CN111206853A - Glass pushes away window new trend system - Google Patents

Glass pushes away window new trend system Download PDF

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Publication number
CN111206853A
CN111206853A CN201811395775.8A CN201811395775A CN111206853A CN 111206853 A CN111206853 A CN 111206853A CN 201811395775 A CN201811395775 A CN 201811395775A CN 111206853 A CN111206853 A CN 111206853A
Authority
CN
China
Prior art keywords
casing
machine shell
window
wall
bevel gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811395775.8A
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Chinese (zh)
Inventor
李月萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Situmi Environmental Protection Technology Co Ltd
Original Assignee
Xian Situmi Environmental Protection Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian Situmi Environmental Protection Technology Co Ltd filed Critical Xian Situmi Environmental Protection Technology Co Ltd
Priority to CN201811395775.8A priority Critical patent/CN111206853A/en
Publication of CN111206853A publication Critical patent/CN111206853A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/34Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
    • E06B3/38Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a horizontal axis of rotation at the top or bottom of the opening
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00Special arrangements or measures in connection with doors or windows
    • E06B7/02Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20Wind motors characterised by the driven apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/007Ventilation with forced flow
    • F24F7/013Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/90Cleaning of purification apparatus
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00Special arrangements or measures in connection with doors or windows
    • E06B7/02Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E06B2007/023Air flow induced by fan
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00Details or features not otherwise provided for
    • F24F2221/20Details or features not otherwise provided for mounted in or close to a window
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a glass push window fresh air system which comprises a machine shell and a push window, wherein the machine shell is arranged on the inner side of the push window, a filter is arranged in the machine shell, a reciprocating screw rod is rotatably connected in the machine shell through two first bearings, a driven bevel gear is fixedly sleeved on the rod wall of one end, close to the push window, of the reciprocating screw rod, a rotating rod is arranged in the machine shell, the rotating rod is rotatably connected with the shell wall at the upper end of the machine shell through a second bearing, a driving bevel gear is fixedly connected at one end of the rotating rod in the machine shell, the driving bevel gear is meshed with the driven bevel gear, one end, far away from the filter, of the rotating rod penetrates through the second bearing and extends outwards, and fan blades are symmetrically and. The invention utilizes wind energy as a power source to clean dust in the shell, thereby saving energy and facilitating the cleaning of the dust.

Description

Glass pushes away window new trend system
Technical Field
The invention relates to the technical field of air purification equipment, in particular to a glass push window fresh air system.
Background
At present, the glass curtain wall is a beautiful and novel building wall decoration method and is a remarkable characteristic of modern high-rise building times. However, the glass curtain wall is beautiful and brings many disadvantages such as light pollution, dust accumulation on the outer wall and the like, but the glass curtain wall mainly affects the health and comfort of internal personnel and is also a ventilation problem. Because of the fixing mode of the glass curtain wall and the installation strength requirement of high-rise building equipment, the glass window is generally installed in a push-down mode which is the most widely used mode, the opening angle of the glass window is smaller and is generally smaller than 20 degrees, and therefore the ventilation effect of the building is greatly influenced.
Through retrieval, chinese patent with grant number CN207123029U discloses a glass push window fresh air system, which mainly comprises an air guide cover, an air guide plate and an induced air motor, wherein in the prior art, air is guided into a fresh air machine through the air guide cover and then air purification is performed, and the glass push window fresh air system in the above patents has the following defects: the wind scooper is not internally provided with a filtering device, large-particle impurities and dust can directly enter the fresh air machine, the air is easily influenced to work through the filtering device, the fresh air machine is influenced, and the dust on the filtering device is difficult to clean in time.
Disclosure of Invention
The invention aims to solve the problem that large-particle impurities and dust easily cause blockage of a fresh air fan in the prior art, and provides a glass push window fresh air system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a glass push window fresh air system comprises a machine shell and a push window, wherein the machine shell is arranged on the inner side of the push window, a filter is arranged in the machine shell, a reciprocating screw rod is rotatably connected in the machine shell through two first bearings, a driven bevel gear is fixedly sleeved on a rod wall of the reciprocating screw rod, which is close to one end of the push window, a rotating rod is arranged in the machine shell, the rotating rod is rotatably connected with a shell wall at the upper end of the machine shell through a second bearing, one end of the rotating rod, which is far away from the filter, is fixedly connected with a driving bevel gear, the driving bevel gear is meshed with the driven bevel gear, one end of the rotating rod penetrates through the second bearing and extends outwards, fan blades are symmetrically and fixedly connected on the rod wall, a nut is in threaded connection with the reciprocating screw rod, a hairbrush and a connecting rod are symmetrically and fixedly connected on an, the sliding connection has T type slider in the T type spout, T type spout tank bottom was kept away from to T type slider one end passes T type spout notch and extends to the casing in, and fixed connection is in the one end of connecting rod, the air intake has been seted up to the bottom of casing, the casing is kept away from and is seted up the air outlet on the lateral wall that pushes away the window.
Preferably, an ash storage groove is formed in the inner side wall, far away from the push window, of the shell and corresponding to the hairbrush, the section of the ash storage groove is in a right trapezoid shape, a U-shaped pipe is communicated with the wall, close to the air inlet, of the ash storage groove, the bottom end of the U-shaped pipe penetrates through the wall of the shell and extends outwards, the other half of the U-shaped pipe is located outside the shell, a water outlet pipe is communicated with the bottom end of the U-shaped pipe located outside the shell, and a valve is mounted on the water outlet pipe.
Preferably, draught fans are symmetrically installed in the air inlet.
Preferably, one side of the machine shell, which is close to the sliding window, is fixedly connected with a plurality of suckers with uniform rectangular equidistance.
Preferably, a ball groove is formed in one end, close to the bottom of the T-shaped sliding groove, of the T-shaped sliding block, a ball is connected in the ball groove in a rolling mode, and one end, far away from the bottom of the ball groove, of the ball penetrates through a groove opening of the ball groove and extends outwards and is in rolling connection with the bottom of the T-shaped sliding groove.
Preferably, a rubber plug is plugged at the opening of the U-shaped pipe outside the machine shell.
Compared with the prior art, the invention provides a glass sliding window fresh air system, which has the following beneficial effects:
1. this glass pushes away window new trend system, through setting up the casing, push away the window, the filter, reciprocal lead screw, driven bevel gear, the bull stick, drive bevel gear, the flabellum, the nut, the brush, the connecting rod, T type spout, T type slider, air intake and air outlet, when pushing away the window and opening, wind drives the flabellum and rotates, the flabellum drives the bull stick and rotates, because the drive bevel gear has been cup jointed on the bull stick, drive bevel gear drives driven bevel gear and rotates, make the nut reciprocating motion on the reciprocal lead screw, because install the brush that offsets with the filter on the nut, make the dust on the reciprocal clean filter of brush, dust or impurity that are located on the casing on the filter are cleared up, and utilize wind energy as the power supply, energy is saved, the clearance of the dust of.
2. This glass pushes away window new trend system, through setting up ash storage tank, U type pipe and outlet pipe, push away the window when opening, the filter is the tilt state, the brush is swept dust or impurity on with the filter into in the ash storage tank, and there is the U type pipe that the intercommunication filled water in the ash storage tank, the dust lets in the aquatic of U type pipe and stews, because install the valve on the outlet pipe, open the valve, can change the water of U type intraductal, make the dust can not keep on the inside wall of casing, the collection of the dust of being convenient for.
The device has the advantages that the parts which are not involved are the same as or can be realized by adopting the prior art, the wind energy is used as a power source, the dust in the shell is cleaned, the energy is saved, and the dust is conveniently cleaned.
Drawings
FIG. 1 is a schematic structural view of a glass push window fresh air system according to the present invention;
FIG. 2 is a schematic view of a housing structure of a glass sliding window fresh air system according to the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: the device comprises a machine shell 1, a push window 2, a filter 3, a reciprocating screw rod 4, a driven bevel gear 5, a rotating rod 6, a driving bevel gear 7, fan blades 8, nuts 9, a brush 10, a connecting rod 11, a sliding chute 12T, a sliding block 13T, an air inlet 14, an air outlet 15, an ash storage tank 16, a U-shaped pipe 17, a water outlet pipe 18, an induced draft fan 19, a suction cup 20, a ball groove 21 and balls 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a glass sliding window fresh air system comprises a machine shell 1 and a sliding window 2, wherein the machine shell 1 is arranged at the inner side of the sliding window 2, a filter 3 is arranged in the machine shell 1, a reciprocating screw rod 4 is rotatably connected in the machine shell 1 through two first bearings, a driven bevel gear 5 is fixedly sleeved on a rod wall of one end of the reciprocating screw rod 4 close to the sliding window 2, a rotating rod 6 is arranged in the machine shell 1, the rotating rod 6 is rotatably connected with a shell wall at the upper end of the machine shell 1 through a second bearing, one end of the rotating rod 6 in the machine shell 1 is fixedly connected with a driving bevel gear 7, the driving bevel gear 7 is meshed with the driven bevel gear 5, one end of the rotating rod 6 far away from the filter 3 penetrates through the second bearing and extends outwards, fan blades 8 are symmetrically and fixedly connected on the rod wall, a nut 9 is connected on the reciprocating screw rod, casing 1 upper end inner shell wall has been seted up T type spout 12, sliding connection has T type slider 13 in T type spout 12, T type slider 13 keeps away from the one end of T type spout 12 tank bottom and passes T type spout 12 notch and extend to casing 1 in, and fixed connection is in the one end of connecting rod 11, air intake 14 has been seted up to casing 1's bottom, casing 1 keeps away from and has seted up air outlet 15 on the lateral wall that pushes away window 2, dust or impurity on being located casing 1 interior filter 3 are cleared up, and utilize the wind energy as the power supply, the energy saving, be convenient for the clearance of dust.
The position department that corresponds brush 10 on the inside wall of push window 2 is kept away from to casing 1 has seted up ash storage tank 16, and ash storage tank 16's section is right trapezoid, ash storage tank 16 communicates on being close to the cell wall of air intake 14 has U type pipe 17, casing 1 shell wall is passed and outside extension to the bottom of U type pipe 17, and outside half of U type pipe 17 is located casing 1, it has outlet pipe 18 to be located the outer U type pipe 17 bottom intercommunication of casing 1, and install the valve on the outlet pipe 18, make the dust can not stay on casing 1's the inside wall, be convenient for the collection of dust.
The air inlet 14 is internally and symmetrically provided with an induced draft fan 19, so that more air enters the machine shell 1.
The casing 1 is close to and pushes away window 2 one side and is the even equidistance a plurality of fixedly connected with sucking disc 20 of rectangle for casing 1 is fixed more stable with pushing away window 2.
The T-shaped sliding block 13 is close to one end of the bottom of the T-shaped sliding groove 12 and is provided with a ball groove 21, a ball 22 is connected in the ball groove 21 in a rolling mode, one end, far away from the bottom of the ball groove 21, of the ball 22 penetrates through a notch of the ball groove 21 and extends outwards, and is connected with the bottom of the T-shaped sliding groove 12 in a rolling mode, and therefore the connecting rod 11 can move conveniently.
The pipe orifice of the U-shaped pipe 17 positioned outside the machine shell 1 is plugged with a rubber plug, so that impurities in dirty water are prevented from entering a room.
In the invention, when the push window 2 is opened, the fan blade 8 is driven by wind to rotate, the rotating rod 6 is driven by the fan blade 8 to rotate, the driving bevel gear 7 is sleeved on the rotating rod 6, the driving bevel gear 7 drives the driven bevel gear 5 to rotate, so that the nut 9 on the reciprocating screw rod 4 reciprocates, the brush 10 is arranged on the nut 9 and is abutted against the filter 3, so that the brush 10 can clean dust on the filter 3 in a reciprocating way, the dust or impurities on the filter 3 in the shell 1 are cleaned, the wind energy is used as a power source, the energy is saved, the dust is conveniently cleaned, when the push window 2 is opened, the filter 3 is in an inclined state, the brush 10 sweeps the dust or impurities on the filter 3 into the dust storage tank 16, the dust storage tank 16 is internally provided with the U-shaped pipe 17 communicated with filling water, the dust is led into the water of the U-shaped pipe 17 to stand still, the water outlet, the water in the U-shaped pipe 17 can be replaced, so that the dust cannot be left on the inner side wall of the machine shell 1, and the dust can be collected conveniently.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (6)

1. A glass sliding window fresh air system comprises a machine shell (1) and a sliding window (2), and is characterized in that the machine shell (1) is installed on the inner side of the sliding window (2), a filter (3) is installed in the machine shell (1), a reciprocating screw rod (4) is rotatably connected in the machine shell (1) through two first bearings, a driven bevel gear (5) is fixedly sleeved on the rod wall of one end, close to the sliding window (2), of the reciprocating screw rod (4), a rotating rod (6) is arranged in the machine shell (1), the rotating rod (6) is rotatably connected with the shell wall at the upper end of the machine shell (1) through a second bearing, one end, far away from the filter (3), of the rotating rod (6) is fixedly connected with a driving bevel gear (7) in the machine shell (1), the driving bevel gear (7) is meshed with the driven bevel gear (5), and the other end, far away from the filter (3), of the rotating, and symmetry fixedly connected with flabellum (8) on the pole wall, threaded connection has nut (9) on reciprocal lead screw (4), symmetry fixedly connected with brush (10) and connecting rod (11) on the annular lateral wall of nut (9), T type spout (12) have been seted up on the casing wall of casing (1) upper end, sliding connection has T type slider (13) in T type spout (12), T type spout (12) tank bottom was kept away from in T type slider (13) one end is passed T type spout (12) notch and is extended to casing (1), and fixed connection is in the one end of connecting rod (11), air intake (14) have been seted up to the bottom of casing (1), air outlet (15) have been seted up on casing (1) keeps away from a lateral wall that pushes away window (2).
2. The glass push window fresh air system according to claim 1, wherein a dust storage groove (16) is formed in the inner side wall of the casing (1) far away from the push window (2) and corresponds to the brush (10), the section of the dust storage groove (16) is in a right trapezoid shape, a U-shaped pipe (17) is communicated with the wall of the dust storage groove (16) close to the air inlet (14), the bottom end of the U-shaped pipe (17) penetrates through the casing wall of the casing (1) and extends outwards, the other half of the U-shaped pipe (17) is located outside the casing (1), a water outlet pipe (18) is communicated with the bottom end of the U-shaped pipe (17) located outside the casing (1), and a valve is mounted on the water outlet pipe (18).
3. A glass push window fresh air system according to claim 1, wherein induced draft fans (19) are symmetrically installed in the air inlet (14).
4. The glass push window fresh air system according to claim 1, wherein a plurality of suckers (20) are fixedly connected to one side of the casing (1) close to the push window (2) in a rectangular shape at uniform intervals.
5. The fresh air system for the glass push window as claimed in claim 1, wherein a ball groove (21) is formed at one end of the T-shaped sliding block (13) close to the bottom of the T-shaped sliding groove (12), a ball (22) is connected in the ball groove (21) in a rolling manner, and one end of the ball (22) far away from the bottom of the ball groove (21) penetrates through the notch of the ball groove (21), extends outwards and is connected with the bottom of the T-shaped sliding groove (12) in a rolling manner.
6. The fresh air system of the glass push window as claimed in claim 2, wherein a rubber plug is plugged at the pipe orifice of the U-shaped pipe (17) positioned outside the casing (1).
CN201811395775.8A 2018-11-22 2018-11-22 Glass pushes away window new trend system Pending CN111206853A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811395775.8A CN111206853A (en) 2018-11-22 2018-11-22 Glass pushes away window new trend system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811395775.8A CN111206853A (en) 2018-11-22 2018-11-22 Glass pushes away window new trend system

Publications (1)

Publication Number Publication Date
CN111206853A true CN111206853A (en) 2020-05-29

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ID=70786548

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811395775.8A Pending CN111206853A (en) 2018-11-22 2018-11-22 Glass pushes away window new trend system

Country Status (1)

Country Link
CN (1) CN111206853A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112474700A (en) * 2020-10-20 2021-03-12 杭州拓胜建筑工程有限公司 Production equipment and method for preparing recycled building material from building waste
CN116025241A (en) * 2023-01-03 2023-04-28 济南达临韵材五金建材销售有限公司 Aluminum alloy door and window with fresh air system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112474700A (en) * 2020-10-20 2021-03-12 杭州拓胜建筑工程有限公司 Production equipment and method for preparing recycled building material from building waste
CN116025241A (en) * 2023-01-03 2023-04-28 济南达临韵材五金建材销售有限公司 Aluminum alloy door and window with fresh air system
CN116025241B (en) * 2023-01-03 2023-08-18 广东省星际铝业有限公司 Aluminum alloy door and window with fresh air system

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Application publication date: 20200529

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