CN114210140B - Plastic uptake exhaust treatment device - Google Patents
Plastic uptake exhaust treatment device Download PDFInfo
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- CN114210140B CN114210140B CN202111517420.3A CN202111517420A CN114210140B CN 114210140 B CN114210140 B CN 114210140B CN 202111517420 A CN202111517420 A CN 202111517420A CN 114210140 B CN114210140 B CN 114210140B
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- suction pipeline
- channel
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- 239000004033 plastic Substances 0.000 title claims abstract description 31
- 229920003023 plastic Polymers 0.000 title claims abstract description 31
- 239000007789 gas Substances 0.000 claims abstract description 56
- 238000000746 purification Methods 0.000 claims abstract description 44
- 239000010815 organic waste Substances 0.000 claims abstract description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002912 waste gas Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 62
- 239000000428 dust Substances 0.000 claims description 43
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 12
- 239000004836 Glue Stick Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 abstract description 11
- 239000002985 plastic film Substances 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000006378 damage Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000001179 sorption measurement Methods 0.000 description 8
- 230000035699 permeability Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- 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
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
Abstract
The invention relates to the field of plastic suction equipment, in particular to a plastic suction waste gas treatment device which comprises a suction hood, a suction pipeline, a purification box and an exhaust fan connected with an external power supply, wherein the purification box is a horizontally arranged hollow box body, the inner cavity of the purification box is provided with active carbon, the suction pipeline is horizontally arranged, the suction hood is communicated with the inner cavity of the purification box through the suction pipeline, the exhaust fan is arranged on one side, away from the suction pipeline, of the purification box, the exhaust fan is detachably connected with the purification box, and an air inlet of the exhaust fan is communicated with the inner cavity of the purification box. This device can carry out purification treatment to the organic waste gas that produces when heating the plastic sheet in the blister production, prevents that organic waste gas from causing injury and the pollution to the operation environment to staff's body.
Description
Technical Field
The invention relates to the field of plastic suction equipment, in particular to a plastic suction waste gas treatment device.
Background
The plastic uptake is a plastic processing technology, and the main principle is that after a flat plastic hard sheet is heated and softened, the plastic hard sheet is absorbed on the surface of a mould in vacuum, and the plastic hard sheet is formed after cooling, so that the plastic hard sheet is widely used in the industries of plastic packaging, lamp decoration, advertisement, decoration and the like.
Because plastics are a chemical, when putting into the plastic sheet heating chamber heating of plastic uptake mould with the plastic sheet, can produce a large amount of organic waste gas, organic waste gas overflows the plastic sheet heating chamber and distributes to the workshop air, if the workman inhales these organic waste gas for a long time, will cause the health injury, if directly discharge these organic waste gas to the outside in workshop, can cause outdoor air pollution.
Disclosure of Invention
The invention aims to provide a plastic uptake waste gas treatment device, which is used for purifying organic waste gas generated in the plastic uptake production process and preventing the organic waste gas from harming operation workers and polluting environmental air.
In order to achieve the above purpose, the basic scheme of the invention is as follows:
the utility model provides a plastic uptake exhaust treatment device, includes the cover of breathing in, the pipeline of breathing in, purifying box and external power supply's that sets gradually air exhauster, the purifying box is the cavity box that the level set up, and the inner chamber of purifying box is provided with the active carbon, the pipeline level of breathing in sets up, and the pipeline of breathing in will the cover of breathing in with the inner chamber intercommunication of purifying box, the air exhauster sets up in one side that the pipeline of breathing in was kept away from to the purifying box, and the air exhauster can be dismantled with the purifying box and be connected, the air inlet of air exhauster and the inner chamber intercommunication of purifying box.
Through the arrangement, when plastic suction operation is carried out, the suction cover is close to the plastic sheet heating cavity of the plastic suction mold, the suction fan is operated, organic waste gas generated when the plastic sheet is heated by the suction cover and the suction pipeline is sucked into the purification box, the organic gas is adsorbed by activated carbon in the purification box, and the purified gas is discharged out of the purification box by the suction fan.
Furthermore, in order to prevent particles such as dust in the air from adhering to the activated carbon and reducing the adsorption effect of the activated carbon on the organic gas, a first filter screen for filtering the sucked organic waste gas is arranged in the air suction pipeline.
Further, a circular outer convex part is arranged at the position, corresponding to the first filter screen, of the air suction pipeline, the outer diameter of the outer convex part is larger than the outer diameters of other parts of the air suction pipeline, a first channel is arranged in the side wall of the upper part of the air suction pipeline at the position of the outer convex part, the front port of the first channel is communicated with the inner cavity of the air suction pipeline between the first filter screen and the air suction cover, and the rear port of the first channel is communicated with the inner cavity of the air suction pipeline between the first filter screen and the purification box;
the outer convex part is vertically penetrated through the air suction pipeline and is provided with a first rectangular through groove and a second rectangular through groove, the first rectangular through groove and the second rectangular through groove are arranged side by side along the axis direction of the air suction pipeline, the first rectangular through groove is positioned between the first filter screen and the front port of the first channel, the first rectangular through groove is intersected with the inner cavities of the first channel and the air suction pipeline, the first rectangular through groove is internally connected with a first sliding plate in a sealing and sliding way, the lower end of the first sliding plate is positioned at the lower part of the first rectangular through groove, and the upper end of the first sliding plate upwards extends out of the air suction pipeline,
the second rectangular through groove is positioned between the rear end opening of the first channel and the purification box, a second sliding plate is connected in the second rectangular through groove in a sealing and sliding mode, the lower end of the second sliding plate is positioned at the lower portion of the second rectangular through groove, the upper end of the second sliding plate extends upwards out of the air suction pipeline, and a connecting plate is horizontally arranged to fixedly connect the upper end of the first sliding plate with the upper end of the second sliding plate;
the width dimension of the first sliding plate and the width dimension of the second sliding plate are both larger than the inner diameter dimension of the air suction pipeline and the inner diameter dimension of the first channel, a first through hole matched with the inner cavity of the air suction pipeline is formed in the first sliding plate, a second through hole matched with the inner cavity of the air suction pipeline is formed in the second sliding plate, and the first through hole and the second through hole are coaxially arranged;
a second channel is arranged in the side wall of the lower part of the air suction pipeline at the outer convex part, one end of the second channel is communicated with the inner cavity of the air suction pipeline between the first sliding plate and the first filter screen, and the other end of the second channel is communicated with the inner cavity of the lower part of the first rectangular through groove;
a support is arranged above the outer convex part, an electric telescopic rod which is externally connected with a power supply is vertically arranged on the support, the upper end of the electric telescopic rod is fixedly connected with the support, and the lower end of the electric telescopic rod is fixedly connected with the connecting plate;
the below of pipeline of breathing in sets up first pipeline, second pipeline and confined collection dirt water tank, be equipped with the water in the collection dirt water tank, the upper end of first pipeline with the sealed intercommunication of the lower extreme that first rectangle led to the groove, the lower extreme of first pipeline stretches into water bottom in the collection dirt water tank, the lower extreme of second pipeline and collection dirt water tank's upper portion inner chamber intercommunication, the lower port of second pipeline are located surface of water top space, the upper end of second pipeline with be located the second slide with the inner chamber intercommunication of the pipeline of breathing in between the purifying box.
Through the arrangement, when the air exhauster can quickly suck air through the air suction cover and the air suction pipeline due to less dust on the first filter screen, the first filter screen is in a normal filtering state, the electric telescopic rod is in an extension state, the first sliding plate and the second sliding plate are located at initial positions, at the moment, the first through hole and the second through hole are aligned with the inner cavity of the air suction pipeline, the first channel is separated from the upper part of the first sliding plate, the second channel is separated from the first rectangular through groove from the lower part of the first sliding plate, organic waste gas flows towards the purifying box from one end of the air suction cover through the first filter screen under the adsorption action of the air exhauster, the dust mixed with the organic waste gas is filtered by the first filter screen on the side surface of the first filter screen close to the air suction cover, the filtered organic waste gas enters the purifying box, and the organic waste gas is adsorbed and purified by activated carbon in the purifying box.
When the air permeability of the first filter screen is reduced due to more accumulated dust filtered on the first filter screen, the air draft speed of the exhaust fan is reduced, the noise is increased, at the moment, the electric telescopic rod is operated to contract to enable the first sliding plate and the second sliding plate to synchronously ascend for a certain distance, after the first sliding plate and the second sliding plate ascend, the inner cavity of the air suction pipeline is blocked by the lower part of the first sliding plate and the lower part of the second sliding plate, meanwhile, the first through hole in the first sliding plate is aligned with the first channel to enable the first channel to be communicated, after the lower part of the first sliding plate ascends, the second channel is communicated with the inner cavity of the lower part of the first rectangular through groove, under the suction force of the exhaust fan, organic waste gas enters the inner cavity of the air suction pipeline between the first filter screen and the second sliding plate through the first filter screen, flows to the direction close to the air suction hood to enter the second channel, then enters the water body of the dust collection water tank through the first pipeline to settle, and the settled organic waste gas enters the purification box through the second pipeline to be adsorbed and purified.
When organic waste gas reversely flows from the first channel to the second channel through the first filter screen, the airflow washes away dust accumulated on the side surface of the first filter screen close to the air suction cover to separate from the first filter screen, the dust falling off the first filter screen flows through the second channel along with the airflow, then flows through the lower inner cavity of the first rectangular through groove and then enters the bottom of the water body of the dust collecting water tank through the first pipeline, and the dust is settled in the water body and collected.
After the first filter screen is backwashed for a certain time, the electric telescopic rod is operated to extend to enable the first sliding plate and the second sliding plate to recover to the initial positions, and the first filter screen continues to filter dust in the forward direction.
Above-mentioned setting makes the adsorption affinity that utilizes the air exhauster under the circumstances of not stopping the air exhauster operation realize the washing of first filter screen, has improved the adsorption rate to organic waste gas and the work efficiency of air exhauster.
Furthermore, in order to prevent that the dust that gets into in the collection dirt water tank from rising along with the bubble and getting into the second pipeline, set up the second filter screen in collection dirt water tank's water, the edge week of second filter screen with integrated water tank's inner wall sealing connection, the position height of second filter screen is higher than the lower port position height of first pipeline.
Through the aforesaid setting, can prevent effectively that the dust from being adsorbed by the active carbon in getting into the second pipeline along with the bubble rises in the bubble of parcel in the water in the reentrant purifying box, the setting up of second filter screen has improved the adsorption efficiency of active carbon to organic waste gas.
Furthermore, the inner wall of the air suction pipeline is symmetrically provided with sliding grooves, the sliding grooves are arranged along the length direction of the air suction pipe, the first filter screen is symmetrically provided with lug plates in sliding fit with the sliding grooves, one end, close to the purifying box, of one sliding groove is provided with a press switch, the electric telescopic rod is provided with a controller for controlling the operation of the electric telescopic rod, the press switch is electrically connected with the controller, a first spring is horizontally arranged in the sliding groove, one end of the first spring is fixedly connected with one end, close to the purifying box, of the sliding groove, and the other end of the first spring is fixedly connected with the lug plates.
When the dust on the first filter screen is less, the air permeability of the first filter screen is better, the resistance of the first filter screen to the air flow is smaller, so that the pressure of the lug plate to the first spring is smaller, and the lug plate cannot extrude and trigger the press switch under the elastic force of the first spring.
When first filter screen normal work for a long time makes the dust on the first filter screen gather when more, the gas permeability of first filter screen reduces, first filter screen is to the resistance increase of air current, and then the otic placode makes the otic placode can remove and trigger press the switch to the pressure increase of first spring, the controller control electric telescopic handle shrink that is connected with the press the switch electricity makes first slide and second slide rise, controller control electric telescopic handle shrink and keep controlling electric telescopic handle extension again after the shrink state certain time and make first filter screen be in normal filtration state.
Can be according to the ventilative state of first filter screen automatic judgement and carry out automatic backwash to first filter screen through above-mentioned setting, realize the abluent automation of first filter screen, avoid artifical supervision to filter screen operating condition.
Further, for the filter area who improves first filter screen, set up first filter screen into the tip orientation the frustum form of purifying box, the otic placode is fixed connection with the big end of first filter screen.
Furthermore, in order to prevent dust in the air from entering an inner cavity of the air suction pipeline close to one side of the purifying box from the first channel and finally entering the purifying box when the first filter screen is reversely flushed, the front port of the first channel is provided with the third filter screen, the air suction pipeline at the front port of the first channel is provided with a throat part with the inner diameter smaller than the inner diameter of other parts of the air suction pipeline, the front port of the first channel is communicated with the throat part, a first through hole is arranged on the first sliding plate corresponding to the first channel when the electric telescopic rod is in the extension state, and a check valve which only allows the air to flow to the front end of the first channel from the rear end of the first channel is arranged in the first through hole.
The third filter screen filters the gas entering the first passage, when the first filter screen is in a normal filtering state, the gas flow speed is increased when the gas flows through the throat, the pressure is reduced, negative pressure is generated at the throat, the negative pressure enables the gas to flow to the front end of the first passage from the rear end of the first passage through the check valve in the third through hole and enter the throat, and the purpose of flushing the third filter screen in the reverse direction to flush dust on the third filter screen is achieved.
Further, at the vertical pivot that sets up in the rear end of first passageway, the upper end of pivot is located in the first passageway, in the lower extreme of pivot stretched into the inner chamber of breathing in the pipeline downwards, the inner wall fixed connection of branch and first passageway is passed through to the upper end of pivot, and the pivot is rotated with branch and is connected, sets up the impeller in being located the pivot of first passageway, and the lower extreme fixed connection soft glue stick of pivot.
When electric telescopic handle shrink made gaseous first passageway of flowing through get into the second passageway, the air current strikes the epaxial impeller of pivot and makes impeller drive pivot and flexible glue stick rotatory, and the rotatory dust that opens and strike on the bottom acceleration first filter screen of flagging flexible glue stick shakes off, makes first filter screen get the back flush more thoroughly.
Furthermore, for conveniently changing the active carbon sliding connection ventilative box in the purge bin, the active carbon is filled in ventilative box, for in time changing the active carbon the one end that is close to the air exhauster in the purge bin sets up the organic gas detector.
This plastic uptake exhaust treatment device's beneficial effect lies in:
1. organic waste gas generated when the plastic sheet is heated is sucked into the purifying box through the air suction pipeline and is exhausted after being adsorbed and purified by the active carbon, so that the organic waste gas is removed, the working environment of workers is improved, and the harm of the organic waste gas to the bodies of the workers is reduced;
2. the first filter screen is arranged to filter the organic waste gas entering the air suction pipeline, so that particles such as dust in the organic waste gas are filtered, the particles such as dust are prevented from entering the purification box, and the adsorption efficiency of the activated carbon is improved;
3. through setting up the linkage of mutually supporting of first slide, second slide, first passageway, second passageway, realized improving the filtration efficiency of first filter screen to the reverse washing clearance of first filter screen, reduce the change frequency of first filter screen, prolong the effective filter time of first filter screen, realized realizing the cleaning work to first filter screen under the circumstances of not stopping adsorbing organic waste gas simultaneously.
4. Set up integrated water tank and utilized the water to subside the collection to filterable dust, prevented that the dust after the filtration from wafting to operational environment in.
5. Through setting up spout, first spring and with the press switch of electric telescopic handle linkage, come the automatic aggregation degree of judging the dust on the first filter screen and the direction that automatic switch air current flowed through first filter screen according to the gas permeability of first filter screen comes to carry out the direction to wash first filter screen.
6. Through setting up pivot, impeller and connecting the soft glue stick in the pivot, the air current energy when utilizing to carry out the backwash to first filter screen reaches more dusts when making the soft glue stick pat first filter screen and break away from first filter screen, has improved the gas permeability of first filter screen, and then reaches the improvement to organic waste gas's suction speed and the adsorption efficiency who improves the active carbon.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a partial structural diagram of an embodiment of the invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the air suction cover 10, the air suction pipe 20, the outer convex part 201, the first channel 2011, the first rectangular through groove 2012, the first sliding plate 2013, the first through hole 2014, the second rectangular through groove 2015, the second sliding plate 2016, the second through hole 2017, the second channel 2018, the connecting plate 2019, the first filter screen 202, the ear plate 2021, the bracket 203, the electric telescopic rod 2031, the first pipe 204, the second pipe 205, the dust collection water tank 206, the water 2061, the second filter screen 2062, the sliding groove 207, the first spring 2071, the press switch 208, the throat 209, the purification tank 30, the ventilation box 301, the exhaust fan 40, the third filter screen 50, the third through hole 60, the check valve 601, the rotating shaft 701, the supporting rod 702, the impeller 703, the soft rubber rod 704 and the organic gas detector 80.
In the embodiment, as shown in fig. 1, the plastic uptake waste gas treatment device comprises an air uptake cover 10, an air uptake pipeline 20, a purification box 30 and an exhaust fan 40 connected with an external power supply, which are sequentially arranged, wherein the purification box 30 is a hollow box body arranged horizontally, a ventilation box 301 which is in sealing sliding fit with the inner wall of the purification box 30 is arranged in the purification box 30, and the ventilation box 301 is filled with active carbon for adsorbing organic waste gas.
Intake pipe 20 level sets up, intake pipe 20 passes through support frame and ground fixed connection, the cover 10 of breathing in is the heating chamber of loudspeaker form towards plastic suction mould, intake pipe 20's one end and the sealed intercommunication of cover 10 of breathing in, intake pipe 20's the other end and the sealed intercommunication of inner chamber of purifying box 30, external power supply's air exhauster 40 sets up in the one side that the pipeline 20 of breathing in was kept away from to purifying box 30, air exhauster 40 and purifying box 30 screwed connection, the air inlet of air exhauster 40 and the inner chamber intercommunication of purifying box 30, the one end that is close to air exhauster 40 in purifying box 30 sets up organic gas detector 80.
Referring to fig. 2 and 3, a first filter 202 for filtering the organic exhaust gas is disposed in the air intake duct 20, the first filter 202 is in a frustum shape with a small end facing the direction of the purification box 30, and a large end of the first filter 202 is in a sealed sliding connection with an inner wall of the air intake duct 20.
Referring to fig. 4, 2 sliding grooves 207 are symmetrically disposed on the inner wall of the air suction duct 20, the sliding grooves 207 are disposed along the length direction of the air suction duct, ear plates 2021 which are in sliding fit with the sliding grooves 207 are symmetrically disposed on the outer wall of the large end of the first filter screen 202, the ear plates 2021 are fixedly connected to the first filter screen 202, a push switch 208 is fixedly connected to one end of one sliding groove 207 close to the purification box 30, a first spring 2071 is horizontally disposed in the sliding groove 207, one end of the first spring 2071 is fixedly connected to one end of the sliding groove 207 close to the purification box 30, and the other end of the first spring 2071 is fixedly connected to the ear plates 2021.
The air suction pipeline 20 corresponds to the first filter screen and is integrally formed with the air suction pipeline 20 to form a circular outer convex part 201, the outer diameter of the outer convex part 201 is larger than the outer diameter of other parts of the air suction pipeline 20, a first channel 2011 is arranged in the side wall of the upper part of the air suction pipeline 20 at the outer convex part 201, the front port of the first channel 2011 is communicated with the inner cavity of the air suction pipeline 20 between the first filter screen 202 and the air suction cover 10, and the rear port of the first channel 2011 is communicated with the inner cavity of the air suction pipeline 20 between the first filter screen 202 and the purification box 30;
the outer convex portion 201 vertically penetrates through the air suction pipeline 20 to be provided with a first rectangular through groove 2012 and a second rectangular through groove 2015, the first rectangular through groove 2012 and the second rectangular through groove 2015 are arranged in parallel along the axial direction of the air suction pipeline 20, the first rectangular through groove 2012 is positioned between the front ports of the first filter screen 202 and the first channel 2011, the first rectangular through groove 2012 is intersected with the first channel 2011 and the inner cavity of the air suction pipeline 20, a first sliding plate 2013 is connected in the first rectangular through groove 2012 in a sealing and sliding manner, the lower end of the first sliding plate 2013 is positioned in the lower inner cavity of the first rectangular through groove 2012, the upper end of the first sliding plate 2013 upwards extends out of the air suction pipeline 20,
a second rectangular through groove 2015 is positioned between the rear port of the first passage 2011 and the purification box 30, a second sliding plate 2016 is connected in the second rectangular through groove 2015 in a sealing and sliding mode, the lower end of the second sliding plate 2016 is positioned in the lower inner cavity of the second rectangular through groove 2015, the upper end of the second sliding plate 2016 extends upwards out of the air suction pipeline 20, and a connecting plate 2019 is horizontally arranged to fixedly connect the upper end of the first sliding plate 2013 with the upper end of the second sliding plate 2016;
the width dimension of the first sliding plate 2013 and the width dimension of the second sliding plate 2016 are both larger than the inner diameter dimension of the air suction pipeline 20 and the inner diameter dimension of the first passage 2011, the first sliding plate 2013 is provided with a first through hole 2014 matched with the inner cavity of the air suction pipeline 20, the second sliding plate 2016 is provided with a second through hole 2017 matched with the inner cavity of the air suction pipeline 20, and the first through hole 2014 and the second through hole 2017 are coaxially arranged;
a second channel 2018 is arranged in the side wall of the lower part of the air suction pipeline 20 at the outer convex part 201, one end of the second channel 2018 is communicated with the inner cavity of the air suction pipeline 20 between the first sliding plate 2013 and the first filter screen 202, and the other end of the second channel 2018 is communicated with the inner cavity of the lower part of the first rectangular through groove 2012;
the support 203 is arranged above the outer convex part 201, the electric telescopic rod 2031 of the external power supply is vertically arranged on the support 203, the upper end of the electric telescopic rod 2031 is fixedly connected with the support 203, the lower end of the electric telescopic rod 2031 is fixedly connected with the connecting plate 2019, the electric telescopic rod 2031 is provided with a controller for controlling the operation of the electric telescopic rod 2031, and the controller is electrically connected with the press switch 208.
The dust collecting water tank 206 is vertically arranged, the dust collecting water tank 206 is fixedly connected with the ground through a support frame, a water body 2061 is arranged in the dust collecting water tank 206, a certain water-free space is reserved in an upper inner cavity of the dust collecting water tank 206, the upper end of the dust collecting water tank 206 is connected with an upper cover in a threaded sealing mode, the bottom of the dust collecting water tank 206 is in an inverted cone shape, a drain valve for draining the water body 2061 in the dust collecting water tank 206 out of the dust collecting water tank 206 is arranged at the bottom of the dust collecting water tank 206, the upper end opening of the first pipeline 204 is in a shape matched with the lower end opening of a first rectangular through groove 2012, the upper end opening of the first pipeline 204 is communicated with the lower end opening of a first rectangular through groove 2012 in a sealing mode, a second filter screen 2062 is arranged in the water body 2061 of the dust collecting water tank 206, the inner wall of the second pipeline 2062 is connected with the inner wall of the dust collecting water tank 206 along the periphery, the lower end opening of the first pipeline 204 sequentially penetrates through the upper cover of the second filter screen 2062 and the upper water tank 206 and extends into the bottom of the water tank 206, the water tank 206 is connected with the water tank, the water collecting water tank 205, the water tank 205, the upper end opening of the water tank 206, the water tank is connected with the water tank 206, the water collecting water tank 205, and the water tank 206, the water tank.
A third filter screen 50 is arranged at a front port of the first passage 2011, the periphery of the third filter screen 50 is fixedly connected with the inner wall of the first passage 2011 in a sealing mode, the air suction pipeline 20 at the front port of the first passage 2011 is provided with a throat portion 209 with the inner diameter smaller than the inner diameter of other parts of the air suction pipeline 20, the front port of the first passage 2011 is communicated with the throat portion 209, a third through hole 60 is formed in the first sliding plate 2013 in a penetrating mode, when the electric telescopic rod 2031 is in the extension state, the third through hole 60 is aligned with the first passage 2011, and a one-way valve 601 which allows air to flow from a rear port of the first passage 2011 to the front port of the first passage 2011 is arranged in the third through hole 60.
The rear end of first passageway 2011 is vertical to be set up, vertical pivot 701 that sets up in the rear end of first passageway 2011, the upper end of pivot 701 is located first passageway 2011, the lower extreme of pivot 701 stretches into downwards in the inner chamber of breathing tube 20, the inner wall fixed connection of shaft-like branch 702 and first passageway 2011 is passed through to the upper end of pivot 701, the coaxial dead eye of axis with the rear end of first passageway 2011 has been set up on the branch 702, thrust bearing has been installed in the dead eye, the upper end of pivot 701 is passed through thrust bearing and is connected with branch 702 rotation, be located and set up impeller 703 on the pivot 701 of first passageway 2011, the lower extreme fixed connection soft glue stick 704 of pivot 701, soft glue stick 704 is the state and hangs down when pivot 701 is static, when the axis rotation that drives soft glue stick 701 is rotatory, open soft glue stick 704 and can touch the tip bottom of first filter screen 202 centrifugal force under revoluting.
In actual use:
the bell mouth of the air suction cover 10 faces and is close to the plastic sheet heating cavity of the plastic suction mould, the air suction fan 40 is operated, organic waste gas generated when the plastic sheet is heated is sucked into the air suction pipeline 20 through the air suction cover 10 by the air suction fan 40, the organic waste gas is sucked into the purification box 30 after being filtered by the first filter screen 202, the organic gas is adsorbed by the active carbon in the purification box 30, and the purified gas is discharged out of the purification box 30 by the air suction fan 40.
When the dust on the first filter screen 202 is less, so that the exhaust fan 40 can rapidly suck air through the air suction hood 10 and the air suction duct 20, the first filter screen 202 is in a normal filtering state, the resistance of the first filter screen 202 to the air flow is less, so that the pressure of the lug plate 2021 to the first spring 2071 is less, the lug plate 2021 cannot squeeze and trigger the push switch 208 under the elastic force of the first spring 2071, at this time, the electric telescopic rod 2031 is in an extended state, the first slider 2013 and the second slider 2016 are located at an initial position, at this time, the first through hole 2014 and the second through hole 2017 are both aligned with the inner cavity of the air suction duct 20, the upper portion of the first slider 2013 blocks the first passage 2011, the lower portion of the first slider 2013 blocks the second passage 2018 from the first rectangular through groove 2012, the organic waste gas flows from one end of the air suction hood 10 to the purification box 30 through the first filter screen 202 under the adsorption action of the exhaust fan 40, and the first filter screen 202 filters the dust included in the organic waste gas on the side surface of the first filter screen 202 close to the air suction hood 10.
When the first filter screen 202 normally works for a long time to accumulate more dust on the first filter screen 202, the air permeability of the first filter screen 202 is reduced, the resistance of the first filter screen 202 to the airflow is increased, and further, the pressure of the ear plate 2021 on the first spring 2071 is increased, so that the ear plate 2021 can move and trigger the push switch 208, and the controller electrically connected with the push switch 208 controls the electric telescopic rod 2031 to contract to lift the first slide plate 2013 and the second slide plate 2016.
As shown in fig. 2, after the first slide plate 2013 and the second slide plate 2016 ascend, the lower portion of the first slide plate 2013 and the lower portion of the second slide plate 2016 block the inner cavity of the air suction duct 20, and at the same time, the first through hole 2014 of the first slide plate 2013 is aligned with the first passage 2011 to conduct the first passage 2011, and after the first slide plate 2013 ascends, the second passage 2018 is conducted with the lower inner cavity of the first rectangular through groove 2012, under the suction force of the exhaust fan 40, the organic exhaust gas enters the inner cavity of the air suction duct 20 between the first filter screen 202 and the second slide plate 2016 through the first passage 2011, and then flows through the first filter screen 202 toward the air suction hood 10 to enter the second passage 2018, when the organic exhaust gas flows through the first filter screen 202 in the reverse direction of the second passage 2018, the air flow is flushed away from the first filter screen 202 by the dust collected on the side of the first filter screen 202 near the air suction hood 10, and then flows into the second filter screen 2061 of the purified water body 2061 in the second water tank 2061, and is collected in the purified water body 205.
The controller controls the electric telescopic rod 2031 to contract and keep the contracted state for a certain time, and then controls the electric telescopic rod 2031 to extend to enable the first filter screen 202 to be in a normal filter state.
When organic waste gas circulates through the first passage 2011, the third filter screen 50 filters dust in the gas, when the first filter screen 202 normally works, the gas flow speed is increased and the pressure is reduced to generate negative pressure at the throat 209 when the gas flows through the throat 209, the negative pressure enables the gas to flow to the front end of the first passage 2011 through the one-way valve 601 in the third through hole 60 from the rear end of the first passage 2011 and enter the throat 209, and the third filter screen 50 is reversely flushed away with dust on the third filter screen 50.
When the electric telescopic rod 2031 contracts to enable air to flow through the first passage 2011 and enter the second passage 2018, the air flow impacts the impeller 703 on the rotating shaft 701 to enable the impeller 703 to drive the rotating shaft 701 and the soft rubber rod 704 to rotate, the drooping soft rubber rod 704 rotates and opens and strikes the bottom of the first filter screen 202 to accelerate the dust on the first filter screen 202 to shake off, and the first filter screen 202 is enabled to be washed reversely more thoroughly.
The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. The utility model provides a plastics sucking moulding exhaust treatment device which characterized in that: the purification device comprises an air suction cover, an air suction pipeline, a purification box and an exhaust fan connected with an external power supply, wherein the air suction cover, the air suction pipeline, the purification box and the exhaust fan are sequentially arranged, the purification box is a hollow box body which is horizontally arranged, activated carbon is arranged in an inner cavity of the purification box, the air suction pipeline is horizontally arranged, the air suction cover is communicated with the inner cavity of the purification box, the exhaust fan is arranged on one side, away from the air suction pipeline, of the purification box, the exhaust fan is detachably connected with the purification box, an air inlet of the exhaust fan is communicated with the inner cavity of the purification box, and a first filter screen for filtering sucked organic waste gas is arranged in the air suction pipeline;
a circular outer convex part is arranged on the air suction pipeline corresponding to the first filter screen, the outer diameter of the outer convex part is larger than the outer diameter of other parts of the air suction pipeline, a first channel is arranged in the side wall of the upper part of the air suction pipeline at the outer convex part, the front port of the first channel is communicated with the inner cavity of the air suction pipeline between the first filter screen and the air suction cover, and the rear port of the first channel is communicated with the inner cavity of the air suction pipeline between the first filter screen and the purification box;
the air suction pipeline is vertically penetrated through the outer convex part, a first rectangular through groove and a second rectangular through groove are formed in the position of the outer convex part, the first rectangular through groove and the second rectangular through groove are arranged in parallel along the axis direction of the air suction pipeline, the first rectangular through groove is located between the first filter screen and the front end opening of the first channel, the first rectangular through groove is intersected with the inner cavities of the first channel and the air suction pipeline, a first sliding plate is connected in the first rectangular through groove in a sealing and sliding mode, the lower end of the first sliding plate is located at the lower portion of the first rectangular through groove, and the upper end of the first sliding plate extends out of the air suction pipeline upwards;
the second rectangular through groove is positioned between the rear end opening of the first channel and the purification box, a second sliding plate is connected in the second rectangular through groove in a sealing and sliding mode, the lower end of the second sliding plate is positioned at the lower portion of the second rectangular through groove, the upper end of the second sliding plate extends upwards out of the air suction pipeline, and a connecting plate is horizontally arranged to fixedly connect the upper end of the first sliding plate with the upper end of the second sliding plate;
the width dimension of the first sliding plate and the width dimension of the second sliding plate are both larger than the inner diameter dimension of the air suction pipeline and the inner diameter dimension of the first channel, a first through hole matched with the inner cavity of the air suction pipeline is formed in the first sliding plate, a second through hole matched with the inner cavity of the air suction pipeline is formed in the second sliding plate, and the first through hole and the second through hole are coaxially arranged;
a second channel is arranged in the side wall of the lower part of the air suction pipeline at the outer convex part, one end of the second channel is communicated with the inner cavity of the air suction pipeline between the first sliding plate and the first filter screen, and the other end of the second channel is communicated with the inner cavity of the lower part of the first rectangular through groove;
a support is arranged above the outer convex part, an electric telescopic rod which is externally connected with a power supply is vertically arranged on the support, the upper end of the electric telescopic rod is fixedly connected with the support, and the lower end of the electric telescopic rod is fixedly connected with the connecting plate;
the below of pipeline of breathing in sets up first pipeline, second pipeline and confined collection dirt water tank, be equipped with the water in the collection dirt water tank, the upper end of first pipeline with the sealed intercommunication of the lower extreme that first rectangle led to the groove, the lower extreme of first pipeline stretches into water bottom in the collection dirt water tank, the lower extreme of second pipeline and collection dirt water tank's upper portion inner chamber intercommunication, the lower port of second pipeline are located surface of water top space, the upper end of second pipeline with be located the second slide with the inner chamber intercommunication of the pipeline of breathing in between the purifying box.
2. The plastic uptake waste gas treatment device of claim 1, wherein: set up the second filter screen in dust collecting water tank's water, the second filter screen along week with dust collecting water tank's inner wall sealing connection, the position height of second filter screen is higher than the lower port position height of first pipeline.
3. The plastic uptake waste gas treatment device of claim 2, wherein: the automatic air suction device is characterized in that sliding grooves are symmetrically formed in the inner wall of an air suction pipeline and are arranged along the length direction of an air suction pipe, lug plates in sliding fit with the sliding grooves are symmetrically arranged on a first filter screen, a press switch is arranged at one end, close to a purification box, of one sliding groove, a controller for controlling the operation of the electric telescopic rod is arranged on the electric telescopic rod, the press switch is electrically connected with the controller, a first spring is horizontally arranged in the sliding groove, one end of the first spring is fixedly connected with one end, close to the purification box, of the sliding groove, and the other end of the first spring is fixedly connected with the lug plates.
4. The plastic uptake waste gas treatment device of claim 3, wherein: first filter screen sets up to the tip orientation the frustum form of purifying box, the otic placode is fixedly connected with the big end of first filter screen.
5. The plastic uptake exhaust treatment device of claim 4, wherein: the front port of the first channel is provided with a third filter screen, the air suction pipeline at the front port of the first channel is provided with a throat part with the inner diameter smaller than the inner diameters of other parts of the air suction pipeline, the front port of the first channel is communicated with the throat part, a third through hole is arranged at a position, corresponding to the first channel, on the first sliding plate when the electric telescopic rod is in an extension state, and a check valve which allows air to flow from the rear port of the first channel to the front port of the first channel is arranged in the third through hole.
6. The plastic uptake waste gas treatment device of claim 5, wherein: the vertical pivot that sets up in the rear end of first passageway, the upper end of pivot is located in the first passageway, in the lower extreme of pivot stretched into the inner chamber of breathing in the pipeline downwards, the inner wall fixed connection of branch and first passageway is passed through to the upper end of pivot, and the pivot rotates with branch to be connected, sets up the impeller in the pivot that is located the first passageway, and the lower extreme fixed connection flexible glue stick of pivot.
7. The plastic uptake exhaust treatment device of claim 6, wherein: the purification box is internally provided with a ventilation box in sliding connection, the activated carbon is filled in the ventilation box, and an organic gas detector is arranged at one end, close to the exhaust fan, in the purification box.
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Effective date of registration: 20240409 Address after: 402160 No. 7, Tangwan Road, Zhongshan Road Street, Yongchuan District, Chongqing (in Fenghuang Lake Industrial Park, Yongchuan Industrial Park, Chongqing) Patentee after: Chongqing Chunqiu Electronic Technology Co.,Ltd. Country or region after: China Address before: 402761 2-1, No. 2, Tangfang West 1st Road, Qinggang street, Bishan District, Chongqing (plant 6) Patentee before: Chongqing Shangyi plastic products Co.,Ltd. Country or region before: China |