CN216877628U - Ventilation device in underground space - Google Patents

Ventilation device in underground space Download PDF

Info

Publication number
CN216877628U
CN216877628U CN202123410545.4U CN202123410545U CN216877628U CN 216877628 U CN216877628 U CN 216877628U CN 202123410545 U CN202123410545 U CN 202123410545U CN 216877628 U CN216877628 U CN 216877628U
Authority
CN
China
Prior art keywords
dust
underground space
pipeline
air
ventilation device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202123410545.4U
Other languages
Chinese (zh)
Inventor
王海丰
肖秋凤
唐菲
张智峰
常伟
王若男
杨明霞
刘宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Wisusp Urban Program Design Co ltd
Original Assignee
Nanjing Wisusp Urban Program Design Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Wisusp Urban Program Design Co ltd filed Critical Nanjing Wisusp Urban Program Design Co ltd
Priority to CN202123410545.4U priority Critical patent/CN216877628U/en
Application granted granted Critical
Publication of CN216877628U publication Critical patent/CN216877628U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The utility model provides a ventilation device in an underground space, which belongs to the technical field of underground spaces and comprises: the dust collection mechanism comprises a plurality of dust collection covers arranged on the top boundary of the wall body of the underground space; the pneumatic mechanism comprises an air inlet pipeline and a plurality of rotary wind blades for enabling dust in the underground space to flow towards the dust collecting cover of the dust collecting mechanism; the dust removing mechanism is connected with the dust collecting mechanism and the air inlet pipeline of the pneumatic mechanism; the dust collecting mechanism and the pneumatic mechanism are both arranged in the underground space. The utility model solves the problems that the existing ventilating device is generally composed of a fan and a pipeline, the dust in a certain area in the underground space is often poor in discharging effect and the discharged dust is lack of purification treatment measures in the using process.

Description

Ventilation device in underground space
The technical field is as follows:
the utility model belongs to the technical field of underground spaces, and particularly relates to a ventilation device in an underground space.
Background art:
underground space refers to the building space below the earth's surface, like civil air defense engineering, when cleaning the underground space that the main part was tentatively accomplished, its normal work is influenced to inside production a large amount of dusts, and the air circulation nature of self is relatively poor in the underground space, need be with the help of breather.
However, the existing ventilating device is generally composed of a fan and a pipeline, and in the using process, the dust in a certain area inside the underground space is often poor in discharging effect and the discharged dust is lack of purification treatment measures.
The utility model has the following contents:
in view of the technical defects mentioned in the above, the utility model provides a ventilation device in an underground space, which solves the problems that the existing ventilation device is generally composed of a fan and a pipeline, the dust in a certain area inside the underground space is often poor in discharge effect in the use process, and the discharged dust is lack of purification treatment measures.
In one embodiment of the present invention, there is provided a ventilation apparatus in an underground space, including:
the dust collection mechanism comprises a plurality of dust collection covers arranged on the top boundary of the wall body of the underground space;
the pneumatic mechanism comprises an air inlet pipeline and a plurality of rotary air blades for enabling dust in the underground space to flow towards the dust collecting cover of the dust collecting mechanism;
the dust removal mechanism is connected with the dust collection mechanism and the air inlet pipeline of the pneumatic mechanism; and
the dust collecting mechanism and the pneumatic mechanism are both arranged in the underground space.
In one embodiment, the dust collection mechanism further comprises:
the air circulation pipeline is connected with the air outlet ends of the dust collection covers and the dust removal mechanism, and the interiors of the air circulation pipeline, the air outlet ends of the dust collection covers and the dust removal mechanism are communicated;
and the first fan is arranged on the air circulation pipeline and used for forming airflow entering the dust removal mechanism from the dust collection cover through the air circulation pipeline.
In one embodiment, the air circulation duct is detachably fixed to a ceiling of the underground space by a fixing member.
In one embodiment, the pneumatic mechanism further comprises:
the mounting rack is detachably fixed in the top area of the underground space and internally provided with the air inlet pipeline;
the wind power driving unit is arranged on the mounting frame;
the loading disc is horizontally placed, is connected with the wind power driving unit and is positioned below the wind power driving unit;
the wind blade mounting ring is positioned on the outer side of the periphery of the loading disc and is detachably fixed with the plurality of rotary wind blades along the ring body; and
and the connecting piece is used for connecting the wind blade mounting ring with the loading disc.
In one embodiment, the dust removing mechanism includes:
the ash storage device comprises a cylinder body, a loading chamber and an ash storage chamber, wherein the top end of the cylinder body is opened, the center of the cylinder body is provided with the loading chamber, and the periphery of the center of the cylinder body is provided with the ash storage chamber communicated with the top end;
the inner part of the cylinder cover is provided with a circulation hole communicated with the ash storage chamber, and the cylinder cover is horizontally and rotatably connected to the top end of the cylinder body;
the inside of the communicating plate frame is provided with an ash flowing channel communicated with the circulating hole, and the frame edge is fixedly connected with the cylinder cover;
a plurality of dust removal filter bag, the equal detachably joint of top end opening is in on the bottom of intercommunication grillage and inside with the ash flow channel intercommunication of intercommunication grillage.
In one embodiment, the dust removing mechanism further includes:
the suspension disc is detachably and fixedly connected with the top plate of the underground space;
and the dust removal driving unit is arranged on the suspension disc and connected with the communicating plate frame to drive the communicating plate frame to horizontally rotate.
In one embodiment, the dust removing mechanism is provided with a first gas transmission pipeline which is connected with the air circulation pipeline and enables the dust removing mechanism and the air circulation pipeline to be internally communicated, and the first gas transmission pipeline is provided with a second fan.
In one embodiment, a second air transmission pipeline used for communicating the dust removing mechanism and the air inlet pipeline of the pneumatic mechanism is arranged between the dust removing mechanism and the air inlet pipeline of the pneumatic mechanism, and a third fan is arranged on the second air transmission pipeline.
In an embodiment, the wind power driving unit comprises: the loading device comprises a first driving motor and a first driving shaft, wherein one end of the first driving shaft is connected with the output end of the first driving motor, and the other end of the first driving shaft is fixedly connected with the loading disc.
In one embodiment, the dust removal driving unit includes: the one end of second drive shaft and second drive motor's output are connected and the other end with intercommunication grillage fixed connection.
The ventilation device in the underground space collects dust in the underground space through the dust collecting mechanism, the pneumatic mechanism blows the dust in the underground space towards the collecting area of the dust collecting mechanism, the dust collecting mechanism absorbs the dust from the dust collecting mechanism and carries out dust collection treatment, the air after dust collection returns to the underground space through the pneumatic mechanism again and returns to the area of the pneumatic mechanism, the dust-removed air can be diffused to other areas of the underground space more quickly, the circulation reciprocating operation is carried out, the purpose of dust collection treatment raised when the underground space is cleaned is achieved, in the process, the dust collecting covers in the dust collecting mechanism are arranged at the top boundary of the wall body of the underground space and cover the whole underground space area, the dust collecting mechanism has the advantages of wide and comprehensive dust collecting range, and the ventilation device in the underground space solves the problem that the existing ventilation device is generally formed by a fan and a pipeline, the dust-removing device has the problems that the dust-removing effect of a certain area inside the underground space is poor and the dust is not purified in the dust-removing device during the use process.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Description of the drawings:
the teachings of the present invention can be readily understood by considering the following detailed description in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of a ventilation device in an underground space according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the dust removing mechanism after the cartridge cover of the upper part is removed in one embodiment of the utility model.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.
In one embodiment, as shown in fig. 1, the present invention provides a ventilation apparatus in an underground space, comprising: a dust collecting mechanism 10, a pneumatic mechanism 20 and a dust removing mechanism 30.
The dust collecting mechanism 10 comprises a plurality of dust collecting hoods 101 arranged at the top boundary of the wall body of the underground space (the top boundary of the wall body refers to the edge of the top cross section of the underground space), the lower port of each dust collecting hood 101 is used as an air inlet end, the upper port is used as an air outlet end, wherein the caliber of the air inlet end is larger than that of the air outlet end,
the pneumatic mechanism 20 comprises an air inlet pipe 301 and a plurality of rotating wind blades 201 for flowing dust in the underground space towards the dust collection cover 101 of the dust collection mechanism 10, and the air which is filled with dust in the underground space is blown to the vicinity of each dust collection cover 101 in the dust collection mechanism 10 by virtue of clockwise or anticlockwise rotation of the plurality of rotating wind blades 201.
The dust removing mechanism 30 is connected with the dust collecting mechanism 10 and the air inlet pipeline 301 of the pneumatic mechanism 20; and
the dust collecting mechanism 10 and the pneumatic mechanism 20 are both arranged in the underground space.
The ventilation device in the underground space collects dust in the underground space through the dust collecting mechanism 10, the pneumatic mechanism 20 blows the dust in the underground space towards the collecting area of the dust collecting mechanism 10, the dust collecting mechanism 30 absorbs the dust from the dust collecting mechanism 10 and carries out dust collection treatment and returns the air after dust collection to the underground space through the pneumatic mechanism 20, and the air blown by the pneumatic mechanism 20 is better diffused in the underground space and circularly and repeatedly operated to achieve the purpose of dust collection treatment when the underground space is cleaned, and in the process, a plurality of dust collecting covers 101 in the dust collecting mechanism 10 are arranged at the top boundary of the wall body of the underground space and cover the whole underground space area, so that the dust collecting mechanism 10 has the advantages of wide and comprehensive dust collecting range, the ventilation device in the underground space solves the problem that the existing ventilation device is generally formed by a fan and a pipeline, the dust-removing device has the problems that the dust-removing effect of a certain area inside the underground space is poor and the dust is not purified in the dust-removing device during the use process.
As shown in FIG. 1, in one embodiment, the dust collection mechanism 10 further comprises: an air circulation duct 102 and a first fan 103.
The air circulation pipeline 102 is formed by a plurality of plastic pipes or steel pipes which are approximately connected in a square shape, the air circulation pipeline 102 is connected with the air outlet ends of a plurality of dust hoods 101 and the dust removing mechanism 30, the air outlet ends of the dust hoods 101 are communicated with the inside of the air circulation pipeline 102, the dust hoods 101 are distributed at four corners of the air circulation pipeline 102, and the air circulation pipeline 102 is inserted at each corner to complete installation.
The first fan 103 is provided on the air circulation duct 102 for forming an air flow from the dust collection cover 101 into the dust removing mechanism 30 through the air circulation duct 102.
Under the action of the first fan 103, the dust collection cover 101 sucks air in the underground space, and the air enters the air circulation duct 102 from the dust collection cover 101, so that the dust collection mechanism 10 finishes the collection of the air.
In one embodiment, as shown in fig. 1, the air circulation duct 102 is detachably fixed to the ceiling of the underground space by a fixing member 40, and the fixing member 40 may be a clamp, and the clamp is first fixed to the ceiling of the underground space by a screw, and then the air circulation duct 102 is clamped to the clamp and further fixed by a bolt.
As shown in fig. 1, in one embodiment, the pneumatic mechanism 20 further includes: mounting bracket 202, wind power unit 203, loading plate 204, wind blade mounting ring 205 and connecting piece 206.
This mounting bracket 202 includes transverse rod, vertical pole and mount pad, and the cross is crisscross to form by transverse rod and vertical pole, and the mount pad is fixed at the center of cross, and whole mount pad is located pneumatic mechanism 20 central zone, and this admission line 301 is L shape by the lateral wall trompil of mount pad and draws forth from its bottom, and mounting bracket 202 detachably fixes in secret space top region, can be wall body or roof.
In one embodiment, as shown in fig. 1, the ends of the mounting bracket 202 are respectively fixed to the fixing members 40 of the air circulation duct 102 by screws, and the mounting bracket 202 is located inside the air circulation duct 102.
The loading tray 204 is horizontally placed, and the loading tray 204 is connected to the wind driving unit 203 and located below the wind driving unit 203.
The wind driving unit 203 is provided on the mounting frame 202.
The wind blade mounting ring 205 is located the outer side all around of loading dish 204 and is fixed with a plurality of rotatory wind blade 201 along ring body detachably, and rotatory wind blade 201 can adopt bolted connection or joint with wind blade mounting ring 205.
A connector 206 connects the vane mounting ring 205 to the load plate 204, and the connector 206 may be a connector plate.
The wind force driving unit 203 drives the loading disc 204 to rotate so as to drive the wind blade mounting ring 205 and the rotating wind blades 201 thereon to rotate, and the rotating wind blades 201 rotate towards a certain direction to form wind force.
As shown in fig. 1, in an embodiment, the wind driving unit 203 comprises: a first driving motor 2031 and a first driving shaft 2032, one end of the first driving shaft 2032 being connected to an output end of the first driving motor 2031 and the other end being fixedly connected to the loading tray 204. The first driving motor 2031 drives the first driving shaft 2032 to rotate horizontally, and thus drives the loading tray 204 to rotate horizontally.
As shown in fig. 2, in one embodiment, the dust removing mechanism 30 includes: the dust removal device comprises a cylinder body 302, a cylinder cover 303, a communication plate frame 304 and a plurality of dust removal filter bags 305.
The barrel 302 has an open top end, a loading chamber 3021 in the center and an ash storage chamber 3022 in communication with the top end at the center periphery, and the top of the barrel 302 has two rotating grooves with a circular cross section located outside the ash storage chamber 3022, one of which is located between the ash storage chamber 3022 and the loading chamber 3021.
The cylinder cover 303 is internally provided with a circulation hole 3031 communicated with the ash storage cavity 3022, and the cylinder cover 303 is horizontally and rotatably connected with the top end of the cylinder body 302; the outer side of the drum cover 303 has a swivel that protrudes and is horizontally rotatably connected to the swivel groove, and the main body portion thereof extends to the upper region of the loading chamber 3021, and the drum cover 303 covers the loading chamber 3021 and the ash storage chamber 3022 of the drum body 302.
The inside of the communication plate frame 304 is provided with an ash flow channel communicated with the circulation hole 3031, and the frame edge is fixedly connected with the cylinder cover 303; the connecting plate frame 304 is composed of a transverse plate and a vertical plate which are staggered to form a cross shape
The top end openings of the plurality of dust filter bags 305 are detachably engaged on the bottom of the communication plate frame 304 and fixed with screws and internally communicated with the ash flow passage of the communication plate frame 304.
The air enters the dust storage chamber 3022 of the cylinder 302 of the dust removing mechanism 30 from the dust collecting mechanism 10, and enters the dust filter bag 305 along the dust flow passage connecting the frame 304 and the flow hole 3031 of the cylinder cover 303, the dust is filtered in the dust filter bag 305, the dust falls into the dust filter bag 305, and the filtered air enters the pneumatic mechanism 20.
As shown in fig. 2, in an embodiment, the dust removing mechanism 30 further includes: a suspension pan 306 and a dust removal drive unit.
The suspension disc 306 is detachably and fixedly connected with the top plate of the underground space by adopting a screw rod;
the dust removal driving unit is disposed on the suspension tray 306 and connected to the communicating plate frame 304 for driving the communicating plate frame 304 to rotate horizontally.
As shown in fig. 2, in an embodiment, the dust removal driving unit includes: the second driving motor 3061 and the second driving shaft 3062, one end of the second driving shaft 3062 is connected with the output end of the second driving motor 3061, the other end of the second driving shaft 3062 is fixedly connected with the communicating plate rack 304, the second driving motor 3061 drives the second driving shaft 3062 to rotate, and then the communicating plate rack 304 rotates horizontally.
The second driving motor 3061 and the suspension disc 306 are located outside the barrel 302, and the second driving shaft 3062 passes through the barrel cover 303.
As shown in fig. 1, in an embodiment, a first gas transmission pipeline 50 is disposed between the dust removing mechanism 30 and the dust removing mechanism 10 for communicating the interiors of the two, and a second fan is disposed on the first gas transmission pipeline 50. One end of the first air pipe is inserted into the ash storage chamber 3022 of the barrel 302 and the other end is inserted into the air circulation pipe 102.
As shown in fig. 1, in an embodiment, a second air duct 60 is disposed between the dust removing mechanism 30 and the air inlet duct 301 of the pneumatic mechanism 20 for communicating the interior of the dust removing mechanism and the air inlet duct, and a third fan is disposed on the second air duct 60. One end of the second air pipe is inserted into the loading chamber 3021 of the cylinder 302 and the other end is inserted into the air inlet pipe 301 of the pneumatic mechanism 20.
The technical means disclosed by the scheme of the utility model are not limited to the technical means disclosed by the technical means, and also comprise the technical scheme formed by equivalent replacement of the technical features. The present invention is not limited to the details given herein, but is within the ordinary knowledge of those skilled in the art.

Claims (10)

1. A ventilation device in an underground space, comprising:
a dust collecting mechanism (10) comprising a plurality of dust collecting hoods (101) arranged at the top boundary of the wall of the underground space;
the pneumatic mechanism (20) comprises an air inlet pipeline (301) and a plurality of rotary wind blades (201) for enabling dust in the underground space to flow towards the dust collection cover (101) of the dust collection mechanism (10);
the dust removal mechanism (30) is connected with the dust collection mechanism (10) and the air inlet pipeline (301) of the pneumatic mechanism (20); and
the dust collecting mechanism (10) and the pneumatic mechanism (20) are arranged in the underground space.
2. A ventilation apparatus in an underground space according to claim 1, characterized in that: the dust collection mechanism (10) further comprises:
the air circulation pipeline (102) is connected with the air outlet ends of the dust collection covers (101) and the dust removal mechanism (30), and the air circulation pipeline, the air outlet ends of the dust collection covers and the dust removal mechanism are communicated with each other;
and the first fan (103) is arranged on the air circulation pipeline (102) and is used for forming air flow entering the dust removal mechanism (30) from the dust collection cover (101) through the air circulation pipeline (102).
3. A ventilation device in an underground space according to claim 2, characterized in that: the air circulation duct (102) is detachably fixed to the ceiling of the underground space by a fixing member (40).
4. A ventilation device in an underground space according to claim 1, characterized in that: the pneumatic mechanism (20) further comprises:
a mounting frame (202) detachably fixed in the top area of the underground space and internally provided with the air inlet pipeline (301);
a wind power driving unit (203) arranged on the mounting frame (202);
a loading tray (204) which is horizontally arranged, is connected with the wind power driving unit (203) and is positioned below the wind power driving unit (203);
the wind vane mounting ring (205) is positioned on the outer side of the periphery of the loading disc (204) and is detachably fixed with a plurality of rotary wind vanes (201) along the ring body; and
a connector (206) connecting the vane mounting ring (205) with the loading disc (204).
5. A ventilation device in an underground space according to claim 1, characterized in that: the dust removing mechanism (30) includes:
a barrel (302) which is open at the top end, has a loading chamber (3021) at the center and has an ash storage chamber (3022) communicated with the top end at the periphery of the center;
the cylinder cover (303) is internally provided with a circulation hole (3031) communicated with the ash storage chamber (3022), and the cylinder cover (303) is horizontally and rotatably connected to the top end of the cylinder body (302);
a communicating plate frame (304) which is internally provided with an ash flowing channel communicated with the circulating hole (3031) and is fixedly connected with the cylinder cover (303) at the frame side;
a plurality of dust filter bags (305) with top openings detachably engaged on the bottom of the communication plate frame (304) and the inside communicated with the ash flow passage of the communication plate frame (304).
6. A ventilation device in an underground space according to claim 5, characterized in that: the dust removing mechanism (30) further includes:
a hanging plate (306) detachably and fixedly connected with the top plate of the underground space;
and the dust removal driving unit is arranged on the suspension disc (306), is connected with the communication plate frame (304) and is used for driving the communication plate frame (304) to horizontally rotate.
7. A ventilation device in an underground space according to claim 2, characterized in that: the dust removing mechanism (30) is provided with a first gas transmission pipeline (50) which is connected with the air circulation pipeline (102) and enables the dust removing mechanism (30) and the air circulation pipeline (102) to be communicated with each other, and a second fan (70) is arranged on the first gas transmission pipeline (50).
8. A ventilation device in an underground space according to claim 1, characterized in that: a second air transmission pipeline (60) used for communicating the interior of the dust removing mechanism (30) and the air inlet pipeline (301) of the pneumatic mechanism (20) is arranged between the dust removing mechanism and the air inlet pipeline, and a third fan (80) is arranged on the second air transmission pipeline (60).
9. A ventilation device in an underground space according to claim 4, characterized in that: the wind power drive unit (203) comprises: the loading device comprises a first driving motor (2031) and a first driving shaft (2032), wherein one end of the first driving shaft (2032) is connected with the output end of the first driving motor (2031), and the other end of the first driving shaft is fixedly connected with the loading disc (204).
10. A ventilation device in an underground space according to claim 6, characterized in that: the dust removal drive unit includes: the device comprises a second driving motor (3061) and a second driving shaft (3062), wherein one end of the second driving shaft (3062) is connected with the output end of the second driving motor (3061), and the other end of the second driving shaft is fixedly connected with the communicating plate frame (304).
CN202123410545.4U 2021-12-31 2021-12-31 Ventilation device in underground space Active CN216877628U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123410545.4U CN216877628U (en) 2021-12-31 2021-12-31 Ventilation device in underground space

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123410545.4U CN216877628U (en) 2021-12-31 2021-12-31 Ventilation device in underground space

Publications (1)

Publication Number Publication Date
CN216877628U true CN216877628U (en) 2022-07-05

Family

ID=82210496

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123410545.4U Active CN216877628U (en) 2021-12-31 2021-12-31 Ventilation device in underground space

Country Status (1)

Country Link
CN (1) CN216877628U (en)

Similar Documents

Publication Publication Date Title
CN212672119U (en) Anti-blocking centrifugal fan
CN219317230U (en) High-efficiency dust-removing energy-saving centrifugal ventilator
CN109289340A (en) A kind of waste gas purification environmental protection equipment
CN111714984A (en) Circulating dust removal system of pellet chain grate
CN209076335U (en) A kind of dust-extraction unit for textile manufacturing workshop
CN216877628U (en) Ventilation device in underground space
CN209735186U (en) Waste gas drainage fan for chemical plant
CN210409958U (en) Single-machine dust remover convenient for cleaning filter cylinder
CN116272218A (en) Rotary switching type air flow ash removal bag type dust remover
CN111365811A (en) Non-electric ventilation dust remover in closed space
CN106513143A (en) Closed-loop powder paint production system
CN207470218U (en) A kind of self-ventilation coal mine dedusting device
CN114797321B (en) Filter cartridge dust remover
CN213821237U (en) Dust collector
CN211536890U (en) Energy-concerving and environment-protective warehouse dust collector
CN210964441U (en) Offline chambered pulse dust collector with high dust removal efficiency
CN217327390U (en) Mining axial-flow type wet dust removal fan
CN215121700U (en) Communication base station machine room ventilation dust collecting equipment
CN220037089U (en) Centrifugal fan with filter component
CN209362132U (en) A kind of wet scrubber
CN219430229U (en) Down product cooling device with dust removal function
CN219888298U (en) High-efficient edulcoration air-blower
CN214552169U (en) High-efficient environment-friendly ventilation dust collecting equipment
CN211215924U (en) Automatic dust removal device
CN217539102U (en) Centrifugal general fan

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant