CN210292953U - Spiral plate type heat exchanger - Google Patents
Spiral plate type heat exchanger Download PDFInfo
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- CN210292953U CN210292953U CN201921165495.8U CN201921165495U CN210292953U CN 210292953 U CN210292953 U CN 210292953U CN 201921165495 U CN201921165495 U CN 201921165495U CN 210292953 U CN210292953 U CN 210292953U
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Abstract
The utility model belongs to the technical field of the heat exchanger, concretely relates to spiral plate heat exchanger. The spiral plate type heat exchanger solves the problem that welding cracks are formed between a first metal plate and a cover plate and between a second metal plate and the cover plate in the existing spiral plate type heat exchanger. This spiral plate heat exchanger, including the inside body that has hot runner and cold runner, the body includes heliciform heat transfer board one and heat transfer board two that the interval was arranged, its characterized in that, the top and the bottom of body are equipped with bar panel respectively, bar panel welds between heat transfer board one and heat transfer board two along the spiral direction of heat transfer board one, and heat transfer board one, heat transfer board two and bar panel enclose to close and form above-mentioned hot runner and cold runner, bar panel is the form of buckling along its width direction. The utility model discloses an avoid the welded connection fracture between heat transfer board one and heat transfer board two and the bar panel.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger, concretely relates to spiral plate heat exchanger.
Background
The heat exchanger is an energy-saving device for realizing heat transfer between materials between two or more fluids with different temperatures, and is used for transferring the fluid with higher temperature of heat to the fluid with lower temperature, so that the temperature of the fluid reaches the index specified by the process to meet the requirements of process conditions, and is also one of main devices for improving the energy utilization rate.
In the existing spiral plate type heat exchanger, two ends of the spiral heat exchange plates arranged at intervals are welded with the spiral plate type heat exchanger through cover plates with the size larger than or equal to the cross-sectional area of the spiral plate type heat exchanger, so that a cavity for fluid to flow is formed in the spiral plate type heat exchanger, for example, a spiral plate type heat exchanger provided by chinese patent (with the publication number of CN 208720881U), wherein a top end plate and a bottom end plate are respectively arranged at the top end and the bottom end of a first metal plate and a second metal plate of the patent, the top end plate and the bottom end plate are both a whole plate, the area of the top end plate and the bottom end plate is larger than or equal to the size of the cross section formed by the rotation of the first metal plate and the second metal plate, and. Because the spiral plate heat exchanger can have two kinds of fluid of temperature simultaneously in the process of operation, the temperature of the different positions between first metal sheet and the second metal sheet is different, and its coefficient of expansion is also different, can lead to the interval between first metal sheet and the second metal sheet to change, makes it and the risk of ftractureing to exist between the apron. And because the temperature of spiral plate heat exchanger when operation is high, can reduce when its temperature that stops the operation, can produce expend with heat and contract with cold's phenomenon, make the welded connection between apron and first metal sheet and the second metal sheet appear the crack and lead to leaking. Therefore, how to avoid the welding cracks between the first metal plate and the second metal plate and between the cover plate in the spiral plate type heat exchanger is a technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a spiral plate heat exchanger, the utility model aims to solve the technical problem that: how to avoid spiral plate heat exchanger because expend with heat and contract with cold leads to the fracture.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a spiral plate heat exchanger, includes that inside has the body of hot runner and cold runner, the body includes heliciform heat transfer board one and heat transfer board two that the interval was arranged, its characterized in that, the top and the bottom of body are equipped with bar panel respectively, bar panel welds between heat transfer board one and heat transfer board two along the spiral direction of heat transfer board one, and heat transfer board one, heat transfer board two and bar panel enclose to close and form above-mentioned hot runner and cold runner, bar panel is the form of buckling along its width direction.
When the spiral plate type heat exchanger operates, the inside of the spiral plate type heat exchanger is simultaneously provided with two fluids of cold and hot to generate expansion and contraction, so that the distance between the first heat exchange plate and the second heat exchange plate is changed. The strip-shaped plate located between the first heat exchange plate and the second heat exchange plate is bent, so that the strip-shaped plate is elastically deformed. When the distance between the first heat exchange plate and the second heat exchange plate is changed, the strip-shaped plate can be extruded or stretched, so that the strip-shaped plate is elastically deformed, the situation that the welding connection between the strip-shaped plate and the first heat exchange plate is cracked and damaged and the situation that the welding connection between the strip-shaped plate and the second heat exchange plate is cracked and damaged is avoided.
In the spiral plate type heat exchanger, the strip-shaped plate positioned at the top is bent in the width direction to form a groove with an upward opening, and the strip-shaped plate positioned at the bottom of the body is bent in the width direction to form a groove with a downward opening. The interval can be acted on bar panel because the produced change of expend with heat and contract with cold of the heat between heat transfer board one and the heat transfer board two, and bar panel can be stretched or the extrusion changes its groove opening size by heat transfer board one and heat transfer board two, and the groove opening that bar panel is located the body top up, and the groove opening that bar panel is located the body bottom makes things convenient for the welding between bar panel and heat transfer board one and the heat transfer board two down.
In the spiral plate type heat exchanger, the strip-shaped plate is provided with an upper surface and a lower surface, two side surfaces are arranged between the upper surface and the lower surface, one side edge of the strip-shaped plate is attached to the side wall of the first heat exchange plate, the other side edge of the strip-shaped plate is attached to the side wall of the second heat exchange plate, and two side surfaces of the strip-shaped plate are respectively attached to the side walls of the first heat exchange plate and the second heat exchange plate to form a notch for accommodating welding materials. The both sides face of bar panel respectively with the heat transfer board one with the heat transfer board between the second notch that forms can hold welding material, make between bar panel and the heat transfer board one be the welding between face and the face, make between bar panel and the heat transfer board two be the welding between face and the face, improve welded firmness, avoid the fracture.
In the above spiral plate heat exchanger, the cross section of the strip-shaped plate is in a V shape or an arc shape. V font or circular-arc bar panel can have by extrusion deformation's surplus, avoids the fracture between bar panel and the body.
In the spiral plate type heat exchanger, a plurality of first distance columns and second distance columns are further arranged between the first heat exchange plate and the second heat exchange plate, the first distance columns are located at the top end edge of the first heat exchange plate and located below the strip-shaped plate at the top of the body, and the second distance columns are located at the bottom end edge of the first heat exchange plate and located above the strip-shaped plate at the bottom of the body. The first distance column and the second distance column can enable the distance between each spaced first heat exchange plate and each spaced second heat exchange plate to be the same. And distance post two are located the border of heat transfer board one with the distance post, guarantee that the interval that is used for placing bar panel is all the same, make the welding seam size keep unanimous, improve the welded reliability, avoid the fracture.
In the spiral plate type heat exchanger, the top and the bottom of the body are both provided with two continuous strip-shaped plates, wherein two strip-shaped plates positioned in the same gap form a hot runner with the body, and the other two strip-shaped plates positioned in the same gap form a cold runner with the body. The consistency of the continuous strip-shaped plates is better, and cracking caused by unreliable welding among the strip-shaped plates, the first heat exchange plate and the second heat exchange plate is avoided.
In the above spiral plate heat exchanger, the strip-shaped plate is spirally arranged. The shape of the hot runner and the cold runner is attached to the spiral of the strip-shaped plate, so that welding is facilitated.
In the spiral plate type heat exchanger, the top end of a strip-shaped plate positioned at the top of the body is positioned below the upper edge of one heat exchange plate; the bottom end of the strip-shaped plate positioned at the bottom of the body is positioned above the lower edge of the heat exchange plate. The bar panel is arranged in this body completely, avoids welding back bar panel and outside other object to bump, leads to the welding between bar panel and the body to produce the crack.
Compared with the prior art, the spiral plate type heat exchanger has the following advantages:
1. when the spiral plate type heat exchanger is in operation and after the spiral plate type heat exchanger is closed, due to the fact that the distance between the first heat exchange plate and the second heat exchange plate, which is caused by expansion with heat and contraction with cold, changes, the elastic deformation of the strip-shaped plate avoids the welding between the strip-shaped plate and the body from generating cracks.
2. The arrangement of the strip-shaped plates enables the welding between other bodies to be more convenient.
3. The strip-shaped plate is completely arranged in the body, so that the strip-shaped plate is prevented from colliding with other external objects after welding.
4. The distance columns are arranged at the edges of the first heat exchange plates, so that the same distance for placing the strip-shaped plates can be guaranteed, the sizes of welding seams are kept consistent, and the welding reliability is improved.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of the present invention.
Fig. 2 is a partially enlarged view a of fig. 1.
Fig. 3 is a partially enlarged view B of fig. 1.
Fig. 4 is a top view of the body.
Fig. 5 is a partial enlarged view C of fig. 4.
Fig. 6 is a top view of a strip-shaped sheet material.
Fig. 7 is an expanded view of the first heat exchange plate.
In the figure, 1, a body; 2. a first heat exchange plate; 3. a second heat exchange plate; 4. a cold runner; 5. A hot runner; 6. strip-shaped plates; 7. a notch; 8. a first distance column; 9. a second distance column; 10. And (4) a groove.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 7, the embodiment of the utility model provides a include body 1, body 1 includes heat transfer board 2 and two 3 of heat transfer board, the overlap is placed about heat transfer board 2 and heat transfer board two 3, be equipped with a plurality of distance post 8 between heat transfer board 2 and heat transfer board two 3, distance post two 9 and conventional distance post, conventional distance post is located the random position of heat transfer board one and puts the cloth at will, distance post 8 sets up the last border at heat transfer board 2, distance post two 9 sets up the lower border at heat transfer board one, distance post 8 and distance post two 9 set up the interval of guaranteeing between heat transfer board 2 and the heat transfer board two 3 and keep unanimous. The upper and lower overlapped heat exchange plates I2 and II 3 are bent to enable the heat exchange plates I2 and II 3 to be spiral, the heat exchange plates I2 and II 3 which are arranged at intervals are formed on the cross section of the body 1, and hot runners 5 and cold runners 4 are formed between the heat exchange plates I2 and II 3 which are arranged at intervals. During the actual production process, the distance posts I8 and the distance posts II 9 are welded on the heat exchange plate I2 or the heat exchange plate II 3 to achieve the distance function.
As shown in fig. 1, 2, 3 and 6, two strip-shaped plates 6 are respectively arranged at the top and the bottom of the body 1, four strip-shaped plates 6 are welded on the body in total, the strip-shaped plates 6 are located between the first heat exchange plate 2 and the second heat exchange plate 3, the strip-shaped plates 6 are bent in a spiral shape, two strip-shaped plates 6 located in the same gap form a hot runner 5 with the body 1, and the other two strip-shaped plates 6 located in the same gap form a cold runner 4 with the body 1.
As shown in fig. 1, 2 and 3, the strip-shaped plate 6 has a groove 10 formed by bending, and the cross section of the groove is V-shaped, and the strip-shaped plate 6 has an upper surface and a lower surface with two side surfaces therebetween. The opening of the groove 10 at the top of the body 1 of the strip-shaped plate 6 is upward, and the opening of the groove 10 at the bottom of the body 1 of the strip-shaped plate 6 is downward. One side of the strip-shaped plate 6 is attached to the side wall of the first heat exchange plate 2, the other side of the strip-shaped plate 6 is attached to the side wall of the second heat exchange plate 3, and the two side surfaces of the strip-shaped plate and the side walls of the first heat exchange plate 2 and the second heat exchange plate 3 form a notch 7 for accommodating welding materials. In actual production, the cross section of the strip-shaped plate 6 can also be semicircular or wavy. When the spiral plate type heat exchanger operates, the inside of the spiral plate type heat exchanger is simultaneously provided with two fluids of cold and hot to generate expansion and contraction, so that the distance between the first heat exchange plate 2 and the second heat exchange plate 3 is changed. The strip-shaped plate 6 between the first heat exchange plate 2 and the second heat exchange plate 3 has bending, so that the strip-shaped plate 6 has elastic deformation. When the interval between heat transfer board 2 and the heat transfer board two 3 changes, can extrude bar panel 6 or tensile bar panel 6, make bar panel 6 take place elastic deformation, avoid the welded connection between bar panel 6 and the heat transfer board 2 to take place the fracture damage and avoid the welded connection between bar panel 6 and the heat transfer board two 3 to take place the fracture damage.
As shown in fig. 1, 2 and 3, the strip-shaped plate 6 at the top of the body 1 has a top end below the upper edge of the heat exchange plate one 2, and the distance posts one 8 are below the strip-shaped plate 6 at the top; the bottom end of the strip-shaped plate 6 located at the bottom of the body 1 is located above the lower edge of the first heat exchange plate 2, and the second distance column 9 is located above the strip-shaped plate 6 at the bottom.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a spiral plate heat exchanger, includes that inside has body (1) of hot runner (5) and cold runner (4), body (1) are including the heliciform heat transfer board (2) and two (3) of heat transfer board that the interval was arranged, its characterized in that, the top and the bottom of body (1) are equipped with bar panel (6) respectively, bar panel (6) weld between heat transfer board (2) and two (3) along the spiral direction of heat transfer board (2), and heat transfer board (2), two (3) of heat transfer board and bar panel (6) enclose to close and form above-mentioned hot runner (5) and cold runner (4), bar panel (6) are the form of buckling along its width direction.
2. A spiral plate heat exchanger according to claim 1, wherein the strip-shaped sheet material (6) at the top is bent in the width direction to form a groove (10) with an upward opening, and the strip-shaped sheet material (6) at the bottom of the body (1) is bent in the width direction to form a groove (10) with a downward opening.
3. A spiral plate heat exchanger according to claim 2, wherein the strip-shaped plate material (6) has an upper surface and a lower surface, two side surfaces are arranged between the upper surface and the lower surface, one side of the strip-shaped plate material (6) is attached to the side wall of the first heat exchange plate (2), the other side of the strip-shaped plate material (6) is attached to the side wall of the second heat exchange plate (3), and two side surfaces of the strip-shaped plate material (6) are respectively attached to the first heat exchange plate (2) and the second heat exchange plate (3) to form a notch (7) for accommodating welding materials.
4. A spiral plate heat exchanger according to claim 1, 2 or 3, wherein the cross-section of the strip-shaped sheet material (6) is V-shaped or circular arc-shaped.
5. Spiral plate heat exchanger according to claim 1, 2 or 3, characterized in that a plurality of first distance pillars (8) and second distance pillars (9) are further provided between the first heat exchanger plate (2) and the second heat exchanger plate (3), the first distance pillars (8) are located at the top edge of the first heat exchanger plate (2) and below the top strip-shaped plate (6) of the body (1), and the second distance pillars (9) are located at the bottom edge of the first heat exchanger plate (2) and above the bottom strip-shaped plate (6) of the body (1).
6. A spiral plate heat exchanger according to claim 1, wherein the body (1) is provided with two continuous strip-shaped plates (6) at the top and bottom, wherein two strip-shaped plates (6) in the same gap form a hot runner (5) with the body (1), and the other two strip-shaped plates (6) in the same gap form a cold runner (4) with the body (1).
7. A spiral plate heat exchanger according to claim 6, wherein the strip-shaped sheet material (6) is arranged helically.
8. A spiral plate heat exchanger according to claim 1 or 2 or 3 or 6 or 7, characterized in that the strip-shaped plate material (6) at the top of the body (1) has its top end below the upper edge of the first heat exchange plate (2); the bottom end of the strip-shaped plate (6) positioned at the bottom of the body (1) is positioned above the lower edge of the first heat exchange plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921165495.8U CN210292953U (en) | 2019-07-23 | 2019-07-23 | Spiral plate type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921165495.8U CN210292953U (en) | 2019-07-23 | 2019-07-23 | Spiral plate type heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN210292953U true CN210292953U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921165495.8U Active CN210292953U (en) | 2019-07-23 | 2019-07-23 | Spiral plate type heat exchanger |
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| CN (1) | CN210292953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285697A (en) * | 2019-07-23 | 2019-09-27 | 浙江诚信医化设备有限公司 | Spiral heat exchanger |
| WO2022021667A1 (en) * | 2020-07-29 | 2022-02-03 | 扬州派斯特换热设备有限公司 | Welding and assembling process for plate heat exchanger unit |
-
2019
- 2019-07-23 CN CN201921165495.8U patent/CN210292953U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285697A (en) * | 2019-07-23 | 2019-09-27 | 浙江诚信医化设备有限公司 | Spiral heat exchanger |
| CN110285697B (en) * | 2019-07-23 | 2024-03-22 | 浙江诚信医化设备有限公司 | Spiral plate type heat exchanger |
| WO2022021667A1 (en) * | 2020-07-29 | 2022-02-03 | 扬州派斯特换热设备有限公司 | Welding and assembling process for plate heat exchanger unit |
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