Plate type heat exchange device

Abstract

The utility model relates to the technical field of heat exchange, in particular to a plate type heat exchange device which comprises a rear panel, mounting rods distributed in an array mode are installed on the rear panel, heat exchange plates are installed on the mounting rods, and a front panel is arranged at the tail ends of the mounting rods. The rear panel, the front panel and the heat exchange plate are all provided with communicated cold medium flow channels, the cold medium flow channels comprise upper flow channels and lower flow channels, and the rear panel, the front panel and the heat exchange plate are all provided with corresponding first flow channels, second flow channels, third flow channels and fourth flow channels. A first communicating pipe and a third communicating pipe are arranged at the rear end of the rear panel, the two ends of the first communicating pipe communicate with the first flow channel and the second flow channel correspondingly, and the two ends of the third communicating pipe communicate with the third flow channel and the fourth flow channel correspondingly. The heat exchanger has the advantages that the two groups of cold medium flow channels are arranged, heat can be fully absorbed, the four hot medium flow channels are arranged, the circulation time of hot media is long, and the cooling effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchange, in particular to a plate type heat exchange device. Background Art

[0002] Plate heat exchangers are thin rectangular channels formed between various plates, and heat is exchanged through the plates. Plate heat exchangers are ideal equipment for liquid-liquid and liquid-steam heat exchange. They have the characteristics of high heat exchange efficiency, low heat loss, compact and light structure, small footprint, wide application, and long service life. Under the same pressure loss, its heat transfer coefficient is 3-5 times higher than that of tubular heat exchangers, and the footprint is one-third of that of tubular heat exchangers, and the heat recovery rate can be as high as 90% or more.

[0003] At present, the plate heat exchange device is only equipped with one set of cold medium flow channels during use, which may cause the cold medium to fail to fully absorb the heat. In addition, the hot medium has a short fluid time in the heat exchange equipment, which may easily lead to the hot medium failing to fully exchange heat, and the cooling effect on the hot medium is relatively poor. Utility Model Content

[0004] The purpose of the utility model is to provide a plate heat exchange device, which has two sets of cold medium flow channels, which can fully absorb heat, and four hot medium flow channels, so that the hot medium can circulate for a long time and improve its cooling effect, thereby solving the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plate heat exchange device, comprising a rear panel, on which mounting rods distributed in an array are installed, on which heat exchange plates are installed, and at the ends of the mounting rods a front panel is arranged, and the rear panel, the front panel and the heat exchange plate are all provided with connected cold medium flow channels, and two groups of cold medium flow channels are arranged in a symmetrical distribution, and the cold medium flow channels include an upper flow channel and a lower flow channel, and the rear panel, the front panel and the heat exchange plate are all provided with corresponding first flow channels, second flow channels, third flow channels and fourth flow channels, and the rear end of the rear panel is provided with a first connecting pipe and a third connecting pipe, and both ends of the first connecting pipe are respectively connected to the first flow channel and the second flow channel, and both ends of the third connecting pipe are respectively connected to the third flow channel and the fourth flow channel.

[0006] Preferably, the heat exchange plate is provided with mounting plates distributed in an array, the front panel and the mounting plate are both provided with mounting holes, the mounting rods are located in the mounting holes, and nuts are threadedly installed at the ends of the mounting rods.

[0007] Preferably, a cold medium inlet pipe and a cold medium outlet pipe are installed at the front end of the front panel, the cold medium inlet pipe is communicated with the upper flow channel, and the cold medium outlet pipe is communicated with the lower flow channel.

[0008] Preferably, a second connecting pipe is provided at the front end of the front panel, and two ends of the second connecting pipe are respectively connected to the second flow channel and the third flow channel.

[0009] Preferably, a high temperature medium inlet pipe and a high temperature medium outlet pipe which are symmetrically distributed are provided at the front end of the front panel, the high temperature medium inlet pipe is connected to the first flow channel, and the high temperature medium outlet pipe is connected to the fourth flow channel.

[0010] Preferably, the rear end of the rear panel is provided with symmetrically distributed cold medium communication pipes, and both ends of the cold medium communication pipes are respectively connected with the upper flow channel and the lower flow channel.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: two groups of cold medium flow channels are set up so that the cold medium can fully exchange heat with the high-temperature medium and can fully absorb heat, and four hot medium flow channels are set up so that the high-temperature medium can circulate for a long time, so that it can fully exchange heat and improve its cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view structural schematic diagram of the utility model;

[0013] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0014] Figure 3 This is a schematic diagram of the disassembled structure of the utility model;

[0015] Figure 4 It is a partial front view structural schematic diagram of the utility model.

[0016] The reference numerals and names in the figures are as follows:

[0017] 101, rear panel; 102, front panel; 103, nut; 104, mounting rod; 105, high-temperature medium inlet pipe; 106, cold medium inlet pipe; 107, second connecting pipe; 108, cold medium outlet pipe; 109, high-temperature medium outlet pipe; 110, first connecting pipe; 111, cold medium connecting pipe; 112, third connecting pipe; 201, heat exchange plate; 202, mounting plate; 203, mounting hole; 204, cold medium flow channel; 205, upper flow channel; 206, lower flow channel; 207, third flow channel; 208, fourth flow channel; 209, first flow channel; 210, second flow channel. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example

[0020] See also Figures 1 to 4 The utility model provides an embodiment: a plate heat exchange device, comprising:

[0021] The rear panel 101 is provided with mounting rods 104 arranged in an array, the mounting rods 104 are provided with heat exchange plates 201, and the front panel 102 is provided at the end of the mounting rods 104. The rear panel 101, the front panel 102 and the heat exchange plates 201 are all provided with connected cold medium flow channels 204. The cold medium flow channels 204 are provided with two groups symmetrically distributed. The cold medium flow channels 204 include an upper flow channel 205 and a lower flow channel 206. The rear panel 101, the front panel 102 and the heat exchange plate 201 are all provided with corresponding first flow channels 209, second flow channels 210, third flow channels 207 and fourth flow channels 208. The rear end of the rear panel 101 is provided with a first connecting tube 110 and a third connecting tube 112. The two ends of the first connecting tube 110 are respectively connected to the first flow channel 209 and the second flow channel 210, and the two ends of the third connecting tube 112 are respectively connected to the third flow channel 207 and the fourth flow channel 208.

[0022] In this embodiment, the cold medium for heat exchange enters the cold medium flow channel 204 from the cold medium inlet pipe 106, passes through the upper flow channel 205 and the lower flow channel 206, and is finally discharged from the cold medium discharge pipe 108. The high-temperature medium enters the first flow channel 209 from the high-temperature medium inlet pipe 105, and the high-temperature medium can enter the second flow channel 210 through the first connecting pipe 110. The high-temperature medium can enter the third flow channel 207 through the second connecting pipe 107, and the high-temperature medium can enter the fourth flow channel 208 through the third connecting pipe 112. The high-temperature medium can be cooled by heat exchange through the four flow channels with the cooperation of the cold medium and the heat exchange plate 201, and can be discharged from the high-temperature medium discharge pipe 109 after heat exchange and cooling.

[0023] Furthermore,

[0024] The heat exchange plate 201 is provided with mounting plates 202 distributed in an array, the front panel 102 and the mounting plate 202 are both provided with mounting holes 203, the mounting rods 104 are located in the mounting holes 203, and the ends of the mounting rods 104 are threadedly mounted with nuts 103. The mounting rods 104 and the nuts 103 are provided for mounting the heat exchange plate 201 and the front panel 102.

[0025] Furthermore,

[0026] A cold medium inlet pipe 106 and a cold medium outlet pipe 108 are installed at the front end of the front panel 102. The cold medium inlet pipe 106 is connected to the upper flow channel 205, and the cold medium outlet pipe 108 is connected to the lower flow channel 206. The cold medium inlet pipe 106 is used to add cold medium into the upper flow channel 205, and the cold medium outlet pipe 108 is used to discharge the cold medium.

[0027] Furthermore,

[0028] The front end of the front panel 102 is provided with a second connecting pipe 107, and both ends of the second connecting pipe 107 are respectively connected with the second flow channel 210 and the third flow channel 207. The second connecting pipe 107 is provided to connect the second flow channel 210 and the third flow channel 207.

[0029] Furthermore,

[0030] The front end of the front panel 102 is provided with a symmetrically distributed high temperature medium inlet pipe 105 and a high temperature medium outlet pipe 109, the high temperature medium inlet pipe 105 is connected to the first flow channel 209, and the high temperature medium outlet pipe 109 is connected to the fourth flow channel 208. The high temperature medium inlet pipe 105 is used to add high temperature medium into the first flow channel 209, and the high temperature medium outlet pipe 109 is used to discharge the high temperature medium after heat exchange.

[0031] Furthermore,

[0032] The rear end of the rear panel 101 is provided with symmetrically distributed cold medium communication pipes 111, and the two ends of the cold medium communication pipes 111 are respectively connected to the upper flow channel 205 and the lower flow channel 206. The cold medium communication pipes 111 are provided to connect the upper flow channel 205 and the lower flow channel 206.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A plate heat exchange device, comprising a rear panel (101), characterized in that: The rear panel (101) is provided with mounting rods (104) distributed in an array, a heat exchange plate (201) is installed on the mounting rods (104), a front panel (102) is provided at the end of the mounting rods (104), the rear panel (101), the front panel (102) and the heat exchange plate (201) are all provided with connected cold medium flow channels (204), two groups of cold medium flow channels (204) are provided and are symmetrically distributed, the cold medium flow channels (204) include an upper flow channel (205) and a lower flow channel (206), the rear panel (101) 01), the front panel (102) and the heat exchange plate (201) are all provided with corresponding first flow channels (209), second flow channels (210), third flow channels (207) and fourth flow channels (208); the rear end of the rear panel (101) is provided with a first connecting tube (110) and a third connecting tube (112); the two ends of the first connecting tube (110) are respectively connected to the first flow channel (209) and the second flow channel (210); the two ends of the third connecting tube (112) are respectively connected to the third flow channel (207) and the fourth flow channel (208).

2. A plate heat exchange device according to claim 1, characterized in that: The heat exchange plate (201) is provided with mounting plates (202) distributed in an array, the front panel (102) and the mounting plate (202) are both provided with mounting holes (203), the mounting rod (104) is located in the mounting hole (203), and a nut (103) is threadedly installed at the end of the mounting rod (104).

3. A plate heat exchange device according to claim 1, characterized in that: A cold medium inlet pipe (106) and a cold medium outlet pipe (108) are installed at the front end of the front panel (102); the cold medium inlet pipe (106) is connected to the upper flow channel (205), and the cold medium outlet pipe (108) is connected to the lower flow channel (206).

4. A plate heat exchange device according to claim 1, characterized in that: A second connecting pipe (107) is provided at the front end of the front panel (102), and two ends of the second connecting pipe (107) are respectively connected to the second flow channel (210) and the third flow channel (207).

5. A plate heat exchange device according to claim 1, characterized in that: A high-temperature medium inlet pipe (105) and a high-temperature medium outlet pipe (109) are symmetrically arranged at the front end of the front panel (102); the high-temperature medium inlet pipe (105) is connected to the first flow channel (209), and the high-temperature medium outlet pipe (109) is connected to the fourth flow channel (208).

6. A plate heat exchange device according to claim 1, characterized in that: The rear end of the rear panel (101) is provided with symmetrically distributed cold medium communication pipes (111), and the two ends of the cold medium communication pipes (111) are respectively connected to the upper flow channel (205) and the lower flow channel (206).

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