CN110726246A - Automatic ignition and temperature control method and system for water jacket heating furnace - Google Patents
Automatic ignition and temperature control method and system for water jacket heating furnace Download PDFInfo
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- CN110726246A CN110726246A CN201810780950.9A CN201810780950A CN110726246A CN 110726246 A CN110726246 A CN 110726246A CN 201810780950 A CN201810780950 A CN 201810780950A CN 110726246 A CN110726246 A CN 110726246A
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- heating furnace
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/025—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel
- F24H7/0266—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel the transfer fluid being water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention provides an automatic ignition and temperature control method and system for a water jacket heating furnace, which are used for automatically controlling the ignition of the water jacket heating furnace, avoiding the safety problem caused by manual ignition, controlling the temperature in the heating process, avoiding overheating or insufficient heating caused by overhigh or overlow temperature, avoiding boiling a pot and improving the production efficiency.
Description
Technical Field
The invention relates to a water jacket heating furnace system control method, in particular to an automatic ignition and temperature control method and system for a water jacket heating furnace.
Background
The water jacket heating furnace is a special heating device applied to oil well sites, and is mainly used for heating crude oil and natural gas to a temperature required by a process so as to carry out conveying, settling, separation, dehydration and primary processing. For remote oil wells, especially for wells with low ambient temperature, viscous crude oil and high wax content, the oil is easy to flow in an oil pipeline unsmoothly, and if the oil is not heated up, the pipeline is crushed and blocked, so that the treatment is very difficult. The traditional water jacket heating furnace adopts a manual ignition mode, the ignition is strictly carried out according to the ignition steps of the water jacket furnace, the situations of 'tempering and bore explosion' are easy to occur when well site workers ignite, and the operation has certain risks; when the flame is extinguished, the valve cannot be closed in time, and the fuel gas is continuously led into the water jacket furnace, so that the fuel gas is easy to accumulate and further the explosion danger is caused; the temperature range can not be controlled, insufficient heating or overheating is easily caused, gas is wasted, the temperature is adjusted by manual logging, oil and gas wells in remote areas need to stay well patrol personnel, the untimely water heating process is easy to freeze and block in winter patrol, and the treatment is troublesome.
Disclosure of Invention
The invention aims to provide an automatic ignition and temperature control method and system for a water jacket heating furnace, aiming at the safety problem caused by manual ignition and the problem of insufficient heating or overheating caused by manual temperature adjustment in the prior art, so that the ignition safety of the water jacket heating furnace can be effectively improved, and the insufficient heating or overheating can be avoided.
An automatic ignition and temperature control method for a water jacket heating furnace comprises the following steps:
the control terminal acquires an automatic ignition command and detects whether the control terminal is in an alarm state;
if the ignition condition is met, the control terminal detects whether the ignition condition is met;
if the ignition condition is met, the control terminal controls the ignition device to perform automatic ignition;
after the ignition is successful, the control terminal collects the outlet temperature and the shell temperature according to a preset period;
the control terminal compares the outlet temperature with a preset outlet temperature upper limit threshold and a preset outlet temperature lower limit threshold, and carries out flameout processing when the outlet temperature is higher than the preset outlet temperature upper limit threshold, and generates an automatic ignition command and controls automatic ignition when the outlet temperature is lower than the preset outlet temperature lower limit threshold;
and the control terminal compares the shell temperature with a preset shell temperature upper limit value, and when the shell temperature is higher than the preset shell temperature upper limit value, an alarm is triggered to extinguish.
Further, the ignition device comprises a fan, an igniter, an ignition electromagnetic valve, a main fire electromagnetic valve and a flame detector;
the control terminal detects whether the ignition condition is met or not, and the method comprises the following steps:
whether a flame exists is detected by a flame detector, and if not, the condition of ignition is determined to be met.
Further, if the ignition condition is not met, the control terminal generates an ignition failure alarm signal and carries out pushing display.
Further controlling the terminal to control the ignition device to perform automatic ignition, comprising
The control terminal generates a fan purging control command and sends the fan purging control command to the fan to control the fan to purge for a first preset time;
after the first preset time length is finished, the control terminal controls to close the fan and generate an igniter opening command, and the igniter is opened to maintain a second preset time length;
after the second preset time length is finished, the control terminal generates an ignition solenoid valve opening command, and the ignition solenoid valve is opened for maintaining a third preset time length;
after the third preset time period is over, the control terminal generates a main fire electromagnetic valve opening command and opens the main fire electromagnetic valve;
and the control terminal judges whether the ignition is successful or not, and controls to close the igniter and the ignition solenoid valve if the ignition is successful.
Further, the control terminal judges whether the ignition is successful or not, and the method comprises the following steps:
the control terminal detects whether flame exists through the flame detector, and if so, the control terminal determines that the ignition is successful.
Further, if the ignition is unsuccessful, the control terminal controls to close the igniter, the ignition electromagnetic valve and the main fire electromagnetic valve and triggers an alarm.
Further, the flame-out process comprises:
and the control terminal generates a flameout signal and sends the flameout signal to the main fire electromagnetic valve to control the closing of the main fire electromagnetic valve.
An automatic ignition and temperature control system of a water jacket heating furnace comprises a heating furnace body, a control terminal, an ignition device, a first temperature sensor, a second temperature sensor and a memory;
the ignition device is arranged in the heating furnace body, the first temperature sensor is arranged on a shell of the heating furnace body, the second temperature sensor is arranged on an outlet of the heating furnace body, the first temperature sensor is used for collecting the temperature of the shell, and the second temperature sensor is used for collecting the temperature of the outlet;
the first temperature sensor, the second temperature sensor, the ignition device and the memory are all connected with the control terminal, the memory stores a plurality of instructions, and the control terminal is used for reading the plurality of instructions and executing:
acquiring an automatic ignition command and detecting whether the vehicle is in an alarm state;
if the ignition condition is not in the alarm state, detecting whether the ignition condition is met;
if the ignition condition is met, controlling an ignition device to perform automatic ignition;
after ignition is successful, acquiring the outlet temperature and the shell temperature according to a preset period;
comparing the outlet temperature with a preset outlet temperature upper limit threshold and a preset outlet temperature lower limit threshold, performing flameout processing when the outlet temperature is higher than the preset outlet temperature upper limit threshold, and generating an automatic ignition command and controlling automatic ignition when the outlet temperature is lower than the preset outlet temperature lower limit threshold;
and comparing the shell temperature with a preset shell temperature upper limit value, and triggering an alarm to perform flameout treatment when the shell temperature is higher than the preset shell temperature upper limit value.
Further, the ignition device comprises a fan, an igniter, an ignition solenoid valve, a main fire solenoid valve and a flame detector.
Further, the water jacket heating furnace also comprises a control panel, and the control panel is connected with the control terminal.
According to the automatic ignition and temperature control method and system for the water jacket heating furnace, the ignition of the water jacket heating furnace is automatically controlled, the safety problem caused by manual ignition is avoided, the temperature is controlled in the heating process, overheating or insufficient heating caused by overhigh or overlow temperature is avoided, the pan is prevented from being boiled, and the production efficiency is improved.
Drawings
FIG. 1 is a flow chart of an embodiment of the auto-ignition and temperature control method for a water jacket heating furnace according to the present invention.
FIG. 2 is a flowchart of an embodiment of auto-ignition control in the water jacket heating furnace auto-ignition and temperature control method provided by the invention.
FIG. 3 is a flow chart of an embodiment of temperature control in the automatic ignition and temperature control method of the water jacket heating furnace according to the invention.
FIG. 4 is a schematic structural diagram of an embodiment of the auto-ignition and temperature control system of the water jacket heating furnace according to the present invention.
FIG. 5 is a schematic structural diagram of an embodiment of an ignition device in the automatic ignition and temperature control system of the water jacket heating furnace provided by the invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1 to 3, the present embodiment provides an auto-ignition and temperature control method for a water jacket heating furnace, including:
step S101, a control terminal acquires an automatic ignition command and detects whether the control terminal is in an alarm state;
step S102, if the vehicle is in a non-alarm state, the control terminal detects whether an ignition condition is met;
step S103, if the ignition condition is met, the control terminal controls the ignition device to perform automatic ignition;
step S104, after the ignition is successful, the control terminal collects the outlet temperature and the shell temperature according to a preset period;
step S105, comparing the outlet temperature with a preset outlet temperature upper limit threshold and a preset outlet temperature lower limit threshold by the control terminal, performing flameout processing when the outlet temperature is higher than the preset outlet temperature upper limit threshold, and generating an automatic ignition command and controlling automatic ignition when the outlet temperature is lower than the preset outlet temperature lower limit threshold;
and S106, comparing the shell temperature with a preset shell temperature upper limit value by the control terminal, and triggering an alarm to perform flameout treatment when the shell temperature is higher than the preset shell temperature upper limit value.
Specifically, step S101 is executed, and the control terminal obtains an auto-ignition command, where the auto-ignition command is from an operator pressing "start ignition" on the control panel, or an auto-ignition command generated when the outlet temperature is lower than the preset outlet temperature lower limit threshold in step S105. And detecting whether the shell is in an alarm state, wherein the alarm state comprises an alarm triggered when the shell temperature is higher than a preset shell temperature upper limit value, an ignition failure alarm triggered without an ignition condition and an alarm triggered unsuccessfully.
The ignition device comprises a fan, an igniter, an ignition electromagnetic valve, a main fire electromagnetic valve and a flame detector.
Step S102 is executed, if the terminal is in a non-alarm state, the control terminal detects whether an ignition condition is met, and the steps comprise: whether a flame exists is detected by a flame detector, and if not, the condition of ignition is determined to be met.
And if the ignition condition is not met, the control terminal generates an ignition failure alarm signal and carries out pushing display.
Step S103 is executed, if the ignition condition is met, the control terminal controls an ignition device to perform automatic ignition, the ignition device comprises a fan, an igniter, an ignition electromagnetic valve, a main fire electromagnetic valve and a flame detector, and the main fire electromagnetic valve is a valve of a natural gas supply pipeline; the control terminal controls the ignition device to carry out automatic ignition, and the control terminal comprises:
the control terminal generates a fan purging control command and sends the fan purging control command to the fan to control the fan to purge for a first preset time;
after the first preset time length is finished, the control terminal controls to close the fan and generate an igniter opening command, and the igniter is opened to maintain a second preset time length;
after the second preset time length is finished, the control terminal generates an ignition solenoid valve opening command, and the ignition solenoid valve is opened for maintaining a third preset time length;
after the third preset time period is over, the control terminal generates a main fire electromagnetic valve opening command and opens the main fire electromagnetic valve;
and the control terminal judges whether the ignition is successful or not, and controls to close the igniter and the ignition solenoid valve if the ignition is successful.
Wherein, whether control terminal judgement ignition succeeds includes:
the control terminal receives a flame feedback signal collected by the flame detector, judges whether ignition is successful or not according to the flame feedback signal, and determines that ignition is successful if flame exists, otherwise.
Further, if the ignition is unsuccessful, the control terminal controls to close the igniter, the ignition electromagnetic valve and the main fire electromagnetic valve and triggers an alarm.
After the ignition is successful, temperature control is carried out, step S104 is executed, and the control terminal collects the outlet temperature and the shell temperature according to a preset period, specifically, the shell temperature and the outlet temperature are collected through a first temperature sensor arranged on the shell of the heating furnace body and a second temperature sensor arranged at the outlet.
Step S105 is executed, the control terminal compares the outlet temperature with a preset outlet temperature upper limit threshold and a preset outlet temperature lower limit threshold, and flameout processing is carried out when the outlet temperature is higher than the preset outlet temperature upper limit threshold: generating a flameout signal, sending the flameout signal to the main fire electromagnetic valve, and controlling to close the main fire electromagnetic valve; and when the outlet temperature is lower than the preset outlet temperature lower limit threshold, generating an automatic ignition command, and restarting automatic ignition.
And S106 is executed, the control terminal compares the shell temperature with a preset shell temperature upper limit value, when the shell temperature is higher than the preset shell temperature upper limit value, a flameout signal is generated and sent to the main fire electromagnetic valve, and the main fire electromagnetic valve is controlled to be closed.
In addition, the control terminal also receives a stop control instruction from an operator to press a stop button on the control panel to control flameout.
The automatic ignition and temperature control method for the water jacket heating furnace provided by the embodiment has the advantages that the automatic ignition and temperature control method for the water jacket heating furnace has the advantages that the ignition of the water jacket heating furnace is automatically controlled, the safety problem caused by manual ignition is avoided, the temperature control is carried out in the heating process, the overheating or insufficient heating caused by overhigh or overlow temperature is avoided, the boiling of a pot is avoided, and the production efficiency is improved.
Example two
Referring to fig. 4, the present embodiment provides an auto-ignition and temperature control system for a water jacket heating furnace, which includes a heating furnace body 201, a control terminal 202, an ignition device 203, a first temperature sensor 204, a second temperature sensor 205 and a memory 206;
the ignition device 203 is arranged in the heating furnace body 201, the first temperature sensor 204 is arranged on a shell of the heating furnace body, the second temperature sensor 205 is arranged on an outlet of the heating furnace body 201, the first temperature sensor 204 is used for collecting the temperature of the shell, and the second temperature sensor 205 is used for collecting the temperature of the outlet;
the first temperature sensor 204, the second temperature sensor 205, the ignition device 203 and the memory 206 are all connected to the control terminal 202, the memory 206 stores a plurality of instructions, and the control terminal 202 is configured to read the plurality of instructions and execute:
acquiring an automatic ignition command and detecting whether the vehicle is in an alarm state;
if the ignition condition is not in the alarm state, detecting whether the ignition condition is met;
if the ignition condition is met, controlling an ignition device to perform automatic ignition;
after ignition is successful, acquiring the outlet temperature and the shell temperature according to a preset period;
comparing the outlet temperature with a preset outlet temperature upper limit threshold and a preset outlet temperature lower limit threshold, performing flameout processing when the outlet temperature is higher than the preset outlet temperature upper limit threshold, and performing automatic ignition when the outlet temperature is lower than the preset outlet temperature lower limit threshold;
and comparing the shell temperature with a preset shell temperature upper limit value, and triggering an alarm to perform flameout treatment when the shell temperature is higher than the preset shell temperature upper limit value.
Specifically, referring to fig. 5, the ignition device 203 includes a fan 2031, an igniter 2032, an ignition solenoid valve 2033, a main fire solenoid valve 2034, and a flame detector 2035.
Further, the control terminal 202 also performs: whether a flame exists is detected by a flame detector, and if not, the condition of ignition is determined to be met.
And if the ignition condition is not met, the control terminal generates an ignition failure alarm signal and carries out pushing display.
Further, the control terminal 202 also performs:
generating a fan purging control command, sending the fan purging control command to a fan, and controlling the fan to purge for a first preset time;
after the first preset time length is finished, the control terminal controls to close the fan and generate an igniter opening command, and the igniter is opened to maintain a second preset time length;
after the second preset time length is finished, the control terminal generates an ignition solenoid valve opening command, and the ignition solenoid valve is opened for maintaining a third preset time length;
after the third preset time period is over, the control terminal generates a main fire electromagnetic valve opening command and opens the main fire electromagnetic valve;
and the control terminal judges whether the ignition is successful or not, and controls to close the igniter and the ignition solenoid valve if the ignition is successful.
Further, the control terminal 202 also performs:
and receiving a flame feedback signal collected by the flame detector 2035, and judging whether ignition is successful or not according to the flame feedback signal.
Further, the control terminal 202 also performs: if the ignition is unsuccessful, the igniter, the ignition electromagnetic valve and the main fire electromagnetic valve are controlled to be closed, and an alarm is triggered.
Further, the control terminal 202 also performs:
and generating a flameout signal, sending the flameout signal to the main fire electromagnetic valve, and controlling to close the main fire electromagnetic valve.
Further, the automatic ignition and temperature control system for the water jacket heating furnace provided by the embodiment further comprises a control panel 207, the control panel 207 is connected with the control terminal 202, and buttons such as "start ignition", "stop", and the like are arranged on the control panel.
The water jacket heating furnace automatic ignition and temperature control system that this embodiment provided, the safety problem that manual ignition brought is avoided in the ignition of automatic control water jacket heating furnace, carries out temperature control among the heating process, avoids the high temperature or crosses the overheat or the heating that lead to the fact inadequately excessively, avoids boiling pot, improves production efficiency.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. An automatic ignition and temperature control method for a water jacket heating furnace is characterized by comprising the following steps:
the control terminal acquires an automatic ignition command and detects whether the control terminal is in an alarm state;
if the ignition condition is met, the control terminal detects whether the ignition condition is met;
if the ignition condition is met, the control terminal controls the ignition device to perform automatic ignition;
after the ignition is successful, the control terminal collects the outlet temperature and the shell temperature according to a preset period;
the control terminal compares the outlet temperature with a preset outlet temperature upper limit threshold and a preset outlet temperature lower limit threshold, and carries out flameout processing when the outlet temperature is higher than the preset outlet temperature upper limit threshold, and generates an automatic ignition command and controls automatic ignition when the outlet temperature is lower than the preset outlet temperature lower limit threshold;
and the control terminal compares the shell temperature with a preset shell temperature upper limit value, and when the shell temperature is higher than the preset shell temperature upper limit value, an alarm is triggered to extinguish.
2. The automatic ignition and temperature control method for the water jacket heating furnace according to claim 1, wherein the ignition device comprises a fan, an igniter, an ignition solenoid valve, a main fire solenoid valve and a flame detector;
the control terminal detects whether the ignition condition is met or not, and the method comprises the following steps:
whether a flame exists is detected by a flame detector, and if not, the condition of ignition is determined to be met.
3. The auto-ignition and temperature-control method for the water jacket heating furnace according to claim 2, wherein if the ignition condition is not satisfied, the control terminal generates an ignition failure alarm signal and performs a push display.
4. The water jacket heating furnace auto-ignition and temperature control method according to claim 2,
the control terminal controls the ignition device to perform automatic ignition, and comprises
The control terminal generates a fan purging control command and sends the fan purging control command to the fan to control the fan to purge for a first preset time;
after the first preset time length is finished, the control terminal controls to close the fan and generate an igniter opening command, and the igniter is opened to maintain a second preset time length;
after the second preset time length is finished, the control terminal generates an ignition solenoid valve opening command, and the ignition solenoid valve is opened for maintaining a third preset time length;
after the third preset time period is over, the control terminal generates a main fire electromagnetic valve opening command and opens the main fire electromagnetic valve;
and the control terminal judges whether the ignition is successful or not, and controls to close the igniter and the ignition solenoid valve if the ignition is successful.
5. The automatic ignition and temperature control method of the water jacket heating furnace according to claim 4, wherein the control terminal judges whether the ignition is successful or not, and comprises the following steps:
the control terminal detects whether flame exists through the flame detector, and if so, the control terminal determines that the ignition is successful.
6. The automatic ignition and temperature control method for the water jacket heating furnace according to claim 4, wherein if the ignition is unsuccessful, the control terminal controls to close the igniter, the ignition solenoid valve and the main fire solenoid valve and trigger an alarm.
7. The auto-ignition and temperature-control method for a water jacket heating furnace according to claim 4, wherein the extinguishing process comprises:
and the control terminal generates a flameout signal and sends the flameout signal to the main fire electromagnetic valve to control the closing of the main fire electromagnetic valve.
8. An automatic ignition and temperature control system of a water jacket heating furnace is characterized by comprising a heating furnace body, a control terminal, an ignition device, a first temperature sensor, a second temperature sensor and a memory;
the ignition device is arranged in the heating furnace body, the first temperature sensor is arranged on a shell of the heating furnace body, the second temperature sensor is arranged on an outlet of the heating furnace body, the first temperature sensor is used for collecting the temperature of the shell, and the second temperature sensor is used for collecting the temperature of the outlet;
the first temperature sensor, the second temperature sensor, the ignition device and the memory are all connected with the control terminal, the memory stores a plurality of instructions, and the control terminal is used for reading the plurality of instructions and executing:
acquiring an automatic ignition command and detecting whether the vehicle is in an alarm state;
if the ignition condition is not in the alarm state, detecting whether the ignition condition is met;
if the ignition condition is met, controlling an ignition device to perform automatic ignition;
after ignition is successful, acquiring the outlet temperature and the shell temperature according to a preset period;
comparing the outlet temperature with a preset outlet temperature upper limit threshold and a preset outlet temperature lower limit threshold, performing flameout processing when the outlet temperature is higher than the preset outlet temperature upper limit threshold, and generating an automatic ignition command and controlling automatic ignition when the outlet temperature is lower than the preset outlet temperature lower limit threshold;
and comparing the shell temperature with a preset shell temperature upper limit value, and triggering an alarm to perform flameout treatment when the shell temperature is higher than the preset shell temperature upper limit value.
9. The automatic ignition and temperature control system for the water jacket heating furnace according to claim 8, wherein the ignition device comprises a fan, an igniter, an ignition solenoid valve, a main fire solenoid valve and a flame detector.
10. The automatic ignition and temperature control system for the water jacket heating furnace according to claim 8, wherein the water jacket heating furnace further comprises a control panel, and the control panel is connected with the control terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780950.9A CN110726246A (en) | 2018-07-17 | 2018-07-17 | Automatic ignition and temperature control method and system for water jacket heating furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810780950.9A CN110726246A (en) | 2018-07-17 | 2018-07-17 | Automatic ignition and temperature control method and system for water jacket heating furnace |
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| CN201810780950.9A Pending CN110726246A (en) | 2018-07-17 | 2018-07-17 | Automatic ignition and temperature control method and system for water jacket heating furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964095A (en) * | 2020-08-25 | 2020-11-20 | 松山湖材料实验室 | Combustion system control method and device and combustion system |
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| US20130042851A1 (en) * | 2011-08-15 | 2013-02-21 | Carrier Corporation | Furnace Control System and Method |
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|---|---|---|---|---|
| DE2904968A1 (en) * | 1978-02-10 | 1979-08-23 | Nippon Petroleum Refining Co | METHOD AND DEVICE FOR CONTROLLING THE AIR SUPPLY OF A STOVE |
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| CN111964095A (en) * | 2020-08-25 | 2020-11-20 | 松山湖材料实验室 | Combustion system control method and device and combustion system |
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