CN215427947U - Pretreatment laboratory tail gas processing apparatus - Google Patents
Pretreatment laboratory tail gas processing apparatus Download PDFInfo
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- CN215427947U CN215427947U CN202120391690.3U CN202120391690U CN215427947U CN 215427947 U CN215427947 U CN 215427947U CN 202120391690 U CN202120391690 U CN 202120391690U CN 215427947 U CN215427947 U CN 215427947U
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Abstract
The utility model discloses a tail gas treatment device for a pretreatment laboratory, which comprises an activated carbon absorber and a water spray pipe which are arranged in a tail gas treatment box, wherein the bottom end in the tail gas treatment box is fixedly connected with a water pump, the water pump is connected with the water spray pipe through a pipeline, the activated carbon absorber is fixedly connected at the upper end of the water spray pipe in the tail gas treatment box, the left side wall of the tail gas treatment box is fixedly connected with a first fan, an air inlet pipe of an air inlet of the first fan is arranged at the air outlet end of the first fan, the tail gas treatment box is connected with the air outlet end of the first fan through a pipeline, a tail gas neutralizing box is arranged at the right end of the second fan, the tail gas treatment box is connected with the tail gas neutralizing box through a pipeline, a first acid neutralizing agent box and a first alkaline neutralizing agent box are arranged at the top end of the tail gas neutralizing box, and an exhaust box is connected with an exhaust box through a pipeline, the tail gas treatment device has the advantages that the tail gas treatment is timely, good tail gas treatment effect and the like.
Description
Technical Field
The utility model relates to the technical field of laboratory tail gas treatment, in particular to a pretreatment laboratory tail gas treatment device.
Background
The laboratory is the special place that carries out experimental study in any subject field of natural science, in order to obtain better technique or material in certain technical field, all need carry out relevant experiment in the laboratory, but can produce a large amount of harmful gas in the laboratory usually, especially in the chemical industry field, current laboratory tail gas processing apparatus adopts active carbon and corresponding medicament to carry out adsorption treatment usually, but there is the artificial operation of needs to carry out tail gas treatment, tail gas treatment is untimely, tail gas treatment effect subalternation problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a tail gas treatment device for a pretreatment laboratory, which does not need manual tail gas treatment, is timely in tail gas treatment and good in tail gas treatment effect, and can effectively solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a tail gas treatment device for a pretreatment laboratory comprises an activated carbon absorber and a water spray pipe which are arranged in a tail gas treatment box, wherein the bottom end in the tail gas treatment box is fixedly connected with a water pump, the periphery of the water pump is fixedly connected with a filter screen, the upper end of the water pump is fixedly connected with the water spray pipe in the tail gas treatment box, the water pump is connected with the water spray pipe through a pipeline, the lower end of the water spray pipe is fixedly connected with atomizing nozzles at equal intervals, the upper end of the water spray pipe in the tail gas treatment box is fixedly connected with the activated carbon absorber, the left side wall of the tail gas treatment box is fixedly connected with a first fan, an air induction port air inlet pipe of the first fan, an air suction pipe at equal intervals in the air inlet pipe, an air outlet end of the first fan is connected with the tail gas treatment box through a pipeline, and the right end of the tail gas treatment box is fixedly connected with a second fan, the right-hand member of fan two is equipped with tail gas neutralizing tank, the top fixedly connected with servo motor of tail gas neutralizing tank, shaft coupling fixedly connected with transmission shaft is passed through in servo motor's pivot, and equidistant fixedly connected with puddler on this transmission shaft, the top of tail gas neutralizing tank is equipped with acid neutralization chemical tank one and alkaline chemical neutralizing tank one, be equipped with PH detector one in the tail gas neutralizing tank, fan two-pass pipeline is with tail gas treatment box and tail gas neutralizing tank connection, tail gas neutralizing tank has the exhaust case through the pipe connection, the right side wall upper end fixedly connected with blast pipe of exhaust case.
Furthermore, the middle position of the top end inside the exhaust box is vertically and fixedly connected with a partition plate, the length of the partition plate is smaller than the height of the exhaust box, a first gas detector is arranged at the left side end, located on the partition plate, of the exhaust box, a return pipe is fixedly connected to the lower end of the right side wall of the exhaust box, and the other end, far away from the exhaust box, of the return pipe is connected with a tail gas treatment box.
Further, fixedly connected with acid neutralization chemical tank two and alkaline neutralization chemical tank two on the lateral wall of tail gas treatment box, acid neutralization chemical tank two and alkaline neutralization chemical tank two are all connected with the tail gas treatment box through the unloading pipe, the inside bottom of tail gas treatment box is equipped with PH detector two.
Further, a gas detector II is fixedly connected to the air inlet pipe connected with the fan I, and the air outlet pipe connected with the fan I is tangentially connected with the tail gas treatment box in an upward inclined manner.
Compared with the prior art, the utility model has the beneficial effects that: this preceding processing laboratory tail gas processing apparatus, detect through the air in the two pairs of laboratories of gas detection appearance, when the value that two gas detection appearance detect is greater than the value that two gas detection appearance set for, tail gas treatment is carried out in the automatic tail gas treatment incasement that introduces of fan one with the air in the laboratory, carry out tail gas absorption automatically and handle, it operates to need not the staff, tail gas treatment is timely, the solenoid valve of back flow connection is closed when the value that one gas detection appearance detected is qualified, gas is discharged from the blast pipe, the blast pipe is closed when the value that one gas detection appearance detected is unqualified, gas gets into tail gas treatment incasement from the back flow and reprocesses, tail gas treatment's is effectual, can select reasonable medicament to handle according to the acid-base of tail gas, tail gas treatment's is effectual.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the exhaust box of the present invention;
FIG. 3 is a schematic view of the connection between the blower outlet duct and the tail gas treatment tank according to the present invention;
in the figure: the tail gas treatment device comprises a tail gas treatment box 1, a water pump 2, a filter screen 3, a water spray pipe 4, an active carbon absorber 5, a fan I6, an air suction pipe 7, a tail gas neutralization box 8, a servo motor 9, an acid neutralization reagent box I10, an alkaline neutralization reagent box I11, a stirring rod 12, a PH detector I13, an exhaust box 14, an exhaust pipe 15, a gas detector I16, a gas detector I17, a return pipe 18, an acid neutralization reagent box II 18, an alkaline neutralization reagent box II 19, a PH detector II 20, a gas detector II 21 and a fan II 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-3, the present invention provides a technical solution: a tail gas treatment device for a pretreatment laboratory comprises an activated carbon absorber 5 and a spray pipe 4 which are arranged in a tail gas treatment box 1, wherein the bottom end in the tail gas treatment box 1 is fixedly connected with a water pump 2, the periphery of the water pump 2 is fixedly connected with a filter screen 3, the upper end of the water pump 2 in the tail gas treatment box 1 is fixedly connected with the spray pipe 4, the water pump 2 is connected with the spray pipe 4 through a pipeline, the lower end of the spray pipe 4 is fixedly connected with atomizing nozzles at equal intervals, the upper end of the spray pipe 4 in the tail gas treatment box 1 is fixedly connected with the activated carbon absorber 5, the left side wall of the tail gas treatment box 1 is fixedly connected with a fan I6, an air inlet pipe of the fan I6 is connected with an air suction pipe 7 at equal intervals in the air inlet pipe, and the air outlet end of the fan I6 is connected with the tail gas treatment box 1 through a pipeline, the tail gas treatment device comprises a tail gas treatment box 1, a fan II 22, a tail gas neutralization box 8, a servo motor 9, a transmission shaft, a stirring rod 12, an acid neutralization chemical box I10 and an alkaline chemical neutralization box I11, a PH detector I13, a fan II 22, an exhaust gas treatment box 1, a tail gas neutralization box I8, an exhaust pipe 14, an exhaust pipe 15, an electromagnetic valve, a discharge pipe and a discharge pipe, wherein the fan II 22 is fixedly connected with the right end of the tail gas treatment box 1, the right end of the fan II 22 is provided with the tail gas neutralization box I8, the servo motor 9 is fixedly connected with the transmission shaft through a coupler, the stirring rod 12 is fixedly connected with the transmission shaft at equal intervals, the top end of the tail gas neutralization box I8 is provided with the acid neutralization chemical box I10 and the alkaline chemical neutralization box I11, the exhaust pipe 15 is connected with an electromagnetic valve, the tail gas treatment box 1 is provided with a PCL controller, the electromagnetic valve, a first fan 6, a second fan 22, a servo motor 9 and a water pump 2 are electrically connected with the PLC controller, harmful gas in a laboratory is conveyed into the tail gas treatment box 1 through the first fan 6, water in the tail gas treatment box 1 is pumped into a water spray pipe 4 by the water pump 2 and sprayed out through an atomizing spray head to cool tail gas, acidic substances or alkaline substances in the tail gas are partially dissolved in water, particle particles contained in the tail gas are removed at the same time, the harmful gas is absorbed through an activated carbon absorber 5, the gas is conveyed into the tail gas and aqueous solution in a box 8 through the second fan 22, the aqueous solution is detected through a PH detector 16, neutralizing agents are added according to the pH value detected by the PH detector 16, and the stirring rod 12 is driven by the servo motor 9 to stir, accelerate the efficiency of tail gas neutralization, the gas in the tail gas neutralization case 1 passes through in the pipeline gets into exhaust case 14, discharges through blast pipe 15, can select reasonable medicament to handle according to the acid-base nature of tail gas, and the effect of tail gas treatment is good.
Further, a partition plate is vertically and fixedly connected to the middle position of the top end inside the exhaust box 14, the length of the partition plate is smaller than the height of the exhaust box 14, a first gas detector 16 is arranged at the left end of the partition plate inside the exhaust box 14, a return pipe 17 is fixedly connected to the lower end of the right side wall of the exhaust box 14, the other end, away from the exhaust box 14, of the return pipe 17 is connected with the tail gas treatment box 1, an electromagnetic valve is connected to the return pipe 17, the electromagnetic valve and the first gas detector 16 are electrically connected with a PLC (programmable logic controller), gas entering the exhaust box 14 is detected through the first gas detector 16, when the value detected by the first gas detector 16 is qualified, the electromagnetic valve connected to the return pipe 17 is closed, the gas is discharged from the exhaust pipe 15, when the value detected by the first gas detector 16 is unqualified, the exhaust pipe 15 is closed, and the gas enters the tail gas treatment box 1 from the return pipe 17 for retreatment, the tail gas treatment effect is good.
Further, fixedly connected with acid neutralization reagent case two 18 and alkaline neutralization reagent case two 19 on the lateral wall of tail gas treatment case 1, acid neutralization reagent case two 18 and alkaline neutralization reagent case two 19 all are connected with tail gas treatment case 1 through the unloading pipe, the inside bottom of tail gas treatment case 1 is equipped with PH detector two 20, all is connected with the solenoid valve on the unloading pipe that acid neutralization reagent case two 18 and alkaline neutralization reagent case two 19 are connected, and solenoid valve and PH detector two 20 all are connected with the PLC controller electricity, detect the aqueous solution in tail gas treatment case 1 through PH detector two 20, add suitable neutralization reagent through the testing result of PH detector two 20, the water cyclic utilization in the tail gas treatment case 1, and the result of use is better.
Further, fixedly connected with gas detection appearance two 21 on the air-supply line that fan one 6 is connected, the play tuber pipe that fan one 6 is connected with the tangential of tail gas processing case 1 tilt up, and gas detection appearance two 21 are connected with the PLC controller electricity, detect the air in the laboratory through gas detection appearance two 21, when the value that gas detection appearance two 21 detected is greater than the value that gas detection appearance two 21 set for, fan one 6 is automatic to be carried out tail gas processing with the air introduction in the laboratory in the tail gas processing case 1 and is handled, carries out tail gas absorption automatically and handles, need not the staff and operates, tail gas treatment is timely, also can make fan one 6 work through controlling the PLC controller.
When in use: when the value detected by the second gas detector 21 is greater than the value set by the second gas detector 21, the first fan 6 automatically introduces air in the laboratory into the tail gas treatment box 1 to cool tail gas, acidic substances or alkaline substances in the tail gas are partially dissolved in water and particle particles contained in the tail gas are removed at the same time, the activated carbon absorber 5 absorbs harmful gas, the second fan 22 conveys the gas into aqueous solution in the tail gas neutralization box 8, the first PH detector 16 detects the aqueous solution, neutralizing agents are added according to the acidity and alkalinity detected by the first PH detector 16, the servo motor 9 drives the stirring rod 12 to stir to accelerate the efficiency of tail gas neutralization, the gas in the tail gas neutralization box 1 enters the exhaust box 14 through a pipeline, when the value detected by the first gas detector 16 is qualified, the electromagnetic valve connected with the return pipe 17 is closed, and the gas is exhausted from the exhaust pipe 15, when the value detected by the first gas detector 16 is not qualified, the exhaust pipe 15 is closed, the gas enters the tail gas treatment box 1 from the return pipe 17 for retreatment, and the detection result of the second pH detector 20 is neutralized by adding a proper neutralizing agent.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a pretreatment laboratory tail gas processing apparatus, is including setting up active carbon absorber and the spray pipe in the tail gas treatment box, its characterized in that: the bottom end in the tail gas treatment box is fixedly connected with a water pump, the periphery of the water pump is fixedly connected with a filter screen, the upper end of the water pump in the tail gas treatment box is fixedly connected with a spray pipe, the water pump is connected with the spray pipe through a pipeline, the lower end of the spray pipe is fixedly connected with an atomizing spray nozzle at equal intervals, the upper end of the spray pipe in the tail gas treatment box is fixedly connected with an active carbon absorber, the left side wall of the tail gas treatment box is fixedly connected with a first fan, an air inlet pipe of an air induction port of the first fan is fixedly connected with an air suction pipe at equal intervals, an air outlet end of the first fan is connected with the tail gas treatment box through a pipeline, the right end of the tail gas treatment box is fixedly connected with a second fan, the right end of the second fan is provided with a tail gas neutralizing box, and the top end of the tail gas neutralizing box is fixedly connected with a servo motor, the utility model discloses a pneumatic exhaust system, including servo motor, shaft coupling fixedly connected with transmission shaft, and this transmission shaft equidistant fixedly connected with puddler, the top of tail gas neutralization case is equipped with acid neutralization chemical tank one and alkaline chemical neutralization case one, the tail gas neutralization incasement is equipped with PH detector one, fan two-way pipeline is connected tail gas treatment case and tail gas neutralization case, tail gas neutralization case has the exhaust case through pipe connection, the right side wall upper end fixedly connected with blast pipe of exhaust case.
2. The pretreatment laboratory exhaust gas treatment device according to claim 1, wherein: the exhaust box is characterized in that a partition plate is vertically and fixedly connected to the middle of the top end inside the exhaust box, the length of the partition plate is smaller than the height of the exhaust box, a first gas detector is arranged at the left side end, located on the partition plate, of the exhaust box, a return pipe is fixedly connected to the lower end of the right side wall of the exhaust box, and the other end, away from the exhaust box, of the return pipe is connected with a tail gas treatment box.
3. The pretreatment laboratory exhaust gas treatment device according to claim 1, wherein: the tail gas treatment device is characterized in that an acidic neutralizing chemical box II and an alkaline neutralizing chemical box II are fixedly connected to the side wall of the tail gas treatment box, the acidic neutralizing chemical box II and the alkaline neutralizing chemical box II are connected with the tail gas treatment box through a discharging pipe, and a PH detector II is arranged at the bottom end of the interior of the tail gas treatment box.
4. The pretreatment laboratory exhaust gas treatment device according to claim 1, wherein: and a second gas detector is fixedly connected to the air inlet pipe connected with the first fan, and the air outlet pipe connected with the first fan is tangentially connected with the tail gas treatment box in an upward inclined manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120391690.3U CN215427947U (en) | 2021-02-23 | 2021-02-23 | Pretreatment laboratory tail gas processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120391690.3U CN215427947U (en) | 2021-02-23 | 2021-02-23 | Pretreatment laboratory tail gas processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215427947U true CN215427947U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120391690.3U Active CN215427947U (en) | 2021-02-23 | 2021-02-23 | Pretreatment laboratory tail gas processing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215427947U (en) |
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2021
- 2021-02-23 CN CN202120391690.3U patent/CN215427947U/en active Active
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