CN205280633U - Detect control system based on PLC fuel gas heat value - Google Patents
Detect control system based on PLC fuel gas heat value Download PDFInfo
- Publication number
- CN205280633U CN205280633U CN201521066658.9U CN201521066658U CN205280633U CN 205280633 U CN205280633 U CN 205280633U CN 201521066658 U CN201521066658 U CN 201521066658U CN 205280633 U CN205280633 U CN 205280633U
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- gas
- screw thread
- combustion furnace
- blower fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Regulation And Control Of Combustion (AREA)
Abstract
The utility model discloses a detect control system based on PLC fuel gas heat value, including firing burning furnace, still include gas conveyor, the air transportation device, the point firearm, the flame detector, the furnace temperature detector, programmable controller, this detect control system based on PLC fuel gas heat value passes through PLC program control and starts, import the proportion of firing air among the burning furnace and can control gas conveyor to firing gas that burning furnace carried and air conveyor, thereby make fully burning of gas, avoid the gas waste and cause environmental pollution, and can detect out the calorific value of gas in the burning, thereby reach control gas input.
Description
Technical field
This utility model relates to a kind of fuel gases calorific value detector and control system, particularly relates to a kind of based on PLC fuel gases calorific value detecting and controlling system.
Background technology
Mostly China's current combustion stove is to adopt fuel gas buring heating, but traditional combustion furnace cannot accurately control the parameters such as the fuel value in combustion furnace, furnace temperature in combustion, and it is insufficient and cause the wasting of resources and environmental pollution easily to form fuel gas buring, in view of disadvantages described above, it is necessary that design is a kind of based on PLC fuel gases calorific value detecting and controlling system in fact.
Utility model content
Technical problem to be solved in the utility model is in that: provides a kind of based on PLC fuel gases calorific value detecting and controlling system, solves the parameters such as the uncontrollable fuel value in traditional combustion furnace, furnace temperature, and easily cause the problem that fuel gas buring is insufficient.
For solving above-mentioned technical problem, the technical solution of the utility model is: a kind of based on PLC fuel gases calorific value detecting and controlling system, including combustion furnace, also include fuel gas transmission device, air transport device, lighter, flame scanner, furnace temperature detector, Programmable Logic Controller, described fuel gas transmission device is positioned at combustion furnace left end, described fuel gas transmission device contains air inlet pipe, gas purifier, first blower fan, connecting tube, gas electromagnetic valve, first automatic pressure stabilizing valve, second connecting tube, first-class gauge, first thermometer, first Pressure gauge, described gas purifier is positioned at air inlet pipe right-hand member, described gas purifier is connected with air inlet pipe screw thread, the first described blower fan is positioned at gas purifier right-hand member, the first described blower fan is connected with gas purifier pipeline, described connecting tube is positioned at the first blower fan right-hand member, described connecting tube is connected with the first blower fan screw thread, described gas electromagnetic valve is positioned at connecting tube right-hand member, described gas electromagnetic valve is connected with connecting tube screw thread, the first described automatic pressure stabilizing valve is positioned at gas electromagnetic valve right-hand member, the first described automatic pressure stabilizing valve is connected with gas electromagnetic valve pipeline, the second described connecting tube is positioned at the first automatic pressure stabilizing valve right-hand member, and the second described connecting tube is positioned at bottom, combustion furnace, the second described connecting tube is connected with the first automatic pressure stabilizing valve and combustion furnace screw thread, described first-class gauge and the first described thermometer and the first described Pressure gauge are from left to right sequentially distributed in connecting tube top, described air transport device is positioned at combustion furnace left end, described air transport device contains the second blower fan, 3rd connecting tube, second automatic pressure stabilizing valve, 4th connecting tube, cross valve, gas-distributing pipe, second gauge, second thermometer, the 3rd described connecting tube is positioned at the second blower fan right-hand member, the 3rd described connecting tube is connected with the second blower fan screw thread, the second described automatic pressure stabilizing valve is positioned at the 3rd connecting tube right-hand member, the second described automatic pressure stabilizing valve and the 3rd connecting tube screw thread are connected, the 4th described connecting tube is positioned at the second automatic pressure stabilizing valve right-hand member, the 4th described connecting tube is connected with the second automatic pressure stabilizing valve screw thread, described cross valve is positioned at the 4th connecting tube right-hand member, described cross valve and the 4th connecting tube screw thread are connected, described gas-distributing pipe quantity is three, described gas-distributing pipe is positioned at cross valve right-hand member, and described gas-distributing pipe is distributed in top, combustion furnace, middle part and bottom, described gas-distributing pipe is connected with cross valve and combustion furnace screw thread, described second gauge is positioned at the 3rd connecting tube top, described second gauge and the 3rd connecting tube screw thread are connected, the second described thermometer is positioned at the 4th connecting tube top, the second described thermometer and the 4th connecting tube screw thread are connected, described lighter is positioned at furnace interior bottom, described lighter is connected with combustion furnace screw thread, described flame scanner is positioned at bottom, combustion furnace, described flame scanner is connected with combustion furnace screw thread, described furnace temperature detector is positioned at furnace interior, described furnace temperature detector is connected with combustion furnace screw thread, described Programmable Logic Controller is PLC, described Programmable Logic Controller and fuel gas transmission device, air transport device, lighter, flame scanner, furnace temperature detector circuit is connected.
Further, described gas purifier bottom is additionally provided with escape pipe, and described escape pipe is connected with gas purifier screw thread.
Further, the second described blower fan left end be additionally provided with drainage screen, described drainage screen and the second blower fan screw thread be connected.
Further, described top, combustion furnace is additionally provided with waste pipe, and described waste pipe is connected with combustion furnace screw thread.
Further, described waste pipe bottom is additionally provided with catalytic converter, and described catalytic converter is connected with waste pipe screw thread.
Compared with prior art, should based on PLC fuel gases calorific value detecting and controlling system, first the control program of fuel gas buring is write to Programmable Logic Controller, wherein fuel gas buring control the program setting input quantity of combustion gas and air, first blower fan, the startup program of the second blower fan and lighter, and maximum ignition times of set point firearm are 5 times, the first blower fan and the second blower fan is started by program, and gas electromagnetic valve automatically opens up, therefore the first blower fan can be input to bottom, combustion furnace by entering into the combustion gas after gas purifier purifies from air inlet pipe, and gas stabilized-pressure was processed by the first automatic pressure stabilizing valve by combustion gas before entering combustion furnace, the combustion gas entered in combustion furnace is made to be in stationary value, and control to enter the gas flow of combustion furnace by first-class gauge, by the second blower fan by extraneous air after filter screen filtration, by gas-distributing pipe, air is evenly supplied to bottom combustion furnace, middle part and top, and air passes through the flow of second gauge conservative control air before entering combustion furnace, and by the second automatic pressure stabilizing valve to air voltage stabilizing, air is made stably to be input in combustion furnace, when combustion gas and air enter in combustion furnace, combustion gas is lighted by lighter, if lighter is lighted a fire again when flame scanner is not detected by flame, so that fuel gas buring, if Programmable Logic Controller sounds the alarm when not putting always, gas electromagnetic valve is automatically switched off simultaneously, when combustion gas is lighted, the pressure of combustion gas is detected by the first Pressure gauge, when the pressure of combustion gas deviates programmed values, Programmable Logic Controller sounds the alarm, simultaneously close off gas electromagnetic valve, when the parameters of combustion gas and air all in program setting scope and combustion gas when burning, by the first thermometer, the temperature of the second thermometer detection air and combustion gas, detect ignition temperature in combustion furnace by furnace temperature detector simultaneously, thus reaching to detect the calorific value of fuel gas buring, when combustion gas flame in combustion stops stopping with the first blower fan and the second blower fan, gas electromagnetic valve is automatically switched off, and sound the alarm, thus can prevent combustion gas from leaking outside, after program completes, the first blower fan and the second blower fan are out of service, gas electromagnetic valve is automatically switched off, this fuel gases calorific value detector and control system, control to start by PLC program, and by the input quantity of program setting combustion gas and air, and the ratio of combustion gas and air is controlled by first-class gauge and second gauge, so that combustion gas can fully be burnt, avoid combustion gas waste and cause environmental pollution, and the combustion gas calorific value in burning can be detected, thus reaching to control combustion gas input quantity, and when breaking down in fuel gas buring process, gas electromagnetic valve can be automatically switched off, thus preventing combustion gas from leaking.
Accompanying drawing explanation
Fig. 1 is based on the topology view of PLC fuel gases calorific value detecting and controlling system
Fig. 2 is the structure chart of fuel gas transmission device
Fig. 3 is the structure chart of air transport device
Fig. 4 is based on the control flow chart of PLC fuel gases calorific value detecting and controlling system
Combustion furnace 1 fuel gas transmission device 2
Air transport device 3 lighter 4
Flame scanner 5 furnace temperature detector 6
Programmable Logic Controller 7 waste pipe 101
Catalytic converter 102 air inlet pipe 201
Gas purifier 202 first blower fan 203
Connecting tube 204 gas electromagnetic valve 205
First automatic pressure stabilizing valve 206 second connecting tube 207
First-class gauge 208 first thermometer 209
First Pressure gauge 2,010 second blower fan 301
3rd connecting tube 302 second automatic pressure stabilizing valve 303
4th connecting tube 304 cross valve 305
Gas-distributing pipe 306 second gauge 307
Second thermometer 308 escape pipe 20201
Drainage screen 30101
Following detailed description of the invention will further illustrate in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Hereinafter, multiple specific detail is elaborated, in order to provide the thorough understanding to the concept constituting described embodiment basis. But, it will be apparent to those skilled in the art that described embodiment can the practice when some or all in not having these specific detail. In other cases, it does not have specifically describe well-known process step.
Such as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, including combustion furnace 1, fuel gas transmission device 2, air transport device 3, lighter 4, flame scanner 5, furnace temperature detector 6, Programmable Logic Controller 7, waste pipe 101, catalytic converter 102, air inlet pipe 201, gas purifier 202, first blower fan 203, connecting tube 204, gas electromagnetic valve 205, first automatic pressure stabilizing valve 206, second connecting tube 207, first-class gauge 208, first thermometer 209, first Pressure gauge 2010, second blower fan 301, 3rd connecting tube 302, second automatic pressure stabilizing valve 303, 4th connecting tube 304, cross valve 305, gas-distributing pipe 306, second gauge 307, second thermometer 308, escape pipe 20201, drainage screen 30101, described fuel gas transmission device 2 is positioned at combustion furnace 1 left end, described fuel gas transmission device 2 contains air inlet pipe 201, gas purifier 202, first blower fan 203, connecting tube 204, gas electromagnetic valve 205, first automatic pressure stabilizing valve 206, second connecting tube 207, first-class gauge 208, first thermometer 209, first Pressure gauge 2010, described gas purifier 202 is positioned at air inlet pipe 201 right-hand member, described gas purifier 202 is connected with air inlet pipe 201 screw thread, the first described blower fan 203 is positioned at gas purifier 202 right-hand member, the first described blower fan 203 is connected with gas purifier 202 pipeline, described connecting tube 204 is positioned at the first blower fan 203 right-hand member, described connecting tube 204 is connected with the first blower fan 203 screw thread, described gas electromagnetic valve 205 is positioned at connecting tube 204 right-hand member, described gas electromagnetic valve 205 is connected with connecting tube 204 screw thread, the first described automatic pressure stabilizing valve 206 is positioned at gas electromagnetic valve 205 right-hand member, the first described automatic pressure stabilizing valve 206 is connected with gas electromagnetic valve 205 pipeline, the second described connecting tube 207 is positioned at the first automatic pressure stabilizing valve 206 right-hand member, and the second described connecting tube 207 is positioned at bottom, combustion furnace 1, the second described connecting tube 207 is connected with the first automatic pressure stabilizing valve 206 and combustion furnace 1 screw thread, described first-class gauge 208 and the first described thermometer 209 and the first described Pressure gauge 2010 are from left to right sequentially distributed in connecting tube 204 top, described air transport device 3 is positioned at combustion furnace 1 left end, described air transport device 3 contains the second blower fan 301, 3rd connecting tube 302, second automatic pressure stabilizing valve 303, 4th connecting tube 304, cross valve 304, gas-distributing pipe 306, second gauge 307, second thermometer 308, the 3rd described connecting tube 302 is positioned at the second blower fan 301 right-hand member, the 3rd described connecting tube 302 is connected with the second blower fan 301 screw thread, the second described automatic pressure stabilizing valve 303 is positioned at the 3rd connecting tube 302 right-hand member, the second described automatic pressure stabilizing valve 303 is connected with the 3rd connecting tube 302 screw thread, the 4th described connecting tube 304 is positioned at the second automatic pressure stabilizing valve 303 right-hand member, the 4th described connecting tube 304 is connected with the second automatic pressure stabilizing valve 303 screw thread, described cross valve 305 is positioned at the 4th connecting tube 304 right-hand member, described cross valve 305 is connected with the 4th connecting tube 304 screw thread, described gas-distributing pipe 306 quantity is three, described gas-distributing pipe 306 is positioned at cross valve 305 right-hand member, and described gas-distributing pipe 306 is distributed in top, combustion furnace 1, middle part and bottom, described gas-distributing pipe 306 is connected with cross valve 305 and combustion furnace 1 screw thread, described second gauge 307 is positioned at the 3rd connecting tube 303 top, described second gauge 307 is connected with the 3rd connecting tube 303 screw thread, the second described thermometer 308 is positioned at the 4th connecting tube 304 top, the second described thermometer 308 is connected with the 4th connecting tube 304 screw thread, described lighter 4 is positioned at combustion furnace 1 inner bottom, described lighter 4 is connected with combustion furnace 1 screw thread, described flame scanner 5 is positioned at bottom, combustion furnace 1, described flame scanner 5 is connected with combustion furnace 1 screw thread, it is internal that described furnace temperature detector 6 is positioned at combustion furnace 1, described furnace temperature detector 6 is connected with combustion furnace 1 screw thread, described Programmable Logic Controller 7 is PLC, described Programmable Logic Controller 7 and fuel gas transmission device 2, air transport device 3, lighter 4, flame scanner 5, furnace temperature detector 6 circuit is connected, described gas purifier 202 bottom is additionally provided with escape pipe 20201, described escape pipe 20201 is connected with gas purifier 202 screw thread, the second described blower fan 301 left end is additionally provided with drainage screen 301, described drainage screen 301 is connected with the second blower fan 301 screw thread, described top, combustion furnace 1 is additionally provided with waste pipe 101, described waste pipe 101 is connected with combustion furnace 1 screw thread, described waste pipe 101 bottom is additionally provided with catalytic converter 102, described catalytic converter 102 is connected with waste pipe 101 screw thread, should based on PLC fuel gases calorific value detecting and controlling system, first the control program of fuel gas buring is write to Programmable Logic Controller, wherein fuel gas buring control the program setting input quantity of combustion gas and air, first blower fan 203, the startup program of the second blower fan 301 and lighter 4, and maximum ignition times of set point firearm 4 are 5 times, the first blower fan 203 and the second blower fan 301 is started by program, and gas electromagnetic valve 205 automatically opens up, therefore the first blower fan 203 can be input to bottom, combustion furnace 1 by entering into the combustion gas after gas purifier 302 purifies from air inlet pipe 301, and gas stabilized-pressure was processed by the first automatic pressure stabilizing valve 206 by combustion gas before entering combustion furnace 1, the combustion gas entered in combustion furnace 1 is made to be in stationary value, and control to enter the gas flow of combustion furnace 1 by first-class gauge 208, by the second blower fan 301 by extraneous air after drainage screen 302 filters, by gas-distributing pipe 306, air is evenly supplied to bottom combustion furnace 1, middle part and top, and air passes through the flow of second gauge 307 conservative control air before entering combustion furnace 1, and by the second automatic pressure stabilizing valve 303 to air voltage stabilizing, air can be stably input in combustion furnace 1, when combustion gas and air enter in combustion furnace 1, combustion gas is lighted by lighter 4, if lighter 4 is lighted a fire again when flame scanner 5 is not detected by flame, so that fuel gas buring, if Programmable Logic Controller 7 sounds the alarm when not putting always, gas electromagnetic valve 205 is automatically switched off simultaneously, when combustion gas is lighted, the pressure of combustion gas is detected by the first Pressure gauge 2010, when the pressure of combustion gas deviates programmed values, Programmable Logic Controller 7 sounds the alarm, simultaneously close off gas electromagnetic valve 205, when the parameters of combustion gas and air all in program setting scope and combustion gas when burning, by the first thermometer 209, second thermometer 308 detects the temperature of air and combustion gas, detect ignition temperature in combustion furnace by furnace temperature detector 6 simultaneously, thus reaching to detect the calorific value of fuel gas buring, when combustion gas flame in combustion stops stopping with the first blower fan 203 and the second blower fan 301, gas electromagnetic valve 205 is automatically switched off, and sound the alarm, thus can prevent combustion gas from leaking outside, after program completes, the first blower fan 203 and the second blower fan 301 are out of service, gas electromagnetic valve 205 is automatically switched off, wherein connecting tube 204, second connecting tube 207, 3rd connecting tube 303, 4th connecting tube 304 is to play connection and gas transmission effect, first thermometer 209, first Pressure gauge 2010 is the pressure and temperature that can detect combustion gas, second thermometer 308 is the temperature detecting air, cross valve 305 is to be evenly spread to by air in gas-distributing pipe 306, so that air can be evenly supplied in combustion furnace 1 by gas-distributing pipe 306, the combustion gas entered in combustion furnace is mixed homogeneously with air, so that combustion gas can fully be burnt.
This utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art, from above-mentioned design, without performing creative labour, made all conversion, all falls within protection domain of the present utility model.
Claims (5)
1. one kind based on PLC fuel gases calorific value detecting and controlling system, including combustion furnace, characterized by further comprising fuel gas transmission device, air transport device, lighter, flame scanner, furnace temperature detector, Programmable Logic Controller, described fuel gas transmission device is positioned at combustion furnace left end, described fuel gas transmission device contains air inlet pipe, gas purifier, first blower fan, connecting tube, gas electromagnetic valve, first automatic pressure stabilizing valve, second connecting tube, first-class gauge, first thermometer, first Pressure gauge, described gas purifier is positioned at air inlet pipe right-hand member, described gas purifier is connected with air inlet pipe screw thread, the first described blower fan is positioned at gas purifier right-hand member, the first described blower fan is connected with gas purifier pipeline, described connecting tube is positioned at the first blower fan right-hand member, described connecting tube is connected with the first blower fan screw thread, described gas electromagnetic valve is positioned at connecting tube right-hand member, described gas electromagnetic valve is connected with connecting tube screw thread, the first described automatic pressure stabilizing valve is positioned at gas electromagnetic valve right-hand member, the first described automatic pressure stabilizing valve is connected with gas electromagnetic valve pipeline, the second described connecting tube is positioned at the first automatic pressure stabilizing valve right-hand member, and the second described connecting tube is positioned at bottom, combustion furnace, the second described connecting tube is connected with the first automatic pressure stabilizing valve and combustion furnace screw thread, described first-class gauge and the first described thermometer and the first described Pressure gauge are from left to right sequentially distributed in connecting tube top, described air transport device is positioned at combustion furnace left end, described air transport device contains the second blower fan, 3rd connecting tube, second automatic pressure stabilizing valve, 4th connecting tube, cross valve, gas-distributing pipe, second gauge, second thermometer, the 3rd described connecting tube is positioned at the second blower fan right-hand member, the 3rd described connecting tube is connected with the second blower fan screw thread, the second described automatic pressure stabilizing valve is positioned at the 3rd connecting tube right-hand member, the second described automatic pressure stabilizing valve and the 3rd connecting tube screw thread are connected, the 4th described connecting tube is positioned at the second automatic pressure stabilizing valve right-hand member, the 4th described connecting tube is connected with the second automatic pressure stabilizing valve screw thread, described cross valve is positioned at the 4th connecting tube right-hand member, described cross valve and the 4th connecting tube screw thread are connected, described gas-distributing pipe quantity is three, described gas-distributing pipe is positioned at cross valve right-hand member, and described gas-distributing pipe is distributed in top, combustion furnace, middle part and bottom, described gas-distributing pipe is connected with cross valve and combustion furnace screw thread, described second gauge is positioned at the 3rd connecting tube top, described second gauge and the 3rd connecting tube screw thread are connected, the second described thermometer is positioned at the 4th connecting tube top, the second described thermometer and the 4th connecting tube screw thread are connected, described lighter is positioned at furnace interior bottom, described lighter is connected with combustion furnace screw thread, described flame scanner is positioned at bottom, combustion furnace, described flame scanner is connected with combustion furnace screw thread, described furnace temperature detector is positioned at furnace interior, described furnace temperature detector is connected with combustion furnace screw thread, described Programmable Logic Controller is PLC, described Programmable Logic Controller and fuel gas transmission device, air transport device, lighter, flame scanner, furnace temperature detector circuit is connected.
2. as claimed in claim 1 a kind of based on PLC fuel gases calorific value detecting and controlling system, it is characterised in that described gas purifier bottom is additionally provided with escape pipe, and described escape pipe is connected with gas purifier screw thread.
3. as claimed in claim 2 a kind of based on PLC fuel gases calorific value detecting and controlling system, it is characterised in that the second described blower fan left end is additionally provided with drainage screen, described drainage screen and the second blower fan screw thread and is connected.
4. as claimed in claim 3 a kind of based on PLC fuel gases calorific value detecting and controlling system, it is characterised in that described top, combustion furnace is additionally provided with waste pipe, and described waste pipe is connected with combustion furnace screw thread.
5. as claimed in claim 4 a kind of based on PLC fuel gases calorific value detecting and controlling system, it is characterised in that described waste pipe bottom is additionally provided with catalytic converter, and described catalytic converter is connected with waste pipe screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066658.9U CN205280633U (en) | 2015-12-21 | 2015-12-21 | Detect control system based on PLC fuel gas heat value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066658.9U CN205280633U (en) | 2015-12-21 | 2015-12-21 | Detect control system based on PLC fuel gas heat value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205280633U true CN205280633U (en) | 2016-06-01 |
Family
ID=56065199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521066658.9U Expired - Fee Related CN205280633U (en) | 2015-12-21 | 2015-12-21 | Detect control system based on PLC fuel gas heat value |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205280633U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014088A (en) * | 2017-04-13 | 2017-08-04 | 珠海格力电器股份有限公司 | Ignition protection method and system for gas water heater |
| CN109387403A (en) * | 2018-12-03 | 2019-02-26 | 王亚萍 | A kind of burning waste gas sample detection research device |
-
2015
- 2015-12-21 CN CN201521066658.9U patent/CN205280633U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014088A (en) * | 2017-04-13 | 2017-08-04 | 珠海格力电器股份有限公司 | Ignition protection method and system for gas water heater |
| CN107014088B (en) * | 2017-04-13 | 2021-11-23 | 珠海格力电器股份有限公司 | Ignition protection method and system for gas water heater |
| CN109387403A (en) * | 2018-12-03 | 2019-02-26 | 王亚萍 | A kind of burning waste gas sample detection research device |
| CN109387403B (en) * | 2018-12-03 | 2021-01-22 | 山东恒利检测技术有限公司 | Combustion waste gas sampling detection research device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10557632B2 (en) | Intelligent oxygen level controller for biofuel-fired burner | |
| CN105841353B (en) | A kind of gas heater and its control method of width adaptation range | |
| CN106247353B (en) | A kind of blast furnace gas diffusing ignition system | |
| CN204554925U (en) | Residential building kitchen fume discharges system | |
| CN204421358U (en) | Have monitoring empty-fire the condensed type combustion gas water heater of full premix ratio function | |
| CN205280633U (en) | Detect control system based on PLC fuel gas heat value | |
| CN103528076A (en) | Exhaust gas incineration disposal system | |
| CN103162524B (en) | A kind of tobacco flue-curing house heating stove | |
| CN207391530U (en) | A kind of hot galvanizing furnace control system | |
| CN204114899U (en) | A kind of combustion coke-stove gas steam boiler control system | |
| CN204513415U (en) | A kind of closed biogas torch | |
| CN110425581B (en) | Intelligent control device for gas combustion | |
| CN207334775U (en) | Biological mass gas burnnig boiler flue gas emission oxygen content monitors Analysis Control Unit | |
| CN203586231U (en) | Waste gas incineration treatment system | |
| CN203731707U (en) | Control system for fuel oil gas conduction oil boiler | |
| CN106196163B (en) | For the burner electric control system of descaling bath immersion trough heating | |
| CN204115246U (en) | A kind of fuel vapor Control System of Airheater | |
| CN203418078U (en) | Regenerative furnace provided with control system | |
| CN110966630B (en) | Control method of cooker electromagnetic valve | |
| JP2010255971A (en) | Biomass combustion device | |
| CN204478091U (en) | Heat treatment carburizer emission-control equipment | |
| CN204657465U (en) | A kind of torpedo hot-metal bottle automatic optimal apparatus for baking | |
| CN203704373U (en) | Oil or gas fired vacuum hot water boiler control system | |
| CN104874780A (en) | Automatic optimization baking device for torpedo type hot metal ladle | |
| CN206496373U (en) | A kind of energy-saving and emission-reduction stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20181221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |