CN111467887A - Buried dust removal system - Google Patents
Buried dust removal system Download PDFInfo
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- CN111467887A CN111467887A CN202010275316.7A CN202010275316A CN111467887A CN 111467887 A CN111467887 A CN 111467887A CN 202010275316 A CN202010275316 A CN 202010275316A CN 111467887 A CN111467887 A CN 111467887A
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- negative pressure
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- 239000000428 dust Substances 0.000 title claims abstract description 121
- 238000005498 polishing Methods 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 28
- 239000012528 membrane Substances 0.000 claims description 46
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000005453 pelletization Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 229920006302 stretch film Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001095 light aluminium alloy Inorganic materials 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a buried dust removal system which comprises a dust collection and filtration module and a semi-closed structure which is hidden underground and can be lifted above the ground, wherein the semi-closed structure is provided with a dust collection channel for covering a polishing station, the dust collection channel is provided with an air inlet end opening and a negative pressure end opening, the negative pressure end opening is closed and communicated with a negative pressure air inlet of the dust collection and filtration module, and after the polishing station is covered by the dust collection channel, the negative pressure of the dust collection and filtration module is used for performing negative pressure suction and trapping on dust air formed in the dust collection channel. The buried dust removal system can be well suitable for polishing and dust removal treatment of wind blades or other long and narrow workpieces, has the advantages of flexible control, hidden equipment, obvious dust removal effect and low energy consumption, and can be widely popularized and applied.
Description
Technical Field
The invention belongs to a special dust removal technology, and particularly relates to a buried dust removal system.
Background
With the continuous progress of new energy technology in China, wind power generation is widely applied in the global range as a green and environment-friendly energy technology with huge potential. Wind blades are the core component of wind power generation, and the largest wind blade diameter is more than 70 meters, which is equivalent to the span of a boeing aircraft. The wind blade is ground and polished in the manufacturing process to generate a lot of fine dust, the dust is difficult to settle by gravity, floats in a workshop for a long time, is not easy to discharge after being sucked into the lung, and has great influence on the health of operators.
At present, two dust treatment technologies are used for treating dust generated by grinding of wind blades. Firstly, a high-negative-pressure air suction dust removal device is loaded on a grinding machine, air holes with certain sizes are uniformly formed in a grinding sheet, the air holes are connected with a high-negative-pressure pipeline through the grinding machine, part of dust generated in grinding is sucked away by high negative pressure and is filtered and separated by a filtering unit, the method can only capture part of dust, and the dust flying out at high speed from the circumference of the grinding sheet is difficult to capture; the other mode is to carry out integral ventilation on a workshop and filter and intercept dust in air, and although the method can effectively control the integral dust content of the workshop, the operation cost of the system is very high due to long and narrow space of the workshop for wind blade operation, local grinding dispersion and the need of constant temperature and constant humidity, and enterprises are difficult to bear and are difficult to popularize in the industry.
Disclosure of Invention
The technical problem solved by the invention is as follows: aiming at the problems of low efficiency and high cost of dust capture generated in the grinding and polishing process of the wind blade, a buried dust removal system is provided.
The invention is realized by adopting the following technical scheme:
bury formula dust pelletizing system, filter the module and hide in the underground and can rise to the semi-closed structure above ground including album dirt, semi-closed structure has the collection dirt passageway that is used for covering the station of polishing, and this collection dirt passageway is equipped with air inlet end opening and negative pressure end opening, the negative pressure end opening seals, and with the negative pressure air intake intercommunication of collection dirt filtration module will polish the station cover back through collection dirt passageway, and the dust air that utilizes the negative pressure of collection dirt to filter the module and form in with collection dirt passageway carries out negative pressure suction entrapment.
In the technical scheme of the buried dust removal system, further, the semi-closed structure comprises a plurality of frameworks and a membrane structure laid between the frameworks, the frameworks and the membrane structure form a continuous arched dust collection channel, and the integral structure of the arched dust collection channel formed by the frameworks and the membrane structure is lighter.
Among the above-mentioned bury formula dust pelletizing system's technical scheme, it is further, the skeleton buries frame and lift bow member including ground, bury the fixed ground of burying in the station both sides of frame, the lift bow member is convex bow member, the lift bow member erects respectively on the ground of station both sides more than ground to mutual butt forms circular arc arch-shaped skeleton, bury and be equipped with the leading-in underground lift drive arrangement of lift bow member on the frame, the ground of station both sides buries the frame and is equipped with the guide rail that holds the lift bow member and channel into below ground, and the lift bow member goes up and down from the both sides of station and folds, does not receive the influence of work piece on the station.
In the technical scheme of the underground dust removal system, further, the lifting driving device adopts a rack and pinion mechanism, and comprises a driving gear installed on the underground engine base and an arc-shaped rack fixed along the lifting arch, the driving gear is driven by a motor on the underground engine base, the arc-shaped rack is in meshing transmission with the driving gear, is driven by the motor, and drives the lifting arch to lift by utilizing the power transmitted by the gear and the rack.
Among the above-mentioned buried dust pelletizing system's technical scheme, it is further, membrane structure includes the spool on the skeleton and convolutes the flexible membrane on the spool, and flexible membrane on the adjacent skeleton draws the butt joint from the spool and forms the dust collecting channel wall between the skeleton, and membrane structure withdraws at skeleton lift in-process, avoids because the lift between the skeleton leads to the fact the pulling damage of membrane structure not synchronous.
Among the above-mentioned buried dust pelletizing system's technical scheme, it is further, the butt joint end of flexible membrane is equipped with the unsmooth seal structure of mutual magnetism absorption, guarantees reliable butt joint between the flexible membrane.
In the technical scheme of the buried dust removal system, further, the telescopic film is embedded with the inner ribs for improving the supporting strength of the film structure, so that the strength of the arch wall of the whole channel is improved.
In the technical scheme of the buried dust removal system, further, the inner ribs are formed by splicing a plurality of electromagnets, and all adjacent electromagnets are electrified and mutually attracted to form a rigid strip-shaped supporting structure.
Among the above-mentioned formula dust pelletizing system that buries, it is further, the spool is connected with motor drive, realizes flexible membrane and interior muscle automatic rolling, and membrane structure and skeleton texture homoenergetic carry out automatic operation.
In the buried dust removal system, the dust collection and filtration module is arranged at the negative pressure end opening of the dust collection channel, is hidden underground by adopting a buried lifting structure and is lifted to the ground along with the semi-closed structure to seal the negative pressure end opening of the semi-closed structure, and the dust collection and filtration module can reduce the occupation of the ground by adopting the buried structure and improve the utilization rate of the internal space of a workshop.
The invention has the following beneficial effects:
1. the buried dust removal system adopted by the invention is reduced to the position below the ground when not in use, does not occupy the area of a workshop when not in use, does not influence the carrying of workpieces and equipment, and does not influence other operations on the ground of the workshop;
2. the buried dust removal system adopts the semi-closed dust collection channel which completely covers the polishing station, and forms the dust collection channel which completely covers the polishing area of the workpiece on the station after the semi-closed dust collection channel rises above the ground, so that not only can dust be effectively controlled, but also noise generated by polishing is isolated during polishing operation, and no influence is caused on the non-polishing station;
3. the semi-closed dust collecting channel in the buried dust removal system can control the grinding workpieces such as wind blades and the like in a range as small as possible, and the energy consumption of the dust removal system can be reduced to be less than 1% of the overall ventilation of a workshop;
4. the length of the semi-closed dust collecting channel of the buried dust removal system can be adjusted by controlling the number of the lifted frameworks, so that the buried dust removal system is suitable for controlling workpieces with different sizes, and the utilization efficiency of workshop sites is effectively improved;
5. the invention only covers the polishing station, and does not influence the overall constant temperature and humidity of the workshop.
In conclusion, the buried dust removal system can be well suitable for polishing and dust removal treatment of wind blades or other long and narrow workpieces, has the advantages of flexible control, hidden equipment, obvious dust removal effect and low energy consumption, and can be widely popularized and applied.
The invention is further described with reference to the following figures and detailed description.
Drawings
FIG. 1 is a top view of an underground dedusting system of an embodiment.
Fig. 2 is a side view of the underground dedusting system of the embodiment, wherein a group of frameworks are lifted above the ground.
FIG. 3 is a side view of an embodiment of an underground dedusting system in which a set of frameworks is lowered below the ground.
Fig. 4 is a schematic winding diagram of the retractable film of the underground dust removal system of the embodiment on a reel.
Fig. 5 is a schematic view of the abutting joint of the telescopic membranes between the adjacent frameworks in the underground dust removal system according to the embodiment.
Fig. 6 is a side view of the end abutting structure of the telescopic membrane in the embodiment, mainly showing a schematic of the concave-convex sealing structure on the telescopic membrane.
Fig. 7 is a top view of an end-abutting structure of the stretch film in the embodiment.
Fig. 8 is a schematic view of an inner rib structure in the embodiment.
Reference numbers in the figures: 1-wind blade, 100-dust collection channel, 101-air inlet end opening, 102-negative pressure end opening, 2-framework, 21-buried base, 22-lifting arch, 23-guide rail, 3-telescopic film, 31-concave-convex sealing structure, 32-scroll, 33-inner rib, 34-electromagnet, 4-buried dust collection and filtration module, and 5-ground.
Detailed Description
Examples
Referring to fig. 1 and 2, the underground dust removal system is a specific embodiment of the present invention, the length of a workshop for producing and manufacturing wind blades of an enterprise is 450m, the width of the workshop is 38.5m, and the height of the workshop is 14m, the workshop is divided into 3 sections with equal distance and without obstruction: molding, polishing and spraying paint. Wherein, the section of polishing exposes in the workshop completely, is polished as required by the handheld equipment of polishing of workman, and the dust that produces of polishing escapes everywhere. This embodiment is removing dust to the process of polishing wind blade 1 to the station of polishing in this workshop, wind blade 1 polish mainly go on around wind blade, consequently this wind blade 1 polish the station for the rectangular station around wind blade, the formula dust pelletizing system of burying of this embodiment covers whole station comprehensively, entire system adopts the formula structure of burying, entire system can fall to the below ground when not polishing and hide, when polishing wind blade 1, entire system rises to above ground, cover the station area of polishing and form a semi-enclosed dust collection channel 100, realize that wind blade 1 polishes and carry out high-efficient dust removal.
Whole dust pelletizing system includes semi-closed structure and collection dirt filtration module, form the collection dirt passageway that carries out collection dirt to the station of polishing through semi-closed structure, this semi-closed structure is hidden below 5 at the inoperative time, the collection dirt passageway that its formed can rise to more than 5 on ground at the during operation of polishing, the inside collection dirt passageway 100 that forms will polish the station and cover comprehensively, whole collection dirt passageway 100 both ends set up respectively to air inlet end opening 101 and negative pressure end opening 102, collection dirt filtration module sucks the inside dust air of collection dirt passageway, and filter the entrapment to the dust in the air, collection dirt filtration module's negative pressure air intake and collection dirt passageway's negative pressure air intake 102 intercommunication, cover the back through the station of will polishing through collection dirt passageway, utilize collection dirt to filter the dust air that the module's negative pressure formed with collection dirt passageway and carry out the negative pressure suction entrapment.
The dust collecting and filtering module can adopt fixed dust removing equipment, and a negative pressure air inlet of the dust collecting and filtering module is in butt joint connection with a negative pressure air inlet of the dust collecting channel 100 through a pipeline. In this embodiment, the dust collecting and filtering module is the buried dust collecting and filtering module 4 in fig. 1, and includes a fan, a dust remover and other filtering units inside, and the specific dust removing scheme may refer to the existing dust removing technical means, which is not described herein again in this embodiment. Bury formula collection dirt filtration module 4 and adopt and bury the structure, whole module frame sets up at the negative pressure end opening 102 of collection dirt passageway 100 to adopt and bury elevation structure and hide underground, can realize burying the lift through motor drive's scissors fork lift platform. The buried dust collecting and filtering module 4 and the semi-closed structure are lifted to above the ground together to seal the negative pressure end opening 102 of the semi-closed structure, and the negative pressure air inlet of the fan is directly arranged towards the negative pressure end opening 102 of the dust collecting channel. Through adopting the buried structure with collection dirt filtering module, can reduce the occupation to ground, improve workshop inner space utilization.
The specific configuration of the semi-closed structure in this example is described in detail below.
The semi-closed structure of the present embodiment comprises a plurality of groups of skeletons 2 and a membrane structure laid between the skeletons, the skeletons 2 and the membrane structure form a continuous arched dust collecting channel spanning the polishing station, wherein the skeletons 2 are used as a supporting structure of the dust collecting channel 100, and the membrane structure is used as a dust collecting channel wall of the dust collecting channel 100.
The framework 2 comprises an underground base 21 and lifting arches 22, wherein the two pairs of underground bases 21 and the two pairs of lifting arches 22 form a group of frameworks 2, the underground bases 21 are fixedly embedded in the ground on two sides of a grinding station and are symmetrically and uniformly arranged on two sides of the grinding station, the lifting arches 22 are circular arc-shaped arches which are at least 1/4 circular arc arches, so that the two pairs of lifting arches 22 are erected on the underground bases 21 on two sides of the grinding station above the ground respectively, a group of 1/2 circular arc-shaped frameworks in a dust collection channel are formed after being abutted against each other, and the frameworks of the whole dust collection channel are formed by arranging a plurality of groups of arch frameworks arranged along the length direction of the grinding station. The underground frame 21 is provided with a lifting driving device (not shown) for guiding the corresponding lifting arch 22 into the ground. The underground frame 21 on both sides of the grinding station is provided with guide rails 23 below the ground for guiding the lifting arch 22 below the ground, the guide rails are arc guide rails continuous with the arc arch formed by the lifting arch 22 above the ground, and the lifting driving device on the underground frame 21 enters the guide rails 23 in the process of lowering the lifting arch 22 below the ground along the arc track of the lifting arch 22, as shown in fig. 3. When the dust removal system is folded, the dust collection channel 100 formed by the lifting arch 22 is opened from two sides and then falls below the ground, and when the dust removal system is lifted, the lifting arch 22 is lifted from two sides of a station to the top of a polishing station and is folded into a dust collection channel without being influenced by a blade workpiece on the station.
The lifting driving device for driving the lifting arch frame 22 on the underground engine base 21 can adopt a gear and rack mechanism and comprises a driving gear installed on the underground engine base 21 and an arc-shaped rack fixed along the lifting arch frame, the driving gear is driven by a motor on the underground engine base, the arc-shaped rack is in meshing transmission with the driving gear, the arc-shaped rack is fixed on the lifting arch frame 22 and can be regarded as one section of an inner gear ring, the motor drives the driving gear to drive the lifting arch frame 22 to move along the own arc track by utilizing the power transmitted by the gear and the rack to drive the lifting arch frame 22 to move in the transmission process, and the lifting action of the lifting arch frame 22 is realized. The transmission structure of the gear rack is a conventional transmission mechanism, and the specific installation manner of the gear rack is not described herein in this embodiment.
Referring to fig. 4-6 in combination, the film structure in this embodiment includes a reel 32 and a flexible film 3 wound on the reel 32, the reel 32 is rotatably installed on the lifting arch 22 of the framework 2, a universal flexible shaft is adopted to be installed along the arc-shaped track of the lifting arch 22, and the flexible film 3 is wound on the reel 32 when the dust removal system is not in use, as shown in fig. 4, the whole film structure is installed on the lifting arch 22 in an attached manner, and is lifted along with the lifting arch, and the film structure is retracted in the framework lifting process, so that the damage caused by pulling of the film structure due to the asynchronous lifting between the frameworks can be avoided. In use, the dusting system draws the stretch film 3 from the reel 32 over adjacent ribs and butts in a direction perpendicular to the vertical plane of the ribs to form the channel arch between the ribs, as shown in fig. 5. The butt joint end of flexible membrane 3 is equipped with the unsmooth seal structure 31 of mutual magnetism, as shown in fig. 6, unsmooth seal structure 31 sets up recess and the sand grip of mutual gomphosis respectively including setting up the magnetism strip at flexible membrane 3 butt joint side respectively, two sets of magnetism strips of butt joint to form the magnetic attraction of inter attraction each other, guarantee to form sealed reliable butt joint structure between the flexible membrane.
In practical applications, the stretching film 3 is manually pulled and unwound from the reel 32 for docking, the reel 32 is provided with a return coil spring (not shown in the figure), and after the concave-convex sealing structure 31 between the stretching films 3 is released, the stretching films 3 can be automatically wound on the reel 32 under the action of the return coil spring.
The embodiment also provides an automatic rolling scheme of the telescopic membrane, and as shown in fig. 7 and 8, a plurality of inner ribs 33 for improving the supporting strength of the membrane structure are further embedded on the telescopic membrane 3, the inner ribs 33 are parallel to and perpendicular to a vertical plane where the arch-shaped support is located, the strength of the arch wall of the whole channel can be improved by the inner ribs 33, the inner ribs 33 are arranged on the edges of two sides of the telescopic membrane 3, the telescopic membrane between lifting arch frames on two sides and the telescopic membrane and the ground can form rigid butt joint sealing, and grinding dust escape caused by the formation of flexible gaps between the telescopic membranes is avoided; secondly, as the transmission structure for automatically rolling up the telescopic membrane 3, the inner ribs 33 are formed by sequentially splicing a plurality of electromagnets 34 in the same strip-shaped dust collecting channel, the electromagnets 34 are in a discrete free state in a non-electrified state and can be freely wound on the scroll 32 along with the telescopic membrane, all the adjacent electromagnets 34 are mutually attracted together after being electrified, so that the whole inner ribs 33 form a rigid strip-shaped support structure, by utilizing the characteristic of the inner ribs 33, the scroll 32 is in transmission connection with a rolling motor arranged in the lifting arch frame, the scroll 32 is driven to roll out the telescopic membrane 3 and the inner ribs 33, the rigid strip-shaped support structure is automatically formed after the inner ribs 33 are electrified to horizontally stretch the whole telescopic membrane 3 forwards, in order to improve the stability after the inner ribs are stretched out, a support rib position for supporting the inner ribs can be further arranged on one side of the lifting arch frame so as to ensure that the inner ribs 33 and the telescopic membrane 3 are stably and horizontally stretched forwards, the winding motor reverses to pull back the telescopic film 3 and the inner rib 33 to wind the reel 32, so that the telescopic film and the inner rib can be automatically wound.
In practical application, the lifting arch frame 22 can be made of light aluminum alloy, and the whole structure is lighter. The telescopic film 3 adopts a light-transmitting film to improve the illumination transparency in the polishing dust collecting channel so as to reduce the illumination energy consumption, and in order to facilitate the operation of workers, supporting facilities related to the operation are arranged on an arched framework formed by the lifting arch 22, including but not limited to a power supply, positive (negative) pressure air (other) air, emergency alarm, illumination, voice communication, video communication, infrared scanning, positioning and the like.
The following describes a specific operation of the present embodiment.
When the wind blade 1 is hoisted to reach a polishing station, the lifting arch 22 and the buried dust collecting and filtering module 4 of the framework 2 are gradually lifted, the number of the frameworks 2 needing to be lifted can be selected according to the length of the wind blade 1, the wind blade can be completely covered, after the lifting arch 22 at two sides of the polishing station is lifted to the arched frameworks which are mutually butted and form a semi-arc, the telescopic membrane 3 wound on the reel 32 of the lifting arch 22 is pulled and unfolded, the telescopic membrane 3 between the adjacent arched frameworks is butted and fixed to form a channel arch wall, the buried dust collecting and filtering module 4 and the ground 5 form a semi-closed structure, a semi-closed dust collecting channel inside the semi-closed structure is provided with an opening at an air inlet end, and other surfaces are closed by the channel arch wall formed by the telescopic membrane 3 and the raised buried dust collecting and filtering module 4.
The collection dirt passageway that skeleton 2 and flexible membrane 3 formed covers wind-force blade 1 and leaves the space that supplies the workman to operate on every side, the workman gets into and polishes that collection dirt passageway inside before wind-force blade 1 begins to polish, bury formula collection dirt filtration module 4 with rising and open, wind-force blade 1 polishes that the dust that produces is whole concentrated inside collection dirt passageway, the inside air of collection dirt passageway of polishing pours into collection dirt passageway inside from collection dirt passageway's air inlet end opening 101 with certain velocity of flow under the fan effect of formula collection dirt filtration module 4, the inside negative pressure that forms of collection dirt passageway, the collection dirt dust that produces of polishing inside collection dirt passageway is taken to bury formula filtration module 4 inside and is carried out the entrapment separation to ground, clean air after filtering the dust simultaneously emits into the workshop in order to avoid the loss of heat and humidity. The embodiment aims at the characteristics of the grinding operation of the wind blade, not only can completely collect dust generated in the grinding process, but also can reduce the energy consumption of system operation to within 1% of the overall ventilation of a workshop.
After polishing, firstly separating the telescopic membranes between the adjacent arch frameworks, then rewinding the telescopic membranes onto the reels of the lifting arch, then controlling the lifting arch 22 of the arch frameworks to be opened towards two sides to be lowered below the ground, lowering the buried dust collecting and filtering module 4 below the ground, and then hoisting the polished wind blade.
The foregoing embodiments illustrate the principles and features of the present invention and their advantages, and it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the specific principles of operation of the present invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. Bury formula dust pelletizing system, its characterized in that: including collection dirt filter module with hide underground and can rise to the semi-enclosed structure more than ground, semi-enclosed structure has the collection dirt passageway that is used for covering the station of polishing, and this collection dirt passageway is equipped with air inlet end opening and negative pressure end opening, the negative pressure end opening seals, and with collection dirt filter module's negative pressure air intake intercommunication.
2. A buried dust removal system as claimed in claim 1, wherein the semi-enclosed structure includes groups of skeletons arranged along the length of the grinding station and a membrane structure laid between the skeletons, the skeletons and the membrane structure forming a continuous arched dust collecting channel.
3. The underground dust removal system of claim 2, the frame comprises an underground base and a lifting arch, the underground base is fixedly embedded on the ground on two sides of the station, the lifting arch is an arc arch, the lifting arch is respectively erected on the underground bases on two sides of the station above the ground and mutually abutted to form an arc arch-shaped frame, the underground base is provided with a lifting driving device for guiding the lifting arch into the ground, and the underground bases on two sides of the station are provided with guide rails for accommodating the guiding of the lifting arch below the ground.
4. The underground dust removing system of claim 3, wherein the lifting driving device adopts a rack and pinion mechanism, and comprises a driving gear mounted on the underground base and an arc-shaped rack fixed along the lifting arch, the driving gear is driven by a motor on the underground base, and the arc-shaped rack is in meshing transmission with the driving gear.
5. A buried dedusting system as set forth in claim 2 wherein the membrane structure includes a spool on the skeletons and a stretch membrane wound on the spool, the stretch membrane on adjacent skeletons being drawn from the spool into abutment with one another to form the walls of the dust collection channel between the skeletons.
6. A buried dust removal system as claimed in claim 5, wherein the abutting ends of the retractable films are provided with a concave-convex sealing structure which is magnetically attracted with each other.
7. A buried dust removal system as claimed in claim 5, wherein the telescopic membrane is embedded with internal ribs for improving the supporting strength of the membrane structure.
8. A buried dust removal system as claimed in claim 7, wherein the inner ribs are formed by splicing a plurality of electromagnets, and all adjacent electromagnets are mutually attracted when energized to form a rigid strip-shaped support structure.
9. The underground dust removal system of claim 8, wherein the reel is in transmission connection with a motor to realize automatic winding of the telescopic film and the inner rib.
10. The buried dust removal system of any one of claims 1 to 9, wherein the dust collecting and filtering module is arranged at the negative pressure end opening of the dust collecting channel, is hidden underground by using a buried lifting structure, and is lifted above the ground along with the semi-closed structure to close the negative pressure end opening of the semi-closed structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010275316.7A CN111467887B (en) | 2020-04-09 | 2020-04-09 | Buried dust removing system |
| PCT/CN2020/117763 WO2021203637A1 (en) | 2020-04-09 | 2020-09-25 | Buried dust removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010275316.7A CN111467887B (en) | 2020-04-09 | 2020-04-09 | Buried dust removing system |
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| CN111467887A true CN111467887A (en) | 2020-07-31 |
| CN111467887B CN111467887B (en) | 2023-11-21 |
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| CN202010275316.7A Active CN111467887B (en) | 2020-04-09 | 2020-04-09 | Buried dust removing system |
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| WO (1) | WO2021203637A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021203637A1 (en) * | 2020-04-09 | 2021-10-14 | 航天凯天环保科技股份有限公司 | Buried dust removal system |
| CN113732895A (en) * | 2021-08-13 | 2021-12-03 | 东台市杰顺机械制造有限公司 | Elastic lifting fine grinding mechanism for flywheel shell machining production |
| CN116352888A (en) * | 2021-12-28 | 2023-06-30 | 广州市长泽新型建筑材料有限公司 | Energy-saving environment-friendly dust removal recovery system for concrete mixing plant |
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| CN113974479B (en) * | 2021-10-25 | 2022-08-02 | 金陵科技学院 | Bury formula air purification system in mill |
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| WO2021203637A1 (en) * | 2020-04-09 | 2021-10-14 | 航天凯天环保科技股份有限公司 | Buried dust removal system |
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| CN113732895B (en) * | 2021-08-13 | 2023-01-24 | 东台市杰顺机械制造有限公司 | Elastic lifting fine grinding mechanism for flywheel shell machining production |
| CN116352888A (en) * | 2021-12-28 | 2023-06-30 | 广州市长泽新型建筑材料有限公司 | Energy-saving environment-friendly dust removal recovery system for concrete mixing plant |
| CN116352888B (en) * | 2021-12-28 | 2023-10-20 | 广州市长泽新型建筑材料有限公司 | Energy-saving environment-friendly dust removal recovery system for concrete mixing plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111467887B (en) | 2023-11-21 |
| WO2021203637A1 (en) | 2021-10-14 |
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