CN202432546U - Combustion control system - Google Patents
Combustion control system Download PDFInfo
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- CN202432546U CN202432546U CN2011205717351U CN201120571735U CN202432546U CN 202432546 U CN202432546 U CN 202432546U CN 2011205717351 U CN2011205717351 U CN 2011205717351U CN 201120571735 U CN201120571735 U CN 201120571735U CN 202432546 U CN202432546 U CN 202432546U
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Abstract
The utility model discloses a combustion control system, which comprises a host computer, a lower computer, a fuel gas pressure stabilizing module, a safe dispersion module, a pressure protection module, a temperature regulation module, an ignition and flame detection module, a flow rate sensor module and a material level meter module, wherein the automatic ignition, automatic combustion and automatic temperature control heating model of an alloy baking oven combustion system controlled through the lower computer can be realized, and the efficient heating of materials is realized. Compared with the prior art, the combustion control system has the following advantages that the temperature control precision is high, the process stability is good, the energy consumption is low, the operation and the monitoring are intuitive and convenient, the automation degree is high, and the operation is safe and reliable.
Description
Technical field
The utility model relates to a kind of combustion control system, is applicable to the control of the combustion process of alloy baking stove.
Background technology
To produce high-quality molten steel at present, must the alloy that add be heated, reduce to greatest extent in the alloy the hydrogen amount of bringing into and to the influence of liquid steel temperature, thereby the purpose that realizes smelting high-quality steel.Common alloy baking stove technology is all adopted in existing alloy heating basically, and its combustion system mainly relies on operating personnel's experience to judge and operates combustion process, and there is following drawback in this combustion system:
1) adopt igniting manually, the igniting task is heavy, and it is low to light success rate, and in use, flame possibly extinguish and can't in time discover, and toxic gas leaks, and causes security incident;
2) temperature of alloy material is uncontrollable, does not have device for detecting temperature, can only be artificial go to judge temperature, error is bigger, technology stability is poor;
3) pressure, the flow of burning and combustion-supporting gas are uncontrollable, can not effectively regulate the input quantity of burning and combustion-supporting gas, and the accurate ratio of gas mixture of regulating burning and combustion-supporting gas, cause the significant wastage of burning gases;
4) high to operating personnel's quality specification requirement, increase corresponding human cost greatly.
Application number is: 200620023560.X; The utility model name is called: the Chinese utility model patent of " the two ratio combustion control devices of high-temperature fuel gas periodic kilns the kiln " discloses the two ratio combustion control devices of a kind of high-temperature fuel gas periodic kilns the kiln, belongs to Industrial Stoves control device field.Comprise the connecting line that is arranged between each burner and the combustion gas house steward and be arranged on the air/fuel ratio adjusting valve on the pipeline; Its parallel connection between each burner and combustion gas house steward is provided with at least two connecting lines; Correspondence is provided with a cover air/fuel ratio control device respectively on each connecting line; The caliber of each connecting line is identical or inequality, and the mixed proportion of each air/fuel ratio control device is provided with inequality; The pneuamtic part of the control part branch of each air/fuel ratio control device that it is said is write the wind pressure signal pipe and is connected, and its automatically controlled part is connected with the PLC control module.Its difference that in the different temperature interval range, can provide burning ratio; Control the firing atmosphere in the kiln more exactly; Make the quality of burning till of product obtain guaranteeing more reliably, can be widely used in the domain of control temperature of the high-temperature fuel gas periodic kilns the kiln of all size.Its defective be voltage stabilizing property poor, can not detected temperatures and the extinguishing of flame.
The utility model content
The utility model technical problem to be solved is; Overcome the defective that prior art exists, provide that a kind of automaticity is high, the combustion control system temperature control precision is high, technology stability is good, energy resource consumption is low, operation supervise and control intuitive and convenient, combustion control system safe and reliable to operation.
The utility model addresses the above problem the technical scheme that is adopted: this combustion control system is characterized in that it comprises:
1) host computer; Host computer is realized monitoring in real time and operation through the HMI picture to whole combustion system state; Host computer shows pressure, temperature, flow, thing position, flare up fire, the valve position signal of alloy baking stove combustion system, and can operate through the HMI picture;
2) slave computer, slave computer is connected with host computer, as collection, processing and the Executive Module of combustion system status data;
3) combustion gas Voltage stabilizing module, the combustion gas Voltage stabilizing module is arranged on the fuel gas pipeline, is used for the voltage stabilizing of combustion gas and when gaseous-pressure is higher than setting range, cuts off;
4) safety is diffused module, and safety is diffused module and is arranged on the fuel gas pipeline, is used for the discharging of superpressure combustion gas;
5) pressure protect module, pressure protect module are arranged on the fuel gas pipeline and with slave computer and are connected, and the conveying of combustion gas is opened or closed to the gaseous-pressure scope that is used to gather the gaseous-pressure signal and controls model specification according to burning;
6) adjustment module; The adjustment module is connected with slave computer; Be used to gather the interior material temperature signal of alloy baking stove and send slave computer to, slave computer is controlled the corresponding temperature adjustment module automatically according to burning control model, is used to control the interior temperature of alloy baking stove;
7) igniting and flame detection module, igniting and flame detection module are connected with slave computer, are used to light a fire, measure and control the duty of burning burner;
8) flow sensor module, flow sensor module are arranged on the fuel gas pipeline and with slave computer and are connected, and are used to measure the instantaneous and integrated flux of combustion gas.
The utility model also is provided with the level-sensing device module, and the level-sensing device module is connected with slave computer, is used to measure the piling height of material in the alloy baking stove.The height that does not need the manual observation material, and can height of materials be reflected on the HMI picture of host computer intuitively and accurately.
The described slave computer of the utility model adopts PLC, and sets up a plurality of different burnings control models through importing the burning control program, and host computer adopts industrial computer, and PLC realizes and the industrial computer communication through EPA/PROFIBUS-DP net.Adopt this structure can realize long-range monitoring and operation.
The described combustion gas Voltage stabilizing module of the utility model comprises safety cut-off valve and the pressure-reducing valve that all is arranged on the fuel gas pipeline.Pressure-reducing valve is used for stablizing gaseous-pressure, and safety cut-off valve can be in the conveying of when gaseous-pressure is higher than setting range, cutting off combustion gas;
The described safety of the utility model is diffused module and is comprised the safety overflow valve that is arranged on the fuel gas pipeline.
The described pressure protect module of the utility model comprises pressure transmitter and the fuel gas shutoff valve that is arranged on the fuel gas pipeline and all is connected with slave computer; The pressure information that pressure transmitter detects in the combustion sends to slave computer, slave computer opened or closed combustion gas according to the gaseous-pressure scope of burning control model specification conveying with the fuel gas shutoff valve.
The described adjustment module of the utility model comprises the temperature sensor that is arranged in the alloy baking stove, be arranged on the fuel gas pipeline and connect the air-fuel ratio valve of air pipe line and be arranged on the air control valve on the air pipe line; Temperature sensor, air-fuel ratio valve are connected slave computer with air control valve; Temperature sensor adopts the armored thermocouple; Temperature sensor is used to measure the temperature of multilayer dose in the alloy baking stove, and sends temperature signal to slave computer, according to burning control model; Through slave computer control air-fuel ratio valve and air control valve, realize the adjustment of the combustion system of alloy heating furnace.
Described igniting of the utility model and flame detection module comprise ionization type flame sensor and the burner controller that all is connected with slave computer; Ionizing transducer is used to judge the state of combustion system flame; And sending signal to slave computer, slave computer is controlled the duty of the hot mouth of burner controller adjustment combustion gas automatically according to burning control model.
The described flow sensor module of the utility model adopts orifice flowmeter or vortex-shedding meter, is used to measure the instantaneous and integrated flux of burning gases, and sends flow signal to slave computer.
The described level-sensing device module of the utility model adopts roof-mounted high temperature resistant type radar wave level-sensing device.
The utility model compared with prior art has the following advantages: temperature control precision is high, technology stability is good, energy resource consumption is low, operation supervise and control intuitive and convenient, automaticity are high, safe and reliable to operation.
Description of drawings
Fig. 1 is the theory diagram of the utility model embodiment.
Fig. 2 is the schematic flow sheet of the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Referring to Fig. 1～Fig. 2; The present embodiment combustion control system comprises: host computer, slave computer, combustion gas Voltage stabilizing module I, safety are diffused module II, pressure protect module III, adjustment module IV, igniting and flame detection module V, flow sensor module, level-sensing device module.
The present embodiment slave computer adopts PLC, and host computer adopts industrial computer, and PLC realizes and the industrial computer communication through EPA/PROFIBUS-DP net.Combustion gas Voltage stabilizing module I comprises the safety cut-off valve I-1 and pressure-reducing valve I-2 that all is arranged on the fuel gas pipeline A.Safety is diffused the module II and is comprised the safety overflow valve II-1 that is arranged on the fuel gas pipeline A.Pressure protect module III comprises and is arranged on pressure transmitter III-1 and the fuel gas shutoff valve III-2 that fuel gas pipeline A goes up and is connected with PLC.Adjustment module IV comprises and a plurality ofly is arranged on a plurality of intervals are provided with in the alloy baking stove armored thermocouple IV-1, is arranged on fuel gas pipeline A and goes up and connect the air-fuel ratio valve IV-2 of air pipe line B and be arranged on the air control valve IV-3 on the air pipe line B that armored thermocouple IV-1, air-fuel ratio valve IV-2 are connected PLC with air control valve IV-3.Igniting and flame detection module V comprise the ionization type flame sensor V-1 and burner controller V-2 that all is connected with PLC, and burner controller V-2 is arranged on the hot mouth C of combustion gas.The flow sensor module adopts orifice flowmeter or vortex-shedding meter and is arranged on the fuel gas pipeline A.The level-sensing device module adopts roof-mounted high temperature resistant type radar wave level-sensing device.
Operation principle: the gaseous-pressure scope that burning is fit in the present embodiment realizes automatic voltage regulation at 8Kpa～30Kpa for adopt pressure-reducing valve I-2 for 8Kpa～30Kpa present embodiment, and exceeds burning control model specification scope at gaseous-pressure and (cut off the conveying of combustion gas during 8Kpa～30Kpa) automatically through safety cut-off valve I-1; Adopt safety overflow valve II-1 can realize discharging automatically when gaseous-pressure is higher than 30Kpa the superpressure combustion gas.
PLC gathers pressure, temperature, flow, thing position, flare up fire, valve position signal through EPA/PROFIBUS-DP net realization communication, and realizes the remote real-time monitoring and the control of industry spot in man-machine interface.PLC gathers the pressure signal of combustion gas through pressure transmitter III-1; And according to the gaseous-pressure scope of burning control model specification (8Kpa～30Kpa) opens or closes fuel gas shutoff valve III-2; Thereby the conveying of control combustion gas; PLC gathers alloy baking furnace temperature signal through a plurality of armored thermocouple IV-1 that are provided with at interval, and controls model according to the burning of PLC, present embodiment burning control model specification temperature (300 ℃～350 ℃) control air-fuel ratio valve IV-2 and the automatic ratio of regulating combustion gas and air of air control valve IV-3; Not only make the alloy baking stove provide suitable temperature can also let fuel gas buring abundant; PLC adopts ionization type flame sensor V-1 and through behind the flare up fire amplifier amplifying signal, sends PLC to, judges the state of combustion system flame; If the fray-out of flame of the hot mouth C of combustion gas, PLC control are controlled the automatic igniting of the hot mouth C of on-the-spot combustion gas and are perhaps controlled fuel gas shutoff valve III-2 cut-out combustion gas through burner controller V-2.PLC is used for measuring the height of materials in the alloy baking stove through orifice flowmeter or vortex-shedding meter, and roof-mounted high temperature resistant type radar wave level-sensing device is used for measuring the instantaneous and integrated flux of burning gases.
Present embodiment has not only been realized real-time monitoring and the automation control of combustion process, and temperature control precision is high, technology stability is good, energy resource consumption is low, operation supervise and control intuitive and convenient, automaticity are high, safe and reliable to operation.
Though the utility model with embodiment openly as above; But it is not in order to limit the protection domain of the utility model; Any technical staff who is familiar with this technology, change and the retouching in design that does not break away from the utility model and scope, done all should belong to the protection domain of the utility model.
Claims (10)
1. combustion control system; It is characterized in that; It comprises: host computer, slave computer, combustion gas Voltage stabilizing module, safety are diffused module, pressure protect module, adjustment module, igniting and flame detection module and flow sensor module; Slave computer is connected with host computer; Combustion gas Voltage stabilizing module, safety are diffused module, pressure protect module and flow sensor module and are arranged on fuel gas pipeline, and pressure protect module, adjustment module, igniting and flame detection module, flow sensor module are connected with slave computer.
2. combustion control system according to claim 1 is characterized in that: also be provided with the level-sensing device module, the level-sensing device module is connected with slave computer.
3. combustion control system according to claim 1 and 2 is characterized in that: described slave computer adopts PLC, and host computer adopts industrial computer.
4. combustion control system according to claim 1 and 2 is characterized in that: described combustion gas Voltage stabilizing module comprises safety cut-off valve and the pressure-reducing valve that all is arranged on the fuel gas pipeline.
5. combustion control system according to claim 1 and 2 is characterized in that: described safety is diffused module and is comprised the safety overflow valve that is arranged on the fuel gas pipeline.
6. combustion control system according to claim 1 and 2 is characterized in that: described pressure protect module comprises pressure transmitter and the fuel gas shutoff valve that is arranged on the fuel gas pipeline and all is connected with slave computer.
7. combustion control system according to claim 1 and 2; It is characterized in that: described adjustment module comprises the temperature sensor that is arranged in the alloy baking stove, be arranged on the fuel gas pipeline and connect the air-fuel ratio valve of air pipe line and be arranged on the air control valve on the air pipe line; Temperature sensor, air-fuel ratio valve are connected slave computer with air control valve, and temperature sensor adopts the armored thermocouple.
8. combustion control system according to claim 1 and 2 is characterized in that: described igniting and flame detection module comprise ionization type flame sensor and the burner controller that all is connected with slave computer.
9. combustion control system according to claim 1 and 2 is characterized in that: described flow sensor module adopts orifice flowmeter or vortex-shedding meter.
10. combustion control system according to claim 2 is characterized in that: described level-sensing device module adopts roof-mounted high temperature resistant type radar wave level-sensing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205717351U CN202432546U (en) | 2011-12-31 | 2011-12-31 | Combustion control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205717351U CN202432546U (en) | 2011-12-31 | 2011-12-31 | Combustion control system |
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| Publication Number | Publication Date |
|---|---|
| CN202432546U true CN202432546U (en) | 2012-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205717351U Expired - Lifetime CN202432546U (en) | 2011-12-31 | 2011-12-31 | Combustion control system |
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| CN (1) | CN202432546U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307898A (en) * | 2013-06-27 | 2013-09-18 | 江苏烨泰玻璃有限公司 | Kiln flame control system |
| CN106482149A (en) * | 2016-11-28 | 2017-03-08 | 无锡市莱达热工工程有限公司 | Combustion system manifold structure |
| CN110319710A (en) * | 2019-04-30 | 2019-10-11 | 浙江富钢金属制品有限公司 | Continuous pusher-type furnace tandem closed-loop control system and its control method |
| CN111647715A (en) * | 2020-06-15 | 2020-09-11 | 沈阳科维润工程技术有限公司 | Scrap steel preheating control system and control method |
| CN113464939A (en) * | 2021-06-29 | 2021-10-01 | 广东韶钢嘉羊新型材料有限公司 | Hot blast stove burner and using method thereof |
-
2011
- 2011-12-31 CN CN2011205717351U patent/CN202432546U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307898A (en) * | 2013-06-27 | 2013-09-18 | 江苏烨泰玻璃有限公司 | Kiln flame control system |
| CN106482149A (en) * | 2016-11-28 | 2017-03-08 | 无锡市莱达热工工程有限公司 | Combustion system manifold structure |
| CN110319710A (en) * | 2019-04-30 | 2019-10-11 | 浙江富钢金属制品有限公司 | Continuous pusher-type furnace tandem closed-loop control system and its control method |
| CN111647715A (en) * | 2020-06-15 | 2020-09-11 | 沈阳科维润工程技术有限公司 | Scrap steel preheating control system and control method |
| CN113464939A (en) * | 2021-06-29 | 2021-10-01 | 广东韶钢嘉羊新型材料有限公司 | Hot blast stove burner and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG HANGZHEN ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HANGZHOU HANGZHEN VACUUM ENGINEERING TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 311121 Zhongtai Industrial Zone, Yuhang District, Zhejiang, Hangzhou Patentee after: ZHEJIANG HANGZHEN ENERGY TECHNOLOGY Co.,Ltd. Address before: 311121 Zhongtai Industrial Zone, Yuhang District, Zhejiang, Hangzhou Patentee before: Hangzhou Hangzhou vacuum engineering technology Limited by Share Ltd. Address after: 311121 Zhongtai Industrial Zone, Yuhang District, Zhejiang, Hangzhou Patentee after: Hangzhou Hangzhou vacuum engineering technology Limited by Share Ltd. Address before: 311121 Zhongtai Industrial Zone, Yuhang District, Zhejiang, Hangzhou Patentee before: HANGZHOU HANGZHEN VACUUM ENGINEERING TECHNOLOGY Co.,Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang hang Zhen energy equipment manufacturing Co.,Ltd. Assignor: ZHEJIANG HANGZHEN ENERGY TECHNOLOGY Co.,Ltd. Contract record no.: 2018330000065 Denomination of utility model: Petroleum coking-slurry burning control system Granted publication date: 20120912 License type: Common License Record date: 20180613 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |