CN112370921A - Lotus root stem type flow passage smoke and dust purifying equipment - Google Patents

Abstract

The invention relates to the technical field of environmental protection equipment, in particular to lotus root stem type flow channel smoke dust purification equipment, a back blowing chamber comprises a back blowing chamber shell (101) and an access panel (102), the purification chamber comprises a purification chamber shell (201), a multi-functional double-layer door (203), an equipment air inlet (211), a purification chamber vent pipe (205) and a filter cartridge (206), an ash collecting chamber comprises an ash collecting chamber shell (301) and an ash collecting chamber vent pipe (304), the novel device comprises a dust collection box (305), wherein a dust collection chamber ventilation pipe (304) is communicated with a purification chamber ventilation pipe (205) in a sealing mode, a fan chamber comprises a fan chamber shell (401), an equipment air outlet (402), a fan (404) and a silencer (405), and an air inlet of the fan (404) is communicated with the dust collection chamber ventilation pipe (304) in a sealing mode.

Description

Lotus root stem type flow passage smoke and dust purifying equipment

Technical Field

The invention relates to the technical field of environment-friendly equipment, in particular to lotus root stem type flow channel smoke dust purification equipment.

Background

Industrial welding operations have the advantages of light weight, low cost, high efficiency and the like of welded structures, and therefore market share of welded structures is huge. The total production amount of welding consumables in China is increased at a speed of twenty percent to thirty percent every year, and the welding consumables become one of the countries for producing and consuming large welding materials in the world.

During the welding process, the smoke or fume generated by the welding material often contains toxic substances, such as acetaldehyde, abietic acid, nitrogen oxides, sulfides, metal oxides and the like. With the continuous improvement of environmental awareness, the technology for treating welding fume is also continuously promoted, and the common fume treatment modes are divided into three modes, namely the development of smokeless welding materials, the research of a less-fume welding process and the research of lotus root stem type flow channel fume purification equipment. The smoke and dust clarification plant among the prior art has following problem:

1. the flow channel design of the equipment is mostly a straight-through type, the design is simple, but the product size is larger, the occupied space of a welding operation area and the floor space of a factory building are more, the installation and the arrangement are more inconvenient, and the operation cost of a production unit is increased;

2. the flow channels of the equipment are mostly rectangular channels, the air flow is easy to generate turbulent flow and generate noise, and the size of the air flow needs to be controlled, so that the noise reduction module is not designed sufficiently, and the noise reduction effect is poor;

3. the dust-proof grade of the electric control part is insufficient, and the phenomenon that dust pollutes electric devices easily occurs on the using site of equipment;

4. the air suction flow channel is designed outside the equipment, so that the problems of air leakage and dust collection are easily caused, and the pollution inside the equipment and the unqualified purified air are caused;

5. part of the smoke purifier purifying chambers are directly connected with the outside, so that fire caused by the fact that sparks are sucked easily occurs, and meanwhile, the situation that collected smoke is sprayed easily occurs when equipment is subjected to back blowing;

6. the self-circulation equipment has too long flow channel and too large wind pressure loss, and cannot achieve the expected dust removal effect.

Therefore, how to overcome the above technical problems and disadvantages is a problem to be solved.

Disclosure of Invention

The invention aims to provide lotus root stem type flow channel smoke dust purification equipment to solve the problems in the background technology. The invention innovatively designs the flow channel of the equipment, has the advantages of reducing wind noise, guiding wind, preprocessing large particles, preprocessing particles with sparks and preventing the escape of back-blowing dust, and solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the lotus root stem type flow channel smoke dust purification device sequentially comprises a back blowing chamber, a purification chamber, a dust collecting chamber and a fan chamber which are assembled and connected from top to bottom,

the back flushing chamber comprises a back flushing chamber shell, an access panel arranged at the top of the back flushing chamber shell, a compressed air storage bag arranged in the back flushing chamber shell and a back flushing valve;

the purifying chamber comprises a purifying chamber shell, a multi-functional double-layer door and an equipment air inlet which are arranged on the side part of the purifying chamber shell, and a purifying chamber ventilating pipe arranged in the purifying chamber shell, wherein a filter cartridge accommodating cavity is formed between the purifying chamber shell and the purifying chamber ventilating pipe in a surrounding manner, and a filter cartridge is arranged in the filter cartridge accommodating cavity;

the dust collecting chamber comprises a dust collecting chamber shell, a structural reinforcing plate arranged at the upper end of the dust collecting chamber shell, a partition plate arranged at the lower end of the dust collecting chamber shell and a dust collecting chamber ventilating pipe arranged in the dust collecting chamber shell, a dust collecting box accommodating cavity is formed by the dust collecting chamber shell and the dust collecting chamber ventilating pipe in a surrounding mode, and a dust collecting box is arranged in the dust collecting box accommodating cavity; the ash collection chamber ventilation pipe is communicated with the purification chamber ventilation pipe in a sealing manner;

the fan chamber comprises a fan chamber shell, an equipment air outlet arranged on the fan chamber shell, an equipment bottom plate arranged at the bottom of the fan chamber shell, a fan arranged in the fan chamber shell and a silencer positioned between the fan chamber shell and the fan, wherein the air inlet of the fan is communicated with an ash collection chamber ventilation pipe in a sealing mode.

Further, the compressed air pretreatment device comprises a second-stage oil-water separator and an automatic drain valve.

Furthermore, the upper end of clean room shell sets up porous card, set up on the porous card and will strain a plurality of wind holes that hold chamber and blowback room intercommunication, the quantity of straining a section of thick bamboo is unanimous with wind hole quantity, the ventilation end of straining a section of thick bamboo can be dismantled and connect around the wind hole, ash collection room ventilation pipe and clean room ventilation pipe pass through porous card, structure reinforcing plate and baffle and fix in equipment.

Furthermore, multiplex ability double-layer door includes the carriage and is located the interior door plant and the outer door plant of the inside and outside both sides of carriage, set up a plurality of guide plates in the carriage, interior door plant, outer door plant, a plurality of guide plates enclose jointly and form the formula air current passageway that returns, the upper portion of outer door plant sets up the fresh air inlet, the lower part of interior door plant sets up the exhaust vent.

Further, the muffler is the multilayer and is the column, all sets up the ventilation section on the multilayer muffler, and the dislocation is arranged from top to bottom in the ventilation section of adjacent two-layer muffler.

Further, the cross section of the lotus root stem type flow channel smoke dust purification equipment is circular or regular polygon.

Furthermore, a plurality of filter cartridges and ash collecting boxes are arranged, the sections of the ventilation pipe of the purification chamber and the ventilation pipe of the ash collecting chamber are circular, the filter cartridges are uniformly distributed on the periphery of the ventilation pipe of the purification chamber, and the ash collecting boxes are uniformly distributed on the periphery of the ventilation pipe of the ash collecting chamber.

Furthermore, the lower end of the structural reinforcing plate is provided with a plurality of annular ash guide plates which are concentrically arranged, and the cross sections of the annular ash guide plates are herringbone.

Further, the inner wall of ash collecting chamber shell sets up the guide ring, the inboard and the outside of ash collecting box set up inboard leading pulley and outside leading pulley respectively, inboard leading pulley and ash collecting chamber ventilation pipe roll cooperation, outside leading pulley and guide ring roll cooperation, the bottom of ash collecting box sets up the supporting wheel.

Further, set up a dust collecting chamber door on the dust collecting chamber shell at least, the ash collecting box includes around a plurality of ash collecting box monomers of dust collecting chamber ventilation pipe week side.

Compared with the prior art, the invention has the beneficial effects that:

(1) the air chambers are designed in a three-dimensional mode, the occupied area is reduced, and 360-degree dead-angle-free covering type air suction and air exhaust is realized due to the regular polygonal full-symmetrical structure of the equipment.

(2) The back-flushing valve is controlled to be opened and closed through the electric control system, when the pressure of compressed air in the compressed air storage bag reaches a certain value, strong blowing force can be generated at the moment of opening the back-flushing valve, and peripheral air is rapidly expanded to generate shock waves to shake dust on the filter cylinder. The compressed air pretreatment device adopts an oil-water separator for filtering impurities such as oil, water and the like in the compressed air, and has an automatic sewage discharge function, the oil, the water and the impurities can damage a back flushing valve and a filter cylinder, faults are caused, and the gas entering a compressed air storage gas bag is ensured to be clean.

(3) The bionic lotus root stem type flow passage is adopted, the bionic lotus root stem type flow passage is composed of a plurality of filter cylinders, a porous pattern plate, an ash collection chamber ventilation pipe and a purification chamber ventilation pipe, the ash collection chamber ventilation pipe and the purification chamber ventilation pipe form an equipment air suction pipeline of equipment, the filter cylinders are positioned on the outer circle of the circumference of the ash collection chamber ventilation pipe, the air suction flow passage is arranged in the middle, the cross section of the flow passage is circular, the occurrence of turbulence in the equipment is weakened, the air volume and pressure loss is reduced, the air noise is reduced, and meanwhile, a space is reserved for the equipment to upgrade and refrigera.

(4) The invention adopts a multifunctional double-layer door, the gas is fed in and discharged out from the upper part and the guide plate is designed to form a zigzag-shaped guide area, the area can effectively filter large granular substances and hit sparks, dusty gas firstly passes through the dust collection chamber and then enters the purification chamber, and the particulate matters in the dusty gas are directly settled in the dust collection box.

(5) The multi-layer zigzag silencer is arranged in the fan chamber, the overall structure of the multi-layer zigzag silencer is cylindrical and consists of two parts to three parts, a set of zigzag flow is formed, the ventilation sections of the two silencers are staggered in an upside-down mode, so that the distance of wind and sound is prolonged when the wind and the sound penetrate out, the number of times of collision with the side wall is increased, the outward transmission of noise is absorbed and weakened, and the effective noise reduction effect and the effect of reducing the wind speed of an air outlet of equipment are achieved.

(6) The lower end of the structural reinforcing plate is provided with a plurality of annular ash guide plates which are concentrically arranged, and the cross sections of the annular ash guide plates are herringbone. The annular dust guide plate is designed to pass in a single direction, so that collected dust is prevented from being adsorbed to the filter cylinder for the second time, and the single use period of the dust collector is prolonged.

(7) The ash collecting chamber shell is at least provided with an ash collecting chamber door, the ash collecting box comprises a plurality of ash collecting box single bodies which surround the periphery of the ash collecting chamber ventilation pipe, the ash collecting box single bodies are designed to enter and exit the ash collecting chamber shell in a rolling mode, after a certain amount of dust is collected, the ash collecting chamber door is opened, the ash collecting box single bodies corresponding to the door opening are taken out, or all the ash collecting box single bodies are manually pushed to rotate around the ash collecting chamber ventilation pipe, the ash collecting box single bodies which are not cleaned are sequentially rotated to the position of the ash collecting chamber door, and the ash bucket is taken out for cleaning.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1 taken along the axial direction;

FIG. 3 is a schematic structural view of a perforated card according to the present invention;

FIG. 4 is a schematic structural view of the multifunctional double door of the present invention;

FIG. 5 is an exploded view of the multi-functional double door of the present invention;

FIG. 6 is a schematic structural view of the dust collecting box of the present invention;

FIG. 7 is a partial cross-sectional view of the fan compartment of the present invention taken along the axial direction;

FIG. 8 is a perspective view of FIG. 7;

fig. 9 is a partial cross-sectional view of the ash chamber of the present invention taken along the axial direction.

FIG. 10 is a schematic view from another perspective of FIG. 9;

fig. 11 is a schematic view of fig. 10 with the baffle plate facing upward.

Description of the main element symbols:

101-a back-blowing outdoor shell, 102-an access panel, 103-a compressed air storage gas bag, 104-a back-blowing valve, 201-a purifying outdoor shell, 202-a porous pattern plate, 203-a multi-functional double-layer door, 204-an equipment air inlet, 205-a purifying chamber ventilating pipe, 206-a filter cartridge, 207-a support frame, 208-an inner door plate, 209-an outer door plate, 210-a guide plate, 211-an air inlet, 212-an air outlet, 301-an ash collecting outdoor shell, 302-a structure reinforcing plate, 303-a partition plate, 304-an ash collecting chamber ventilating pipe, 305-an ash collecting box, 306-an annular ash guide plate, 307-a guide ring, 308-an inner side guide pulley, 309-an outer side guide pulley, 310-a support wheel, 311-an ash collecting chamber door and 401-a fan outdoor shell, 402-equipment air outlet, 403-equipment bottom plate, 404-fan, 405-silencer, 406-inner layer silencer, 407-upper ventilation section, 408-outer layer silencer and 409-lower ventilation section.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-11, the present invention provides a technical solution: a lotus root stem type flow channel smoke and dust purifying device is circular or regular polygon in cross section, and regular hexagon is taken as an example for explanation in the embodiment.

The lotus root stem type flow channel smoke dust purification equipment sequentially comprises a back blowing chamber, a purification chamber, a dust collecting chamber and a fan chamber which are assembled and connected from top to bottom.

The blowback chamber comprises a blowback chamber housing 101, an access panel 102 arranged on the top of the blowback chamber housing 101, a compressed air storage bag 103 arranged in the blowback chamber housing 101, a blowback valve 104, a compressed air pre-processing device and a terminal drainer (not shown). The compressed air storage gas bag 103 is externally connected with a high-pressure air supply device, the blowback valve 104 is arranged at an air outlet of the compressed air storage gas bag 103, the compressed air pretreatment device comprises a secondary oil-water separator and an automatic drain valve and is used for filtering impurities such as oil and water in the compressed air, and the terminal drainer is used for removing the impurities filtered by the compressed air pretreatment device.

The clean room comprises a clean room shell 201, a porous flower plate 202 arranged at the upper end of the clean room shell 201, a multi-energy double-layer door 203 and an equipment air inlet 204 arranged at the side part of the clean room shell 201, and a clean room ventilation pipe 205 arranged in the clean room shell 201, wherein:

a filter cartridge accommodating cavity is formed between the purification chamber shell 201 and the purification chamber ventilating pipe 205, a plurality of filter cartridges 206 are arranged in the filter cartridge accommodating cavity, the section of the purification chamber ventilating pipe 205 is circular, the filter cartridges 206 are uniformly distributed on the peripheral side of the purification chamber ventilating pipe 205, and the number of the filter cartridges 206 and the number of the blowback valves 104 are the same as the number of holes of the porous flower plate 202. The porous card 202 hole effect is to strain a section of thick bamboo and hold the chamber and the blowback room intercommunication, and the upper end of straining a section of thick bamboo 206 can be dismantled and connect around the wind hole, specifically is: the filter cartridge 206 is a quick-fit cartridge filter cartridge equipped with a special cartridge seat that is fixed to the perforated faceplate 202 with bolts and that is in one-to-one correspondence with the air holes in the perforated faceplate 202, and a cartridge is provided at the vent end of the filter cartridge and that cooperates with the cartridge seat for rotational locking. The multi-energy double-layer door 203 comprises a support frame 207, an inner door plate 208 and an outer door plate 209, wherein the inner door plate 208 and the outer door plate 209 are positioned on the inner side and the outer side of the support frame 207, a plurality of guide plates 210 are arranged in the support frame 207, the inner door plate 208, the outer door plate 209 and the guide plates 210 form a zigzag air flow channel, an air inlet hole 211 is arranged on the upper portion of the outer door plate 209, and an air outlet hole 212 is arranged on the lower portion of the.

The ash collecting chamber comprises an ash collecting chamber shell 301, a structural reinforcing plate 302 arranged at the upper end of the ash collecting chamber shell 301, a partition plate 303 arranged at the lower end of the ash collecting chamber shell 301, and an ash collecting chamber ventilating pipe 304 arranged in the ash collecting chamber shell 301, wherein:

the structural reinforcing plate 302 is used for reinforcing the structural strength of the equipment, the positioning and shaping effects are realized in the production process of the equipment so as to ensure that vertical surface workpieces are accurately spliced, a dust collecting box accommodating cavity is formed between the dust collecting chamber shell 301 and the dust collecting chamber ventilation pipe 304 in an enclosing manner, a plurality of dust collecting boxes 305 are arranged in the dust collecting box accommodating cavity, the section of the dust collecting chamber ventilation pipe 304 is circular, and the plurality of dust collecting boxes 305 are uniformly distributed on the periphery of the dust collecting chamber ventilation pipe 304; the dust collection chamber vent pipe 304 and the clean room vent pipe 205 are fixed in the device through the perforated pattern plate 202, the structural reinforcing plate 302 and the partition plate 303. The ash collecting chamber ventilation pipe 304 and the purification chamber ventilation pipe 205 are designed integrally or separately, and specifically comprise the following steps: the ash collection chamber ventilation pipe 304 and the purification chamber ventilation pipe 205 jointly form an equipment air suction pipeline, the ash collection chamber ventilation pipe 304 and the purification chamber ventilation pipe 205 can be designed into a whole, namely the equipment air suction pipeline is a pipeline, and at the moment, the structural reinforcing plate 302 is connected with the equipment air suction pipeline in a section welding mode; the ash collection chamber ventilation pipe 304 and the purification chamber ventilation pipe 205 can also adopt a split design, the structural reinforcing plate 302 and the ash collection chamber ventilation pipe 304 are welded together in a section welding mode, the inner ring and the outer ring of the structural reinforcing plate 302 can be punched to serve as connecting flanges, the purification chamber ventilation pipe 205 is also designed with the connecting flanges, the inner ring of the structural reinforcing plate 302 and the flange hole at the lower end of the purification chamber ventilation pipe 205 are designed in a matched mode, and the flange hole is aligned during installation and is connected and fixed through bolts and nuts.

In order to prevent dust from being adsorbed on the filter cartridge 206, referring to fig. 9 to 11, the present apparatus is provided with a plurality of concentrically arranged annular dust guide plates 306 at the lower end of the structural reinforcing plate 302, and the cross-section of the annular dust guide plates 306 is herringbone. In the actual use process, the dust collected and filtered by the smoke and dust purifying equipment falls down and is accumulated in the dust collecting box 305 after passing through the annular dust guide plate 306, the annular dust guide plate 306 is designed to pass in a single direction, the dust can easily fall into the dust collecting box 305, but the dust is difficult to be sucked out in the opposite direction, and therefore the collected dust is prevented from being secondarily adsorbed to the filter cartridge.

For the convenience of ash removal, referring to fig. 9-11, at least one ash collection chamber door 311 is disposed on the ash collection chamber housing 301, the ash collection box 305 includes a plurality of ash collection box single bodies surrounding the periphery of the ash collection chamber ventilation pipe 304, the ash collection box single bodies enter and exit the ash collection chamber housing 301 by adopting a rolling design, specifically: the inner wall of the ash collecting chamber shell 301 is provided with a guide ring 307, the inner side and the outer side of the ash collecting box 305 are respectively provided with an inner guide pulley 308 and an outer guide pulley 309, the inner guide pulley 308 is in rolling fit with the ash collecting chamber ventilation pipe 304, the outer guide pulley 309 is in rolling fit with the guide ring 307, and the bottom of the ash collecting box 305 is provided with a support wheel 310. When the dust collecting device is used, after a certain amount of dust is collected, the dust collecting box 305 needs to be cleaned manually, when a plurality of dust collecting door 311 are arranged, the dust collecting door 311 is opened, the single dust collecting box body corresponding to the door opening is taken out, and the collected dust collection is processed; when the ash collecting chamber door 311 is one, all ash collecting box monomers can be manually pushed to rotate around the ash collecting chamber ventilation pipe 304, the ash collecting box monomers which are not cleaned rotate to the ash collecting chamber door 311 in sequence, the ash bucket is taken out to be cleaned, and the ash collecting chamber door 311 is arranged in the device after the cleaning is finished.

The fan chamber 400 comprises a fan chamber housing 401, an equipment air outlet 402 arranged on the fan chamber housing 401, an equipment bottom plate 403 arranged at the bottom of the fan chamber housing 401, a fan 404 arranged in the fan chamber housing 401, and a silencer 405 positioned between the fan chamber housing 401 and the fan 404, wherein an air inlet of the fan 404 is in sealed communication with the dust collection chamber ventilation pipe 304. Wherein:

the fan 404 can adopt a direct-connected volute-free centrifugal fan, a centrifugal fan, an oblique flow fan, an axial flow fan and the like, when the fan 404 adopts the direct-connected volute-free centrifugal fan, the direct-connected volute-free centrifugal fan can be provided with a flow guide ring, the flow guide ring is communicated with the dust collection chamber ventilation pipe in a sealing manner, an impeller of the fan is in clearance fit with the flow guide ring, and the impeller needs to be selected and installed and cannot be in contact with the flow guide ring; other fans are standard products and are provided with volute casings, air inlets can be communicated with the dust collecting chamber ventilating pipes in a sealing mode, connecting pieces are determined according to fan power and vibration conditions of the fans in a connecting mode, the fans can be directly connected with each other in a low-power and low-vibration mode, equipment with overlarge power and larger vibration needs to be connected in a flexible mode, and a damping device is arranged. The silencer 405 is multi-layered and columnar, and for example, a double-layered arrangement is adopted, an upper ventilation section 407 is arranged at the upper part of the inner-layer silencer 406, a lower ventilation section 409 is arranged at the lower part of the outer-layer silencer 408, and gas forms a zigzag gas flow when flowing between the upper ventilation section 407 and the lower ventilation section 409.

The working principle is as follows: when the multifunctional double-layer door type air purifier is used, the air quantity and the negative air pressure of an air inlet of equipment are provided by a fan matched with the equipment during operation of the equipment, the wind energy is transmitted to the multifunctional double-layer door through an equipment flow channel, dust-containing gas around the multifunctional double-layer door is sucked into the equipment, particles are filtered and purified through the multifunctional double-layer door and a filter cylinder, the purified air enters the upper part of a top plate through an air outlet at the upper end of the filter cylinder, and then the purified air is discharged to the outside of the equipment from the air outlet of the equipment after sequentially passing through an equipment air suction pipeline.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. Lotus rhizome type runner smoke and dust clarification plant, top-down include assembled connection's blowback room, clean room, collection ash room and fan room according to the preface, its characterized in that:

the back flushing chamber comprises a back flushing outdoor shell (101), an access panel (102) arranged at the top of the back flushing outdoor shell (101), a compressed air storage bag (103) arranged in the back flushing outdoor shell (101) and a back flushing valve (104);

the purifying chamber comprises a purifying chamber shell (201), a multi-functional double-layer door (203) and an equipment air inlet (204) which are arranged on the side part of the purifying chamber shell (201), and a purifying chamber ventilating pipe (205) which is arranged in the purifying chamber shell (201), wherein a filter cartridge accommodating cavity is formed between the purifying chamber shell (201) and the purifying chamber ventilating pipe (205), and a filter cartridge (206) is arranged in the filter cartridge accommodating cavity;

the dust collecting chamber comprises a dust collecting chamber shell (301), a structural reinforcing plate (302) arranged at the upper end of the dust collecting chamber shell (301), a partition plate (303) arranged at the lower end of the dust collecting chamber shell (301), and a dust collecting chamber ventilating pipe (304) arranged in the dust collecting chamber shell (301), a dust collecting box accommodating cavity is formed between the dust collecting chamber shell (301) and the dust collecting chamber ventilating pipe (304), and a dust collecting box (305) is arranged in the dust collecting box accommodating cavity; the ash collection chamber ventilation pipe (304) is in sealed communication with the purification chamber ventilation pipe (205);

the fan chamber comprises a fan chamber shell (401), an equipment air outlet (402) arranged on the fan chamber shell (401), an equipment bottom plate (403) arranged at the bottom of the fan chamber shell (401), a fan (404) arranged in the fan chamber shell (401) and a silencer (405) positioned between the fan chamber shell (401) and the fan (404), wherein the air inlet of the fan (404) is communicated with an ash collection chamber ventilation pipe (304) in a sealing mode.

2. The lotus root stem type flow channel smoke purifying apparatus as claimed in claim 1, wherein: the compressed air pretreatment device comprises a secondary oil-water separator and an automatic drain valve.

3. The lotus root stem type flow channel smoke purifying apparatus as claimed in claim 1, wherein: the upper end of clean room shell (201) sets up porous card (202), set up on porous card (202) and hold a plurality of wind holes of chamber and blowback room intercommunication with straining a section of thick bamboo, the quantity of straining a section of thick bamboo (206) is unanimous with wind hole quantity, the ventilation end of straining a section of thick bamboo (206) can be dismantled and connect around the wind hole, ash collection room ventilation pipe (304) and clean room ventilation pipe (205) are fixed in equipment through porous card (202), structure reinforcing plate (302) and baffle (303).

4. The lotus root stem type flow channel smoke purifying apparatus as claimed in claim 1, wherein: multiplex ability double-layer door (203) include carriage (207) and be located inner door board (208) and outer door board (209) of the inside and outside both sides of carriage (207), set up a plurality of guide plates (210) in carriage (207), inner door board (208), outer door board (209), a plurality of guide plates (210) enclose group jointly and form zigzag type air current passageway, the upper portion of outer door board (209) sets up fresh air inlet (211), the lower part of inner door board (208) sets up exhaust vent (212).

5. The lotus root stem type flow channel smoke purifying apparatus as claimed in claim 1, wherein: muffler (405) are the multilayer and be the column, all set up the ventilation section on multilayer muffler (405), and dislocation is arranged about the ventilation section of adjacent two-layer muffler (405).

6. The lotus root stem type flow channel smoke purifying apparatus as claimed in claim 1, wherein: the cross section of the lotus root stem type flow channel smoke dust purification equipment is circular or regular polygon.

7. The lotus root stem type flow channel smoke purifying apparatus as claimed in claim 1, wherein: the filter cartridges (206) and the dust collecting boxes (305) are multiple, the sections of the purification chamber ventilation pipe (205) and the dust collecting chamber ventilation pipe (304) are circular, the filter cartridges (206) are uniformly distributed on the periphery of the purification chamber ventilation pipe (205), and the dust collecting boxes (305) are uniformly distributed on the periphery of the dust collecting chamber ventilation pipe (304).

8. The lotus root stem type flow channel smoke purifying apparatus as claimed in claim 1, wherein: the lower end of the structural reinforcing plate (302) is provided with a plurality of annular dust guide plates (306) which are concentrically arranged, and the cross sections of the annular dust guide plates (306) are herringbone.

9. The lotus root stem type flow channel smoke purifying apparatus as claimed in claim 8, wherein: the inner wall of collection grey room shell (301) sets up uide circle (307), the inboard and the outside of collection grey box (305) set up inboard leading sheave (308) and outside leading sheave (309) respectively, inboard leading sheave (308) and collection grey room ventilation pipe (304) roll cooperation, outside leading sheave (309) and uide circle (307) roll cooperation, the bottom of collection grey box (305) sets up supporting wheel (310).

10. The lotus root stem type flow channel smoke purifying apparatus as claimed in claim 9, wherein: the dust collecting chamber is characterized in that at least one dust collecting chamber door (311) is arranged on the dust collecting chamber shell (301), and the dust collecting box (305) comprises a plurality of dust collecting box monomers surrounding the periphery of the dust collecting chamber ventilating pipe (304).

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