CN208998118U - A kind of methane-generating pit torch ignitor - Google Patents
A kind of methane-generating pit torch ignitor Download PDFInfo
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- CN208998118U CN208998118U CN201821739990.0U CN201821739990U CN208998118U CN 208998118 U CN208998118 U CN 208998118U CN 201821739990 U CN201821739990 U CN 201821739990U CN 208998118 U CN208998118 U CN 208998118U
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- tower body
- torch
- igniter
- plc controller
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Abstract
The utility model discloses a kind of methane-generating pit torch ignitors, including roots blower, torch tower body and control system, the roots blower is connect by air supply tube with torch tower body, torch tower body side is equipped with centrifugal blower, the air outlet of centrifugal blower accesses torch tower body bottom, torch tower body bottom is equipped with purging motor, igniter is equipped at the top of torch tower body, the side wall of torch tower body is equipped with the purplish red outer flame scanner and armoured thermocouple matched with igniter, the control system includes PLC controller, frequency converter and high-energy igniter, PLC controller is connect by frequency converter with roots blower, PLC controller also passes through high-energy igniter and connect with igniter.The utility model is responsible for biogas by setting roots blower and provides power source, to meet air pressure requirement when biogas combustion；Simultaneously by two groups of pressure transmitters of setting, it can be used for detecting the pressure change of biogas, to realize automatic ignition.
Description
Technical field
The utility model relates to biogas firing technique fields, more particularly to a kind of methane-generating pit torch ignitor.
Background technique
The main component of biogas is methane, general 55%-70% of the total volume, carbon dioxide 30%- of the total volume
45%, other several gas contents are usually no more than the 2% of total volume.Since methane is a kind of flammable explosive gas, explosion
For the limit between 5%~15%, current biogas combustion mostly uses greatly biogas pipeline air burning to discharge.But existing processing biogas
Method easily cause the de- fire of biogas combustion, the problems such as tempering, incomplete combustion over-emitting black exhaust, firedamp drainage ambient enviroment is caused
Adverse effect.
Summary of the invention
The purpose of this utility model is to provide a kind of methane-generating pits that can guarantee the abundant combustion gas of biogas and not will cause tempering
Torch ignitor.
The purpose of this utility model is achieved through the following technical solutions:
A kind of methane-generating pit torch ignitor, including roots blower, torch tower body and control system, the roots blower are logical
It crosses air supply tube to connect with torch tower body, check-valves, pressure transmitter, pressure gauge, butterfly valve, flow is successively arranged in the air supply tube
Meter, solenoid valve and temperature transmitter, the air supply tube between flowmeter and solenoid valve are equipped with branch pipe, and torch tower body side is set
There is centrifugal blower, the air outlet of centrifugal blower accesses torch tower body bottom, and torch tower body bottom is equipped with purging motor, and purges wind
Machine is located in the flare tower body below air supply tube, and igniter is equipped at the top of torch tower body, and igniter includes burner, igniting
Electrode and high-tension cable, the branch pipe are connect with burner, and ignitor is mounted on burner internal, are connected on ignitor
High-tension cable, the side wall of torch tower body are equipped with the purplish red outer flame scanner and armoured thermocouple that match with igniter,
The control system includes PLC controller, frequency converter and high-energy igniter, and PLC controller is connected by frequency converter and roots blower
It connects, PLC controller also passes through high-energy igniter and connect with high-tension cable, the pressure transmitter, flowmeter, solenoid valve and temperature
Transmitter is connect with PLC controller.
The branch pipe is equipped with two groups of switch valve groups in parallel, and the switch valve group includes normally opened ball valve, normally opened shut-off valve
And normally closed cut-off valve, there are two normally opened shut-off valves, and normally opened ball valve and two groups of normally opened shut-off valves are sequentially connected in series, the normally closed cut-off valve
It is in parallel with normally opened ball valve and two groups of normally opened shut-off valves.
Be equipped with purplish red outer flame scanner and armoured thermocouple in every group of switch valve group, and purplish red outer flame scanner and
Armoured thermocouple is connect with PLC controller.
The pressure transmitter has two groups, and two groups of pressure transmitters are separately mounted to the air inlet and air outlet of roots blower
Place, and two groups of pressure transmitters are connect with PLC controller.
The utility model has the effect that
(1) it by setting roots blower, is responsible for biogas and power source is provided, to meet air pressure requirement when biogas combustion；
(2) by two groups of pressure transmitters of setting, it can be used for detecting the pressure change of biogas, to realize automatic ignition；
(3) it by the way that branch pipe is arranged on snorkel, lights a fire using biogas to burner, improves the utilization of biogas
Rate；
(4) by the way that purplish red outer flame scanner and armoured thermocouple is arranged, it can detect the combustion case of biogas, to avoid going out
De- fire and tempering phenomenon when existing biogas combustion；
(5) by setting centrifugal blower and purging motor, the intracorporal gas of tower can be replaced, in adjusting tower body
Temperature.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the connection schematic diagram that the utility model switchs valve group.
Fig. 3 is the structural schematic diagram of the utility model igniter.
Fig. 4 is the connection block diagram of the utility model control system.
Appended drawing reference: 1, roots blower；2, air supply tube；21, check-valves；22, pressure transmitter；23, pressure gauge；24, butterfly
Valve；25, flowmeter；26, solenoid valve；27, temperature transmitter；28, branch pipe；3, valve group is switched；31, normally opened ball valve；32, normally opened section
Only valve；33, normally closed cut-off valve；4, torch tower body；41, centrifugal blower；42, purging motor；5, igniter；51, burner；
52, ignitor；53, high-tension cable；6, purplish red outer flame scanner；7, armoured thermocouple；8, control system；81, PLC is controlled
Device；82, frequency converter；83, high-energy igniter.
Specific embodiment
Embodiment
As shown in Figure 1 to 4, methane-generating pit torch ignitor provided in this embodiment includes roots blower 1, torch tower body
4 and control system 8, the roots blower 1 is connect by air supply tube 2 with torch tower body 4, is successively arranged only in the air supply tube 2
Return valve 21, pressure transmitter 22, pressure gauge 23, butterfly valve 24, flowmeter 25, solenoid valve 26 and temperature transmitter 27, the pressure
Transmitter 22 has two groups, and two groups of pressure transmitters 22 are separately mounted at the air inlet and air outlet of roots blower 1, flowmeter 25
Air supply tube 2 between solenoid valve 26 is equipped with branch pipe 28, and the branch pipe 28 is equipped with two groups of switch valve groups 3 in parallel, described
Switching valve group 3 includes normally opened ball valve 31, normally opened shut-off valve 32 and normally closed cut-off valve 33, and there are two normally opened shut-off valves 32, normally opened ball
Valve 31 and two groups of normally opened shut-off valves 32 are sequentially connected in series, the normally closed cut-off valve 33 and normally opened ball valve 31 and two groups of normally opened shut-off valves 32
Parallel connection, the torch tower body 4 are cylindrical tower body, and 4 inner wall of torch tower body is lined with by pyroceram fibre and light-weight refractory spray
Coating composition, 4 side of torch tower body are equipped with centrifugal blower 41, and the air outlet of centrifugal blower 41 accesses 4 bottom of torch tower body, torch
4 bottom of tower body is equipped with purging motor 42, and purging motor 42 is located in the torch tower body 4 of 2 lower section of air supply tube, and torch tower body 4 pushes up
Portion is equipped with igniter 5, and igniter 5 includes burner 51, ignitor 52 and high-tension cable 53, the branch pipe 28 and burning
Device 51 connects, and ignitor 52 is mounted on inside burner 51, and high-tension cable 53, torch tower body 4 are connected on ignitor 52
Side wall be equipped with two purplish red outer flame scanners 6 and two armouring thermoelectricity that the switch valve groups 3 in parallel with two groups match
Even 7, the control system 8 includes PLC controller 81, frequency converter 82 and high-energy igniter 83, the model of the PLC controller 81
PLC controller 81 for SIEMENS PLC S7-1200, the model supports profinet communications protocol (tcp/ip), has communication
Function, PLC controller 81 are connect by frequency converter 82 with roots blower 1, and PLC controller 81 also passes through high-energy igniter 83 and height
Voltage cable 53 connects, 27, two two groups of pressure transmitters 22, flowmeter 25, solenoid valve 26, temperature transmitter purplish red outer fire
Flame detector 6 and two armoured thermocouples 7 are connect with PLC controller 81.
The application method of the utility model is:
Biogas pipe is connect by worker with the air inlet of roots blower 1, carries out boosting and flow to biogas by roots blower 1
After adjusting, biogas is divided by two-way by solenoid valve 26, all the way ignite gas source of the biogas as igniter 5, another way enters
It is burned in torch tower body 4；Enter branch pipe 28 as the ignite biogas of gas source of igniter 5, passes through two groups of switches on branch pipe 28
Valve group 3 enters burner 51, and worker carries out manual ignition, when manual ignition, high-energy igniter by high-energy igniter 83 at this time
83 high-voltage electricity generated are delivered to ignitor 52 through high-tension cable 53, and 52 discharge igniting ignition burner 51 of ignitor sprays
Biogas, solenoid valve 26 is opened under the program that PLC controller 81 is finished in advance at this time, by another way burn gas source be put into fire
In torch tower body 4, when solenoid valve 26 is opened, program that centrifugal blower 41 and purging motor 42 are edited in advance according to PLC controller 81
Starting, the gas source of burning is blowed to burner 51 and is burnt, in torch tower body 4 when centrifugal blower 41 and purging motor 42 work
Gas replaced, while adjusting the temperature in torch tower body 4；When biogas combustion, purplish red outer flame scanner 6 and armouring heat
Galvanic couple 7 monitors the case where biogas combustion；Biogas is after the boosting of roots blower 1 and flow are adjusted, if worker is not in PLC controller
At 81, the firedamp drainage signal and purplish red outer flame scanner 6 that PLC controller 81 is detected according to two pressure transmitters 22 are not
After detecting flare up fire, PLC controller 81 controls igniter 5 and carries out automatic ignition, when automatic ignition, PLC controller 81
It opens purging motor 42 and first purges 1min, then PLC controller 81 opens solenoid valve 26, is also turned on high-tension cable 53 to control
Ignitor 52 is lighted a fire, and after purplish red outer flame scanner 6 detects that burner 51 catches fire, PLC controller 81 stops automatic point
Fire, if first time automatic ignition failure (being determined according to the signal that purplish red outer flame scanner 6 detects), PLC controller 81 exists
Gap carries out lighting a fire for second automatically after 5 seconds, if cannot continuously light three times, 81 halt of PLC controller, which is fought, issues failure
Alarm.
The above is only the utility model preferred embodiment, but the protection scope of the utility model is not limited to
This, any transformation carried out based on technical solution provided by the utility model and inventive concept and replacement should all be covered in this reality
With in novel protection scope.
Claims (4)
1. a kind of methane-generating pit torch ignitor, it is characterised in that: described including roots blower, torch tower body and control system
Roots blower is connect by air supply tube with torch tower body, and check-valves, pressure transmitter, pressure are successively arranged in the air supply tube
Table, butterfly valve, flowmeter, solenoid valve and temperature transmitter, the air supply tube between flowmeter and solenoid valve are equipped with branch pipe, the fire
Torch tower body side is equipped with centrifugal blower, and the air outlet of centrifugal blower accesses torch tower body bottom, and torch tower body bottom is equipped with purging
Blower, and purging motor is located in the flare tower body below air supply tube, and igniter, igniter packet are equipped at the top of torch tower body
Burner, ignitor and high-tension cable are included, the branch pipe is connect with burner, and ignitor is mounted on burner internal, point
Thermoelectricity extremely on be connected with high-tension cable, the side wall of torch tower body is equipped with the purplish red outer flame scanner matched with igniter
And armoured thermocouple, the control system include PLC controller, frequency converter and high-energy igniter, PLC controller passes through frequency converter
Connect with roots blower, PLC controller also passes through high-energy igniter and connect with high-tension cable, the pressure transmitter, flowmeter,
Solenoid valve and temperature transmitter are connect with PLC controller.
2. methane-generating pit torch ignitor according to claim 1, it is characterised in that: the branch pipe is equipped with two groups of parallel connections
Switch valve group, the switch valve group includes normally opened ball valve, normally opened shut-off valve and normally closed cut-off valve, and there are two normally opened shut-off valves,
Normally opened ball valve and two groups of normally opened shut-off valves are sequentially connected in series, and the normally closed cut-off valve and normally opened ball valve and two groups of normally opened shut-off valves are simultaneously
Connection.
3. methane-generating pit torch ignitor according to claim 2, it is characterised in that: be equipped with purple in every group of switch valve group
Infra red flame detector and armoured thermocouple, and purplish red outer flame scanner and armoured thermocouple are connect with PLC controller.
4. methane-generating pit torch ignitor according to claim 1, it is characterised in that: the pressure transmitter has two groups,
Two groups of pressure transmitters are separately mounted at the air inlet and air outlet of roots blower, and two groups of pressure transmitters are controlled with PLC
Device connection processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821739990.0U CN208998118U (en) | 2018-10-24 | 2018-10-24 | A kind of methane-generating pit torch ignitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821739990.0U CN208998118U (en) | 2018-10-24 | 2018-10-24 | A kind of methane-generating pit torch ignitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208998118U true CN208998118U (en) | 2019-06-18 |
Family
ID=66804782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821739990.0U Active CN208998118U (en) | 2018-10-24 | 2018-10-24 | A kind of methane-generating pit torch ignitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208998118U (en) |
-
2018
- 2018-10-24 CN CN201821739990.0U patent/CN208998118U/en active Active
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