CN215352908U - Waste gas treatment device - Google Patents
Waste gas treatment device Download PDFInfo
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- CN215352908U CN215352908U CN202120724698.7U CN202120724698U CN215352908U CN 215352908 U CN215352908 U CN 215352908U CN 202120724698 U CN202120724698 U CN 202120724698U CN 215352908 U CN215352908 U CN 215352908U
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- pipeline
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- gas concentration
- concentration detector
- exhaust
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Abstract
The utility model discloses a waste gas treatment device which comprises a treatment bin, a plurality of liquid reservoirs, a detection recovery pipeline, a controller, a liquid recovery pipeline, an air inlet pipeline and an exhaust pipeline, wherein the liquid recovery pipeline, the air inlet pipeline and the exhaust pipeline are connected with the treatment bin. Handle the storehouse and be equipped with the mechanism that sprays that from top to bottom distributes in proper order, first gas concentration detector, the waterproof fan of mixed flow, the top at handling the storehouse is established to the reservoir, each reservoir sprays the mechanism through the feed liquor pipe connection of difference, the liquid recovery pipeline is equipped with first pipeline solenoid valve, the pipeline of admitting air is equipped with third pipeline solenoid valve, air intake fan, the exhaust pipe is equipped with two fourth pipeline solenoid valves and the detection storehouse between two fourth pipeline solenoid valves, be equipped with second gas concentration detector in the detection storehouse, it is first, two gas concentration detector include multiple gas concentration sensor, it connects at the detection storehouse to detect the recovery pipeline, between the air inlet pipeline and be equipped with fifth pipeline solenoid valve. The waste gas treatment device is used for effectively treating various harmful gases.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a waste gas treatment device.
Background
The waste gas refers to toxic and harmful gas discharged by human in the production and living process, seriously pollutes the environment and influences the human health. Poisonous and harmful polluting nature gas that most of laboratories produced at present, all be in direct vent state, the better laboratory of doing a small number also has only set up simple active carbon adsorption filter equipment to exhaust waste gas, and these simple and easy exhaust treatment devices are not only thorough inadequately to exhaust-gas treatment, will lose the effect because of the saturation very fast moreover.
In addition, the existing laboratory waste gas treatment device also has the problems that different harmful gases cannot be treated, or the device is complex in structure, complex to operate and not suitable for field application.
Disclosure of Invention
The utility model aims to provide an exhaust gas treatment device which can effectively treat various harmful gases by a chemical reaction principle.
In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:
an exhaust gas treatment device, comprising:
the treatment bin is provided with a spraying mechanism, a first gas concentration detector and a mixed flow waterproof fan which are sequentially distributed from top to bottom;
the liquid recovery pipeline is provided with a first pipeline electromagnetic valve and is connected with the treatment bin;
the liquid accumulators are arranged at the top of the treatment bin, each liquid accumulator is connected with the spraying mechanism through different liquid inlet pipelines, and the liquid inlet pipelines are provided with second pipeline electromagnetic valves;
the air inlet pipeline is provided with a third pipeline electromagnetic valve and an air inlet fan and is connected with the processing bin;
the exhaust pipeline is provided with two fourth pipeline electromagnetic valves and a detection bin positioned between the two fourth pipeline electromagnetic valves, the exhaust pipeline is connected with the processing bin, a second gas concentration detector is arranged in the detection bin, and the first gas concentration detector and the second gas concentration detector comprise various gas concentration sensors;
the detection recovery pipeline is provided with a fifth pipeline electromagnetic valve and is connected between the detection bin and the air inlet pipeline;
and the controller is in communication connection with the first gas concentration detector, the second gas concentration detector, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the fifth electromagnetic valve, the mixed-flow waterproof fan and the air inlet fan.
In some embodiments, the exhaust gas treatment device comprises:
and the vacuumizing pipeline is provided with a sixth pipeline electromagnetic valve and a vacuum pump which are in communication connection with the controller, and the vacuumizing pipeline is connected with the treatment bin.
In some embodiments, the exhaust gas treatment device is provided with a three-way solenoid valve as the third line solenoid valve, the fifth line solenoid valve.
In some embodiments, the treatment bin is a funnel-shaped bin body with a gradually-reduced section from top to bottom, the bottom of the treatment bin is connected with the liquid recovery pipeline, and the liquid recovery pipeline is connected with the liquid collection tank.
In some embodiments, the first gas concentration detector has a plurality, and/or the second gas concentration detector has a plurality, and/or the mixed flow waterproof fan has a plurality.
In some embodiments, the processing chamber and/or the detection chamber is a transparent chamber body.
Compared with the prior art, the utility model has the advantages and beneficial effects that:
1. the utility model can store different absorbents (including water) by utilizing the plurality of liquid reservoirs adjacent to the spraying mechanism, and can absorb a plurality of harmful gases in the waste gas.
2. The utility model utilizes the mixed flow waterproof fan to fully mix and contact the waste gas and the absorbent, thereby realizing full chemical reaction and improving the thoroughness of waste gas absorption.
3. According to the utility model, through double detection of the first gas concentration detector and the second gas concentration detector, a plurality of harmful gases in the waste gas are discharged after being thoroughly purified.
4. The utility model is convenient to operate and has high automation degree by arranging the controller.
5. The utility model has the advantages of clear connection of each pipeline with the processing bin and the detection bin, simple structure, easy realization and suitability for field application.
Other features and advantages of the present invention will become more apparent from the detailed description of the embodiments of the present invention when taken in conjunction with the accompanying drawings.
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 embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic block diagram of an embodiment of the present invention;
description of reference numerals:
a treatment bin 1; a spraying mechanism 11; a first gas concentration detector 12; and a mixed flow waterproof fan 13.
A liquid recovery line 2; a first line solenoid valve 21; a liquid collection tank 22;
a liquid reservoir 3;
a liquid inlet pipeline 4; a second line solenoid valve 41;
an air intake line 5; an intake fan 51; a three-way solenoid valve 52;
an exhaust line 6; a fourth line solenoid valve 61; a detection bin 62; a second gas concentration detector 621;
detecting a recovery pipeline 7;
a controller 8;
a vacuum pumping pipeline 9; a sixth pipeline solenoid valve 91; a vacuum pump 92.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "lateral", "vertical", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings. The terminology is for the purpose of describing the utility model only and is for the purpose of simplifying the description, and is not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operated, and is not to be considered limiting of the utility model. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, the present embodiment provides an exhaust gas treatment device, which includes a treatment cabin 1, a liquid recovery pipeline 2, a plurality of liquid reservoirs 3, an air inlet pipeline 5, an exhaust pipeline 6, a detection recovery pipeline 7, and a controller 8.
A spraying mechanism 11, a first gas concentration detector 12 and a mixed flow waterproof fan 13 which are sequentially distributed from top to bottom are arranged in the treatment bin 1. The first gas concentration detector 12 includes a plurality of gas concentration sensors, and the concentrations of different harmful gases in the exhaust gas can be detected by the first gas concentration detector 12. The mixed flow waterproof fan 13 is used for mixing the waste with the absorbent as much as possible, which is beneficial to the thorough contact reaction of the waste gas and the absorbent.
The liquid recovery pipeline 2 is connected with the treatment bin 1, the absorbent which has undergone chemical reaction with the waste gas flows out of the treatment bin 1 through the liquid recovery pipeline 2, and a first pipeline electromagnetic valve 21 is arranged on the liquid recovery pipeline 2 for controlling the on-off of the liquid recovery pipeline 2.
The spraying mechanism 11 is connected with each liquid storage device 3 through different liquid inlet pipelines 4, and each liquid storage device 3 can store different absorbents, such as monoethanolamine solution, ethanol solution, sodium hydroxide solution, water and the like. In order to control the on-off of the liquid inlet pipeline 4, the second pipeline electromagnetic valves 41 are arranged on the liquid inlet pipeline 4, and when waste gas is treated, the on-off of the second pipeline electromagnetic valves 41 can be controlled, so that different harmful gases in the waste gas can be absorbed and treated in sequence. As shown in the figure, the liquid storage device 3 is arranged at the top of the processing bin 1, which not only reduces the occupied space of the waste gas treatment device in the transverse direction, but also enables the absorbent to automatically flow out by means of gravity, and specifically, two liquid storage devices 3 are arranged at the top of the processing bin 1 in the embodiment.
The air inlet pipeline 5 is connected with the processing bin 1, in order to effectively convey the waste gas into the processing bin 1, an air inlet fan 51 is arranged on the air inlet pipeline 5, in order to control the on-off of the air inlet pipeline 5, a third pipeline electromagnetic valve is arranged on the air inlet pipeline 5, the waste gas generated in production or experiment flows into the processing bin 1 through the air inlet pipeline 5,
the exhaust pipeline 6 is connected with the processing chamber 1, and in order to fully ensure the gas reaching the standard and control the on-off of the exhaust pipeline 6, two fourth pipeline electromagnetic valves 61 and a detection chamber 62 positioned between the two fourth pipeline electromagnetic valves 61 are arranged on the exhaust pipeline 6.
The second gas concentration detector 621 is disposed in the detection chamber 62, and the second gas concentration detector 621, like the first gas concentration detector 12, also includes a plurality of gas concentration sensors, for example, a hydrogen sulfide gas sensor, a sulfur dioxide gas sensor, a chlorine gas sensor, an ammonia gas sensor, etc., specifically, the model of the hydrogen sulfide gas sensor may be 7H2S-50, the model of the sulfur dioxide gas sensor may be 4SO2-CT, the model of the chlorine gas sensor may be 4CL2-DS, and the model of the ammonia gas sensor may be 7X-NH 3-100. The concentration of different harmful gases in the treated gas in the exhaust line 6 can be detected by the second gas concentration detector 621. On the basis of the first gas concentration detector 12, the second gas concentration detector 621 is provided, and the cleanliness of the exhaust gas is sufficiently ensured by the double detection. According to actual requirements, the types of the sensors in the first gas concentration detector and the second gas concentration detector can be consistent with the number of the liquid reservoirs.
Detect recovery pipeline 7 and connect between detection storehouse 62 and air inlet pipeline 5, in order to control the break-make that detects recovery pipeline 7, be equipped with the fifth pipeline solenoid valve on detecting recovery pipeline 7, when second gas concentration detector 621 detects out the concentration of a certain harmful gas or multiple harmful gas and surpasses 0, utilize and detect recovery pipeline 7 and make the gas inflow air inlet pipeline 5 that detects in the storehouse 62, and again flow into again through air inlet pipeline 5 and handle in the storehouse 1, thereby again through spraying the absorbent, start mixed flow waterproof fan 13, carry out exhaust-gas treatment once more. When the second gas concentration detector 621 detects that the concentrations of the plurality of harmful gases are all 0, the gas in the processing chamber can be exhausted by the exhaust line 6.
For convenience of operation and improvement of the automation degree of the exhaust gas treatment device, the controller 8 is used together with the first gas concentration detector 12, the second gas concentration detector 621, the first solenoid valve, the second solenoid valve, the third solenoid valve, the fourth solenoid valve 61, the fifth solenoid valve, the mixed flow waterproof fan 13 and the air inlet fan 51.
In this embodiment, the controller 8 is specifically a siemens industrial all-in-one machine, the model of which is IPC-377E, the controller 8 can be installed on the housing of the treatment cabin 1, and the controller 8 is provided with a display screen which can display the concentration indication value of the exhaust gas in the treatment cabin 1.
In order to improve the effect of uniformly mixing the waste gas and the absorbent, the two opposite sides of the treatment bin 1 are respectively provided with a mixed flow waterproof fan 13, the mixed flow waterproof fans 13 wind upwards in an inclined mode, and the two mixed flow waterproof fans 13 are arranged in a staggered mode in the horizontal direction. In addition, the mixed flow waterproof fan 13 is subjected to antiseptic treatment to improve the service life thereof.
In order to further improve the accuracy of the exhaust gas concentration detection, the present embodiment is provided with one first gas concentration detector 12 on each of opposite sides in the processing compartment 1, and with one second gas concentration detector 621 on each of opposite sides in the detection compartment 62.
In order to realize negative pressure suction of the exhaust gas, the exhaust gas treatment device of the embodiment further includes a vacuum pumping pipeline 9, the vacuum pumping pipeline 9 is connected to the treatment chamber 1, a vacuum pump 92 in communication connection with the controller 8 is arranged on the vacuum pumping pipeline 9, before the exhaust gas is treated, the controller 8 can control the vacuum pump 92 to be turned on, and the treatment chamber 1 is vacuumized by the vacuum pump 92. In order to control the on-off of the vacuum pumping pipeline 9, a sixth pipeline electromagnetic valve 91 which is in communication connection with the controller 8 is arranged on the vacuum pumping pipeline 9.
In order to reduce the number of solenoid valves, in this embodiment, a three-way solenoid valve 52 is disposed between the air intake pipeline 5 and the detection and recovery pipeline 7, and is used as a third pipeline solenoid valve and a fifth pipeline solenoid valve, and the air intake blower 51 may be specifically installed between the three-way solenoid valve 52 and the processing bin 1.
In order to observe the operation conditions of the sensors or fans in the treatment bin 1 and the detection bin 62 conveniently, the treatment bin 1 and the detection bin 62 are transparent bins, and are preferably made of transparent materials with good corrosion prevention effects.
In this embodiment, handle storehouse 1 and specifically be the infundibulate storehouse body that the cross-section reduces from top to bottom, as shown in the figure, the bottom of handling storehouse 1 is connected with liquid recovery pipeline 2, and liquid recovery pipeline 2 is connected liquid collection tank 22, and the absorbent after having absorbed waste gas flows into liquid recovery pipeline 2 automatically to finally collect in liquid collection tank 22.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. An exhaust gas treatment device, comprising:
the treatment bin is provided with a spraying mechanism, a first gas concentration detector and a mixed flow waterproof fan which are sequentially distributed from top to bottom;
the liquid recovery pipeline is provided with a first pipeline electromagnetic valve and is connected with the treatment bin;
the liquid accumulators are arranged at the top of the treatment bin, each liquid accumulator is connected with the spraying mechanism through different liquid inlet pipelines, and the liquid inlet pipelines are provided with second pipeline electromagnetic valves;
the air inlet pipeline is provided with a third pipeline electromagnetic valve and an air inlet fan and is connected with the processing bin;
the exhaust pipeline is provided with two fourth pipeline electromagnetic valves and a detection bin positioned between the two fourth pipeline electromagnetic valves, the exhaust pipeline is connected with the processing bin, a second gas concentration detector is arranged in the detection bin, and the first gas concentration detector and the second gas concentration detector comprise various gas concentration sensors;
the detection recovery pipeline is provided with a fifth pipeline electromagnetic valve and is connected between the detection bin and the air inlet pipeline;
and the controller is in communication connection with the first gas concentration detector, the second gas concentration detector, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the fifth electromagnetic valve, the mixed-flow waterproof fan and the air inlet fan.
2. The exhaust gas treatment device according to claim 1, comprising:
and the vacuumizing pipeline is provided with a sixth pipeline electromagnetic valve and a vacuum pump which are in communication connection with the controller, and the vacuumizing pipeline is connected with the treatment bin.
3. The exhaust gas treatment device according to claim 1, wherein the exhaust gas treatment device is provided with a three-way solenoid valve as the third line solenoid valve, a fifth line solenoid valve.
4. The exhaust gas treatment device of claim 1, wherein the treatment bin is a funnel-shaped bin body with a gradually-reduced cross section from top to bottom, the bottom of the treatment bin is connected with the liquid recovery pipeline, and the liquid recovery pipeline is connected with the liquid collection tank.
5. The exhaust gas treatment device according to claim 1, wherein the first gas concentration detector has a plurality, and/or the second gas concentration detector has a plurality, and/or the mixed flow waterproof fan has a plurality.
6. The exhaust treatment device of claim 1, wherein the treatment bin and/or the detection bin is a transparent bin body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120724698.7U CN215352908U (en) | 2021-04-09 | 2021-04-09 | Waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120724698.7U CN215352908U (en) | 2021-04-09 | 2021-04-09 | Waste gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215352908U true CN215352908U (en) | 2021-12-31 |
Family
ID=79626412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120724698.7U Active CN215352908U (en) | 2021-04-09 | 2021-04-09 | Waste gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215352908U (en) |
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2021
- 2021-04-09 CN CN202120724698.7U patent/CN215352908U/en active Active
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