CN212119577U - Laboratory exhaust treatment device - Google Patents
Laboratory exhaust treatment device Download PDFInfo
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- CN212119577U CN212119577U CN202020422260.9U CN202020422260U CN212119577U CN 212119577 U CN212119577 U CN 212119577U CN 202020422260 U CN202020422260 U CN 202020422260U CN 212119577 U CN212119577 U CN 212119577U
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Abstract
The utility model discloses a laboratory waste gas treatment device, which comprises a gas transmission main pipe and a plurality of gas transmission branch pipes placed in a laboratory, wherein the gas transmission branch pipes are communicated with the gas transmission main pipe, a first negative pressure pump is arranged on the gas transmission main pipe, the other end of the gas transmission main pipe is provided with a spray tower communicated with the gas transmission main pipe, the bottom of the spray tower is provided with a return pipe communicated with the spray tower, the return pipe is provided with a water pump, the other end of the return pipe passes through the top of the spray tower, the end part of the other end of the return pipe is provided with a hose communicated with the return pipe, the hose is provided with a nozzle communicated with the hose, the return pipe is provided with a telescopic mechanism, the telescopic end of the telescopic mechanism is fixedly connected with the nozzle, the spray tower is provided with an exhaust pipe communicated with the spray tower, the other end of the exhaust, the device can effectively remove harmful substances in the waste gas and enhance the removing effect of the harmful substances in the waste gas.
Description
Technical Field
The utility model relates to a waste gas treatment equipment, in particular to laboratory exhaust treatment device.
Background
The currently common waste gas treatment processes include absorption method, adsorption method, photo-oxygen catalytic purification method, combustion method and the like:
1. absorption method: the characteristic that some substances in the malodorous organic waste gas are easy to dissolve in water is utilized to ensure that the components of the malodorous organic waste gas are directly contacted with the water so as to be dissolved in the water to achieve the aim of removing, and the absorption liquid can be reasonably selected according to the types of the waste gas. Is suitable for water-soluble, organic waste gas and malodorous gas with organized emission sources. The process is simple, the management is convenient, the equipment operation cost is low, but secondary pollution is generated, and the washing liquid needs to be treated; the purification efficiency is low, and the organic waste gas treatment effect is poor when the organic waste gas treatment device is used in combination with other technologies.
2. An adsorption method: the adsorption function of the adsorbent (such as activated carbon) is utilized to transfer the odor and organic waste gas substances from a gas phase to a solid phase, so that the adsorbent is suitable for treating the odor and organic waste gas with low concentration and high purification requirement. The purification efficiency is very high, multi-component malodorous gas and organic waste gas can be treated, the adsorbent is expensive, the regeneration is difficult, and the malodorous gas and the organic waste gas to be treated have lower temperature and dust content.
3. Photo-oxygen catalytic purification method: irradiating the waste gas with special high-energy high-ozone UV light beam to make organic or inorganic polymer molecule chain of malodorous compound react with ozone under the irradiation of high-energy UV light beam to generate low-molecular compound, such as CO2, H2O, etc. The method has the advantages of low investment cost, wide application range, high purification efficiency, simple operation, good deodorization effect, stable equipment operation, small occupied area, low operation cost, and no secondary pollution due to the fact that the device is opened at any time.
4. The combustion method comprises the following steps: the odor and the organic waste gas substances are fully mixed with the fuel gas at high temperature to realize complete combustion. The device is suitable for treating combustible gas with high concentration and small gas quantity, has high purification efficiency, can completely oxidize and decompose malodorous and organic waste gas substances, but has easy corrosion of equipment, fuel consumption, high treatment cost and easy formation of secondary pollution.
However, the methods are not suitable for treating waste gas generated in laboratories, most of the laboratories have organic waste gas, smell is bad and is not easy to remove, and incomplete waste gas removal is often caused in the treatment process.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned current problem, the to-be-solved technical problem of the utility model lies in effectively clearing away the harmful substance in the waste gas, reinforcing the harmful substance in the waste gas clear away a laboratory exhaust treatment device of effect.
The utility model provides a laboratory waste gas treatment device, including the gas transmission person in charge and place in many gas transmission branch pipes in the laboratory, the gas transmission branch pipe all is linked together with the gas transmission person in charge, the last negative pressure pump that is equipped with of gas transmission person in charge, the other end of gas transmission person in charge is equipped with the spray column that is linked together with it, the bottom of spray column is equipped with the back flow that is linked together with it, be equipped with the water pump on the back flow, the other end of back flow passes the top of spray column, the tip of the back flow other end is equipped with the hose that is linked together with it, be equipped with the shower nozzle that is linked together with it on the hose, be equipped with telescopic machanism on the back flow, telescopic machanism's flexible end with shower nozzle fixed connection, be equipped with the blast pipe that is linked together with it on the spray column, the water pump and the first negative pressure pump are electrically connected with an external power supply.
Preferably, catalytic purification mechanism includes first casing and second casing, the second casing with exhaust duct is linked together, first casing is located the top of second casing, first casing with second casing fixed connection, top in the first casing is equipped with driving motor, driving motor's output is equipped with fixed connection's dead lever with it, the dead lever passes first casing with the second casing, the surface of dead lever is equipped with a plurality of blades, the inner wall of second casing is equipped with fixed connection's ultraviolet lamp with it, be equipped with the catalyst layer on the inner wall of second casing.
Preferably, the bottom of the second shell is provided with an output pipe communicated with the second shell.
Preferably, the catalyst layer is nano titanium dioxide.
Preferably, the telescopic mechanism comprises a fixed plate and an electric telescopic rod, the fixed plate is fixedly connected with the return pipe, the electric telescopic rod is fixedly connected with the fixed plate, the telescopic end of the electric telescopic rod is fixedly connected with the spray head, and the electric telescopic rod is electrically connected with an external power supply.
Preferably, be equipped with first ooff valve and second ooff valve on the gas transmission is responsible for, still include communicating pipe and second negative pressure pump, the second negative pressure pump is located on communicating pipe, the both ends of communicating pipe all with the gas transmission is responsible for and is linked together, communicating pipe is located between first ooff valve and the second ooff valve, the second negative pressure pump is connected with external power supply electricity.
The beneficial effects of the utility model reside in that:
the utility model discloses a laboratory exhaust treatment device, through the suction effect of first negative pressure pump, make gas transmission branch pipe can collect each regional waste gas of laboratory and pass through the gas transmission person in charge input to in the spray column, then through the shower nozzle with the water atomization blowout, thereby make waste gas and water carry out the gas-liquid two-phase fully contact and mix together to a certain extent with the harmful substance in the waste gas, the gas that exhaust duct discharged can have harmful substance content to descend to a certain extent, and through the flexible of telescopic machanism, make the height of shower nozzle in the spray column can be adjusted, and then can make the shower nozzle carry out abundant spraying to waste gas, and through the effect of catalytic purification mechanism, then can carry out further purification to the gas that exhaust duct discharged, thereby make the harmful substance in the combustion gas can obtain effectual clearance, improve this device to the purifying effect of waste gas, easily popularize and apply.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
Fig. 1 is a schematic overall structure diagram of a first embodiment of the laboratory exhaust gas treatment device of the present invention;
fig. 2 is a schematic structural view of the interior of a spray tower according to a first embodiment of the laboratory waste gas treatment device of the present invention;
fig. 3 is a schematic structural diagram of a first housing and a second housing of a first embodiment of a laboratory exhaust gas treatment device according to the present invention;
fig. 4 is a schematic view of the overall structure of a second embodiment of the laboratory exhaust gas treatment device of the present invention.
In the figure, 1 is a main gas transmission pipe, 2 is a branch gas transmission pipe, 3 is a first negative pressure pump, 4 is a spray tower, 5 is a return pipe, 6 is a water pump, 7 is a hose, 8 is a spray head, 9 is a second negative pressure pump, 10 is an exhaust pipeline, 11 is a first shell, 12 is a second shell, 13 is a driving motor, 14 is a fixing rod, 15 is a blade, 16 is an ultraviolet lamp, 17 is a catalyst layer, 18 is an output pipe, 19 is a fixing plate, 20 is an electric telescopic rod, 21 is a first switch valve, 22 is a second switch valve, and 23 is a communicating pipe.
Detailed Description
In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.
Example one
Referring to fig. 1 to 3, the utility model provides a laboratory waste gas treatment device, which comprises a gas transmission main pipe 1 and a plurality of gas transmission branch pipes 2 arranged in a laboratory, wherein the gas transmission branch pipes 2 are all communicated with the gas transmission main pipe 1, the gas transmission main pipe 1 is provided with a first negative pressure pump 3, the other end of the gas transmission main pipe 1 is provided with a spray tower 4 communicated with the gas transmission main pipe, the bottom of the spray tower 4 is provided with a return pipe 5 communicated with the spray tower 4, the return pipe 5 is provided with a water pump 6, the other end of the return pipe 5 passes through the top of the spray tower 4, the end part of the other end of the return pipe 5 is provided with a hose 7 communicated with the return pipe 7, the hose 7 is provided with a spray head 8 communicated with the hose, the return pipe 5 is provided with a telescopic mechanism, the telescopic end of the telescopic mechanism is fixedly connected with the spray head 8, the spray, the other end of the exhaust pipeline 10 is provided with a catalytic purification mechanism communicated with the exhaust pipeline, the water pump 6 and the first negative pressure pump 3 are electrically connected with an external power supply, through the suction effect of the first negative pressure pump 3, the gas transmission branch pipe 2 can collect the waste gas in each area of a laboratory and input the waste gas into the spray tower 4 through the gas transmission main pipe 1, then the water is atomized and sprayed out through the spray head 8, so that the waste gas and the water are in full contact and mixed together in a gas-liquid two-phase mode, harmful substances in the waste gas are absorbed to a certain degree, the gas exhausted by the exhaust pipeline 10 can have the content of harmful substances reduced to a certain degree, and through the expansion and contraction of the expansion mechanism, the height of the spray head 8 in the spray tower 4 can be adjusted, and further the spray head 8 can fully spray the waste gas, and through catalytic purification mechanism's effect then can be right exhaust duct 10 combustion gas further purifies to make the harmful substance in the combustion gas can obtain effectual cleaing away, improve this device to the purifying effect of waste gas, easily popularize and apply.
Preferably, the catalytic purification mechanism includes a first housing 11 and a second housing 12, the first housing 11 is located at the top of the second housing 12, the second housing 12 is communicated with the exhaust duct 10, the first housing 11 is fixedly connected with the second housing 12, a driving motor 13 is disposed at the top of the first housing 11, a fixing rod 14 fixedly connected with the output end of the driving motor 13 is disposed at the output end of the driving motor 13, the fixing rod 14 penetrates through the first housing 11 and the second housing 12, a plurality of blades 15 are disposed on the surface of the fixing rod 14, an ultraviolet lamp 16 fixedly connected with the inner wall of the second housing 12 is disposed on the inner wall of the second housing 12, a catalyst layer 17 is disposed on the inner wall of the second housing 12, and the fixing rod 14 can drive the blades 15 to rotate by the driving of the driving motor 13, so as to disturb the gas entering the second housing 12, so that the gas can fully degrade the organic matters under the double actions of the lamp light emitted by the ultraviolet lamp 16 and the catalyst layer 17, thereby completely removing the organic matters in the gas.
Preferably, the bottom of the second casing 12 is provided with an output pipe 18 communicated with the second casing, and the processed gas can be discharged through the output pipe 18, so that the environmental pollution is not easily caused.
Preferably, the catalyst layer 17 is nano titanium dioxide, and the catalyst layer 17 generates superoxide anion radicals and hydroxyl radicals with strong chemical activity when being irradiated by ultraviolet light, so as to degrade organic matters. And the nano titanium dioxide belongs to a non-dissolution type material, can not decompose and dissolve out per se while thoroughly decomposing organic pollutants and killing and sterilizing, has lasting photocatalytic effect and has lasting effects of sterilizing and degrading pollutants.
Preferably, telescopic machanism includes fixed plate 19 and electric telescopic handle 20, fixed plate 19 with back flow 5 fixed connection, electric telescopic handle 20 with fixed plate 19 fixed connection, electric telescopic handle 20 flexible end with shower nozzle 8 fixed connection, electric telescopic handle 20 is connected with external power supply electricity, through fixed plate 19 and electric telescopic handle 20's cooperation, can make shower nozzle 8 is in highly adjusting in spray column 4 in real time to more effectual convenient spun water carries out abundant mixture with waste gas, ensures that spun water smoke can cover completely inside spray column 4.
Example two
Referring to fig. 4, the difference between this embodiment and the first embodiment is that a first switch valve 21 and a second switch valve 22 are disposed on the gas transmission main pipe 1, the present embodiment further includes a communicating pipe 23 and a second negative pressure pump 9, the second negative pressure pump 9 is disposed on the communicating pipe 23, both ends of the communicating pipe 23 are communicated with the gas transmission main pipe 1, the communicating pipe 23 is located between the first switch valve 21 and the second switch valve 22, and the second negative pressure pump 9 is electrically connected to an external power supply, because toxic substances in the exhaust gas generated at different positions of the laboratory are not completely the same, by closing the first switch valve 21 and the second switch valve 22, the exhaust gas of the gas transmission main pipe 1 enters the communicating pipe 23 under the action of the second negative pressure pump 9, and through multiple flows of the exhaust gas in the communicating pipe 23 and the gas transmission main pipe 1, the exhaust gas can be fully mixed, the toxic substance in the waste gas can mix comparatively evenly, then keeps first ooff valve 21 closes, opens second ooff valve 22 closes second negative pressure pump 9 for the waste gas behind the misce bene gets into carry out purification treatment in the spray column 4, effectively improve the mixed effect of gas-liquid, when the waste gas mixed work that needs carry out the new round, only need close second ooff valve 22 opens second negative pressure pump 9 with foretell step can be repeated to first ooff valve 21.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A laboratory waste gas treatment device is characterized by comprising a gas transmission main pipe and a plurality of gas transmission branch pipes placed in a laboratory, wherein the gas transmission branch pipes are communicated with the gas transmission main pipe, a first negative pressure pump is arranged on the gas transmission main pipe, a spray tower communicated with the gas transmission main pipe is arranged at the other end of the gas transmission main pipe, a return pipe communicated with the spray tower is arranged at the bottom of the spray tower, a water pump is arranged on the return pipe, the other end of the return pipe penetrates through the top of the spray tower, a hose communicated with the return pipe is arranged at the end part of the other end of the return pipe, a spray head communicated with the hose is arranged on the hose, a telescopic mechanism is arranged on the return pipe, the telescopic end of the telescopic mechanism is fixedly connected with the spray head, an exhaust pipe communicated with the spray tower is arranged on the spray tower, and a catalytic purification mechanism communicated, the water pump and the first negative pressure pump are electrically connected with an external power supply.
2. The laboratory exhaust treatment device according to claim 1, wherein the catalytic purification mechanism comprises a first housing and a second housing, the second housing is communicated with the exhaust pipeline, the first housing is located at the top of the second housing, the first housing is fixedly connected with the second housing, a driving motor is arranged at the top of the first housing, a fixing rod is fixedly connected with the output end of the driving motor, the fixing rod penetrates through the first housing and the second housing, a plurality of blades are arranged on the surface of the fixing rod, an ultraviolet lamp is fixedly connected with the inner wall of the second housing, and a catalyst layer is arranged on the inner wall of the second housing.
3. The laboratory exhaust treatment device of claim 2, wherein the bottom of the second housing is provided with an output pipe in communication therewith.
4. The laboratory exhaust treatment device of claim 2, wherein the catalyst layer is nano titanium dioxide.
5. The laboratory waste gas treatment device according to claim 1, wherein the telescopic mechanism comprises a fixed plate and an electric telescopic rod, the fixed plate is fixedly connected with the return pipe, the electric telescopic rod is fixedly connected with the fixed plate, a telescopic end of the electric telescopic rod is fixedly connected with the spray head, and the electric telescopic rod is electrically connected with an external power supply.
6. The laboratory waste gas treatment device according to claim 1, wherein the gas transmission main pipe is provided with a first switch valve and a second switch valve, and further comprises a communication pipe and a second negative pressure pump, the second negative pressure pump is arranged on the communication pipe, two ends of the communication pipe are communicated with the gas transmission main pipe, the communication pipe is located between the first switch valve and the second switch valve, and the second negative pressure pump is electrically connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020422260.9U CN212119577U (en) | 2020-03-28 | 2020-03-28 | Laboratory exhaust treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020422260.9U CN212119577U (en) | 2020-03-28 | 2020-03-28 | Laboratory exhaust treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN212119577U true CN212119577U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020422260.9U Active CN212119577U (en) | 2020-03-28 | 2020-03-28 | Laboratory exhaust treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797368A (en) * | 2022-04-27 | 2022-07-29 | 苏州毕恩思实验器材有限公司 | Energy-saving laboratory is with exhaust gas purification equipment |
| CN114832617A (en) * | 2022-05-09 | 2022-08-02 | 河北宝盈生物技术有限公司 | Purification method of laboratory waste gas integrated purification device |
-
2020
- 2020-03-28 CN CN202020422260.9U patent/CN212119577U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797368A (en) * | 2022-04-27 | 2022-07-29 | 苏州毕恩思实验器材有限公司 | Energy-saving laboratory is with exhaust gas purification equipment |
| CN114797368B (en) * | 2022-04-27 | 2023-11-24 | 苏州毕恩思实验器材有限公司 | Energy-saving waste gas purifying equipment for laboratory |
| CN114832617A (en) * | 2022-05-09 | 2022-08-02 | 河北宝盈生物技术有限公司 | Purification method of laboratory waste gas integrated purification device |
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