CN210242513U - Spiral plate heat exchanger - Google Patents
Spiral plate heat exchanger Download PDFInfo
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- CN210242513U CN210242513U CN201920872713.5U CN201920872713U CN210242513U CN 210242513 U CN210242513 U CN 210242513U CN 201920872713 U CN201920872713 U CN 201920872713U CN 210242513 U CN210242513 U CN 210242513U
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Abstract
The utility model discloses a spiral plate heat exchanger, which comprises a cylinder body, wherein the cylinder body is provided with a heat medium inlet, a heat medium outlet, a refrigerant inlet and a refrigerant outlet, the cylinder body also comprises a spiral heat exchange piece and a positioning piece, the spiral heat exchange piece comprises a partition plate and two spiral plates wound into multiple layers, the inner ends of the two spiral plates are respectively arranged at the two ends of the partition plate, the spiral directions are opposite, the two spiral plates are nested, and a refrigerant channel and a heat medium channel which are mutually isolated are respectively formed; the positioning piece comprises a plugging piece arranged between the outer ends of the two spiral plates and the inner wall of the barrel body, and a positioning structure formed by punching the spiral plates. The utility model adopts the positioning structure formed by stamping, utilizes the plugging piece to isolate the ends of the refrigerant channel and the heat medium channel, and the spirochete adopts a spiral structure, thereby increasing the contact area of heat exchange and having high conversion efficiency; the machining efficiency is high, the machining precision is ensured, the stability of the whole structure is improved, and the heat exchange effect is ensured; saves time and labor and saves a large amount of production cost.
Description
Technical Field
The utility model relates to a heat exchanger technical field, concretely relates to spiral plate heat exchanger.
Background
The spiral plate heat exchanger is characterized in that two parallel metal plates are coiled into two spiral channels, heat exchange is carried out between cold and hot fluids through spiral plate walls, the heat exchange effect of two media is realized, carbon steel, stainless steel, aluminum, copper, a table and other materials with good heat conductivity are mostly used as materials, and the spiral plate heat exchanger is widely applied to industries such as petrifaction, chemical engineering, medicines and the like.
The spiral body of the traditional spiral plate heat exchanger needs to be welded with a large batch of distance columns in advance before being rolled, and the structure has the following defects:
(1) extra materials are wasted, the working efficiency of manual welding is low, the manufacturing can be completed in a long time, and time and labor are consumed;
(2) the distance post is because adopt manual welding, and the precision is lower, and the defective rate is higher, can influence the heat transfer effect.
In view of this, it is urgently needed to improve the structure of the existing spiral plate heat exchanger so as to facilitate the processing and improve the heat exchange effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that there is inconvenient processing, the poor problem of heat transfer effect in current spiral plate heat exchanger's structure.
In order to solve the technical problem, the utility model provides an adopted technical scheme is a spiral plate heat exchanger, the novel nipple rectifier comprises a cylindrical shel, be equipped with heat medium entry, heat medium export, refrigerant entry and refrigerant export on the barrel, the barrel still includes:
the spiral heat exchange piece comprises a partition plate and two spiral plates wound into multiple layers, the inner ends of the two spiral plates are respectively arranged at two ends of the partition plate, the spiral directions are opposite, and the two spiral plates are nested to respectively form a refrigerant channel and a heat medium channel which are mutually isolated;
the positioning piece comprises two plugging pieces arranged between the outer ends of the spiral plates and the inner wall of the barrel body, and a positioning structure formed by punching the spiral plates.
In another preferred embodiment, the heat medium inlet is arranged at the bottom of the cylinder and extends into the center of the heat medium channel through a heat medium inlet pipe, the heat medium outlet is arranged on the outer side surface of the top of the cylinder and is communicated with the heat medium channel, and the heat medium flows spirally from inside to outside and unidirectionally from bottom to top.
In another preferred embodiment, the refrigerant inlet is disposed on the top outer side of the cylinder and is communicated with the refrigerant channel, the refrigerant outlet is disposed at the central bottom of the refrigerant channel and extends out of the bottom outer side of the cylinder through a refrigerant outlet pipe, and the refrigerant flows spirally from outside to inside and unidirectionally from top to bottom.
In another preferred embodiment, a support frame is arranged between the spiral plate and the partition plate, the support frame comprises an outer frame and a plurality of support rods, the outer frame is semi-circular and closed, the support rods are arranged in a plurality along the radial direction of the outer frame, and the outer frame is abutted against the inner side surfaces of the partition plate and the spiral plate.
In another preferred embodiment, the positioning structure adopts positioning grooves, and each positioning groove abuts against the adjacent spiral plate.
In another preferred embodiment, the positioning slots on the two spiral plates are respectively arranged at different heights to form a staggered arrangement, the positioning slots are circular grooves, and the cross sections of the positioning slots are square.
In another preferred embodiment, the height of the support frame is smaller than that of the spiral heat exchange piece, and the two support frames are arranged at different heights.
In another preferred embodiment, the upper side and the lower side of the cylinder are respectively provided with a fixing plate, the upper side and the lower side of the spiral plate are respectively provided with a sealing element, and the sealing elements are steel pipes and are welded in gaps of the spiral plate.
In another preferred embodiment, the starting end and the tail end of the spiral plate form a deflection angle, the deflection angle is 25-35 degrees, and the two blocking pieces are symmetrically arranged.
In another preferred embodiment, the heat medium outlet and the refrigerant inlet are symmetrically arranged at two sides of the cylinder, are arranged at the same height, and are perpendicular to the partition plate.
Compared with the prior art, the utility model adopts the positioning structure formed by stamping, the sealing piece is utilized to isolate the ends of the refrigerant channel and the heat medium channel, the spiral body adopts the spiral structure, the heat exchange contact area is increased, and the conversion efficiency is high; the structure is small and exquisite, the processing efficiency is high, the processing precision is favorably ensured, the stability of the whole structure is improved, and the heat exchange effect is ensured; saves time and labor and saves a large amount of production cost.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a schematic structural view of the support frame of the present invention;
FIG. 3 is a schematic view of the structure A-A in FIG. 1;
FIG. 4 is an enlarged view of the portion B in FIG. 3;
fig. 5 is the schematic diagram of the flat structure of the middle spiral plate of the present invention.
Detailed Description
The utility model provides a spiral plate heat exchanger, which adopts a positioning structure formed by stamping processing, utilizes a plugging piece to isolate the tail ends of a refrigerant channel and a heat medium channel, adopts a spiral structure to increase the contact area of heat exchange, and has high conversion efficiency; the structure is small and exquisite, the processing efficiency is high, the processing precision is favorably ensured, the stability of the whole structure is improved, and the heat exchange effect is ensured; saves time and labor and saves a large amount of production cost. The invention is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1 and fig. 3, the utility model provides a pair of spiral plate heat exchanger, including barrel 10, be equipped with heat medium entry 12, heat medium export 11, refrigerant entry 13 and refrigerant export 14 on the barrel 10, barrel 10 still includes spiral heat transfer spare and setting element. The spiral heat exchange member comprises a partition plate 20 and two spiral plates 21 wound into multiple layers, the inner ends of the two spiral plates 21 are respectively arranged at two ends of the partition plate 20, the spiral directions are opposite, the two spiral plates 21 are nested, and a refrigerant channel 30 and a heat medium channel 40 which are mutually isolated are respectively formed. The positioning member comprises a blocking member 50 disposed between the outer ends of the two spiral plates 21 and the inner wall of the cylinder 10, and a positioning structure 60 punched from the spiral plates 21.
The spiral plate 21 may be preferably made of a metal plate such as stainless steel, which is effective for improving corrosion resistance of the equipment.
The utility model discloses, set up shutoff piece 50 in the outer end of spiral plate 21, guarantee with the sealed of barrel 10, location structure 60 between the spiral plate 21 adopts stamping process to make, and spiral plate 21 is unanimous at the thickness of each position, and the compressive capacity is unanimous, and overall stability is stronger, and processes simply, does not need the manpower to weld one by one, has improved machining efficiency to can guarantee the machining precision.
The heat medium inlet 12 is disposed at the bottom of the cylinder 10 and extends into the center of the heat medium channel 40 through a heat medium inlet pipe, such as the heat medium insertion hole 110 in the present embodiment, and the heat medium outlet 11 is disposed on the outer side of the top of the cylinder 10 and communicates with the heat medium channel 40, and the heat medium flows spirally from the inside to the outside and unidirectionally from the bottom to the top. The refrigerant inlet 13 is disposed on the top outer side of the cylinder 10 and communicated with the refrigerant channel 30, and the refrigerant outlet 14 is disposed at the central bottom of the refrigerant channel 30, in this embodiment, the refrigerant insertion hole 140 extends out of the bottom outer side of the cylinder 10 through a refrigerant outlet pipe, and the refrigerant flows spirally from the outside to the inside and unidirectionally from the top to the bottom.
The refrigerant and the heating medium enter the refrigerant channel 30 and the heating medium channel 40 which are mutually isolated, flow directions are opposite, and the refrigerant and the heating medium are in multi-layer contact through spiral flow, heat exchange area is large, complete heat exchange can be carried out, and the refrigerant and the heating medium are discharged from the refrigerant outlet 14 and the heating medium outlet 11.
As shown in fig. 2, a support frame is disposed between the spiral plate 21 and the partition plate 20, the support frame includes an outer frame 70 and a plurality of struts 71, the outer frame 70 and the partition plate 20 are sealed in a semicircular shape, and the struts 71 are disposed in a plurality along a radial direction of the outer frame 70, and the outer frame 70 abuts against inner side surfaces of the spiral plate 21 and the partition plate 20. Because the spiral plate 21 can pass in and out a large amount of refrigerant and heating medium in the heat exchange process, in order to maintain stability, a support frame is arranged in the semicircular space between the partition plate 20 and the spiral plate 21, so that the spiral plate 21 can bear the pressure of the refrigerant or the heating medium, and the deformation is avoided.
As shown in fig. 4 and 5, the positioning structure 60 employs positioning grooves, each of which abuts against the adjacent spiral plate 21. Utilize the constant head tank that the punching press formed to lean on with spiral plate 21 for utilize the constant head tank to form strutting arrangement between the spiral plate 21, improved overall structure's stability.
The positioning grooves in the two spiral plates 21 are respectively arranged at different heights to form staggered arrangement, the positioning grooves are circular grooves, and the cross sections of the positioning grooves are square. The constant head tank is circular recess, evenly arranges on spiral plate 21 for have the multiple spot between two spiral plates 21 and support, it is less to the influence of flow direction, guarantees refrigerant channel 30 and heat medium channel 40's stability, improves heat exchange efficiency.
The height of the support frames is smaller than that of the spiral heat exchange piece, and the two support frames are different in arrangement height. Since the refrigerant inlet 13 is located at the upper part and the heating medium inlet 12 is located at the lower part, the two spiral plates 21 are impacted differently during the heat exchange process, and the two support frames are set to have different heights for balance.
The upper and lower sides of the cylinder 10 are respectively provided with a fixing plate, the upper and lower sides of the spiral plate 21 are respectively provided with a sealing element, the sealing element is a steel pipe 17, and the sealing element is welded in the gap of the spiral plate 21. Because the thickness of spiral plate 21 is less, in order to improve the leakproofness, utilize steel pipe 17 to weld, guarantee refrigerant passageway 30 and heat medium passageway 40 sealed, and then guarantee the heat transfer effect, reduce the heat and reduce calorific loss at the diffusion of fixed plate department.
The starting end and the tail end of the spiral plate 21 form a deflection angle of 25-35 degrees, and the two plugging pieces 50 are symmetrically arranged. Spiral plate 21's initiating terminal is the position that refrigerant or heat medium begin the spiral flow promptly, and the end is the position of outflow, and the two sets up the deviation angle, and the direction that rivers flow is out of plumb with baffle 20, avoids rivers direction to cause the influence to the baffle 20 at middle part and arouses rocking of spiral plate 21.
The heat medium outlet 11 and the refrigerant inlet 13 are symmetrically arranged at both sides of the cylinder 10, are arranged at the same height, and are perpendicular to the partition plate 20. The action and impact force of the heating medium and the cooling medium in the heat exchange process are mutually offset, so that the balance action of the cylinder 10 is favorably ensured.
The utility model adopts the positioning structure formed by stamping, utilizes the plugging piece to isolate the ends of the refrigerant channel and the heat medium channel, and the spirochete adopts a spiral structure, thereby increasing the contact area of heat exchange and having high conversion efficiency; the structure is small and exquisite, the processing efficiency is high, the processing precision is favorably ensured, the stability of the whole structure is improved, and the heat exchange effect is ensured; saves time and labor and saves a large amount of production cost.
The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.
Claims (10)
1. The utility model provides a spiral plate heat exchanger, includes the barrel, be equipped with heat medium entry, heat medium export, refrigerant entry and refrigerant export on the barrel, its characterized in that, the barrel still includes:
the spiral heat exchange piece comprises a partition plate and two spiral plates wound into multiple layers, the inner ends of the two spiral plates are respectively arranged at two ends of the partition plate, the spiral directions are opposite, and the two spiral plates are nested to respectively form a refrigerant channel and a heat medium channel which are mutually isolated;
the positioning piece comprises two plugging pieces arranged between the outer ends of the spiral plates and the inner wall of the barrel body, and a positioning structure formed by punching the spiral plates.
2. The spiral plate heat exchanger as claimed in claim 1, wherein the heating medium inlet is provided at the bottom of the cylinder to protrude into the center of the heating medium passage through a heating medium inlet pipe, the heating medium outlet is provided on the outer side of the top of the cylinder to communicate with the heating medium passage, and the heating medium flows spirally from inside to outside in a one-way direction from bottom to top.
3. A spiral plate heat exchanger according to claim 1, wherein the refrigerant inlet is disposed on the top outer side of the cylinder and is communicated with the refrigerant channel, the refrigerant outlet is disposed at the central bottom of the refrigerant channel and extends out of the bottom outer side of the cylinder through a refrigerant outlet pipe, and the refrigerant flows spirally from the outside to the inside and unidirectionally from the top to the bottom.
4. A spiral plate heat exchanger according to claim 1, wherein a support frame is disposed between the spiral plate and the partition plate, the support frame includes an outer frame and a plurality of struts, the outer frame is closed in a semicircular shape, and the struts are disposed along a radial direction of the outer frame, and the outer frame abuts against the partition plate and an inner side surface of the spiral plate.
5. A spiral plate heat exchanger according to claim 1, wherein the positioning structure employs positioning grooves, each of which abuts against an adjacent spiral plate.
6. A spiral plate heat exchanger according to claim 5, wherein the positioning grooves of the two spiral plates are respectively arranged at different heights to form a staggered arrangement, and the positioning grooves are circular grooves and are square in cross section.
7. A spiral plate heat exchanger according to claim 4, wherein the height of the support frame is smaller than the height of the spiral heat exchanging element, and the two support frames are arranged at different heights.
8. The spiral plate heat exchanger according to claim 1, wherein the fixing plates are respectively disposed on the upper and lower sides of the cylinder, and the sealing members are respectively disposed on the upper and lower sides of the spiral plate, and are steel pipes welded in the gaps of the spiral plate.
9. The spiral plate heat exchanger according to claim 1, wherein the starting ends and the tail ends of the spiral plates form a deflection angle, the deflection angle is 25-35 degrees, and the two plugs are symmetrically arranged.
10. The spiral plate heat exchanger as claimed in claim 1, wherein the heating medium outlet and the cooling medium inlet are symmetrically disposed at both sides of the cylinder, and are disposed at the same height, perpendicular to the partition plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872713.5U CN210242513U (en) | 2019-06-11 | 2019-06-11 | Spiral plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872713.5U CN210242513U (en) | 2019-06-11 | 2019-06-11 | Spiral plate heat exchanger |
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| Publication Number | Publication Date |
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| CN210242513U true CN210242513U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920872713.5U Active CN210242513U (en) | 2019-06-11 | 2019-06-11 | Spiral plate heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160381A (en) * | 2019-06-11 | 2019-08-23 | 浙江金龙自控设备有限公司 | A kind of spiral-plate heat exchanger |
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2019
- 2019-06-11 CN CN201920872713.5U patent/CN210242513U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160381A (en) * | 2019-06-11 | 2019-08-23 | 浙江金龙自控设备有限公司 | A kind of spiral-plate heat exchanger |
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