CN101362972B - Technology for oil coke slurry for float glass tank furnace - Google Patents
Technology for oil coke slurry for float glass tank furnace Download PDFInfo
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- CN101362972B CN101362972B CN2007100167832A CN200710016783A CN101362972B CN 101362972 B CN101362972 B CN 101362972B CN 2007100167832 A CN2007100167832 A CN 2007100167832A CN 200710016783 A CN200710016783 A CN 200710016783A CN 101362972 B CN101362972 B CN 101362972B
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- coke slurry
- oil coke
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Abstract
Oil coke slurry for a float glass tank furnace and a process thereof belong to the improved field of fuels for the float glass tank furnace, and the weight percentage of petroleum coke powder in the oil coke slurry is 25 to 35 percent. The process comprises the material preparation, the first compression, the first-stage filtration, the middle circulation, the second-stage filtration, the second compression, the middle storage, the third compression, the oil pressure control, the heating, the third-stage filtration and the control of a spray gun. The petroleum coke powder with 400 to 600 meshes is added in an oil coke slurry mixing tank which contains heavy oil according to the weight percentage of 29 to 31 percent, the mixture is fully stirred by a mechanical stirring device, the stirring temperature is 88 to 92 DEG C, the combustion efficiency of the oil coke slurry is close to the heavy oil under the premise of not adding any additives, a heavy oil control system and a pipeline are utilized to achieve the precise measurement and the control of the whole control process, thereby ensuring the stability of the whole control process.
Description
Technical field
Float glass tank furnace uses the technology of oil coke slurry, the invention belongs to float glass tank furnace and uses the fuel modification field.Specifically be a kind of application of oil coke slurry in float glass tank furnace that does not add any additives.
Background technology
Present domestic glass industry receives the influence of energy shortage, rise of the oil price, and astatki proportion in the glass manufacturing cost that glass industry is generally adopted is increasingly high.In order both to guarantee the normal refining quality of glass, reach the effect that reduces fuel cost again, glass industry is being sought alternative fuel always.The oil coke slurry is a kind of slurry shape fuel, has good flowability, and combustion efficacy is near heavy oil; But use all need be added stablizer, to avoid the deposition of oil coke slurry, complex technical process; Need lay pipeline again, control accuracy is not high, very easily causes the fluctuation of glass quality; And the stablizer that adds is prone to cause the pollution to glass metal, so use range is restricted greatly.
Summary of the invention:
The technical problem that the present invention will solve is: provide a kind of under the prerequisite that does not add any additives, can effectively guarantee the efficiency of combustion of the efficiency of combustion of oil coke slurry near heavy oil, the float glass tank furnace of the normal refining quality of assurance glass uses the technology of oil coke slurry.
The technical solution adopted for the present invention to solve the technical problems is: oil coke slurry for float glass tank furnace is characterized in that: the oil coke slurry is in heavy oil, to mix the petroleum coke powder particle to process.
The mass percent of oil coke slurry PetroChina Company Limited. coke powder is: 25-35%.
The mass percent of preferred petroleum coke powder is: 29-31%.
Oil coke powder degree is the 400-600 order, has changed the surface tension of refinery coke, helps the thorough mixing of refinery coke and heavy oil, makes it have good flowability.
The oil coke sizing process comprises: batching, once pressurization, one-level filtration, middle circulation, cascade filtration, secondary pressurization, relay storage, three pressurizations, oil pressure control, heating, three-stage filtration, gun controls.
Dosing unit comprises mechanical stirring device, oil coke slurry modulation jar, a modulation jar circulation line, screw oil pump 1 and modulation jar recycle valve; Mechanical stirring device is built-in whisking appliance, with the ratio of 400-600 purpose petroleum coke powder according to 29-31%, adds the oil coke slurry modulation jar that heavy oil is housed; Stir fully by mechanical stirring device; Whipping temp is opened modulation jar circulation valve at 88-92 ℃ in whipping process, open screw oil pump 1 and carry out the circulation of oil coke pulp grinder tool; Churning time is 1-2 hour, and a modulation jar interior oil coke slurry stirs in the circulation course of conveying all the time fully.Guarantee the abundant dissolving of refinery coke, had good flowability.
Through stirring qualified oil coke slurry, behind the entering relay storage jar,, utilize original heavy oil pipeline and system through screw oil pump 4 pressurizations, get into spray gun after filtering through the third stage; Before getting into spray gun, must reasonably control Heating temperature, generally be controlled at 128～132 ℃, too highly should cause separating of heavy oil and refinery coke, influence combustion efficacy, glass metal is polluted according to the viscosity of the oil coke slurry of monitoring.
After the oil coke slurry gets into spray gun; Atomization gas pressure generally is controlled at 0.40-0.45MPa; Behind the slurry of the oil coke after atomizing entering kiln internal combustion space, carry out thorough mixing with combustion air, in order to reduce of the pollution of oil coke slurry to glass metal; Guarantee the stability of whole combustion processes oxidation-reduction potential, effectively avoided residual carbon the formation of microbubble to be influenced the surface quality of glass.Increase combustion air volume, strengthen this regional oxygen content, guarantee the oxidation of residual carbon, reduce the formation of microbubble.
One, two, three strainer is 60 orders, and one, two, three oil pump pressurization is 0.5MPa.Guarantee oil coke slurry Channel Group in transfer line.
Oil coke is starched heating and temperature control at 128～132 ℃, flameholding, and viscosity fluctuation is little, stifled under meter, stifled spray gun.
After the oil coke slurry got into spray gun, the nozzle atomization atmospheric pressure was controlled at 0.40-0.45MPa, and atomizing fully, and is effective.
Participate in the combustion processes at the oil coke slurry, the pollution of residual carbon is the major cause that causes microbubble, and the production of the middle and high shelves of emphasis influence glass in order to reduce the pollution problem of residual carbon, is reduced to 2-3% with the content of carbon dust in the glass ingredient by 4-6%.
Participate in the combustion processes at the oil coke slurry, adjustment melting furnaces both sides firing system assignment of traffic ratio is accomplished the equilibrium that fuel distributes.Guarantee rational fuel power consumption.
Compared with prior art, oil coke slurry for float glass tank furnace of the present invention and the beneficial effect that technology had thereof are: the oil coke slurry is in heavy oil, to mix the petroleum coke powder particle to process, through above technology controlling and process; Under the prerequisite that does not add any additives, effectively guaranteed the efficiency of combustion of the combustion efficacy of oil coke slurry, and made full use of heavy oil system and pipeline near heavy oil; Do not need to lay in addition pipeline; Reach the accurate measurement and the control of whole control process, guaranteed the stability of whole control process, greatly reduce running cost; Do not add any stablizer, stop pollution problem glass metal because of using stablizer to cause.Daily allowance 82-82.5T by table flotation method cell furnace oil coke slurry calculates, and compares fuel cost with heavy oil and reduces by 15%.
Description of drawings
Fig. 1 is oil coke slurry for float glass tank furnace of the present invention and process schematic representation thereof.It is most preferred embodiment of the present invention.
Technical process comprises among the figure: mechanical stirring device, oil coke slurry modulation jar, screw oil pump 1, delivery valve, grade one filter, middle circulation tank, secondary filter, screw oil pump 2,3, relay storage jar, screw oil pump 4, oil pressure control system, well heater, tertiary filter, melting furnaces both sides spray gun.
Below in conjunction with accompanying drawing oil coke slurry for float glass tank furnace of the present invention and technology thereof are further specified:
Embodiment
The mass percent of oil coke slurry PetroChina Company Limited. coke powder is: 25-35%.
The mass percent of preferred petroleum coke powder is in the oil coke slurry: 29-31%.
With each preparation oil coke slurry 5000kg, calculate heavy oil respectively, the petroleum coke powder consumption is following.
Prescription 1: heavy oil 3550kg petroleum coke powder 1450kg
Prescription 2: heavy oil 3500kg petroleum coke powder 1500kg
Prescription 3: heavy oil 3450kg petroleum coke powder 1550kg
Process method and process:
The oil coke slurry that does not contain any additives is used as follows on 450 tons of float glass tank furnaces of regenerator cross flame:
Petroleum coke powder is processed into granularity at the 500-600 order,, under 90 ℃ Heating temperature, adds the modulation jar configuration oil coke slurry that heavy oil is housed the ratio of the petroleum coke powder that processes according to mass percent 30%; Stir fully by mechanical stirring device, in whipping process, close delivery valve, open modulation jar circulation valve; Open screw oil pump 1 and carry out the circulation of oil coke pulp grinder tool; Guarantee the abundant dissolving of petroleum coke powder, make it have good flowability, churning time is 1-1.5 hour.
After the oil coke slurry stirs; Close modulation jar circulation valve; Open delivery valve,, filter the back through 60 purpose grade one filters and get into middle circulation tank by screw oil pump 1 pressurization 0.5MPa; The oil coke slurry of modulation jar stirs in the circulation course of conveying all the time fully, the influence of avoiding deposition that course of conveying possibly cause the oil coke powder that pipeline and burning are caused; Between middle circulation tank and the relay storage jar 60 purpose secondary filters and screw oil pump 2,3 are housed, the oil coke slurry in the middle circulation tank is after 60 order secondary filters filter, and 2,3 pressurization 0.5MPa are transported to the relay storage jar by screw oil pump.
After stirring, filter qualified oil coke slurry entering relay storage jar, through screw oil pump 4 pressurization 0.5MPa, utilize original heavy oil pipeline and system, filter back entering spray gun through 60 order tertiary filters; Before getting into spray gun, must be according to the viscosity controller reasonable heated temperature of the oil coke slurry of monitoring; Generally be controlled at 128～132 ℃; Too highly should cause separating of heavy oil and petroleum coke powder, influence combustion efficacy, glass metal is polluted.
After the oil coke slurry gets into spray gun, use 350 type hurricane type nozzles, atomization gas pressure generally is controlled at 0.40-0.45MPa; Behind the slurry of the oil coke after atomizing entering kiln internal combustion space, carry out thorough mixing with combustion air, in order to reduce of the pollution of oil coke slurry to glass metal; Guarantee the stability of whole combustion processes oxidation-reduction potential, increased combustion air volume, strengthen this regional oxygen content; Guarantee the oxidation of residual carbon, greatly reduce the formation of microbubble.
The refinery coke carbon content is higher; Participate in the combustion processes at the oil coke slurry, the pollution of residual carbon is the major cause that causes microbubble, and emphasis is the production of the middle and high shelves of influence glass; In order to reduce the pollution problem of residual carbon, the content of carbon dust in the glass ingredient is reduced to 2---3% by 5%.
Participate in further having adjusted melting furnaces both sides firing system assignment of traffic again than row in the burning control process at the oil coke slurry; Accomplished the equilibrium that fuel distributes; Reduced near 5% than former calculating energy; Reached and both guaranteed the power consumption of rational fuel, guaranteed whole operation system again, reached the control effect of expection.
The heating and temperature control of oil coke slurry is at 128～132 ℃, flameholding, and viscosity fluctuation is little, stifled under meter, stifled rifle.
Claims (3)
1. float glass tank furnace uses the technology of oil coke slurry; The oil coke slurry is in heavy oil, to mix the petroleum coke powder particle to process; Comprise: batching, an oil pump pressurization, one-level filtration, middle circulation, cascade filtration, the pressurization of secondary oil pump, relay storage, No. three oil pump pressurizations, oil pressure control, heating, three-stage filtration, gun controls; It is characterized in that: the temperature of oil coke slurry remains on 128-132 ℃ before getting into spray gun, and dosing unit comprises mechanical stirring device, oil coke slurry modulation jar, modulation jar circulation line, screw oil pump (1) and modulation jar recycle valve, and mechanical stirring device is built-in whisking appliance; With the ratio of 400-600 purpose petroleum coke powder according to 29-31%; Add the oil coke slurry modulation jar that heavy oil is housed, stirred fully by mechanical stirring device, whipping temp is at 88-92 ℃; In whipping process, open modulation jar circulation valve; Open screw oil pump (1) and carry out the circulation of oil coke pulp grinder tool, churning time is 1-2 hour, and a modulation jar interior oil coke slurry stirs in the circulation course of conveying all the time fully; After the oil coke slurry got into spray gun, the nozzle atomization atmospheric pressure was controlled at 0.40-0.45MPa.
2. float glass tank furnace according to claim 1 uses the technology of oil coke slurry, and it is characterized in that: one, two, three strainer is 60 orders, and one, two, three oil pump pressurization is 0.5MPa.
3. float glass tank furnace according to claim 1 uses the technology of oil coke slurry, it is characterized in that: the content of carbon dust in the middle and high shelves glass ingredient is reduced to 2-3% by 4-6%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100167832A CN101362972B (en) | 2007-08-08 | 2007-08-08 | Technology for oil coke slurry for float glass tank furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100167832A CN101362972B (en) | 2007-08-08 | 2007-08-08 | Technology for oil coke slurry for float glass tank furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101362972A CN101362972A (en) | 2009-02-11 |
| CN101362972B true CN101362972B (en) | 2012-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100167832A Expired - Fee Related CN101362972B (en) | 2007-08-08 | 2007-08-08 | Technology for oil coke slurry for float glass tank furnace |
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| CN (1) | CN101362972B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880909B (en) * | 2017-11-16 | 2023-07-21 | 北京恒丰亚业科技发展有限公司 | Semicoke humidifying and cooling system and method |
| CN108034438B (en) * | 2017-11-16 | 2023-06-30 | 北京恒丰亚业科技发展有限公司 | High-temperature semicoke humidifying method and device |
| CN108048119B (en) * | 2017-11-16 | 2023-07-21 | 北京恒丰亚业科技发展有限公司 | System and method for treating high-temperature coke powder under cyclone dust collector of pyrolysis furnace |
| CN114180814A (en) * | 2021-10-28 | 2022-03-15 | 中国建材国际工程集团有限公司 | Simplified oil supply system of glass melting furnace |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4129420A (en) * | 1976-01-12 | 1978-12-12 | Edward Koppelman | Process for making coke from cellulosic materials and fuels produced therefrom |
| CN1858164A (en) * | 2006-06-06 | 2006-11-08 | 程汝林 | Oil used as industrial fuel |
| CN1896199A (en) * | 2006-05-30 | 2007-01-17 | 南通吉龙玻璃有限公司 | Use of coke slurry as fuel in tank furnace |
| CN1916134A (en) * | 2006-08-02 | 2007-02-21 | 威海蓝星玻璃股份有限公司 | Solid liquid mixing fuel in use for melt kiln for founding glass |
| CN1923982A (en) * | 2006-09-24 | 2007-03-07 | 辽河石油勘探局 | Liquid fuel with petroleum pulverized coke as main material and preparation method thereof |
| CN1986464A (en) * | 2006-11-28 | 2007-06-27 | 南通吉龙玻璃有限公司 | Glass melting process |
-
2007
- 2007-08-08 CN CN2007100167832A patent/CN101362972B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4129420A (en) * | 1976-01-12 | 1978-12-12 | Edward Koppelman | Process for making coke from cellulosic materials and fuels produced therefrom |
| CN1896199A (en) * | 2006-05-30 | 2007-01-17 | 南通吉龙玻璃有限公司 | Use of coke slurry as fuel in tank furnace |
| CN1858164A (en) * | 2006-06-06 | 2006-11-08 | 程汝林 | Oil used as industrial fuel |
| CN1916134A (en) * | 2006-08-02 | 2007-02-21 | 威海蓝星玻璃股份有限公司 | Solid liquid mixing fuel in use for melt kiln for founding glass |
| CN1923982A (en) * | 2006-09-24 | 2007-03-07 | 辽河石油勘探局 | Liquid fuel with petroleum pulverized coke as main material and preparation method thereof |
| CN1986464A (en) * | 2006-11-28 | 2007-06-27 | 南通吉龙玻璃有限公司 | Glass melting process |
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| CN101362972A (en) | 2009-02-11 |
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