CN113028559B - Air conditioning equipment for concrete construction - Google Patents
Air conditioning equipment for concrete construction Download PDFInfo
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- CN113028559B CN113028559B CN202110573621.9A CN202110573621A CN113028559B CN 113028559 B CN113028559 B CN 113028559B CN 202110573621 A CN202110573621 A CN 202110573621A CN 113028559 B CN113028559 B CN 113028559B
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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
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Abstract
The invention discloses air conditioning equipment for concrete construction, which comprises a shell, wherein one side of the shell is provided with an air inlet groove, one side of the air inlet groove outside the shell is hermetically connected with a sealing plug, one side of the air inlet groove in the shell is hermetically connected with an air inlet pipe, the other end of the air inlet pipe is hermetically communicated with a fan box, the fan box is fixedly connected to the inner bottom wall of the shell through a plurality of bolts, a negative pressure wind wheel is arranged in the fan box, one end of the fan box, far away from the air inlet pipe, is hermetically connected with an air outlet pipe, one side of the shell, far away from the air inlet groove, is fixedly connected with a processing box, the upper side of the processing box and the shell are provided with a ventilation opening in a penetrating manner, one side of the processing box, far away from the ventilation opening, is provided with an air outlet, and a filter screen is hermetically connected in the air outlet. The advantages are that: the work load of the negative pressure wind wheel is reduced through spontaneous short halt, and the accumulated dust on the surface of the negative pressure wind wheel is cleaned through the impact action of high-speed airflow, so that the service life of the equipment is prolonged, and the use is convenient.
Description
Technical Field
The invention relates to the technical field of concrete construction, in particular to air conditioning equipment for concrete construction.
Background
The concrete is artificial stone which is prepared by taking cement as a main cementing material, adding water, sand, stones and chemical additives and mineral admixtures if necessary, mixing the materials according to a proper proportion, uniformly stirring, densely molding, curing and hardening. Concrete is mainly divided into two stages and states: plastic state before setting and hardening, namely fresh concrete or concrete mixture; hardened, i.e. hardened concrete or concrete. The concrete strength grade is divided into standard values of cubic compressive strength, and the common concrete strength grade is divided into 14 grades.
In the construction process of concrete, the air quality of the environment is poor, partial particles float in the ambient air, the processing environment is affected, and the physical health of processing workers is damaged.
Disclosure of Invention
The invention aims to solve the problem of low air purification efficiency in concrete construction in the prior art, and provides air conditioning equipment for concrete construction.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an air conditioning equipment for concrete construction, includes the casing, the intake stack has been seted up to one side of casing, one side sealing connection outside the intake stack has the sealing plug, one side sealing connection of intake stack in the casing has the intake pipe, the sealed intercommunication of the other end of intake pipe is provided with the fan case, the fan case is through the interior diapire of a plurality of bolt fixed connection at the casing, be provided with the negative pressure wind wheel in the fan case and keep away from the one end sealing connection of intake pipe and have the outlet duct, one side fixedly connected with who keeps away from the intake stack of casing handles the case, the upside and the casing of handling the case run through and seted up the vent, handle the case and keep away from one side of vent and seted up the air outlet and sealing connection has the filter screen in the air outlet.
In the air conditioning equipment for concrete construction, the rotation center of the negative pressure wind wheel is connected with a rotating shaft, a key groove is formed in the rotating shaft, a first flat key is connected in the key groove in an interference fit manner, the rotating shaft is connected with the negative pressure wind wheel in a fit manner through the flat key, one end of the rotating shaft is fixedly connected with a driving motor, and the driving motor is fixedly connected to the outer side wall of the fan box through a bolt.
In the air conditioning equipment for concrete construction, a sleeve shaft is sleeved outside one end, far away from the driving motor, of the rotating shaft, the sleeve shaft is rotatably connected with the rotating shaft through a bearing, the side wall of the sleeve shaft is fixedly connected with the inner side wall of the fan box, a sliding cylinder is sleeved outside the part, located between the driving motor and the sleeve shaft, of the rotating shaft, the sliding cylinder is of an annular structure, and a key groove is formed in the inner side of the sliding cylinder.
In the air conditioning equipment for concrete construction, the inner side wall of the fan box close to the driving motor is fixedly connected with an air injection box, the air injection box is of an annular structure, the inner side of the air injection box is rotatably connected with a rotating shaft, the side wall of the air injection box is fixedly connected with an annular body, the air injection box is located in the inner side part of the annular body and is fixedly connected with a plurality of springs, the springs are annularly arranged on the outer side of the rotating shaft, each spring is internally provided with a sliding rod, each sliding rod hermetically penetrates through the inner wall of the air injection box and is in sliding connection with the sliding rod, the rotating shaft is located in the annular body and is fixedly connected with a second flat key, and the size of the second flat key is matched with a key groove in the sliding cylinder.
In the air conditioning equipment for concrete construction, the outside fixedly connected with wedge of a slip section of thick bamboo, the inboard of ring form runs through and is provided with the connecting rod, the bottom fixedly connected with transmission ball of connecting rod, the connecting rod slides along the internal diameter direction of ring form and sets up, the outside fixedly connected with inflater of ring form, the gas outlet part and the sealed intercommunication of gas injection box of inflater and junction are provided with the check valve, the valve rod part of inflater and the top fixed connection of connecting rod.
In above-mentioned air conditioning equipment for concrete construction, a plurality of fumaroles have been seted up to one side that driving motor was kept away from to the fumarole box, and is a plurality of the fumarole uses the axis of pivot to distribute and just to the flabellum part of negative pressure wind wheel as the polar axis circumference array, every the equal sealing connection of junction of fumarole and fumarole box has pressure release valve.
In the air conditioning equipment for concrete construction, the part of the sleeve shaft close to the negative pressure wind wheel is connected with an electromagnet, the part of the negative pressure wind wheel, which is over against the electromagnet, is made of a permanent magnet material and is opposite to the same pole of the electromagnet, the ventilation opening is hermetically connected with a drainage tube, and the other side of the drainage tube is arranged at the bottom of the treatment box.
In the air conditioning equipment for concrete construction, the shell is filled with ionic liquid with the height not exceeding the vent, the bottom of the shell is fixedly connected with a temperature difference conductive rod, the other end of the temperature difference conductive rod penetrates through the side wall of the fan box in a sealing mode and is communicated with the inner wall of the air injection box, and the inner side wall of the shell is provided with a power-on power supply.
Compared with the prior art, the invention has the advantages that:
1. the vent is positioned at the upper side of the treatment box, the air outlet direction of the drainage tube is the bottom of the treatment box, so that the particulate matters carried by the air entering the shell are dusted into the shell through two changes of flow directions, the air exhausted out of the shell is fresh under the action of the filter screen, and the workload of the filter screen is reduced;
2. the electromagnet is set to work intermittently in a short time, and the action of pressure with homopolar repulsion on the negative pressure wind wheel can be generated, so that on one hand, the negative pressure wind wheel is separated from the matching connection with the first flat key, and the negative pressure wind wheel has a spontaneous shutdown state within a short time, and the working load of the negative pressure wind wheel is reduced under the spontaneous shutdown state when the negative pressure wind wheel works for a long time;
3. when the negative pressure wind wheel moves, the axial horizontal pressure effect is generated on the sliding cylinder, so that the key groove in the sliding cylinder is matched with the second flat key, the rotating shaft drives the sliding cylinder to rotate, the inflator extrudes part of air into the air injection box through the connecting rod, the transmission ball and the wedge block, and the effect of compressing air is realized;
4. the shell is filled with ionic liquid, on one hand, for air purification, the air can be better purified by the filtration of the liquid to the air, and the advantage that the ionic liquid can not be gasified is utilized, so that the output air can not be mixed with harmful gas, on the other hand, when the external temperature is higher, the ionic liquid is equal to a conductor after the temperature is raised, and a power supply is connected with a temperature difference conductive rod, because the temperature difference conductive rod has the thermoelectric effect, the device is characterized in that when in power-on, heat absorption and heat release are respectively carried out on two ends, in the device, the heat release end is positioned in the air injection box, and the heat absorption end is positioned at the bottom of the shell, on the other hand, the ionic liquid is strongly cooled, so that the temperature of the purified air is simultaneously reduced, the surrounding environment is improved, on the other hand, the temperature in the air injection box is raised, and the thermal pressure in the air injection box is increased, the kinetic energy of the sprayed air flow is larger, the dust removal effect on the surface of the negative pressure air wheel is more facilitated, and the using effect is improved.
Drawings
FIG. 1 is a cross-sectional external view of an air conditioning apparatus for concrete construction according to the present invention;
FIG. 2 is a schematic structural view of a first view angle in a fan case of an air conditioning apparatus for concrete construction according to the present invention;
FIG. 3 is a schematic structural view of a second view angle in a fan case of the air conditioning apparatus for concrete construction according to the present invention;
FIG. 4 is an enlarged view of part A of an air conditioning apparatus for concrete construction according to the present invention;
FIG. 5 is an external view of an air conditioning apparatus for concrete construction according to embodiment 1 of the present invention;
fig. 6 is an external view of an embodiment 2 of an air conditioning apparatus for concrete construction according to the present invention.
In the figure: the device comprises a machine shell 1, an air inlet groove 2, a sealing plug 3, an air inlet pipe 4, a fan box 5, a negative pressure wind wheel 6, an air outlet pipe 7, a treatment box 8, a ventilation opening 9, an air outlet 10, a filter screen 11, a rotating shaft 12, a driving motor 13, a sleeve shaft 14, a first flat key 15, a sliding cylinder 16, an air injection box 17, an annular body 18, a spring 19, a sliding rod 20, a second flat key 21, a wedge-shaped block 22, a connecting rod 23, a transmission ball 24, an air injection hole 25, a drainage pipe 26, a temperature difference conductive rod 27, an inflator 28 and a power supply 29.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Example one
Referring to fig. 1-6, an air conditioning device for concrete construction comprises a casing 1, an air inlet duct 2 is formed in one side of the casing 1, a sealing plug 3 is hermetically connected to one side of the air inlet duct 2 outside the casing 1, an air inlet duct 4 is hermetically connected to one side of the air inlet duct 2 inside the casing 1, a fan box 5 is hermetically communicated with the other end of the air inlet duct 4, the fan box 5 is fixedly connected to the inner bottom wall of the casing 1 through a plurality of bolts, a negative pressure wind wheel 6 is arranged in the fan box 5, an air outlet duct 7 is hermetically connected to one end of the casing 1 far away from the air inlet duct 4, a processing box 8 is fixedly connected to one side of the casing 1 far away from the air inlet duct 2, a vent 9 is formed in the upper side of the processing box 8 and the casing 1 in a penetrating manner, an air outlet 10 is formed in one side of the processing box 8 far away from the vent 9, and a filter screen 11 is hermetically connected in the air outlet 10;
the rotation center of the negative pressure wind wheel 6 is connected with a rotating shaft 12, a key groove is arranged in the rotating shaft 12, a first flat key 15 is connected in the key groove in an interference fit manner, the rotating shaft 12 is connected with the negative pressure wind wheel 6 in a fit manner through the flat key, so that the negative pressure wind wheel 6 can rotate along with the rotation of the rotating shaft 12 under the fit of the first flat key 15, and can rotate without rotating along with the rotating shaft 12 after being separated from the fit of the first flat key 15, one end of the rotating shaft 12 is fixedly connected with a driving motor 13, the driving motor 13 is fixedly connected on the outer side wall of the fan box 5 through a bolt, a sleeve shaft 14 is sleeved outside one end of the rotating shaft 12 far away from the driving motor 13, the sleeve shaft 14 is rotatably connected with the rotating shaft 12 through a bearing, the side wall is fixedly connected with the inner side wall of the fan box 5, so that the sleeve shaft 14 is, the sliding cylinder 16 is of annular structure and is splined on the inside.
The inner side wall of the fan box 5 close to the driving motor 13 is fixedly connected with an air injection box 17, the air injection box 17 is of an annular structure, the inner side of the air injection box 17 is rotatably connected with the rotating shaft 12, the side wall of the air injection box 17 is fixedly connected with an annular body 18, the area part of the air injection box 17, which is positioned at the inner side of the annular body 18, is fixedly connected with a plurality of springs 19, the plurality of springs 19 are annularly arranged at the outer side of the rotating shaft 12, each spring 19 is internally provided with a sliding rod 20, each sliding rod 20 hermetically penetrates through the inner wall of the air injection box 17 and is slidably connected, so that the sliding rod 20 can be contracted into the air injection box 17 and compresses the springs 19 under the action of pressure, the part of the rotating shaft 12, which is positioned in the annular body 18, is fixedly connected with a second flat key 21, the size of the second flat key 21 is matched with a key groove in the sliding cylinder 16, when the second flat key 21 is matched with the key groove in the sliding cylinder 16, the rotating shaft 12 drives the sliding cylinder 16 to rotate, the outer side of the sliding cylinder is fixedly connected with a wedge block 22, the connecting rod 23 penetrates through the inner side of the annular body 18, the transmission ball 24 is fixedly connected to the bottom of the connecting rod 23, the wedge block 22 can periodically act on the transmission ball 24 when rotating, the connecting rod 23 slides back and forth, the connecting rod 23 slides along the inner diameter direction of the annular body 18, the inflator 28 is fixedly connected to the outer side of the annular body 18, the air outlet portion of the inflator 28 is communicated with the air injection box 17 in a sealing mode, a one-way valve is arranged at the joint of the air outlet portion and the air injection box 17, and the valve rod portion of the inflator 28 is fixedly connected with the top of the connecting rod 23.
One side of the air injection box 17, which is far away from the driving motor 13, is provided with a plurality of air injection holes 25, the plurality of air injection holes 25 are distributed in a circumferential array mode by taking the axis of the rotating shaft as a polar axis and are right opposite to the fan blade part of the negative pressure wind wheel 6, the connection part of each air injection hole 25 and the air injection box 17 is connected with a pressure relief valve in a sealing mode, the part, which is close to the negative pressure wind wheel 6, of the sleeve shaft 14 is connected with an electromagnet, the part, which is right opposite to the electromagnet, of the negative pressure wind wheel 6 is made of a permanent magnet material and is opposite to the same pole of the electromagnet, when the electromagnet is electrified, the negative pressure wind wheel 6 is enabled to be pressed to be separated from being matched with the first flat key 15, the vent 9 is connected with a drainage tube 26 in a sealing mode, and the other side of the drainage tube 26 is arranged at the bottom of the processing box 8.
In this embodiment, the electromagnet is set to be intermittently energized by external electric control, so that in a state that the electromagnet is not energized, the electromagnet does not influence the negative pressure wind wheel 6, so that the negative pressure wind wheel 6 can generate negative pressure to absorb external air into the casing 1 through the air inlet duct 2 and the air inlet duct 4, the vent 9 is located on the upper side of the processing box 8, the air outlet direction of the drainage tube 26 is the bottom of the processing box 8, and thus, particulate matters carried by the air entering the casing 1 are dusted into the casing 1 by changing the flow directions twice, so that the air exhausted out of the casing 1 under the action of the filter screen 11 is relatively fresh, and the workload of the filter screen is reduced;
in the fan box 5, when the electromagnet works intermittently for a short time, the action of pressure with like poles repelling each other is generated on the negative pressure wind wheel 6, on one hand, the negative pressure wind wheel 6 is separated from the matching connection with the first flat key 15, so that the negative pressure wind wheel 6 has a state of spontaneous halt within a short time, and on the other hand, the axial horizontal pressure action is generated on the sliding cylinder 16, so that the key groove in the sliding cylinder 16 is matched with the second flat key 21, so that the rotating shaft 12 drives the sliding cylinder 16 to rotate, which has the advantages that the wedge-shaped block 22 arranged on the top of the sliding cylinder 16 generates a periodic action on the transmission ball 24 and the connecting rod 23 arranged below the annular body 18, so that the valve rod part in the inflator 28 moves back and forth, so that part of the air is squeezed into the air injection box 17 at a strong rotating speed of the driving motor 13, the effect of compressing the air is realized, so that when the air pressure in the air injection box 17 is extremely high, the sealing function of the pressure relief valve in the air injection hole 25 is broken, high-speed airflow is sprayed to the opposite negative pressure wind wheel 6, on one hand, the negative pressure wind wheel 6 only has inertial rotating speed, so that the rotating speed is low, and the high-speed airflow blows airflow on the surface of the negative pressure wind wheel 6, so that impurities and deposited dust attached to the surface of the negative pressure wind wheel 6 are removed, the service life of the equipment is prolonged, and the self-cleaning effect is realized.
Example two
The shell 1 is internally provided with ionic liquid with the height not exceeding the vent 9, the ionic liquid is imidazole salt, and the ionic liquid is characterized in that the conductivity is poor at low temperature and good at high temperature, namely, the conductivity is gradually increased along with the rise of temperature, the bottom of the shell 1 is fixedly connected with a temperature difference conductive rod 27, the temperature difference conductive rod 27 is made of semiconductor temperature difference materials, the other end of the temperature difference conductive rod 27 penetrates through the side wall of the fan box 5 in a sealing mode and is communicated with the inner wall of the air injection box 17, and the inner side wall of the shell 1 is provided with a power supply 29.
Compared with the embodiment 1, the temperature difference conducting rod 27 is connected and arranged at the bottom of the machine shell 1 and the air injection box 17 in the embodiment, and the ionic liquid is arranged in the machine shell 1, on one hand, for the air purification effect, the gas can be better purified by the filtering effect of the liquid on the air, and the advantage that the ionic liquid can not be gasified is utilized, so that the output air can not be mixed with harmful gas, on the other hand, when the external temperature is higher, the temperature of the ionic liquid is increased and then the ionic liquid is equivalent to the connection of a conductor to conduct the electrifying power supply 29 and the temperature difference conducting rod 27, because the temperature difference conducting rod 27 has the thermoelectric effect, the characteristic is that when the electricity is electrified, the two ends respectively absorb and release heat, in the equipment, the heat release end is positioned in the air injection box 17, and the heat absorption end is positioned at the bottom of the machine shell 1, on the other hand, the ionic liquid is strongly cooled, so that the temperature of the purified air is reduced at the same time, the surrounding environment is improved, and on the other hand, the temperature in the air injection box 17 is improved, so that the thermal pressure in the air injection box 17 is increased, the kinetic energy of the sprayed air flow is larger, the dust removal effect on the surface of the negative pressure wind wheel 6 is more facilitated, and the use effect is improved;
furthermore, when the temperature of the ionic liquid changes, the resistance of the ionic liquid is reduced along with the increase of the temperature, so that the higher the external temperature is, the lower the resistance of the ionic liquid is, and the larger the current is output to the temperature difference conducting rod 27 through the power supply 29, so that the cooling and heating effects on two ends are improved, and the self-adjusting effect on the air purification effect under different temperature environments is achieved.
Claims (5)
1. The air conditioning equipment for concrete construction comprises a machine shell (1) and is characterized in that an air inlet groove (2) is formed in one side of the machine shell (1), a sealing plug (3) is hermetically connected to one side of the air inlet groove (2) outside the machine shell, an air inlet pipe (4) is hermetically connected to one side of the air inlet groove (2) in the machine shell (1), a fan box (5) is arranged at the other end of the air inlet pipe (4) in a sealing and communicating mode, the fan box (5) is fixedly connected to the inner bottom wall of the machine shell (1) through a plurality of bolts, a negative pressure wind wheel (6) is arranged in the fan box (5), an air outlet pipe (7) is hermetically connected to one end, far away from the air inlet pipe (4), of the machine shell (1) is fixedly connected with a processing box (8), a ventilation opening (9) is formed in a penetrating mode of the upper side of the processing box (8) and the machine shell (1), handle one side that ventilation opening (9) were kept away from in case (8) and seted up air outlet (10) and air outlet (10) in sealing connection with filter screen (11), the centre of rotation of negative pressure wind wheel (6) is connected with pivot (12), be provided with the keyway in pivot (12) and interference fit is connected with first parallel key (15) in the keyway, pivot (12) are connected with negative pressure wind wheel (6) cooperation through the parallel key, the one end fixedly connected with driving motor (13) of pivot (12), driving motor (13) are through bolt fixed connection on the lateral wall of fan case (5), the one end overcoat that driving motor (13) were kept away from in pivot (12) has cup jointed sleeve (14), cup jointed sleeve (14) through bearing and pivot (12) rotation connection and the inside wall fixed connection of lateral wall and fan case (5), the part overcoat that pivot (12) are located between driving motor (13) and cup (14) has cup jointed slide cartridge (16) The sliding cylinder (16) is of an annular structure, a key groove is formed in the inner side of the sliding cylinder, the inner side wall of the fan box (5) close to the driving motor (13) is fixedly connected with an air injection box (17), the air injection box (17) is of an annular structure, the inner side of the air injection box is rotationally connected with the rotating shaft (12), the side wall of the air injection box (17) is fixedly connected with an annular body (18), the part of the air injection box (17) which is positioned at the inner side area of the annular body (18) is fixedly connected with a plurality of springs (19), the plurality of springs (19) are annularly arranged at the outer side of the rotating shaft (12), each spring (19) is internally provided with a sliding rod (20), each sliding rod (20) hermetically penetrates through the inner wall of the air injection box (17) and is in sliding connection with the inner wall, the part of the rotating shaft (12) positioned in the annular body (18) is fixedly connected with a second flat key (21), the second flat key (21) is matched with a key groove in the sliding cylinder (16) in size.
2. The air conditioning equipment for concrete construction as claimed in claim 1, wherein a wedge block (22) is fixedly connected to the outer side of the sliding cylinder (16), a connecting rod (23) penetrates through the inner side of the annular body (18), a transmission ball (24) is fixedly connected to the bottom of the connecting rod (23), the connecting rod (23) is slidably arranged along the inner diameter direction of the annular body (18), an inflator (28) is fixedly connected to the outer side of the annular body (18), the air outlet portion of the inflator (28) is in sealed communication with the air injection box (17), a one-way valve is arranged at the joint of the air outlet portion and the air injection box, and the valve stem portion of the inflator (28) is fixedly connected to the top of the connecting rod (23).
3. The air conditioning equipment for concrete construction according to claim 1, wherein a plurality of air injection holes (25) are formed in one side, away from the driving motor (13), of the air injection box (17), the air injection holes (25) are distributed in a circumferential array mode by taking the axis of the rotating shaft as a polar axis and are opposite to fan blade parts of the negative pressure wind wheel (6), and a pressure release valve is connected to the connection position of each air injection hole (25) and the air injection box (17) in a sealing mode.
4. The air conditioning equipment for concrete construction according to claim 1, wherein the part of the sleeve shaft (14) close to the negative pressure wind wheel (6) is connected with an electromagnet, the part of the negative pressure wind wheel (6) facing the electromagnet is made of permanent magnet materials and is homopolar-opposite to the electromagnet, the ventilation opening (9) is hermetically connected with a drainage tube (26), and the other side of the drainage tube (26) is arranged at the bottom of the treatment box (8).
5. The air conditioning equipment for concrete construction as claimed in claim 4, wherein the shell (1) is filled with ionic liquid with the height not exceeding the height of the vent (9), the bottom of the shell (1) is fixedly connected with a temperature difference conductive rod (27), the other end of the temperature difference conductive rod (27) penetrates through the side wall of the fan box (5) in a sealing mode and is communicated with the inner wall of the air injection box (17), and the inner side wall of the shell (1) is provided with an electrified power supply (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110573621.9A CN113028559B (en) | 2021-05-25 | 2021-05-25 | Air conditioning equipment for concrete construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110573621.9A CN113028559B (en) | 2021-05-25 | 2021-05-25 | Air conditioning equipment for concrete construction |
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| CN113028559A CN113028559A (en) | 2021-06-25 |
| CN113028559B true CN113028559B (en) | 2021-08-24 |
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| CN202110573621.9A Active CN113028559B (en) | 2021-05-25 | 2021-05-25 | Air conditioning equipment for concrete construction |
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| CN115464398B (en) * | 2022-10-13 | 2023-04-25 | 浙江华莎驰机械有限公司 | Automatic hard alloy welding production line with heat treatment function |
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| KR20190080421A (en) * | 2017-12-28 | 2019-07-08 | 송명복 | Air purifier |
| JP2019184204A (en) * | 2018-04-17 | 2019-10-24 | 株式会社アクシス | Air cleaner |
| CN208458412U (en) * | 2018-06-06 | 2019-02-01 | 中商建开有限公司 | A kind of high effective coke drying unit |
| CN210241762U (en) * | 2019-05-16 | 2020-04-03 | 广东美的制冷设备有限公司 | Air purification module, air conditioner indoor unit and air conditioner |
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