CN214501540U - Building ventilation and air purification system applying solar energy - Google Patents

Abstract

The application relates to a building ventilation and air purification system applying solar energy, which comprises a purification shell, wherein an air inlet pipe and an air outlet pipe are connected on the purification shell, a filter plate is arranged in the purification shell, the filter plate is sequentially primary-efficient and high-efficiency along the direction far away from the air inlet pipe, mainly, gaseous filter and suction fan, it has four to supply filter male sockets respectively to open on the terminal surface that purifies the casing and keep away from ground, the inner wall that purifies the casing has the filter male slot of confession along the direction of height sunkenly, it has sealing door to articulate on the socket, the filter is close to open-ended side fixedly connected with handle, it has the handle male socket of confession to open on the sealing door, sealing door and the relative position fixedly connected with hasp of articulated department, it is connected with the card strip to purify the casing and rotate with the relative position of hasp, the face of casing is purified at the axis of rotation perpendicular to place of card strip, the length of card strip is less than the length of hasp and is greater than the width of hasp. This application has the more convenient and fast's of change filter effect.

Description

Building ventilation and air purification system applying solar energy

Technical Field

The application relates to the field of air purification, in particular to a building ventilation and air purification system applying solar energy.

Background

Solar energy is a renewable energy source. The solar energy is an important component of energy used by human beings, and is developed continuously. The solar energy is utilized in a photo-thermal conversion mode and a photoelectric conversion mode, and solar power generation is a new renewable energy source.

At present, a commonly used solar energy conversion carrier is a solar panel, solar energy is converted into electric energy through the solar panel and then transmitted to each electric equipment or electric appliance, in order to respond to the call of environmental protection and energy conservation, a solar power supply mode is also adopted in an air purification system for a building, and the building roof is installed on the roof due to high sunlight illumination intensity and long time.

Building ventilation and air purification systems are usually installed outside the building and contain multiple layers of filter screens that need to be replaced or cleaned at intervals in order to ensure that the ventilation and air purification system is better purifying the air.

Aiming at the related technologies, the inventor thinks that each layer of the existing filter screen is arranged and installed in sequence, and each layer of the filter screen has different cleaning functions and inconsistent replacement period, and has the defect that the filter screen is not quick and convenient to replace.

SUMMERY OF THE UTILITY MODEL

In order to make air purification system's filter screen change swift convenient, this application provides an use building ventilation and air purification system of solar energy.

The application provides an use building ventilation and air purification system of solar energy adopts following technical scheme:

the utility model provides an use building ventilation and air purification system of solar energy, includes and purifies the casing, its characterized in that: the air purification device is characterized in that an air inlet pipe and an air outlet pipe are connected to the purification shell, four filter plates are installed in the purification shell, a primary filter plate, a high-efficiency filter plate, a main filter plate, a gas filter plate and an exhaust fan are sequentially arranged on the four filter plates along the direction far away from the air inlet pipe, four sockets for the primary filter plate, the high-efficiency filter plate, the main filter plate and the gas filter plate to be inserted are formed in the end face, far away from the ground, of the purification shell, the inner wall of the purification shell is recessed along the height direction and provided with slots for the filter plates to be inserted, sealing doors are hinged to the sockets, the size of each sealing door is larger than that of each socket, a handle is fixedly connected to the side face, close to the opening, of each filter plate, each sealing door is provided with a socket for the handle to be inserted, a lock catch is fixedly connected to the position, opposite to the lock catch, of the purification shell is rotatably connected with a clamping strip, the rotating shaft of the clamping strip is perpendicular to the surface of the purifying shell, and the length of the clamping strip is smaller than that of the lock catch and larger than the width of the lock catch.

Through adopting the above technical scheme, through being equipped with the socket on purifying the casing, the inner wall that purifies the casing is equipped with the slot along the direction of height, make the filter can get into in the slot through the socket, and slide in along the slot, make the filter fix in purifying the casing, the size through articulated sealing door and sealing door is greater than the size of socket, make and close sealing door after fixing the filter, make the socket blocked up by sealing door so that the difficult filtration region that gets into of outside air among the filtering process, make clean system normal work, through the slot, sealing door's setting, make every filter can independently change, thereby make and change filter convenient and fast more.

Through setting up hasp and card strip, the length of card strip is less than the length of hasp, make the card strip rotate to when unanimous with the length direction of hasp, the projection of card strip on the hasp is located the hasp, make the card strip can pass the hasp, make the sealing door can open, length through card strip and be greater than the width of hasp, make the card strip rotate to when unanimous with the length of card strip and the width direction of hasp, the projection length of card strip on the hasp is greater than the width of hasp, make the hasp can card build a hu hasp, make the sealing door fixed on purifying housing, thereby make the difficult entering of external air purify regional, and then make purification efficiency higher.

Through setting up the jack on the sealing door for the handle passes the sealing door through the jack, makes the sealing door can close by the lid, through setting up the handle, makes when changing the filter, can carry the handle extraction or put down, makes to change the filter better impetus occasionally, makes to change the filter more laborsaving, and the handle stretches out simultaneously and purifies the casing, and the hand is difficult to be purified the casing and is carried when making putting down the filter, has promoted the security of changing the filter.

Preferably, the handle and the jack are respectively provided with two and are uniformly distributed in the width direction of the shell surface.

Through adopting above-mentioned technical scheme, through two handles of equipartition at the width direction who purifies the casing for the stress point of the filter of taking is more, and ventilation and air purification system for building's filter is great, and many stress points can draw the filter simultaneously, thereby make to change the filter more convenient.

Preferably, a sealing ring is arranged on the surface, close to the socket, of the sealing door, the area of the sealing ring is larger than that of the socket, and the thickness of the sealing ring is larger than a gap between the sealing door and the socket.

Through adopting above-mentioned technical scheme, because the thickness of sealing washer is greater than the clearance between sealing door and the socket for the lid closes sealing door back sealing washer and receives the extrusion, makes the sealing washer more closely block up the clearance between sealing door and the socket, makes the difficult entering of outside air purify the region, thereby makes the efficiency of purification higher.

Preferably, the rotation angle of the sealing door along the hinge shaft is 120-180 degrees.

Through adopting above-mentioned technical scheme, because the turned angle of sealing door is 120~180 for the sealing door is opening the back, receives the effect of gravity and falls down towards the direction of keeping away from the socket, makes the sealing door do not need the people to fix, only needs can accomplish the operation alone when making the change filter, thereby makes to change the filter more convenient.

Preferably, a plurality of rolling pieces are uniformly distributed on the surface of the filter plate inserted into the slot, and a rolling groove for rolling the roller is recessed on the inner wall of the purification shell.

Through adopting above-mentioned technical scheme, owing to set up the rolling piece on the face of filter for the filter turns into rolling friction with the sliding friction who purifies the casing at the in-process of taking, makes the filter change the in-process and purify the frictional force between the casing and diminish, thereby makes to change the filter more laborsaving.

Preferably, the groove depth of the rolling groove is larger than the distance from the plate surface of the filter plate where the rolling piece is located to the bottom of the rolling groove closest to the rolling roller.

Through adopting above-mentioned technical scheme, the groove depth through the rolling groove is greater than the filter to the distance of gyro wheel, make the gyro wheel be at the rolling inslot completely, make the position that the spout is close to the filter support tightly for the filter, make the filter shutoff block up the notch of rolling groove, make the air that needs to be purified be difficult for flowing into next layer from the clearance between the rolling groove of filter, make the air that needs to be purified can only follow the filtration zone process of filter and get into next filter, thereby make the effect of purification better.

Preferably, the equipartition has a plurality of bolster on purifying the casing and being close to the shell face on ground, the bolster include with purifying casing fixed connection's fixed pipe, the buffer beam has been cup jointed in the fixed pipe, the cross-sectional area of buffer beam is less than fixed pipe cross-sectional area, the tip fixedly connected with stabilizer blade that fixed pipe was kept away from to the buffer beam, the cross-sectional area of stabilizer blade is greater than the cross-sectional area of buffer beam, buffer spring has been cup jointed to the buffer beam between fixed pipe and the stabilizer blade.

Through adopting above-mentioned technical scheme, because the cross-sectional area of buffer beam is less than the cross-sectional area of fixed pipe for during the buffer beam can insert fixed pipe, the cross-sectional area of stabilizer blade is greater than the cross-sectional area of buffer beam, make buffer spring card on the buffer beam between fixed pipe and stabilizer blade, thereby constitute buffer structure and alleviate ventilation and air purification system vibrations that produce at the during operation, make purification system's difficult because the wearing and tearing of vibrations production part, thereby the cost of maintenance equipment has been reduced.

Preferably, the tip fixedly connected with limiting plate of buffer beam in the fixed pipe, the fixedly connected with spacing ring that purifies the casing is kept away from to the fixed pipe, the axis of spacing ring and the equal collineation of the axis of fixed pipe, buffer beam, the inner ring size of spacing ring is greater than the size of buffer beam cross section, the size of spacing plate is greater than the size of spacing ring inner ring and is less than the size of fixed intraductal wall.

Through adopting above-mentioned technical scheme, because the storage of limiting plate is less than the size of fixed pipe inner wall, the inner ring size of spacing ring is greater than the size of buffer beam cross section, make the limiting plate slide in fixed intraductal, make the bolster can normal action, be greater than the size of spacing ring inner ring through the size of spacing plate, make the limiting plate by the spacing ring card in fixed pipe, make the buffer beam by limiting plate connection be difficult for droing from fixed pipe, make the bolster play cushioning effect more steadily, make clean system's difficult because vibrations produce the wearing and tearing of part, thereby maintenance equipment's cost has been reduced.

Preferably, a ladder stand is installed outside the purification shell, and the height of the ladder stand is equal to that of the purification shell.

Through adopting above-mentioned technical scheme, ventilation and air purification system for building highly higher, highly equals with the height that purifies the casing through the cat ladder for on climbing the cat ladder to the shell face at sealing door place when changing the filter, make with the help of human potential energy and the pulling force that leans backward take out the filter, put down the filter with the help of the gravitational potential energy of filter, thereby make to change the filter more laborsavingly.

Preferably, the surface of the purification shell where the sealing door is located is fixedly connected with guardrails, and the guardrails are respectively connected to all edges of the shell surface where the sealing door is located.

Through adopting above-mentioned technical scheme, because the guardrail is installed around purifying the casing, stand when changing the filter and be difficult for dropping on purifying the casing, the security when having increased the change filter.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the filter plate replacing device, the socket is arranged on the purifying shell, the slot is formed in the inner wall of the purifying shell along the height direction, the sealing door is hinged, the size of the sealing door is larger than that of the socket, and each filter plate can be replaced independently through the arrangement of the slot and the sealing door, so that the filter plates can be replaced more conveniently and rapidly;

2. the rotating angle of the sealing door is preferably 120-180 degrees, the rolling piece is arranged on the plate surface of the filter plate, the ladder stand is arranged on the purifying shell, and the height of the ladder stand is equal to that of the purifying shell, so that the filter plate is more labor-saving to replace;

3. the cross-sectional area of the buffer rod is smaller than that of the fixed pipe, the cross-sectional area of the support leg is larger than that of the buffer rod, the storage size of the limiting plate is smaller than that of the inner wall of the fixed pipe, the size of the inner ring of the limiting ring is larger than that of the cross section of the buffer rod, and the size of the limiting plate is larger than that of the inner ring of the limiting ring, so that the cleaning system is not easy to wear parts due to vibration, and the cost of maintaining equipment is reduced;

4. this application is preferred to be adopted because the guardrail is installed around purifying the casing, has increased the security when changing the filter.

Drawings

Fig. 1 is a schematic view of the overall structure of the ventilation and air-cleaning system of the present application.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is an enlarged schematic view of a portion B of fig. 1.

Description of reference numerals: 1. purifying the shell; 11. an air inlet pipe; 12 air outlet pipe; 13. a filter plate; 131. a primary filter plate; 132. a high-efficiency filter plate; 133. a main filter plate; 134. a gas filter plate; 2. a socket; 21. a jack; 22. a slot; 3. a sealing door; 31. locking; 32. clamping the strip; 4. a rolling member; 41. a fixing plate; 42. a roller; 44. a rolling groove; 5. a buffer member; 51. a fixed tube; 52. a buffer rod; 53. a buffer spring; 54. a limiting plate; 55. a limiting ring; 6. climbing a ladder; 7. and (4) a guardrail.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses building ventilation and air purification system applying solar energy. Referring to fig. 1 and 2, building ventilation and air purification system using solar energy is including purifying casing 1, it is connected with air-supply line 11 and play tuber pipe 12 on the purification casing 1, install four filter 13 in the purification casing 1, be equipped with on the purification casing 1 and supply filter 13 male socket 2, it has confession filter 13 male slot 22 to purify casing 1 sunken, it has sealing door 3 to articulate on the socket 2, fixedly connected with handle 135 on the filter 13, it has confession handle 135 male jack 21 to open on the sealing door 3, fixedly connected with hasp 31 on the sealing door 3, it is connected with card strip 32 to purify casing 1 and the relative position rotation of hasp 31, the length of card strip 32 is less than the length of hasp 31 and is greater than the width of hasp 31.

Referring to fig. 1 and 2, the cross section of purifying casing 1 is the rectangle, the direction of following the keeping away from air-supply line 11 in the purifying casing 1 is in proper order for just imitating filter 131, high efficiency filter 132, main filter 133, gaseous filter 134 and suction fan, air-supply line 11 is four prismatic table with play tuber pipe 12, air-supply line 11 extends along the direction of keeping away from purifying casing 1, the area of air-supply line 11 and play tuber pipe 12 along the cross section of extending direction all reduces gradually, filter 13 is rectangular shaped plate, the face that casing 1 was purified in the filter face perpendicular to socket 2 place of filter 13.

Referring to fig. 1, two handles 135 and two insertion holes 21 are uniformly distributed along the width direction of the shell surface.

Referring to fig. 1, install cat ladder 6 outside purifying housing 1, cat ladder 6 highly equals with purifying housing 1's height, fixedly connected with guardrail 7 on the face of purifying housing 1 that sealing door 3 is located, guardrail 7 has four, connects respectively on four edges of place shell face.

Referring to fig. 1 and 2, the length direction of the socket 2 is rectangular, the length direction of the socket 2 is consistent with the width direction of the purifying shell 1, the cross section of the socket 2 and the cross section of the slot 22 are rectangular, the length of the slot 22 is equal to the height of the purifying shell 1, the depth of the slot of the cutting is smaller than the thickness of the filter plate 13, and the width of the slot 22 is larger than the width of the filter plate 13.

Referring to fig. 1 and 2, the sealing door 3 is a rectangular door, the length direction of the sealing door 3 is consistent with the length direction of the socket 2, the width of the sealing door 3 is consistent with the width direction of the socket 2, the length of the sealing door 3 is greater than the length of the socket 2, the width of the sealing door 3 is greater than the width of the socket 2, the rotation angle of the sealing door 3 along the hinge shaft is 180 ° in the embodiment, other embodiments can also be 120 ° and 150 ° and the like, a sealing ring is arranged on the surface of the sealing door 3 close to the socket 2, the area of the sealing ring is greater than the area of the socket 2, and the thickness of the sealing ring is greater than the gap between the sealing door 3 and the socket 2.

Referring to fig. 1 and 2, a plurality of rolling members 4 are uniformly distributed on the plate surface of the filter plate 13 inserted into the slot 22, each rolling member 4 comprises two opposite fixing plates 41 fixedly connected to the filter screen, a rotating hole is formed in each fixing plate 41, the axes of the two rotating holes are collinear, the length direction of each rotating hole is consistent with the plate width direction of the filter plate 13, fixing rods are fixedly connected to the two rotating holes, each fixing rod is a round rod, a roller 42 is rotatably connected to each fixing rod, a rolling groove 44 for rolling the roller 42 is formed in the inner wall of the purification shell 1 in a recessed mode, the groove depth of each rolling groove 44 is larger than the distance from the plate surface of the filter plate 13 where the rolling member 4 is located to the bottom of the roller 42, the groove width of each rolling groove 44 is larger than the thickness of the roller 42, and the height of the rolling groove 44 is equal to the height of the slot 22.

Referring to fig. 1 and 3, fixedly connected with bolster 5 on the shell surface that purifies casing 1 and be close to ground, bolster 5 has four and connects respectively on four angles of shell surface, bolster 5 include with purify casing 1 fixed connection's fixed pipe 51, fixed pipe 51 is the pipe, the endotheca has buffer beam 52 in the fixed pipe 51, buffer beam 52 also is the round bar, the external diameter of buffer beam 52 is less than the internal diameter of fixed pipe 51, the tip fixedly connected with stabilizer blade 56 of fixed pipe 51 is kept away from to buffer beam 52, stabilizer blade 56 is a round platform, the circular table face that the volume is little above the stabilizer blade 56 is connected with buffer beam 52 and is greater than the cross-sectional area of buffer beam 52, buffer beam 52 between fixed pipe 51 and the stabilizer blade 56 has cup jointed buffer spring 53, buffer spring 53 is a pressure spring.

Referring to fig. 3, a limit plate 54 is fixedly connected to an end portion of the buffer rod 52 in the fixed pipe 51, the limit plate 54 is a circular plate, the fixed pipe 51 is far away from a fixedly connected limit ring 55 of the purification shell 1, an axis of the limit ring 55 is collinear with axes of the fixed pipe 51 and the buffer rod 52, and a diameter of the limit plate 54 is larger than diameters of inner rings of the buffer rod 52 and the limit ring 55 and is smaller than an inner diameter of the fixed pipe 51.

The implementation principle of the building ventilation and air purification system applying solar energy is as follows: according to the more certain filter 13 of change cycle of difference, rotate card strip 32 to length unanimous with the length of hasp 31, open sealing door 3, grasp handle 135 and mention the filter 13 that needs to be changed upwards, take out after with new filter 13 reinsertion, cover sealing door 3, rotate card strip 32 to length unanimous with the width of hasp 31, the change of filter 13 is accomplished to the agent.

Through being equipped with socket 2 on purifying casing 1, the inner wall that purifies casing 1 is equipped with slot 22 along the direction of height, make filter 13 can get into in the slot 22 through socket 2, size through articulated sealing door 3 and sealing door 3 is greater than socket 2's size, make and close sealing door 3 after fixing filter 13, through slot 22 and sealing door 3's setting, make every filter 13 can independently change, thereby make and change filter 13 convenient and fast more.

The rotation angle of the sealing door 3 is 120 degrees, 150 degrees and 180 degrees, so that the sealing door 3 is not fixed by people, and the filter plate 13 is more convenient to replace.

Through the length of card strip 32 and be greater than the width of hasp 31 for card strip 32 can block hasp 31, makes sealing door 3 fixed on purifying housing 1, thereby makes the difficult entering purification area of external air, and then makes purification efficiency higher.

Through set up jack 21 and handle 135 on sealing door 3 for there is better impetus when changing filter 13, makes to change filter 13 more laborsaving, makes the hand be difficult for being cliied by purifying casing 1 when putting down filter 13, has promoted the security of changing filter 13.

Install through guardrail 7 and purify the casing 1 around, stand when changing filter 13 and be difficult for dropping on purifying casing 1, increased the security when changing filter 13.

The height of the crawling ladder 6 is equal to that of the purifying shell 1, so that the crawling ladder 6 is climbed to the shell surface where the sealing door 3 is located when the filter plate 13 is replaced, and the replacement of the filter plate 13 is more labor-saving.

Thickness through the sealing washer is greater than the clearance between sealing door 3 and the socket 2 for the sealing washer blocks up the clearance between sealing door 3 and the socket 2 more closely, makes the difficult entering purification area of outside air, thereby makes the efficiency of purification higher.

The groove depth through the rolling groove is greater than the distance from the filter plate 13 to the roller 43, so that the notch of the rolling groove is blocked by the filter plate 13, the air to be purified is not easy to flow into the next layer from the gap between the rolling grooves of the filter plate 13, and the purification effect is better.

Through the cross-sectional area of buffer rod 52 being less than the cross-sectional area of fixed pipe 51, the cross-sectional area of stabilizer blade 56 is greater than the cross-sectional area of buffer rod 52 for buffer spring 53 blocks on the buffer rod 52 between fixed pipe 51 and stabilizer blade 56, makes the difficult wearing and tearing that produces the part because of vibrations of clean system, thereby has reduced the cost of maintenance equipment.

The size of the inner wall of the fixed pipe 51 is smaller than the storage of the limiting plate 54, the size of the inner ring of the limiting ring 55 is larger than the size of the cross section of the buffer rod 52, so that the buffer piece 5 can normally act, the size of the limiting plate 54 is larger than the size of the inner ring of the limiting ring 55, the buffer rod 52 connected by the limiting plate 54 is not easy to fall off from the fixed pipe 51, the buffer piece 5 can play a buffering role more stably, and the cost of maintenance equipment is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides an use building ventilation and air purification system of solar energy, includes and purifies casing (1), its characterized in that: the air purification device is characterized in that an air inlet pipe (11) and an air outlet pipe (12) are connected to the purification shell (1), four filter plates (13) are installed in the purification shell (1), the four filter plates (13) are sequentially an initial effect filter plate (131), a high efficiency filter plate (132), a main filter plate (133), a gas filter plate (134) and an exhaust fan along the direction away from the air inlet pipe (11), four insertion sockets (2) which are respectively used for inserting the initial effect filter plate (131), the high efficiency filter plate (132), the main filter plate (133) and the gas filter plate (134) are opened on the end face away from the ground of the purification shell (1), slots (22) which are used for inserting the filter plates (13) are sunken along the height direction of the inner wall of the purification shell (1), sealing doors (3) are hinged to the insertion sockets (2), the size of the sealing doors (3) is larger than that of the insertion sockets (2), the filter plates (13) are close to the side faces of the opening and are fixedly connected with handles (135), it has supply handle (135) male socket (2) to open on sealing door (3), sealing door (3) and articulated relative position fixedly connected with hasp (31) of department, it is connected with card strip (32) to purify casing (1) and hasp (31) relative position rotation, the axis of rotation perpendicular to of card strip (32) is the face of purifying casing (1) at place, the length of card strip (32) is less than the length of hasp (31) and is greater than the width of hasp (31).

2. The solar energy applied building ventilation and air purification system according to claim 1, wherein: the two handles (135) and the two jacks (21) are uniformly distributed in the width direction of the shell surface.

3. The solar energy applied building ventilation and air purification system according to claim 1, wherein: the sealing door is characterized in that a sealing ring is arranged on the surface, close to the socket (2), of the sealing door (3), the area of the sealing ring is larger than that of the socket (2), and the thickness of the sealing ring is larger than the gap between the sealing door (3) and the socket (2).

4. The solar energy applied building ventilation and air purification system according to claim 3, wherein: the angle of the sealing door (3) rotating along the hinged shaft is 120-180 degrees.

5. The solar energy applied building ventilation and air purification system according to claim 1, wherein: the filter plate (13) is inserted into the plate surface in the slot (22) and is evenly distributed with a plurality of rolling pieces (4), and the inner wall of the purifying shell (1) is sunken with a rolling groove (44) for the rolling of the roller (42).

6. The solar energy applied building ventilation and air purification system according to claim 5, wherein: the depth of the rolling groove (44) is larger than the distance from the plate surface of the filter plate (13) where the rolling piece (4) is located to the bottom of the rolling groove (44) closest to the roller (42).

7. The solar energy applied building ventilation and air purification system according to claim 1, wherein: purify casing (1) and be close to the equipartition on the shell face on ground and have a plurality of bolster (5), bolster (5) include with purification casing (1) fixed connection's fixed pipe (51), buffer beam (52) have been cup jointed in fixed pipe (51), the cross-sectional area of buffer beam (52) is less than fixed pipe (51) cross-sectional area, the tip fixedly connected with stabilizer blade (56) of fixed pipe (51) are kept away from in buffer beam (52), the cross-sectional area of stabilizer blade (56) is greater than the cross-sectional area of buffer beam (52), buffer spring (53) have been cup jointed in buffer beam (52) between fixed pipe (51) and stabilizer blade (56).

8. The solar energy applied building ventilation and air purification system according to claim 7, wherein: the utility model discloses a purification casing, including buffer rod (52), fixed pipe (51), axis of buffer rod (52) and the equal collineation of axis of fixed pipe (51), buffer rod (52), buffer rod (54) tip fixedly connected with limiting plate (54) in fixed pipe (51), the fixedly connected with spacing ring (55) of purifying casing (1) are kept away from in fixed pipe (51), the axis of spacing ring (55) and the equal collineation of axis of fixed pipe (51), buffer rod (52), the inner ring size of spacing ring (55) is greater than the size of buffer rod (52) cross section, the size of limiting plate (54) is greater than spacing ring (55) inner ring size and is less than the size of fixed pipe (51) inner wall.

9. The solar energy applied building ventilation and air purification system according to claim 1, wherein: the purification shell (1) is externally provided with a ladder stand (6), and the height of the ladder stand (6) is equal to that of the purification shell (1).

10. The solar energy applied building ventilation and air purification system according to claim 1, wherein: fixedly connected with guardrail (7) on the face of purifying casing (1) at sealing door (3) place, guardrail (7) are connected respectively on all edges of place shell face.

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