CN116642355B - Flue gas waste heat recycling equipment based on acid regeneration - Google Patents
Flue gas waste heat recycling equipment based on acid regeneration Download PDFInfo
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- CN116642355B CN116642355B CN202310852307.3A CN202310852307A CN116642355B CN 116642355 B CN116642355 B CN 116642355B CN 202310852307 A CN202310852307 A CN 202310852307A CN 116642355 B CN116642355 B CN 116642355B
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- Prior art keywords
- air
- pipe
- sealing
- recovery tank
- flue gas
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000003546 flue gas Substances 0.000 title claims abstract description 72
- 238000004064 recycling Methods 0.000 title claims abstract description 18
- 239000002253 acid Substances 0.000 title claims abstract description 17
- 239000002918 waste heat Substances 0.000 title claims abstract description 16
- 230000008929 regeneration Effects 0.000 title claims abstract description 14
- 238000011069 regeneration method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 238000007789 sealing Methods 0.000 claims abstract description 75
- 230000005484 gravity Effects 0.000 claims abstract description 65
- 239000007789 gas Substances 0.000 claims abstract description 62
- 230000005540 biological transmission Effects 0.000 claims abstract description 59
- 239000000428 dust Substances 0.000 claims abstract description 32
- 238000005192 partition Methods 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 58
- 238000011084 recovery Methods 0.000 claims description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000007790 scraping Methods 0.000 claims description 14
- 238000007664 blowing Methods 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 33
- 230000010405 clearance mechanism Effects 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000003292 glue Substances 0.000 abstract 1
- 230000008569 process Effects 0.000 description 30
- 239000000779 smoke Substances 0.000 description 11
- 238000009434 installation Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
-
- 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
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/08—Non-rotary, e.g. reciprocated, appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
-
- 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
- F28G15/00—Details
- F28G15/04—Feeding and driving arrangements, e.g. power operation
- F28G15/06—Automatic reversing devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of acid regeneration flue gas treatment, in particular to a flue gas waste heat recycling device based on acid regeneration, which comprises a recycling tank, wherein a sealing partition plate used for sealing is fixedly connected to the middle position of the inside of the recycling tank, a first transmission mechanism used for flue gas to enter is arranged below the sealing partition plate in the recycling tank, a second transmission mechanism used for low-temperature fluid to enter is arranged above the sealing partition plate in the recycling tank, and a gravity heat pipe used for heat transfer is fixedly connected to the surface of the sealing partition plate in a circumferential array mode. Through being provided with clearance mechanism cooperation gas guiding mechanism, the flue gas can move along the motion track of first air chamber, second air chamber and third air chamber to at the in-process of motion, constantly switch the direction and flow, gather at the in-process of switching the direction, the inner wall of air current and first air chamber, second air chamber and third air chamber produces the impact force, is favorable to the clearance to the dust that glues.
Description
Technical Field
The invention relates to the technical field of acid regeneration flue gas treatment, in particular to a flue gas waste heat recycling device based on acid regeneration.
Background
The utilization rate of sulfuric acid in chemical reaction is very low, a large amount of acid-containing wastewater mixed sulfuric acid ash is discharged into water in production, so that pollution is caused, waste is generated, waste acid is roasted to form hydrogen chloride gas in a factory, and the hydrogen chloride gas is combined with water to form regenerated acid for reuse;
a great amount of heat exists in the flue gas generated in the roasting process, so that the generated heat needs to be recovered in order to avoid waste,
the prior art discloses a part of patents related to metallurgical waste heat utilization, and Chinese patent with application publication number of CN111623641A discloses a device and a method for comprehensively recycling waste heat of reduction roasting flue gas and roasting finished products, wherein the device comprises: reducing and roasting the rotary kiln; the heat exchange rotary drum is obliquely arranged, the front end of the drum body is higher than the rear end of the drum body, the front end of the drum body is communicated with a kiln head discharge port of the reduction roasting rotary kiln, and the rear end of the drum body is communicated with a kiln tail smoke outlet of the reduction roasting rotary kiln and is used for carrying out heat exchange between reduction roasting low-temperature smoke and high-temperature roasting finished products in the drum; the flue gas waste heat boiler is communicated with the front end of the cylinder body of the heat exchange rotary cylinder and is used for producing steam by utilizing flue gas waste heat; and the flue gas aftertreatment system is communicated with the flue gas waste heat boiler and is used for dedusting and cooling the flue gas.
In the prior art, as the main dust-containing component in the flue gas is alumina powder, the hardness is high, abrasion can be generated on the surface of the heat pipe in the movement process of the flue gas, in order to avoid the abrasion, the flow rate of the flue gas in the heat exchanger needs to be reduced as much as possible, but when the dust in the low-speed flue gas passes through the heat pipe, the dust can be attached to the surface of the heat pipe, and the abrasion to the heat pipe is reduced, but the attached dust also can influence the heat conduction effect of the heat pipe, and the heat pipe needs to be cleaned regularly;
in the prior art, quick doors are arranged on two sides of the heat exchanger for cleaning, but a plurality of dead angles exist in the gravity heat pipes and the heat exchanger, so that inconvenience is brought to cleaning;
in the heat exchange process, the internal flue of the heat exchanger is always arranged to be horizontal, and the flue gas entering the heat exchanger is likely to have shorter contact time between the flue gas and the heat pipe because of slower flow velocity, so that heat cannot be well transferred.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a flue gas waste heat recycling device based on acid regeneration.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a flue gas waste heat recycling equipment based on acid regeneration, includes the recovery jar, and the inside intermediate position department of recovery jar fixedly connected with is used for sealed baffle, and the inside of recovery jar is located the below of sealed baffle and is provided with the first transport mechanism that supplies the flue gas to get into, and the inside of recovery jar is located the top of sealed baffle and is provided with the second transport mechanism that supplies low temperature fluid to get into, and the surface of sealed baffle is fixedly connected with the gravity heat pipe that is used for heat transfer through circumference array mode;
the lower surface of the sealing partition plate is provided with a gas guiding mechanism for guiding the flow of the flue gas;
the lower surface of the sealing partition plate is also provided with a cleaning mechanism for removing dust attached to the surface of the gravity heat pipe in the flue gas, the right side of the lower surface of the recovery tank is provided with an air flow blowing mechanism for assisting cleaning, and the center position of the inner bottom end of the recovery tank is provided with a collecting mechanism for collecting dust;
the upper surface of the sealing partition plate is also provided with a controller for starting the cleaning mechanism and the air flow blowing mechanism.
Preferably, the first transmission mechanism comprises a lower mounting cavity, an air inlet pipe and an air outlet pipe, wherein the lower mounting cavity is arranged below the inside of the recovery tank, the air inlet pipe is fixedly arranged at the lower end of the right side surface of the recovery tank, and the air outlet pipe is fixedly arranged on the right side surface of the recovery tank;
the second transmission mechanism comprises an upper mounting cavity, a water inlet pipe and a water outlet pipe, wherein the upper mounting cavity is formed in the upper portion of the interior of the recovery tank, the water inlet pipe is fixedly mounted at the upper end of the right side surface of the recovery tank, the water inlet pipe is communicated with the upper mounting cavity, the water outlet pipe is fixedly mounted in the upper portion of the left side surface of the recovery tank, and the water outlet pipe is communicated with the upper mounting cavity.
Preferably, the gas guiding mechanism comprises a gas flow transmission box, the gas flow transmission box is fixedly connected and installed on the lower surface of the sealing partition plate, a first gas chamber is arranged in the gas flow transmission box, a second gas chamber is arranged in the gas flow transmission box and located at the inner side of the first gas chamber, a third gas chamber is arranged in the gas flow transmission box and located at the inner side of the second gas chamber, the first gas chamber, the second gas chamber and the third gas chamber are concentric, and the positions of the first gas chamber, the second gas chamber and the third gas chamber are corresponding to the positions of the gravity heat pipe;
the inner side of the first air chamber is fixedly connected with a first sealing plate for sealing, a first channel communicated with the second air chamber is formed in the first air chamber at one side of the first sealing plate, a second sealing plate for sealing is fixedly arranged at one side of the first channel at the inner side of the second air chamber, and a second channel is formed in the third air chamber at one side of the second sealing plate;
a first connecting port is formed in the lower surface of the air flow transmission box at one side of the first sealing plate, and a second connecting port is formed in the lower surface of the air flow transmission box at the lower position of the third air chamber;
the air inlet pipe is communicated with the first connecting port, and the air outlet pipe is communicated with the second connecting port.
Preferably, the cleaning mechanism comprises a plurality of mounting holes, the cavity extending tracks of the airflow transmission boxes with the mounting holes are formed in the bottom surface of the inside of the airflow transmission boxes, the inside of all the mounting holes is slidably connected with a mounting rod, the upper end of the mounting rod is fixedly connected with a cleaning scraping plate, the lower end of the mounting rod is fixedly connected with a lower mounting seat, the surface of the lower mounting seat is provided with a yielding groove of a yielding air inlet pipe and an yielding groove of an air outlet pipe, and the shape of the cleaning scraping plate is matched with the inner walls of the first air chamber, the second air chamber and the third air chamber;
the lower surface of the lower mounting seat is provided with a lifting mechanism for driving the lower mounting seat to move.
Preferably, the lifting mechanism comprises a driving motor and a driving screw rod, the driving motor is fixedly arranged on the left side of the lower surface of the recovery tank, the driving screw rod is arranged on the left side of the inner wall of the bottom end of the recovery tank in a rotating connection mode, the driving screw rod is positioned right above the driving motor, an output shaft of the driving motor is connected with the driving screw rod, the driving screw rod is connected with the lower mounting seat through threads, and the driving motor is electrically connected with the controller.
Preferably, the air flow blowing mechanism comprises an air compressor, a first air pipe and a first one-way electromagnetic valve, wherein the air compressor is fixedly arranged on the right side of the lower surface of the recovery tank, the first air pipe is arranged on the right side of the lower surface of the recovery tank and is positioned on the right side of the air compressor, the first air pipe is communicated with the air inlet pipe, and an air outlet of the air compressor is connected with the first air pipe through a pipeline; the right side of the air inlet pipe is fixedly provided with a first one-way electromagnetic valve, the inside of the first air pipe is provided with a second one-way electromagnetic valve, and the first one-way electromagnetic valve, the second one-way electromagnetic valve and the controller are electrically connected.
Preferably, an auxiliary mechanism for cleaning the gravity assisted heat pipe is arranged on the inner side of the scraper;
the auxiliary mechanism comprises a contact rod, a heat conduction fin and a mounting sleeve, the mounting sleeve is sleeved on the outer side of the gravity heat pipe, two sides of the mounting sleeve are respectively and rotatably connected with side mounting seats, the two side mounting seats are respectively and fixedly mounted on the inner walls of the first air chamber and the second air chamber, and the heat conduction fin is fixedly mounted on the outer side surface of the gravity heat pipe;
the surface of the mounting sleeve is provided with an opening, one side of the upper end of the mounting sleeve is fixedly communicated with a second air hole, and one side of the lower end of the mounting sleeve is fixedly communicated with a first air hole;
the surface of the mounting sleeve, which is close to the mounting sleeve, is also provided with a guide chute, the inside of the guide chute is connected with a contact rod in a sliding manner, and the contact rod is fixedly arranged on the side surface of the cleaning scraping plate;
the guiding chute consists of a straight chute at the upper end and a spiral chute at the lower end.
Preferably, the collecting mechanism comprises a sealing mechanism, a connecting air hole and a second air pipe, wherein the connecting air hole is formed in the middle position of the air flow transmission box, the second air pipe is fixedly installed on the surface of the air flow transmission box and located below the connecting air hole, a through hole for letting down the second air pipe is formed in the middle position of the lower installation seat, a discharge hole is formed in the middle position of the lower surface of the recovery tank, the lower end of the second air pipe penetrates through the discharge hole and is communicated with the storage box, and a filter plate for air flow outflow is installed on the side surface of the storage box.
Preferably, the sealing mechanism comprises a forward and reverse rotation motor, the forward and reverse rotation motor is arranged on the lower surface of the air flow transmission box in a fixed connection mode, the forward and reverse rotation motor is positioned at the middle position of the connecting air hole and the second connecting port, an output shaft at the upper end of the forward and reverse rotation motor is fixedly connected with a rotating shaft, one side of the rotating shaft is fixedly provided with a sealing disc, and the forward and reverse rotation motor is electrically connected with the controller.
Preferably, a limiting ring for limiting the sealing disc is arranged on one side of the surface of the air flow transmission box, which is positioned on the side of the connecting air hole and the second connecting port.
Compared with the prior art, the invention has the following beneficial effects:
the invention prolongs the flowing distance of the flue gas by arranging the gas guiding mechanism, and discharges the flue gas after contacting with all the gravity heat pipes, thereby being beneficial to better contacting with the gravity heat pipes in the flowing process of the heat-containing flue gas, prolonging the time of the flue gas staying in the channel relative to the horizontal flue, and being beneficial to prolonging the time of the flue gas in the channel and the gravity heat pipes kept in a space.
According to the invention, the cleaning mechanism is matched with the gas guiding mechanism, so that the smoke moves along the movement tracks of the first air chamber, the second air chamber and the third air chamber, and flows continuously in the direction switching process, and the impact force is generated between the air flow and the inner walls of the first air chamber, the second air chamber and the third air chamber in the direction switching process, thereby being beneficial to cleaning the sticky dust.
According to the invention, the auxiliary mechanism is arranged, when high-speed airflow blows, the airflow can enter through the second air hole at one side and then is discharged through the first air hole, and because the opening is sealed, the airflow can move along the spiral heat conduction fins inside the mounting sleeve, the multidirectional gravity heat pipes and the surface heat conduction fins are cleaned by the airflow, the airflow fully contacts the heat conduction fins and the gravity heat pipes along the spiral track, and the direction is continuously switched to flow, so that the airflow, the heat conduction fins and the gravity heat pipes generate impact force, and the cleaning of sticky dust is facilitated.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a front view structure of the present invention;
FIG. 3 is a cross-sectional view of the present invention taken along the line a-a in FIG. 2;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;
FIG. 5 is a schematic view of the cleaning blade of the present invention;
FIG. 6 is a cross-sectional view of the present invention taken along the line b-b in FIG. 2;
FIG. 7 is an enlarged view of a portion of the invention at B in FIG. 6;
FIG. 8 is a full cross-sectional view of the present invention;
FIG. 9 is an enlarged view of a portion of the invention at C in FIG. 8;
FIG. 10 is an enlarged view of a portion of the invention at D in FIG. 8;
FIG. 11 is a side view of the invention in full section;
FIG. 12 is an enlarged view of a portion of FIG. 11E in accordance with the present invention;
FIG. 13 is an enlarged view of a portion of FIG. 12 e in accordance with the present invention;
fig. 14 is a schematic view of the mounting structure of the mounting sleeve of the present invention.
In the figure: 1. a recovery tank; 101. a sealing separator; 102. a gravity assisted heat pipe; 103. a lower mounting cavity; 104. an upper mounting cavity; 2. a water inlet pipe; 201. a water outlet pipe; 3. an air inlet pipe; 301. an air outlet pipe; 4. an air compressor; 401. a first air tube; 402. a first one-way solenoid valve; 403. a second one-way solenoid valve; 5. an air flow transfer box; 501. a first air chamber; 502. a second air chamber; 503. a third air chamber; 504. a first sealing plate; 505. a first channel; 506. a second sealing plate; 507. a second channel; 508. a first connection port; 509. a second connection port; 6. a mounting hole; 601. a mounting rod; 602. cleaning a scraping plate; 603. a lower mounting seat; 7. a driving motor; 701. driving a screw rod; 8. a contact lever; 801. a heat conduction fin; 802. a mounting sleeve; 803. a side mount; 804. a guide chute; 805. a first air hole; 806. a second air hole; 807. an opening; 9. connecting air holes; 901. a second air pipe; 902. a storage box; 10. a discharge port; 11. a forward and reverse rotation motor; 1101. a sealing plate; 1102. a rotating shaft; 1103. a limiting ring; 12. and a controller.
Description of the embodiments
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The flue gas waste heat recycling device based on acid regeneration as shown in fig. 1 to 14 comprises a recycling tank 1, wherein a sealing partition plate 101 for sealing is fixedly connected to the middle position of the inside of the recycling tank 1, a first transmission mechanism for flue gas to enter is arranged below the sealing partition plate 101 in the recycling tank 1, a second transmission mechanism for low-temperature fluid to enter is arranged above the sealing partition plate 101 in the recycling tank 1, and gravity heat pipes 102 for heat transfer are fixedly connected to the surface of the sealing partition plate 101 in a circumferential array mode;
the lower surface of the sealing partition plate 101 is provided with a gas guiding mechanism for guiding the flow of the flue gas; the lower surface of the sealing partition plate 101 is also provided with a cleaning mechanism for removing dust attached to the surface of the gravity assisted heat pipe 102 in flue gas, the right side of the lower surface of the recovery tank 1 is provided with an air flow blowing mechanism for assisting cleaning, and the center position of the inner bottom end of the recovery tank 1 is provided with a collecting mechanism for collecting dust;
the upper surface of the sealing partition 101 is also provided with a controller 12 for starting the cleaning mechanism and the air flow blowing mechanism;
the flue gas generated by acid regeneration enters the lower end of the interior of the recovery tank 1 through the first transmission mechanism, the low-temperature fluid for heat exchange enters the upper end of the interior of the recovery tank 1 through the first transmission mechanism, heat in the flue gas at the lower end of the interior of the recovery tank 1 is transferred to the low-temperature fluid at the upper end of the interior of the recovery tank 1 through the gravity heat pipe 102, the flue gas enters the interior of the recovery tank 1 and then enters the gas guide mechanism for guiding flow, and after heat transfer is finished, dust attached to the surface of the gravity heat pipe 102 and the inner wall of the gas guide mechanism is cleaned through the cleaning mechanism, and the cleaned dust is collected by the collecting mechanism;
the specific working mode of the gravity assisted heat pipe 102 is as follows, it is to be noted that the interior of the gravity assisted heat pipe 102 is pumped into a negative pressure before being installed, a small amount of liquid is filled in the gravity assisted heat pipe 102, when the flue gas containing heat is heated at the lower end of the gravity assisted heat pipe 102, the space in the gravity assisted heat pipe 102 is in a negative pressure state, the working liquid in the gravity assisted heat pipe 102 absorbs external heat and is vaporized into steam, the steam flows to the upper end of the gravity assisted heat pipe 102 under the action of a tiny pressure difference, and releases heat to the outside and is condensed into liquid, the liquid returns to the heating end along the inner wall of the gravity assisted heat pipe 102 under the action of gravity, and is heated and vaporized again, and the circulation is repeated, so that the heat is continuously transferred from one end to the other end.
As a further embodiment of the present invention, the first transfer mechanism comprises a lower installation cavity 103, an air inlet pipe 3 and an air outlet pipe 301, the lower installation cavity 103 is opened below the inside of the recovery tank 1, the air inlet pipe 3 is fixedly installed at the lower end of the right side surface of the recovery tank 1, and the air outlet pipe 301 is fixedly installed at the right side surface of the recovery tank 1;
the second transmission mechanism comprises an upper installation cavity 104, a water inlet pipe 2 and a water outlet pipe 201, wherein the upper installation cavity 104 is arranged above the interior of the recovery tank 1, the water inlet pipe 2 is fixedly arranged at the upper end of the right side surface of the recovery tank 1, the water inlet pipe 2 is communicated with the upper installation cavity 104, the water outlet pipe 201 is fixedly arranged above the left side surface of the recovery tank 1, and the water outlet pipe 201 is communicated with the upper installation cavity 104;
the first transmission mechanism is used for transmitting flue gas, the second transmission mechanism is used for transmitting low-temperature fluid, the specific working mode is as follows, it is to be noted that the lower installation cavity 103 and the upper installation cavity 104 which are positioned in the recovery tank 1 are separated into two sealed parts by the sealing partition plate 101, in use, the flue gas containing heat enters the lower installation cavity 103 from the air inlet pipe 3 to contact with the gravity heat pipe 102 to transfer heat, and then is discharged from the air outlet pipe 301 after the end;
the low-temperature fluid for transferring heat enters the upper mounting cavity 104 from the water inlet pipe 2, contacts the gravity heat pipe 102 for heat conduction in the upper mounting cavity 104, and is discharged from the water outlet pipe 201;
as a further embodiment of the present invention, the gas guiding mechanism comprises a gas flow transmission box 5, the gas flow transmission box 5 is fixedly connected and installed on the lower surface of the sealing partition plate 101, a first gas chamber 501 is formed inside the gas flow transmission box 5, a second gas chamber 502 is formed inside the gas flow transmission box 5 at the inner side position of the first gas chamber 501, a third gas chamber 503 is formed inside the gas flow transmission box 5 at the inner side position of the second gas chamber 502, the first gas chamber 501, the second gas chamber 502 and the third gas chamber 503 are concentric, and the positions of the first gas chamber 501, the second gas chamber 502 and the third gas chamber 503 are corresponding to the positions of the gravity heat pipe 102;
the inner side of the first air chamber 501 is fixedly connected with a first sealing plate 504 used for sealing, a first channel 505 communicated with the second air chamber 502 is formed in the first air chamber 501 at one side position of the first sealing plate 504, a second sealing plate 506 used for sealing is fixedly arranged at one side position of the first channel 505 at the inner side of the second air chamber 502, and a second channel 507 is formed at one side position of the second sealing plate 506 at the inner side of the third air chamber 503;
a first connecting port 508 is formed on the lower surface of the air flow transmission box 5 at one side of the first sealing plate 504, and a second connecting port 509 is formed on the lower surface of the air flow transmission box 5 at the lower position of the third air chamber 503;
the air inlet pipe 3 is communicated with the first connecting port 508, and the air outlet pipe 301 is communicated with the second connecting port 509;
it should be noted that, through the gas guiding mechanism, the contact opportunity between the flue gas and the gravity assisted heat pipe 102 is increased, and the specific working mode is as follows:
in the use process, the flue gas containing heat entering from the air inlet pipe 3 firstly enters the first air chamber 501 through the first connecting port 508, the entering flue gas enters the second air chamber 502 through the first channel 505 after being blocked by the first sealing plate 504, and then enters the third air chamber 503 through the second channel 507 again after being blocked by the second sealing plate 506, and the flue gas containing heat is guided to flow along the first air chamber 501, the second air chamber 502 and the third air chamber 503 which are concentric in an annular shape in the entering process, and because the positions of the first air chamber 501, the second air chamber 502 and the third air chamber 503 and the gravity heat pipes 102 arranged in an annular array correspond to each other, the gravity heat pipes 102 are positioned in the channels with regular distribution, the flowing distance of the flue gas is prolonged, and the flue gas is discharged after being contacted with all the gravity heat pipes 102, so that the flue gas containing heat is better contacted with the gravity heat pipes 102 in the flowing process, and the time of the flue gas staying in the channels is increased relative to a horizontal flue, and the time of keeping the flue gas in the channels and the gravity heat pipes 102 in a space is facilitated;
the flue gas after heat transfer flows into the air outlet pipe 301 through the second connection port 509 below the third air chamber 503 and is discharged, the whole heat-containing flue gas flows only in the air flow transfer box 5 after entering, and dust in the flue gas only adheres to the inner wall of the air flow transfer box 5 and the surface of the gravity assisted heat pipe 102, so that the subsequent cleaning and collection are facilitated.
As a further embodiment of the invention, the cleaning mechanism comprises a plurality of mounting holes 6, the cavity extension track of the airflow transmission box 5 of the plurality of mounting holes 6 is arranged on the inner bottom surface of the airflow transmission box 5, the interiors of all the mounting holes 6 are slidably connected with a mounting rod 601, the upper end of the mounting rod 601 is fixedly connected with a cleaning scraping plate 602, the lower end of the mounting rod 601 is fixedly connected with a lower mounting seat 603, the surface of the lower mounting seat 603 is provided with a yielding groove of the yielding air inlet pipe 3 and the yielding groove of the air outlet pipe 301, and the shape of the cleaning scraping plate 602 is matched with the inner walls of the first air chamber 501, the second air chamber 502 and the third air chamber 503;
the lower surface of the lower mounting seat 603 is provided with a lifting mechanism for driving the lower mounting seat 603 to move;
it should be noted that, in the use process, the inner walls of the first air chamber 501, the second air chamber 502 and the third air chamber 503 in the air flow transmission box 5 can be cleaned by the cleaning mechanism, and the specific working mode is as follows, in the use process, after the heat exchange is finished, the lower mounting seat 603 is driven by the lifting mechanism to lift reciprocally, and in the process that the lower mounting seat 603 lifts reciprocally, the cleaning scraping plate 602 located at the upper end of the mounting rod 601 also lifts synchronously;
as shown in the figure, the cleaning blade 602 is in shape matching with the inner walls of the first air chamber 501, the second air chamber 502 and the third air chamber 503, and the cleaning blade 602 is in contact with the inner walls of the first air chamber 501, the second air chamber 502 and the third air chamber 503, and the contact cleaning blade 602 scrapes the inner walls of the first air chamber 501, the second air chamber 502 and the third air chamber 503 and cleans attached dust in the process of reciprocating lifting movement of the cleaning blade 602;
as a further embodiment of the invention, the lifting mechanism comprises a driving motor 7 and a driving screw rod 701, wherein the driving motor 7 is fixedly arranged on the left side of the lower surface of the recovery tank 1, the driving screw rod 701 is arranged on the left side of the inner wall of the bottom end of the recovery tank 1 in a rotating connection mode, the driving screw rod 701 is positioned right above the driving motor 7, the output shaft of the driving motor 7 is connected with the driving screw rod 701, the driving screw rod 701 is connected with the lower mounting seat 603 through threads, and the driving motor 7 is electrically connected with the controller 12;
it should be noted that, the movement of the lower mounting seat 603 is performed by the lifting mechanism, and the specific working mode is as follows, in the cleaning process, a first control signal is generated by the controller 12, and then the first control signal is sent to the driving motor 7, the driving motor 7 is started to drive the driving screw 701 to rotate, the driving screw 701 is in the rotating process, the lower mounting seat 603 in threaded connection with the surface descends along the driving screw 701 until the cleaning scraping plate 602 is attached to the inner wall of the bottom end of the air flow transmission box 5, and the driving motor 7 is closed;
similarly, when heat transfer is performed again, the controller 12 controls the start-up driving motor 7 so that the driving screw 701 is reversed and the cleaning blade 602 is reset.
As a further embodiment of the present invention, the air flow blowing mechanism comprises an air compressor 4, a first air pipe 401 and a first one-way electromagnetic valve 402, the air compressor 4 is fixedly installed on the right side of the lower surface of the recovery tank 1, the first air pipe 401 is arranged on the lower surface of the recovery tank 1 at the right side position of the air compressor 4, the first air pipe 401 is communicated with the air inlet pipe 3, and the air outlet of the air compressor 4 is connected with the first air pipe 401 through a pipeline;
the right side of the air inlet pipe 3 is fixedly provided with a first one-way electromagnetic valve 402, the inside of the first air pipe 401 is provided with a second one-way electromagnetic valve 403, and the first one-way electromagnetic valve 402 and the second one-way electromagnetic valve 403 are electrically connected with the controller 12;
it should be noted that, after the dust attached to the inner wall of the airflow transmission box 5 is scraped, a small amount of dust will scatter in the cavity inside the airflow transmission box 5, and the dust attached to the surface of the gravity heat pipe 102 is difficult to clean and collect, and the dust accumulated on the surface of the gravity heat pipe 102 will affect the heat transfer performance of the gravity heat pipe 102, and the dust scattered after being scraped can be collected by blowing strong airflow through the airflow blowing mechanism, which specifically works in the following manner;
in the process of entering the hot flue gas from the air inlet pipe 3, the first one-way electromagnetic valve 402 is controlled by the controller 12 to be in an open state, the second one-way electromagnetic valve 403 is controlled by the controller 12 to be in a closed state, and the hot flue gas enters the air flow transmission box 5 from the air inlet pipe 3;
after heat transfer is finished, the controller 12 sends a signal to the first one-way electromagnetic valve 402 to close the first one-way electromagnetic valve 402, and simultaneously sends a signal to the second one-way electromagnetic valve 403 to open the second one-way electromagnetic valve 403, at this time, smoke stops entering, then the controller 12 regenerates a signal to send to the air compressor, the air compressor 4 is opened, external air is pressurized into high-speed air flow, the high-speed air flow enters from the first air pipe 401, at this time, the outlet of the air inlet pipe 3 is sealed by the first one-way electromagnetic valve 402, the air flow enters the air inlet pipe 3 and moves again along the movement track of the previous smoke, dust in the air flow transfer box 5 is blown into the third air chamber 503 along the movement track of the previous smoke, so that subsequent collection is facilitated, the smoke moves along the movement tracks of the first air chamber 501, the second air chamber 502 and the third air chamber 503, and in the movement process, the air flow and the inner walls of the first air chamber 501, the second air chamber 502 and the third air chamber 503 are continuously switched to flow, and the process in the switching direction is summarized, so that impact force is generated, and the cleaning of the sticky dust is facilitated;
as a further embodiment of the invention, the inside of the cleaning blade 602 is provided with an auxiliary mechanism for cleaning the gravity assisted heat pipe 102;
the auxiliary mechanism comprises a contact rod 8, a heat conduction fin 801 and a mounting sleeve 802, the mounting sleeve 802 is sleeved on the outer side of the gravity heat pipe 102, two sides of the mounting sleeve 802 are rotatably connected with side mounting seats 803, the two side mounting seats 803 are respectively and fixedly mounted on the inner walls of the first air chamber 501 and the second air chamber 502, and the heat conduction fin 801 is fixedly mounted on the outer side surface of the gravity heat pipe 102;
an opening 807 is formed in the surface of the mounting sleeve 802, a second air hole 806 is fixedly communicated with one side of the upper end of the mounting sleeve 802, and a first air hole 805 is fixedly communicated with one side of the lower end of the mounting sleeve 802;
the surface of the mounting sleeve 802 close to the cleaning scraper 602 is also provided with a guide chute 804, a contact rod 8 is connected inside the guide chute 804 in a sliding manner, and the contact rod 8 is fixedly arranged on the side surface of the cleaning scraper 602;
the guide chute 804 consists of a straight chute at the upper end and a spiral chute at the lower end;
it should be noted that, although the dust attached to the inner walls of the airflow transfer box 5 and the gravity assisted heat pipe 102 can be blown off by the low-speed movement of the previous flue gas by the high-speed airflow, the leeward surface of the gravity assisted heat pipe 102 is difficult to contact with the airflow due to the single airflow direction, and the specific working mode of the technical scheme can solve the problems as follows:
during the heat transfer process, as shown in fig. 14, because the contact rod 8 is in the straight groove at the upper end of the guide chute 804, the mounting sleeve 802 is maintained as in fig. 14, the opening 807 faces the flow direction of the air flow, and the first air holes 805 and the second air holes 806 are positioned at two sides, in this state, when the air flow containing heat enters, the air flow containing heat passes through the opening 807, and is in full contact with the heat conducting fins 801 inside the mounting sleeve 802, so that the heat transfer is facilitated;
in the cleaning process, the cleaning scraping plate 602 is driven by the lifting mechanism to move downwards, in the process, the contact rod 8 positioned on the cleaning scraping plate 602 moves downwards synchronously, the contact rod 8 enters a spiral groove at the lower end from a straight groove at the upper end along the guide chute 804, the spiral angle of the spiral groove is one quarter circle, the mounting sleeve 802 is rotated by 90 degrees in the process that the contact rod 8 moves along the spiral groove, the opening 807 also rotates by 90 degrees, the opening 807 is rotated to be contacted with side mounting seats 803 at two sides, the opening 807 is sealed by the side mounting seats 803, and the first air holes 805 and the second air holes 806 originally positioned at two sides move to the position of the original opening 807 after the mounting sleeve 802 rotates by 90 degrees and are opposite to high-speed air flow;
when the high-speed air flow blows, the air flow enters from the second air hole 806 at one side and is discharged from the first air hole 805, and because the opening 807 is sealed, the air flow moves along the spiral heat conduction fins 801 in the mounting sleeve 802, the heat conduction fins 801 on the surface and the gravity heat pipes 102 are cleaned by utilizing the multidirectional air flow, the air flow fully contacts the heat conduction fins 801 and the gravity heat pipes 102 along the spiral track, and the direction is continuously switched to flow, so that the air flow, the heat conduction fins 801 and the gravity heat pipes 102 generate impact force, and the cleaning of sticky dust is facilitated; the air flow in the third air chamber 503 forms a spiral air flow after passing through the first air chamber 501 and the second air chamber 502, so as to clean the surface of the gravity assisted heat pipe 102 in the third air chamber 503.
As a further embodiment of the invention, the collecting mechanism comprises a sealing mechanism, a connecting air hole 9 and a second air pipe 901, wherein the connecting air hole 9 is formed in the middle position of the air flow transmission box 5, the second air pipe 901 is fixedly arranged on the surface of the air flow transmission box 5 and is positioned below the connecting air hole 9, a through hole for letting the second air pipe 901 out is formed in the middle position of the lower mounting seat 603, a discharge hole 10 is formed in the middle position of the lower surface of the recovery tank 1, the lower end of the second air pipe 901 passes through the discharge hole 10 and is communicated with the storage box 902, and a filter plate for flowing out of air flow is arranged on the side surface of the storage box 902;
during the heat transfer, after the air flow of the mixed dust enters the storage box 902, the excessive air flow is ejected from the filter plate, and the dust remains in the storage box 902.
As a further embodiment of the present invention, the sealing mechanism comprises a forward and reverse rotation motor 11, the forward and reverse rotation motor 11 is installed on the lower surface of the airflow transmission box 5 in a fixed connection manner, the forward and reverse rotation motor 11 is located at the middle position of the connecting air hole 9 and the second connecting port 509, an output shaft at the upper end of the forward and reverse rotation motor 11 is fixedly connected with a rotation shaft 1102, one side of the rotation shaft 1102 is fixedly provided with a sealing disc 1101, and the forward and reverse rotation motor 11 is electrically connected with the controller 12;
it should be noted that, in the initial state, the sealing disk 1101 rotates to the upper side of the connecting air hole 9, the connecting air hole 9 is sealed, the second connecting port 509 is in an open state, the hot flue gas is discharged from the second connecting port 509, after the heat transfer is finished, the sealing disk 1101 is driven to rotate 180 ° along the rotating shaft 1102 by opening the forward and reverse rotation motor 11, at this time, the sealing disk 1101 seals the second connecting port 509, the connecting air hole 9 is opened, and then the high-speed air flow containing dust enters the second air pipe 901 from the connecting air hole 9, so that the subsequent collection is facilitated;
it should be noted that, when the controller 12 controls the opening and closing of the forward and reverse rotation motor 11, during the heat transfer process, the controller 12 sends a signal to the forward and reverse rotation motor 11 to rotate the sealing disk 1101 above the connecting air hole 9, and similarly, when the heat transfer is completed, the controller 12 sends a signal to the forward and reverse rotation motor 11 to drive the sealing disk 1101 to rotate 180 ° along the rotation shaft 1102, and the sealing disk 1101 seals the second connection port 509.
As a further embodiment of the present invention, a stopper 1103 for stopping the sealing disk 1101 is installed on the surface of the air flow transmission case 5 at the side connecting the air hole 9 and the second connection port 509.
The working principle of the invention is as follows:
the flue gas containing heat entering from the air inlet pipe 3 firstly enters the first air chamber 501 through the first connecting port 508, the entering flue gas enters the second air chamber 502 through the first channel 505 after being blocked by the first sealing plate 504, and then enters the third air chamber 503 through the second channel 507 again after being blocked by the second sealing plate 506, the flue gas containing heat is guided to flow along the first air chamber 501, the second air chamber 502 and the third air chamber 503 which are concentric in an annular shape in the entering process, and the positions of the first air chamber 501, the second air chamber 502 and the third air chamber 503 and the gravity heat pipes 102 arranged in an annular array correspond to each other, so that the gravity heat pipes 102 are positioned in the channels with regular distribution, the flowing distance of the flue gas is prolonged, and the flue gas is discharged after being contacted with all the gravity heat pipes 102, thereby being beneficial to better contact with the gravity heat pipes 102 in the flowing process, and increasing the time of the flue gas staying in the channels relative to the horizontal flue gas, and being beneficial to increasing the time of keeping the flue gas in the channels and the gravity heat pipes 102 in a space;
after heat transfer is finished, the controller 12 sends a signal to the first one-way electromagnetic valve 402 to close the first one-way electromagnetic valve 402, and simultaneously sends a signal to the second one-way electromagnetic valve 403 to open the second one-way electromagnetic valve 403, at this time, smoke stops entering, then the controller 12 regenerates a signal to send to the air compressor, the air compressor 4 is opened, external air is pressurized into high-speed air flow, the high-speed air flow enters from the first air pipe 401, at this time, the outlet of the air inlet pipe 3 is sealed by the first one-way electromagnetic valve 402, the air flow enters the air inlet pipe 3 and moves again along the movement track of the previous smoke, dust in the air flow transfer box 5 is blown into the third air chamber 503 along the movement track of the previous smoke, so that subsequent collection is facilitated, the smoke moves along the movement tracks of the first air chamber 501, the second air chamber 502 and the third air chamber 503, and in the movement process, the air flow and the inner walls of the first air chamber 501, the second air chamber 502 and the third air chamber 503 are continuously switched to flow, and the process in the switching direction is summarized, so that impact force is generated, and the cleaning of the sticky dust is facilitated;
in the cleaning process, the cleaning scraping plate 602 is driven by the lifting mechanism to move downwards, in the process, the contact rod 8 positioned on the cleaning scraping plate 602 moves downwards synchronously, the contact rod 8 enters a spiral groove at the lower end from a straight groove at the upper end along the guide chute 804, the spiral angle of the spiral groove is one quarter circle, the mounting sleeve 802 is rotated by 90 degrees in the process that the contact rod 8 moves along the spiral groove, the opening 807 also rotates by 90 degrees, the opening 807 is rotated to be contacted with side mounting seats 803 at two sides, the opening 807 is sealed by the side mounting seats 803, and the first air holes 805 and the second air holes 806 originally positioned at two sides move to the position of the original opening 807 after the mounting sleeve 802 rotates by 90 degrees and are opposite to high-speed air flow;
when the high-speed air flow blows, the air flow enters from the second air hole 806 at one side and is discharged from the first air hole 805, and because the opening 807 is sealed, the air flow moves along the spiral heat conduction fins 801 in the mounting sleeve 802, the heat conduction fins 801 on the surface and the gravity heat pipes 102 are cleaned by utilizing the multidirectional air flow, the air flow fully contacts the heat conduction fins 801 and the gravity heat pipes 102 along the spiral track, and the direction is continuously switched to flow, so that the air flow, the heat conduction fins 801 and the gravity heat pipes 102 generate impact force, and the cleaning of sticky dust is facilitated;
the air flow in the third air chamber 503 forms a spiral air flow after passing through the first air chamber 501 and the second air chamber 502, so as to clean the surface of the gravity assisted heat pipe 102 in the third air chamber 503.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims.
Claims (4)
1. The utility model provides a flue gas waste heat recovery utilizes equipment based on acid regeneration, includes recovery tank (1), its characterized in that: a sealing partition plate (101) for sealing is fixedly connected to the middle position of the inside of the recovery tank (1), a first transmission mechanism for flue gas to enter is arranged below the sealing partition plate (101) in the inside of the recovery tank (1), a second transmission mechanism for low-temperature fluid to enter is arranged above the sealing partition plate (101) in the inside of the recovery tank (1), and gravity heat pipes (102) for heat transfer are fixedly connected to the surface of the sealing partition plate (101) in a circumferential array mode;
the lower surface of the sealing partition plate (101) is provided with a gas guiding mechanism for guiding the flow of the flue gas;
the lower surface of the sealing partition plate (101) is also provided with a cleaning mechanism for removing dust attached to the surface of the gravity heat pipe (102) in flue gas, the right side of the lower surface of the recovery tank (1) is provided with an air flow blowing mechanism for assisting cleaning, and the center position of the inner bottom end of the recovery tank (1) is provided with a collecting mechanism for collecting dust;
the upper surface of the sealing partition plate (101) is also provided with a controller (12) for starting the cleaning mechanism and the air flow blowing mechanism;
the first transmission mechanism comprises a lower mounting cavity (103), an air inlet pipe (3) and an air outlet pipe (301), wherein the lower mounting cavity (103) is arranged below the inside of the recovery tank (1), the air inlet pipe (3) is fixedly arranged at the lower end of the right side surface of the recovery tank (1), and the air outlet pipe (301) is fixedly arranged on the right side surface of the recovery tank (1);
the second transmission mechanism comprises an upper mounting cavity (104), a water inlet pipe (2) and a water outlet pipe (201), wherein the upper mounting cavity (104) is formed above the inside of the recovery tank (1), the water inlet pipe (2) is fixedly mounted at the upper end of the right side surface of the recovery tank (1), the water inlet pipe (2) is communicated with the upper mounting cavity (104), the water outlet pipe (201) is fixedly mounted above the left side surface of the recovery tank (1), and the water outlet pipe (201) is communicated with the upper mounting cavity (104);
the gas guiding mechanism comprises a gas flow transmission box (5), the gas flow transmission box (5) is fixedly connected and installed on the lower surface of the sealing partition plate (101), a first gas chamber (501) is formed in the gas flow transmission box (5), a second gas chamber (502) is formed in the gas flow transmission box (5) at the inner side of the first gas chamber (501), a third gas chamber (503) is formed in the gas flow transmission box (5) at the inner side of the second gas chamber (502), the first gas chamber (501), the second gas chamber (502) and the third gas chamber (503) are concentric, and the positions of the first gas chamber (501), the second gas chamber (502) and the third gas chamber (503) are corresponding to the positions of the gravity heat pipe (102);
the inner side of the first air chamber (501) is fixedly connected with a first sealing plate (504) for sealing, a first channel (505) communicated with the second air chamber (502) is formed in the first air chamber (501) at one side of the first sealing plate (504), a second sealing plate (506) for sealing is fixedly mounted at one side of the first channel (505) at the inner side of the second air chamber (502), and a second channel (507) is formed at one side of the second sealing plate (506) at the inner side of the third air chamber (503);
a first connecting port (508) is formed in the position, located on one side of the first sealing plate (504), of the lower surface of the air flow transmission box (5), and a second connecting port (509) is formed in the position, located below the third air chamber (503), of the lower surface of the air flow transmission box (5);
the air inlet pipe (3) is communicated with the first connecting port (508), and the air outlet pipe (301) is communicated with the second connecting port (509);
the cleaning mechanism comprises a plurality of mounting holes (6), wherein the cavity extending tracks of the air flow transmission box (5) are formed in the inner bottom surface of the air flow transmission box (5), all the inside of the mounting holes (6) are slidably connected with mounting rods (601), the upper ends of the mounting rods (601) are fixedly connected with cleaning scraping plates (602), the lower ends of the mounting rods (601) are fixedly connected with lower mounting seats (603), the surfaces of the lower mounting seats (603) are provided with abdicating grooves for abdicating the air inlet pipes (3) and the air outlet pipes (301), and the shapes of the cleaning scraping plates (602) are matched with the inner walls of the first air chambers (501), the second air chambers (502) and the third air chambers (503);
the lower surface of the lower mounting seat (603) is provided with a lifting mechanism for driving the lower mounting seat (603) to move;
the lifting mechanism comprises a driving motor (7) and a driving screw rod (701), the driving motor (7) is fixedly arranged on the left side of the lower surface of the recovery tank (1), the driving screw rod (701) is arranged on the left side of the inner wall of the bottom end of the recovery tank (1) in a rotating connection mode, the driving screw rod (701) is positioned right above the driving motor (7), an output shaft of the driving motor (7) is connected with the driving screw rod (701), the driving screw rod (701) is connected with a lower mounting seat (603) through threads, and the driving motor (7) is electrically connected with a controller (12);
the air flow blowing mechanism comprises an air compressor (4), a first air pipe (401) and a first one-way electromagnetic valve (402), the air compressor (4) is fixedly arranged on the right side of the lower surface of the recovery tank (1), the first air pipe (401) is arranged on the right side of the air compressor (4) on the lower surface of the recovery tank (1), the first air pipe (401) is communicated with the air inlet pipe (3), and an air outlet of the air compressor (4) is connected with the first air pipe (401) through a pipeline;
a first one-way electromagnetic valve (402) is fixedly arranged on the right side of the air inlet pipe (3), a second one-way electromagnetic valve (403) is arranged in the first air pipe (401), and the first one-way electromagnetic valve (402) and the second one-way electromagnetic valve (403) are electrically connected with the controller (12);
the cleaning scraper (602) comprises a cleaning scraper, wherein an auxiliary mechanism for cleaning a gravity assisted heat pipe (102) is arranged on the inner side of the cleaning scraper, the auxiliary mechanism comprises a contact rod (8), a heat conducting fin (801) and a mounting sleeve (802), the mounting sleeve (802) is sleeved on the outer side of the gravity assisted heat pipe (102), side mounting seats (803) are rotatably connected to the two sides of the mounting sleeve (802), the two side mounting seats (803) are respectively and fixedly mounted on the inner walls of the first air chamber (501) and the second air chamber (502), and the heat conducting fin (801) is fixedly mounted on the outer side surface of the gravity assisted heat pipe (102);
an opening (807) is formed in the surface of the mounting sleeve (802), a second air hole (806) is fixedly communicated with one side of the upper end of the mounting sleeve (802), and a first air hole (805) is fixedly communicated with one side of the lower end of the mounting sleeve (802);
the surface, close to the mounting sleeve (802), of the cleaning scraper (602) is further provided with a guide chute (804), a contact rod (8) is connected inside the guide chute (804) in a sliding manner, and the contact rod (8) is fixedly mounted on the side surface of the cleaning scraper (602);
the guide chute (804) consists of a straight chute at the upper end and a spiral chute at the lower end.
2. The acid regeneration-based flue gas waste heat recycling device according to claim 1, wherein: the collecting mechanism comprises a sealing mechanism, a connecting air hole (9) and a second air pipe (901), wherein the connecting air hole (9) is formed in the middle position of the air flow transmission box (5), the second air pipe (901) is fixedly installed on the surface of the air flow transmission box (5) and located below the connecting air hole (9), a through hole for the second air pipe (901) is formed in the middle position of the lower mounting seat (603), a discharge hole (10) is formed in the middle position of the lower surface of the recovery tank (1), the lower end of the second air pipe (901) penetrates through the discharge hole (10) and the storage box (902) to be communicated, and a filter plate for air flow outflow is installed on the side surface of the storage box (902).
3. The acid regeneration-based flue gas waste heat recycling device according to claim 2, wherein: the sealing mechanism comprises a forward and reverse rotation motor (11), the forward and reverse rotation motor (11) is installed on the lower surface of the air flow transmission box (5) in a fixed connection mode, the forward and reverse rotation motor (11) is located at the middle position of the connecting air hole (9) and the second connecting port (509), an output shaft at the upper end of the forward and reverse rotation motor (11) is fixedly connected with a rotating shaft (1102), a sealing disc (1101) is fixedly installed on one side of the rotating shaft (1102), and the forward and reverse rotation motor (11) is electrically connected with the controller (12).
4. A flue gas waste heat recovery and utilization device based on acid regeneration according to claim 3, wherein: and a limiting ring (1103) for limiting the sealing disc (1101) is arranged on one side of the surface of the air flow transmission box (5) positioned on the connecting air hole (9) and the second connecting port (509).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310852307.3A CN116642355B (en) | 2023-07-12 | 2023-07-12 | Flue gas waste heat recycling equipment based on acid regeneration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310852307.3A CN116642355B (en) | 2023-07-12 | 2023-07-12 | Flue gas waste heat recycling equipment based on acid regeneration |
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| CN116642355A CN116642355A (en) | 2023-08-25 |
| CN116642355B true CN116642355B (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310852307.3A Active CN116642355B (en) | 2023-07-12 | 2023-07-12 | Flue gas waste heat recycling equipment based on acid regeneration |
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| GB594826A (en) * | 1944-12-30 | 1947-11-20 | Charles Sangster | Improvements in or relating to apparatus for use in the canning of food-stuffs |
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| JPH0642893A (en) * | 1991-11-25 | 1994-02-18 | Norsk Hydro As | Cleaner for heat exchanger |
| CN106918242A (en) * | 2017-04-18 | 2017-07-04 | 于浩 | A kind of flue gas processing device of chemical industry smelting equipment |
| JP2019074227A (en) * | 2017-10-12 | 2019-05-16 | 日立造船株式会社 | Cleaning mechanism |
| CN210512783U (en) * | 2019-07-24 | 2020-05-12 | 苏州邦提克智能科技有限公司 | Gas heat exchange device for high-temperature printing and dyeing waste gas treatment |
| CN113701181A (en) * | 2021-08-20 | 2021-11-26 | 何光辉 | High-temperature flue gas waste heat recycling device |
| CN215900955U (en) * | 2021-09-17 | 2022-02-25 | 安徽明达外加剂有限公司 | Polycarboxylate water reducing agent liquid drying device |
| CN115235267A (en) * | 2022-07-01 | 2022-10-25 | 扬州大学 | Steam-water separation device with waste heat recovery function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090188648A1 (en) * | 2008-01-29 | 2009-07-30 | Chien-Chung Tao | Heat Exchanger |
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2023
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB594826A (en) * | 1944-12-30 | 1947-11-20 | Charles Sangster | Improvements in or relating to apparatus for use in the canning of food-stuffs |
| GB982646A (en) * | 1963-02-06 | 1965-02-10 | Sulzer Ag | Heat exchangers disposed in pressure vessels of circular cross-section |
| JPH0642893A (en) * | 1991-11-25 | 1994-02-18 | Norsk Hydro As | Cleaner for heat exchanger |
| CN106918242A (en) * | 2017-04-18 | 2017-07-04 | 于浩 | A kind of flue gas processing device of chemical industry smelting equipment |
| JP2019074227A (en) * | 2017-10-12 | 2019-05-16 | 日立造船株式会社 | Cleaning mechanism |
| CN210512783U (en) * | 2019-07-24 | 2020-05-12 | 苏州邦提克智能科技有限公司 | Gas heat exchange device for high-temperature printing and dyeing waste gas treatment |
| CN113701181A (en) * | 2021-08-20 | 2021-11-26 | 何光辉 | High-temperature flue gas waste heat recycling device |
| CN215900955U (en) * | 2021-09-17 | 2022-02-25 | 安徽明达外加剂有限公司 | Polycarboxylate water reducing agent liquid drying device |
| CN115235267A (en) * | 2022-07-01 | 2022-10-25 | 扬州大学 | Steam-water separation device with waste heat recovery function |
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| Publication number | Publication date |
|---|---|
| CN116642355A (en) | 2023-08-25 |
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