CN219347456U - Straight channel plate heat exchanger with two side steam inlets - Google Patents
Straight channel plate heat exchanger with two side steam inlets Download PDFInfo
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- CN219347456U CN219347456U CN202320138781.5U CN202320138781U CN219347456U CN 219347456 U CN219347456 U CN 219347456U CN 202320138781 U CN202320138781 U CN 202320138781U CN 219347456 U CN219347456 U CN 219347456U
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Abstract
The utility model provides a straight channel plate heat exchanger with steam entering from two sides, which comprises a rack, a heat exchanger and a heat exchanger, wherein the rack is provided with a steam inlet pipe, a steam return pipe, a feed pipe and a discharge pipe; the fixed plates are arranged in parallel and are arranged on the rack at intervals, and each fixed plate is combined to form a heat medium heat exchange cavity and a refrigerant heat exchange cavity which are alternately arranged in sequence. The straight channel plate heat exchanger with steam entering from two sides is provided with a rack and a fixed plate; the heat medium heat exchange cavity and the refrigerant heat exchange cavity formed by the fixed plates can ensure the heat exchange area and make the heat exchange more uniform; the heat medium heat exchange cavity is communicated with the steam inlet pipe through the first air inlets, and the second air inlets are communicated with the steam inlet pipe, so that the steam inlet amount can be increased, the heat exchange efficiency is guaranteed, and the practicability is good.
Description
Technical Field
The utility model belongs to the technical field of evaporators, and particularly relates to a straight-channel plate type heat exchanger with steam entering from two sides.
Background
The plate type evaporator is a special plate type heat exchanger for the evaporation working condition of materials with phase change, has a plurality of applications in evaporators of various industries, particularly in evaporator systems of industries such as traditional Chinese medicine, gelatin, sugar, seasonings, food and the like with higher viscosity of final materials, has the advantages of low requirements on plant height, cleaning effect, flexible adaptation to products and the like, and has wide application.
In the prior art, the heat exchange part of the conventional plate evaporator is formed by overlapping a heat exchange plate and a material plate in a staggered mode, steam mainly enters from a single inlet, flows to the whole plate after entering the heat exchange plate, exchanges heat on materials in the material plate, but the single steam inlet has the defects of insufficient steam entering amount, low heat exchange efficiency, long heat exchange time and poor practicability.
Disclosure of Invention
The embodiment of the utility model provides a straight-channel plate type heat exchanger with steam entering from two sides, which aims to solve the problems that the steam entering amount is insufficient, the temperature at a steam inlet is higher, and the material side is easy to coke at the steam inlet.
In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a straight-channel plate heat exchanger of two-side steam inlet, comprising:
the rack is provided with a steam inlet pipe, a steam return pipe, a feed pipe and a discharge pipe;
the fixed plates are arranged in parallel and are arranged on the rack at intervals, and the fixed plates are combined to form a heat medium heat exchange cavity and a refrigerant heat exchange cavity which are alternately arranged in sequence; any two adjacent heat medium heat exchange cavities are communicated through a plurality of first gas outlets, the heat medium heat exchange cavity at the end part is communicated with the steam inlet pipe through a plurality of second gas outlets, and the bottom of each heat medium heat exchange cavity is provided with an outlet communicated with the steam return pipe; any two adjacent refrigerant heat exchange cavities are communicated through two first material inlets, and the refrigerant heat exchange cavity at the end part is respectively communicated with the feeding pipe and the discharging pipe through two second material inlets.
In a possible implementation manner, four first air outlets are formed in the fixed plate corresponding to each heat medium heat exchange cavity, wherein two first air outlets are positioned at one end of the fixed plate along the horizontal direction and are arranged at intervals along the vertical direction; the other two first air outlets are positioned at the other end of the fixed plate along the horizontal direction and are arranged at intervals along the vertical direction.
In one possible implementation manner, the second air passing ports are provided with four air passing ports, wherein two second air passing ports are located at one end corresponding to the fixed plate along the horizontal direction, are arranged at intervals along the vertical direction, are communicated with the first air passing ports, and are used for introducing the steam in the steam inlet pipe into the heat medium heat exchange cavity.
In one possible implementation, the steam inlet pipe comprises a main steam pipe, a transverse pipe and a shunt pipe; the transverse pipe is arranged at one end of the main steam pipe and is communicated with the main steam pipe, and the transverse pipe is provided with two end parts; the two split pipes are arranged, the two split pipes are arranged on the transverse pipe and are respectively communicated with two end parts of the transverse pipe, each split pipe is provided with two steam outlets, and each steam outlet is communicated with each second air outlet.
In one possible implementation manner, two first feed openings are arranged on the fixed plate corresponding to each refrigerant heat exchange cavity, one of the first feed openings is positioned at the lower end of each fixed plate, and the other first feed opening is positioned at the upper end of each fixed plate; the heights of the two second feeding openings are in one-to-one correspondence with the heights of the two first feeding openings.
In one possible implementation manner, the two-side steam inlet straight-channel plate heat exchanger further comprises a plurality of steam disturbance structures, and each steam disturbance structure is arranged in one-to-one correspondence with each heat medium heat exchange cavity; each steam disturbance structure comprises a plurality of vertical strips, each vertical strip is arranged at intervals along the horizontal direction and is integrally connected with a corresponding fixed plate, and an air passage is formed between any two adjacent vertical strips; each vertical strip is provided with a plurality of annular grooves, the annular grooves are arranged at intervals along the vertical direction, and each annular groove is respectively communicated with two adjacent air passage channels.
In the implementation mode, the straight channel plate heat exchanger with steam entering from two sides has the beneficial effects that: compared with the prior art, the machine frame and the fixed plate are arranged; the heat medium heat exchange cavity and the refrigerant heat exchange cavity formed by the fixed plates can ensure the heat exchange area and make the heat exchange more uniform; the heat medium heat exchange cavity is communicated with the steam inlet pipe through the first air inlets, and the second air inlets are communicated with the steam inlet pipe, so that the steam inlet amount can be increased, the heat exchange efficiency is guaranteed, and the practicability is good.
Drawings
Fig. 1 is a schematic structural view of a straight-channel plate heat exchanger with steam entering from both sides provided in an embodiment of the present utility model;
fig. 2 is an exploded schematic view of a two-side steam-inlet straight-through plate heat exchanger according to an embodiment of the present utility model;
FIG. 3 is a schematic front view of a steam inlet pipe according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram illustrating a steam flow direction of a steam turbulence structure according to an embodiment of the present utility model;
reference numerals illustrate:
100. a frame; 110. a steam inlet pipe; 111. a main steam pipe; 112. a transverse tube; 113. a shunt; 120. a steam return pipe; 130. a feed pipe; 140. a discharge pipe; 200. fixing the plate; 210. a heat medium heat exchange cavity; 211. a first air outlet; 212. an outlet; 220. a refrigerant heat exchange cavity; 221. a first feed port; 300. a steam perturbation structure; 310. a vertical bar; 320. an annular groove.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 4, a straight-through plate heat exchanger with steam inlet at both sides provided by the present utility model will now be described. A straight-channel plate heat exchanger with steam on both sides comprises a rack 100 with a steam inlet pipe 110, a steam return pipe 120, a feed pipe 130 and a discharge pipe 140. The fixed plates 200 are provided with a plurality of fixed plates 200, each fixed plate 200 is parallel and arranged on the frame 100 at intervals, and each fixed plate 200 is combined to form a heating medium heat exchange cavity 210 and a cooling medium heat exchange cavity 220 which are arranged alternately in sequence. Any two adjacent heat medium heat exchange cavities 210 are communicated through a plurality of first air outlets 211, the heat medium heat exchange cavity 210 at the end is communicated with the steam inlet pipe 110 through a plurality of second air outlets, and an outlet 212 communicated with the steam return pipe 120 is arranged at the bottom of each heat medium heat exchange cavity 210. Any two adjacent refrigerant heat exchange cavities 220 are communicated through two first material inlets 221, and the refrigerant heat exchange cavity 220 at the end part is respectively communicated with the feed pipe 130 and the discharge pipe 140 through two second material inlets.
Compared with the prior art, the straight-channel plate heat exchanger with steam entering from two sides provided by the embodiment is provided with the rack 100 and the fixed plate 200. The heat medium heat exchange cavity 210 and the refrigerant heat exchange cavity 220 formed by the plurality of fixed plates 200 can ensure the heat exchange area and make the heat exchange more uniform. The heat medium heat exchange cavity 210 is communicated with the steam inlet pipe 110 through the first air inlets 211, and the second air inlets are communicated with the steam inlet pipe 110, so that the steam inlet amount can be increased, the heat exchange efficiency is ensured, and the practicability is good.
In the explanation of this embodiment, the explanation of the straight-channel plate heat exchanger with steam entering from both sides is described, and the refrigerant heat exchange cavity 220 at the end refers to the first refrigerant heat exchange cavity 220 connected to the frame 100. Only steam and materials are introduced between the adjacent heat medium heat exchange cavity 210 and the adjacent refrigerant heat exchange cavity 220, and steam and materials are not introduced between the refrigerant heat exchange cavity 220 at the end part and the frame 100. The two first material feeding ports 221 of the heat medium heat exchange cavity 210 are in sealing ring sealing state, so that materials are prevented from entering. The plurality of first air outlets 211 and the plurality of outlets 212 of the refrigerant heat exchange cavity 220 are in a sealing ring sealing state, so that steam is prevented from entering. When the adjacent heat medium heat exchange cavity 210 and the adjacent refrigerant heat exchange cavity 220 are alternately arranged in sequence, a steam cavity and a material cavity are formed. The first gas outlet 211 is a gas outlet arranged on the heat medium heat exchange cavity 210 and the refrigerant heat exchange cavity 220, and the second gas outlet is a connection structure of the refrigerant heat exchange cavity 220 at the end and the steam inlet pipe 110, which can be understood as a pipeline with one end communicating the refrigerant heat exchange cavity 220 at the end and the steam inlet pipe 110.
In some embodiments, the heat exchange chamber 210 may have a structure as shown in fig. 2. Referring to fig. 2, four first gas outlets 211 are provided on the corresponding fixed plate 200 of each heat exchange chamber 210, wherein two first gas outlets 211 are located at one end of the fixed plate 200 along the horizontal direction and are spaced apart along the vertical direction. The other two first air vents 211 are located at the other end of the fixed plate 200 along the horizontal direction and are spaced apart along the vertical direction. The four first air outlets 211 on the heat medium heat exchange cavity 210 are in one-to-one correspondence with the second air outlets and are communicated with the steam inlet pipe 110, so that the structure is tightly connected, and the practicability is good.
In some embodiments, the second air outlet may have a structure as shown in fig. 2. Referring to fig. 2, the second air passing openings are provided with four, wherein two second air passing openings are positioned at one end of the corresponding fixed plate 200 along the horizontal direction, are arranged at intervals along the vertical direction, are communicated with the first air passing openings 211, and are used for introducing steam in the steam inlet pipe 110 into the heat medium heat exchange cavity 210. The second air ports are in one-to-one correspondence with the four first air ports 211 on the heat medium heat exchange cavity 210, are communicated into an air passage, and are used for introducing the steam in the steam inlet pipe 110 into the heat medium heat exchange cavity 210, so that the practicability is good.
In some embodiments, the steam inlet pipe 110 may have a structure as shown in fig. 3. Referring to fig. 3, the steam inlet pipe 110 includes a main steam pipe 111, a cross pipe 112, and a shunt pipe 113. The lateral pipe 112 is provided at one end of the main steam pipe 111, and communicates with the main steam pipe 111, and the lateral pipe 112 has two ends. The two shunt tubes 113 are arranged, the two shunt tubes 113 are arranged on the transverse tube 112 and are respectively communicated with two end parts of the transverse tube 112, each shunt tube 113 is provided with two steam outlets 212, and each steam outlet 212 is communicated with each second air outlet.
In some embodiments, the refrigerant heat exchange cavity 220 may have a structure as shown in fig. 2. Referring to fig. 2, two first feeding ports 221 are disposed on the fixed plate 200 corresponding to each refrigerant heat exchange cavity 220, wherein one first feeding port 221 is located at the lower end of each fixed plate 200, and the other first feeding port 221 is located at the upper end of each fixed plate 200. The heights of the two second feeding openings are in one-to-one correspondence with the heights of the two first feeding openings 221. Two first feed openings 221 correspond to the feeding pipe 130 and the discharging pipe 140 respectively, the first feed opening 221 at the lower end corresponds to the feeding pipe 130, the first feed opening 221 at the upper end corresponds to the discharging pipe 140, the first feed openings 221 between the adjacent refrigerant heat exchange cavities 220 are communicated, heat exchange can be carried out on multiple plates at the same time, and the practicability is good.
In some embodiments, the two-side steam-inlet straight-channel plate heat exchanger may adopt a structure as shown in fig. 4. Referring to fig. 4, the straight-channel plate heat exchanger with steam entering from both sides further includes a plurality of steam turbulence structures 300, and each steam turbulence structure 300 is disposed in one-to-one correspondence with each heat medium heat exchange cavity 210. Each steam perturbation structure 300 comprises a plurality of vertical bars 310, each vertical bar 310 is arranged at intervals along the horizontal direction and is integrally connected with the corresponding fixed plate 200, and an air passage is formed between any two adjacent vertical bars 310. Each vertical bar 310 is provided with a plurality of annular grooves 320, each annular groove 320 is arranged at intervals along the vertical direction, and each annular groove 320 is respectively communicated with two adjacent air passing channels. The steam perturbation structure 300 is used for perturbing the stable air flow, so that the stable air flow flows in each annular groove 320, the effect of slowing down the air flow speed is achieved, the heat exchange efficiency is ensured, and the practicability is good.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. Two-side steam-entering straight-channel plate heat exchanger, which is characterized by comprising:
the rack is provided with a steam inlet pipe, a steam return pipe, a feed pipe and a discharge pipe;
the fixed plates are arranged in parallel and are arranged on the rack at intervals, and the fixed plates are combined to form a heat medium heat exchange cavity and a refrigerant heat exchange cavity which are alternately arranged in sequence; any two adjacent heat medium heat exchange cavities are communicated through a plurality of first gas outlets, the heat medium heat exchange cavity at the end part is communicated with the steam inlet pipe through a plurality of second gas outlets, and the bottom of each heat medium heat exchange cavity is provided with an outlet communicated with the steam return pipe; any two adjacent refrigerant heat exchange cavities are communicated through two first material inlets, and the refrigerant heat exchange cavity at the end part is respectively communicated with the feeding pipe and the discharging pipe through two second material inlets.
2. The straight-through plate heat exchanger with steam entering from two sides as claimed in claim 1, wherein four first air outlets are arranged on the fixed plate corresponding to each heat medium heat exchange cavity, wherein two first air outlets are positioned at one end of the fixed plate along the horizontal direction and are arranged at intervals along the vertical direction; the other two first air outlets are positioned at the other end of the fixed plate along the horizontal direction and are arranged at intervals along the vertical direction.
3. The two-side steam-inlet straight-channel plate heat exchanger according to claim 2, wherein four second air-passing openings are provided, two of the second air-passing openings are located at one end corresponding to the fixed plate in the horizontal direction, are arranged at intervals in the vertical direction, are communicated with the first air-passing openings, and are used for introducing the steam in the steam inlet pipe into the heat medium heat exchange cavity.
4. A two-sided, steam-inlet, straight-pass plate heat exchanger as claimed in claim 3, wherein the steam inlet tubes comprise main steam tubes, cross tubes and shunt tubes; the transverse pipe is arranged at one end of the main steam pipe and is communicated with the main steam pipe, and the transverse pipe is provided with two end parts; the two split pipes are arranged, the two split pipes are arranged on the transverse pipe and are respectively communicated with two end parts of the transverse pipe, each split pipe is provided with two steam outlets, and each steam outlet is communicated with each second air outlet.
5. The straight-channel plate heat exchanger of steam inlet on both sides as claimed in claim 1, wherein two first feed openings are arranged on the corresponding fixed plates of each refrigerant heat exchange cavity, one of the first feed openings is positioned at the lower end of each fixed plate, and the other first feed opening is positioned at the upper end of each fixed plate; the heights of the two second feeding openings are in one-to-one correspondence with the heights of the two first feeding openings.
6. The double-side steam-inlet straight-channel plate heat exchanger according to claim 1, wherein the double-side steam-inlet straight-channel plate heat exchanger further comprises a plurality of steam disturbance structures, and each steam disturbance structure is arranged in one-to-one correspondence with each heat medium heat exchange cavity; each steam disturbance structure comprises a plurality of vertical strips, each vertical strip is arranged at intervals along the horizontal direction and is integrally connected with a corresponding fixed plate, and an air passage is formed between any two adjacent vertical strips; each vertical strip is provided with a plurality of annular grooves, the annular grooves are arranged at intervals along the vertical direction, and each annular groove is respectively communicated with two adjacent air passage channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320138781.5U CN219347456U (en) | 2023-01-31 | 2023-01-31 | Straight channel plate heat exchanger with two side steam inlets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320138781.5U CN219347456U (en) | 2023-01-31 | 2023-01-31 | Straight channel plate heat exchanger with two side steam inlets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219347456U true CN219347456U (en) | 2023-07-14 |
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ID=87111122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320138781.5U Active CN219347456U (en) | 2023-01-31 | 2023-01-31 | Straight channel plate heat exchanger with two side steam inlets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219347456U (en) |
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2023
- 2023-01-31 CN CN202320138781.5U patent/CN219347456U/en active Active
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