CN215388455U

CN215388455U - Environment-friendly exhaust apparatus for building

Info

Publication number: CN215388455U
Application number: CN202120863511.1U
Authority: CN
Inventors: 欧国原; 毛祥华; 陈清山; 蒋国平
Original assignee: Zhongjiandamintai Build Development Co ltd
Current assignee: Zhongjiandamintai Build Development Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2022-01-04
Anticipated expiration: 2031-04-25

Abstract

The utility model relates to an environment-friendly exhaust device for buildings, and belongs to the technical field of building dust removal. Including mounting panel and support column, support column fixed mounting is in the mounting panel bottom, from left to right in proper order fixed mounting on the mounting panel top has fan, cyclone and row's ash bucket, fan input intercommunication has the intake pipe, and the output is through first connecting pipe and cyclone intercommunication, the cyclone top is through second connecting pipe and row's ash bucket intercommunication, row's ash bucket right side wall fixed mounting has the purifying box, purifying box one end intercommunication row's ash bucket, other end intercommunication have the blast pipe, the mounting panel below is provided with the dust collection box, cyclone and row's ash bucket bottom downwardly extending pass the mounting panel and insert dust collection box and dust collection box intercommunication. The utility model solves the problems that harmful gases in the building exhaust device in the prior art can not be effectively treated, and the like.

Description

Environment-friendly exhaust apparatus for building

Technical Field

The utility model relates to an environment-friendly exhaust device for buildings, and belongs to the technical field of building dust removal.

Background

The building refers to an asset formed by artificial construction, belongs to the category of fixed assets, and comprises two categories of houses and structures, wherein each house refers to an engineering building for people to live, work, study, production, management, entertainment, storage of articles and other social activities, the building is different from the building, the structures refer to engineering buildings except the houses, such as enclosing walls, roads, dams, water wells, tunnels, water towers, bridges, chimneys and the like, a large amount of dust and part of harmful gas are generated in the process of building construction, and an exhaust device is needed to remove polluted gas.

At present, the exhaust apparatus structure that disposes at the job site is comparatively crude, just filters the dust through fan guide air current and filter equipment, and the partial harmful gas that contains in the contaminated gas does not obtain effectual processing, and the emission of long-time nothing saves must can the polluted atmosphere, causes serious influence to the environment, does not accord with green's ecological theory.

The prior art has the problems that harmful gases cannot be effectively treated, and the like, so the utility model provides an environment-friendly exhaust device for buildings, which is used for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that harmful gases cannot be effectively treated and the like in the existing building exhaust device, the utility model designs an environment-friendly exhaust device for buildings, and the air purification effect of the utility model is good.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an environment-friendly exhaust device for buildings comprises a mounting plate and a support column, wherein the support column is fixedly mounted at the bottom of the mounting plate, a fan, a cyclone separator and an ash discharge barrel are sequentially and fixedly mounted at the top end of the mounting plate from left to right, the input end of the fan is communicated with an air inlet pipe, the output end of the fan is communicated with the interior of the cyclone separator through a first connecting pipe, the top of the cyclone separator is communicated with the interior of the ash discharge barrel through a second connecting pipe, a purifying box is fixedly mounted on the right side wall of the ash discharge barrel, one end of the purifying box is communicated with the interior of the ash discharge barrel, the other end of the purifying box is communicated with an exhaust pipe communicated with the outside, a dust collection box is arranged below the mounting plate, and the bottom ends of the cyclone separator and the ash discharge barrel respectively extend downwards through the mounting plate and are inserted into the dust collection box to be communicated with the interior of the dust collection box; an air pump is fixedly installed at the top of the purification box, an ash removal mechanism and a pneumatic motor are arranged in the purification box, the pneumatic motor is fixedly installed in the middle of the purification box, the ash removal mechanism is fixedly installed on the upper wall of the purification box on the left side of the pneumatic motor, a round coarse filter plate is fixedly installed on an output shaft of the pneumatic motor, the ash removal mechanism is communicated with a second air pipe, one end, away from the ash removal mechanism, of the second air pipe is communicated with the air outlet end of the pneumatic motor, the air inlet end of the pneumatic motor is communicated with a first air pipe, and one end, away from the pneumatic motor, of the first air pipe is communicated with the air pump; pneumatic motor right side is provided with purification mechanism, purification mechanism includes fixed plate and installed part, installed part fixed connection is in the fixed plate bottom, the installed part bottom is inserted in the purifying box from the purifying box top, the installed part shape is the looks adaptation with the purifying box inside, the fixed plate passes through fixing bolt and purifying box fixed connection, it has gas passage to open on the installed part, from left to right fixed circular smart filter plate, anion generator and the active carbon pipe of having set gradually in the gas passage.

The dust collection box is characterized in that a supporting plate is movably connected into the dust collection box, an adjusting spring is arranged at the bottom end of the supporting plate, the supporting plate is movably connected with the inner bottom surface of the dust collection box through the adjusting spring, a contact switch is fixedly arranged on the inner bottom surface of the dust collection box, a pressure sensor is fixedly arranged at the top of the inner wall of the ash discharge barrel, a cushion block is arranged at the bottom of the dust collection box, the cushion block is fixedly arranged between the purification box and a mounting plate, a controller is fixedly arranged on the cushion block, and a fan, an air pump, an anion generator, the contact switch and the pressure sensor are respectively electrically connected with the controller.

The top end of the dust collection box is provided with a box cover, the box cover is provided with two first guide pipes penetrating through the box cover from top to bottom, and the cyclone separator and the extension end of the ash discharge barrel are respectively inserted into the corresponding first guide pipes to be communicated with the dust collection box; and the bottom end of the dust collection box is fixedly provided with a support leg assembly and a roller assembly.

The cyclone separator is characterized in that a sleeve is arranged above the cyclone separator, the bottom end of the sleeve extends downwards and is inserted into the cyclone separator, and the second connecting pipe is sleeved in the sleeve and is communicated with the cyclone separator together with the communication end of the cyclone separator.

The controller is provided with an indicator light and a buzzer, and the indicator light and the buzzer are respectively and electrically connected with the controller.

The improved dust cleaning device is characterized in that a first connecting rod is arranged in the purifying box, two ends of the first connecting rod are fixedly connected with the upper wall and the lower wall of the inner cavity of the purifying box respectively, the pneumatic motor is fixedly connected with the purifying box through the first connecting rod, the dust cleaning mechanism comprises a gas collecting box, the gas collecting box is fixedly mounted on the upper wall of the inner cavity of the purifying box, one side, close to the circular thick filter plate, of the gas collecting box is provided with a plurality of air nozzles, and the other side of the gas collecting box is communicated with a second air pipe.

The number of the support leg assemblies and the number of the roller assemblies are four, the four support leg assemblies are fixedly arranged at four corners of the bottom of the dust collection box respectively, and the four roller assemblies are arranged on the inner sides of the support leg assemblies respectively; stabilizer blade subassembly includes from last screw rod, regulating wheel and the callus on the sole that sets gradually extremely down, the callus on the sole is hollow, regulating wheel bottom and callus on the sole fixed connection, the screw rod bottom pass regulating wheel and callus on the sole and with regulating wheel threaded connection.

The bottom end of the box cover is fixedly provided with a connecting frame, the connecting frame is sleeved inside the top end of the dust collection box, a sealing ring is arranged on the outer side of the connecting frame, and the shape of the connecting frame is matched with that of the dust collection box.

Compared with the prior art, the utility model has the following characteristics and beneficial effects: 1. the environment-friendly exhaust device for the building comprises a cyclone separator, a circular coarse filter plate and a purification mechanism, wherein a fan sucks polluted gas through an air inlet pipe, the polluted gas is discharged into the cyclone separator through a first connecting pipe, the polluted gas enters an ash discharge barrel through a second connecting pipe after most of dust is filtered, part of fine dust is filtered by the coarse filter plate and enters a purification box, fine particle impurities are filtered again through a fine filter plate in the purification mechanism, then the impurities in the gas are settled through negative ions generated by a negative ion generator, finally, harmful substances such as formaldehyde, benzene and alkyl are absorbed by an activated carbon pipe, and finally, the harmful substances are discharged through an exhaust pipe and are effectively removed through multi-stage filtration, so that the polluted gas is prevented from polluting the atmosphere and influencing the environment;

2. the environment-friendly exhaust device for the building is provided with the ash removal mechanism, the pneumatic motor, the air pump and the pressure sensor, when the air permeability of a first filter screen coarse filter plate which is most easily blocked is influenced by the adhesion of excessive dust, the pressure sensor detects that the pressure inside the ash removal barrel is increased, the controller controls the air pump to work, the air flow generated by the air pump drives the pneumatic motor to work, so that the coarse filter plate is driven to rotate, meanwhile, the gas at the air outlet end of the pneumatic motor enters the ash removal mechanism through the second air pipe, high-pressure gas is sprayed out through an air nozzle in the ash removal mechanism to wash the dust on the coarse filter plate, the blocking phenomenon can be effectively prevented, the permeability of the coarse filter plate is ensured, the load of a fan is reduced, and the service life is prolonged;

3. the environment-friendly exhaust device for the building can take the fixed plate and the mounting part out of the purification box by arranging the purification mechanism and rotating the fixing bolt, and can take the fixed plate and the mounting part out of the purification box by arranging the roller component, the supporting leg component and the contact switch, when the dust storage in the dust box reaches a certain degree, the gravity of the dust presses the supporting plate and the adjusting spring down, when the lower end of the supporting plate contacts the contact switch, the controller controls the indicator lamp to flash, the buzzer sounds to remind the working personnel to clean in time, thereby preventing the dust from being accumulated too much and influencing the working efficiency, when the dust needs to be conveyed, the adjusting wheel of the supporting leg component can be rotated to reduce the height of the supporting leg component, so that the roller component can land on the ground to push the dust box, the adjusting wheel can be rotated when the dust box needs to be fixed, the dust box can be fixed by suspending the roller component, and meanwhile, the height of the dust box can be adjusted by the supporting leg component, the butt joint of first stand pipe and second stand pipe of being convenient for has improved adaptability and practicality.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the interior of the purification box of the present invention;

FIG. 3 is a connection diagram of the purification box and the purification mechanism of the present invention.

Wherein the reference numerals are: 1. mounting a plate; 2. a support pillar; 3. a fan; 4. a cyclone separator; 5. an ash discharging barrel; 6. cushion blocks; 7. an air inlet pipe; 8. a first connecting pipe; 9. a second connecting pipe; 10. a controller; 11. an indicator light; 12. a buzzer; 13. a purification box; 131. a first connecting rod; 14. a circular coarse filter plate; 15. a dust removal mechanism; 151. a gas collection tank; 152. an air tap; 16. a pneumatic motor; 17. an air pump; 18. a first air pipe; 19. a second air pipe; 20. a purification mechanism; 201. a fixing plate; 202. a mounting member; 2021. a gas channel; 203. fixing the bolt; 204. a circular fine filter plate; 205. an activated carbon tube; 206. a negative ion generator; 21. an exhaust pipe; 22. a dust collection box; 23. a box cover; 24. a first guide tube; 25. a sleeve; 26. a support plate; 27. adjusting the spring; 28. a contact switch; 29. a roller assembly; 30. a leg assembly; 301. a screw; 302. an adjustment wheel; 303. a foot pad; 31. a pressure sensor; 32. and (7) connecting the frames.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-3, the environment-friendly exhaust device for buildings in this embodiment includes a mounting plate 1 and a support column 2, the support column 2 is fixedly installed at the bottom of the mounting plate 1, a fan 3 is fixedly installed on the top of the mounting plate 1 from left to right, the dust collecting device comprises a cyclone separator 4 and an ash discharging barrel 5, wherein the input end of a fan 3 is communicated with an air inlet pipe 7, the output end of the fan 3 is communicated with the inside of the cyclone separator 4 through a first connecting pipe 8, the top of the cyclone separator 4 is communicated with the inside of the ash discharging barrel 5 through a second connecting pipe 9, the right side wall of the ash discharging barrel 5 is fixedly provided with a purifying box 13, one end of the purifying box 13 is communicated with the inside of the ash discharging barrel 5, the other end of the purifying box is communicated with an exhaust pipe 21 communicated with the outside, a dust collecting box 22 is arranged below a mounting plate 1, and the bottom ends of the cyclone separator 4 and the ash discharging barrel 5 respectively extend downwards through the mounting plate 1 and are inserted into the dust collecting box 22 to be communicated with the inside of the dust collecting box 22; an air pump 17 is fixedly installed at the top of the purification box 13, an ash cleaning mechanism 15 and a pneumatic motor 16 are arranged inside the purification box 13, the pneumatic motor 16 is fixedly installed in the middle of the purification box 13, the ash cleaning mechanism 15 is fixedly installed on the upper wall of the purification box 13 on the left side of the pneumatic motor 16, a round coarse filter plate 14 is fixedly installed on an output shaft of the pneumatic motor 16, the ash cleaning mechanism 15 is communicated with a second air pipe 19, one end, away from the ash cleaning mechanism 15, of the second air pipe 19 is communicated with an air outlet end of the pneumatic motor 16, an air inlet end of the pneumatic motor 16 is communicated with a first air pipe 18, and one end, away from the pneumatic motor 16, of the first air pipe 18 is communicated with the air pump 17; the right side of the pneumatic motor 16 is provided with a purification mechanism 20, the purification mechanism 20 comprises a fixing plate 201 and a mounting part 202, the mounting part 202 is fixedly connected to the bottom end of the fixing plate 201, the bottom end of the mounting part 202 is inserted into the purification box 13 from the top of the purification box 13, the shape of the mounting part 202 is matched with that of the purification box 13, the fixing plate 201 is fixedly connected with the purification box 13 through a fixing bolt 203, a gas channel 2021 is formed in the mounting part 202, and a circular fine filter plate 204, a negative ion generator 206 and an activated carbon tube 205 are sequentially and fixedly arranged in the gas channel 2021 from left to right.

Further, a supporting plate 26 is movably connected in the dust collection box 22, an adjusting spring 27 is arranged at the bottom end of the supporting plate 26, the supporting plate 26 is movably connected with the inner bottom surface of the dust collection box 22 through the adjusting spring 27, a contact switch 28 is further fixedly arranged on the inner bottom surface of the dust collection box 22, a pressure sensor 31 is fixedly arranged at the top of the inner wall of the dust discharge barrel 5, a cushion block 6 is arranged at the bottom of the purification box 13, the cushion block 6 is fixed between the purification box 13 and the mounting plate 1, a controller 10 is fixedly arranged on the cushion block 6, and the fan 3, the air pump 17, the anion generator 206, the contact switch 28 and the pressure sensor 31 are respectively and electrically connected with the controller 10.

Furthermore, a box cover 23 is arranged at the top end of the dust collection box 22, two first guide pipes 24 penetrating through the box cover 23 from top to bottom are arranged on the box cover 23, and the extension ends of the cyclone separator 4 and the ash discharge barrel 5 are respectively inserted into the corresponding first guide pipes 24 to be communicated with the dust collection box 22; the bottom end of the dust box 22 is fixedly provided with a leg assembly 30 and a roller assembly 29.

Further, a sleeve 25 is arranged above the cyclone separator 4, the bottom end of the sleeve 25 extends downwards and is inserted into the cyclone separator 4, and the communicating end of the second connecting pipe 9 and the cyclone separator 4 is sleeved in the sleeve 25 and is communicated with the cyclone separator 4.

Further, the controller 10 is provided with an indicator light 11 and a buzzer 12, and the indicator light 11 and the buzzer 12 are respectively electrically connected with the controller 10.

Further, a first connecting rod 131 is arranged in the purifying box 13, two ends of the first connecting rod 131 are respectively fixedly connected with the upper wall and the lower wall of the inner cavity of the purifying box 13, the pneumatic motor 16 is fixedly connected with the purifying box 13 through the first connecting rod 131, the ash cleaning mechanism 15 comprises a gas collecting box 151, the gas collecting box 151 is fixedly installed on the upper wall of the inner cavity of the purifying box 13, one side of the gas collecting box 151, which is close to the circular coarse filter plate 14, is provided with a plurality of gas nozzles 152, and the other side of the gas collecting box is communicated with the second gas pipe 19.

Further, the number of the leg assemblies 30 and the number of the roller assemblies 29 are four, the four leg assemblies 30 are respectively fixedly installed at four corners of the bottom of the dust box 22, and the four roller assemblies 29 are respectively arranged at the inner sides of the leg assemblies 30; the foot assembly 30 comprises a screw 301, an adjusting wheel 302 and a foot pad 303 which are sequentially arranged from top to bottom, the foot pad 303 is hollow, the bottom end of the adjusting wheel 302 is fixedly connected with the foot pad 303, and the bottom end of the screw 301 penetrates through the adjusting wheel 302 and the foot pad 303 and is in threaded connection with the adjusting wheel 302.

Further, a connecting frame 32 is fixedly arranged at the bottom end of the box cover 23, the connecting frame 32 is sleeved inside the top end of the dust collection box 22, a sealing ring is arranged on the outer side of the connecting frame 32, and the shape of the connecting frame 32 is matched with that of the dust collection box 22.

The working principle of the utility model is as follows: this environment-friendly exhaust apparatus for building, through cyclone 4, circular coarse filter plate 14 and purification mechanism 20, fan 3 will be inhaled through intake pipe 7 by contaminated gas, then discharge into cyclone 4 through first connecting pipe 8, after filtering most dust, get into ash bucket 5 through second connecting pipe 9, get into purifying box 13 after circular coarse filter plate 14 filters the tiny dust of part, filter tiny particle impurity again through circle shape fine filter plate 204 in purification mechanism 20, then subside the impurity in the gas through the anion that anion generator 206 produced, finally absorb harmful substance such as formaldehyde, benzene and alkyl by activated carbon tube 205, discharge through blast pipe 21 finally, through multistage filtration, the dust and the harmful substance in the contaminated gas are effectual to be removed, prevent the polluted atmosphere, influence the environment, through setting up deashing mechanism 15, the ash collector is used for removing, the ash in the contaminated gas, the environment is prevented from being polluted, the mechanism is influenced, The pneumatic motor 16, the air pump 17 and the pressure sensor 31, when the first filter screen round coarse filter plate 14 which is most easy to block affects the air permeability because of the excessive dust attached, the pressure sensor 31 detects that the pressure inside the ash discharging barrel 5 is increased, the controller 10 controls the air pump 17 to work, the air flow generated by the air pump 17 drives the pneumatic motor 16 to work, thereby driving the round coarse filter plate 14 to rotate, meanwhile, the air at the air outlet end of the pneumatic motor 16 enters the ash cleaning mechanism 15 through the second air pipe 19, the high-pressure air is sprayed out through the air nozzle 152 in the ash cleaning mechanism 15, so as to wash the dust on the round coarse filter plate 14, the occurrence of the blocking phenomenon can be effectively prevented, the permeability of the round coarse filter plate 14 is ensured, the load of the fan 3 is reduced, the service life is prolonged, by arranging the purifying mechanism 20, the fixing bolt 203 can take the fixing plate 201 and the mounting part 202 out of the purifying box 13, by arranging the spliced mounting part 202, by arranging the roller assembly 29, the leg assembly 30 and the contact switch 28, when the dust storage in the dust box 22 reaches a certain degree, the support plate 26 and the adjusting spring 27 are pressed down by the gravity of the dust, when the lower end of the support plate 26 contacts the contact switch 28, the indicator 11 is controlled by the controller 10 to flash, the buzzer 12 sounds to remind the worker to clean in time and prevent the excessive dust from being accumulated to influence the working efficiency, when the dust needs to be conveyed, the adjusting wheel 302 of the leg assembly 30 can be rotated to reduce the height of the leg assembly 30, so that the roller assembly 29 lands, the dust box 22 can be pushed, the adjusting wheel 302 can be rotated when the dust needs to be fixed, the dust box 22 can be fixed by suspending the roller assembly 29, and meanwhile, the height of the dust box 22 can be adjusted by the leg assembly 30 to facilitate the docking of the first guide duct 24 with the cyclone 4 and the lower end of the dust discharging barrel 5.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An environment-friendly exhaust apparatus for building which characterized in that: including mounting panel (1) and support column (2), support column (2) fixed mounting is in mounting panel (1) bottom, from left to right in proper order fixed mounting in mounting panel (1) top has fan (3), cyclone (4) and row ash bucket (5), fan (3) input intercommunication has intake pipe (7), and the output of fan (3) is through first connecting pipe (8) and cyclone (4) inside intercommunication, cyclone (4) top is through second connecting pipe (9) and row ash bucket (5) inside intercommunication, row ash bucket (5) right side wall fixed mounting has purifying box (13), purifying box (13) one end and row ash bucket (5) inside intercommunication, other end intercommunication have blast pipe (21) with external intercommunication, mounting panel (1) below is provided with dust collection box (22), cyclone (4) and row ash bucket (5) bottom are equallyd divide and are passed mounting panel (1) and insert downwards respectively and pass mounting panel (1) and insert The dust collection box (22) is communicated with the interior of the dust collection box (22); the dust cleaning device is characterized in that an air pump (17) is fixedly mounted at the top of the purification box (13), a dust cleaning mechanism (15) and an air motor (16) are arranged in the purification box (13), the air motor (16) is fixedly mounted in the middle of the purification box (13), the dust cleaning mechanism (15) is fixedly mounted on the upper wall of the purification box (13) on the left side of the air motor (16), a round coarse filter plate (14) is fixedly mounted on an output shaft of the air motor (16), the dust cleaning mechanism (15) is communicated with a second air pipe (19), one end, far away from the dust cleaning mechanism (15), of the second air pipe (19) is communicated with an air outlet end of the air motor (16), an air inlet end of the air motor (16) is communicated with a first air pipe (18), and one end, far away from the air motor (16), of the first air pipe (18) is communicated with the air pump (17); pneumatic motor (16) right side is provided with purification mechanism (20), purification mechanism (20) are including fixed plate (201) and installed part (202), installed part (202) fixed connection is in fixed plate (201) bottom, installed part (202) bottom is inserted in purifying box (13) from purifying box (13) top, installed part (202) shape and purifying box (13) inside are the looks adaptation, fixed plate (201) are through fixing bolt (203) and purifying box (13) fixed connection, it has gas passage (2021) to open on installed part (202), from left to right in gas passage (2021) in proper order the fixed circular smart filter plate (204), anion generator (206) and activated carbon tube (205) of being provided with.

2. The environment-friendly exhaust device for buildings according to claim 1, characterized in that: swing joint has backup pad (26) in dust collection box (22), backup pad (26) bottom is provided with adjusting spring (27), bottom surface swing joint in backup pad (26) through adjusting spring (27) and dust collection box (22), still fixed contact switch (28) of being provided with on the bottom surface in dust collection box (22), the fixed pressure sensor (31) that is provided with in top of ash discharge bucket (5) inner wall, purifying box (13) bottom is provided with cushion (6), cushion (6) are fixed between purifying box (13) and mounting panel (1), fixed mounting has controller (10) on cushion (6), fan (3), air pump (17), anion generator (206), contact switch (28) and pressure sensor (31) are connected with controller (10) electricity respectively.

3. The environment-friendly exhaust device for buildings according to claim 1, characterized in that: a box cover (23) is arranged at the top end of the dust collection box (22), two first guide pipes (24) penetrating through the box cover (23) from top to bottom are arranged on the box cover (23), and the extension ends of the cyclone separator (4) and the ash discharge barrel (5) are respectively inserted into the corresponding first guide pipes (24) to be communicated with the dust collection box (22); the bottom end of the dust collection box (22) is fixedly provided with a support leg assembly (30) and a roller assembly (29).

4. The environment-friendly exhaust device for buildings according to claim 1, characterized in that: a sleeve (25) is arranged above the cyclone separator (4), the bottom end of the sleeve (25) extends downwards and is inserted into the cyclone separator (4), and the second connecting pipe (9) is sleeved in the sleeve (25) and communicated with the cyclone separator (4) together with the communication end of the cyclone separator (4).

5. The environment-friendly exhaust device for buildings according to claim 2, characterized in that: the controller (10) is provided with an indicator lamp (11) and a buzzer (12), and the indicator lamp (11) and the buzzer (12) are respectively electrically connected with the controller (10).

6. The environment-friendly exhaust device for buildings according to claim 1, characterized in that: be provided with head rod (131) in purifying box (13), head rod (131) both ends respectively with purifying box (13) inner chamber upper and lower wall fixed connection, pneumatic motor (16) are through head rod (131) and purifying box (13) fixed connection, ash removal mechanism (15) are including gas collection tank (151), gas collection tank (151) fixed mounting is at purifying box (13) inner chamber upper wall, one side that gas collection tank (151) are close to circular thick filter plate (14) is provided with a plurality of air nozzles (152), opposite side and second trachea (19) intercommunication.

7. The environment-friendly exhaust device for buildings according to claim 3, characterized in that: the number of the support leg assemblies (30) and the number of the roller assemblies (29) are four, the four support leg assemblies (30) are respectively and fixedly installed at four corners of the bottom of the dust collection box (22), and the four roller assemblies (29) are respectively arranged on the inner sides of the support leg assemblies (30); stabilizer blade subassembly (30) include from last screw rod (301), regulating wheel (302) and callus on the sole (303) that set gradually down, callus on the sole (303) are hollow, regulating wheel (302) bottom and callus on the sole (303) fixed connection, screw rod (301) bottom pass regulating wheel (302) and callus on the sole (303) and with regulating wheel (302) threaded connection.

8. The environment-friendly exhaust device for buildings according to claim 3, characterized in that: the bottom end of the box cover (23) is fixedly provided with a connecting frame (32), the connecting frame (32) is sleeved inside the top end of the dust collection box (22), a sealing ring is arranged on the outer side of the connecting frame (32), and the shape of the connecting frame (32) is matched with that of the dust collection box (22).