CN204186368U - The automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace - Google Patents
The automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace Download PDFInfo
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- CN204186368U CN204186368U CN201420572317.8U CN201420572317U CN204186368U CN 204186368 U CN204186368 U CN 204186368U CN 201420572317 U CN201420572317 U CN 201420572317U CN 204186368 U CN204186368 U CN 204186368U
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Abstract
The automatic temperature-controlled gas combustion apparatus of a kind of heavy oil wells heating furnace, comprising: Mechanical course and electrical control two parts; Mechanical control part is made up of little nozzles, large nozzles, electromagnetic valve, threeway, pressure meter, pipeline, reducing valve, valve; Electric control system is made up of fuel gas alarm, intelligent controller, A.C. contactor, fuse, residual current circuit breaker, locking press button, electronic temperature controller, relay, electromagnetic valve, blower fan, audible-visual annunciator.Little nozzles, the large nozzles of described mechanical control part are connected with electromagnetic valve respectively, be connected, between threeway and reducing valve, be provided with pressure meter by threeway, pipeline with reducing valve, valve.Described electric control system comprises alternating current circuit and DC circuit.The utility model is applicable to oil-field thick-oil well individual well heating furnace and automatically controls, safe and reliable, avoids heating furnace flame-out or heating furnace tube burnt out, burst, causes phenomenon of catching fire to occur, ensure that oilfield safety is produced.
Description
Technical field
the utility model relates to oil-field thick-oil well exploitation ground crude oil heating heating furnace automatic control technology, the specifically automatic temperature-controlled gas combustion apparatus of a kind of heavy oil wells heating furnace.
Background technology
at present, along with modern petroleum industrial development, heavy oil wells exploitation is more and more, and heavy oil wells is winter particularly, and viscous crude flow resistance is large, and single well pipeline back pressure is high, easily causes single well pipeline weak part to bore a hole, reveals, cause environment pollution.Usual employing individual well heating furnace reduces viscosity of crude, thus reaches reduction pipeline back pressure, increases the object of heavy oil production.The on-the-spot self-produced casing gas of oil well or the external natural gas of adopting is as source of the gas, and flame size generally adopts high-pressure needle valve Non-follow control.Because casing gas pressure is higher and unstable, in addition, because oil well production is also unstable, sometimes there is the fuel-displaced phenomenon in gap.Because of extreme natural environment factor (such as strong wind) thus cause heating furnace stop working, pipeline internal medium temperature declines, viscosity raises, cause oil pipeline to block, cause well head to run the bad or pipeline burst of oil, valve mat thorn, cause waste source of the gas, contaminated environment phenomenon occurs.
Summary of the invention
the purpose of this utility model is exactly for above-mentioned weak point, designs the automatic temperature-controlled gas combustion apparatus of a kind of heavy oil wells heating furnace.
the purpose of this utility model is realized by following technical proposals:
technical solutions of the utility model comprise: Mechanical course and electrical control two parts; Mechanical control part is made up of little nozzles, large nozzles, electromagnetic valve YM1, YM2, threeway, pressure meter, pipeline, reducing valve, valve; Electric control system is made up of fuel gas alarm ZJ, intelligent controller LOGO, A.C. contactor KM1, KM2, fuse FU, residual current circuit breaker QF, locking press button SB1, SB2, electronic temperature controller PT100, relay K C1, KC2, KC3, KC4, KC5, KC6, electromagnetic valve YM1, YM2, blower fan M, audible-visual annunciator HA.Little nozzles, the large nozzles of the mechanical control part of the described automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace are connected with electromagnetic valve, electromagnetic valve respectively, are connected with reducing valve, valve by threeway, pipeline, between threeway and reducing valve, be provided with pressure meter.
electric control system in the automatic temperature-controlled gas combustion apparatus of above-mentioned heavy oil wells heating furnace comprises alternating current circuit and DC circuit.
alternating current circuit main line in the automatic temperature-controlled gas combustion apparatus of above-mentioned heavy oil wells heating furnace is provided with fuse FU, residual current circuit breaker QF, locking press button SB1, fuel gas alarm ZJ, intelligent controller LOGO, A.C. contactor KM1, KM2 parallel connection in circuit, the normal battle of the electronic temperature controller PT100 and relay K C1 that connects in the circuit of A.C. contactor KM1 and the normally closed point of relay K C2; To connect in the circuit of A.C. contactor KM2 the normal battle of relay K C2 and the normally closed point of relay K C1 and electronic temperature controller PT100; The normally closed point of fuel gas alarm ZJ, electronic temperature controller PT100 is connected between the head end of A.C. contactor KM1 A.C. contactor KM2 circuit.
relay K C1, KC2 in the automatic temperature-controlled gas combustion apparatus of above-mentioned heavy oil wells heating furnace in DC circuit, KC3, KC4, KC5, KC6, electromagnetic valve YM1, YM2, blower fan M, audible-visual annunciator HA are parallel circuit; The output contact J1 of intelligent controller is connected in the circuit of relay K C1; The front end of relay K C2 and relay K C3 parallel line is connected to the output contact J2 of intelligent controller; Output contact J3, J4, J5 of the front end difference intelligent controller of relay K C4, relay K C5, relay K C6; The front end of electromagnetic valve YM1, YM2, blower fan M is connected to the normal battle of relay K C3, relay K C4, relay K C5 respectively; The front end of audible-visual annunciator HA is connected to normal battle and the locking press button SB2 of relay K C6.
operating principle:
first, close residual current circuit breaker QF, presses locking press button SB1, and fuel gas alarm ZJ, intelligent controller LOGO, electronic temperature controller PT100,24V dc source enter readiness for operation.
secondly, when pipeline internal medium temperature is lower than setting value, the normal opening and closing of electronic temperature controller PT100 is closed, output signal to intelligent controller LOGO, the output point J1 of intelligent controller drives relay K C1, KC1 normal opening and closing splice grafting to lead to KM1 coil (the normally closed disconnection of KC1 simultaneously, cut-out point ignition circuit), blower fan M starts working, and purges burner hearth to setting time.
3rd, purge time to and gas concentration below safety value time, intelligent controller output point J2 drives relay K C2, KC2 normal opening and closing to close (the normally closed disconnection of KC2 simultaneously, cuts off blower fan operating circuit) and connects KM2 coil, and igniter carries out ignition operation.The normal opening and closing of KC3 is closed, and electromagnetic valve YM1 opens, the little fiery furnace lifting of heating furnace, and the normal opening and closing of KC4 is closed, and electromagnetic valve YM2 opens, and the full fire of heating furnace is heated work.
4th, after igniting, after electronic temperature controller PT100 detects that chimney temperature reaches setting valve, electronic temperature controller PT100 normally closed some action, cut-out point ignition circuit.
5th, the pipeline medium temperature upper and lower limit that electronic temperature controller PT100 adjusts according to electronic temperature controller PT100, reflect dielectric heating state, and the digital quantity signal that corresponding state produces is delivered to intelligent controller LOGO, logical operation is carried out, by the relay K C3 of intelligent controller output point J2, J3 Controlling solenoid valve YM1, YM2, the duty of KC4 by intelligent controller LOGO.
6th, after normal operation, drive relay K C5 by intelligent controller output point J4, make blower fan M intermitten service, for device air blast cooling in summer.
7th, when needs are reported to the police, intelligent controller LOGO drives relay K C6, and audible-visual annunciator HA sends sound and light alarm.
8th, when pipeline internal medium temperature exceedes higher limit, electronic temperature controller PT100 normally closed some action, cut off KM2 circuit, forbid lighting a fire, and urgency is carried out to electromagnetic valve YM1 stop, after pipeline medium temperature drops to positive fixed temperature, the normally closed reset of electronic temperature controller PT100, intelligent controller LOGO carries out next round duty.
9th, when the combustable gas concentration in burner hearth transfinites, the normal opening and closing of fuel gas alarm ZJ is closed, and to intelligent controller LOGO data signal, enters and suddenly stops defence program and mode of operation.
the beneficial effects of the utility model are: be applicable to oil-field thick-oil well individual well heating furnace and automatically control, safe and reliable, heating furnace is avoided to stop working, pipeline internal medium temperature declines, viscosity raises, oil pipeline is caused to block, cause that well head runs oil, valve mat thorn is bad or heating furnace tube is burnt out, burst, causing waste source of the gas, contaminated environment phenomenon occurs, ensureing that oilfield safety is produced.
Accompanying drawing explanation
fig. 1-utility model works theory diagram.
fig. 2-the utility model alternating current circuit fundamental diagram.
fig. 3-the utility model DC circuit fundamental diagram.
fig. 4-the utility model structural representation.
in figure, 1. little nozzles, 2. large nozzles, 3. threeway, 4. pressure meter, 5. pipeline, 6. reducing valve, 7. valve; ZJ. fuel gas alarm, LOGO. intelligent controller, KM1, KM2 A.C. contactor, FU. fuse, QF. residual current circuit breaker, SB1, SB2. locking press button, PT100. electronic temperature controller, KC1, KC2, KC3, KC4, KC5, KC6. relay, the output point of J1, J2, J3, J4, J5. intelligent controller, YM1, YM2 electromagnetic valve, M. blower fan, HA. audible-visual annunciator.
Detailed description of the invention
by reference to the accompanying drawings, the utility model will be further described:
the automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace, comprising: Mechanical course and electrical control two parts; Mechanical control part is made up of little nozzles 1, large nozzles 2, electromagnetic valve YM1, YM2, threeway 3, pressure meter 4, pipeline 5, reducing valve 6, valve 7; Electric control system is made up of fuel gas alarm ZJ, intelligent controller LOGO, A.C. contactor KM1, KM2, fuse FU, residual current circuit breaker QF, locking press button SB1, SB2, electronic temperature controller PT100, relay K C1, KC2, KC3, KC4, KC5, KC6, electromagnetic valve YM1, YM2, blower fan M, audible-visual annunciator HA.Little nozzles 1, the large nozzles 2 of the mechanical control part of the described automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace are connected with electromagnetic valve YM1, electromagnetic valve YM2 respectively, be connected with reducing valve 6, valve 7 by threeway 3, pipeline 5, between threeway 3 and reducing valve 6, be provided with pressure meter 4.Described electric control system is by residual current circuit breaker QF, and press locking press button SB1, fuel gas alarm ZJ, intelligent controller LOGO, electronic temperature controller PT100,24V dc source enter readiness for operation.By intelligent controller LOGO, control igniter and carry out ignition operation.The normal opening and closing of KC3 is closed, and electromagnetic valve YM1 opens, the little fiery furnace lifting of heating furnace, and the normal opening and closing of KC4 is closed, and electromagnetic valve YM2 opens, and the full fire of heating furnace is heated work.When pipeline internal medium temperature exceedes higher limit, electronic temperature controller PT100 normally closed some action, cut off KM2 circuit, forbid lighting a fire, and urgency is carried out to electromagnetic valve YM1 stop, after pipeline medium temperature drops to temperature of adjusting, the normally closed reset of electronic temperature controller PT100, intelligent controller LOGO carries out next round duty, thus reaches the object automatically controlling heating furnace.
Claims (4)
1.
the automatic temperature-controlled gas combustion apparatus of a kind of heavy oil wells heating furnace, comprising: Mechanical course and electrical control two parts; Mechanical control part is made up of little nozzles (1), large nozzles (2), electromagnetic valve (YM1, YM2), threeway (3), pressure meter (4), pipeline (5), reducing valve (6), valve (7); Electric control system is made up of fuel gas alarm (ZJ), intelligent controller (LOGO), A.C. contactor (KM1, KM2), fuse (FU), residual current circuit breaker (QF), locking press button (SB1, SB2), electronic temperature controller (PT100), relay (KC1, KC2, KC3, KC4, KC5, KC6), electromagnetic valve (YM1, YM2), blower fan (M), audible-visual annunciator (HA); It is characterized in that: little nozzles (1), the large nozzles (2) of the mechanical control part of the described automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace are connected with electromagnetic valve (YM1), electromagnetic valve (YM2) respectively, be connected with reducing valve (6), valve (7) by threeway (3), pipeline (5), between threeway (3) and reducing valve (6), be provided with pressure meter (4).
2.
the automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace according to claim 1, is characterized in that: described electric control system comprises alternating current circuit and DC circuit.
3.
the automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace according to claim 2, it is characterized in that: described alternating current circuit main line is provided with fuse (FU), residual current circuit breaker (QF), locking press button (SB1), fuel gas alarm (ZJ), intelligent controller (LOGO), A.C. contactor (KM1, KM2) parallel connection in circuit, connect in the circuit of A.C. contactor (KM1) the normal battle of electronic temperature controller (PT100) and relay (KC1) and the normally closed point of relay (KC2); To connect in the circuit of A.C. contactor (KM2) the normal battle of relay (KC2) and the normally closed point of relay (KC1) and electronic temperature controller (PT100); The normally closed point of fuel gas alarm (ZJ), electronic temperature controller (PT100) is connected between the head end of A.C. contactor (KM1) A.C. contactor (KM2) circuit.
4.
the automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace according to claim 2, is characterized in that: the relay (KC1, KC2, KC3, KC4, KC5, KC6) in described DC circuit, electromagnetic valve (YM1, YM2), blower fan (M), audible-visual annunciator (HA) are parallel circuit; The output point (J1) of intelligent controller is connected in the circuit of relay (KC1); Relay (KC2) is connected to the output point (J2) of intelligent controller with the front end of relay (KC3) parallel line; The front end of relay (KC4), relay (KC5), relay (KC6) is connected to the output point (J3, J4, J5) of intelligent controller respectively; The front end of electromagnetic valve (YM1, YM2), blower fan (M) is connected to the normal battle of relay (KC3), relay (KC4), relay (KC5) respectively; The front end of audible-visual annunciator (HA) is connected to normal battle and the locking press button (SB2) of relay (KC6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420572317.8U CN204186368U (en) | 2014-10-01 | 2014-10-01 | The automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420572317.8U CN204186368U (en) | 2014-10-01 | 2014-10-01 | The automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace |
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| CN204186368U true CN204186368U (en) | 2015-03-04 |
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| CN201420572317.8U Expired - Fee Related CN204186368U (en) | 2014-10-01 | 2014-10-01 | The automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247397A (en) * | 2016-09-23 | 2016-12-21 | 杨永刚 | Safe separating formula combustor control system |
| CN107905747A (en) * | 2017-12-12 | 2018-04-13 | 中国石油化工股份有限公司 | A kind of oil-field thick-oil water mixing well consumption reduction hot wash control device and method |
| CN111980625A (en) * | 2020-09-10 | 2020-11-24 | 盘锦华晨石油装备制造有限公司 | Intelligent wellhead heating switch pressure regulating system |
-
2014
- 2014-10-01 CN CN201420572317.8U patent/CN204186368U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247397A (en) * | 2016-09-23 | 2016-12-21 | 杨永刚 | Safe separating formula combustor control system |
| CN107905747A (en) * | 2017-12-12 | 2018-04-13 | 中国石油化工股份有限公司 | A kind of oil-field thick-oil water mixing well consumption reduction hot wash control device and method |
| CN107905747B (en) * | 2017-12-12 | 2023-10-24 | 中国石油化工股份有限公司 | Device and method for controlling heat-consumption-reducing and heat-washing of thickened oil well in oil field |
| CN111980625A (en) * | 2020-09-10 | 2020-11-24 | 盘锦华晨石油装备制造有限公司 | Intelligent wellhead heating switch pressure regulating system |
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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: 20150304 Termination date: 20151001 |
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| EXPY | Termination of patent right or utility model |