CN114992747B - Fresh air heat recovery device for ultralow-energy-consumption building and application method of fresh air heat recovery device - Google Patents
Fresh air heat recovery device for ultralow-energy-consumption building and application method of fresh air heat recovery device Download PDFInfo
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- CN114992747B CN114992747B CN202210667078.3A CN202210667078A CN114992747B CN 114992747 B CN114992747 B CN 114992747B CN 202210667078 A CN202210667078 A CN 202210667078A CN 114992747 B CN114992747 B CN 114992747B
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- filter screen
- fixedly connected
- cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/90—Cleaning of purification apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention relates to the technical field of heat recovery fresh air fans, in particular to a fresh air heat recovery device for an ultralow energy consumption building and a using method thereof.
Description
Technical Field
The invention relates to the technical field of heat recovery fresh air fans, in particular to a fresh air heat recovery device for an ultralow-energy-consumption building and a use method thereof.
Background
The heat recovery fresh air machine is a device for reducing indoor cold and hot loads by utilizing recovered exhaust air heat (cold energy), not only can introduce outdoor fresh air, but also greatly reduces energy consumption, is environment-friendly and energy-saving, so that the demand for a fresh air heat recovery device for ultra-low energy consumption buildings and a use method thereof is increasing, most of fresh air heat recovery devices existing in the market at present need to replace a filter screen in the actual use process, and particularly the filter screen needs to be frequently replaced under the condition of severe environment, so that the fresh air heat recovery device for the ultra-low energy consumption buildings and the use method thereof are provided for the problems.
Disclosure of Invention
The invention aims to provide a fresh air heat recovery device for an ultralow-energy-consumption building and a using method thereof, so that the fresh air heat recovery device can automatically clean a filter screen in the actual use process, and the problem that the filter screen needs to be replaced is effectively avoided.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a fresh air heat recovery device for ultralow energy consumption building and application method thereof, includes ventilation case, clean case, air-supply line and unpowered fan, ventilation case right-hand member downside fixedly connected with clean case, ventilation case right side top fixedly connected with air-supply line, the air-supply line upper end is connected with unpowered fan through the connecting pipe, clean case inboard is connected with the filter screen through running roller on the filter screen and the running roller of filter screen lower roll rotation, the dewatering running roller that the side set up in the middle of the filter screen passes through the fixed bolster to be fixed in the position in the middle of the clean case, clean case bottom inboard rotates and is connected with clean running roller, clean running roller and the running roller left end outside of filter screen are fixedly connected with first gear and second gear respectively, first gear upper end meshing has the second gear, running roller left end and driving motor main shaft fixedly connected together under the filter screen, clean case bottom is equipped with water inlet and delivery port.
Preferably, the ventilation box left end face fixedly connected with inner tube, ventilation box left end outside fixedly connected with closing plate, closing plate right side fixedly connected with is sealed to be filled up, ventilation box left end outside is equipped with cardboard and lower cardboard, the second screw hole has been seted up to the cardboard inboard down, go up the cardboard inboard and pass second fixing screw and link together with lower cardboard, link together through second screw hole screwed connection between second fixing screw bottom and the lower cardboard, go up the equal fixedly connected with rubber pad of one end that cardboard and lower cardboard are close to the ventilation box, go up cardboard and lower cardboard and all be the setting of "U".
Preferably, a first threaded hole is formed in the inner side of the right end of the cleaning box, the right end of the cleaning box is fixedly connected with a cleaning box cover plate through a first fixing screw rod, and the first fixing screw rod penetrates through the cleaning box cover plate and is connected with the cleaning box through the first threaded hole in a threaded mode.
Preferably, telescopic link standing grooves are formed in the front end face and the inner side of the rear end face of the ventilation box, a controller and a fixed block are fixedly connected to the inner side of the telescopic link standing groove, a bidirectional electric telescopic rod is fixedly connected to the fixed block, a movable rod is fixedly connected to the upper end and the lower end of the bidirectional electric telescopic rod, an extrusion plate is fixedly connected to the top end of the movable rod, and a pressure sensor is fixedly connected to the inner side of the pressure sensor standing groove formed in the inner side of the extrusion plate.
Preferably, the controller is electrically connected with the bidirectional electric telescopic rod and the pressure sensor.
Preferably, the driving motor is arranged at the rear end of the cleaning box, and the driving motor is fixedly connected with the rear end face of the cleaning box through the motor bracket.
Preferably, the inboard fixedly connected with limiting plate of ventilation case right-hand member, the limiting plate is the setting of "U", the limiting plate inboard rotates through sealed strake and filter screen and links together, the filter screen is annular setting, sealed strake fixed connection is in the position of filter screen both sides edge.
Preferably, the position of the right end of the ventilating box is communicated with the cleaning box, and the inside of the ventilating box is communicated with the inner pipeline, the air inlet pipe, the connecting pipe and the unpowered fan.
Preferably, step one: install the ventilation case inboard and control two-way electric telescopic handle promotes the movable rod and makes the stripper plate remove and make its and the stable connection of wall body be in the same place, then fix the position outside the ventilation case right-hand member with last cardboard and lower cardboard, can seal ventilation case and wall connection department like this.
Step two: and connecting and fixing the plurality of unpowered fans with the ventilating box through the connecting pipes and the air inlet pipe.
Step three: through the position water injection of water inlet to clean bottom of the case portion, then control driving motor drives filter screen lower running roller and rotates, and filter screen lower running roller can drive the filter screen and rotate at pivoted in-process, and filter screen lower running roller can drive clean running roller through first gear and second gear rotation at pivoted in-process and clean the filter screen, can carry out the setting of dewatering to the filter screen through the dewatering running roller that sets up simultaneously.
Step four: and opening the water outlet to empty the water in the cleaning box, closing the water outlet, and filling water into the cleaning box through the water inlet to finish the replacement of the cleaning water.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the filter screen, the lower roller of the filter screen, the driving motor and the cleaning box are arranged, so that the device can clean the filter screen continuously in the actual use process, and the problem that the filter screen needs to be replaced in the actual use process of the original device is solved;
2. according to the invention, through the cleaning box, the water outlet and the water inlet, the device can replace cleaning water at a lower position, so that the problems that the original device is troublesome in replacement when the filter screen is replaced at a high position and potential safety hazards (the situation that the filter screen is easy to fall when standing at the high position) are solved;
3. according to the invention, the device can be stably and rapidly installed in the wall body for fixing through the bidirectional electric telescopic rod, the extruding plate and the pressure sensor, so that the problems of complicated installation and poor stability when the original device is installed in the wall body are solved;
4. according to the invention, the sealing plate, the upper clamping plate and the lower clamping plate are arranged, so that the device can seal the joint of the ventilating box and the wall body in the actual use process, and the problems that the prior device does not have the sealing effect on the joint of the ventilating box and the wall body and the sealing effect is troublesome are solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1A according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1B according to the present invention;
FIG. 4 is a schematic view of the structure of FIG. 1 at C according to the present invention;
FIG. 5 is a schematic view showing the internal structure of the cleaning tank of the present invention;
FIG. 6 is a schematic view of the structure of FIG. 5D according to the present invention;
fig. 7 is a schematic view of the installation position of the limiting plate according to the present invention.
In the figure: 1-ventilation box, 2-inner pipeline, 3-sealing plate, 4-sealing gasket, 5-cleaning box, 6-cleaning box cover plate, 7-first fixed screw, 8-water inlet, 9-second fixed screw, 10-extrusion plate, 11-air inlet pipe, 12-connecting pipe, 13-unpowered fan, 14-limiting plate, 15-filter screen, 16-dewatering roller, 17-fixed support, 18-filter screen roller, 19-sealing edge strip, 20-first threaded hole, 21-filter screen lower roller, 22-water outlet, 23-cleaning roller, 24-first gear, 25-driving motor, 26-motor support, 27-second gear, 28-upper clamping plate, 29-lower clamping plate, 30-rubber pad, 31-second threaded hole, 32-moving rod, 33-bidirectional electric telescopic rod, 34-fixed block, 35-telescopic rod placing groove, 36-controller, 37-pressure sensor placing groove and 38-pressure sensor.
Detailed Description
Example 1:
referring to fig. 1-7, the present invention provides a technical solution:
the utility model provides a fresh air heat recovery device for ultralow energy consumption building and application method thereof, including ventilation case 1, clean case 5, air-supply line 11 and unpowered fan 13, ventilation case 1 right-hand member downside fixedly connected with clean case 5, ventilation case 1 right side top fixedly connected with air-supply line 11, the upper end of air-supply line 11 is connected with unpowered fan 13 through connecting pipe 12, clean case 5 inboard is connected with filter screen 15 through filter screen running roller 18 and filter screen running roller 21 rotation, the dewatering running roller 16 that the side set up in the middle of the filter screen 15 passes through fixed bolster 17 to be fixed in the position in the middle of clean case 5, clean case 5 bottom inboard rotates and is connected with clean running roller 23, clean running roller 23 and filter screen running roller 21 left end outside fixedly connected with first gear 24 and second gear 27 respectively, first gear 24 upper end meshing has second gear 27, filter screen running roller 21 left end and driving motor 25 main shaft fixedly connect together, clean case 5 bottom is equipped with water inlet 8 and delivery port 22.
The inner pipeline 2 is fixedly connected to the left end face of the ventilation box 1, the sealing plate 3 is fixedly connected to the outer side of the left end of the ventilation box 1, the sealing gasket 4 is fixedly connected to the right side of the sealing plate 3, the upper clamping plate 28 and the lower clamping plate 29 are arranged on the outer side of the left end of the ventilation box 1, the second threaded hole 31 is formed in the inner side of the lower clamping plate 29, the inner side of the upper clamping plate 28 penetrates through the second fixing screw 9 and is connected with the lower clamping plate 29, the bottom end of the second fixing screw 9 is connected with the lower clamping plate 29 through the second threaded hole 31 in a spiral manner, the rubber gasket 30 is fixedly connected to one ends, close to the ventilation box 1, of the upper clamping plate 28 and the lower clamping plate 29, which are arranged in a U-shaped manner, and the position, where the ventilation box 1 is connected with a wall, can be sealed in the actual use process; the inner side of the right end of the cleaning box 5 is provided with a first threaded hole 20, the right end of the cleaning box 5 is fixedly connected with a cleaning box cover plate 6 through a first fixing screw 7, and the first fixing screw 7 passes through the cleaning box cover plate 6 and is spirally connected with the cleaning box 5 through the first threaded hole 20, so that the cleaning box 5 can be sealed; the inner sides of the front end face and the rear end face of the ventilation box 1 are respectively provided with a telescopic rod placing groove 35, the inner sides of the telescopic rod placing grooves 35 are fixedly connected with a controller 36 and a fixed block 34, the fixed block 34 is fixedly connected with a bidirectional electric telescopic rod 33, the upper end and the lower end of the bidirectional electric telescopic rod 33 are respectively fixedly connected with a movable rod 32, the top end of the movable rod 32 is respectively fixedly connected with a squeeze plate 10, and the inner sides of pressure sensor placing grooves 37 formed in the inner sides of the squeeze plates 10 are respectively fixedly connected with a pressure sensor 38, so that the ventilation box 1 and a wall body can be stably connected together in the actual installation process; the controller 36 is electrically connected with the bidirectional electric telescopic rod 33 and the pressure sensor 38, so that the electric connection has stability in the actual use process; the driving motor 25 is arranged at the rear end of the cleaning box 5, and the driving motor 25 is fixedly connected with the rear end surface of the cleaning box 5 through a motor bracket 26, so that power is provided for the rotation of the filter screen 15; the inner side of the right end of the ventilation box 1 is fixedly connected with a limiting plate 14, the limiting plate 14 is U-shaped, the inner side of the limiting plate 14 is rotationally connected with a filter screen 15 through a sealing edge strip 19, the filter screen 15 is annular, the sealing edge strip 19 is fixedly connected to the positions of the edges of the two sides of the filter screen 15, and the stability of the filter screen 15 in the rotation process is effectively improved; the position of the right end of the ventilation box 1 and the cleaning box 5 are communicated, and the inside of the ventilation box 1, the inner pipeline 2, the air inlet pipe 11, the connecting pipe 12 and the unpowered fan 13 are communicated, so that the stability of the whole structure of the device is effectively improved in the actual use process.
The working flow is as follows: when the fresh air heat recovery device for the ultra-low energy consumption building is required to be installed and used, firstly, the ventilating box 1 is required to be installed on the inner side of a wall body, the bidirectional electric telescopic rod 33 is controlled to push the moving rod 32 so that the extruding plate 10 is stably connected with the wall body, then the upper clamping plate 28 and the lower clamping plate 29 are fixed at the position of the outer side of the right end of the ventilating box 1 (the sealing plate 3, the upper clamping plate 28 and the lower clamping plate 29 are required to be closely adhered to the wall surface in the installation process), the connecting part of the ventilating box 1 and the wall body can be sealed, meanwhile, the pressure sensor 38 can transmit signals to the controller 36 after receiving the extruding, the controller 36 receives the signals and then controls the bidirectional electric telescopic rod 33 to stop working, so that the installation has good convenience in the installation process of the ventilating box 1, simultaneously, the arrangement can ensure the sealing effect of the connection between the ventilation box 1 and the wall, after the ventilation box 1 is completed, a plurality of unpowered fans 13 are connected and fixed with the ventilation box 1 through the connecting pipe 12 and the air inlet pipe 11, thus being beneficial to fresh air replacement, water is injected into the bottom of the cleaning box 5 through the water inlet 8 (the water surface is lower than the water removing roller 16), then the driving motor 25 is controlled to drive the filter screen lower roller 21 to rotate, the filter screen lower roller 21 can drive the filter screen 15 to rotate in the rotating process, the filter screen lower roller 21 can drive the cleaning roller 23 to rotate to clean the filter screen 15 through the first gear 24 and the second gear 27 in the rotating process, meanwhile, the filter screen 15 can be dehydrated through the set water removing roller 16, the uninterrupted cleaning of the filter screen 15 can be realized in the actual use process, can guarantee to get into the clean degree of room air, have good practical value, and this kind of setting can avoid the problem of need frequently changing filter screen 15 when the device uses in the abominable district of environment, finally, the staff need open delivery port 22 with the inside water evacuation of clean case 5, then close delivery port 22 and accomplish the change of clean water through water inlet 8 to the inside water injection of clean case 5, delivery port 22 and water inlet 8 set up in the position of device minimum, need not the staff and stand in higher convenience and safety when changing, be worth extensive popularization and use.
Example 2:
referring to fig. 1-7, the present invention provides a technical solution:
the same positions as in example 1 are not illustrated, except that: when the device is installed at a position with smaller indoor space for use, only one unpowered fan 13 is required to be installed at the upper end of the air inlet pipe 11, so that the installation cost can be reduced, and the device is quite practical.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this invention, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the invention, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present invention.
Claims (6)
1. A new trend heat recovery unit for ultralow energy consumption building, its characterized in that: including ventilation case (1), clean case (5), air-supply line (11) and unpowered fan (13), its characterized in that: the utility model discloses a cleaning device, including ventilation case (1), filter screen (25), filter screen (15), cleaning case (5), cleaning case (1), connecting pipe (12), first gear (24) and second gear (27) are connected with in ventilation case (1) right-hand member top fixedly connected with air-supply line (11), first gear (24) upper end meshing has second gear (27), filter screen (21) left end and driving motor (25) main shaft fixedly connected with filter screen (15) through filter screen (18) and filter screen lower roller (21) rotation in the inboard, dewatering running roller (16) that side set up in the middle of filter screen (15) pass through fixed bolster (17) to be fixed in the position in the middle of cleaning case (5), cleaning case (5) bottom inboard rotates and is connected with cleaning running roller (23), cleaning running roller (23) and filter screen lower roller (21) left end outside fixedly connected with first gear (24) and second gear (27) respectively, first gear (24) upper end meshing has second gear (25), filter screen lower roller (21) left end and driving motor (25) main shaft fixedly connected together, cleaning case (5) bottom is equipped with water inlet (8) and delivery port (22).
The novel ventilating box comprises a ventilating box body (1), wherein an inner pipeline (2) is fixedly connected to the left end face of the ventilating box body (1), a sealing plate (3) is fixedly connected to the outer side of the left end of the ventilating box body (1), a sealing pad (4) is fixedly connected to the right side of the sealing plate (3), an upper clamping plate (28) and a lower clamping plate (29) are arranged on the outer side of the left end of the ventilating box body (1), a second threaded hole (31) is formed in the inner side of the lower clamping plate (29), the inner side of the upper clamping plate (28) penetrates through a second fixing screw (9) and is connected with the lower clamping plate (29) together, the bottom ends of the second fixing screw (9) and the lower clamping plate (29) are connected together in a spiral mode through the second threaded hole (31), a rubber pad (30) is fixedly connected to one ends, close to the ventilating box body (1), and the upper clamping plate (28) and the lower clamping plate (29) are arranged in a U shape.
The novel ventilating box is characterized in that telescopic rod placing grooves (35) are formed in the inner sides of the front end face and the rear end face of the ventilating box (1), a controller (36) and a fixed block (34) are fixedly connected to the inner side of the telescopic rod placing grooves (35), a bidirectional electric telescopic rod (33) is fixedly connected to the fixed block (34), a movable rod (32) is fixedly connected to the upper end and the lower end of the bidirectional electric telescopic rod (33), an extrusion plate (10) is fixedly connected to the top end of the movable rod (32), and a pressure sensor (38) is fixedly connected to the inner side of a pressure sensor placing groove (37) formed in the inner side of the extrusion plate (10);
the driving motor (25) is arranged at the rear end of the cleaning box (5), and the driving motor (25) is fixedly connected with the rear end face of the cleaning box (5) through the motor bracket (26).
2. The fresh air heat recovery device for an ultra-low energy consumption building according to claim 1, wherein: the cleaning box comprises a cleaning box cover plate (6), and is characterized in that a first threaded hole (20) is formed in the inner side of the right end of the cleaning box (5), the cleaning box cover plate (6) is fixedly connected to the right end of the cleaning box (5) through a first fixing screw (7), and the first fixing screw (7) penetrates through the cleaning box cover plate (6) and is in threaded connection with the cleaning box (5) through the first threaded hole (20).
3. The fresh air heat recovery device for an ultra-low energy consumption building according to claim 1, wherein: the controller (36) is electrically connected with the bidirectional electric telescopic rod (33) and the pressure sensor (38).
4. The fresh air heat recovery device for an ultra-low energy consumption building according to claim 1, wherein: the utility model discloses a ventilation case, including ventilation case (1), filter screen (15), air tank (1), limiting plate (14) are connected with limiting plate (14) inboard, limiting plate (14) are the setting of "U", limiting plate (14) inboard is in the same place through sealed strake (19) and filter screen (15) rotation connection, filter screen (15) are annular setting, sealed strake (19) fixed connection is in the position of filter screen (15) both sides edge.
5. The fresh air heat recovery device for an ultra-low energy consumption building according to claim 1, wherein: the position of the right end of the ventilation box (1) is communicated with the cleaning box (5), and the ventilation box (1) is communicated with the inner pipeline (2), the air inlet pipe (11), the connecting pipe (12) and the unpowered fan (13).
6. The method for using the fresh air heat recovery device for the ultra-low energy consumption building according to claim 1, wherein the method comprises the following steps:
step one: the ventilation box (1) is arranged on the inner side of a wall body, the bidirectional electric telescopic rod (33) is controlled to push the moving rod (32) to enable the extruding plate (10) to move so as to be stably connected with the wall body, then the upper clamping plate (28) and the lower clamping plate (29) are fixed at the position on the outer side of the right end of the ventilation box (1), and in the installation process, the sealing plate (3), the upper clamping plate (28) and the lower clamping plate (29) need to be tightly attached to the wall surface, so that the joint of the ventilation box (1) and the wall body can be sealed;
step two: a plurality of unpowered fans (13) are connected and fixed with the ventilation box (1) through connecting pipes (12) and air inlet pipes (11);
step three: the water is injected into the bottom of the cleaning box (5) through the water inlet (8), the water surface is lower than the water removal roller (16), then the driving motor (25) is controlled to drive the filter screen lower roller (21) to rotate, the filter screen lower roller (21) can drive the filter screen (15) to rotate in the rotating process, the filter screen lower roller (21) can drive the cleaning roller (23) to rotate to clean the filter screen (15) through the first gear (24) and the second gear (27) in the rotating process, and meanwhile, the filter screen (15) can be dehydrated through the set water removal roller (16);
step four: the water outlet (22) is opened to empty the water in the cleaning box (5), then the water outlet (22) is closed, and water is injected into the cleaning box (5) through the water inlet (8) to finish the replacement of the cleaning water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210667078.3A CN114992747B (en) | 2022-06-13 | 2022-06-13 | Fresh air heat recovery device for ultralow-energy-consumption building and application method of fresh air heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210667078.3A CN114992747B (en) | 2022-06-13 | 2022-06-13 | Fresh air heat recovery device for ultralow-energy-consumption building and application method of fresh air heat recovery device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114992747A CN114992747A (en) | 2022-09-02 |
| CN114992747B true CN114992747B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210667078.3A Active CN114992747B (en) | 2022-06-13 | 2022-06-13 | Fresh air heat recovery device for ultralow-energy-consumption building and application method of fresh air heat recovery device |
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| CN211950556U (en) * | 2020-04-25 | 2020-11-17 | 王开林 | Ventilation unit for bridge tunnel |
| CN113203161A (en) * | 2021-06-11 | 2021-08-03 | 广州东奥电气有限公司 | Multifunctional fresh air purification device |
| CN216358886U (en) * | 2021-05-31 | 2022-04-22 | 德州淳泰通风设备有限公司 | Green building vent filter equipment |
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2022
- 2022-06-13 CN CN202210667078.3A patent/CN114992747B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207515156U (en) * | 2017-11-10 | 2018-06-19 | 广东协强建设集团有限公司 | A kind of nature air supplying and exhausting system |
| CN107957588A (en) * | 2017-11-20 | 2018-04-24 | 湖北华昱天辰环保节能科技股份有限公司 | A kind of radioactive source monitoring system based on cloud platform |
| CN108758947A (en) * | 2018-06-26 | 2018-11-06 | 安徽应力环保科技有限公司 | A kind of automatically cleaning filtration system of fresh air system |
| CN211950556U (en) * | 2020-04-25 | 2020-11-17 | 王开林 | Ventilation unit for bridge tunnel |
| CN216358886U (en) * | 2021-05-31 | 2022-04-22 | 德州淳泰通风设备有限公司 | Green building vent filter equipment |
| CN113203161A (en) * | 2021-06-11 | 2021-08-03 | 广州东奥电气有限公司 | Multifunctional fresh air purification device |
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| CN114992747A (en) | 2022-09-02 |
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