CN207280994U - Combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device - Google Patents
Combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device Download PDFInfo
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- CN207280994U CN207280994U CN201721021819.1U CN201721021819U CN207280994U CN 207280994 U CN207280994 U CN 207280994U CN 201721021819 U CN201721021819 U CN 201721021819U CN 207280994 U CN207280994 U CN 207280994U
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- drying chamber
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Abstract
The utility model discloses a kind of combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device, the forming machine includes drying chamber and exhaust fan on drying chamber and the natural gas combustor of heat source is provided in drying chamber and to drying chamber；The exhaust fan is connected with the inner cavity of drying chamber, the combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device includes control main frame and at least one methane gas sensor, the methane gas sensor is installed on the interior intracavitary of drying chamber, and each methane gas sensor is electrically connected with control main frame.The controller of fan of the exhaust fan, the combustion controller of natural gas combustor are electrically connected with the control main frame respectively, the methane gas sensor is installed on the top of natural gas combustor, and the control main frame is electrically connected by guard grating with each methane gas sensor.The utility model can ensure that the methane gas in forming machine drying chamber is in the range of safe concentration, eliminate methane detonation hidden danger, ensure the person and equipment safety.
Description
Technical field
A kind of methane gas leakage on-line measuring device is the utility model is related to, is determined more particularly to a kind of direct-fired combustion gas
The on-line measuring device that methane gas leaks in type machine drying chamber, belongs to flammable explosive gas detection technique field.
Background technology
Forming machine is one of key equipment of textile printing and dyeing enterprises indispensability, and based on natural gas direct combustion Hot-blast Heating technology
Forming machine, i.e., direct-fired combustion gas forming machine be textile printing and dyeing industry energy-saving and emission-reduction, develop low-carbon economy preferred unit, it is at different levels
Department vigorously promotes the use.
The main component of natural gas is methane, and methane is a kind of inflammable and explosive, colorless and odorless gas, when methane and air
When proportionately mixes, meeting spark can then explode.
At present, although the combustion of natural gas control system of direct-fired combustion gas forming machine possesses following functions：Pre-purge, is automatic
The measures such as igniting, flame security detection, temperature automatically controlled, blast switch monitoring circuit and Low Pressure Gas Network protection, but these are arranged
Apply the methane gas not ensured that in forming machine drying chamber to be in the range of safe concentration, for example prepurge is to set a pre-blowing
Flyback time, within the period, purging, exclude in forming machine drying chamber by last time loss of ignition or the insufficient first formed of burning
Alkane fuel gas, but the effect of prepurge is not detected after pre-purging, it cannot be excluded in drying chamber also certain dense
The methane gas of degree, and there are the possibility of detonation；Blast switch monitoring circuit once deviates setting value, be easy to cause tempering, makes
Into imperfect combustion, the steady operation of burner is influenced, mixing arrangement burns to deform or even burns crack, if tempering is possible to
Generation explosion accident.Therefore, existing combustion gas forming machine lacks the on-line checking dress of methane gas in direct forming machine drying chamber
Put, the methane under a certain concentration and the easy detonation of air gas mixture, there are security risk.
The content of the invention
The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide one kind to can ensure that forming machine dries
Methane gas in room is in the range of safe concentration, eliminates methane detonation hidden danger in drying chamber, ensures the person and equipment safety
Combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device.
In order to solve the above technical problems, the utility model is examined online using such a combustion gas forming machine methane oxidizing archaea intrinsic safety
Device is surveyed, the forming machine includes drying chamber and exhaust fan on drying chamber and provided in drying chamber and to drying chamber
The natural gas combustor of heat source；The exhaust fan is connected with the inner cavity of drying chamber, which is originally positioned on
Line detector includes control main frame and at least one methane gas sensor, and the methane gas sensor is installed on drying chamber
Interior intracavitary, and each methane gas sensor is electrically connected with control main frame.
In the utility model, the controller of fan of the exhaust fan, the combustion controller difference of natural gas combustor
It is electrically connected with the control main frame, the methane gas sensor is installed on the top of natural gas combustor, the control main frame
It is electrically connected by guard grating with each methane gas sensor.
As a kind of preferred embodiment of the utility model, the combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device
Audible-visual annunciator is further included, the audible-visual annunciator is electrically connected with the control main frame.
In the utility model, the control main frame is preferably embedded system controller or industry control with man-machine interface
Machine or DDC digitial controllers.
With the above structure, the utility model has the advantages that：
The utility model sets methane gas sensor in drying chamber, and methane gas sensor gathers forming machine drying chamber in real time
Interior methane concentration, its electric signal exported are carried out the electric signal of acquisition by guard grating feed-in control main frame, control main frame
Processing obtains methane concentration and acquisition time is stored in itself memory module, and calculates methane using Fuzzy Logic Reasoning Algorithm
The change rate of concentration, and then calculate and meet hot fried danger coefficient.Control main frame output warning concentration, power-off required concentration, telegram in reply are dense
The equipment such as degree and power-off scope electric signal control combustion controller completes corresponding control logic, when concentration of methane gas is in not
During safe concentration scope, control main frame alarms to operating personnel and opens exhaust fan, closes the control such as natural gas air inlet main valve
Linkage, eliminates methane detonation hidden danger in forming machine drying chamber, it is ensured that the person and equipment safety.
The utility model is simple in structure, easy to implement, substantially increases the security performance of forming machine.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
Fig. 1 is a kind of structure diagram of the utility model combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device.
Embodiment
A kind of combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device shown in Figure 1, the forming machine include drying
Room 1 and the exhaust fan 2 on drying chamber 1 and natural gas combustor interior installed in drying chamber 1 and that heat source is provided to drying chamber 1
3；The drying chamber 1 be fabric 7 heat up, the quasi- closed box of setting process, the exhaust fan 2 is connected with the inner cavity of drying chamber 1
Logical, which includes control main frame 4 and at least one methane gas sensor
5, the methane gas sensor 5 is installed on the interior intracavitary of drying chamber 1, and each methane gas sensor 5 is electrically connected with control main frame 4
Connect.The methane gas sensor 5 of the utility model is preferably intrinsic safety high temperature modification methane gas sensor.The control main frame 4 is excellent
Elect embedded system controller or industrial personal computer or DDC digitial controllers with man-machine interface as.
In the utility model, the controller of fan of the exhaust fan 2, the combustion controller 3a of natural gas combustor 3
It is electrically connected respectively with the control main frame 4, the combustion controller 3a preferably uses program controller, the methane gas sensor 5
Installed in the top of natural gas combustor 3, a methane gas sensor 5, methane gas are set as shown in Figure 1, often saving in drying chamber 1
Body sensor 5 is placed in the surface vertical hanging of the natural gas combustor 3 of every section drying chamber 1, and the control main frame 4 passes through guard grating
It is electrically connected with each methane gas sensor 5.The control main frame 4 is that intrinsic safety high temperature modification methane gas sensor 5 exports signal
The host of reception, processing and controlling alarm.
As a kind of preferred embodiment of the utility model, as shown in Figure 1, the combustion gas forming machine methane oxidizing archaea is originally positioned on
Line detector further includes audible-visual annunciator 6, and the audible-visual annunciator 6 is electrically connected with the control main frame 4.
During utility model works, methane gas sensor 5 gathers the methane concentration in forming machine drying chamber 1 in real time, it becomes
The electric signal of output is sent by the electric signal of acquisition handle by guard grating feed-in control main frame 4,4 processor of control main frame
It is stored in methane concentration and acquisition time in itself memory module, and methane concentration is calculated using Fuzzy Logic Reasoning Algorithm
Change rate, and then calculate and meet hot fried danger coefficient.Control main frame 4 exports warning concentration, power-off required concentration, telegram in reply concentration and breaks
The equipment such as electric scope electric signal control combustion controller 3 complete corresponding control logic, with exhaust fan 2, natural gas combustor 3
The control such as natural gas air inlet main valve linkage, when concentration of methane gas is in dangerous concentration range, control main frame 4 is to operation
Personnel alarm and open exhaust fan 2, close the controls such as natural gas air inlet main valve linkage, eliminate the methane in forming machine drying chamber 1
Detonation hidden danger, it is ensured that the safety of the person and equipment.
By on probation, concentration of methane gas in the utility model detection combustion gas forming machine drying chamber, there is provided concentration of methane gas
Exceeded alarm, power-off required concentration, telegram in reply concentration and power-off scope electric signal, close non-intrinsic safety electrical appliance, eliminate methane detonation hidden danger.
Claims (4)
1. a kind of combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device, the forming machine include drying chamber（1）With installed in baking
Room（1）On exhaust fan（2）And installed in drying chamber（1）It is interior and to drying chamber（1）The natural gas combustor of heat source is provided（3）；
The exhaust fan（2）With drying chamber（1）Inner cavity be connected, it is characterised in that：The combustion gas forming machine methane oxidizing archaea intrinsic safety is online
Detection device includes control main frame（4）With at least one methane gas sensor（5）, the methane gas sensor（5）Installation
In drying chamber（1）Interior intracavitary, and each methane gas sensor（5）With control main frame（4）It is electrically connected.
2. combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device according to claim 1, it is characterised in that：The row
Wind wind turbine（2）Controller of fan, natural gas combustor（3）Combustion controller（3a）Respectively with the control main frame（4）Electricity
Connection, the methane gas sensor（5）Installed in natural gas combustor（3）Top, the control main frame（4）Pass through safety
Grid and each methane gas sensor（5）It is electrically connected.
3. combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device according to claim 1, it is characterised in that：The combustion gas
Forming machine methane oxidizing archaea intrinsic safety on-line measuring device further includes audible-visual annunciator（6）, the audible-visual annunciator（6）With the control
Host（4）It is electrically connected.
4. the combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device according to claim 1 or 2 or 3, it is characterised in that：
The control main frame（4）For the embedded system controller with man-machine interface or industrial personal computer or DDC digitial controllers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721021819.1U CN207280994U (en) | 2017-08-16 | 2017-08-16 | Combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721021819.1U CN207280994U (en) | 2017-08-16 | 2017-08-16 | Combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207280994U true CN207280994U (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721021819.1U Active CN207280994U (en) | 2017-08-16 | 2017-08-16 | Combustion gas forming machine methane oxidizing archaea intrinsic safety on-line measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237797A (en) * | 2018-08-06 | 2019-01-18 | 广东三技克朗茨机械科技有限公司 | Forming machine heated by natural gas safety protection control method |
-
2017
- 2017-08-16 CN CN201721021819.1U patent/CN207280994U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237797A (en) * | 2018-08-06 | 2019-01-18 | 广东三技克朗茨机械科技有限公司 | Forming machine heated by natural gas safety protection control method |
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