CN1387018A - Method and apparatus for replacing oil supply pipeline of small furnace without stopping oil supply - Google Patents
Method and apparatus for replacing oil supply pipeline of small furnace without stopping oil supply Download PDFInfo
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- CN1387018A CN1387018A CN 01114951 CN01114951A CN1387018A CN 1387018 A CN1387018 A CN 1387018A CN 01114951 CN01114951 CN 01114951 CN 01114951 A CN01114951 A CN 01114951A CN 1387018 A CN1387018 A CN 1387018A
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Abstract
A method and apparatus for replacing the oil supply pipeline of small furnace without stopping oil supply is disclosed. It is characterized by that a stand-by oil supply pipeline and its connector are used.
Description
The present invention relates to the fuel oil technical field of glass melter, propose a kind of method and apparatus of replacing oil supply pipeline of small furnace without stopping oil supply.
Glass melter is during cold repair, port oil supply pipe to melting furnaces is installed (or maintenance), drop into the continuous oil supply state after going into operation, during ordinary production, do not allow and stop oily phenomenon, occur indivedual port oil feed pipes damages in process of production sometimes and oil leakage phenomenon, particularly fuel feeding sleeve pipe (nexine oil pipe, outer vapour pipe) the oily phenomenon of appearance string easily occurs.Be to guarantee the safety of fuel feeding, need change going here and there the oil supply pipe of oil, vapour that general the employing stopped oil, stopped the supple of gas or steam and change, and needs after the replacing pipeline pressure test is purged, the used time is longer, will influence the stable of melting furnace temperature.
Along with science and technology development, the equipment of glass melter increases substantially, particularly melting furnaces adopt the refractory materials of high-quality high-grade, the work-ing life of glass melter was by original 3～4 years, extend to 5～8 years, what have required more than 10 years, and the material of the port oil supply pipe of melting furnaces does not change, the probability that string oil, vapour phenomenon appear in the safe operating life of corresponding port oil supply pipe and not being complementary the work-ing life of melting furnaces, port oil supply pipe increases.Moreover whether the processing set-up of the port oil supply pipe of melting furnaces satisfy manufacturing technique requirent, if exist unreasonablely, will influence the stable of the combustion position of heavy oil and temperature of fusion.For guaranteeing that processing requirement just needs to change the port oil supply pipe.
General 6～7 pairs of the port of large glass melting furnaces, port of a port stops oil and changes oil supply pipe, need the long period, will exert an influence to melting furnace temperature, and glass production needs temperature to keep relative stability, the fluctuation of melting furnace temperature directly influences glass quality, makes to produce to be subjected to greater loss.
The objective of the invention is to propose a kind of method and apparatus of replacing oil supply pipeline of small furnace without stopping oil supply, it is changed the oil supply pipe of port under the situation of port spray gun fuel feeding not stopping, making the temperature of port keep standard state, produce unaffected.
The technical scheme that the present invention finishes its invention task proposition is: be provided with standby oil supply pipe coupling unit, when the port commutation stops oil, standby oil supply pipe coupling unit is connected with the port spray gun, when port commutation oil spout, utilize the standby oil supply pipe coupling unit that connects with the port spray gun to be port spray gun fuel feeding; Commutate once more when stopping oil at port, will newly spread port oil supply pipe and standby oil supply pipe coupling unit and switch, connect, finish and do not stop the oil supply pipe of port to be changed to port spray gun fuel feeding with the port spray gun.
Standby oil supply pipe coupling unit is made up of standby oil supply pipe, movable port fuel feeding coupling unit; Form one group of commutation oil supply mechanism by branch oil pipe, commutation tracheae, purging tracheae, purging reversing valve, regulated valve in the movable port fueller, the movable port fuel feeding of every cover coupling unit has two groups of commutation oil supply mechanisms, with two oil atomizer gun fuel feeding thinking each port; Wherein, purging the reversing valve main body is a ball-valve structure, and its two ends are communicated with oil circuit respectively and purge gas circuit, and its valve rod is controlled by cylinder, carries out the conversion of fuel feeding, air feed purging; Commutation source of the gas pipe provides source of the gas for the cylinder of control valve rod.
Movable port fuel feeding coupling unit is symmetrically arranged two covers, is installed in the passage place at the bottom of the port neck of both sides respectively; Standby oil supply pipe is symmetrically arranged two, terminate to before it on fuel feeding house steward of port flow valve group of fuel oil handling equipment control room, every pair of port place mounting flange valve at standby oil supply pipe, so that movable port fuel feeding coupling unit connects with standby oil supply pipe, by the spray gun fuel feeding of replacing port.
The method that the present invention is proposed further specifies: standby oil supply pipe is laid by both sides, at each port place mounting flange valve, change the port pipeline and carry out from head end port, and the both sides port is one group and carries out dismounting and change.This is because the large glass melting furnaces belong to cross fire furnace, commutation in per 20 minutes, and the both sides port replaces the fuel feeding burning.Promptly when side port commutation stops oil, opposite side port fuel feeding.When first side port commutation stops oil, the coupling unit of old port oil feed pipe is separated with the metallic hose of spray gun, movable port fuel feeding coupling unit is connected with standby oil supply pipe and connects with the metallic hose of spray gun, this is to separate connection process the first time.Can burn to the spray gun fuel feeding by movable port fuel feeding coupling unit when being first side port fuel feeding in commutation next time.This moment, opposite side was that second side port stops oil for commutating, and can carry out separating the first time connection process.When commutating once more, first side port fuel cut-off, movable port fuel feeding coupling unit can be separated with gun hose, to newly spread the port oil supply pipe connects with the spray gun metallic hose, this is for separating for the second time connection process, this moment, second side port was the commutation fuel feeding, had been port spray gun fuel feeding by movable port fuel feeding coupling unit; When commutating once more, first side port commutation fuel feeding can be by new shop port oil supply pipe to the spray gun fuel feeding, finished the disassembling, assembling and replacing of port oil supply pipe, second side port commutation stopping this moment oil, carry out separating the second time connection process, when commutating fuel feeding once more, can finish port oil supply pipe dismounting and change by the burning of new shop oil supply pipe fuel feeding.Per thus two ports are one group and carry out disassembling, assembling and replacing.
The method and apparatus of the replacing oil supply pipeline of small furnace without stopping oil supply that the present invention proposes has and does not stop to port spray gun fuel feeding, promptly do not influence the characteristics that the port oil supply pipe is normally changed in production, this method is safe and reliable simultaneously, easy to operate, adapt to whole or local replacing to melting furnaces port oil supply pipe.
Embodiment:
Accompanying drawing 1 is the inventive method pipe laying synoptic diagram.
Accompanying drawing 2 is movable port fuel feeding coupling unit synoptic diagram.
Synoptic diagram with reference to the embodiment of the invention provides is further specified its method and apparatus:
The explanation of the inventive method:
1, newly lays the port oil supply pipe.
A, newly lay port oil supply pipe 5, the head end of port oil supply pipe 5 is routed to the port oil flow valve group place of fuel oil handling equipment control room, and mounting flange 12, end are routed to the port spray gun, mounted valve 2.
B, purging pressure testing, flange 12 mounted valves 13 at new shop port oil feed pipe 5 head ends fed steaming out 1 hour, and opened 5 terminal by-pass valve controls 2 dischargings of port oil feed pipe.Pipeline purge clean after, carry out the water test, check whether seepage of oil supply pipe.The heat of mixing that can carry out pipeline after qualified is incubated.
2, the installation of standby oil supply pipe coupling unit
A, the passage at the bottom of the port neck of melting furnaces both sides are installed standby oil supply pipe coupling unit, and standby oil supply pipe coupling unit comprises standby oil supply pipe 4 and movable port fuel feeding coupling unit; Standby oil supply pipe 4 head ends are received giving on the fuel feeding house steward of port flow valve group of fuel oil handling equipment control room and are stayed on the valve, tap into fuel tap door 9, at every pair of port place mounting flange valve 1 of standby oil supply pipe, in order to the moving port fuel feeding coupling unit of taking over a job; In the movable port fuel feeding coupling unit by branch oil pipe 14, commutation source of the gas pipe 15, purge tracheae 16, purge reversing valve 17, regulated valve 19, metallic hose 18 is formed one group of commutation oil supply mechanism, the movable port fuel feeding of every cover coupling unit has two groups of commutation oil supply mechanisms, with two spray gun fuel feeding thinking each port; Wherein, purging reversing valve 17 main bodys is a ball-valve structure, and its two ends are communicated with oil circuit respectively and purge gas circuit, and its valve rod is controlled by cylinder, carries out the conversion of fuel feeding, air feed purging, and commutation source of the gas pipe 15 cylinders for the control valve rod provide source of the gas.
B, pressure testing: the head end of standby oil supply pipe 4 connects with oil-feed valve 9, and at this place purging valve 8 is installed, and inserts steam and purges one hour, and open regulated valve 19, by blow down valve 17 dischargings, after purging is clean, close regulated valve 19, will purge valve 8 water receiving press again and carry out pressure testing.
3, standby oil supply pipe coupling unit fuel feeding
Open oil-feed valve 9 after the pressure testing, make standby oil supply pipe 4 oil-feeds.When port commutates, to stop the valve 3 of the old oil pipe 6 of an oily side port closes, the metallic hose 18 of this port spray gun is dismantled with the blow down valve of former port, the metallic hose 18 of port spray gun is connected with the blow down valve 17 of movable port coupling unit, tracheae 15 simultaneously will commutate, purging tracheae 16 connects with original steam line, open regulated valve 19, can burn to the spray gun fuel feeding when commutating next time, and opposite side when stopping oil according to the switching of carrying out old oil pipe of port and movable port fuel feeding coupling unit with quadrat method, can burn to the spray gun fuel feeding when commutating next time.
4, remove the oil supply pipe of port
The old oil supply pipe 6 of port is purged totally, promptly dismountable, keep the regulated valve of this port, blow down valve.
5, newly spread the connection of port oil supply pipe
A, the flange 12 of newly spreading port oil supply pipe 5 head ends connected with 7 usefulness communicating pipe 11 of valve, and oil feed pipe 5 is terminal to be connected with regulated valve 12.The regulated valve of by-pass valve control 2 and original port, blow down valve connects, and opens valve 10 logical steam, opens the by-pass valve control 2 of oil feed pipe 5 ends, by the blow down valve discharging, purges totally back valve-off 10, and control valve 2 is opened valve 7 oil-feeds.
B, in when commutation, the movable port fuel feeding coupling unit that will stop an oily side separates with the metallic hose 18 of spray gun, metallic hose 18 connects with the blow down valve of new shop port oil feed pipe simultaneously, install the commutation tracheae of blow down valve simultaneously and purge tracheae, recovering normal uses, when commutating, get final product normal fuel injection next time.And opposite side when stopping oil by recover normal fuel injection with quadrat method, commutation gets final product normal fuel injection once more.
Changing 2～No. 7 port oil supply pipes is undertaken by above step.
Claims (4)
1, a kind of method of replacing oil supply pipeline of small furnace without stopping oil supply, it is characterized in that: be provided with standby oil supply pipe coupling unit, when port commutation fuel feeding, standby oil supply pipe coupling unit is connected with the port spray gun, when port commutation oil spout, utilize the standby oil supply pipe coupling unit that connects with the port spray gun to be port spray gun fuel feeding; Commutate once more when stopping oil at port, will newly spread port oil supply pipe and standby oil supply pipe coupling unit and switch, connect, finish and do not stop the oil supply pipe of port to be changed to port spray gun fuel feeding with the port spray gun.
2, according to the method for the described replacing oil supply pipeline of small furnace without stopping oil supply of claim 1, it is characterized in that the replacing process hockets between the corresponding port in both sides, when the commutation of first side port stops oil, the coupling unit of old port oil feed pipe is separated with the metallic hose of spray gun, and the movable port fuel feeding coupling unit that will connect with standby oil supply pipe connects with the metallic hose of spray gun; This is for separating for the first time connection process; Can be when being first side port fuel feeding in commutation next time by movable port fuel feeding coupling unit to the burning of spray gun fuel feeding, this moment, opposite side was that the commutation of second side port stops oil and can carry out separating the first time connection process; When commutating first side port fuel cut-off once more, movable port fuel feeding coupling unit can be separated with the port spray gun, to newly spread the port oil supply pipe connects with the spray gun metallic hose, this is for separating for the second time connection process, during another commutation process, first side port commutation fuel feeding can be by new shop port oil supply pipe to the spray gun fuel feeding, finish the disassembling, assembling and replacing of the old pipeline of this port, second side port commutation stopping this moment oil, carry out separating the second time connection process, the fuel feeding that commutates once more can be burnt by new shop oil supply pipe fuel feeding, finish the old pipeline dismounting and change of port, the dismounting and change of other port is identical with above step.
3, a kind of device of replacing oil supply pipeline of small furnace without stopping oil supply, it is characterized in that being provided with standby oil supply pipe coupling unit, it is made up of standby oil supply pipe (4) and movable port fuel feeding coupling unit, standby oil supply pipe (4) is symmetrically arranged two, terminate to before it on fuel feeding house steward of port flow valve group of fuel oil handling equipment control room, at every pair of port place mounting flange valve (1) of standby oil supply pipe so that connect with movable port fuel feeding coupling unit, by the spray gun fuel feeding of replacing port; By branch oil pipe (14), commutation source of the gas pipe (15), purging tracheae (16), purging reversing valve (17), regulated valve (19) is formed one group of commutation oil supply mechanism in the movable port fuel feeding coupling unit; The movable port fuel feeding of every cover coupling unit has two groups of commutation oil supply mechanisms; With two oil atomizer gun fuel feeding thinking each port; Wherein, purging reversing valve (17) main body is a ball-valve structure, and its two ends are communicated with oil circuit respectively and purge gas circuit, and its valve rod is controlled by cylinder, carries out the conversion of fuel feeding, air feed purging, and commutation source of the gas pipe (15) provides source of the gas for the cylinder of control valve rod.
4, according to the method for the described replacing oil supply pipeline of small furnace without stopping oil supply of claim 1, it is characterized in that: a, newly lay port oil supply pipe (5), the head end of port oil supply pipe (5) is routed to the port oil flow valve group place of fuel oil handling equipment control room, mounting flange (12), end is routed to the port spray gun, mounted valve (2); At port oil feed pipe (5) head end flange (12) mounted valve (13), feed steaming out and carry out the water test; The heat of mixing in qualified laggard line pipe road is incubated; Standby oil supply pipe coupling unit is installed at b, the passage place at the bottom of the port neck of melting furnaces both sides, standby oil supply pipe (4) head end of this device connects with oil-feed valve (9), and install to purge valve (8) at this place, insert steam and purge, and will purge valve (8) water receiving press and carry out pressure testing; Open oil-feed valve (9) after the pressure testing, make standby oil supply pipe (4) oil-feed; C, when port commutates, to stop the terminal valve (3) of the oily old oil feed pipe of a side port (6) closes, the metallic hose of this port spray gun (18) is dismantled with the blow down valve of former port, the metallic hose (18) of port spray gun is connected with the purging reversing valve (17) of movable port fuel feeding coupling unit, to commutate simultaneously tracheae, sweep gas source capsule connects with original steam line, can be when commutating to spray gun fuel feeding burning next time, when the opposite side port stops oil according to the switching of carrying out old oil pipe of port and movable port fuel feeding coupling unit with quadrat method; D, the old oil supply pipe of port (6) is purged totally, promptly dismountable, keep the regulated valve of this port, blow down valve; E, the flange (2) of new shop port oil supply pipe (5) head end connects with communicating pipe (11) with valve (7), oil feed pipe (5) is terminal to be connected with regulated valve (12), the regulated valve of by-pass valve control (2) and original port, blow down valve connects, when commutation, the movable port fuel feeding coupling unit that will stop an oily side separates with the metallic hose of spray gun, metallic hose connects with the blow down valve of new shop port oil feed pipe simultaneously, install the commutation tracheae of blow down valve simultaneously and purge tracheae, recovering normal uses, when commutating, get final product normal fuel injection, and the opposite side port is changed when stopping oil by the same manner next time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01114951 CN1387018A (en) | 2001-05-19 | 2001-05-19 | Method and apparatus for replacing oil supply pipeline of small furnace without stopping oil supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01114951 CN1387018A (en) | 2001-05-19 | 2001-05-19 | Method and apparatus for replacing oil supply pipeline of small furnace without stopping oil supply |
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| Publication Number | Publication Date |
|---|---|
| CN1387018A true CN1387018A (en) | 2002-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01114951 Pending CN1387018A (en) | 2001-05-19 | 2001-05-19 | Method and apparatus for replacing oil supply pipeline of small furnace without stopping oil supply |
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| CN (1) | CN1387018A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286486A (en) * | 2012-03-01 | 2013-09-11 | 湛江南海西部石油合众近海建设有限公司 | Method and device for quickly replacing oil gas pipe section |
| CN112354719A (en) * | 2020-10-13 | 2021-02-12 | 中铭谷智能机器人(广东)有限公司 | Automatic spraying control method |
-
2001
- 2001-05-19 CN CN 01114951 patent/CN1387018A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286486A (en) * | 2012-03-01 | 2013-09-11 | 湛江南海西部石油合众近海建设有限公司 | Method and device for quickly replacing oil gas pipe section |
| CN112354719A (en) * | 2020-10-13 | 2021-02-12 | 中铭谷智能机器人(广东)有限公司 | Automatic spraying control method |
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