounted on two sides of the top surface of the tank cover (23).

3. A hybrid brazed plate heat exchanger according to claim 1, wherein: one side face, far away from the rear end cover (5), of the front end cover (4) is provided with a heat medium inlet port (41), a heat medium outlet port (42), a refrigerant inlet port (43) and a refrigerant outlet port (44), the heat medium inlet port (41) and the refrigerant outlet port (44) are respectively located at the tops of the heat medium outlet port (42) and the refrigerant inlet port (43), and meanwhile the heat medium inlet port (41), the refrigerant outlet port (44), the heat medium outlet port (42) and the refrigerant inlet port (43) are arranged in parallel.

4. A hybrid brazed plate heat exchanger according to claim 1, wherein: the heat exchange plate (6) is close to four corners and all runs through and is provided with angle holes (61), and both end faces of the heat exchange plate (6) are provided with a plurality of groups of spherical corrugations (62) distributed at equal intervals.

5. A hybrid brazed plate heat exchanger according to claim 1, wherein: the liquid collecting pipe (213) is communicated with the heat medium guide pipe (3) through a clear liquid port (216).

Images