CN113664013B - Sand box flue gas trapping treatment method - Google Patents
Sand box flue gas trapping treatment method Download PDFInfo
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- CN113664013B CN113664013B CN202111141496.0A CN202111141496A CN113664013B CN 113664013 B CN113664013 B CN 113664013B CN 202111141496 A CN202111141496 A CN 202111141496A CN 113664013 B CN113664013 B CN 113664013B
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- sand box
- air
- cover
- fan
- dust remover
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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
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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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
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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
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a sand box flue gas trapping treatment method which is realized by an integral movable sand box flue gas trapping treatment device comprising a trapping cover, a fan, a dust remover and a VOCs adsorption box, and comprises the following steps: (1) moving the collecting cover to one side of the sand box, carrying out sand box pouring (2), quickly moving the collecting cover to the upper part of the sand box after the sand box pouring is finished (3), starting a fan, enabling the smoke of the sand box to enter the collecting cover, enter an air return pipeline from an air return opening, enter the fan through an inlet pipe, enabling a part of air flow to enter a circulating air pipeline through a first branch pipe at an outlet of the fan, and spraying outwards through a nozzle to form cover top attached jet flow; meanwhile, the other part of airflow enters a dust remover for dust removal through a second branch pipe at the outlet of the fan, then enters the VOCs adsorption box, and is purified and then emptied after reaching the standard in a workshop. The invention can be quickly positioned, cover the sand box in time and catch the smoke generated by the sand box, thereby avoiding the escape of harmful smoke; the ventilation volume is small, the operation management is simple, the air exhaust energy consumption can be reduced, and the heating energy consumption of a workshop is reduced.
Description
Technical Field
The invention relates to the technical field of sand box flue gas capture and purification, in particular to a sand box flue gas capture treatment method.
Background
The floor casting and pit casting processes are the main process forms of the foundry industry. A large amount of smoke is generated after ground pouring and/or pit pouring processes are carried out in casting production, and is directly diffused into a workshop, so that the workshop environment is greatly influenced. Contain dust, VOCs etc. in the casting back high temperature flue gas of pouring, if do not handle, will cause great occupational hazard to workshop staff's health, outside it spills over the workshop, still can cause the pollution to the atmospheric environment. In order to improve the situation, the trapping cover is mostly installed above the sand box by adopting a hoisting mode at present, and the trapped flue gas is conveyed to the outside of a workshop through a pipeline and is discharged after being dedusted by a deduster. The trapping cover needs to be hoisted by a crane, so that the installation time is long, the efficiency is low, and a large amount of escaping smoke exists; secondly, the air volume is large, the equipment investment and the operation cost are high, and VOCs cannot be effectively treated; and thirdly, in cold and severe cold areas, a large amount of indoor air is discharged to the outdoor, so that heating energy consumption is increased.
Disclosure of Invention
In order to solve the problems, the invention provides a sand box flue gas trapping treatment method, which can specifically adopt the following technical scheme:
the sand box flue gas trapping treatment method is realized by the integral movable sand box flue gas trapping treatment device,
the whole movable type sand box flue gas trapping and processing device comprises:
the collecting cover is arranged on the rails on two sides of the sand box in a sliding mode, the top of the collecting cover is provided with an air return pipeline and a circulating air pipeline, the air return pipeline is provided with an air return opening, the circulating air pipeline is provided with a nozzle, and the air return opening and the nozzle are arranged oppositely;
the air blower is arranged outside the trapping cover, an inlet pipe of the air blower is connected with an outlet of the return air pipeline, an outlet pipe of the air blower is communicated with a first branch pipe and a second branch pipe, and the first branch pipe is connected with an inlet of the circulating air pipeline;
the dust remover is arranged on one side of the fan, and an inlet pipe of the dust remover is communicated with the second branch pipe;
the VOCs adsorption box is arranged on one side of the dust remover, and an inlet pipe of the VOCs adsorption box is communicated with an outlet of the dust remover;
the trapping treatment method includes the steps of:
firstly, moving a trapping cover to one side of a sand box for casting the sand box;
secondly, after the casting of the sand box is finished, quickly moving the trapping cover to the upper part of the sand box;
thirdly, starting a fan to enable the smoke of the sand box to enter the capturing cover, enter the air return pipeline from the air return opening and then enter the fan through the inlet pipe, and enable a part of air flow to enter the circulating air pipeline through a first branch pipe at the outlet of the fan and be sprayed outwards through a nozzle to form cover top attached jet flow; meanwhile, the other part of the air flow enters the dust remover for dust removal through a second branch pipe at the outlet of the fan, then enters the VOCs adsorption box, and is purified and then emptied after reaching the standard in a workshop.
The top of the trapping cover is obliquely and upwards arranged from the nozzle to the air return inlet, and the nozzle is obliquely and upwards arranged to form cover top attached jet flow.
The track is arranged from the nozzle to the direction of the air return inlet, and the bottom of the trapping cover is provided with a driving wheel matched with the track.
An inductor is arranged on the trapping cover and controls the start and stop of the driving wheel through a single chip microcomputer.
An air compressor is further arranged on the outer side of the trapping cover, a compressed air bag is arranged on an outlet pipe of the air compressor, and the compressed air bag is communicated with a nozzle of the dust remover through a pipeline.
VOCs adsorption tank and dust remover's outer wall swing joint, and the import pipe of VOCs adsorption tank passes through quick-operation joint with the dust remover and links to each other.
And a saturation alarm mechanism is arranged on the VOCs adsorption box.
The open end of the trapping cover is provided with a soft curtain.
According to the sand box flue gas trapping treatment method, the integrated integral movable sand box flue gas trapping treatment device capable of integrally completing flue gas trapping, dust removal and VOCs treatment is adopted, so that the discharged flue gas reaches the indoor discharge standard, and the pollution to the environment and the damage to the health of people are reduced; the device can be quickly placed in place, cover the sand box in time and capture the smoke generated by the sand box, so that the harmful smoke is prevented from escaping; the ventilation volume is small, the operation management is simple, the air exhaust energy consumption can be reduced, and the heating energy consumption of a workshop is reduced.
Drawings
FIG. 1 is a schematic structural view of the integrated portable flask flue gas trapping treatment device of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a right side view of fig. 1.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and give detailed implementation manners and specific working procedures, but the scope of the present invention is not limited to the following embodiments.
The method for collecting and treating the smoke of the sand box is realized by the integrated movable sand box smoke collecting and treating device shown in figures 1-3.
The integrated movable type sand box smoke trapping and treating device can freely move along rails on two sides of a sand box and comprises a trapping cover 1, wherein rollers are arranged at the bottom of the trapping cover 1, and one or more of the rollers are driving wheels 101; the top of the collecting cover 1 is arranged from one end to the other end in an inclined upward manner along the track direction, the higher end of the collecting cover is provided with a return air pipeline 102, the lower end of the collecting cover is provided with a circulating air pipeline 103, the return air pipeline 102 is provided with an air return opening 104, a nozzle 105 opposite to the air return opening 104 is arranged on the circulating air pipeline 103, and the nozzles 105 are arranged in an inclined upward manner and used for forming cover top attached jet flow. One end of the collecting cover 1 close to the circulating air duct 103 is a door-shaped opening, a soft curtain for preventing the flue gas from escaping is arranged on the collecting cover 1, and correspondingly, one end of the collecting cover 1 close to the return air duct 102 is blocked by a side wall. The side wall is provided with a fan 2, a dust collector 3, a VOCs adsorption tank 4, an air compressor 501, and a compressed air bag 502, which are all synchronously movable with the capture hood 1. The inlet pipe 201 of the fan 2 is connected with the outlet of the return air duct 102, the outlet pipe of the fan 2 is communicated with a first branch pipe 202 and a second branch pipe 203, the first branch pipe 202 is connected with the inlet of the circulating air duct 103, the second branch pipe 203 is communicated with the inlet pipe of the dust remover 3, and the outlet pipe of the dust remover 3 is communicated with the inlet pipe of the VOCs adsorption tank 4.
A compressed air bag 502 for storing compressed air is mounted on the outlet pipe of the air compressor 501, and the compressed air bag 503 is communicated with compressed air nozzles 503 arranged in rows on the dust remover 3 through a pipeline for removing dust deposited on the dust remover 3.
Above-mentioned VOCs adsorption tank 4 and dust remover 3's outer wall swing joint, and the import pipe of VOCs adsorption tank 4 links to each other through the quick-operation joint with dust remover 3, can conveniently take off VOCs adsorption tank 4 is whole, changes maintenance work such as filter core. Further, install saturation alarm mechanism on VOCs adsorption tanks 4, can remind operating personnel to filter the core change in time.
In order to prevent the capture cover 1 from collision accidents in the moving process, a sensor is arranged on the capture cover, and when the sensor detects that an obstacle exists in front of the capture cover, a signal is sent to the single chip microcomputer to enable the single chip microcomputer to control the driving wheel 101 to stop moving.
The trapping treatment method of the present invention includes the steps of:
firstly, moving the collecting cover 1 to one side of a sand box for casting the sand box;
secondly, after the casting of the sand box is finished, the collecting cover 1 is quickly moved to the upper part of the sand box;
thirdly, starting a fan 2 to enable the sand box smoke to enter a trapping cover 1 under the action of hot pressing and be trapped, enabling the sand box smoke to enter a return air pipeline 102 from a return air inlet 104, then entering the fan 2 through an inlet pipe 201, dividing the sand box smoke into two air flows at an outlet of the fan 2, enabling one air flow to enter a circulating air pipeline 103 through a first branch pipe 202, and spraying the air flow outwards through a nozzle 105 to form cover top attached jet flow which can accelerate the speed of the sand box smoke entering the return air inlet 104 and prevent the smoke from escaping; and the other part of the air flow at the outlet of the fan 2 enters the dust remover 3 for dust removal through the second branch pipe 203, then enters the VOCs adsorption box 4, and is purified and then discharged in the workshop after reaching the standard.
It should be noted that in the description of the present invention, terms such as "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (6)
1. The utility model provides a sand box flue gas entrapment processing method, realizes through whole portable sand box flue gas entrapment processing apparatus which characterized in that:
the whole portable sand box flue gas entrapment processing apparatus includes:
the collecting cover is arranged on the rails on two sides of the sand box in a sliding mode, the top of the collecting cover is provided with an air return pipeline and a circulating air pipeline, the air return pipeline is provided with an air return opening, the circulating air pipeline is provided with a nozzle, and the air return opening and the nozzle are arranged oppositely; a soft curtain is arranged at the opening end of the trapping cover;
the air blower is arranged outside the trapping cover, an inlet pipe of the air blower is connected with an outlet of the return air pipeline, an outlet pipe of the air blower is communicated with a first branch pipe and a second branch pipe, and the first branch pipe is connected with an inlet of the circulating air pipeline;
the dust remover is arranged on one side of the fan, and an inlet pipe of the dust remover is communicated with the second branch pipe;
the VOCs adsorption box is arranged on one side of the dust remover, and an inlet pipe of the VOCs adsorption box is communicated with an outlet of the dust remover; the VOCs adsorption tank is movably connected with the outer wall of the dust remover, and an inlet pipe of the VOCs adsorption tank is connected with the dust remover through a quick connector;
the trapping treatment method includes the steps of:
firstly, moving a trapping cover to one side of a sand box, and pouring the sand box;
secondly, after the casting of the sand box is finished, quickly moving the trapping cover to the upper part of the sand box;
thirdly, starting a fan, enabling the smoke of the sand box to enter the capture hood, enter the air return pipeline from the air return port, enter the fan through the inlet pipe, enable a part of air flow to enter the circulating air pipeline through the first branch pipe at the outlet of the fan, and enable the air flow to be sprayed outwards through the nozzle to form hood top attached jet flow; meanwhile, the other part of the air flow enters the dust remover for dust removal through a second branch pipe at the outlet of the fan, then enters the VOCs adsorption box, and is purified and then emptied after reaching the standard in a workshop.
2. The method for capturing and treating the smoke in the sand box according to claim 1, wherein: the top of the trapping cover is obliquely and upwards arranged from the nozzle to the direction of the air return opening, and the nozzle is obliquely and upwards arranged to form cover top attached jet flow.
3. The smoke trapping and treating method for the sand box according to claim 1, characterized in that: the track is arranged from the nozzle to the direction of the air return inlet, and the bottom of the trapping cover is provided with a driving wheel matched with the track.
4. The method for capturing and treating the smoke in the sand box according to claim 3, wherein: an inductor is arranged on the trapping cover and controls the start and stop of the driving wheel through a single chip microcomputer.
5. The method for capturing and treating the smoke in the sand box according to claim 1, wherein: an air compressor is further arranged on the outer side of the trapping cover, a compressed air bag is arranged on an outlet pipe of the air compressor, and the compressed air bag is communicated with a nozzle of the dust remover through a pipeline.
6. The method for capturing and treating the smoke in the sand box according to claim 1, wherein: and a saturation alarm mechanism is arranged on the VOCs adsorption box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111141496.0A CN113664013B (en) | 2021-09-28 | 2021-09-28 | Sand box flue gas trapping treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111141496.0A CN113664013B (en) | 2021-09-28 | 2021-09-28 | Sand box flue gas trapping treatment method |
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| Publication Number | Publication Date |
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| CN113664013A CN113664013A (en) | 2021-11-19 |
| CN113664013B true CN113664013B (en) | 2022-11-18 |
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| CN202111141496.0A Active CN113664013B (en) | 2021-09-28 | 2021-09-28 | Sand box flue gas trapping treatment method |
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| CN114618856A (en) * | 2022-03-25 | 2022-06-14 | 机械工业第六设计研究院有限公司 | Smoke trapping and purifying method for large casting cutting dead head |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2244541Y (en) * | 1995-11-16 | 1997-01-08 | 杭州制氧机集团公司 | Redusting hood with gas curtain type closed face |
| JP2909460B1 (en) * | 1998-05-28 | 1999-06-23 | 株式会社赤松電機製作所 | Dust collection method around equipment and its device |
| CN202044869U (en) * | 2011-04-02 | 2011-11-23 | 凯天环保科技股份有限公司 | Movable welding fume purifier |
| CN203018728U (en) * | 2013-01-07 | 2013-06-26 | 河南省四达仙龙实业有限公司 | Dustproof device for vibrating shakeout machine |
| CN203184316U (en) * | 2013-03-12 | 2013-09-11 | 凯天环保科技股份有限公司 | Fixed-point pouring blowing-suction type smoke extraction hood |
| CN103981325B (en) * | 2014-05-06 | 2015-11-11 | 中冶南方工程技术有限公司 | Blowing and drawing type converter secondary flue gas capturing device |
| CN204747035U (en) * | 2015-01-22 | 2015-11-11 | 黄孝华 | Dirty workstation of unilateral air curtain formula accuse |
| CN205254026U (en) * | 2015-12-10 | 2016-05-25 | 机械工业第四设计研究院有限公司 | Sand reclamation uses powerful dust shaker |
| CN105999939A (en) * | 2016-05-15 | 2016-10-12 | 徐皓 | Pipelined forge piece grinding dust removing device and designing method |
| CN209084996U (en) * | 2018-11-05 | 2019-07-09 | 威尔登环保设备（长沙）有限公司 | A kind of blowing and drawing type weldering dust collection system being adjustable room temperature and humidity |
| CN209501169U (en) * | 2019-01-24 | 2019-10-18 | 福建铁拓机械有限公司 | A kind of bituminous mixing plant entrucking area exhaust gas dust processing system |
| CN211676902U (en) * | 2020-02-03 | 2020-10-16 | 中宇重科(北京)科技发展有限公司 | Portable dust absorption bell-type station dust collector |
| CN212492298U (en) * | 2020-06-18 | 2021-02-09 | 青岛轮云设计研究院有限责任公司 | Casting cooling waste gas treatment system of casting shop |
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