CN214384465U - Pressure-bearing support type heat exchanger - Google Patents
Pressure-bearing support type heat exchanger Download PDFInfo
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- CN214384465U CN214384465U CN202120147015.6U CN202120147015U CN214384465U CN 214384465 U CN214384465 U CN 214384465U CN 202120147015 U CN202120147015 U CN 202120147015U CN 214384465 U CN214384465 U CN 214384465U
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Abstract
The utility model relates to a pressure-bearing supports formula heat exchanger, this heat exchanger include a heat exchanger main part, the heat exchanger main part is restrainted the equipment by first clamp plate, second clamp plate and heat transfer board and is constituted, the heat transfer board is restrainted and is supported framework combined unit stack by a plurality of pressure-bearing and constitute, the pressure-bearing supports framework combined unit and supports the heat transfer slab equipment on the framework upper and lower two sides by the pressure-bearing and constitute with the setting at the pressure-bearing. The utility model discloses under the unchangeable circumstances of indirect heating equipment major structure, require required head just can change equipment usage function additional at two ends, make the heat exchanger make integrate, equipment maintenance modularization, practiced thrift manufacturing cost, improved manufacturing, equipment, maintenance efficiency, prolonged equipment life cycle.
Description
Technical Field
The utility model relates to a heat exchanger, specific pressure-bearing support formula heat exchanger that says so, this heat exchanger wide application in trades such as petrochemical industry, metallurgy, electric power, boats and ships, light industry, machinery, heat supply, air conditioner are the key development equipment that national energy saving and emission reduction advocated.
Background
The existing detachable plate heat exchanger is sealed in a soft manner, that is, each heat exchange plate is designed with a gasket groove structure, and the sealing between media and the outside is realized through a sealing gasket matched with the gasket groove structure. Usually, the sealing gasket is made of rubber materials with a certain compression ratio of more than 20%, the thickness of the sealing gasket is larger than the corrugation depth of two adjacent heat exchange plates, and the detachable plate heat exchanger is clamped by torque and then sealed by the plate heat exchanger through resilience of sealing materials.
The rubber sealing gasket has narrow tolerance range to medium corrosion in heat exchanger equipment, and the highest temperature tolerance is the lowest in the heat exchanger equipment at about 200 ℃. The application field is greatly limited. Secondly, when the rubber sealing gasket is used, physical index attenuation, rubber hardening and elasticity reduction can occur under the influence of corrosion, temperature and pressure, so that the detachable plate heat exchanger is caused, the leakage can occur due to the attenuation of the resilience performance of the rubber sealing gasket, for example, the slight leakage problem can be completely solved by referring to the stress application fastening sealing mode of the flange, each pair of heat exchange plates of the detachable plate heat exchanger is mutually supported by the pressed corrugation on the heat exchange plate, the mechanical pressure born by the corrugation of the heat exchange plate and the shape of the sealing groove at the periphery of the heat exchange plate is far less than the clamping pressure of the sealing clamping bolt, so that the heat exchange plate bundle of the detachable plate heat exchanger must be provided with the minimum clamping size ((the corrugation depth of the heat exchange plate plus the plate thickness) X heat exchange plate number is equal to the clamping size) when the detachable plate heat exchanger is assembled, and the leakage generated by the attenuation of the rubber rebound sealing gasket can not be realized by the stress application fastening method, because if the heat exchange plate is pressed by external force, the corrugation and the sealing groove of the heat exchange plate deform to cause more serious leakage, and even the heat exchange plate is scrapped.
The above combination and sealing modes define the following disadvantages and shortcomings of the conventional detachable plate heat exchanger, which are embodied in that:
1. the heat exchange plate bears the pressure from the heat exchange cavity by the rigidity of the heat exchange plate, so that the pressure fluctuation resistance is poor, the bearing capacity is unstable, and the bearing effect is poor;
2. the temperature resistance range is small, the temperature resistance effect is limited by the material process, the sealing gasket is easy to age and the temperature fluctuation resistance is poor when the sealing gasket runs at high temperature or low temperature for a long time;
3. the corrosion resistance is unstable, and the medium contacts two materials, namely the plate and the gasket, so that potential difference corrosion is easily formed;
4. defects are easy to occur in the material processing process of the sealing gasket, so that the heat exchanger is partially failed or is accelerated to age, and leakage is caused;
5. the application limitation is large, and the heat exchanger is not suitable for heat exchange of toxic and harmful media;
6. in the assembling process, high leveling precision needs to be ensured, and local leakage can be caused by uneven clamping;
7. repeated disassembly easily leads to premature failure of the sealing gasket and increases maintenance cost;
8. limited by the die and the structure, the size of the joint is fixed, the internal structure is fixed, the applicable working condition is limited, and the joint can only be applicable to a certain flow range and a certain flow ratio at two sides.
Aiming at the design defects of the detachable plate type heat exchanger, the equipment manufacturer returns the manufacturing process to the method for manufacturing a welding type heat exchanger (such as a shell-and-tube type heat exchanger, a finned tube air cooler and the like, and the method for welding and fixing the end of a heat exchange tube on a tube plate is used for manufacturing the all-welded plate type heat exchanger, and the all-welded plate type heat exchanger is characterized in that a rubber sealing gasket of the detachable plate type heat exchanger is eliminated, and the required N heat exchange plate sheets are welded around the edges of the heat exchange plate sheets by using a welding method, and two adjacent heat exchange plate sheets are taken as a pair of transverse edges and longitudinal edges to be sequentially welded into a whole body with different opening directions, so that the defects of the detachable plate type heat exchanger are solved in such a way. Local metal fatigue or intergranular corrosion cracks at the welding seam position or the overheating area at the edge of the welding seam of the heat exchange plate lead to equipment leakage. Secondly, after the heat exchange plates are welded into a whole, the heat exchange plates are difficult to check and cannot be maintained and replaced when leakage points exist, so that the all-welded plate heat exchanger becomes disposable equipment, the potential safety hazard of the equipment is large, and the service cycle is short.
With the development of various heat exchangers in the application industry of heat exchangers, the heat exchangers are designed in eight categories, but the principle is that a process medium and a cooling and heating medium are respectively placed in two adjacent cavities, and the intermediate partition wall is used for conducting and exchanging cooling and heating. The media exchanged are basically of two types, (gas phase) cooling heating, (liquid phase) cooling heating. The traditional heat exchangers are set based on the corresponding process materials and cooling heating media, and have independent structures, complex manufacturing process, unstable product quality and high manufacturing cost.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a pressure-bearing support type heat exchanger. Under the condition that the main structure of the heat exchange equipment is unchanged, the functions of equipment application can be changed by additionally arranging the seal heads required by working conditions at the two end heads, so that the heat exchanger is integrated in manufacturing, modularized in assembly and maintenance, the manufacturing cost is saved, the manufacturing, assembly and maintenance efficiencies are improved, and the service life of the equipment is prolonged.
The utility model aims at realizing like this, a pressure-bearing supports formula heat exchanger, this heat exchanger include a heat exchanger main part, the heat exchanger main part is restrainted the equipment by first pinch-off blades, second pinch-off blades and heat transfer board and is constituted, heat transfer board is restrainted and is supported framework combined unit stack by a plurality of pressure-bearings and constitute, the pressure-bearing supports framework combined unit and supports the framework and set up the heat transfer slab equipment on the pressure-bearing support framework upper and lower two sides and constitute by the pressure-bearing.
The heat exchange device comprises a pressure bearing support framework, a heat exchange cavity inlet and a heat exchange cavity outlet, wherein the pressure bearing support framework is of a rectangular framework structure, a cavity is arranged in the pressure bearing support framework, a plurality of heat exchange cavity inlets and outlets communicated with the cavity are formed in a pair of corresponding framework bodies on the pressure bearing support framework, and positioning holes are formed in the other pair of framework bodies on the pressure bearing support framework.
The heat exchange device is characterized in that the pressure bearing support framework is of a II-type frame structure, a cavity is arranged in the pressure bearing support framework, a plurality of heat exchange cavity inlets and outlets and sealing grooves communicated with the cavity are processed in a pair of corresponding frames on the pressure bearing support framework, and positioning holes are processed in the other pair of frames on the pressure bearing support framework.
The utility model discloses advantage and effect are:
1. the utility model provides a shortcoming of traditional gasket plate heat exchanger, heat transfer slab edge seal area bears the pressure conduction that comes from in the cavity and gives "pressure-bearing support framework", has improved the pressure-bearing scope of removable heat exchanger, has satisfied the pressure-bearing demand of more operating modes, still possesses all advantages of removable heat exchanger moreover.
2. The utility model provides a problem of traditional gasket plate heat exchanger temperature resistance, optional gasket that satisfies the operating mode requirement material has enlarged the temperature resistant scope, and the temperature resistance of medium only is relevant with heat conduction original paper (heat transfer slab material), no longer receives the restriction of traditional gasket.
3. The utility model provides a traditional gasket plate heat exchanger not corrosion resistant problem, single material is difficult for producing the galvanic corrosion phenomenon, has enlarged reply corrosive medium kind quantity and application.
4. The utility model provides a traditional gasket plate heat exchanger's gasket ageing, become invalid, support the framework through "pressure-bearing" give the moment of torsion that is greater than or equal to process pressure to heat exchange plate edge sealing district, can solve the sealed problem of moment of torsion decay, no gasket structure, the problem of revealing that the gasket exists and brings has just not existed.
5. The utility model provides a range of application problem of traditional gasket plate heat exchanger, no gasket structure, no longer consider the problem of revealing of the poisonous and harmful medium that its gasket is unstable to lead to.
6. The utility model provides a problem that gasket plate heat exchanger gasket became invalid, no gasket structure does not have the problem that the dismantlement became invalid and brings.
7. The utility model provides a fixed problem of gasket plate heat exchanger, no gasket structure does not have the fixed problem of gasket.
8. The utility model discloses a heat exchanger interface and heat transfer cavity both sides cross-section ratio that varies can set for the wide and narrow proportion of heat transfer cavity according to medium viscosity and density, really improves the medium trafficability characteristic, enlarges the application scope of equipment.
9. The utility model provides a problem of welding heat exchanger undetachable inspection, maintenance, can inspect, maintain and dismantle the heat transfer unit of changing damage or corruption.
10. The utility model discloses required gasket does not have gasket structure and has reduced the gasket cost.
11. The utility model discloses thoroughly eliminated traditional gasket plate heat exchanger heat transfer board and restrainted minimum distance size restriction, the moment of torsion increase can not damage the heat transfer slab.
12. The utility model solves the problem of realizing the manufacture of gas-gas, gas-steam, gas-liquid, steam-liquid and liquid-liquid heat exchangers under the same structure.
Drawings
Fig. 1 is a schematic view of the main structure of the heat exchanger of the present invention.
Fig. 2 is an exploded view of the pressure-bearing support frame assembly unit of the present invention.
Fig. 3 is a schematic structural view of the pressure-bearing support frame of the present invention.
Fig. 4 is a schematic structural view of another embodiment of the pressure bearing support frame of the present invention.
Fig. 5 is the structure schematic diagram of the plate-type wide-channel heat exchanger formed by installing the upper end enclosure on the main body of the heat exchanger.
Fig. 6 is a schematic structural diagram of the air cooling heat exchanger formed by installing the upper end enclosure on the main body of the heat exchanger.
Fig. 7 is the structure schematic diagram of the flue gas heat exchanger formed by installing the upper end enclosure on the main body of the heat exchanger.
Fig. 8 is the structure schematic diagram of the tube-plate heat exchanger formed by installing the upper end enclosure on the main body of the heat exchanger.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:
shown in figures 1, 5, 6, 7, 8: the utility model provides a pressure-bearing support formula heat exchanger, this heat exchanger includes the head at a heat exchanger main part and both ends, the heat exchanger main part includes first clamp plate 1, second clamp plate 2, and heat transfer plate bundle 3 and main part support 4, heat transfer plate bundle 3 is fixed between first clamp plate 1, second clamp plate 2 through a plurality of clamp bolt 5, main part support 4 sets up the below at second clamp plate 2.
Shown in attached figures 1 and 2: the heat exchange plate bundle 3 is formed by stacking a plurality of pressure-bearing support framework combination units, and the pressure-bearing support framework combination units are formed by assembling pressure-bearing support frameworks 3-1 and heat exchange plates 3-2 arranged above and below the pressure-bearing support frameworks 3-1.
The structure of the heat exchange plate 3-2 is matched with that of the pressure bearing support framework 3-1.
As shown in figure 3: the pressure-bearing support framework 3-1 is a rectangular frame structure, a cavity 3-1-1 is arranged in the pressure-bearing support framework 3-1, a plurality of heat exchange cavity inlets and outlets 3-1-2 and end enclosure connecting screw holes 3-1-3 which are communicated with the cavity 3-1-1 are processed on a pair of corresponding frames on the pressure-bearing support framework 3-1, and positioning holes 3-1-4 are processed on the other pair of frames on the pressure-bearing support framework 3-1.
As shown in fig. 4: the bearing support framework 3-1 is a II-type frame structure, a cavity 3-1-1 is arranged in the bearing support framework 3-1, a plurality of heat exchange cavity inlets and outlets 3-1-2 communicated with the cavity 3-1-1, sealing grooves 3-1-5 and end enclosure connecting screw holes 3-1-3 are processed on a pair of corresponding frames on the bearing support framework 3-1, and positioning holes 3-1-4 are processed on the other pair of frames on the bearing support framework 3-1.
Shown in figures 3 and 4: the upper surface of the pressure-bearing support framework 3-1 is a joint surface 3-1-6 with the edge sealing area of the heat exchange plate.
Shown in attached figures 1 and 2: the pressure-bearing supporting framework 3-1 and the heat exchange plates 3-2 arranged on the upper part and the lower part of the pressure-bearing supporting framework 3-1 are assembled to form a basic combined unit, more than two basic combined units can form a heat exchange unit, the basic combined units are overlapped together according to the quantity of process requirements to form a group of heat exchange plate bundles 3, the heat exchange plate bundle 3 is provided with clamping plates which meet the design pressure thickness and material, the first clamping plate 1 is provided with a heat exchange plate cavity inlet and outlet 6 consisting of heat exchange plates, n clamping bolts 5 are selected according to the process pressure grade requirement to connect the first clamping plate 1 and the second clamping plate 2 for applying torque, and clamping the heat exchange plate bundle 3 between the first clamping plate 1 and the second clamping plate 2 to form a heat exchanger main body, wherein a main body support 4 is arranged below the heat exchanger main body, and seal head connecting screw holes are reserved at two ends of the heat exchanger main body.
FIGS. 5, 6, 7, and 8 show: and installing corresponding end sockets according to the process requirements, and then finishing the assembly of the heat exchange equipment.
When a wider flow passage is needed in the process, a heat exchange plate support frame can be placed in the cavity of the pressure-bearing support frame 3-1.
The pressure-bearing support framework 3-1 is made of materials meeting the requirements of process pressure, temperature and corrosion, and the thickness of the pressure-bearing support framework is larger than or equal to the corrugation depth of the two heat exchange plates.
The corrugation of the heat exchange plate 3-2 is completely protected by the pressure-bearing support framework 3-1, and the clamping torque of the clamping bolt is completely borne by the pressure-bearing support framework 3-1.
The thickness of the pressure-bearing support framework 3-1 can be manufactured according to the process requirements, and the trafficability of media with different viscosities and low densities is met.
The utility model discloses an advantage effect still lies in:
1. the superposed pressure bearing support frameworks clamp the superposed first and second heat exchange plates between the two frameworks, and the pressure bearing grade of the heat exchanger is improved under the action of torques from the upper and lower clamping plates and the clamping bolts and nuts.
2. The pressure-bearing support framework supports the torque from the bolt screws of the upper clamping plate and the lower clamping plate, and the problem of extrusion deformation of the heat exchange plate caused by the torque is solved.
3. The superposed pressure bearing support frameworks clamp the superposed first and second heat exchange plates between the two frameworks in a pressing manner under the action of torques from the upper and lower clamping plates and the clamping bolts and nuts, so that the torque can be increased at any time to solve the leakage at the sealing position due to the attenuation of the torque.
4. The sealing joint surface of the pressure-bearing support framework and the heat exchange plate can use a non-structural gasket meeting the material requirement of working conditions, so that the quantity of corrosion-resistant media of the heat exchanger and the application range are enlarged.
5. The heat exchanger main body consists of a first clamping plate, a second clamping plate, a pressure bearing support framework, a first heat exchange plate, a second heat exchange plate and a clamping bolt nut, and components can be detachably inspected, maintained and replaced.
Claims (3)
1. The utility model provides a pressure-bearing support formula heat exchanger, this heat exchanger includes a heat exchanger main part, the heat exchanger main part comprises first pinch-off blades (1), second pinch-off blades (2) and heat exchange plate bundle (3) equipment, its characterized in that: the heat exchange plate bundle (3) is formed by superposing a plurality of pressure-bearing support framework combination units, and the pressure-bearing support framework combination units are formed by assembling pressure-bearing support frameworks (3-1) and heat exchange plates (3-2) arranged on the upper surface and the lower surface of the pressure-bearing support frameworks (3-1).
2. A pressure-bearing, supported heat exchanger as claimed in claim 1, wherein: the heat exchange device is characterized in that the pressure bearing support framework (3-1) is of a rectangular frame structure, a cavity (3-1-1) is arranged in the pressure bearing support framework (3-1), a plurality of heat exchange cavity inlets and outlets (3-1-2) communicated with the cavity (3-1-1) are machined in a pair of corresponding frames on the pressure bearing support framework (3-1), and positioning holes (3-1-4) are machined in the other pair of frames on the pressure bearing support framework (3-1).
3. A pressure-bearing, supported heat exchanger as claimed in claim 1, wherein: the bearing support framework (3-1) is of an II-type frame structure, a cavity (3-1-1) is arranged in the bearing support framework (3-1), a plurality of heat exchange cavity inlets and outlets (3-1-2) and sealing grooves (3-1-5) communicated with the cavity (3-1-1) are machined in a pair of corresponding frames on the bearing support framework (3-1), and positioning holes (3-1-4) are machined in the other pair of frames on the bearing support framework (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120147015.6U CN214384465U (en) | 2021-01-20 | 2021-01-20 | Pressure-bearing support type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120147015.6U CN214384465U (en) | 2021-01-20 | 2021-01-20 | Pressure-bearing support type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214384465U true CN214384465U (en) | 2021-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120147015.6U Active CN214384465U (en) | 2021-01-20 | 2021-01-20 | Pressure-bearing support type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214384465U (en) |
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2021
- 2021-01-20 CN CN202120147015.6U patent/CN214384465U/en active Active
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