CN117287780A - Emergency ventilation and toxin expelling device for chemical plant - Google Patents
Emergency ventilation and toxin expelling device for chemical plant Download PDFInfo
- Publication number
- CN117287780A CN117287780A CN202311320365.8A CN202311320365A CN117287780A CN 117287780 A CN117287780 A CN 117287780A CN 202311320365 A CN202311320365 A CN 202311320365A CN 117287780 A CN117287780 A CN 117287780A
- Authority
- CN
- China
- Prior art keywords
- filter cartridge
- filter screen
- support bracket
- fixed
- outer side
- 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.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 31
- 239000000126 substance Substances 0.000 title claims abstract description 30
- 239000003053 toxin Substances 0.000 title claims abstract description 19
- 231100000765 toxin Toxicity 0.000 title claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 43
- 239000000428 dust Substances 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 11
- 239000002341 toxic gas Substances 0.000 abstract description 9
- 238000010408 sweeping Methods 0.000 abstract description 8
- 238000007790 scraping Methods 0.000 abstract description 5
- 210000004209 hair Anatomy 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 239000012535 impurity Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 6
- 238000004880 explosion Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 231100000572 poisoning Toxicity 0.000 description 3
- 230000000607 poisoning effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/90—Cleaning of purification apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an emergency ventilation and toxin expelling device for a chemical plant, which comprises an air duct and a filter cartridge, wherein the filter cartridge is arranged at an opening at the front end of the air duct, a mounting disc is arranged in the filter cartridge, a pushing cylinder for supporting the mounting disc to rotate is arranged at the top side of the filter cartridge, a support bracket is arranged at the outer side of the mounting disc, two groups of guide covers which are transversely staggered are vertically arranged at the outer side of the support bracket, and a motor for supporting the support bracket and the guide cover to rotate is arranged at the middle part of the filter cartridge. The beneficial effects are that: according to the invention, the installation disk capable of rotating under the support of the rotating shaft is arranged in the filter cartridge, the filter screen arranged in the installation disk is used as a filtering and dust removing structure in daily use, so that the filter screen can be rapidly removed in an emergency state, the smoothness of an exhaust channel in emergency exhaust of toxic gas is improved, the ventilation effect is better, the brush hair on the rear side of the sliding plate is utilized to realize reciprocating sweeping on the surface of the filter screen, the scraping and rubbing action of manually cleaning the surface of the filter screen is simulated, the dust on the surface of the filter screen is not required to be manually cleaned, and the filter cartridge is convenient to use.
Description
Technical Field
The invention relates to the field of factory building ventilation facilities, in particular to an emergency ventilation and toxin expelling device for a chemical factory building.
Background
Modern technology has promoted the development of various industries, and chemical products have more and more weight in people's daily life, including medicines, chemical fertilizers, dissolved acetylene etc., and these products appear and mature and are not separated from chemical enterprises. Meanwhile, the explosion accidents of modern chemical enterprises are increasing, so that the research of the explosion prevention and ventilation of the chemical enterprises becomes an important direction and core problem of safety research. The modern increasingly chemical plants are improved in life quality, meanwhile, safety concerns of people are increased, the most direct and effective method for avoiding explosion of the chemical plants and poisoning of personnel in the plants is ventilation and air exchange, because combustible gas and toxic gas are the sources causing the explosion of the chemical plants and poisoning of workers, the potential safety hazards of explosion and poisoning can be effectively solved when gas leakage occurs by discharging the combustible gas in a ventilation and air exchange mode, the conventional ventilation facilities in the plants are used for ensuring normal use of rotating parts such as internal fans, the filter screen is usually arranged at an air inlet end for filtering dust, dust accumulation and flocculation are caused after the filter screen is used for a long time, the conventional solution is to scratch the impurities by arranging a rotatable brush outside the filter screen, however, for chemical enterprises, when dangerous chemicals leak, the filter screen arranged at an air inlet of the fan can definitely reduce the discharging speed of the dangerous gases, the discharging speed of the toxic gases is influenced by the filter screen, the effect in case of emergency discharging the toxic gases is not ideal, and the ventilation effect in an emergency state cannot be achieved under the emergency state, and the ventilation effect is not outstanding in the emergency state compared with daily ventilation.
Disclosure of Invention
The invention aims to solve the problems and provide the emergency ventilation and toxin expelling device for the chemical plant, which is characterized in that the installation disk capable of rotating under the support of the rotating shaft is arranged in the filter cartridge, the filter screen arranged in the installation disk is used as a filtering and dedusting structure in daily use, so that the filter screen can be quickly removed in an emergency state, the smoothness of an exhaust channel in emergency toxin expelling process is improved, the ventilation effect is better, the brush hair on the rear side of the sliding plate is utilized to realize reciprocating sweeping on the surface of the filter screen, the scraping and rubbing action of manually cleaning the surface of the filter screen is simulated, and the dust on the surface of the filter screen is not required to be manually cleaned, so that the emergency ventilation and toxin expelling device is convenient to use and is explained in detail below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides an emergency ventilation and toxin expelling device for a chemical plant, which comprises an air duct and a filter cartridge, wherein the filter cartridge is arranged at an opening at the front end of the air duct, a mounting disc is arranged in the filter cartridge, a pushing cylinder for supporting the mounting disc to rotate is arranged at the top side of the filter cartridge, a support bracket is arranged at the outer side of the mounting disc, two groups of guide covers which are transversely staggered are vertically arranged at the outer side of the support bracket, and a motor for supporting the support bracket and the guide covers to rotate is arranged at the middle part of the filter cartridge;
the filter cartridge is characterized in that the upper side and the lower side of the mounting plate are respectively fixed with a rotating shaft vertically penetrating through the filter cartridge, the rotating shafts are in clearance fit with the filter cartridge, a filter screen is arranged in the middle of the mounting plate, the fixed end of the pushing cylinder is hinged to the top side of the filter cartridge, the telescopic end of the pushing cylinder is hinged to a swing arm, and the other end of the swing arm is fixed to the top end of the rotating shaft on the upper side of the filter cartridge.
According to the emergency ventilation and toxin expelling device for the chemical plant, the group of filter cartridges are added on the basis of the original air duct, the filter cartridges are communicated with the air duct, the installation discs capable of rotating under the support of the rotating shaft to open and close the internal channels of the filter cartridges are arranged in the filter cartridges, and the filter screen arranged in the installation discs is used as a filtering and dedusting structure in daily use, so that the dedusting effect of the air inlet end of the air duct is ensured; when toxic gas or inflammable and explosive gas leakage in a chemical plant needs to be exhausted rapidly, the telescopic end of the pushing cylinder stretches, so that the pushing swing arm supports the rotating shaft to rotate, the mounting plate rotates to be parallel to the axis of the filter cartridge, the inner channel of the filter cartridge is opened rapidly, the blocking and filtering effects of the filter screen on the inner channel of the filter cartridge are relieved, and the filter screen can be removed rapidly in an emergency state; in addition, a support bracket capable of continuously rotating along an air inlet surface at the outer side of the filter screen is arranged at the outer side of the filter screen at the inner side of the installation disk, a sliding plate which is arranged in the support bracket in a sliding manner is used as a filter screen surface cleaning component, two groups of guide wheels are supported by wave grooves formed by a plurality of groups of convex blocks to drive the sliding plate to continuously and reciprocally slide in the rotating process, and the brush hair at the rear side of the sliding plate is used for reciprocally sweeping the surface of the filter screen so as to sweep impurities gathered at the outer side of the filter screen; in the continuous rotation process of the two groups of guide covers supported by the support bracket, the external gear at the outer end part of the storage rod is utilized to engage with the gear ring, so that the storage rod drives the transmission shaft to rotate, the transmission shaft is utilized to drive the cleaning shaft and the cleaning brush to rotate, the cleaning brush sweeps dust into the guide cover, the dust is conveyed into the position of the guide pipe through the spiral sheet which synchronously rotates along with the storage rod, and the dust material is conveyed into the dust tank by the spiral sheet which continuously rotates and pushes.
Preferably, a spoke-shaped support is arranged inside the air duct, a fan is fixed in the middle of the support, a plurality of groups of fan blades distributed in a surrounding mode are arranged at the output end of the fan, and a net cover is fixed at the rear end of the air duct.
Preferably, a motor frame for supporting the motor is fixed inside the filter cartridge at the rear side of the mounting plate, the motor output end longitudinally penetrates through the filter screen, and the motor output end is in clearance fit with the filter screen.
Preferably, the support bracket is a C-shaped frame body with an opening facing backwards, a sliding plate with two ends penetrating out of the support bracket is slidably matched in the support bracket, and bristles extending out of the opening at the rear side of the support bracket and propped against the front side of the filter screen are densely distributed at the rear side of the sliding plate.
Preferably, the mounting plate on the outer side of the filter screen is coaxially fixed with a gear ring, a plurality of groups of protruding blocks are arranged on the inner side of the gear ring in a surrounding mode, the protruding blocks are arc-shaped protrusions, the number of the protruding blocks is odd, and the protruding blocks are matched with the inner wall of the gear ring to form a wave groove structure.
Preferably, guide wheels are rotatably arranged at two ends of the sliding plate, and the two groups of guide wheels respectively support against the wave trough position and the wave crest position of the wave trough structure.
Preferably, the guide cover is a hollow structure fixed on the outer side of the support bracket, an ash inlet groove is formed in one side of the guide cover, a storage rod is rotatably matched on one side, away from the ash inlet groove, of the guide cover, an external gear meshed with the gear ring is fixed at the outer end part of the storage rod, a spiral sheet is fixed on the outer side of the storage rod, on the inner side of the guide cover, and air filtering holes are densely distributed on the outer side of the spiral sheet.
Preferably, a cleaning shaft is arranged in the middle of the guide cover and close to one side of the ash inlet groove, cleaning brushes capable of extending out of the ash inlet groove and extending to the outer side of the filter screen are densely distributed on the outer side of the cleaning shaft, and a driven gear is fixed at the outer end of the cleaning shaft.
Preferably, a transmission shaft is rotatably arranged on the outer side of the guide cover between the cleaning shaft and the storage rod, the transmission shaft is in transmission connection with the storage rod through a transmission belt, and a transmission gear meshed with the driven gear is fixed at the outer end part of the transmission shaft.
Preferably, one side, far away from the external gear, of the guide cover is communicated with a guide pipe, an ash tank is arranged on the outer side of the guide cover corresponding to the guide pipe, and a thread sleeve which is communicated with the guide pipe and is in threaded fit with the guide pipe is arranged at the opening end of the ash tank.
The beneficial effects are that: according to the invention, the installation disk capable of rotating under the support of the rotating shaft is arranged in the filter cartridge, the filter screen arranged in the installation disk is used as a filtering and dust removing structure in daily use, and when toxic gas leakage needs to be quickly exhausted, the swing arm is pushed by the pushing cylinder to support the rotating shaft to rotate, so that the installation disk is rotated to be parallel to the axis of the filter cartridge, and the internal channel of the filter cartridge is quickly opened, so that the filter screen can be quickly removed in an emergency state, the smoothness of an exhaust channel in emergency exhaust is improved, the exhaust speed is improved, and the ventilation effect is better;
in addition, a support bracket capable of continuously rotating along an air inlet surface at the outer side of the filter screen is arranged at the outer side of the filter screen at the inner side of the installation disk, a sliding plate and bristles at the inner side of the sliding plate are slidably arranged in the support bracket to serve as a filter screen surface cleaning component, two groups of guide wheels are supported by wave grooves formed by a plurality of groups of convex blocks to drive the sliding plate to continuously slide back and forth in the rotating process, the bristles at the rear side of the sliding plate are utilized to realize reciprocating sweeping on the surface of the filter screen, and scraping and rubbing actions for manually cleaning the surface of the filter screen are simulated, so that impurities gathered at the outer side of the filter screen are cleaned;
and in the continuous rotation process of the two groups of guide covers supported by the support bracket, the external gear at the outer end part of the storage rod is utilized to engage with the gear ring, so that the storage rod is utilized to drive the transmission shaft to rotate, the transmission shaft is utilized to drive the cleaning shaft and the cleaning brush to rotate, the cleaning brush sweeps dust into the guide cover, the spiral piece synchronously rotating along with the storage rod is matched with the guide cover to form the auger conveying mechanism, the spiral piece continuously rotating and pushing is utilized to input the dust material into the ash can to collect dust, the dust on the surface of the filter screen is not required to be manually cleaned, and the use is convenient.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view block diagram of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the structural disassembly of the present invention;
FIG. 4 is a schematic perspective view of a mounting plate of the present invention;
FIG. 5 is a schematic view of the support bracket of the present invention shown in a disassembled configuration;
FIG. 6 is a schematic view of the boot of the present invention in a disassembled configuration;
FIG. 7 is a schematic perspective view of another aspect of the present invention;
fig. 8 is a rear view of the structure of the present invention.
The reference numerals are explained as follows:
1. an air duct; 101. a bracket; 102. a blower; 103. a fan blade; 104. a mesh enclosure; 2. a filter cartridge; 3. a mounting plate; 301. a rotating shaft; 302. a filter screen; 303. a gear ring; 304. a bump; 4. a pushing cylinder; 401. swing arms; 5. a motor frame; 6. a motor; 7. a support bracket; 701. a slide plate; 702. a guide wheel; 703. brushing; 8. a guide cover; 801. a storage rod; 802. an ash inlet groove; 803. an external gear; 804. a transmission shaft; 804a, a transmission gear; 805. a cleaning shaft; 805a, a driven gear; 806. a cleaning brush; 807. a spiral sheet; 807a, air filter holes; 808. a conduit; 809. a drive belt; 9. an ash tank; 901. and (5) a threaded sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
Referring to fig. 1-8, the invention provides an emergency ventilation and detoxification device of a chemical plant, which comprises an air duct 1 and a filter cartridge 2, wherein the filter cartridge 2 is arranged at an air inlet position of an opening at the front end of the air duct 1, a mounting disc 3 is arranged in the filter cartridge 2, a pushing cylinder 4 for supporting the mounting disc 3 to rotate and open an internal channel of the filter cartridge 2 is arranged at the top side of the filter cartridge 2, a support bracket 7 is arranged at the outer side of the mounting disc 3, two groups of guide covers 8 which are transversely staggered are vertically arranged at the outer side of the support bracket 7, and a motor 6 for supporting the support bracket 7 and the guide cover 8 to rotate is arranged in the middle of the filter cartridge 2;
the pivot 301 that vertically passes through filter cartridge 2 is fixed with to the upside down side about the mounting disc 3, pivot 301 and cartridge filter 2 clearance fit ensure that mounting disc 3 can rotate in cartridge filter 2 inside, and the mounting disc 3 middle part is provided with filter screen 302, push cylinder 4 stiff end articulates in cartridge filter 2 top side, and push cylinder 4 flexible end articulates there is swing arm 401, the pivot 301 top of cartridge filter 2 upside is fixed in to the swing arm 401 other end, push cylinder 4 flexible end top swing arm 401 lateral shifting in-process, can utilize swing arm 401 to support pivot 301 to drive the mounting disc 3 and rotate.
As an alternative implementation manner, a spoke-shaped bracket 101 is arranged in the air duct 1, a fan 102 is fixed in the middle of the bracket 101, a plurality of groups of fan blades 103 which are distributed in a surrounding way are arranged at the output end of the fan 102, a net cover 104 which can prevent foreign matters at the rear side from entering the air duct 1 forwards is fixed at the rear end of the air duct 1, a motor frame 5 which supports a motor 6 is fixed in the filter cartridge 2 at the rear side of a mounting disc 3, the output end of the motor 6 longitudinally penetrates through a filter screen 302, the output end of the motor 6 is in clearance fit with the filter screen 302, a support bracket 7 is a C-shaped frame body with a backward opening, sliding plates 701 with two ends penetrating out of the support bracket 7 are in sliding fit in the support bracket 7, bristles 703 which extend out of the opening at the rear side of the support bracket 7 and are abutted against the front side of the filter screen 302 are densely distributed at the rear side of the slide plates 701, dust and other impurities on the surface of the filter screen 302 are scraped by the bristles 703 at the rear side of the slide plates 701, and the smoothness of the filter screen 302 is ensured;
the installation disk 3 on the outer side of the filter screen 302 is coaxially fixed with a gear ring 303, a plurality of groups of protruding blocks 304 are arranged on the inner side of the gear ring 303 in a surrounding manner, the protruding blocks 304 are arc-shaped protrusions, the number of the protruding blocks 304 is an odd number group, the protruding blocks 304 are matched with the inner wall of the gear ring 303 to form a wave groove structure, guide wheels 702 are rotatably arranged at two ends of the sliding plate 701, the two groups of guide wheels 702 respectively abut against the trough and the crest position of the wave groove structure, the number of the protruding blocks 304 is set to be an odd number group, and therefore two ends of the sliding plate 701 can be respectively located at the trough and the crest position of the wave groove, when the following sliding plate 701 rotates along with the support bracket 7, the sliding plate 701 can be supported to periodically slide back and forth along the length direction of the sliding plate 701, and scraping cleaning of dust on the surface of the filter screen 302 by bristles 703 at the rear side of the sliding plate 701 is realized;
the guide cover 8 is of a hollow structure fixed on the outer side of the support bracket 7, an ash inlet groove 802 is formed in one side of the guide cover 8, a storage rod 801 is rotatably matched on the side, far away from the ash inlet groove 802, of the guide cover 8, an external gear 803 which is meshed with the gear ring 303 is fixed at the outer end part of the storage rod 801, a spiral piece 807 is fixed on the outer side of the storage rod 801 on the inner side of the guide cover 8, a filter hole 807a is densely distributed on the outer side of the spiral piece 807, a cleaning shaft 805 is arranged on the middle part of the guide cover 8, close to the side of the ash inlet groove 802, of the guide cover 8, the cleaning shaft 805 is rotatably matched with the guide cover 8 through a sealing bearing, a cleaning brush 806 which can extend out of the ash inlet groove 802 and extend to the outer side of the filter screen 302 is densely distributed on the outer side of the cleaning shaft 805, a driven gear 805a is fixed on the outer end part of the cleaning shaft 805, and a conductive slip ring is arranged on the outer side of the cleaning shaft 805 to solve the static problem caused by contact of the cleaning brush 806 with the filter screen 302, and the conductive slip ring is electrically connected with a grounding wire to release static electricity so as to avoid explosion risks caused by static electricity in the brush action process;
the outside rotation of the guide cover 8 between the cleaning shaft 805 and the storage rod 801 is provided with a transmission shaft 804, the transmission shaft 804 is in transmission connection with the storage rod 801 through a transmission belt 809, the outer end part of the transmission shaft 804 is fixedly provided with a transmission gear 804a meshed with a driven gear 805a, one side of the guide cover 8, which is far away from the external gear 803, is communicated with a guide pipe 808, the outside of the guide cover 8 is provided with a dust tank 9 corresponding to the guide pipe 808, the opening end of the dust tank 9 is provided with a thread sleeve 901 which is communicated with the guide pipe 808 and is in threaded fit with the guide pipe 808, the dust tank 9 is conveniently and detachably fixed to the outside of the guide pipe 808 through the thread sleeve 901, so that the dust tank 9 is periodically detached, and the accumulated dust and other impurities are poured out of the dust tank 9 to serve as dust discharging paths, and the dust discharging method is more convenient to use.
By adopting the structure, a group of filter cartridges 2 are added on the basis of the original air duct 1, the filter cartridges 2 are communicated with the air duct 1, the installation plate 3 capable of rotating under the support of the rotating shaft 301 to open and close the internal channels of the filter cartridges 2 is arranged in the filter cartridges 2, and the filter screen 302 arranged in the installation plate 3 is used as a filtering and dust removing structure in daily use, so that the dust removing effect of the air inlet end of the air duct 1 is ensured; when toxic gas or inflammable and explosive gas leakage in a chemical plant needs to be exhausted rapidly, the telescopic end of the pushing cylinder 4 is extended, so that the pushing swing arm 401 supports the rotating shaft 301 to rotate, the mounting disc 3 rotates to be parallel to the axis of the filter cartridge 2, the inner channel of the filter cartridge 2 is opened rapidly, the blocking and filtering effects of the filter screen 302 on the inner channel of the filter cartridge 2 are relieved, and the filter screen 302 can be relieved rapidly in an emergency state; in addition, a supporting bracket 7 capable of continuously rotating along an air inlet surface at the outer side of the filter screen 302 is arranged at the outer side of the filter screen 302 at the inner side of the installation plate 3, a sliding plate 701 slidably arranged in the supporting bracket 7 is used as a surface cleaning component of the filter screen 302, two groups of guide wheels 702 are supported by wave grooves formed by a plurality of groups of convex blocks 304 to drive the sliding plate 701 to continuously slide in a reciprocating manner in the rotating process, and the brush hairs 703 at the rear side of the sliding plate 701 are utilized to realize reciprocating sweeping on the surface of the filter screen 302 so as to sweep impurities gathered at the outer side of the filter screen 302; in the continuous rotation process of the two groups of guide covers 8 supported by the support bracket 7, the external gear 803 at the outer end part of the storage rod 801 is used for meshing with the gear ring 303, so that the storage rod 801 drives the transmission shaft 804 to rotate, the transmission shaft 804 drives the cleaning shaft 805 and the cleaning brush 806 to rotate, the cleaning brush 806 sweeps dust into the guide covers 8, the dust is conveyed into the position of the guide pipe 808 through the spiral piece 807 which synchronously rotates along with the storage rod 801, the continuously rotating and pushing spiral piece 807 is used for conveying the dust material into the dust tank 9 to finish dust collection, and the dust tank 9 serves as a temporary storage container for sweeping dust and plays a role in collecting the dust and avoiding the sweeping dust from returning to polluted air in a factory building again;
through setting up the mounting plate 3 that can rotate under the support of pivot 301 in cartridge filter 2, filter screen 302 through the built-in mounting plate 3 is as the filtration dust removal structure when daily use, and when the toxic gas leakage needs quick exhaust appears, push away swing arm 401 support pivot 301 rotation through pushing cylinder 4, will install the disk 3 and rotate to the parallel state of cartridge filter 2 axis, thereby quick open cartridge filter 2 internal passage, can remove filter screen 302 fast under the emergent condition, the unobstructed nature of exhaust passage when improving emergent exhaust toxic gas, help improving the exhaust velocity, ventilation effect is better;
in addition, a supporting bracket 7 capable of continuously rotating along an air inlet surface at the outer side of the filter screen 302 is arranged at the outer side of the filter screen 302 at the inner side of the mounting disc 3, a sliding plate 701 and bristles 703 at the inner side of the supporting bracket 7 are slidably arranged as surface cleaning components of the filter screen 302, two groups of guide wheels 702 are supported by wave grooves formed by a plurality of groups of convex blocks 304 to drive the sliding plate 701 to continuously slide back and forth in the rotating process, the bristles 703 at the rear side of the sliding plate 701 are utilized to realize reciprocating sweeping on the surface of the filter screen 302, the scraping and rubbing action of manually cleaning the surface of the filter screen 302 is simulated, so that impurities gathered at the outer side of the filter screen 302 are cleaned, the mesh number of the filter screen 302 is not less than 200 meshes, and dust in air discharged after the filtering of the filter screen 302 can reach the second-level standard (120 mg/m) of the table 2 of GB16297-96 comprehensive emission standard of atmospheric pollutants 3 )；
And in the continuous rotation process of the two groups of guide covers 8 supported by the support bracket 7, the external gear 803 at the outer end part of the storage rod 801 is used for meshing with the gear ring 303, so that the storage rod 801 is used for driving the transmission shaft 804 to rotate, the transmission shaft 804 is used for driving the cleaning shaft 805 and the cleaning brush 806 to rotate, the cleaning brush 806 is used for cleaning dust into the guide covers 8, the spiral piece 807 which synchronously rotates along with the storage rod 801 is matched with the guide covers 8 to form an auger conveying mechanism, the continuously rotating and pushing spiral piece 807 is used for conveying the dust material into the ash can 9 to finish collecting and dedusting, the dust on the surface of the filter screen 302 is not required to be cleaned manually, and the use is convenient.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An emergent ventilation toxin expelling device of chemical industry factory building, its characterized in that: the novel filter cartridge comprises an air drum (1) and a filter cartridge (2), wherein the filter cartridge (2) is arranged at the front end opening of the air drum (1), a mounting disc (3) is arranged inside the filter cartridge (2), a pushing cylinder (4) for supporting the mounting disc (3) to rotate is arranged at the top side of the filter cartridge (2), a support bracket (7) is arranged at the outer side of the mounting disc (3), two groups of guide covers (8) which are transversely staggered are vertically arranged at the outer side of the support bracket (7), and a motor (6) for supporting the support bracket (7) and the guide covers (8) to rotate is arranged in the middle of the filter cartridge (2);
the filter cartridge is characterized in that a rotating shaft (301) vertically penetrating through the filter cartridge (2) is fixed on the upper side and the lower side of the mounting disc (3), the rotating shaft (301) is in clearance fit with the filter cartridge (2), a filter screen (302) is arranged in the middle of the mounting disc (3), the fixed end of the pushing cylinder (4) is hinged to the top side of the filter cartridge (2), a swing arm (401) is hinged to the telescopic end of the pushing cylinder (4), and the other end of the swing arm (401) is fixed to the top end of the rotating shaft (301) on the upper side of the filter cartridge (2).
2. The emergency ventilation and toxin expelling device for chemical plants according to claim 1, wherein: the novel fan is characterized in that a spoke-shaped support (101) is arranged inside the air duct (1), a fan (102) is fixed in the middle of the support (101), a plurality of groups of fan blades (103) distributed in a surrounding mode are arranged at the output end of the fan (102), and a net cover (104) is fixed at the rear end of the air duct (1).
3. The emergency ventilation and toxin expelling device for chemical plants according to claim 1, wherein: the motor frame (5) for supporting the motor (6) is fixed inside the filter cartridge (2) at the rear side of the mounting disc (3), the output end of the motor (6) longitudinally penetrates through the filter screen (302), and the output end of the motor (6) is in clearance fit with the filter screen (302).
4. The emergency ventilation and toxin expelling device for chemical plants according to claim 3, wherein: the support bracket (7) is a C-shaped frame body with an opening facing backwards, sliding plates (701) with two ends penetrating out of the support bracket (7) are slidably matched in the support bracket (7), and bristles (703) extending out of the opening at the rear side of the support bracket (7) and propped against the front side of the filter screen (302) are densely distributed at the rear side of the sliding plates (701).
5. The emergency ventilation and toxin expelling device for chemical plants according to claim 4, wherein: the installation plate (3) on the outer side of the filter screen (302) is coaxially fixed with a gear ring (303), a plurality of groups of protruding blocks (304) are arranged on the inner side of the gear ring (303) in a surrounding mode, the protruding blocks (304) are arc-shaped protrusions, the number of the protruding blocks (304) is an odd number group, and the protruding blocks (304) are matched with the inner wall of the gear ring (303) to form a wave groove structure.
6. The emergency ventilation and toxin expelling device for chemical plants according to claim 5, wherein: guide wheels (702) are rotatably arranged at two ends of the sliding plate (701), and the two groups of guide wheels (702) respectively prop against the wave trough and the wave crest of the wave trough structure.
7. The emergency ventilation and toxin expelling device for chemical plants according to claim 6, wherein: the guide cover (8) is of a hollow structure fixed on the outer side of the support bracket (7), an ash inlet groove (802) is formed in one side of the guide cover (8), a storage rod (801) is rotatably matched on one side, far away from the ash inlet groove (802), of the guide cover (8), an external gear (803) meshed with the gear ring (303) is fixed on the outer end portion of the storage rod (801), a spiral sheet (807) is fixed on the outer side of the storage rod (801) on the inner side of the guide cover (8), and air filtering holes (807 a) are densely distributed on the outer side of the spiral sheet (807).
8. The emergency ventilation and toxin expelling device for chemical plants according to claim 7, wherein: the dust collecting device is characterized in that a cleaning shaft (805) is arranged in the middle of the guide cover (8) and close to one side of the dust inlet groove (802), cleaning brushes (806) which can extend out of the dust inlet groove (802) and extend to the outer side of the filter screen (302) are densely distributed on the outer side of the cleaning shaft (805), and a driven gear (805 a) is fixed at the outer end of the cleaning shaft (805).
9. The emergency ventilation and toxin expelling device for chemical plants according to claim 8, wherein: the cleaning device is characterized in that a transmission shaft (804) is rotatably arranged on the outer side of the guide cover (8) between the cleaning shaft (805) and the storage rod (801), the transmission shaft (804) is in transmission connection with the storage rod (801) through a transmission belt (809), and a transmission gear (804 a) meshed with the driven gear (805 a) is fixed at the outer end part of the transmission shaft (804).
10. The emergency ventilation and toxin expelling device for chemical plants according to claim 9, wherein: guide cover (8) keep away from guide pipe (808) one side intercommunication, guide cover (8) outside corresponds guide pipe (808) and is provided with ash jar (9), ash jar (9) open end is provided with intercommunication guide pipe (808) and with this guide pipe (808) screw thread fit's thread bush (901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311320365.8A CN117287780A (en) | 2023-10-12 | 2023-10-12 | Emergency ventilation and toxin expelling device for chemical plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311320365.8A CN117287780A (en) | 2023-10-12 | 2023-10-12 | Emergency ventilation and toxin expelling device for chemical plant |
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| Publication Number | Publication Date |
|---|---|
| CN117287780A true CN117287780A (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311320365.8A Pending CN117287780A (en) | 2023-10-12 | 2023-10-12 | Emergency ventilation and toxin expelling device for chemical plant |
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| Country | Link |
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| CN (1) | CN117287780A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117646808A (en) * | 2024-01-30 | 2024-03-05 | 宏球阀门制造有限公司 | Gate valve for high-pressure liquid conveying pipeline |
-
2023
- 2023-10-12 CN CN202311320365.8A patent/CN117287780A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117646808A (en) * | 2024-01-30 | 2024-03-05 | 宏球阀门制造有限公司 | Gate valve for high-pressure liquid conveying pipeline |
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