CN205941108U - Gas sampling preprocessing device - Google Patents
Gas sampling preprocessing device Download PDFInfo
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- CN205941108U CN205941108U CN201620775047.XU CN201620775047U CN205941108U CN 205941108 U CN205941108 U CN 205941108U CN 201620775047 U CN201620775047 U CN 201620775047U CN 205941108 U CN205941108 U CN 205941108U
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- handover module
- valve
- gas
- pretreatment unit
- gas sampling
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Abstract
The utility model relates to a gas sampling preprocessing device, preprocessing device includes: first switching module, first switching module is used for making its outlet selection nature ground intercommunication sample gas entry or clean gas entry, the second switches the module, the second switch the module be used for making its outlet selection nature ground intercommunication mark gas entry, zero gas entry or the export of first switching module, first switching module with second switching module is concentrated and is arranged. The utility model has the advantages of compact structure, small, installation and maintain conveniently.
Description
Technical field
The utility model is related to gas pretreatment device, particularly to a kind of dense using sensor online flue gas VOCs
The pretreatment unit of degree.
Background technology
In flue gas on-line monitoring field, generally flue gas VOCs pretreatment system is integrated in large-scale rack, whole device body
Long-pending huge, all inconvenient for pinnacled chimney or aiutage I＆M.Additionally, being supervised online using sensor
When surveying gas VOCs concentration, various problems usually occur, such as：Moisture in sample gas leads to gas sensor to be reported by mistake, sensor
Contact high concentration sample gas and be poisoned, sensor fluctating, amount drift the problems such as.
Utility model content
In order to solve the deficiency in above-mentioned prior art, the utility model provides a kind of compact conformation, integrated level
Height, small volume, easy for installation, and there is the gas of the functions such as refrigerated dehumidification, blocking monitoring, sensor cleaning, pick up calibration
Sampling pretreatment device.
The purpose of this utility model is achieved through the following technical solutions：
A kind of gas sampling pretreatment unit, described pretreatment unit includes：
First handover module, described first handover module is used for connecting sample gas inlet or cleaning gas with making its egress selection
Entrance；
Second handover module, described second handover module is used for connecting gas entrance with making its egress selection, zero gas enters
Mouth or described first handover module outlet；
Described first handover module and described second handover module centralized arrangement.
According to above-mentioned gas sampling pretreatment unit it is preferable that described first handover module switches mould with described second
Block centralized arrangement is on a metal plate.
According to above-mentioned gas sampling pretreatment unit, alternatively, described first handover module includes：Control sample gas inlet
First valve of break-make and the second valve controlling cleaning gas entrance break-make.
According to above-mentioned gas sampling pretreatment unit it is preferable that described first valve and the second valve are same valve
Door, this valve is triple valve.
According to above-mentioned gas sampling pretreatment unit, alternatively, described second handover module includes：Control described first
3rd valve of handover module and described second handover module break-make, the 4th valve controlling gas entrance break-make and control zero gas
5th valve of entrance break-make.
According to above-mentioned gas sampling pretreatment unit it is preferable that described 4th valve and the 5th valve are same valve
Door, this valve is triple valve.
According to above-mentioned gas sampling pretreatment unit, alternatively, described first handover module, sampling pump, condenser and
Second handover module is sequentially connected by pipeline.
According to above-mentioned gas sampling pretreatment unit, alternatively, described first handover module, sampling pump and the second switching
Module is sequentially connected by pipeline.
According to above-mentioned gas sampling pretreatment unit it is preferable that described sample gas inlet and/or cleaning gas entrance and filtration
Device is connected.
Compared with prior art, the utility model have the advantage that for：
1st, the first handover module and the second handover module are concentrated and are fixed on the same area (as metallic plate by the utility model
On) so that whole gas sampling pretreatment unit compact conformation, small volume, I＆M are convenient, be suitable to and gas sensor
It is used in formula analysis meter in place.
2nd, the utility model passes through the introducing of the first handover module and the second handover module, is provided with multiple gas accesses,
Pretreatment unit is made to have the functions such as refrigerated dehumidification, blocking monitoring, sensor cleaning, pick up calibration.
3rd, the utility model purges refrigerated dehumidification by malleation, and the discharge outlet of condenser is in positive pressure ventilation outlet, condensation
Water is automatically drained out without using pumping water.
Brief description
Referring to the drawings, disclosure of the present utility model will be easier to understand.Skilled addressee readily understands that
It is：These accompanying drawings are used only for illustrating the technical solution of the utility model, and are not intended to protection of the present utility model
Scope is construed as limiting.In figure：
Fig. 1 is the structural representation of the gas sampling pretreatment unit of the utility model embodiment 1；
Fig. 2 is the structural representation of the gas sampling pretreatment unit of the utility model embodiment 2.
Specific embodiment
Fig. 1-2 and following description describe optional embodiment of the present utility model how to instruct those skilled in the art
Implement and reproduce the utility model.In order to instruct technical solutions of the utility model, some conventional aspects are simplified or have eliminated.This
Skilled person should be appreciated that will be in the range of the utility model from the modification of these embodiments or replacement.This area
Technical staff should be appreciated that following characteristics can combine in every way to form multiple modification of the present utility model.Thus, originally
Utility model is not limited to following embodiments, and is only limited by claim and their equivalent.
Embodiment 1
Fig. 1 schematically illustrates the structure diagram of the gas sampling pretreatment unit of the present embodiment, as shown in figure 1, institute
State gas sampling pretreatment unit to include：
Sampling pump, condenser, flowmeter and gas sensor；
First handover module, described first handover module is used for connecting sample gas inlet or cleaning gas with making its egress selection
Entrance；
Second handover module, described second handover module is used for connecting gas entrance with making its egress selection, zero gas enters
Mouth or described first handover module outlet；
Described first handover module and described second handover module centralized arrangement.
Further, described first handover module includes：Control the first valve of sample gas inlet break-make and control cleaning gas
Second valve of entrance break-make；Described second handover module includes：Control described first handover module and described second switching mould
3rd valve of block break-make, the 4th valve controlling gas entrance break-make and the 5th valve controlling zero gas entrance break-make.
In order to remove the moisture in sample gas, monitor the circulation situation of gas circuit, therefore：
Further, described first handover module, sampling pump, condenser, the second handover module and flowmeter are sequentially connected,
Enter gas sensor after the dehumidifying of sample gas condensed device, flowmeter measurement, if flowmeter detects flow and is less than critical value, sentence
Determine airway blockage.
Further, filter is set before described sample gas inlet and/or cleaning gas entrance, filters the particle in gas
Thing, prevents airway blockage.
Compared with prior art, the present embodiment has an advantage that：First handover module and second are switched by the utility model
Module is concentrated and is fixed on the same area so that whole gas sampling pretreatment unit compact conformation, small volume, I＆M side
Just；Handover module arranges multiple gas accesses, gas sensor can be carried out, traffic alignment etc..
Embodiment 2
Sampling pretreatment device according to the utility model embodiment 1 monitors the application examples in field in flue gas VOCs.
As shown in Fig. 2 in this application examples, the first valve in the first handover module and the second valve are same valve
(as triple valve E1), the second handover module includes：Control the valve E3 of gas entrance break-make, control the valve of zero gas entrance break-make
E4, connection valve E3, valve E4, the second handover module outlet, the valve E2 of the first handover module outlet；Triple valve E1 outlet according to
Secondary connection sampling pump, condenser and triple valve E2.
Sample gas inlet is passed through the sample gas being filtered and carries out concentration monitor, and cleaning gas entrance is air intake, can lead to
Enter the air being filtered gas sensor is carried out；Gas entrance or zero gas entrance can be passed through, and can be passed through gas
Or zero gas zero point correction and range calibration are carried out to gas sensor.Condenser in this application examples is electronic condenser, sampling
Pump can automatically adjust to sample rate according to the flow signal of flowmeter.
Embodiment 3
Present embodiments provide a kind of gas sampling pretreatment unit, as different from Example 1：
Described first handover module outlet, sampling pump, the second handover module, condenser and flowmeter are sequentially connected, that is,
After condenser is arranged on the second handover module.
Embodiment 4
Present embodiments provide a kind of gas sampling pretreatment unit, as different from Example 1：
The 4th valve controlling the 4th entrance break-make and the 5th valve controlling the 5th entrance break-make are same valve, should
Valve is triple valve.
Claims (9)
1. a kind of gas sampling pretreatment unit it is characterised in that：Described pretreatment unit includes：
First handover module, described first handover module is used for connecting sample gas inlet with making its egress selection or cleaning gas enters
Mouthful；
Second handover module, described second handover module be used for connecting with making its egress selection gas entrance, zero gas entrance or
Described first handover module outlet；
Described first handover module and described second handover module centralized arrangement.
2. gas sampling pretreatment unit according to claim 1 it is characterised in that：Described first handover module with described
Second handover module centralized arrangement is on a metal plate.
3. gas sampling pretreatment unit according to claim 1 it is characterised in that：Described first handover module includes：
Control the first valve of sample gas inlet break-make and the second valve controlling cleaning gas entrance break-make.
4. gas sampling pretreatment unit according to claim 3 it is characterised in that：Described first valve and the second valve
For same valve, this valve is triple valve.
5. gas sampling pretreatment unit according to claim 1 it is characterised in that：Described second handover module includes：
Control the 3rd valve that described first handover module is with described second handover module break-make, the 4th valve of control gas entrance break-make
Door and the 5th valve controlling zero gas entrance break-make.
6. gas sampling pretreatment unit according to claim 5 it is characterised in that：Described 4th valve and the 5th valve
For same valve, this valve is triple valve.
7. gas sampling pretreatment unit according to claim 1 it is characterised in that：Described first handover module, sampling
Pump, condenser and the second handover module are sequentially connected by pipeline.
8. gas sampling pretreatment unit according to claim 1 it is characterised in that：Described first handover module, sampling
Pump and the second handover module are sequentially connected by pipeline.
9. gas sampling pretreatment unit according to claim 1 it is characterised in that：Described sample gas inlet and/or cleaning
Gas entrance is connected with filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620775047.XU CN205941108U (en) | 2016-07-21 | 2016-07-21 | Gas sampling preprocessing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620775047.XU CN205941108U (en) | 2016-07-21 | 2016-07-21 | Gas sampling preprocessing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941108U true CN205941108U (en) | 2017-02-08 |
Family
ID=57925969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620775047.XU Active CN205941108U (en) | 2016-07-21 | 2016-07-21 | Gas sampling preprocessing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205941108U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541141A (en) * | 2018-11-27 | 2019-03-29 | 汇众翔环保科技股份有限公司 | A kind of small air mass monitoring system and analysis method |
| CN110133181A (en) * | 2019-03-29 | 2019-08-16 | 上海复纯环保科技有限公司 | A kind of foul gas on-Line Monitor Device |
-
2016
- 2016-07-21 CN CN201620775047.XU patent/CN205941108U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541141A (en) * | 2018-11-27 | 2019-03-29 | 汇众翔环保科技股份有限公司 | A kind of small air mass monitoring system and analysis method |
| CN110133181A (en) * | 2019-03-29 | 2019-08-16 | 上海复纯环保科技有限公司 | A kind of foul gas on-Line Monitor Device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |