Dust removal and ventilation device for building heating and ventilation engineering

By designing dust removal and ventilation devices for building HVAC projects, including ventilation components, filter components and cleaning components, the problem of filter element blockage during ventilation of HVAC equipment is solved, and effective ventilation and filtration and dust removal functions are achieved, extending the service life of the equipment and reducing costs.

CN119958045APending Publication Date: 2025-05-09CHINA CONSTR SECOND BUREAU INSTALLATION ENG CO LTD
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Patent Information

Application Number
CN202510392824.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2025-05-09

AI Technical Summary

Technical Problem

The existing HVAC lacks an effective dust removal structure during ventilation, resulting in clogging of the filter element, affecting the ventilation effect and equipment operation efficiency.

Method used

A dust removal and ventilation device for building HVAC projects is designed, including ventilation components, filter components and cleaning components. The ventilation assembly generates suction through the fan, the filter assembly uses a filter element for filtering, and the cleaning assembly cleanses the filter element through a booster pump and a nozzle.

Benefits of technology

The ventilation and filtration and dust removal functions are effectively realized, extending the service life of the filter element, reducing blockage, ensuring the effect of dust removal and ventilation, and reducing the cost of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a dust removal and ventilation device for building heating and ventilation engineering, and relates to the technical field of dust removal and ventilation of heating and ventilation equipment.The dust removal and ventilation device comprises a ventilation assembly, a filtering assembly is arranged at one end of the ventilation assembly, a cleaning assembly is arranged on the outer side of the filtering assembly, and the ventilation assembly comprises a ventilation grille; and a fan is arranged on the inner side of the ventilation grille. The annular pipe and the booster pump machine are connected through the first communicating pipe, and the booster pump machine and the cleaning liquid box are communicated through the second communicating pipe, so that cleaning liquid in the cleaning liquid box can be pumped out through the second communicating pipe through operation of the booster pump machine, and then the cleaning liquid is conveyed to the annular pipe through the booster pump machine to be distributed; and finally, the dust and impurities on the filter element are uniformly and fully washed and cleaned, so that the cleanliness of the filter element is ensured, the service life of the filter element is prolonged, and the blockage condition is reduced.
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Description

Technical Field

[0001] The invention relates to the technical field of dust removal and ventilation of HVAC equipment, in particular to a dust removal and ventilation device for building HVAC engineering. Background Art

[0002] HVAC is an integral part of a building, including heating, ventilation and air conditioning. Functionally, it is also an indispensable part of future families. Ventilation devices are essential devices in building HVAC projects.

[0003] In the prior art, a Chinese patent (patent publication number: CN113750668A) discloses a dust removal and ventilation device for building HVAC engineering, including a cylindrical dust removal cylinder, a top cover is bolted to the top of the dust removal cylinder, and the top cover forms an air inlet pipe connected to the inside of the dust removal cylinder; a bottom cover is connected to the bottom of the dust removal cylinder, and a dust discharge hopper connected to the inside of the dust removal cylinder is formed on the bottom cover; a back-blow pipe is installed on the side wall of the dust removal cylinder, and an air outlet is opened on the side of the side wall of the dust removal cylinder opposite to the back-blow pipe; a rotatable mounting assembly for fixing the dust filter cylinder is arranged inside the dust removal cylinder, and the dust filter cylinders are distributed in a circular array on the rotatable mounting assembly in the vertical direction, and the air inlet pipe, the rotatable mounting assembly, the dust filter cylinder, and the air outlet form a dust removal air duct. The dust removal and ventilation device in this technical solution can continuously perform ventilation and dust removal operations, which is convenient for workers to dynamically maintain it without affecting the heating and ventilation needs of residents.

[0004] The existing building HVAC equipment lacks an effective dust removal structure during the ventilation process, so that after long-term ventilation use, the filter element is prone to clogging, affecting the ventilation effect, thereby reducing the efficiency of the HVAC equipment and affecting the effect of the equipment operation. To solve the above problems, a dust removal and ventilation device for building HVAC projects is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a dust removal and ventilation device for building HVAC engineering, so as to solve the problem that dust accumulates during operation of the prior art proposed in the above background technology, resulting in blockage over time and affecting the operation effect of HVAC equipment.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a dust removal and ventilation device for building HVAC engineering, comprising a ventilation assembly, a filter assembly is arranged at one end of the ventilation assembly, a cleaning assembly is arranged at the outside of the filter assembly, the ventilation assembly comprises a ventilation grille, a fan is arranged at the inner side of the ventilation grille, a ventilation hood is fixedly connected to the side of the ventilation grille, a ventilation duct is connected to the side of the ventilation hood, the filter assembly comprises a filter core, one end of the ventilation duct is connected to an air intake hood, the filter core is arranged at the inner side of a latch fastener, the fan is installed at the inner side of the ventilation grille, the fan rotates at a high speed to generate suction, the ventilation hood cooperates with the ventilation duct to be connected to the inside of the air intake hood, and the effect of exhausting air is realized, which is conducive to the gas being sucked in through the air intake hood, and then filtered through the filter core, thereby realizing the functions of effective ventilation, filtration and dust removal, which is conducive to ensuring the normal operation of HVAC equipment;

[0007] The cleaning component includes an annular tube, a plurality of nozzles are distributed in an annular shape inside the annular tube, a first connecting tube is fixedly connected to the side of the annular tube, one end of the first connecting tube is fixedly connected to a booster pump, a second connecting tube is fixedly connected to the bottom of the booster pump, and one end of the second connecting tube is fixedly connected to a cleaning liquid tank. During operation, nozzles are distributed inside the annular tube, the annular tube and the booster pump are connected through the first connecting tube, and the booster pump and the cleaning liquid tank are connected through the second connecting tube, which is beneficial for the cleaning liquid inside the cleaning liquid tank to be extracted through the second connecting tube through the operation of the booster pump, and then transported to the annular tube distribution through the booster pump, and finally sprayed out through the nozzle with booster pressure, which is beneficial for uniformly and fully flushing and cleaning the dust and impurities on the filter element, thereby ensuring the cleanliness of the filter element, extending the service life of the filter element, reducing blockage, ensuring the dust removal and ventilation effect, and reducing the cost of use.

[0008] Preferably, a plurality of drainage holes are formed through the bottom of the air intake hood, and a water receiving box is installed at the bottom of the air intake hood. A first filter screen and a second filter screen are arranged on the inner side of the water receiving box, and the second filter screen is arranged below the first filter screen. The drainage holes facilitate the discharge of cleaned water and the flow of water into the water receiving box. In the process of flowing into the water receiving box, the first filter screen and the second filter screen provide multiple filtering treatments for the used water, which is beneficial to the continued recycling of the water source in the later stage and improves the energy saving effect.

[0009] Preferably, a side mounting plate is movably mounted at one end of the air intake hood, a plurality of latch fasteners are distributed on the outer side of the side mounting plate, a mounting piece is arranged on the outer side of the filter element, the side mounting plate is connected to one end of the mounting piece, the mounting piece provides an installation function for the filter element, the side mounting plate is connected to the filter element, and the side mounting plate is fixedly mounted on one end of the air intake hood by means of latch fasteners, and the latch fasteners can provide a quick disassembly function.

[0010] Preferably, a circulation pipe is fixedly connected to the side of the water receiving box, one end of the circulation pipe is fixedly connected to a circulation pump, a return pipe is fixedly connected to the side of the circulation pump, one end of the return pipe is fixedly connected to the top of the cleaning liquid tank, the circulation pipe is connected to the circulation pump, and a return pipe is connected between the circulation pump and the cleaning liquid tank, so as to facilitate the use of the circulation pump to generate suction, extract the filtered liquid inside the water receiving box through the circulation pipe, and then transport it to the internal storage of the cleaning liquid tank through the return pipe, thereby realizing effective recycling function and reducing resource waste.

[0011] Preferably, a plurality of fan blades are evenly distributed on the outer wall of the fan, and the fan blades are all arranged on the inner side of the ventilation grille. The fan blades are distributed on the outer side of the fan, thereby facilitating the fan to rotate and drive the fan blades to generate wind force, thereby achieving effective ventilation function.

[0012] Preferably, a power cord is provided on the outside of the ventilation grille, and a connecting plate is connected to one end of the ventilation duct. The power cord can be used to connect the power supply, and the connecting plate facilitates the provision of a stable installation connection for the ventilation duct.

[0013] Preferably, a connecting piece is provided at one end of the filter element, and a side surface of the connecting piece is connected to a side surface of a connecting plate, and an effective ventilation function is achieved through the connection between the connecting piece and the connecting plate.

[0014] Preferably, a plurality of ventilation slots are evenly penetrated through the outer wall of the air intake hood, a ventilation plate is provided at the other end of the air intake hood, and a plurality of ventilation holes are penetrated through the side of the ventilation plate. The ventilation slots and the ventilation holes cooperate with each other to provide effective ventilation, and at the same time, the ventilation plate can be used to block the inhalation of larger objects, thereby providing protection for the fan.

[0015] Preferably, an injection port is provided on the top of the cleaning liquid tank, and a sealing cover is provided on the top of the injection port, so that cleaning liquid can be conveniently injected into the interior of the cleaning liquid tank through the injection port, and effective sealing can be achieved through the sealing cover.

[0016] Preferably, a snap ring is provided on the outer side of the latch fastener, and the snap ring is respectively connected to the side mounting plate and the air intake hood, so that the snap ring can provide an effective installation and fastening function, and at the same time facilitates quick installation and disassembly.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. In the present invention, the annular tube is connected to the booster pump through the first connecting tube, and the booster pump is connected to the cleaning liquid tank through the second connecting tube, which is conducive to extracting the cleaning liquid inside the cleaning liquid tank through the second connecting tube through the operation of the booster pump, and then transporting it to the annular tube for distribution through the booster pump, and finally spraying it out through the nozzle with booster pressure, which is conducive to uniformly and fully flushing and cleaning the dust and impurities on the filter element, thereby ensuring the cleanliness of the filter element, extending the service life of the filter element, reducing blockage, ensuring the dust removal and ventilation effect, and reducing the cost of use.

[0019] 2. In the present invention, the drainage hole facilitates the discharge of the water after cleaning and the flow into the water receiving box. In the process of flowing into the water receiving box, the first filter net and the second filter net provide multiple filtering treatments for the used water, which is beneficial to the continued recycling of the water source in the later stage and improves the energy saving effect.

[0020] 3. In the present invention, the filter element is installed by means of the installation piece, the side-mounted plate is connected to the filter element, and the side-mounted plate is fixedly installed on one end of the air intake hood by means of a latch fastener, and the latch fastener can provide a quick disassembly function. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A three-dimensional diagram of a dust removal and ventilation device for building HVAC engineering according to the present invention;

[0022] Figure 2 This is a schematic structural diagram from another angle of a dust removal and ventilation device for building HVAC engineering of the present invention;

[0023] Figure 3 This is a schematic diagram of the internal cross-sectional structure of a dust removal and ventilation device used in building HVAC engineering of the present invention;

[0024] Figure 4 It is a partially exploded structural schematic diagram of a dust removal and ventilation device for building HVAC engineering of the present invention;

[0025] Figure 5 This is a schematic diagram of the structure of a cleaning component of a dust removal and ventilation device used in a building HVAC project according to the present invention;

[0026] Figure 6 For the present invention Figure 3 A in the figure is an enlarged structural diagram.

[0027] In the figure:

[0028] 1. Ventilation assembly; 101. Ventilation grille; 102. Fan; 103. Fan blade; 104. Power cord; 105. Ventilation hood; 106. Ventilation duct; 107. Connecting plate; 2. Filter assembly; 201. Mounting piece; 202. Filter element; 203. Connecting piece; 204. Ventilation slot; 205. Ventilation plate; 206. Ventilation hole; 207. Side plate; 208. Air intake hood; 209. Drain hole; 210. Latch fastener; 3. Cleaning assembly; 301. Ring pipe; 302. Sprinkler; 303. First connecting pipe; 304. Booster pump; 305. Second connecting pipe; 306. Cleaning liquid tank; 307. Return pipe; 308. Circulation pump; 309. Circulation pipe; 310. Water receiving box; 311. First filter screen; 312. Second filter screen. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example 1: Reference Figure 1-Figure 6 As shown: a dust removal ventilation device for building HVAC engineering, comprising a ventilation component 1, a filter component 2 is arranged at one end of the ventilation component 1, a cleaning component 3 is arranged on the outside of the filter component 2, the ventilation component 1 comprises a ventilation grille 101, a fan 102 is arranged on the inner side of the ventilation grille 101, a ventilation hood 105 is fixedly connected to the side of the ventilation grille 101, a ventilation duct 106 is connected to the side of the ventilation hood 105, the filter component 2 comprises a filter element 202, one end of the ventilation duct 106 is connected to an air intake hood 208, the filter element 202 is arranged on the inner side of a latch fastener 210, the fan 102 is installed on the inner side of the ventilation grille 101, the fan 102 rotates at a high speed to generate suction, the ventilation hood 105 cooperates with the ventilation duct 106 to be connected to the inside of the air intake hood 208, and the air extraction function is realized, which is conducive to the gas being sucked in through the air intake hood 208, and then filtered through the filter element 202, thereby realizing the functions of effective ventilation, filtration and dust removal, which is conducive to ensuring the normal operation of HVAC equipment;

[0031] The cleaning component 3 includes an annular tube 301, a plurality of nozzles 302 are distributed in an annular manner inside the annular tube 301, a first connecting tube 303 is fixedly connected to the side of the annular tube 301, one end of the first connecting tube 303 is fixedly connected to a booster pump 304, a second connecting tube 305 is fixedly connected to the bottom of the booster pump 304, one end of the second connecting tube 305 is fixedly connected to a cleaning liquid tank 306, during operation, nozzles 302 are distributed inside the annular tube 301, the annular tube 301 and the booster pump 304 are connected through the first connecting tube 303, and the booster pump 304 and the cleaning liquid tank 306 are fixedly connected. The cleaning liquid tanks 306 are connected through the second connecting pipe 305, which is conducive to the operation of the booster pump 304 to extract the cleaning liquid inside the cleaning liquid tank 306 through the second connecting pipe 305, and then transport it to the annular pipe 301 for distribution through the booster pump 304, and finally spray it out through the nozzle 302 with pressure increase, which is conducive to uniformly and fully flushing and cleaning the dust and impurities on the filter element 202, thereby ensuring the cleanliness of the filter element 202, extending the service life of the filter element 202, reducing blockage, ensuring the dust removal and ventilation effect, and reducing the cost of use.

[0032] like Figure 5 and Figure 6 As shown, a plurality of drainage holes 209 are formed through the bottom of the air intake hood 208, a water receiving box 310 is installed at the bottom of the air intake hood 208, a first filter 311 and a second filter 312 are provided on the inner side of the water receiving box 310, and the second filter 312 is provided below the first filter 311, so that the water after cleaning can be discharged through the drainage holes 209 and flow into the water receiving box 310. In the process of flowing into the water receiving box 310, the first filter 311 and the second filter 312 provide multiple filtering treatments for the used water, which is beneficial to the continued recycling of the water source in the later stage and improves the effect of energy saving.

[0033] like Figure 3 As shown, a side mounting plate 207 is movably mounted on one end of the air inlet hood 208, and a plurality of latch fasteners 210 are distributed on the outer side of the side mounting plate 207. A mounting member 201 is provided on the outer side of the filter element 202. The side mounting plate 207 is connected to one end of the mounting member 201, and the mounting member 201 provides an installation function for the filter element 202. The side mounting plate 207 is connected to the filter element 202, and the side mounting plate 207 is fixedly mounted on one end of the air inlet hood 208 by means of the latch fasteners 210, and the latch fasteners 210 can provide a quick disassembly function.

[0034] like Figure 5As shown, a circulation pipe 309 is fixedly connected to the side of the water receiving box 310, one end of the circulation pipe 309 is fixedly connected to the circulation pump 308, and a return pipe 307 is fixedly connected to the side of the circulation pump 308. One end of the return pipe 307 is fixedly connected to the top of the cleaning liquid tank 306, and the circulation pump 308 is connected through the circulation pipe 309. The return pipe 307 is connected between the circulation pump 308 and the cleaning liquid tank 306, so that the circulation pump 308 can be used to generate suction, and the filtered liquid inside the water receiving box 310 is extracted through the circulation pipe 309, and then transported to the internal storage of the cleaning liquid tank 306 through the return pipe 307, thereby realizing effective recycling function and reducing resource waste.

[0035] like Figure 4 As shown, a plurality of fan blades 103 are evenly distributed on the outer wall of the fan 102, and the fan blades 103 are all arranged on the inner side of the ventilation grille 101. The fan blades 103 are distributed on the outer side of the fan 102, thereby facilitating the fan 102 to rotate and drive the fan blades 103 to generate wind force, thereby achieving effective ventilation function.

[0036] like Figure 4 As shown, a power cord 104 is provided on the outside of the ventilation grille 101, and a connecting plate 107 is connected to one end of the ventilation duct 106. The power cord 104 can realize the power connection, and the connecting plate 107 facilitates the provision of a stable installation connection for the ventilation duct 106.

[0037] like Figure 4 As shown, a connector 203 is provided at one end of the filter element 202, and the side of the connector 203 is connected to the side of the connecting plate 107. Through the connection between the connector 203 and the connecting plate 107, an effective ventilation function is achieved.

[0038] like Figure 3 As shown, a plurality of ventilation slots 204 are evenly penetrated through the outer wall of the air intake hood 208, a ventilation plate 205 is provided at the other end of the air intake hood 208, and a plurality of ventilation holes 206 are penetrated through the side of the ventilation plate 205. The ventilation slots 204 and the ventilation holes 206 cooperate with each other to provide effective ventilation. At the same time, the ventilation plate 205 can be used to block the inhalation of larger objects, thereby providing protection for the fan 102.

[0039] like Figure 5 As shown, an injection port is provided at the top of the cleaning liquid tank 306, and a sealing cover is provided at the top of the injection port. Cleaning liquid can be conveniently injected into the interior of the cleaning liquid tank 306 through the injection port, and effective sealing can be achieved through the sealing cover.

[0040] like Figure 1 and Figure 3As shown, a snap ring is provided on the outer side of the latch fastener 210, and the snap ring is respectively connected to the side mounting plate 207 and the air intake cover 208. The snap ring can provide an effective installation and fastening function, and at the same time facilitates quick installation and disassembly.

[0041] In the present invention, when the dust removal and ventilation device for building HVAC engineering is used, firstly, the power supply connection can be realized through the power cord 104, and the connection plate 107 facilitates the stable installation connection of the ventilation duct 106, and the fan 102 is installed on the inner side of the ventilation grille 101, and the fan blades 103 are distributed on the outer side of the fan 102, so as to facilitate the fan 102 to drive the rotation, drive the fan blades 103 to generate wind force, realize the effective ventilation function, and then generate suction force, the ventilation hood 105 cooperates with the ventilation duct 106 to be connected to the inside of the air intake hood 208, and realizes the effect of exhausting air, which is conducive to the gas passing through the air intake hood 20 8 is sucked in, and then filtered through the filter element 202, so as to realize the functions of effective ventilation, filtration and dust removal, which is beneficial to ensure the normal operation of the HVAC equipment. The mounting part 201 provides the installation function for the filter element 202. The side mounting plate 207 is connected with the filter element 202, and the side mounting plate 207 is fixedly installed at one end of the air inlet cover 208 through the latch fastener 210, and the latch fastener 210 can provide the function of quick disassembly. During the operation, the nozzle 302 is distributed inside the annular tube 301, and the annular tube 301 is connected with the booster pump 304 through the first connecting pipe 303, and the booster pump 304 is connected with the cleaning liquid tank 306. The cleaning liquid in the cleaning liquid tank 306 is connected through the second connecting pipe 305, which is conducive to the operation of the booster pump 304 to extract the cleaning liquid inside the cleaning liquid tank 306 through the second connecting pipe 305, and then transport it to the annular pipe 301 for distribution through the booster pump 304, and finally spray it out through the nozzle 302 with pressure increase, which is conducive to uniformly and fully flushing and cleaning the dust and impurities on the filter element 202, thereby ensuring the cleanliness of the filter element 202, extending the service life of the filter element 202, reducing the blockage, ensuring the dust removal and ventilation effect, and reducing the cost of use. The water flow after cleaning is discharged through the drainage hole 209 and flows into the water receiving box 310. In the process of flowing into the water receiving box 310, the first filter screen 311 and the second filter screen 312 provide multiple filtering treatments for the used water flow, and are connected to the circulation pump 308 through the circulation pipe 309. A return pipe 307 is connected between the circulation pump 308 and the cleaning liquid tank 306, so that the circulation pump 308 is used to generate suction, and the filtered liquid in the water receiving box 310 is extracted through the circulation pipe 309, and then transported to the internal storage of the cleaning liquid tank 306 through the return pipe 307, thereby realizing the effective recycling function, reducing resource waste, being beneficial to the continued recycling of water sources in the later stage, and improving the energy saving effect.

[0042] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dust removal and ventilation device for building HVAC engineering, comprising a ventilation assembly (1), characterized in that: A filter assembly (2) is arranged at one end of the ventilation assembly (1), a cleaning assembly (3) is arranged on the outside of the filter assembly (2), the ventilation assembly (1) comprises a ventilation grille (101), a fan (102) is arranged on the inside of the ventilation grille (101), a ventilation cover (105) is fixedly connected to the side of the ventilation grille (101), a ventilation duct (106) is connected to the side of the ventilation cover (105), the filter assembly (2) comprises a filter core (202), one end of the ventilation duct (106) is connected to an air intake cover (208), and the filter core (202) is arranged on the inside of a latch fastener (210); The cleaning component (3) comprises an annular tube (301), a plurality of nozzles (302) are distributed in an annular pattern on the inner side of the annular tube (301), a first connecting tube (303) is fixedly connected to the side of the annular tube (301), one end of the first connecting tube (303) is fixedly connected to a booster pump (304), a second connecting tube (305) is fixedly connected to the bottom of the booster pump (304), and one end of the second connecting tube (305) is fixedly connected to a cleaning liquid tank (306).

2. The dust removal and ventilation device for building HVAC engineering according to claim 1 is characterized in that: A plurality of drainage holes (209) are provided through the bottom of the air intake cover (208), a water receiving box (310) is installed at the bottom of the air intake cover (208), a first filter screen (311) and a second filter screen (312) are provided inside the water receiving box (310), and the second filter screen (312) is provided below the first filter screen (311).

3. The dust removal and ventilation device for building HVAC engineering according to claim 1 is characterized in that: A side mounting plate (207) is movably mounted on one end of the air inlet cover (208), a plurality of latch fasteners (210) are distributed on the outer side of the side mounting plate (207), a mounting member (201) is arranged on the outer side of the filter core (202), and the side mounting plate (207) is connected to one end of the mounting member (201).

4. The dust removal and ventilation device for building HVAC engineering according to claim 2 is characterized in that: A circulation pipe (309) is fixedly connected to the side of the water receiving box (310), one end of the circulation pipe (309) is fixedly connected to a circulation pump (308), a return pipe (307) is fixedly connected to the side of the circulation pump (308), and one end of the return pipe (307) is fixedly connected to the top of the cleaning liquid tank (306).

5. The dust removal and ventilation device for building HVAC engineering according to claim 1 is characterized in that: A plurality of fan blades (103) are evenly distributed on the outer wall of the fan (102), and the fan blades (103) are all arranged on the inner side of the ventilation grille (101).

6. The dust removal and ventilation device for building HVAC engineering according to claim 1 is characterized in that: A power line (104) is arranged on the outside of the ventilation grille (101), and one end of the ventilation duct (106) is connected to a connecting plate (107).

7. The dust removal and ventilation device for building HVAC engineering according to claim 6 is characterized in that: A connecting piece (203) is provided at one end of the filter core (202), and a side surface of the connecting piece (203) is connected to a side surface of a connecting plate (107).

8. The dust removal and ventilation device for building HVAC engineering according to claim 1 is characterized in that: The outer wall of the air intake hood (208) is evenly penetrated with a plurality of ventilation slots (204), the other end of the air intake hood (208) is provided with a ventilation plate (205), and the side surface of the ventilation plate (205) is penetrated with a plurality of ventilation holes (206).

9. The dust removal and ventilation device for building HVAC engineering according to claim 1, characterized in that: The top of the cleaning liquid tank (306) is provided with an injection port, and the top of the injection port is provided with a sealing cover.

10. The dust removal and ventilation device for building HVAC engineering according to claim 3, characterized in that: A buckle ring is provided on the outer side of the latch fastener (210), and the buckle ring is connected to the side mounting plate (207) and the air intake cover (208) respectively.

Citation Information

Patent Citations

  • Dedusting and ventilating device for heating and ventilation engineering of building

    CN113750668A