CN105477976B - Vent cabinet cleaning equipment for waste organic gas and regeneration method of active carbon and circuit controller - Google Patents
Vent cabinet cleaning equipment for waste organic gas and regeneration method of active carbon and circuit controller Download PDFInfo
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- CN105477976B CN105477976B CN201510959611.3A CN201510959611A CN105477976B CN 105477976 B CN105477976 B CN 105477976B CN 201510959611 A CN201510959611 A CN 201510959611A CN 105477976 B CN105477976 B CN 105477976B
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- 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
- B01D53/04—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 with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- 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
- B01D53/04—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 with stationary adsorbents
- B01D53/0454—Controlling adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3416—Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3458—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase
- B01J20/3466—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase with steam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of vent cabinet cleaning equipment for waste organic gas in waste gas purification technical field, including external air exhausting tube and purification tank body, external air exhausting tube is connected with purifying the top of tank body, reducing Five-way tube is correspondingly provided with above purification tank body, four lower linking tubes of reducing Five-way tube are corresponding to be connected with air draft down pipe, purification tank body lower part is fixedly connected with waste collection bucket, separated between purification tank body and waste collection bucket through porous supporting plate, active carbon filler is deposited in purification tank interior, and the lower end of air draft down pipe is connected with Ji Fengqu on the inside of waste collection bucket；Vertically-mounted on porous supporting plate to have steam gas distribution pipe, the waste collection bucket Nei Jifeng areas are connected with hot blast air inlet pipe, and the air inlet of hot blast air inlet pipe is connected through hot blast motor-driven valve with air-heater.Active carbon filler is heated by steam generator, then dried through air-heater, the in-situ regeneration of activated carbon is realized, increases the service life, the present apparatus and the interdependent arrangement of vent cabinet, reduces fan energy consumption.
Description
Technical field
The invention belongs to waste gas purification technical field, more particularly to a kind of vent cabinet cleaning equipment for waste organic gas and activated carbon
Renovation process and circuit controller.
Background technology
It is continuously increased with the scale and quantity of school duty room and R＆D units, laboratory pollution problem is also increasingly dashed forward
Go out.Laboratory hood exhaust emission species is miscellaneous, and concentration is high, strong toxicity, and discharge capacity is small and endangers greatly, and most laboratory all positions
In aggregation zone of living and handle official business, enough attention should be caused.
In the prior art, organic waste-gas purification method mainly has the catalysis burning method of purification, directly the burn method of purification, biology net
Change method, the plasma decomposition method of purification and the active carbon adsorption method of purification.Because active carbon adsorption is easy to implement, laboratory hood
Organic exhaust gas typically uses the charcoal absorption method of purification.In the prior art, there is a kind of vent cabinet cleaning equipment for waste organic gas, it is tied
Structure includes the adsorption tower being connected through pipeline with vent cabinet, is used for only provided with the blower fan for air draft, interior be provided with of adsorption tower in pipeline
Change the activated carbon of waste gas.It is disadvantageous in that：First, adsorption tower is generally arranged at roof or ground, the distance with vent cabinet
It is longer, therefore gas sampling pipeline is grown, blower fan power consumption is big, and purification cost is higher, and the pipeline between more vent cabinets interferes,
Pipe laying difficulty is big；Second, in order to ensure purification efficiency, activated carbon needs to change in time in use for some time, absorption
The activated carbon replacement cycle in tower is difficult to grasp, and the cost for constantly changing activated carbon is higher.
The content of the invention
An object of the present invention is to provide a kind of vent cabinet cleaning equipment for waste organic gas, makes itself and the interdependent cloth of vent cabinet
Put, shorten the duct length for collecting vent cabinet waste gas, reduce fan energy consumption and piping cost, can be just after waste gas purification
Nearly discharge.
The object of the present invention is achieved like this：A kind of vent cabinet cleaning equipment for waste organic gas, including active carbon filler and
The exhaust system being connected with vent cabinet, the exhaust system include the external air exhausting tube being fixedly mounted on exterior wall, outer air draft
Exhaust fan is correspondingly installed at the air outlet of pipe, upright purification pot is additionally provided between the external air exhausting tube and vent cabinet
Body, the other end of the external air exhausting tube are connected with purifying the top of tank body, purify that reducing five is correspondingly provided with above tank body is logical
Pipe, the reducing Five-way tube include a upper connecting tube and four lower linking tubes that Open Side Down, and the upper connecting tube of reducing Five-way tube is through logical
Wind cabinet exhaust duct is connected with vent cabinet, and four lower linking tubes of reducing Five-way tube, which correspond to, is connected with air draft down pipe, described net
Change tank body lower part and be fixedly connected with the waste collection bucket being connected as a single entity with tank body, purify between tank body and waste collection bucket through porous
Supporting plate separates, and the active carbon filler is deposited in purification tank interior, the lower end of the air draft down pipe through porous supporting plate
It is connected through union elbow with the Ji Fengqu on the inside of waste collection bucket；If vertically-mounted on the porous supporting plate have dry saturated steam cloth
Tracheae, the upper end of every steam gas distribution pipe are embedded in active carbon filler, lower end and the steaming being horizontally set in waste collection bucket
Vapour air inlet pipe is connected, and the air inlet of steam inlet duct is connected through steam motor-driven valve with steam generator, the waste collection
Bucket Nei Jifeng areas are connected with hot blast air inlet pipe, and the air inlet of hot blast air inlet pipe is connected through hot blast motor-driven valve with air-heater,
Hollow cuboid raised line of the 8-10 roots by uniform intervals spread configuration is fixedly welded with the upside of the porous supporting plate, every convex
The width of bar is 25-35mm, and the height of raised line is 45-55mm, adjacent raised line at intervals of 75-85mm；On porous supporting plate
Hole is some rectangle passages that every raised line both sides are arranged in by uniform intervals, and the width of rectangle passage is 1.5-
2.5mm, it is highly 35-45mm, the spacing of adjacent vent holes is 7-9mm, the surface of the porous supporting plate and positioned at every
It is equipped with some a diameter of 15-25mm circular hole below raised line, the adjacent circular holes below every raised line press 45-55mm interval
Equidistant arrangement is set, and the waste collection Dou Jifeng areas are connected through the circular hole with passage with purification tank interior.
When the present apparatus works, exhaust fan work, vent cabinet waste gas enters the upper of reducing Five-way tube through vent cabinet exhaust duct
Adapter, then corresponding four air draft down pipes are respectively enterd from four lower linking tubes of reducing Five-way tube, waste gas is again through union elbow
Into waste collection Dou Jifeng areas, purification tank interior is entered by the hole on porous supporting plate, active carbon filler absorption is fallen
Impurity, the purified gases such as attached aromatics, alcohols, lipid in waste gas are discharged by external air exhausting tube.Compared with prior art,
The beneficial effects of the present invention are：Tank body and the interdependent arrangement of vent cabinet will be purified, shortens the pipeline length for collecting vent cabinet waste gas
Degree, waste gas enter purification tank body and can discharged nearby after active carbon filler purifies, and reduce fan energy consumption and piping cost.This
Device adapts to the features such as laboratory exhaust gas discharge species is more, change in concentration is big, intermittent operation, and mutually matches with vent cabinet
Set, does not change the existing arrangement in laboratory.Waste gas in waste collection Dou Jifeng areas passes sequentially through circular hole on porous supporting plate, convex
The passage of bar both sides enters in active carbon filler so that resistance when air-flow enters active carbon filler through porous supporting plate is significantly
Reduce, and reduce the loss amount that granular activated carbon leaks under the hole on porous supporting plate；Waste gas can more uniformly enter
Enter in active carbon filler, activated carbon more fully adsorbs the harmful substance in waste gas.The present apparatus is simple in construction, easy to use,
It is easy to spread.
As a further improvement on the present invention, the raised line is provided with 9, and the width of raised line is 30mm, the height of raised line
For 50mm, adjacent raised line at intervals of 80mm；The width of the passage is 2mm, is highly 40mm, the spacing of adjacent vent holes
For 8mm, a diameter of 20mm of the circular hole, the spacing of adjacent circular holes is 50mm.The technical scheme causes waste gas from porous support
The passage of circular hole and raised line both sides on plate more uniformly enters in active carbon filler, and waste gas is fully tightly held by activated carbon
Purification, improve purification efficiency.
As a further improvement on the present invention, the upper and lower part of the purification tank wall is respectively equipped with filler charging aperture
With filler discharging opening.By filler charging aperture toward purification tank body in add active carbon filler, when active carbon filler using one timing
Between need change when, active carbon filler is taken out by filler discharging opening.
As a further improvement on the present invention, the height of the active carbon filler layer is arranged to 550-650mm, purifies tank body
Internal and positioned at active carbon filler upper horizontal is provided with screen pack, and screen pack is arranged on the top of filler charging aperture.The technology
Scheme make it that the effect of harmful substance in active carbon filler absorption waste gas is preferable, and waste gas is by active carbon filler and along purification pot
When body ramps up, amount of activated charcoal particle can be taken away, screen pack can retain the active carbon filler being less easily entrained by.
In order that purification tank body can more uniformly be entered by obtaining the steam that steam generator sprays, the steam gas distribution pipe be set
It is equipped with 9, steam gas distribution pipe circumferentially uniform spread configuration.
The second object of the present invention is to provide a kind of regeneration method of active carbon of vent cabinet cleaning equipment for waste organic gas so that
Active carbon filler after a certain period of use time, can carry out in-situ regeneration, reduce and change number and operating cost, extend activated carbon
Service life, greatly save purification cost.
Therefore, the technical scheme is that：A kind of regeneration method of active carbon of vent cabinet cleaning equipment for waste organic gas, bag
Include following steps：The active carbon filler finished changing is recycled several times, each recycling process of active carbon filler
Comprise the following steps：
Stop after the exhaust fan work 200-900h, steam generator work is passed through 170-190 DEG C of steam 20-
Stop after 40min, air-heater work stops after being passed through 130-150 DEG C of hot blast 50-70min, and vent cabinet waste gas purification apparatus is empty
Carrying row 25-35min.
Exhaust fan works, and vent cabinet waste gas purification apparatus starts purification exhaust case waste gas, and active carbon filler uses 200-
Start to regenerate after 900h, steam generator produces steam and enters active carbon filler by steam inlet duct and steam gas distribution pipe
Layer, the heating of Activated carbon filling material of steam, the mean kinetic energy of adsorption molecule is improved, adsorption molecule disengaging activated carbon surface, is produced
Raw waste liquid is entered in waste collection bucket by porous supporting plate, and then air-heater generation hot blast enters collection wind through hot blast air inlet pipe
Area, hot blast are entered back into active carbon filler layer and dried by the circular hole on porous supporting plate, the passage on raised line, ventilation
The regeneration of activated carbon is completed after cabinet waste gas purification apparatus no-load running 25-35min；Then the circulation of above-mentioned active carbon filler is repeated
Use process.After this method make it that active carbon filler completes absorption to waste gas, in-situ regeneration can be carried out, reduces and changes number
And operating cost, and then continue to purify waste gas, the service life of activated carbon is extended, greatlys save purification cost.
In order to use active carbon filler as far as possible, circular regeneration is preferably carried out to activated carbon, the active carbon filler is carried out
Recycle five times, during recycling every time, steam generator work stops after being passed through 180 DEG C of steam 30min, hot blast
Machine work stops after being passed through 140 DEG C of hot blast 60min, vent cabinet waste gas purification apparatus no-load running 30min.Active carbon filler follows
Ring use five times after, adsorption effect has substantially reduced, and is passed through 180 DEG C of steam 30min, can fully heating of Activated charcoal fill out
Material, 140 DEG C of hot blast 60min is passed through, can fully dry activated carbon, save the energy.
In order to ensure that active carbon filler is good to the adsorption effect of waste gas, the first time of the active carbon filler recycles
During, stop after exhaust fan work 700-900h；During second recycles, after exhaust fan work 500-700h
Stop；During third time recycles, stop after exhaust fan work 400-600h；During 4th time recycles, outside
Stop after exhaust blower work 300-500h；During 5th time recycles, stop after exhaust fan work 200-400h.Activity
Being regenerated after charcoal use, adsorption effect can reduce, during five times recycle, the lasting adsorption time of active carbon filler
Progressively shorten.
The third object of the present invention is to provide a kind of electricity of the regeneration method of active carbon of vent cabinet cleaning equipment for waste organic gas
Road controller, the regenerative process of accurate control activated carbon can be realized.
To achieve the above object：A kind of circuit control of the regeneration method of active carbon of vent cabinet cleaning equipment for waste organic gas
Device, including：
Power module, for providing the work electricity of MCU Microprocessor Control Unit, steam generator, air-heater and exhaust fan
Pressure；
Time detecting module, for detecting steam generator, air-heater and the working time of exhaust fan；
Steam generator control module, for controlling the working condition of steam generator；
Air-heater control module, for controlling the working condition of air-heater；
Exhaust fan control module, for controlling the working condition of exhaust fan；
MCU Microprocessor Control Unit, for controlling steam generator control module, air-heater control module and exhaust fan
The working condition of control module；
When circuit controller works, MCU Microprocessor Control Unit sends working signal to exhaust fan control module, at that time
Between detection module when to measure working time of exhaust fan be 200-900h, MCU Microprocessor Control Unit controls mould to exhaust fan
Block sends silence signal, and sends working signal to steam generator control module；When time detection module measures steam
When the working time of generator is 20-40min, MCU Microprocessor Control Unit sends to steam generator control module and is stopped
Signal, and send working signal to air-heater control module；It is 50- when the working time that time detection module measures air-heater
During 70min, MCU Microprocessor Control Unit sends silence signal to air-heater control module, and to exhaust fan control module
Unloaded operation signal is sent, when the unloaded operation time that time detection module measures exhaust fan is 25-35min, microprocessor
Machine control unit sends working signal to exhaust fan control module；Repetitive cycling said process 4-6 times.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the enlarged drawing at A in Fig. 1.
Fig. 3 is Fig. 1 top view.
Fig. 4 is the structural representation of porous supporting plate.
Fig. 5 is Fig. 4 BB to sectional view.
Fig. 6 is the sectional drawing of the raised line on porous supporting plate.
Fig. 7 is the schematic diagram of the circuit controller of the regeneration method of active carbon of vent cabinet cleaning equipment for waste organic gas.
Fig. 8 is the job step signal of the circuit controller of the regeneration method of active carbon of vent cabinet cleaning equipment for waste organic gas
Figure.
Wherein, 1 external air exhausting tube, 2 exterior walls, 3 exhaust fans, 4 purification tank bodies, 5 reducing Five-way tubes, 6 vent cabinet exhaust ducts,
7 vent cabinets, 8 waste collection buckets, 8a Ji Fengqu, 9 porous supporting plates, 10 active carbon fillers, 11 air draft down pipes, 12 bend pipes connect
Head, 13 steam gas distribution pipes, 14 steam inlet ducts, 15 steam generators, 16 hot blast air inlet pipe, 17 air-heaters, 18 discharging of waste liquid pipes,
19 support frames, 20 raised lines, 21 circular holes, 22 passages, 23 filler charging apertures, 24 filler discharging openings, 25 screen packs.
Embodiment
Such as Fig. 1-6, for a kind of vent cabinet cleaning equipment for waste organic gas of the present invention, including active carbon filler 10 and with ventilation
The exhaust system that cabinet is connected, the exhaust system include the external air exhausting tube 1 being fixedly mounted on exterior wall 2, external air exhausting tube 1
Exhaust fan 3 is correspondingly installed at air outlet, upright purification tank body 4 is additionally provided between external air exhausting tube 1 and vent cabinet 7, only
Change tank body 4 to be fixedly mounted on support frame 19；The other end of external air exhausting tube 1 is connected with purifying the top of tank body 4, purifies tank body
4 top is correspondingly provided with reducing Five-way tube 5, and reducing Five-way tube 5 includes a upper connecting tube and four lower linking tubes that Open Side Down, different
The upper connecting tube of footpath Five-way tube 5 is connected through vent cabinet exhaust duct 6 with vent cabinet 7, and four lower linking tubes of reducing Five-way tube 5 are corresponding
Air draft down pipe 11 is connected with, purification tank body 4 bottom is fixedly connected with the waste collection bucket 8 being connected as a single entity with tank body, and waste liquid is received
8 lower ends of collection bucket are provided with discharging of waste liquid pipe 18；Separated between purification tank body 4 and waste collection bucket 8 through porous supporting plate 9, activated carbon
Filler 10 is deposited in inside purification tank body 4 through porous supporting plate 9, in order to reduce the loss amount of activated carbon, porous supporting plate 9 it is upper
Side is fixedly welded with 9 hollow cuboid raised lines 20 by uniform intervals spread configuration, and the width of every raised line 20 is 30mm, convex
The height of bar 20 is 50mm, adjacent raised line 20 at intervals of 80mm；Hole on porous supporting plate 9 is by uniform intervals spread configuration
Some rectangle passages 22 the every both sides of raised line 20, the width of rectangle passage 22 is 2mm, is highly 40mm, adjacent logical
The spacing of stomata 22 is 8mm, and the surface of porous supporting plate 9 is simultaneously equipped with some a diameter of positioned at the lower section of every raised line 20
20mm circular hole 21, the adjacent circular holes 21 of the every lower section of raised line 20 are set by 50mm interval equidistant arrangement, waste collection bucket 8
Ji Feng areas 8a through circular hole 21 and passage 22 be connected inside purification tank body 4；The lower end of air draft down pipe 11 is through union elbow
12 are connected with the Ji Feng areas 8a of the inner side of waste collection bucket 8；It is vertically-mounted on porous supporting plate 9 to have 9 steam gas distribution pipes, every
The upper end of steam gas distribution pipe 9 is embedded in active carbon filler 10, lower end and the steam inlet being horizontally set in waste collection bucket 8
Pipe 14 is connected, and is more uniformly fully contacted in order that obtaining steam with active carbon filler, if the upper end of steam gas distribution pipe is provided with
Dry micropore；The air inlet of steam inlet duct 14 is connected through steam motor-driven valve with steam generator 15, the collection in waste collection bucket 8
Wind area 8a is connected with hot blast air inlet pipe 16, and the air inlet of hot blast air inlet pipe 16 is connected through hot blast motor-driven valve with air-heater 17.
The upper and lower part of the purification side wall of tank body 4 is respectively equipped with filler charging aperture 23 and filler discharging opening 24.10 layers of active carbon filler
550-650mm is highly arranged to, the inside of tank body 4 is purified and the upper horizontal positioned at active carbon filler 10 is provided with screen pack 25, mistake
Filter screen 25 is arranged on the top of filler charging aperture 23.
A kind of regeneration method of active carbon of vent cabinet cleaning equipment for waste organic gas of the present invention, comprises the following steps：It will change
Good active carbon filler 10 recycle five times, and each recycling process of active carbon filler 10 comprises the following steps：
Stop after the work of exhaust fan 3 800h, the work of steam generator 15 stops after being passed through 180 DEG C of steam 30min, heat
The work of blower fan 17 stops after being passed through 140 DEG C of hot blast 60min, vent cabinet waste gas purification apparatus no-load running 30min.In order to ensure
Active carbon filler is good to the adsorption effect of waste gas, during the first time recycling of active carbon filler 10, the work of exhaust fan 3
Stop after making 800h；During second recycles, stop after the work of exhaust fan 3 600h；Third time recycles process
In, stop after the work of exhaust fan 3 500h；During 4th time recycles, stop after the work of exhaust fan 3 400h；5th
During secondary recycling, stop after the work of exhaust fan 3 300h.
During a kind of vent cabinet cleaning equipment for waste organic gas work of the present invention, exhaust fan 3 is by vent cabinet waste gas through ventilation
Cabinet exhaust duct 6 sucks the upper connecting tube of reducing Five-way tube 5, then respectively enters corresponding four from four lower linking tubes of reducing Five-way tube 5
Root air draft down pipe 11, waste gas enters the Ji Feng areas 8a of waste collection bucket 8 through union elbow 12 again, by porous supporting plate 9
Hole enter inside purification tank body 4, attached aromatics in waste gas, alcohols, the impurity such as lipid, purification are fallen in the absorption of active carbon filler 10
Gas afterwards is discharged by external air exhausting tube 1；Exhaust fan 3 is stopped, and steam generator 15 produces steam and entered by steam
Tracheae 14 and steam gas distribution pipe 13 enter 10 layers of active carbon filler, the heating of Activated carbon filling material 10 of steam, improve adsorption molecule
Mean kinetic energy, adsorption molecule departs from activated carbon surface, and caused waste liquid passes through porous supporting plate 9 and enters waste collection bucket 8
In, then the generation of air-heater 17 hot blast enters Ji Fengqu through hot blast air inlet pipe 16, and hot blast passes through the circular hole on porous supporting plate 9
21st, the passage 22 on raised line 20 enters back into 9 layers of active carbon filler and dried, vent cabinet waste gas purification apparatus no-load running
The regeneration of activated carbon is completed after 30min；After ensureing that purification efficiency, active carbon filler recycle 5 times, it is necessary to change.
Regeneration activity carbon filling material can recycle five times, reduce and change number and operating cost, greatly reduce net
Chemical conversion originally, will purify tank body and the interdependent arrangement of vent cabinet, shorten the duct length for collecting vent cabinet waste gas, and waste gas, which enters, to be purified
Tank body can discharge nearby after active carbon filler purifies, and reduce fan energy consumption and piping cost.The present apparatus adapts to test
The features such as room waste gas discharge species is more, change in concentration is big, intermittent operation, and mutually match with vent cabinet, do not change laboratory
Existing arrangement.
It is a kind of circuit controller of the regeneration method of active carbon of vent cabinet cleaning equipment for waste organic gas such as Fig. 7 and 8, bag
Include：
Power module, for providing the work electricity of MCU Microprocessor Control Unit, steam generator, air-heater and exhaust fan
Pressure；
Time detecting module, for detecting steam generator, air-heater and the working time of exhaust fan；
Steam generator control module, for controlling the working condition of steam generator；
Air-heater control module, for controlling the working condition of air-heater；
Exhaust fan control module, for controlling the working condition of exhaust fan；
MCU Microprocessor Control Unit, for controlling steam generator control module, air-heater control module and exhaust fan
The working condition of control module；
When circuit controller works, MCU Microprocessor Control Unit sends working signal to exhaust fan control module, at that time
Between detection module when to measure the working time T of exhaust fan be 200-900h, MCU Microprocessor Control Unit controls to exhaust fan
Module sends silence signal, and sends working signal to steam generator control module；When time detection module measures steaming
When the working time A of vapour generator is 20-40min, MCU Microprocessor Control Unit sends stopping to steam generator control module
Working signal, and send working signal to air-heater control module；The working time B that air-heater is measured when time detection module is
During 50-70min, MCU Microprocessor Control Unit sends silence signal to air-heater control module, and is controlled to exhaust fan
Module sends unloaded operation signal, micro- when the unloaded operation time C that time detection module measures exhaust fan is 25-35min
Processor control unit sends working signal to exhaust fan control module；Repeat circulation said process 4 times.Exhaust fan
Working time T1For 800h, T in first time cyclic process2For 600h, T in second of cyclic process3For 500h, third time circulates
During T4For 400h, T in the 4th cyclic process5For 300h.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour can makes one to some of which technical characteristic
A little to replace and deform, these are replaced and deformation is within the scope of the present invention.
Claims (9)
1. a kind of vent cabinet cleaning equipment for waste organic gas, including active carbon filler and the exhaust system that is connected with vent cabinet, institute
The external air exhausting tube that exhaust system includes being fixedly mounted on exterior wall is stated, outer air draft is correspondingly installed at the air outlet of external air exhausting tube
Machine, it is characterised in that：Be additionally provided with upright purification tank body between the external air exhausting tube and vent cabinet, the external air exhausting tube it is another
One end is connected with purifying the top of tank body, purifies and reducing Five-way tube is correspondingly provided with above tank body, the reducing Five-way tube bag
A upper connecting tube and four lower linking tubes that Open Side Down are included, the upper connecting tube of reducing Five-way tube is through vent cabinet exhaust duct and vent cabinet phase
Connection, four lower linking tubes of reducing Five-way tube are corresponding to be connected with air draft down pipe, and the purification tank body lower part is fixedly connected with
The waste collection bucket being connected as a single entity with tank body, purify and separated between tank body and waste collection bucket through porous supporting plate, the activity
Carbon filling material is deposited in purification tank interior through porous supporting plate, and the lower end of the air draft down pipe is through union elbow and waste collection
The Ji Fengqu of bucket inner side is connected；If vertically-mounted on the porous supporting plate have dry saturated steam gas distribution pipe, every steam gas distribution pipe
Upper end be embedded in active carbon filler, lower end is connected with the steam inlet duct being horizontally set in waste collection bucket, steam
The air inlet of air inlet pipe is connected through steam motor-driven valve with steam generator, and the waste collection bucket Nei Jifeng areas are entered with hot blast
Tracheae is connected, and the air inlet of hot blast air inlet pipe is connected through hot blast motor-driven valve with air-heater, the upside of the porous supporting plate
Hollow cuboid raised line of the 8-10 roots by uniform intervals spread configuration is fixedly welded with, the width of every raised line is 25-35mm, convex
The height of bar is 45-55mm, adjacent raised line at intervals of 75-85mm；Hole on porous supporting plate is to be set by uniform intervals arrangement
Some rectangle passages every raised line both sides are put, the width of rectangle passage is 1.5-2.5mm, is highly 35-45mm, phase
The spacing of adjacent passage is 7-9mm, and the surface of the porous supporting plate is simultaneously equipped with some straight below every raised line
Footpath is 15-25mm circular hole, and the adjacent circular holes below every raised line are set by 45-55mm interval equidistant arrangement, the waste liquid
The Ji Fengqu of collection bucket is connected through the circular hole with passage with purification tank interior.
A kind of 2. vent cabinet cleaning equipment for waste organic gas according to claim 1, it is characterised in that：The raised line is provided with
9, the width of raised line is 30mm, and the height of raised line is 50mm, adjacent raised line at intervals of 80mm；The width of the passage is
2mm, it is highly 40mm, the spacing of adjacent vent holes is 8mm, a diameter of 20mm of the circular hole, and the spacing of adjacent circular holes is
50mm。
A kind of 3. vent cabinet cleaning equipment for waste organic gas according to claim 2, it is characterised in that：The purification pot side
The upper and lower part of wall is respectively equipped with filler charging aperture and filler discharging opening.
A kind of 4. vent cabinet cleaning equipment for waste organic gas according to claim 3, it is characterised in that：The active carbon filler
The height of layer is arranged to 550-650mm, purifies tank interior and the upper horizontal positioned at active carbon filler is provided with screen pack, filter
Net is arranged on the top of filler charging aperture.
A kind of 5. vent cabinet cleaning equipment for waste organic gas according to claim 4, it is characterised in that：The steam gas distribution pipe
It is provided with 9, steam gas distribution pipe circumferentially uniform spread configuration.
A kind of 6. regenerating active carbon side of vent cabinet cleaning equipment for waste organic gas according to claim 1-5 any one
Method, it is characterised in that comprise the following steps：
The active carbon filler finished changing is recycled several times, each recycling process of active carbon filler is including as follows
Step：
Stop after the exhaust fan work 200-900h, steam generator work is passed through 170-190 DEG C of steam 20-40min
After stop, air-heater work be passed through 130-150 DEG C of hot blast 50-70min after stop, vent cabinet waste gas purification apparatus no-load running
25-35min。
7. a kind of regeneration method of active carbon of vent cabinet cleaning equipment for waste organic gas according to claim 6, its feature exist
In：The active carbon filler recycle five times, and during recycling every time, steam generator work is passed through 180 DEG C
Steam 30min after stop, air-heater work stops after being passed through 140 DEG C of hot blast 60min, and vent cabinet waste gas purification apparatus is unloaded
Run 30min.
8. a kind of regeneration method of active carbon of vent cabinet cleaning equipment for waste organic gas according to claim 7, its feature exist
In：During the first time of the active carbon filler recycles, stop after exhaust fan work 700-900h；Second of circulation
During use, stop after exhaust fan work 500-700h；During third time recycles, exhaust fan work 400-
Stop after 600h；During 4th time recycles, stop after exhaust fan work 300-500h；5th recycling process
In, stop after exhaust fan work 200-400h.
A kind of 9. circuit control of the regeneration method of active carbon of vent cabinet cleaning equipment for waste organic gas according to claim 6
Device, it is characterised in that including：
Power module, for providing MCU Microprocessor Control Unit, steam generator, air-heater and the operating voltage of exhaust fan；
Time detecting module, for detecting steam generator, air-heater and the working time of exhaust fan；
Steam generator control module, for controlling the working condition of steam generator；
Air-heater control module, for controlling the working condition of air-heater；
Exhaust fan control module, for controlling the working condition of exhaust fan；
MCU Microprocessor Control Unit, for controlling steam generator control module, air-heater control module and exhaust fan control
The working condition of module；
When circuit controller works, MCU Microprocessor Control Unit sends working signal to exhaust fan control module, is examined when the time
When the working time that survey module measures exhaust fan is 200-900h, MCU Microprocessor Control Unit is sent out to exhaust fan control module
Go out silence signal, and working signal is sent to steam generator control module；When time detection module measures steam generation
When the working time of device is 20-40min, MCU Microprocessor Control Unit sends the letter that is stopped to steam generator control module
Number, and send working signal to air-heater control module；It is 50- when the working time that time detection module measures air-heater
During 70min, MCU Microprocessor Control Unit sends silence signal to air-heater control module, and to exhaust fan control module
Unloaded operation signal is sent, when the unloaded operation time that time detection module measures exhaust fan is 25-35min, microprocessor
Machine control unit sends working signal to exhaust fan control module；Repetitive cycling said process 4-6 times.
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| CN201510959611.3A CN105477976B8 (en) | 2015-12-21 | 2015-12-21 | Fume hood organic waste gas purification device, activated carbon regeneration method and circuit controller |
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| CN105477976A CN105477976A (en) | 2016-04-13 |
| CN105477976B true CN105477976B (en) | 2018-01-12 |
| CN105477976B8 CN105477976B8 (en) | 2019-12-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105921480B (en) * | 2016-07-04 | 2017-12-15 | 李丹 | The device of vent cabinet environmental purification |
| CN106422727A (en) * | 2016-11-22 | 2017-02-22 | 扬州大学 | Full-automatic purification device for laboratory acid mist exhaust gas |
| CN108543797A (en) * | 2018-06-19 | 2018-09-18 | 中绿能汉郁（天津）科技有限公司 | A kind of novel vent cabinet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04145920A (en) * | 1990-10-08 | 1992-05-19 | Mitsubishi Heavy Ind Ltd | Method and apparatus for recovering solvent |
| CN2104716U (en) * | 1991-08-03 | 1992-05-20 | 北京市劳动保护科学研究所 | Purification exhaust case |
| CN103120882A (en) * | 2013-03-06 | 2013-05-29 | 江南大学 | Automatic control method for cycling operation of organic waste gas recovery adsorption tank |
| CN203380177U (en) * | 2013-07-03 | 2014-01-08 | 大连北方成套教学设备有限公司 | Multi-functional fume cupboard with waste gas purification device |
| CN205252832U (en) * | 2015-12-21 | 2016-05-25 | 扬州天辉钢木制品工程有限公司 | Fume chamber organic waste gas purifier |
-
2015
- 2015-12-21 CN CN201510959611.3A patent/CN105477976B8/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04145920A (en) * | 1990-10-08 | 1992-05-19 | Mitsubishi Heavy Ind Ltd | Method and apparatus for recovering solvent |
| CN2104716U (en) * | 1991-08-03 | 1992-05-20 | 北京市劳动保护科学研究所 | Purification exhaust case |
| CN103120882A (en) * | 2013-03-06 | 2013-05-29 | 江南大学 | Automatic control method for cycling operation of organic waste gas recovery adsorption tank |
| CN203380177U (en) * | 2013-07-03 | 2014-01-08 | 大连北方成套教学设备有限公司 | Multi-functional fume cupboard with waste gas purification device |
| CN205252832U (en) * | 2015-12-21 | 2016-05-25 | 扬州天辉钢木制品工程有限公司 | Fume chamber organic waste gas purifier |
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| CN105477976B8 (en) | 2019-12-27 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 225000 Jiangsu Province Economic Development Zone Yangzhou City Shiqiao Industrial Park Shi Sha Lu No. 52 Applicant after: Yangzhou Tian Hui experimental equipment Environmental Protection Engineering Co., Ltd. Applicant after: Yangzhou University Address before: 225000 Jiangsu Province Economic Development Zone Yangzhou City Shiqiao Industrial Park Shi Sha Lu No. 52 Applicant before: YANGZHOU TIANHUI STEEL & WOOD PRODUCTS ENGINEERING CO., LTD. Applicant before: Yangzhou University |
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| CB02 | Change of applicant information | ||
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| CI03 | Correction of invention patent |
Correction item: Patentee|Address|Patentee Correct: Yangzhou Tian Tian laboratory equipment Environmental Protection Engineering Co., Ltd.|225000 Jiangsu Province Economic Development Zone Yangzhou City Shiqiao Industrial Park Shi Sha Lu No. 52|yangzhou university False: Yangzhou Tian Hui experimental equipment Environmental Protection Engineering Co., Ltd.|225000 Jiangsu Province Economic Development Zone Yangzhou City Shiqiao Industrial Park Shi Sha Lu No. 52|yangzhou university Number: 50-02 Volume: 33 |
|
| CI03 | Correction of invention patent | ||
| CI03 | Correction of invention patent |
Correction item: Patentee|Address|Patentee Correct: Yangzhou Tian Tian laboratory equipment Environmental Protection Engineering Co., Ltd.|225000 Jiangsu Province Economic Development Zone Yangzhou City Shiqiao Industrial Park Shi Sha Lu No. 52|yangzhou university False: Yangzhou Tian Hui experimental equipment Environmental Protection Engineering Co., Ltd.|225000 Jiangsu Province Economic Development Zone Yangzhou City Shiqiao Industrial Park Shi Sha Lu No. 52|yangzhou university Number: 02-02 Page: The title page Volume: 34 Correction item: Patentee|Address|Patentee Correct: Yangzhou Tian Tian laboratory equipment Environmental Protection Engineering Co., Ltd.|225000 Jiangsu Province Economic Development Zone Yangzhou City Shiqiao Industrial Park Shi Sha Lu No. 52|yangzhou university False: Yangzhou Tian Hui experimental equipment Environmental Protection Engineering Co., Ltd.|225000 Jiangsu Province Economic Development Zone Yangzhou City Shiqiao Industrial Park Shi Sha Lu No. 52|yangzhou university Volume: 34 |
|
| CI03 | Correction of invention patent |