CN210566450U - Monitoring device for waste gas treatment - Google Patents
Monitoring device for waste gas treatment Download PDFInfo
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- CN210566450U CN210566450U CN201921376076.9U CN201921376076U CN210566450U CN 210566450 U CN210566450 U CN 210566450U CN 201921376076 U CN201921376076 U CN 201921376076U CN 210566450 U CN210566450 U CN 210566450U
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Abstract
The utility model provides a monitoring device for waste gas treatment, which comprises a gas monitor; the gas transmission device comprises a main gas channel, the middle of the main gas channel is communicated with a gas return pipeline, the first valve body blocks the gas return pipeline, the second valve body opens the main gas channel, the gas transmission device further comprises a control gas channel, one end of the control gas channel, which is far away from the main gas channel, is respectively communicated with the first gas cavity and the second gas cavity, a valve core of the first valve body is arranged in the first gas cavity, a valve core of the second valve body is arranged in the second gas cavity, the valve core of the first valve body and the valve core of the second valve body are both connected with a reset mechanism, an electromagnetic valve is arranged in the control gas channel, a humidity sensor is arranged in the control gas channel, and the humidity sensor is positioned on one side, which is close to the main gas channel, so that the humidity in waste gas can be monitored in real time.
Description
Technical Field
The utility model relates to a gas monitoring facilities field, concretely relates to monitoring devices for exhaust-gas treatment.
Background
In the process of treating and collecting exhaust gas, a gas monitoring device is usually used to monitor various properties of the gas, such as toxicity, combustible gas content, etc., wherein, when the gas humidity is high, the accuracy of the monitored data is affected when certain data is monitored, which is a problem to be solved in the art.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a monitoring devices for exhaust-gas treatment that can shunt moist gas.
In order to solve the technical problem, the utility model provides a scheme is: a monitoring device for exhaust gas treatment comprises a gas monitor; and
the gas transmission device comprises a main gas channel, one end of the main gas channel is used for connecting an exhaust gas source, the other end of the main gas channel is connected with the gas monitor, the middle part of the main gas channel is communicated with a gas return pipeline, a first valve body and a second valve body are arranged in the main gas channel, the first valve body seals the gas return pipeline, the second valve body opens the main gas channel, the second valve body is arranged on one side of the gas return pipeline close to the gas monitor,
the gas transmission device also comprises a control air passage, one end of the control air passage is communicated with a main gas pipe and is positioned at one side of the gas return pipe close to the waste gas source, one end of the control air passage far away from the main gas passage is respectively communicated with a first gas cavity and a second gas cavity, a valve core of the first valve body is arranged in the first gas cavity, a valve core of the second valve body is arranged in the second gas cavity, when the first gas cavity is ventilated, gas can drive the valve core of the first valve body to drive the first valve body to open the gas return pipe, when the second gas cavity is ventilated, gas can drive the valve core of the second valve body to drive the second valve body to close the main gas passage, the valve core of the first valve body and the valve core of the second valve body are both connected with a reset mechanism, an electromagnetic valve is arranged in the control air passage, a humidity sensor is arranged in the control air passage, and the humidity sensor is positioned at one side of the electromagnetic, when the humidity sensor detects that the humidity is larger than a threshold value, the electromagnetic valve opens the control air passage.
Further, the method comprises the following steps: the gas return pipeline is connected with the bottom of the main gas channel, the first valve body is hermetically inserted into the joint of the gas return pipeline and the main gas channel, the valve core of the first valve body comprises a connecting rod and a plug, the plug is connected with the first valve body through the connecting rod and can slide up and down in the first gas cavity, the control gas channel is communicated with the bottom end of the first gas cavity, an exhaust channel is arranged at the top end of the first gas cavity, and the resetting mechanism is used for driving the plug to reset.
Further, the method comprises the following steps: a gap is reserved between the bottom of the second valve body and the bottom of the main air channel, the bottom of the second valve body can abut against the bottom of the main air channel to seal the main air channel, a valve core of the second valve body comprises a connecting rod and a plug, the plug is connected with the second valve body through the connecting rod and can slide up and down in the second air cavity, the control air channel is communicated with the top end of the second air cavity, an exhaust channel is arranged at the bottom end of the second air cavity, and the resetting mechanism is used for driving the plug to reset.
Further, the method comprises the following steps: the reset mechanism is a spring.
The utility model has the advantages that: this application can monitor the humidity in the waste gas in real time to change gas path, can not exceed the threshold value with the humidity of guaranteeing follow-up flow.
Drawings
FIG. 1 is a schematic flow diagram of the present application;
FIG. 2 is a cross-sectional view of the gas delivery device;
the reference numbers are as follows: the air valve comprises a main air passage 1, an air return pipeline 2, a first valve body 31, a second valve body 32, a connecting rod 301, a plug 302, a control air passage 4, a first air cavity 51, a second air cavity 52, an exhaust passage 53, a reset mechanism 6, an electromagnetic valve 7 and a humidity sensor 8.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1 and 2, a monitoring device for exhaust-gas treatment, including gas transmission device and the gas monitor that connects gradually, wherein the gas transmission device is used for transporting gas to the gas monitor, and this gas monitor can be poison gas monitor, combustible gas monitor etc. this application does not do specific restriction to the type of gas monitor.
The gas transmission device comprises a main gas channel 1, one end of the main gas channel 1 is used for connecting an exhaust gas source, exhaust gas in the exhaust gas source can be pumped into the main gas channel 1 through an exhaust mechanism such as a gas pump, the other end of the main gas channel 1 is connected with a gas monitor, and the exhaust gas is detected through the gas monitor, wherein the middle part of the main gas channel 1 is communicated with a gas return pipeline 2, a first valve body 31 and a second valve body 32 are arranged in the main gas channel 1, the bottom of the first valve body 31 is inserted into one end of the gas return pipeline 2 connected with the main gas channel 1 so as to block the gas return pipeline 2, the second valve body 32 does not block the main gas channel 1 at the initial time, specifically, a groove body is arranged at the top of the main gas channel 1 and can contain part of the second valve body 32, the top of the second valve body 32 is positioned in the groove body at the initial time, a gap is arranged between the bottom of the second valve body, at this time, the second valve body 32 is in a state of opening the main gas duct 1, and the second valve body 32 is provided on the gas return duct 2 side close to the gas monitor.
In this application, the gas transmission device further includes a control gas channel 4, which is communicated with the main gas pipe and located on one side of the gas return pipeline 2 close to the exhaust gas source, one end of the control gas channel 4 far from the main gas channel 1 is respectively communicated with the first gas cavity 51 and the second gas cavity 52, a valve core of the first valve body 31 is disposed in the first gas cavity 51, a valve core of the second valve body 32 is disposed in the second gas cavity 52, the first valve body 31 and the second valve body 32 are driven by the valve core to operate, when the first gas cavity 51 is ventilated, the gas can drive the valve core of the first valve body 31 to drive the first valve body 31 to open the gas return pipeline 2, specifically, in the embodiment of the application, the valve core of the first valve body 31 includes a connecting rod 301 and a plug column 302, the edge of the plug column 302 is hermetically attached to the side wall of the first gas cavity 51, the plug column 302 is connected with the first valve body 31 by the connecting rod 301, the plug column 302 can slide up and down in the first gas cavity, control air flue 4 and first air cavity 51 bottom intercommunication, first air cavity 51 top is provided with exhaust passage 53, and canceling release mechanical system 6 is installed on plunger 302 top, and canceling release mechanical system 6 is used for driving plunger 302 and resets, and this canceling release mechanical system 6 can be the spring, and through injecting into gas at first air cavity 51, gas can promote plunger 302 and rise to drive first valve body 31 and lift, make it keep away from return gas pipeline 2, in order to open return gas pipeline 2.
When the second air cavity 52 is vented, the gas can drive the valve core of the second valve body 32 to drive the second valve body 32 to close the main air passage 1, in this embodiment, the principle is similar to that of the first valve body 31, specifically, the valve core of the second valve body 32 also includes a connecting rod 301 and a plug 302, the plug 302 is connected with the second valve body 32 through the connecting rod 301 and can slide up and down in the second air cavity 52, the edge of the plug 302 is in sealing contact with the sidewall of the second air cavity 52, the control air passage 4 is communicated with the top end of the second air cavity 52, the bottom end of the second air cavity 52 is provided with an exhaust passage 53, the bottom of the plug 302 is further connected with a spring, and the spring serves as a reset mechanism 6 to drive the plug 302 in the second air cavity 52 to reset, that is, the gas can press the plug 302 down in the second air cavity 52, thereby driving the second valve body 32 to descend, and enabling the second valve body 32 to block.
In addition, an electromagnetic valve 7 and a humidity sensor 8 are arranged in the control air passage 4, the humidity sensor 8 is located on one side, close to the main air passage 1, of the electromagnetic valve 7, and when the humidity sensor 8 detects that the humidity is larger than a threshold value, the electromagnetic valve 7 opens the control air passage 4.
Hereinafter, a specific working flow of the present application is described, initially, the first valve body 31 is in a descending state, at this time, the first valve body 31 blocks the back-air duct, the second valve body 32 is in an ascending state, the main air duct 1 is in an opening state, the electromagnetic valve 7 is in a closing state, the gas cannot reach the first air cavity 51 and the second air cavity 52, when ventilation is performed, because the control air duct 4 is closer to the waste gas source, the waste gas firstly enters the control air duct 4 to contact with the humidity sensor 8 therein, if the humidity does not reach a threshold value, the gas can normally enter the gas monitoring device through the main air duct 1, if the humidity in the waste gas is higher, the threshold value of the humidity sensor 8 is exceeded, at this time, the controller obtains a signal to control the electromagnetic valve 7 to open the control air duct 4, the gas enters through the bottom end of the first air cavity 51, the valve core of the first valve body 31 is, the gas enters from the top end of the second air cavity 52, the valve core of the second valve body 32 is pressed downwards, the gas return channel is opened by the first valve body 31 at the moment, the main gas channel 1 is blocked by the second valve body 32, the gas does not enter the detection cavity any more, when the humidity of the waste gas is reduced below the threshold value again, the electromagnetic valve 7 is closed again, at the moment, under the driving of the resetting mechanism 6, the gas return channel 2 is closed again by the first valve body 31, and the main gas channel 1 is opened by the second valve body 32 for normal detection.
It should be understood that the return gas path may be connected to the dehumidification means or the exhaust gas rather than being directly vented, wherein the exhaust duct 53 is also in communication with the exhaust gas source or other exhaust gas treatment means rather than being directly vented.
This application can monitor the humidity in the waste gas in real time to change gas path, can not exceed the threshold value with the humidity of guaranteeing follow-up flow.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (4)
1. A monitoring device for exhaust gas treatment is characterized by comprising a gas monitor; and
the gas transmission device comprises a main gas channel, one end of the main gas channel is used for connecting an exhaust gas source, the other end of the main gas channel is connected with the gas monitor, the middle part of the main gas channel is communicated with a gas return pipeline, a first valve body and a second valve body are arranged in the main gas channel, the first valve body seals the gas return pipeline, the second valve body opens the main gas channel, the second valve body is arranged on one side of the gas return pipeline close to the gas monitor,
the gas transmission device also comprises a control air passage, one end of the control air passage is communicated with a main gas pipe and is positioned at one side of the gas return pipe close to the waste gas source, one end of the control air passage far away from the main gas passage is respectively communicated with a first gas cavity and a second gas cavity, a valve core of the first valve body is arranged in the first gas cavity, a valve core of the second valve body is arranged in the second gas cavity, when the first gas cavity is ventilated, gas can drive the valve core of the first valve body to drive the first valve body to open the gas return pipe, when the second gas cavity is ventilated, gas can drive the valve core of the second valve body to drive the second valve body to close the main gas passage, the valve core of the first valve body and the valve core of the second valve body are both connected with a reset mechanism, an electromagnetic valve is arranged in the control air passage, a humidity sensor is arranged in the control air passage, and the humidity sensor is positioned at one side of the electromagnetic, when the humidity sensor detects that the humidity is larger than a threshold value, the electromagnetic valve opens the control air passage.
2. The monitoring device for exhaust gas treatment according to claim 1, wherein the gas return pipe is connected to the bottom of the main gas passage, the first valve body is sealingly inserted into a joint of the gas return pipe and the main gas passage, the valve core of the first valve body comprises a connecting rod and a plug, the plug is connected to the first valve body through the connecting rod and can slide up and down in the first gas chamber, the control gas passage is communicated with the bottom end of the first gas chamber, the top end of the first gas chamber is provided with an exhaust passage, and the resetting mechanism is used for driving the plug to reset.
3. The monitoring device for exhaust gas treatment according to claim 1, wherein a gap is left between the bottom of the second valve body and the bottom of the main gas passage, the bottom of the second valve body can abut against the bottom of the main gas passage to close the main gas passage, the valve core of the second valve body comprises a connecting rod and a plug, the plug is connected with the second valve body through the connecting rod and can slide up and down in the second gas chamber, the control gas passage is communicated with the top end of the second gas chamber, an exhaust passage is arranged at the bottom end of the second gas chamber, and the resetting mechanism is used for driving the plug to reset.
4. A monitoring device for exhaust treatment according to claim 2 or 3, wherein the return mechanism is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921376076.9U CN210566450U (en) | 2019-08-23 | 2019-08-23 | Monitoring device for waste gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921376076.9U CN210566450U (en) | 2019-08-23 | 2019-08-23 | Monitoring device for waste gas treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210566450U true CN210566450U (en) | 2020-05-19 |
Family
ID=70641993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921376076.9U Active CN210566450U (en) | 2019-08-23 | 2019-08-23 | Monitoring device for waste gas treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210566450U (en) |
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2019
- 2019-08-23 CN CN201921376076.9U patent/CN210566450U/en active Active
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