CN112524981A - Plate type heat exchange method for waste heat recovery - Google Patents
Plate type heat exchange method for waste heat recovery Download PDFInfo
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- CN112524981A CN112524981A CN202011413681.6A CN202011413681A CN112524981A CN 112524981 A CN112524981 A CN 112524981A CN 202011413681 A CN202011413681 A CN 202011413681A CN 112524981 A CN112524981 A CN 112524981A
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- 238000011084 recovery Methods 0.000 title claims abstract description 53
- 239000002918 waste heat Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 238000004064 recycling Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
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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
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G7/00—Cleaning by vibration or pressure waves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of heat exchange equipment, in particular to a plate type heat exchange method for waste heat recovery. This plate heat exchanger for waste heat recovery, when the heat transfer slab carries out the heat transfer to two kinds of fluids, low temperature water through the inside of second grade collection box absorbs the outside radiating heat of heat transfer slab, prevent that the outside department of heat from giving off and doing useless power, improve the device's waste heat utilization ratio, through the inside fixed mounting baffle at the second grade collection box, set up a plurality of compartments in the inside of second grade collection box, detect the interior water temperature of compartment through thermodetector, when the temperature reaches the threshold value, utilize warm water discharge through the one-level inlet tube, and inject cold water into the compartment through the intake pump.
Description
Technical Field
The invention relates to the technical field of heat exchange equipment, in particular to a plate type heat exchange method for waste heat recovery.
Background
The plate heat exchanger is made up by using thin metal plate to press heat-exchanging plate sheets with a certain corrugated form, then stacking them, and fastening them by using clamping plate and bolt. Thin rectangular channels are formed between the various plates through which heat is exchanged. The working fluid flows through the narrow and tortuous passage formed between the two plates. Cold and hot fluid passes through the flow channel in turn, and the fluid is separated by an interlayer plate in the middle and exchanges heat through the plate.
The existing plate heat exchanger exchanges heat with two fluids in a thin rectangular channel formed by heat exchange plates when working, when the heat exchanger works, the heat contained in the high-temperature fluid can be dissipated to the outside of the heat exchange plates when the high-temperature fluid flows, so that the temperature of the high-temperature fluid is reduced quickly, the heat of the high-temperature fluid can not be reasonably utilized, the heat dissipated at the position can not be recovered by the existing heat exchanger, so that the heat exchange efficiency is reduced, and the energy utilization rate is reduced, in addition, after the existing plate heat exchanger works for a long time, a large amount of scale can be attached to the inner part of a heat exchange half piece, so that the heat exchange efficiency of the heat exchanger is further reduced, at present, the whole disassembly and cleaning of the plate heat exchanger by workers are usually carried out, time and labor are wasted, the labor intensity is high, and the manual disassembly and cleaning only can ensure that the, the influence on the heat exchange efficiency of the heat exchanger is large, and therefore, a plate type heat exchanger for waste heat recovery is provided to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a plate heat exchanger for waste heat recovery, which has the advantages of preventing heat from being dissipated outwards, improving the waste heat utilization rate, reducing the cleaning difficulty of a heat exchanger body and the like, and solves the problems in the background technology.
In order to achieve the purposes of preventing heat from being dissipated outwards, improving the utilization rate of waste heat and reducing the difficulty in cleaning the heat exchanger body, the invention is realized by the following technical scheme: a plate heat exchanger for waste heat recovery comprises a front end plate, guide rods are fixedly mounted on the upper side and the lower side of the back face of the front end plate, heat exchange plate sheets are uniformly distributed and clamped on the outer portions of the guide rods, a support column is fixedly mounted at one end of each guide rod, a rear tube plate located on the back face of each heat exchange plate sheet is clamped on the outer portion of each guide rod, a locking bolt is movably mounted in the rear tube plate, the front end plate and the rear tube plate are fixedly connected through the locking bolt, water guide pipes are uniformly distributed and fixedly mounted on the front face of the front end plate, a secondary recovery box is movably mounted on the outer portion of each heat exchange plate sheet, a heat insulation outer cover is fixedly mounted on the outer portion of the secondary recovery box, partition plates are uniformly distributed and fixedly mounted in the secondary recovery box, a plurality of partition chambers are formed in the secondary recovery box through the partition, the equal fixed mounting in the left and right sides of thermal-insulated dustcoat has the one-level back flow that runs through to the compartment inside, the one end fixed mounting of one-level back flow has backward flow solenoid valve, and the one end fixed mounting of backward flow solenoid valve has the second grade back flow, the top fixed mounting of thermal-insulated dustcoat has the backwash pump, and the inlet tube and the second grade back flow fixed connection of backwash pump, the top fixed mounting of thermal-insulated dustcoat has the second grade inlet tube that runs through to the compartment inside, and the one end fixed mounting of second grade inlet tube has the solenoid valve of intaking, the one end fixed mounting of solenoid valve of intaking has the one-level inlet tube, the top fixed mounting of thermal-insulated dustcoat has the intake pump, and the delivery end and the one-level inlet tube fixed connection of intake pump, the side fixed.
Preferably, the front end plate and the rear tube plate are provided with clamping grooves matched with the locking bolts at the front side and the rear side, and the bottom of the front end plate and the bottom of the strut are fixedly provided with fixed bottom feet.
Preferably, the upper side and the lower side of the heat exchange plate are both provided with limiting grooves matched with the guide rods, and the width values of the left side and the right side of the heat exchange plate are smaller than the distance between the locking bolts on the left side and the right side.
Preferably, the inside of second grade collection box is seted up the draw-in groove of mutually supporting with the guide arm, there is sealed end plate both sides through screw fixed mounting around the second grade collection box, both sides do not contact each other with the heat transfer slab around the inside of second grade collection box.
Preferably, the size value of the outer parts of the two sealing end plates is the same as the distance value between the front end plate and the rear tube plate, and the height value of the secondary recovery tank in the middle of the two sealing end plates is the same as the height value of the heat exchange plate.
Preferably, the temperature detector, the secondary water inlet pipe, the water inlet solenoid valve and the primary return pipe and the return solenoid valve on one side of the heat insulation outer cover are the same as the secondary recovery box.
Preferably, supersonic generator evenly distributed in the left and right sides of thermal-insulated dustcoat, and supersonic generator's direction of work all faces inboard, supersonic generator and electric cabinet electric connection.
Preferably, the temperature detector is electrically connected with the electric cabinet, and the electric cabinet is electrically connected with the reflux pump, the water inlet pump, the reflux electromagnetic valve and the water inlet electromagnetic valve.
A plate heat exchanger for waste heat recovery and a heat exchange method thereof comprise the following operation steps:
s1, connecting a water guide pipe on the front face of the front end plate with guide pipes of two heat exchange fluids, connecting a water inlet of a water inlet pump with a low-temperature water inlet pipe, injecting low-temperature water into each compartment in the secondary recovery box, adjusting an induction threshold value of a temperature detector through an electric cabinet, absorbing and utilizing heat emitted outside by the heat exchange plates through the low-temperature water in the secondary recovery box when the heat exchange plates exchange heat for the two fluids, and respectively detecting the water temperature of each compartment in the secondary recovery box through the temperature detectors uniformly distributed on the side face of the front end plate;
s2, when any temperature detector detects that the temperature of water in the compartment exceeds a threshold value, transmitting a detection signal to the electric cabinet, controlling the opening of a return electromagnetic valve corresponding to the compartment through the electric cabinet, and controlling a return pump to pump out the water heated in the compartment for utilization through the electric cabinet;
s3, after the warm water of rising is discharged, the corresponding solenoid valve of intaking of electric cabinet control is opened, the electric cabinet control intake pump pours into low-temperature water into again in the compartment that corresponds into, make the device can incessantly utilize the heat that gives off to the heat exchange plate outside, through the supersonic generator work of electric cabinet control front end plate both sides evenly distributed, clear up the inside incrustation scale of heat exchange plate and the inside incrustation scale of second grade collection box, supersonic generator regularly works simultaneously, prevent that the incrustation scale from adhering to influence heat exchange efficiency.
The invention provides a plate heat exchanger for waste heat recovery, which has the following beneficial effects:
1. this plate heat exchanger for waste heat recovery, when the heat transfer slab carries out the heat transfer to two kinds of fluids, low temperature water through the inside of second grade collection box absorbs the outside radiating heat of heat transfer slab, prevent that the outside department of heat from giving off and do the useless power, improve the device's waste heat utilization ratio, through the inside fixed mounting baffle at the second grade collection box, set up a plurality of compartments in the inside of second grade collection box, detect the interior water temperature of compartment through thermodetector, when the temperature reaches the threshold value, utilize warm water discharge through the one-level inlet tube, and inject cold water into the compartment through the intake pump, make the device can continuously carry out recycle to the heat that the heat transfer slab outside gived off.
2. This plate heat exchanger for waste heat recovery, the second grade collection box inboard does not contact with the heat transfer slab outside, when guaranteeing the inside fluid heat exchange efficiency of heat transfer slab, make the inside low-temperature water of second grade collection box can carry out recycle to the heat that the heat transfer slab during operation gived off to the outside, reduce the influence that the second grade collection box caused to heat transfer slab body work, protect the second grade collection box through thermal-insulated dustcoat, prevent that the inside heat of second grade collection box from giving off to the outside, the device's barrier propterty is improved, waste heat utilization rate has further been guaranteed.
3. This plate heat exchanger for waste heat recovery, through thermal-insulated dustcoat both sides evenly distributed's supersonic generator work, clear up the inside adnexed incrustation scale of heat exchange plate inside and second grade collection box, make the incrustation scale discharge along the rivers, reduce the degree of difficulty to the device body clearance, supersonic generator regularly works simultaneously and plays and prevents the adnexed effect of incrustation scale, reduces the influence of incrustation scale to the heat exchange efficiency, improves the device's heat exchange efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the exterior of the insulated housing of the present invention;
FIG. 3 is a schematic view of the exterior of the heat shield of the present invention;
fig. 4 is a schematic structural view between the front end plate and the strut according to the present invention.
In the figure: 1. a front end plate; 2. a guide bar; 3. a pillar; 4. a heat exchange plate; 5. a rear tube plate; 6. locking the bolt; 7. a water conduit; 8. a secondary recovery tank; 9. a thermally insulating enclosure; 10. sealing the end plate; 11. a partition plate; 12. a temperature detector; 13. a primary return pipe; 14. a return solenoid valve; 15. a secondary return pipe; 16. a reflux pump; 17. a second-stage water inlet pipe; 18. a water inlet electromagnetic valve; 19. a first-stage water inlet pipe; 20. a water inlet pump; 21. an ultrasonic generator; 22. an electric cabinet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 4, the present invention provides a technical solution: a plate heat exchanger for waste heat recovery comprises a front end plate 1, guide rods 2 are fixedly arranged on the upper side and the lower side of the back of the front end plate 1, heat exchange plates 4 which are uniformly distributed are clamped outside the guide rods 2, a support column 3 is fixedly arranged at one end of each guide rod 2, a rear tube plate 5 positioned on the back of each heat exchange plate 4 is clamped outside the guide rods 2, locking bolts 6 are movably arranged inside the rear tube plate 5, clamping grooves matched with the locking bolts 6 are formed in the front side and the rear side of each of the front end plate 1 and the rear tube plate 5, fixing bottom feet are fixedly arranged at the bottoms of the front end plate 1 and the support column 3, the front end plate 1 and the rear tube plate 5 are connected, the heat exchange plates 4 are fixed inside the front end plate 1 and the rear tube plate 5, the stability of the heat exchange plates 4 in working is ensured, the rear tube plate 5 is detached to facilitate the detachment and maintenance of the heat exchange plates 4, the front, the upper side and the lower side of the heat exchange plate 4 are both provided with limiting grooves mutually matched with the guide rods 2, the width value of the left side and the right side of the heat exchange plate 4 is smaller than the distance between the locking bolts 6 at the left side and the right side, the position of the heat exchange plate 4 is limited by the guide rods 2 at the upper side and the lower side, the stability of the heat exchange plate 4 in working is further ensured, in addition, the width value of the left side and the right side of the heat exchange plate 4 is smaller than the distance between the locking bolts 6 at the left side and the right side, the influence on the heat exchange plate 4 when the locking bolts 6 are installed is prevented, the front side of the front end plate 1 is fixedly provided with the water guide pipes 7 which are uniformly distributed, the outer part of the heat exchange plate 4 is movably provided with the secondary recovery box 8, the outer part of the secondary recovery box 8 is fixedly provided with the heat insulation outer cover 9, the front side and the rear side of the inside of the secondary recovery box 8 are not contacted with the heat exchange plates 4, the inner side of the secondary recovery box 8 is not contacted with the outside of the heat exchange plates 4, the heat exchange efficiency of fluid in the heat exchange plates 4 is ensured, meanwhile, low-temperature water in the secondary recovery box 8 can recycle heat emitted outside when the heat exchange plates 4 work, the influence of the secondary recovery box 8 on the work of the heat exchange plates 4 is reduced, the secondary recovery box 8 is protected by the heat insulation outer cover 9, the heat in the secondary recovery box 8 is prevented from being emitted outside, the protection performance of the device is improved, the waste heat utilization rate is further ensured, the size value of the outside of the two sealing end plates 10 is the same as the distance value between the front end plate 1 and the rear tube plate 5, the height value of the secondary recovery box 8 in the middle of the two sealing end plates 10 is the same as the height value of the heat exchange plates 4, and the fact that the, thereby enabling the secondary recycling box 8 to absorb heat emitted from the left side and the right side of the outer part of the heat exchange plate 4 and ensuring the effectiveness of the device, the inner part of the secondary recycling box 8 is fixedly provided with uniformly distributed clapboards 11, the inner part of the secondary recycling box 8 is provided with a plurality of compartments through the clapboards 11, the side surface of the heat insulation outer cover 9 is fixedly provided with a temperature detector 12 penetrating to the inner part of the compartment, the left side and the right side of the heat insulation outer cover 9 are both fixedly provided with a primary return pipe 13 penetrating to the inner part of the compartment, one end of the primary return pipe 13 is fixedly provided with a return solenoid valve 14, one end of the return solenoid valve 14 is fixedly provided with a secondary return pipe 15, the top of the heat insulation outer cover 9 is fixedly provided with a return pump 16, a water inlet pipe of the return pump 16 is fixedly connected with the, a water inlet electromagnetic valve 18 is fixedly arranged at one end of a secondary water inlet pipe 17, a primary water inlet pipe 19 is fixedly arranged at one end of the water inlet electromagnetic valve 18, a water inlet pump 20 is fixedly arranged at the top of the heat insulation outer cover 9, the water outlet end of the water inlet pump 20 is fixedly connected with the primary water inlet pipe 19, a temperature detector 12, the secondary water inlet pipe 17, a primary return pipe 13 and a return electromagnetic valve 14 at one side of the water inlet electromagnetic valve 18 and the heat insulation outer cover 9 are the same as the number of compartments in the secondary recovery box 8, when the heat exchange plate 4 exchanges heat between the two fluids, the heat dissipated from the outside of the heat exchange plate 4 is absorbed by the low-temperature water in the secondary recovery box 8, the heat is prevented from being dissipated to the outside and being useless, the waste heat utilization rate of the device is improved, a plurality of compartments are arranged in the secondary recovery box 8 by fixedly arranging a partition plates 11 in the secondary, when the water temperature reaches a threshold value, warm water is discharged for utilization through a primary water inlet pipe 19, cold water is injected into a compartment through a water inlet pump 20, so that the device can continuously recycle heat emitted from the outside of the heat exchange plate 4, an ultrasonic generator 21 is fixedly arranged on the side surface of the heat insulation outer cover 9, an electric cabinet 22 is fixedly arranged on the side surface of the heat insulation outer cover 9, the ultrasonic generators 21 are uniformly distributed on the left side and the right side of the heat insulation outer cover 9, the working directions of the ultrasonic generators 21 are all towards the inner side, the ultrasonic generators 21 are electrically connected with the electric cabinet 22, scales attached to the inside of the heat exchange plate 4 and the inside of the secondary recycling cabinet 8 are cleaned through the operation of the ultrasonic generators 21 uniformly distributed on the two sides of the heat insulation outer cover 9, the scales are discharged along the water flow, the difficulty of cleaning the device body is reduced, and meanwhile, the ultrasonic generators 21 work regularly to, reduce the influence of incrustation scale to the heat exchange efficiency, improve the device's heat exchange efficiency, thermodetector 12 and electric cabinet 22 electric connection, electric cabinet 22 and backwash pump 16, intake pump 20 and backwash solenoid valve 14, 18 electric connection of intake solenoid valve guarantee to receive supersonic generator 21's detected signal through electric cabinet 22 to control backwash solenoid valve 14, intake solenoid valve 18 and backwash pump 16, intake pump 20, guaranteed the validity of the device.
A plate heat exchanger for waste heat recovery and a heat exchange method thereof comprise the following operation steps:
s1, connecting a water guide pipe 7 on the front face of the front end plate 1 with conduits of two heat exchange fluids, connecting a water inlet of a water inlet pump 20 with a low-temperature water inlet pipe, injecting low-temperature water into each compartment inside the secondary recovery box 8, adjusting an induction threshold value of a temperature detector 12 through an electric control box 22, absorbing and utilizing heat emitted outside by a heat exchange plate 4 through the low-temperature water inside the secondary recovery box 8 when the two fluids are subjected to heat exchange by a heat exchange plate 4, and detecting the water temperature of each compartment inside the secondary recovery box 8 through the temperature detectors 12 uniformly distributed on the side faces of the front end plate 1;
s2, when any temperature detector 12 detects that the temperature of water in the compartment exceeds a threshold value, transmitting a detection signal to the electric cabinet 22, controlling the opening of the backflow electromagnetic valve 14 corresponding to the compartment through the electric cabinet 22, and controlling the backflow pump 16 through the electric cabinet 22 to pump out the water heated in the compartment for utilization;
s3, after the warm water of rising discharges, electric cabinet 22 control corresponding water solenoid valve 18 of intaking is opened, electric cabinet 22 control water pump 20 pours into the low-temperature water into again in the compartment that corresponds, make the device can incessantly utilize the heat that the heat transfer slab 4 outside gived off, supersonic generator 21 work through electric cabinet 22 control front end plate 1 both sides evenly distributed, clear up the inside incrustation scale of heat transfer slab 4 and the inside incrustation scale of second grade collection box 8, supersonic generator 21 regularly works simultaneously, prevent that the incrustation scale from attaching to influence heat exchange efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A plate type heat exchange method for waste heat recovery is characterized in that: including front end plate (1), the equal fixed mounting in upper and lower both sides at the back of front end plate (1) has guide arm (2), and the outside joint of guide arm (2) has evenly distributed's heat transfer plate (4), the one end fixed mounting of guide arm (2) has pillar (3), the outside joint of guide arm (2) has back tube sheet (5) that are located the heat transfer plate (4) back, the inside movable mounting of back tube sheet (5) has locking bolt (6), front end plate (1) passes through locking bolt (6) fixed connection with back tube sheet (5), the front fixed mounting of front end plate (1) has evenly distributed's aqueduct (7), the outside movable mounting of heat transfer plate (4) has second grade collection box (8), and the outside fixed mounting of second grade collection box (8) has thermal-insulated outer cover (9), the inside fixed mounting of second grade collection box (8) has evenly distributed's baffle (11), a plurality of compartments have been seted up through baffle (11) in the inside of second grade collection box (8), the side fixed mounting of thermal-insulated dustcoat (9) has thermodetector (12) that runs through to the compartment is inside, the equal fixed mounting in both sides has one-level back flow (13) that runs through to the compartment is inside about thermal-insulated dustcoat (9), the one end fixed mounting of one-level back flow (13) has return solenoid valve (14), and the one end fixed mounting of return solenoid valve (14) has second grade back flow (15), the top fixed mounting of thermal-insulated dustcoat (9) has backwash pump (16), and the inlet tube and second grade back flow (15) fixed connection of backwash pump (16), the top fixed mounting of thermal-insulated dustcoat (9) has second grade inlet tube (17) that runs through to the compartment is inside, and the one end fixed mounting of second grade inlet tube (17) has into water, a primary water inlet pipe (19) is fixedly mounted at one end of the water inlet electromagnetic valve (18), a water inlet pump (20) is fixedly mounted at the top of the heat insulation outer cover (9), the water outlet end of the water inlet pump (20) is fixedly connected with the primary water inlet pipe (19), an ultrasonic generator (21) is fixedly mounted on the side surface of the heat insulation outer cover (9), and an electric cabinet (22) is fixedly mounted on the side surface of the heat insulation outer cover (9);
the heat exchange method comprises the following operation steps:
s1, a water guide pipe (7) on the front face of a front end plate (1) is communicated with guide pipes of two heat exchange fluids, a water inlet of a water inlet pump (20) is communicated with a low-temperature water inlet pipe, low-temperature water is injected into each compartment inside a secondary recovery box (8), an induction threshold value of a temperature detector (12) is adjusted through an electric cabinet (22), when heat exchange is carried out on the two fluids by a heat exchange plate (4), heat dissipated to the outside of the heat exchange plate (4) is absorbed and utilized by low-temperature water inside the secondary recovery box (8), and water temperatures of each compartment inside the secondary recovery box (8) are respectively detected by the temperature detectors (12) uniformly distributed on the side faces of the front end plate (1);
s2, when any temperature detector (12) detects that the temperature of water in the compartment exceeds a threshold value, transmitting a detection signal to the electric cabinet (22), controlling the opening of a backflow electromagnetic valve (14) corresponding to the compartment through the electric cabinet (22), and controlling a backflow pump (16) to pump out the water heated in the compartment for utilization through the electric cabinet (22);
s3, after the warm water of rising discharges, electric cabinet (22) control corresponding water solenoid valve (18) are opened, electric cabinet (22) control intake pump (20) pour into low-temperature water into again in the compartment that corresponds, make the device can incessantly utilize the heat that heat transfer plate (4) outside gived off, supersonic generator (21) work through electric cabinet (22) control front end plate (1) both sides evenly distributed, clear up the inside incrustation scale of heat transfer plate (4) inside and second grade collection box (8), supersonic generator (21) are regularly worked simultaneously, prevent that the incrustation scale from adhering to influence heat exchange efficiency.
2. The plate heat exchange method for waste heat recovery as recited in claim 1, wherein: the front end plate (1) and the rear tube plate (5) are provided with clamping grooves which are matched with the locking bolts (6) at the front side and the rear side, and fixing bottom feet are fixedly arranged at the bottom of the front end plate (1) and the bottom of the supporting column (3).
3. The plate heat exchange method for waste heat recovery as recited in claim 1, wherein: the upper side and the lower side of the heat exchange plate (4) are provided with limiting grooves matched with the guide rods (2), and the width values of the left side and the right side of the heat exchange plate (4) are smaller than the distance between the locking bolts (6) on the left side and the right side.
4. The plate heat exchange method for waste heat recovery as recited in claim 1, wherein: the inside of second grade collection box (8) is seted up the draw-in groove of mutually supporting with guide arm (2), there are sealed end plate (10) both sides through screw fixed mounting around second grade collection box (8), both sides do not contact each other with heat transfer plate (4) around second grade collection box (8) inside.
5. The plate heat exchange method for waste heat recovery as recited in claim 1, wherein: the size value of the outer part of the two sealing end plates (10) is the same as the distance value between the front end plate (1) and the rear tube plate (5), and the height value of the secondary recovery box (8) in the middle of the two sealing end plates (10) is the same as the height value of the heat exchange plate (4).
6. The plate heat exchange method for waste heat recovery as recited in claim 1, wherein: the temperature detector (12), the secondary water inlet pipe (17), the water inlet electromagnetic valve (18), the primary return pipe (13) on one side of the heat insulation outer cover (9), the return electromagnetic valve (14) and the compartments in the secondary recovery box (8) are the same in number.
7. The plate heat exchange method for waste heat recovery as recited in claim 1, wherein: supersonic generator (21) evenly distributed in the left and right sides of thermal-insulated dustcoat (9), and supersonic generator (21)'s direction of work all faces inboard, supersonic generator (21) and electric cabinet (22) electric connection.
8. The plate heat exchange method for waste heat recovery as recited in claim 1, wherein: the temperature detector (12) is electrically connected with the electric cabinet (22), and the electric cabinet (22) is electrically connected with the reflux pump (16), the water inlet pump (20), the reflux electromagnetic valve (14) and the water inlet electromagnetic valve (18).
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| CN202011413681.6A CN112524981A (en) | 2020-12-06 | 2020-12-06 | Plate type heat exchange method for waste heat recovery |
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| CN202011413681.6A CN112524981A (en) | 2020-12-06 | 2020-12-06 | Plate type heat exchange method for waste heat recovery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877725A (en) * | 2022-01-25 | 2022-08-09 | 郭亚军 | A high-efficiency plate heat exchanger with anti-frost |
| CN114963811A (en) * | 2022-05-24 | 2022-08-30 | 安徽普瑞普勒传热技术有限公司 | Plate type heat exchanger capable of recovering waste heat and using method thereof |
| CN116972669A (en) * | 2023-06-27 | 2023-10-31 | 江苏瑞鼎环境工程有限公司 | Carbon-based material plate heat exchanger for flue gas heat recovery and application method thereof |
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| CN211552548U (en) * | 2019-12-12 | 2020-09-22 | 杭州亚飞环保科技有限公司 | Plate heat exchanger with waste heat capable of being reused |
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| CN109945737A (en) * | 2019-03-15 | 2019-06-28 | 南京师范大学 | Self-cleaning and descaling plate heat exchanger based on ultrasonic and superhydrophobic materials |
| CN211552548U (en) * | 2019-12-12 | 2020-09-22 | 杭州亚飞环保科技有限公司 | Plate heat exchanger with waste heat capable of being reused |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114877725A (en) * | 2022-01-25 | 2022-08-09 | 郭亚军 | A high-efficiency plate heat exchanger with anti-frost |
| CN114963811A (en) * | 2022-05-24 | 2022-08-30 | 安徽普瑞普勒传热技术有限公司 | Plate type heat exchanger capable of recovering waste heat and using method thereof |
| CN116972669A (en) * | 2023-06-27 | 2023-10-31 | 江苏瑞鼎环境工程有限公司 | Carbon-based material plate heat exchanger for flue gas heat recovery and application method thereof |
| CN116972669B (en) * | 2023-06-27 | 2024-02-20 | 江苏瑞鼎环境工程有限公司 | Carbon-based material plate heat exchanger for flue gas heat recovery and application method thereof |
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Application publication date: 20210319 |