CN219481967U - Chemistry experiment exhaust treatment device - Google Patents
Chemistry experiment exhaust treatment device Download PDFInfo
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- CN219481967U CN219481967U CN202320705308.0U CN202320705308U CN219481967U CN 219481967 U CN219481967 U CN 219481967U CN 202320705308 U CN202320705308 U CN 202320705308U CN 219481967 U CN219481967 U CN 219481967U
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Abstract
The utility model relates to the technical field of waste gas treatment, in particular to a chemical experiment waste gas treatment device, which comprises: the purifying device comprises a purifying cylinder, wherein an air inlet pipe is fixedly inserted into the outer wall of one side of the purifying cylinder, a purifying component is installed in the purifying cylinder, and the purifying component comprises a fan fixedly installed in the air inlet pipe; the filter plate is inserted into the purifying cylinder in a sliding way, and the circumferential outer wall of the filter plate is attached to the inner wall of the purifying cylinder; the utility model can filter waste gas once before the waste gas is filtered by the active carbon plate by arranging the purification component, thereby avoiding the problem that solid particles contained in the waste gas block active carbon pores and prolonging the service life of the active carbon plate.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a chemical experiment waste gas treatment device.
Background
The exhaust gases generated in the laboratory, particularly the volatile substances, intermediates and other gases generated in the chemical laboratory during the process of using various reagents and samples, are of a large variety and complex, and if the gases are directly discharged to the outside, the air quality of the outside is affected.
Through retrieving, chinese patent publication No. CN212663121U discloses a chemistry experiment exhaust-gas treatment device, including the main casing, main casing bottom is connected with the outlet duct, placed the case in the main casing, a plurality of air vents have been seted up to the case bottom, the case memory has the active carbon, the main casing upper cover is equipped with the apron, apron and main casing contact department are fixed with sealed the pad, the apron top is connected with the intake pipe, be connected through stop gear between apron both sides and the main casing, be connected through slide mechanism between apron other both sides and the main casing.
The waste gas in the device enters through the air inlet pipe and then directly passes through the activated carbon to adsorb harmful gas, however, the waste gas is inevitably provided with flue gas composed of small particle solids, the small particles can generate the problem of blocking the pores of the activated carbon along with the increase of time, and the purifying effect is correspondingly reduced.
Disclosure of Invention
The utility model aims to provide a chemical experiment waste gas treatment device which is used for solving the problems in the background technology.
The technical scheme of the utility model is as follows: the utility model provides a chemistry experiment exhaust treatment device which characterized in that: the chemical experiment waste gas treatment device is provided with a purification cylinder, and an air inlet pipe is fixedly inserted on the outer wall of one side of the purification cylinder; an air outlet pipe is fixedly inserted into the outer wall of the other side of the purifying cylinder, and a leakage-proof assembly is arranged on the air outlet pipe; the purifying cylinder is internally provided with a filter plate for intercepting solid particles and dispersing gas after intercepting the solid particles, the filter plate is inserted into the purifying cylinder in a sliding manner, and the outer wall of the filter plate is attached to the inner wall of the purifying cylinder; a fan for filtering the waste gas is arranged between the filter plate and the air inlet pipe; the fan is positioned in the purifying cylinder; the purifying cylinder is also provided with an active carbon plate which is inserted in the purifying cylinder in a sliding way; the outer wall of the activated carbon plate is attached to the inner wall of the purifying cylinder; the active carbon plate and the fan are respectively arranged at two sides of the filter plate; a dredging component is arranged between the fan and the filter plate.
Preferably, the dredging component comprises a fixed plate fixedly connected with the circumferential inner wall of the purifying cylinder, a rotating shaft is rotatably connected to the fixed plate, an impeller is coaxially fixed at one end, close to the fan, of the rotating shaft, a brush is coaxially fixed at the other end of the rotating shaft, and bristles on the brush are in contact with the filter plate.
Preferably, an air outlet pipe is fixedly inserted on the outer wall of the other side of the purifying cylinder, and a leakage-proof assembly is arranged on the air outlet pipe.
Preferably, the leakage-proof assembly comprises a connecting pipe fixedly inserted on the circumferential outer wall of the air outlet pipe, one end of the connecting pipe is fixedly inserted on the air inlet pipe, an electromagnetic valve is arranged at one end, close to the outside, of the air outlet pipe and the inside of the connecting pipe, a gas concentration sensor is fixedly arranged on the air outlet pipe, a PLC (programmable logic controller) is arranged in the purifying cylinder, and the PLC is electrically connected with the two electromagnetic valves and the gas concentration sensor through wires.
Preferably, an alarm is fixedly arranged on the outer wall of one side of the purifying cylinder, and the PLC is electrically connected with the alarm through a wire.
Preferably, the filter plate and the activated carbon plate are both fixed on the purifying cylinder through bolts and nuts.
Compared with the prior art, the utility model provides the chemical experiment waste gas treatment device by improvement, which has the following improvements and advantages:
the method comprises the following steps: according to the utility model, the purification assembly is arranged, so that the waste gas can be filtered once before being filtered by the active carbon plate, the problem that solid particles contained in the waste gas block the active carbon holes is avoided, the service life of the active carbon plate is longer, the fan is started to actively draw out external harmful gases into the purification cylinder, the gases are firstly blocked by the filter plate, solid particles can be intercepted, the residual gases can be uniformly dispersed after passing through the filter plate, the active carbon plate at the back can be comprehensively utilized, the harmful gases contained in the waste gas can be adsorbed, harmless other gases can flow to the outside from the air outlet pipe, the air flow generated by the fan during operation can drive the impeller to rotate, the impeller can drive the hairbrush to synchronously rotate, the solid particles blocked from the filter plate can be cleaned by the hairbrush, the filter plate can be kept in a smooth state, and the filtering effect can not be influenced by the blocking of the particles;
and two,: according to the utility model, the leakage-proof assembly is arranged, if harmful gas cannot be completely absorbed after the waste gas is adsorbed by the activated carbon plate, the gas concentration sensor can monitor abnormality, the gas concentration sensor transmits a signal to the PLC, the PLC can control the electromagnetic valve in the air outlet pipe to be closed and the electromagnetic valve in the connecting pipe to be opened, and at the moment, the waste gas can form circulation in the purifying cylinder and the connecting pipe, so that the harmful gas can be prevented from being released to the outside.
Drawings
FIG. 1 is a schematic overall perspective view of the present utility model;
FIG. 2 is a schematic view of a first perspective view of the interior of the purification cartridge of the present utility model;
FIG. 3 is a schematic view of a second perspective view of the interior of the purification cartridge of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
Reference numerals illustrate:
1. a purifying cylinder; 2. an air inlet pipe; 3. an air outlet pipe; 4. a purification assembly; 5. a leak prevention assembly; 401. a filter plate; 402. an activated carbon plate; 403. a blower; 404. a fixing plate; 405. a rotating shaft; 406. an impeller; 407. a brush; 501. a gas concentration sensor; 502. an electromagnetic valve; 503. a connecting pipe; 504. an alarm.
Description of the embodiments
The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a chemical experiment waste gas treatment device through improvement, and the technical scheme of the utility model is as follows:
as shown in fig. 1 to 4, an exhaust gas treatment device for chemical experiments comprises:
the purifying device comprises a purifying cylinder 1, wherein an air inlet pipe 2 is fixedly inserted on the outer wall of one side of the purifying cylinder 1, a purifying component 4 is installed inside the purifying cylinder 1, and the purifying component 4 comprises a fan 403 fixedly installed inside the air inlet pipe 2;
the filter plate 401, the filter plate 401 is inserted in the purifying cylinder 1 in a sliding way, and the circumferential outer wall of the filter plate 401 is attached to the inner wall of the purifying cylinder 1;
the active carbon plate 402, the active carbon plate 402 slides and pegs graft inside purifying cartridge 1, and active carbon plate 402 circumference outer wall is laminated mutually with purifying cartridge 1 inner wall, and filter plate 401 is located between fan 403 and the active carbon plate 402, and installs the mediation subassembly between fan 403 and the filter plate 401.
By the above structure or mechanism: the fan 403 is started to actively draw external harmful gases into the purifying cylinder 1, the gases are firstly blocked by the filter plate 401, solid particles are intercepted, the residual gases can be uniformly dispersed after passing through the filter plate 401, the following active carbon plate 402 can be comprehensively utilized, the harmful gases contained in the waste gas can be adsorbed, and harmless other gases can flow to the outside from the air outlet pipe 3.
Further, the dredging assembly comprises a fixed plate 404 fixedly connected to the inner wall of the circumference of the purifying cylinder 1, a rotating shaft 405 is rotatably connected to the fixed plate 404, an impeller 406 is coaxially fixed to one end, close to the fan 403, of the rotating shaft 405, a brush 407 is coaxially fixed to the other end of the rotating shaft 405, and bristles on the brush 407 are in contact with the filter plate 401.
By the above structure or mechanism: the air flow generated by the fan 403 during operation drives the impeller 406 to rotate, and then the impeller 406 drives the brush 407 to synchronously rotate through the rotating shaft 405, and the brush 407 can clean the solid particles blocked off from the filter plate 401, so that the filter plate 401 can be kept in a smooth state, and the filtering effect is not influenced due to the blockage of particles.
Further, an air outlet pipe 3 is fixedly inserted on the outer wall of the other side of the purifying cylinder 1, and a leakage-proof component 5 is arranged on the air outlet pipe 3.
By the above structure or mechanism: the purified gas is discharged into the external space through the gas outlet pipe 3.
Further, the anti-leakage component 5 comprises a connecting pipe 503 fixedly inserted on the circumferential outer wall of the air outlet pipe 3, one end of the connecting pipe 503 is fixedly inserted on the air inlet pipe 2, the electromagnetic valve 502 is installed at one end of the air outlet pipe 3 close to the outside and the inside of the connecting pipe 503, the air outlet pipe 3 is fixedly provided with a gas concentration sensor 501, the inside of the purifying cylinder 1 is provided with a PLC controller, and the PLC controller is electrically connected with the two electromagnetic valves 502 and the gas concentration sensor 501 through wires.
By the above structure or mechanism: if the harmful gas cannot be completely absorbed after the exhaust gas is absorbed by the activated carbon plate 402, the gas concentration sensor 501 will monitor abnormality, the gas concentration sensor 501 transmits a signal to the PLC controller, the PLC controller will control the solenoid valve 502 inside the air outlet pipe 3 to be closed, and control the solenoid valve 502 inside the connection pipe 503 to be opened, and at this time, the exhaust gas will form a cycle inside the purification cartridge 1 and the connection pipe 503, thereby preventing the harmful gas from being released into the outside.
Further, an alarm 504 is fixedly installed on the outer wall of one side of the purifying cylinder 1, and the PLC is electrically connected with the alarm 504 through a wire.
By the above structure or mechanism: the PLC controller controls the alarm 504 to start working, and can remind a worker to replace the activated carbon plate 402 timely.
Further, the filter plate 401 and the activated carbon plate 402 are fixed to the purification cartridge 1 by bolts and nuts.
By the above structure or mechanism: the tightness between the filter plate 401 and the activated carbon plate 402 and the purifying cylinder 1 is also convenient for the disassembly and the assembly of the filter plate 401 and the activated carbon plate 402.
Working principle: firstly, the air inlet pipe 2 is communicated with external gas collecting equipment, then the fan 403 is started to actively draw external harmful gases into the purifying cylinder 1, the gases are firstly blocked by the filter plate 401, solid particles are intercepted, the residual gases can be uniformly dispersed after passing through the filter plate 401, the following active carbon plate 402 can be comprehensively utilized, harmful gases contained in waste gases can be adsorbed, harmless others can circulate to the outside from the air outlet pipe 3, the air flow generated by the fan 403 during operation can drive the impeller 406 to rotate, the impeller 406 can drive the hairbrush 407 to synchronously rotate through the rotating shaft 405, the hairbrush 407 can clean the solid particles blocked on the filter plate 401, make filter plate 401 can keep unobstructed state, can not influence the filter effect because of the particulate matter blocks up, if after the absorption of waste gas through active carbon plate 402, harmful gas can't be absorbed completely, gas concentration sensor 501 will monitor unusual, gas concentration sensor 501 transmission signal gives the PLC controller, the PLC controller then can control the inside solenoid valve 502 of outlet duct 3 and close, and the inside solenoid valve 502 of control connecting pipe 503 opens, waste gas will form the circulation in purifying cylinder 1 and connecting pipe 503 inside this moment, thereby can prevent that harmful gas from releasing to the external in the middle of, alarm 504 also can work simultaneously, can remind the timely change active carbon plate 402 of staff.
Claims (4)
1. The utility model provides a chemistry experiment exhaust treatment device which characterized in that: the chemical experiment waste gas treatment device is provided with a purification cylinder, and an air inlet pipe is fixedly inserted on the outer wall of one side of the purification cylinder; an air outlet pipe is fixedly inserted into the outer wall of the other side of the purifying cylinder, and a leakage-proof assembly is arranged on the air outlet pipe; the purifying cylinder is internally provided with a filter plate for intercepting solid particles and dispersing gas after intercepting the solid particles, the filter plate is inserted into the purifying cylinder in a sliding manner, and the outer wall of the filter plate is attached to the inner wall of the purifying cylinder; a fan for filtering the waste gas is arranged between the filter plate and the air inlet pipe; the fan is positioned in the purifying cylinder; the purifying cylinder is also provided with an active carbon plate which is inserted in the purifying cylinder in a sliding way; the outer wall of the activated carbon plate is attached to the inner wall of the purifying cylinder; the active carbon plate and the fan are respectively arranged at two sides of the filter plate; a dredging component is arranged between the fan and the filter plate.
2. A chemical experiment exhaust gas treatment apparatus according to claim 1, wherein: the dredging component comprises a fixed plate fixedly connected to the circumferential inner wall of the purifying cylinder, a rotating shaft is rotatably connected to the fixed plate, an impeller is coaxially fixed to one end, close to the fan, of the rotating shaft, a hairbrush is coaxially fixed to the other end of the rotating shaft, and bristles on the hairbrush are in contact with the filter plate.
3. A chemical experiment exhaust gas treatment apparatus according to claim 1, wherein: the anti-leakage assembly comprises a connecting pipe fixedly inserted on the circumferential outer wall of the air outlet pipe, one end of the connecting pipe is fixedly inserted on the air inlet pipe, one end, close to the outside, of the air outlet pipe and the inside of the connecting pipe are provided with electromagnetic valves, a gas concentration sensor is fixedly installed on the air outlet pipe, a PLC (programmable logic controller) is installed inside the purifying cylinder, and the PLC is electrically connected with the two electromagnetic valves and the gas concentration sensor through wires.
4. A chemical experiment exhaust gas treatment apparatus according to claim 3, wherein: and an alarm is fixedly arranged on the outer wall of one side of the purifying cylinder, and the PLC is electrically connected with the alarm through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320705308.0U CN219481967U (en) | 2023-04-03 | 2023-04-03 | Chemistry experiment exhaust treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320705308.0U CN219481967U (en) | 2023-04-03 | 2023-04-03 | Chemistry experiment exhaust treatment device |
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| Publication Number | Publication Date |
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| CN219481967U true CN219481967U (en) | 2023-08-08 |
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| CN202320705308.0U Active CN219481967U (en) | 2023-04-03 | 2023-04-03 | Chemistry experiment exhaust treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117214102A (en) * | 2023-11-09 | 2023-12-12 | 中化环境大气治理股份有限公司 | Exhaust gas measuring device and method for supervising exhaust gas treatment condition |
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2023
- 2023-04-03 CN CN202320705308.0U patent/CN219481967U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117214102A (en) * | 2023-11-09 | 2023-12-12 | 中化环境大气治理股份有限公司 | Exhaust gas measuring device and method for supervising exhaust gas treatment condition |
| CN117214102B (en) * | 2023-11-09 | 2024-01-12 | 中化环境大气治理股份有限公司 | Exhaust gas measuring device and method for supervising exhaust gas treatment condition |
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