CN107289810B - Heat exchange plate for plate-type heat exchange type graphene electric heater - Google Patents
Heat exchange plate for plate-type heat exchange type graphene electric heater Download PDFInfo
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- CN107289810B CN107289810B CN201710597147.7A CN201710597147A CN107289810B CN 107289810 B CN107289810 B CN 107289810B CN 201710597147 A CN201710597147 A CN 201710597147A CN 107289810 B CN107289810 B CN 107289810B
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- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 48
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims description 56
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- -1 graphite alkene Chemical class 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 35
- 239000002699 waste material Substances 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000005485 electric heating Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 19
- 238000012546 transfer Methods 0.000 description 13
- 239000012528 membrane Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000554 physical therapy Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/02—Constructions of heat-exchange apparatus characterised by the selection of particular materials of carbon, e.g. graphite
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Resistance Heating (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention provides a heat exchange plate for a plate-type heat exchange type graphene electric heater, which comprises a heat exchange plate, wherein the heat exchange plate is divided into a plurality of areas through a plurality of strip-shaped bulge supporting groups, and a graphene heating film is arranged in the area between every two bulge supporting groups. According to the heat exchange plate for the plate-type heat exchange type graphene electric heater, the graphene heating film is adhered to the heat exchange plate to serve as a heating source, the optimal control system guarantees safety and high efficiency, the electric heating conversion rate is improved in a simple mode, the resource waste of primary circulating water is reduced, and the heat exchanger is healthy, comfortable, energy-saving and high-efficiency.
Description
Technical Field
The invention belongs to the field of heat exchangers, and particularly relates to a heat exchange plate for a plate-type heat exchange type graphene electric heater.
Background
The plate heat exchanger is an efficient heat exchanger formed by stacking metal sheets with a certain corrugated shape, a thin rectangular channel is formed between various plate sheets, heat exchange is carried out through the plate sheets, the plate heat exchanger is ideal equipment for carrying out heat exchange of liquid-liquid and liquid-gas, the plate heat exchanger has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like, under the condition of the same pressure loss, the heat transfer coefficient is 3-5 times higher than that of a tubular heat exchanger, the occupied area is one third of that of the tubular heat exchanger, the heat recovery rate can be up to more than 90%, the characteristics of high temperature rise and high electrothermal conversion efficiency (> 99.7%) of a graphene heating film are utilized based on the advantages, the advantages of high water heating heat storage, small influence on humidity and good human comfort are fully exerted, the physiotherapy effect of far waves emitted by the graphene heating film is combined with the remote control of an intelligent concept, the programmable time period control is realized, and the special infrared household heat exchange plate is designed. Aiming at the situation, the invention provides the heat exchange plate for the plate heat exchange type graphene electric heater, which is characterized in that a graphene heating film is adhered to the heat exchange plate to serve as a heating source, an optimal control system ensures safety and high efficiency, the electric heating conversion rate is improved in a simple mode, the resource waste of primary circulating water is reduced, and the heat exchanger is healthy, comfortable, energy-saving and high-efficiency.
Disclosure of Invention
In view of the above, the invention aims to provide a heat exchange plate for a plate-type heat exchange type graphene electric heater, which is characterized in that a graphene heating film is adhered to the heat exchange plate to serve as a heating source, an optimal control system ensures safety and high efficiency, the electric heating conversion rate is improved in a simple mode, the resource waste of primary circulating water is reduced, and the heat exchanger is healthy, comfortable, energy-saving and high-efficiency.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the utility model provides a board heat exchange type graphite alkene heat transfer board for electric heater, includes the heat transfer board, the heat transfer board is divided into a plurality of regions with it through a plurality of rectangular protruding supporting groups, and every two the region between the protruding supporting group is equipped with the graphite alkene heating film.
Further, the protruding support group comprises two identical protruding supports which are arranged in parallel, and grooves which are downward and parallel to each other are arranged between the two protruding supports.
Further, the length of the groove is half of the length of the convex supporting group, and the grooves are arranged in the convex supporting group in a staggered mode at intervals.
Further, the height of the protruding support is larger than that of the fixed graphene heating film, and the sum of the areas of the graphene heating films on the single plate is at least one half of the area of the middle plane part of the heat exchange plate.
Further, the graphene heating film is fixed on the heat exchange plate through heat conduction silica gel, and the heat exchange plate is made of stainless steel.
Further, evenly distributed many even rectangular shape archs all around the heat transfer board, the sealing strip is arranged in adjacent the groove that forms between rectangular shape arch and its interference fit, heat transfer board both ends are equipped with inlet opening and apopore respectively, and a plurality of evenly distributed's arch of same circumference distribution all around two holes, interference fit has between the arch the sealing strip, parallel line perpendicular to between the arch supports the inlet opening with the symmetry central line of apopore.
Further, two heat exchange plates arranged in a mirror image mode are in a group, the peripheries of every two adjacent groups are connected in a sealing mode through sealing rubber gaskets to form a heat exchanger, the protruding supports on the heat exchange plates placed in each group in a mirror image mode are in one-to-one correspondence respectively and are mutually abutted to each other at the tops, the cross sections between the protruding support groups in the adjacent two matched mode form a closed shape, and the graphene heating films are arranged on two sides of the space symmetry mode.
Further, the heights of the plurality of convex supports are the same, the depths of the plurality of concave grooves downwards concave are the same, and the depth of the concave grooves is smaller than the thickness of the sealing rubber gasket after sealing compression.
Further, the height of the strip-shaped bulge and the height of the bulge are smaller than or equal to the height of the bulge support and are both positioned on the same plate surface, the height of the sealing strip is higher than the height of the bulge support and the higher part of the sealing strip is in the elastic compression range of the sealing strip, and the height of each group of two mirrored heat exchange plates after the sealing strip is sealed is equal to the sum of the heights of the two bulge supports.
Compared with the prior art, the heat exchange plate for the plate-type heat exchange type graphene electric heater has the following advantages:
(1) According to the heat exchange plate for the plate-type heat exchange type graphene electric heater, the graphene heating film is adhered to the heat exchange plate to serve as a heating source, the optimal control system guarantees safety and high efficiency, the electric heating conversion rate is improved in a simple mode, the resource waste of primary circulating water is reduced, and the heat exchanger is healthy, comfortable, energy-saving and high-efficiency.
(2) The convex supporting group comprises two same convex supports which are arranged in parallel, and grooves which are downwards arranged between the two convex supports and are parallel to each other are formed. The setting of protruding support has protected the graphite alkene membrane that generates heat, avoids touching and lead to the perk of membrane in the installation, and the setting of recess plays the choked flow effect to the water in the runner, prevents that the velocity of flow from being too fast and influencing the heating.
(3) The length of the grooves is half of the length of the convex supporting groups, and the grooves are arranged in the convex supporting groups at intervals in a staggered mode. Through the arrangement form of the grooves, a good flow blocking effect is achieved in a small space, and the phenomenon that the temperature rise is too high due to large resistance is avoided.
(4) The height of the convex support is larger than that of the fixed graphene heating film, and the sum of the areas of the graphene heating films on the single plate is at least one half of the area of the middle plane part of the heat exchange plate. The graphene heating film with fixed size can be adopted according to the same principle, and the heating efficiency is improved by changing the composition ratio of the film, so that the heating efficiency of water can be effectively and rapidly realized.
(5) The graphene heating film is fixed on the heat exchange plate through heat conduction silica gel, and the heat exchange plate is made of stainless steel. The fixed heat-transfer material can ensure good heat-transfer effect, is preferably stainless steel, can also be other materials with good heat conductivity, can improve temperature faster, saves electricity and reduces the waste of resources.
(6) According to the heat exchange plate, the periphery of the heat exchange plate is uniformly provided with a plurality of uniform strip-shaped bulges, sealing strips are arranged in grooves formed between the adjacent strip-shaped bulges and are in interference fit with the grooves, two ends of the heat exchange plate are respectively provided with a water inlet hole and a water outlet hole, the periphery of the two holes is also circumferentially provided with a plurality of uniformly-distributed bulges, the sealing strips are in interference fit between the bulges, and parallel lines between the bulge supports are perpendicular to the symmetrical center lines of the water inlet holes and the water outlet holes. The sealing structure has the advantages that good sealing effect is guaranteed, the phenomenon that water enters to affect the use of a membrane is avoided, and the restriction on parallel lines ensures that the grooves can better realize the choked flow effect on the surface with water.
(7) According to the invention, two heat exchange plates are arranged in a mirror image mode, the peripheries of adjacent groups are connected in a sealing mode through sealing rubber gaskets to form a heat exchanger, the convex supports on the two heat exchange plates arranged in the mirror image mode are in one-to-one correspondence, the tops of the convex supports are in butt joint, the cross sections between the two adjacent matched convex support groups form a closed shape, and the graphene heating films are arranged on two sides of the space symmetry. Through the design form, the protruding support further plays a role in protection, water flow is prevented from passing through the arrangement of the closed space, the influence of water vapor and the like on the membrane is reduced, the service life is prolonged, and the heat exchange plate is prevented from falling off.
(8) According to the invention, the heights of the plurality of convex supports are the same, the depths of the downward concave grooves are the same, and the depth of the concave grooves is smaller than the thickness of the sealing rubber pad after sealing compression. The sealing structure has the advantages that the sealing structure ensures good sealing effect, does not influence the circulation of internal water, has good fluidity, ensures that the heights of all the bulges are the same, is convenient for the integrated forming of the heat exchange plates, saves cost, has strong universality and ensures the matched sealing effect.
(9) The heights of the strip-shaped bulges and the bulges are smaller than or equal to the heights of the bulge supports and are all positioned on the same plate surface, the height of the sealing strip is higher than the heights of the bulge supports, the higher part of the sealing strip is in the elastic compression range of the sealing strip, and the heights of two mirrored heat exchange plates in each group after the sealing of the two corresponding sealing strips are equal to the sum of the heights of the two bulge supports. The sealing device has the advantages of ensuring better sealing effect, being not easy to leak, prolonging the service life of equipment and better isolating the films of all parts.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 is a front view of a heat exchange plate for a plate-type heat exchange graphene electric heater according to an embodiment of the invention;
fig. 2 is a partial cross-sectional view of a protruding support group after a heat exchange plate for a plate-type heat exchange type graphene electric heater is assembled according to an embodiment of the invention;
FIG. 3 is a flow chart of the operation of the old heat exchanger in the system;
fig. 4 is a flow chart of a heat exchanger formed by heat exchange plates for a plate-type heat exchange type graphene electric heater in a system according to an embodiment of the invention.
Reference numerals illustrate:
1-a heat exchange plate; 2-water inlet holes; 3-bulge; 4-heat conducting silica gel; 5-elongated protrusions; 6, sealing strips; 7-a convex support group; 701-bump support; 702-groove; 8-graphene heating film; 9-water outlet hole.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
The heat exchange plate for the plate-type heat exchange type graphene electric heater shown in fig. 1 comprises a heat exchange plate 1, wherein the heat exchange plate 1 is divided into a plurality of areas through a plurality of strip-shaped bulge supporting groups 7, and a graphene heating film 8 is arranged in each area between every two bulge supporting groups 7. The graphene heating film 8 is attached to the heat exchange plate 1 to serve as a heating source, the optimal control system guarantees safety and high efficiency, the electrothermal conversion rate is improved in a simple mode, the resource waste of primary circulating water is reduced, and the heat exchanger is healthy, comfortable, energy-saving and high-efficiency.
The protrusion support group 7 includes two identical protrusion supports 701 disposed in parallel, and a groove 702 disposed between the two protrusion supports 701 and parallel to each other is downward. The setting of protruding support 701 has protected graphite alkene heating film 8, avoids touching and lead to the perk of film in the installation, and the setting of recess 702 plays the choked flow effect to the water in the runner, prevents that the velocity of flow from being too fast and influencing the heating.
The length of the groove 702 is half of the length of the protruding support 701, and the grooves are arranged in the protruding support groups 7 in a staggered manner at intervals. This arrangement of grooves 702 ensures that a better choked flow effect is achieved in a smaller space, avoiding excessive temperature rise due to greater resistance.
Wherein, the height of the convex support 701 is larger than the height of the fixed graphene heating film 8, and the sum of the areas of the graphene heating films 8 on a single plate is at least one half of the area of the middle plane part of the heat exchange plate 1. The good heat transfer effect is guaranteed, the same principle can also be adopted, and the graphene heating film 8 with a fixed size can be used, so that the heating efficiency is improved by changing the composition ratio of the film, and the heating of water can be efficiently and rapidly realized.
The graphene heating film 8 is fixed on the heat exchange plate 1 through heat conduction silica gel 4, and the heat exchange plate 1 is made of stainless steel. The fixed heat-transfer material can ensure good heat-transfer effect, is preferably stainless steel, can also be other materials with good heat conductivity, can improve temperature faster, saves electricity and reduces the waste of resources.
The heat exchange plate 1 is characterized in that a plurality of uniform strip-shaped bulges 5 are uniformly distributed around the heat exchange plate 1, sealing strips 6 are arranged in grooves formed between the adjacent strip-shaped bulges 5 and are in interference fit with the grooves, water inlet holes 2 and water outlet holes 9 are respectively formed in two ends of the heat exchange plate 1, a plurality of uniformly distributed bulges 3 are uniformly distributed around the two holes in a circumferential manner, the sealing strips 6 are in interference fit between the bulges 3, and parallel lines between the bulge supports 701 are perpendicular to the symmetrical center lines of the water inlet holes 2 and the water outlet holes 9. Ensuring a better sealing effect, avoiding water from entering to affect the use of the membrane, and limiting parallel lines ensures that the grooves 702 can better realize the choked flow effect on the surface with water.
The two heat exchange plates arranged in a mirror image mode are in a group, the periphery of each adjacent group is connected with each other in a sealing mode through a sealing rubber pad to form a heat exchanger, the convex supports 701 on the heat exchange plates 1 placed in each group in a mirror image mode are in one-to-one correspondence and are mutually abutted to each other at the tops, the cross sections between the two adjacent matched convex support groups 7 form a closed shape, and the graphene heating films 8 are arranged on two sides of the space symmetry. Through the design form of this kind, make protruding support 701 further play the guard action, through the setting in closed space, prevent that rivers from passing through, reduced influence to the membrane such as aqueous vapor, improve life, prevent that it from dropping from heat exchange plate 1.
The heights of the plurality of convex supports 701 are the same, the depths of the downward depressions of the plurality of grooves 702 are the same, and the depths of the depressions of the grooves 702 are smaller than the thickness of the sealing rubber gasket after sealing compression. The circulation of inside water is not influenced when guaranteeing better sealed effect, has better mobility, and the high same heat transfer board 1 integrated into one piece of being convenient for of each protruding support 701, saving cost and commonality are stronger, guarantee complex sealed effect.
The heights of the strip-shaped protrusions 5 and the protrusions 3 are smaller than or equal to the height of the protrusion support 701 and are all on the same plate surface, the height of the sealing strip 6 is higher than the height of the protrusion support 701, the height of the sealing strip 6 is higher than the height of the sealing strip 6, the sealing strip 6 is in the elastic compression range, and the height of each group of two heat exchange plates 1 corresponding to the two heat exchange plates is equal to the sum of the heights of the protrusion supports 701. The sealing device has the advantages of ensuring better sealing effect, being not easy to leak, prolonging the service life of equipment and better isolating the films of all parts.
The working principle of the invention is as follows: as shown in fig. 1, a heat exchange plate 1 of a heat exchange plate for a plate-type heat exchange type graphene electric heater is integrally formed by stamping, before installation, graphene heating films 8 are attached to the area between the convex supports 701, when the heat exchange plate is installed, two groups of heat exchange plates 1 are arranged in a mirror image mode, are fixed on a fixed frame and are in sealing connection through sealing strips 6, the two groups are in sealing connection through sealing rubber gaskets in the same mode to form a water runner, the assembled heat exchanger ensures that the two convex supports 701 of the mirror image are mutually abutted against each other, the independent spaces are respectively provided for the graphene heating films 8, damage of one is prevented, the other is prevented, the graphene heating films are protected, meanwhile, grooves 702 form convex staggered arrangement in the runner, a good flow blocking effect is achieved, the pipeline through intercommunication inlet opening 2 and apopore 9 links into entire system, circulate, when using, start equipment through control system, flow outside, get into the water that gets into in the heat exchanger after the scrubbing and slow down through the choked flow effect of recess 702 in the rivers way, in this process graphite alkene heating film 8 generates heat and heats water through the slab heat transfer, send far infrared wave simultaneously and have better physiotherapy effect to people around, the water of flowing through passes through after rising gradually to the delivery port, the sensor that its upper pipeline set up detects temperature and passes to control system, control it and flow out after reaching predetermined temperature, whole process has practiced thrift the outside circulation heating of primary water in the past, improve the temperature of secondary water, independent heat exchanger can reach required temperature water and work, resources are saved and a healthy comfortable environment is provided.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (3)
1. Heat exchange plate for board-like heat exchange type graphite alkene electrical heater, its characterized in that: the heat exchange plate comprises heat exchange plates (1), wherein the heat exchange plates (1) are divided into a plurality of areas through a plurality of strip-shaped bulge supporting groups (7), and a graphene heating film (8) is arranged in the area between every two bulge supporting groups (7);
the convex supporting group (7) comprises two identical convex supports (701) which are arranged in parallel, and a groove (702) which is downward and parallel to each other is arranged between the two convex supports (701);
the length of the groove (702) is half of the length of the convex support (701), and the grooves are arranged in the convex support groups (7) in a staggered mode at intervals;
the height of the convex support (701) is larger than that of the fixed graphene heating film (8), and the sum of the areas of the graphene heating films (8) on the single plate is at least one half of the area of the middle plane part of the heat exchange plate (1);
the two heat exchange plates arranged in a mirror image mode are in a group, the peripheries of the adjacent groups are connected in a sealing mode through sealing rubber gaskets to form a heat exchanger, the convex supports (701) on the two heat exchange plates (1) arranged in the mirror image mode of each group are in one-to-one correspondence and the tops of the two convex supports are in butt joint, the cross sections between the two convex supports (7) matched in the adjacent groups form a closed shape, and the graphene heating films (8) are arranged on two sides of the space symmetry;
the heights of the plurality of convex supports (701) are the same, the downward concave depths of the plurality of grooves (702) are the same, and the concave depths of the grooves (702) are smaller than the thickness of the sealing rubber pad after sealing compression.
2. The heat exchange plate for a plate-type heat exchange type graphene electric heater according to claim 1, wherein: the graphene heating film (8) is fixed on the heat exchange plate (1) through heat conduction silica gel (4), and the heat exchange plate (1) is made of stainless steel;
the heat exchange plate (1) is evenly distributed with a plurality of even rectangular protruding (5) all around, and sealing strip (6) are arranged in adjacent slot that forms between rectangular protruding (5) rather than interference fit, heat exchange plate (1) both ends are equipped with inlet opening (2) and apopore (9) respectively, and a plurality of evenly distributed's protruding (3) of same circumference distribution around two holes, interference fit has between protruding (3) sealing strip (6), parallel line perpendicular to between protruding support (701) inlet opening (2) with the symmetry central line of apopore (9).
3. The heat exchange plate for a plate-type heat exchange type graphene electric heater according to claim 2, wherein: the height of the strip-shaped protrusions (5) and the height of the protrusions (3) are smaller than or equal to the height of the protrusion supports (701) and are both located on the same plate surface, the height of the sealing strip (6) is higher than the height of the protrusion supports (701) and higher than the height of the protrusion supports (701) in the elastic compression range of the sealing strip (6), and the height of each group of two mirrored heat exchange plates (1) after the sealing strip (6) is sealed is equal to the sum of the heights of the protrusion supports (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710597147.7A CN107289810B (en) | 2017-07-20 | 2017-07-20 | Heat exchange plate for plate-type heat exchange type graphene electric heater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710597147.7A CN107289810B (en) | 2017-07-20 | 2017-07-20 | Heat exchange plate for plate-type heat exchange type graphene electric heater |
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| Publication Number | Publication Date |
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| CN107289810A CN107289810A (en) | 2017-10-24 |
| CN107289810B true CN107289810B (en) | 2024-03-22 |
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| CN201710597147.7A Active CN107289810B (en) | 2017-07-20 | 2017-07-20 | Heat exchange plate for plate-type heat exchange type graphene electric heater |
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| PL235100B1 (en) * | 2018-04-17 | 2020-05-18 | Akademia Sztuk Pieknych Im Jana Matejki W Krakowie | Graphene heater |
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| EP2508832A1 (en) * | 2011-04-05 | 2012-10-10 | Michael Rehberg | Plastic plate heat exchanger |
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