CN212931108U - Heat exchange plate of wide-flow-channel plate heat exchanger - Google Patents

Heat exchange plate of wide-flow-channel plate heat exchanger Download PDF

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Publication number
CN212931108U
CN212931108U CN202021483463.5U CN202021483463U CN212931108U CN 212931108 U CN212931108 U CN 212931108U CN 202021483463 U CN202021483463 U CN 202021483463U CN 212931108 U CN212931108 U CN 212931108U
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Prior art keywords
plate
heat exchange
heat exchanger
wide
hemispherical
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CN202021483463.5U
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Chinese (zh)
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陶晓钢
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Shanghai Erhuajie Electromechanical Equipment Manufacturing Co ltd
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Shanghai Erhuajie Electromechanical Equipment Manufacturing Co ltd
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Abstract

The utility model discloses a heat exchange plate of a wide-flow-channel plate heat exchanger, which comprises a plurality of heat exchange plates arranged between a fixed pressure plate and a movable pressure plate in the plate heat exchanger, wherein the heat exchange plates are in a rectangular shape with a high length-width ratio; the four right-angle positions of the rectangular heat exchange plate are provided with angle holes, and the heat exchange plate is also provided with hanging holes; the main heat exchange area of the heat exchange plate is provided with hemispherical corrugations, and the depth of the hemispherical corrugations reaches 8 mm; the periphery of the corner hole is also provided with special corrugations, and adjacent hemispherical corrugated plate sheets form a wide and smooth flow channel. The utility model discloses heat transfer runner is more unobstructed under the medium state that contains granule or fibre class, and is difficult to block up and the scale deposit. Therefore, the cleaning and maintenance cost of the heat exchanger is greatly reduced, the operation cost of the whole system is more economic, and meanwhile, the installation and maintenance are convenient.

Description

Heat exchange plate of wide-flow-channel plate heat exchanger
Technical Field
The utility model relates to a plate heat exchanger in fields such as chemical industry, weaving, more specifically say, relate to a plate heat exchanger's of wide runner heat transfer slab.
Background
The plate heat exchanger is a high-efficiency heat exchanger formed by laminating plates which are formed by pressing metal sheets into various corrugated shapes through an oil press. The corrugations of the sheet form various flow channels in which media flows and exchanges heat through the thermal conductivity of the metal sheet. Compared with a shell-and-tube heat exchanger, the heat transfer coefficient of the plate heat exchanger is much higher under the condition of the same flow resistance and pump power consumption, the occupied area is small, the maintenance is convenient, and the heat exchanger is widely applied to many fields.
The plate heat exchanger as a cold and heat exchange device has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, convenience in installation and cleaning, wide application, long service life and the like. Under the condition of the same pressure loss, the heat transfer coefficient of the heat exchanger is 3-5 times higher than that of a tubular heat exchanger, the occupied area of the heat exchanger is one third of that of the tubular heat exchanger, and the heat recovery rate can reach more than 90 percent. The plate heat exchanger is widely applied to industries such as metallurgy, petroleum, chemical engineering, food, pharmacy, ships, textile, papermaking and the like, and is excellent equipment for heating, cooling, heat recovery, rapid sterilization and the like.
Most media in the fields of chemical engineering, textile and the like contain particles or fibers, the traditional corrugated flow channel is easy to block, so that the heat exchange efficiency is low, and the maintenance frequency is high. After the heat exchange plate with the wide flow channel is adopted, the heat exchange effect can be achieved, the problem of flow channel blockage can be reduced, the heat exchange area is more reasonable, and the maintenance cost is reduced.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect that exists among the prior art, the utility model aims at providing a plate heat exchanger's of wide runner heat transfer slab, the ripple form adopts the hemisphere ripple, and 8mm are deeply spent in the ripple groove, can prevent the condition that granule or fibre blockked up in the runner effectively.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a heat exchange plate of a wide-flow-channel plate heat exchanger comprises a plurality of heat exchange plates arranged between a fixed compression plate and a movable compression plate in the plate heat exchanger, wherein the heat exchange plates are in a rectangular shape with a high length-width ratio; the four right-angle positions of the rectangular heat exchange plate are provided with angle holes, and the heat exchange plate is also provided with hanging holes; the main heat exchange area of the heat exchange plate is provided with hemispherical corrugations, and the depth of the hemispherical corrugations is 8 mm; the plate flow channel depends on the hemisphere as the supporting contact in the assembling process to form the plate heat exchanger with wide flow channel. Compare with the heat exchanger of traditional herringbone ripple, the utility model discloses a plate heat exchanger of wide runner all has obvious improvement in stopping up or the scale deposit.
Preferably, the diameter of the hemispherical corrugation is 16mm, and the depth of the hemispherical corrugation is 8 mm.
Preferably, the periphery of the corner hole of the heat exchange plate is provided with gear-shaped corrugations.
Preferably, the heat exchange plate is mainly made of stainless steel.
Preferably, the heat exchange plate is clamped between the fixed pressing plate and the movable pressing plate through bolts.
Preferably, the flow channels of the heat exchange plates are wide, and the heat exchange plates are not easy to block under the working condition of particles or multi-fiber.
Preferably, the heat exchanger plate is rectangular in shape and has an aspect ratio of 2.8.
The utility model provides a plate heat exchanger's of wide runner heat transfer slab structure, flow channel is unobstructed, has avoided the runner that granule or fibre class medium caused to block up. Compared with the traditional plate assembly, the heat exchange plate adopting the wide flow channel can achieve the heat exchange effect and prevent the flow channel from being blocked, so that the whole equipment is more compact. The angle holes adopt a special structure of gear-shaped ripples, so that two fluid media can not be leaked.
Drawings
Fig. 1 is a schematic structural view of a heat exchange plate of a wide-flow-passage plate heat exchanger according to the present invention;
FIG. 2 is a schematic view of a hemispherical corrugation adopted by a heat exchange plate of the wide-flow-channel plate heat exchanger of the present invention, wherein the diameter of the corrugation is 16mm, and the depth of the corrugation reaches 8 mm;
FIG. 3 is a view of the contact points between adjacent hemispherical corrugated sheets;
FIG. 4 is a view showing the corner holes of the heat exchange plates of the wide flow channel plate heat exchanger of the present invention, wherein (a) is formed by the peripheral corrugation of the corner holes, and (b) is the gear-shaped corrugation of the section A-A in the view (a);
in the drawings, 1 is a hemispherical corrugation, and 2 is an angular hole.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
For the fields of chemical engineering and textile, most media contain particles or fibers, so that the flow channel in the heat exchange equipment is expected to be wide enough to avoid the blockage of the media in the flow channel. Most of traditional plate heat exchangers adopt herringbone ripples and form grid-crossing runners, and the ripple depth is shallow, so that the condition that media are blocked in the runners is generated, the heat exchange efficiency is low, and the cleaning, the maintenance and the like are frequently required to be disassembled.
The utility model discloses plate heat exchanger to the wide runner in fields such as chemical industry, weaving. Adopt the utility model discloses a behind the plate heat exchanger slab of wide runner, the condition of runner jam of same operating mode before can obviously reducing. Adopt the utility model discloses a heat transfer slab runner of wide runner is more unobstructed. Meanwhile, the main heat exchange area is designed to be hemispherical corrugated, and the depth of the hemispherical corrugation reaches 8mm, so that the rigidity and the flow channel width between the plates are ensured.
The wide flow channel plate heat exchanger is mainly assembled by plates formed by hemispherical corrugations. The plate is clamped between the fixed pressing plate and the movable pressing plate by bolts, a plurality of flow channels are formed in the heat exchanger, and the plate is sealed by rubber. The heat exchange plates are made of high-quality corrosion-resistant metal sheets through pressing, corner holes for the medium to enter and exit are punched at four corners, and hanging holes are formed at the upper and lower parts. The contact point formed by the hemispherical highest point can increase disturbance on fluid and form a wide flow channel, so that granular or fiber media can smoothly pass through the flow channel, and the occurrence of blockage is reduced. The angle holes adopt a special structure of gear-shaped ripples, so that two fluid media can not be leaked.
As shown in fig. 1-3, the present invention provides a heat exchange plate of a wide-flow-channel plate heat exchanger, the plate heat exchanger includes a plurality of heat exchange plates, which are disposed between a fixed pressure plate and a movable pressure plate in the plate heat exchanger, the heat exchange plates are in a rectangular shape with a high aspect ratio, and the aspect ratio is 2.8; the four right-angle positions of the rectangular heat exchange plate are provided with angle holes, and the heat exchange plate is also provided with hanging holes; the main heat exchange area of the heat exchange plate is provided with hemispherical corrugations, the diameter of each hemisphere is 16mm, and the depth of each corrugation is 8 mm.
As shown in fig. 4, the periphery of the angular hole of the heat exchange plate is also provided with special corrugations in the shape of gears, so that the two fluid media cannot leak.
The utility model provides a wide runner's plate heat exchanger's heat transfer slab passes through the contact that the hemisphere peak formed between slab and the slab, sees figure 3, forms wide and smooth runner for graininess or fibre class medium jam condition obviously obtains improving, more is applicable to fields such as chemical industry and weaving.
Preferably, the heat exchange plate is mainly made of stainless steel.
Preferably, the heat exchange plate is clamped between the fixed pressing plate and the movable pressing plate through bolts.
Under the medium condition who contains granule or fibre class, compare with traditional slab, the utility model discloses a contact that the hemisphere peak formed between slab and the slab to form wide and smooth runner, make the condition of jam obviously improved, maintenance frequency greatly reduced also simultaneously.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims (6)

1. A heat exchange plate of a wide-flow-passage plate heat exchanger comprises a plurality of heat exchange plates arranged between a fixed pressing plate and a movable pressing plate in the plate heat exchanger,
the heat exchanger plates are in the shape of a rectangle with a high aspect ratio,
the four right-angle positions of the rectangular heat exchange plate are provided with angle holes, and the heat exchange plate is also provided with hanging holes;
it is characterized in that the preparation method is characterized in that,
the heat exchange plate is formed by assembling hemispherical corrugated plates;
the main heat exchange area of the heat exchange plate is provided with hemispherical corrugations;
the flow channel of the heat exchange plate depends on the highest point of the hemisphere between the corrugated plates as a supporting contact to form a wide flow channel.
2. The wide flow channel plate heat exchanger plate according to claim 1, wherein said hemispherical corrugations have a diameter of 16mm and a depth of up to 8 mm.
3. The wide flow channel plate heat exchanger plate according to claim 1 wherein the periphery of the corner holes of the heat exchanger plate are provided with cogwheel corrugations.
4. The wide flow channel plate heat exchanger plate according to claim 1, wherein the heat exchanger plate is stainless steel.
5. The wide flow channel plate heat exchanger plate according to claim 1 wherein the heat exchanger plate is clamped between the stationary pressure plate and the movable pressure plate by bolts.
6. A wide flow channel plate heat exchanger plate according to claim 1, characterized in that said hemispherical corrugated plates are capable of forming wide flow channels.
CN202021483463.5U 2020-07-24 2020-07-24 Heat exchange plate of wide-flow-channel plate heat exchanger Active CN212931108U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021483463.5U CN212931108U (en) 2020-07-24 2020-07-24 Heat exchange plate of wide-flow-channel plate heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021483463.5U CN212931108U (en) 2020-07-24 2020-07-24 Heat exchange plate of wide-flow-channel plate heat exchanger

Publications (1)

Publication Number Publication Date
CN212931108U true CN212931108U (en) 2021-04-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021483463.5U Active CN212931108U (en) 2020-07-24 2020-07-24 Heat exchange plate of wide-flow-channel plate heat exchanger

Country Status (1)

Country Link
CN (1) CN212931108U (en)

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