CN201129866Y - Automatic control system of heating furnace - Google Patents
Automatic control system of heating furnace Download PDFInfo
- Publication number
- CN201129866Y CN201129866Y CNU2007201882283U CN200720188228U CN201129866Y CN 201129866 Y CN201129866 Y CN 201129866Y CN U2007201882283 U CNU2007201882283 U CN U2007201882283U CN 200720188228 U CN200720188228 U CN 200720188228U CN 201129866 Y CN201129866 Y CN 201129866Y
- Authority
- CN
- China
- Prior art keywords
- valve
- control valve
- source
- gas
- heating furnace
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 42
- 230000008676 import Effects 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 20
- 239000003345 natural gas Substances 0.000 abstract description 10
- 239000010779 crude oil Substances 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Combustion (AREA)
Abstract
The utility model relates to a heating furnace automatic control system which automatically controls a heating furnace which heats fluid medium such as crude oil, natural gas and the like. The system comprises an air supply master valve, an air supply control valve, a temperature control valve, an air supply by-pass valve, a temperature control by-pass valve, a main fire control valve, a main fire regulating valve, a flame detector, a temperature controller, a magnetic valve, an igniting by-pass valve, a female fire control valve and an electronic igniter, wherein the electronic igniter is electrically connected with the magnetic valve and a female fire burner. The control system not only has the functions of temperature control and flameout protection to the heating furnace, but also can ignite the heating furnace electronically, the operation is very convenient, and the ignition is safe and reliable.
Description
Technical field
The utility model relates to the heating furnace automatic control system that a kind of heating furnace that fluid media (medium)s such as crude oil, natural gas are heated is controlled automatically.
Background technology
Heating furnace is to be used for apparatus that fluid media (medium)s such as crude oil, natural gas are heated in petrochemical industry, it mainly is made up of apparatus casing, pyrotechnics pipe, heat(ing) coil and burner assembly etc., pyrotechnics pipe and heat(ing) coil are positioned at housing, burner assembly is installed in shell end, and the main ignition combustor in the burner assembly stretches in the pyrotechnics pipe.Falling heat-transfer medium---water in the housing is immersed in wherein pyrotechnics pipe and heat(ing) coil, and the two ends of heat(ing) coil pass through the housing end face in the housing and are positioned at outside the housing.During work, natural gas enters in the main ignition combustor, lighted in main ignition combustor gas outlet, and at the pyrotechnics combustion inner pipe, the heat of its release passes to water in the housing by the pyrotechnics pipe, pass to heat(ing) coil by water again, thereby fluid media (medium)s such as the crude oil of the coil pipe of flowing through, natural gas are implemented heating.
For the igniting of heating furnace, burning etc. being controlled the automatic control system that heating furnace all is equipped with a cover to be made up of source of the gas main valve, source of the gas control valve, temperature control valve, source of the gas by-passing valve, temperature control by-passing valve, main fiery control valve, female fiery control valve, flame detector, temperature controller and Pressure gauge etc.Wherein the source of the gas main valve is successively by the source of the gas by-passing valve, the temperature control by-passing valve, main fiery control valve is communicated with the main ignition combustor of heating furnace, also successively by the source of the gas control valve, temperature control valve, main fiery control valve is communicated with the main ignition combustor of heating furnace, the outlet of source of the gas control valve, the outlet of source of the gas by-passing valve, the temperature control valve import, the import of temperature control by-passing valve is communicated with female ignition combustor of heating furnace by female fiery control valve simultaneously, wherein, the source of the gas main valve, the source of the gas by-passing valve, the temperature control by-passing valve, main fiery control valve and female fiery control valve are manual modulation valve, source of the gas control valve and temperature control valve are pneumatic diaphragm control valve, the source of the gas main valve is connected with the control mouth of Pressure gauge and temperature control valve respectively by temperature controller, and is connected with the control mouth of another Pressure gauge and source of the gas control valve respectively by flame detector.
This automatic control system can be according to the height burning of the main ignition combustor of control automatically of furnace temp, and when female ignition combustor extinguishes, can cut off source of the gas automatically, can prevent that natural gas leaking from causing peril, but, this automatic control system can not be carried out electronic ignition when operation, can only lean on manually and light a fire with torch, and this brings many inconvenience to operating personnel.
The utility model content
The purpose of this utility model provides a kind of heating furnace automatic control system, to realize the electronic ignition of heating furnace.
Heating furnace automatic control system described in the utility model, comprise the source of the gas main valve, the source of the gas control valve, temperature control valve, the source of the gas by-passing valve, the temperature control by-passing valve, main fiery control valve, female fiery control valve, flame detector and temperature controller, the source of the gas main valve is successively by the source of the gas by-passing valve, the temperature control by-passing valve, main fiery control valve is communicated with the main ignition combustor of heating furnace, also successively by the source of the gas control valve, temperature control valve, main fiery control valve is communicated with the main ignition combustor of heating furnace, wherein, the source of the gas main valve, the source of the gas by-passing valve, the temperature control by-passing valve, (and female fiery control valve is a manual modulation valve to main fiery control valve, source of the gas control valve and temperature control valve are pneumatic diaphragm control valve, the source of the gas main valve is connected with the control mouth of temperature control valve by temperature controller, and be connected with the control mouth of Pressure gauge and source of the gas control valve respectively by flame detector, the outlet of source of the gas control valve, the outlet of source of the gas by-passing valve, the temperature control valve import, the import of temperature control by-passing valve is simultaneously successively by female fiery control valve, female fiery control valve is communicated with female ignition combustor of heating furnace, and simultaneously successively by the igniting by-passing valve, female fiery control valve is communicated with female ignition combustor of heating furnace, also pass through simultaneously magnetic valve successively, female fiery control valve is communicated with female ignition combustor of heating furnace, the igniting by-passing valve is a manual modulation valve, female fiery control valve is a pneumatic diaphragm control valve, its control mouth is communicated with the control mouth of source of the gas control valve, and ignition is electrically connected with magnetic valve and female ignition combustor.
Before carrying out electronic ignition, should check whether each manual modulation valve closes, and ignition is connected with the mains.At first with the source of the gas main valve, the source of the gas by-passing valve is opened, the fiery control valve of mother is opened certain aperture, press the button ignition switch of ignition then, natural gas via magnetic valve then, female fiery control valve is to female ignition combustor, and female ignition combustor lighted, flame detector is heated, treat to open the igniting by-passing valve rapidly after the flame ignition, after opening, the igniting by-passing valve decontrols button ignition switch again, when treating that the Pressure gauge that is connected with flame detector has certain reading, close igniting by-passing valve and source of the gas by-passing valve again, female ignition combustor is burnt away, main fiery control valve can be opened afterwards, make the equipment normal operation input.
Heating furnace automatic control system described in the utility model, owing to increased magnetic valve and ignition, the button ignition switch that only need press ignition can make heating furnace realize igniting, and it is easy to operate, and it is safe and reliable to light a fire.
Description of drawings
Now in conjunction with the accompanying drawings the utility model is described in further detail.
Fig. 1 is the schematic diagram of heating furnace automatic control system described in the utility model.
Arrow is represented the air-flow trend among the figure.
The specific embodiment
As shown in Figure 1, this heating furnace automatic control system comprises source of the gas main valve 1, source of the gas control valve 3, temperature control valve 4, source of the gas by-passing valve 5, temperature control by-passing valve 6, main fiery control valve 10, female fiery control valve 14, flame detector 12 and temperature controller 9, source of the gas main valve 1 is successively by source of the gas by-passing valve 5, temperature control by-passing valve 6, main fiery control valve 10 is communicated with the main ignition combustor 11 of heating furnace, also successively by source of the gas control valve 3, temperature control valve 4, main fiery control valve 10 is communicated with the main ignition combustor 11 of heating furnace, wherein, source of the gas main valve 1, source of the gas by-passing valve 5, temperature control by-passing valve 6, main fiery control valve 10 and female fiery control valve 14 are manual modulation valve, source of the gas control valve 3 and temperature control valve 4 are pneumatic diaphragm control valve, source of the gas main valve 1 is connected with the control mouth of Pressure gauge 8 and temperature control valve 4 respectively by temperature controller 9, and be connected with the control mouth of Pressure gauge 7 and source of the gas control valve 3 respectively by flame detector 12,3 outlets of source of the gas control valve, 5 outlets of source of the gas by-passing valve, temperature control valve 4 imports, 6 imports of temperature control by-passing valve are simultaneously successively by female fiery control valve 15, female fiery control valve 14 is communicated with female ignition combustor 13 of heating furnace, and simultaneously successively by igniting by-passing valve 16, female fiery control valve 14 is communicated with female ignition combustor 13 of heating furnace, also simultaneously successively by magnetic valve 2, female fiery control valve 14 is communicated with female ignition combustor 13 of heating furnace, igniting by-passing valve 16 is a manual modulation valve, female fiery control valve 15 is a pneumatic diaphragm control valve, its control mouth is communicated with the control mouth of source of the gas control valve 3, and ignition 17 is electrically connected with magnetic valve 2 and female ignition combustor 13.
Before carrying out electronic ignition, should check whether each manual modulation valve closes, and ignition 17 is connected with the mains.At first with source of the gas main valve 1, source of the gas by-passing valve 5 is opened, the fiery control valve 14 of mother is opened certain aperture, press the button ignition switch of ignition 17 then, then the natural gas via magnetic valve 2, female fiery control valve 14 is to female ignition combustor 13, and female ignition combustor 13 lighted, to flame detector 12 heating, treat to open igniting by-passing valve 16 rapidly after the flame ignition, after opening, igniting by-passing valve 16 decontrols button ignition switch again, when treating that the Pressure gauge 7 that is connected with flame detector 12 has certain reading, close igniting by-passing valve 16 and source of the gas by-passing valve 5 again, female ignition combustor 13 is burnt away, main fiery control valve 10 can be opened afterwards, make the equipment normal operation input.
This control system also can be carried out manual ignition to heating furnace: earlier source of the gas by-passing valve 5 is opened, open source of the gas by-passing valve 5, igniting by-passing valve 16, female fiery control valve 14 again, and cooperate torch that female ignition combustor 13 is lighted, after female ignition combustor 13 is lighted temperature control by-passing valve 6 is opened, opened main fiery control valve 10 again and make the equipment normal operation input.
Heating furnace is in course of normal operation, and temperature controller 9 detects when temperature is lower than design temperature in the heating furnace, and temperature controller 9 is conducting, thereby opens temperature control valve 4, controls main ignition combustor 11 and burns; When temperature was higher than design temperature, temperature controller 9 cut out, thereby temperature control valve 4 cuts out, main ignition combustor 11 burn-outs.Thereby realized controlling the burning of main ignition combustor 11 according to the height of furnace temp.
When flame detector 12 detects that female ignition combustor 13 is in fired state in the burner hearth, flame detector 12 promptly keeps conducting state, and source of the gas control valve 3, female fiery control valve 15 are stayed open, natural gas burns for main ignition combustor 11 by source of the gas control valve 3, temperature control valve 4, main fiery control valve 10; Behind female ignition combustor 13 abnormal misfires, flame detector 12 cuts out, thereby source of the gas control valve 3 is closed and cuts off source of the gas, prevents that natural gas leaking from causing peril, thereby has realized the extinguish protection function of this control system.
Claims (1)
1, a kind of heating furnace automatic control system, comprise source of the gas main valve (1), source of the gas control valve (3), temperature control valve (4), source of the gas by-passing valve (5), temperature control by-passing valve (6), main fiery control valve (10), female fiery control valve (14), flame detector (12) and temperature controller (9), source of the gas main valve (1) is successively by source of the gas by-passing valve (5), temperature control by-passing valve (6), main fiery control valve (10) is communicated with the main ignition combustor (11) of heating furnace, also successively by source of the gas control valve (3), temperature control valve (4), main fiery control valve (10) is communicated with the main ignition combustor (11) of heating furnace, wherein, source of the gas main valve (1), source of the gas by-passing valve (5), temperature control by-passing valve (6), main fiery control valve (10) and female fiery control valve (14) are manual modulation valve, source of the gas control valve (3) and temperature control valve (4) are pneumatic diaphragm control valve, source of the gas main valve (1) is connected with the control mouth of temperature control valve (4) by temperature controller (9), and be connected with the control mouth of Pressure gauge (7) respectively by flame detector (12) with source of the gas control valve (3), it is characterized in that: source of the gas control valve (3) outlet, source of the gas by-passing valve (5) outlet, temperature control valve (4) import, temperature control by-passing valve (6) import is simultaneously successively by female fiery control valve (15), female fiery control valve (14) is communicated with female ignition combustor (13) of heating furnace, and simultaneously successively by igniting by-passing valve (16), female fiery control valve (14) is communicated with female ignition combustor (13) of heating furnace, also simultaneously successively by magnetic valve (2), female fiery control valve (14) is communicated with female ignition combustor (13) of heating furnace, igniting by-passing valve (16) is a manual modulation valve, female fiery control valve (15) is a pneumatic diaphragm control valve, its control mouth is communicated with the control mouth of source of the gas control valve (3), and ignition (17) is electrically connected with magnetic valve (2) and female ignition combustor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201882283U CN201129866Y (en) | 2007-11-15 | 2007-11-15 | Automatic control system of heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201882283U CN201129866Y (en) | 2007-11-15 | 2007-11-15 | Automatic control system of heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201129866Y true CN201129866Y (en) | 2008-10-08 |
Family
ID=40017720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201882283U Expired - Fee Related CN201129866Y (en) | 2007-11-15 | 2007-11-15 | Automatic control system of heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201129866Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716278A (en) * | 2014-12-23 | 2016-06-29 | 重庆恬愉石油技术有限公司 | Water jacket heater based on non-electric control |
-
2007
- 2007-11-15 CN CNU2007201882283U patent/CN201129866Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716278A (en) * | 2014-12-23 | 2016-06-29 | 重庆恬愉石油技术有限公司 | Water jacket heater based on non-electric control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104421959A (en) | Gas burning system and igniting method thereof | |
| CN201126265Y (en) | Automatic control system of heating stove | |
| US4515554A (en) | Ignition and fuel supply system for a gas-fueled heat-radiator | |
| CN102401467A (en) | Household dual-purpose furnace capable of automatically controlling heat supply and water heating | |
| CN202024361U (en) | Ignition controller capable of monitoring automatically | |
| CN109340788A (en) | A kind of coke oven emission igniter kept burning day and night | |
| CN201129866Y (en) | Automatic control system of heating furnace | |
| CN209706126U (en) | ISP ignition furnace of sintering machine ignition device for natural gas | |
| CN102563695A (en) | Automatic monitoring ignition controller | |
| CN201170606Y (en) | Smart Electronic Ignition Gas Stove | |
| CN101532661B (en) | Gas combustion system with eternal flame | |
| CN203744377U (en) | Gas heater | |
| CN105402766B (en) | Gas valve control method for gas | |
| CN205299963U (en) | Electronic, pneumatic mixing control system of heating furnace negative -pressure firing | |
| CN209399577U (en) | Oil field is with without electric automatic control heating furnace | |
| RU2518759C1 (en) | Oil-gas burner | |
| CN204730259U (en) | A kind of intelligent automatic control gas range igniter | |
| CN210832563U (en) | Vibration-proof structure for forced-blowing combustion water heater and forced-blowing combustion water heater | |
| TW202012848A (en) | Gas stove system and control method thereof capable of preventing the leaked gas of one combustor from being ignited by another combustor | |
| CN204593483U (en) | A kind of frying cooker with three-dimensional security protective device | |
| CN211965362U (en) | Be used for prosthetic burning processing apparatus of contaminated site thermal desorption | |
| CN105333463B (en) | The method for controlling combustion of gas | |
| CN200983817Y (en) | Heating equipment of the tea platen continuous cooking machine | |
| CN109059286A (en) | Oil field is with without electric automatic control heating system and method | |
| WO2021145836A1 (en) | Ignition system working with 24 volt energy used in stone oven which operated by natural gas, cng, lpg type gas fuel |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20161115 |