CN205045979U - A pure oxygen combustion system that is used for rock wool fuse -element temperature multiple spot accurate control - Google Patents
A pure oxygen combustion system that is used for rock wool fuse -element temperature multiple spot accurate control Download PDFInfo
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- CN205045979U CN205045979U CN201520730177.7U CN201520730177U CN205045979U CN 205045979 U CN205045979 U CN 205045979U CN 201520730177 U CN201520730177 U CN 201520730177U CN 205045979 U CN205045979 U CN 205045979U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
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Abstract
The utility model discloses a pure oxygen combustion system that is used for rock wool fuse -element temperature multiple spot accurate control, the problem of the technique is solved: product among the prior art in the rock wool production process melt that intensity is not enough, the acidity coefficient is high and the technical problem s such as process cooling of fuse -element through the combination chute. The technical scheme who adopts: a pure oxygen combustion system that is used for rock wool fuse -element temperature multiple spot accurate control, this system uses the natural gas as fuel, adopt oxygen as combustion -supporting medium, burn through pure oxygen fever rifle and heat the rock wool fuse -element, the position that pure oxygen fever rifle acted on the rock wool fuse -element specifically is siphon mouth top, 1 number activity chute lower part, 2 number activity chute lower part carries on the natural gas or oxygen flow that real -time multiple spot is accurate to be adjusted through the real -time on line measurement to rock wool fuse -element multiple spot temperature, thereby the required technology temperature of accurate control rock wool fuse -element. This system can realize the stable production of high acidity coefficient rock wool product, improves rock wool fuse -element fiber forming rate, effectively reduces the energy consumption that the in -process was founded to the rock wool fuse -element, reduces product sediment ball content.
Description
Technical field
The utility model relates to a kind of pure oxygen burning system accurately controlled for rock wool melt temperature multiple spot, is specifically related to building thermal insulation material field, particularly a kind of pure oxygen burning equipment of accurately controlling for rock wool melt temperature multiple spot and technology.
Background technology
In rock wool production process, melting process determines the key parameter such as chemical composition, melt temperature, melt viscosity of rock wool melt.These parameters directly affect the performance index such as acidity quotient, slag ball content of rock wool fibers.The soaring oven process generally used in current rock wool industry carrys out melt raw material and obtains rock wool melt.The melt-blended good ore of a large amount of heat energy that the method is released by the combustion reactions of coke in cupola furnace.After ore fusing, melt enters two groups of movable chute by the siphon port bottom cupola furnace, and rear importing whizzer enters fibroblast operation.
Along with the requirement of development to the energy-saving and emission-reduction in quality product and production process of China's rock wool industry is more and more higher.There is following problem in the existing soaring oven process technology of founding:
During 1, production highly acidity coefficient product (acidity quotient >=2.0), melting intensity cannot meet product performance index not.
2, melt cannot be avoided by the process cooling of combined sluice-box, causes the temperature of melt, viscosity cannot meet the demand of high-quality product.
3, the raising of the acidity quotient of product causes the sharply rising of energy consumption in production process, brings higher pollutant emission simultaneously.
Summary of the invention
Technical problem to be solved in the utility model is: the melting intensity for the product in rock wool production process in the prior art mentioned in background technology is inadequate, acidity quotient is high and melt by technical problems such as the process coolings of combined sluice-box.
The purpose of this utility model is, develop a set of Pure Oxygen Combustion Technology Cupola that utilizes and carry out equipment and the technology of high strength local heating to the rock wool melt in combined moving chute process, the stably manufactured of highly acidity coefficient (acidity system >=2.0) rock wool product can be realized, improve rock wool melt fibroblast rate, energy consumption in effective reduction rock wool melt melting process, reduces the pure oxygen burning system accurately controlled for rock wool melt temperature multiple spot of product slag ball content.
Design philosophy of the present utility model is, this pure oxygen burning system adopts Sweet natural gas to be fuel, and oxygen, as combustion-supporting medium, burns gun burner by pure oxygen and heats rock wool melt; Pure oxygen burns the top that rifle acts on siphon port respectively, the rock wool melt place of No. 1 movable chute bottom and No. 2 movable chute bottoms; This system is passed through at the top of siphon port simultaneously, the rock wool melt place set temperature sensor of No. 1 movable chute bottom and No. 2 movable chute bottoms carries out real-time online measuring to this temperature, and real-time fine adjustment is carried out to Sweet natural gas and oxygen flow, thus accurately control the technological temperature needed for rock wool melt.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
For the pure oxygen burning system that rock wool melt temperature multiple spot accurately controls, comprise cupola furnace, No. 1 movable chute, No. 2 movable chute and whizzer, between siphon port bottom cupola furnace of No. 1 movable chute and No. 2 movable chute and whizzer import; Also comprise three pure oxygens to burn rifle, burn piping system, online real-time temperature test sytem and the PLC control cabinet that rifle provides Sweet natural gas and oxygen to three pure oxygens respectively;
Three pure oxygens burn rifle and are respectively No. 1 pure oxygen burning rifle, No. 2 pure oxygens burning rifles and No. 3 pure oxygens burning rifles; No. 1 pure oxygen burns the top that rifle is arranged on siphon port, and No. 2 pure oxygens burn rifle and are arranged on No. 1 movable chute bottom, and No. 3 pure oxygens burn rifle and are arranged on No. 2 movable chute bottoms; The signal output part of No. 1 pure oxygen burning rifle, the signal output part of No. 2 pure oxygen burning rifles are connected PLC control cabinet respectively with the signal output part that No. 3 pure oxygens burn rifles;
The piping system of Sweet natural gas and oxygen comprises oxygen main line passage, Sweet natural gas main line passage and three oxygen and Sweet natural gas mixed pipe line passage; Article three, oxygen and the air outlet of Sweet natural gas mixed pipe line passage are connected the air feed port that No. 1 pure oxygen burns rifle, No. 2 pure oxygens burn rifle and No. 3 pure oxygen burning rifles respectively; Oxygen main line passage and Sweet natural gas main line passage are provided with pressure unit and temperature transmitter, and the signal output part of pressure unit connects PLC control cabinet, and the signal output part of temperature transmitter connects PLC control cabinet; Article three, oxygen and Sweet natural gas mixed pipe line passage are provided with flow control valve and pressure difference transmitter; The signal input part of flow control valve connects PLC control cabinet, and the signal input part of pressure difference transmitter connects pressure difference transmitter;
Online real-time temperature test sytem comprises No. 1 temperature sensor, No. 2 temperature sensors and No. 3 temperature sensors; The temperature that No. 1 pure oxygen burns the melt of rifle heating place is measured at the top that No. 1 temperature sensor is arranged on siphon port, No. 2 temperature sensors are arranged on No. 1 movable chute bottom and measure the temperature that No. 2 pure oxygens burn the melt of rifle heating place, and No. 3 temperature sensors are arranged on No. 2 movable chute bottoms and measure the temperature that No. 3 pure oxygens burn the melt of rifle heating place; No. 1 temperature sensor, No. 2 temperature sensors are connected PLC control cabinet respectively with the signal output part of No. 3 temperature sensors.
Three pure oxygens in the utility model system burn rifle and are product of the prior art, and therefore its concrete structure and working process the utility model are not described in detail.This pure oxygen burning rifle length of flame is adjustable, flame width is adjustable, rigidity is low and heat is concentrated, flame all standing melt can be realized, also the rigidity of burning rifle flame can be avoided to produce rock wool stream stock impact, disturbance flow stock simultaneously, thus stream stock may be caused to depart from production center line.
Cupola furnace described in the utility model system, No. 1 movable chute, No. 2 movable chute and whizzer are equipment required in rock wool production process in prior art and annexation between its each parts is also in prior art, therefore, the utility model is all no longer described in detail the annexation between each parts.
The heating location that three pure oxygens that the carrying out acting on rock wool melt in the utility model system is heated burn rifle is specifically arranged on siphon port top, No. 1 movable chute bottom and No. 2 fixed chute bottoms; Simultaneously at siphon port top, No. 1 movable chute bottom, No. 2 fixed chute bottoms are separately positioned on line formula infrared temperature sensor, carry out On-line sampling system to this place's rock wool melt temperature; Oxygen main line passage in the utility model system and Sweet natural gas main line passage are provided with pressure unit and temperature transmitter, feed back in PLC control cabinet by the pressure signal of Sweet natural gas and oxygen and temperature signal; Article three, oxygen and Sweet natural gas mixed pipe line passage are provided with flow control valve and pressure difference transmitter, according to temperature, real-time fine adjustment is carried out to Sweet natural gas and oxygen flow, also can realize separately rifle being burnt to each pure oxygen simultaneously and carry out the adjustment of flow and the adjustment of pressure, ensure the temperature of combustion flame.
No. 1 temperature sensor in the utility model system, No. 2 temperature sensors and No. 3 temperature sensors carry out chain with the PLC control program in firing system PLC control cabinet respectively; When temperature departure design temperature, program according in the thermodynamic metering formula established, feed back concrete Sweet natural gas or oxygen flow adjustable value signal by rock wool melt flow and required equalising temp, and then real-time fine adjustment carried out to Sweet natural gas or oxygen flow.
Because three hot spot technological temperatures require different, firing system PLC control program can realize burning the Sweet natural gas of rifles to three pure oxygens respectively or oxygen flow carries out regulating and controlling.
Thermodynamic metering formula is established in PLC control program:
V
nfor gas discharge (Nm
3/ h), V
ofor oxygen flow (Nm
3/ h), C
mfor melt specific heat capacity (kJ/kg DEG C), Q
mfor melt flow (kg/h), t
sfor melt set temperature value (DEG C), t
pfor melt practical measurement value (DEG C), q
nfor heating value of natural gas (kJ/Nm
3), k is melt flow correction factor, and η is the thermal absorptivity of melt to flame.
Set thermodynamic metering formula as thermodynamic metering formula of the prior art in PLC control program in the utility model system, its concrete derivation the utility model is not described in detail.
To the improvement of technique scheme, temperature sensor is infrared temperature sensor.
To the further improvement of technique scheme, oxygen main line passage and Sweet natural gas main line passage are also provided with pressure switch and safety cut-off valve.The pressure switch of the utility model Operation system setting and safety cut-off valve is chain realizes when Sweet natural gas or oxygen pressure are higher or lower than range of set value, safety cut-off valve energy quick acting switching-off Sweet natural gas or oxygen, to ensure the safe operation of native system.
To the further improvement of technique scheme, oxygen main line passage and Sweet natural gas main line passage are also provided with tensimeter, strainer, relief valve and under meter.The utility model system arranges tensimeter and is convenient to convenient observation in main line passage; Arrange that strainer, relief valve and under meter can realize filtering Sweet natural gas or oxygen, pressure regulation, flow metering and ensure the safe operation of native system.
To the further improvement of technique scheme, three oxygen and Sweet natural gas mixed pipe line passage are provided with manual modulation valve and check valve.The utility model arranges manual modulation valve and check valve in mixed pipe line passage can complete real-time multiple spot fine adjustment to Sweet natural gas or oxygen flow automatically,
Compared with prior art, its beneficial effect is the utility model:
1, this pure oxygen burning system adopts Sweet natural gas to be fuel, and oxygen, as combustion-supporting medium, burns gun burner by pure oxygen and heats rock wool melt; Pure oxygen burns the top that rifle acts on siphon port respectively, the rock wool melt place of No. 1 movable chute bottom and No. 2 movable chute bottoms; This system is passed through at the top of siphon port simultaneously, the rock wool melt place set temperature sensor of No. 1 movable chute bottom and No. 2 movable chute bottoms carries out real-time online measuring to this temperature, and real-time fine adjustment is carried out to Sweet natural gas and oxygen flow, thus the technological temperature accurately controlled needed for rock wool melt, the melting intensity efficiently solving the product in prior art in rock wool production process is inadequate, acidity quotient is high and melt by technical problems such as the process coolings of combined sluice-box.
2, this pure oxygen burning system can regulate each pure oxygen to burn rifle Sweet natural gas or oxygen flow according to rock wool melt real time temperature automatically, realizes the stable of rock wool melt technological temperature.
3, native system can realize the stably manufactured of highly acidity coefficient (acidity system >=2.0) rock wool product, improves rock wool melt fibroblast rate, effectively reduces the energy consumption in rock wool melt melting process, reduces product slag ball content.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present embodiment pure oxygen burning system.
Fig. 2 is the chain schematic diagram of the heating location of the present embodiment pure oxygen burning system and temperature sensor installation site and PLC control cabinet.
Fig. 3 burns the piping system figure that rifle provides Sweet natural gas and oxygen to three pure oxygens in the present embodiment pure oxygen burning system.
In figure: 1, siphon port; 2, No. 1 pure oxygen burns rifle; 3, melt; 4, No. 1 movable chute; 5, No. 1 temperature sensor; 6, No. 2 temperature sensors; 7, No. 2 movable chute; 8, No. 3 temperature sensors; 9, No. 2 pure oxygens burn rifle; 10, No. 3 pure oxygens burn rifle; 11, PLC control cabinet; 12, pressure unit; 13, tensimeter; 14, strainer; 15, relief valve; 16, pressure switch; 17, safety cut-off valve; 18, under meter; 19, temperature transmitter; 20, differential pressure transmitter; 21, manual modulation valve; 22, flow control valve; 23, check valve; 24, cupola furnace, 25, whizzer.
Embodiment
Below technical solutions of the utility model are described in detail, but protection domain of the present utility model is not limited to described embodiment.
For making content of the present utility model more become apparent, be further described below in conjunction with accompanying drawing 1-3 and embodiment.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment:
See Fig. 1, a kind of pure oxygen burning system accurately controlled for rock wool melt temperature multiple spot in the present embodiment, comprise between siphon port 1 bottom cupola furnace of cupola furnace 24, No. 1 movable chute 4, No. 2 movable chute 7 and whizzer 25, No. 1 movable chute 4 and No. 2 movable chute 7 and whizzer import.
A kind of pure oxygen burning system accurately controlled for rock wool melt temperature multiple spot in the present embodiment, also comprises three pure oxygens and burns rifle, burns piping system, online real-time temperature test sytem and the PLC control cabinet 11 that rifle provides Sweet natural gas and oxygen to three pure oxygens respectively.As shown in Figure 2.
Three pure oxygens burn rifle and are respectively No. 1 pure oxygen burning rifle 2, No. 2 pure oxygens burning rifles 9 and No. 3 pure oxygens burning rifles 10; No. 1 pure oxygen burns the top that rifle 2 is arranged on siphon port 1, and No. 2 pure oxygens burn rifle 9 and are arranged on No. 1 movable chute 4 bottom, and No. 3 pure oxygens burn rifle 10 and are arranged on No. 2 movable chute 7 bottoms; The signal output part of No. 1 pure oxygen burning rifle 2, the signal output part of No. 2 pure oxygen burning rifles 9 are connected PLC control cabinet 11 respectively with the signal output part that No. 3 pure oxygens burn rifles 10.As shown in Figure 2.
Online real-time temperature test sytem comprises No. 1 temperature sensor 5, No. 2 temperature sensors 6 and No. 3 temperature sensors 8; The temperature that No. 1 pure oxygen burns the melt 3 of rifle 2 heating place is measured at the top that No. 1 temperature sensor 5 is arranged on siphon port 1, No. 2 temperature sensors 6 are arranged on No. 1 movable chute 4 bottom and measure the temperature that No. 2 pure oxygens burn the melt 3 of rifle 9 heating place, and No. 3 temperature sensors 8 are arranged on No. 2 movable chute 7 bottoms and measure the temperature that No. 3 pure oxygens burn the melt 3 of rifle 10 heating place; No. 1 temperature sensor 5, No. 2 temperature sensors 6 are connected PLC control cabinet 11 respectively with the signal output part of No. 3 temperature sensors 8.As shown in Figure 2.
The piping system of Sweet natural gas and oxygen comprises oxygen main line passage, Sweet natural gas main line passage and three oxygen and Sweet natural gas mixed pipe line passage; Article three, oxygen and the air outlet of Sweet natural gas mixed pipe line passage are connected the air feed port that No. 1 pure oxygen burns rifle 2, No. 2 pure oxygens burning rifles 9 and No. 3 pure oxygen burning rifles 10 respectively; Oxygen main line passage and Sweet natural gas main line passage are provided with pressure unit 12 and temperature transmitter 19, and the signal output part of pressure unit 12 connects PLC control cabinet 11, and the signal output part of temperature transmitter 19 connects PLC control cabinet 11; Article three, oxygen and Sweet natural gas mixed pipe line passage are provided with flow control valve 22 and pressure difference transmitter 20; The signal input part of flow control valve 22 connects PLC control cabinet 11, and the signal input part of pressure difference transmitter 20 connects pressure difference transmitter 20; As shown in Figure 3.
The working process of the present embodiment is as described below:
In the present embodiment, oxygen main line passage and Sweet natural gas main line passage are provided with pressure unit 12 and temperature transmitter 19, the pressure signal of Sweet natural gas or oxygen and temperature signal can be fed back to the PLC control system in PLC control cabinet 11, be provided with the convenient observation of tensimeter 13 simultaneously, strainer 14 is set, relief valve 15 and under meter 18 can realize filtering Sweet natural gas or oxygen, pressure regulation and flow metering, pressure switch 16 is set and safety cut-off valve 17 is chain, can realizes when Sweet natural gas or oxygen pressure are higher or lower than range of set value, safety cut-off valve 17 energy quick acting switching-off Sweet natural gas or oxygen, to ensure the safe operation of system.
In the present embodiment, the real time temperature signal of every infrared temperature sensor is all chain with PLC control system, when certain measuring point rock wool melt temperature departs from design temperature, PLC control program according in the thermodynamic metering formula established, feed back concrete Sweet natural gas or oxygen flow adjustable value signal by rock wool melt flow and required equalising temp, signal function burns Sweet natural gas/oxygen flow rate adjusting valve 22 and the differential pressure transmitter 20 of rifle in this measuring point correspondence, manual modulation valve 21 for subsequent use simultaneously, configuration check valve 23, thus the real-time multiple spot fine adjustment automatically completed Sweet natural gas or oxygen flow.
Pure oxygen burning system in the present embodiment adopts Sweet natural gas to be fuel, and oxygen, as combustion-supporting medium, burns gun burner by pure oxygen and heats rock wool melt; Pure oxygen burns the top that rifle acts on siphon port respectively, the rock wool melt place of No. 1 movable chute bottom and No. 2 movable chute bottoms; This system is passed through at the top of siphon port simultaneously, the rock wool melt place set temperature sensor of No. 1 movable chute bottom and No. 2 movable chute bottoms carries out real-time online measuring to this temperature, and real-time fine adjustment is carried out to Sweet natural gas and oxygen flow, thus the technological temperature accurately controlled needed for rock wool melt, the melting intensity efficiently solving the product in prior art in rock wool production process is inadequate, acidity quotient is high and melt by technical problems such as the process coolings of combined sluice-box.
As mentioned above, although represented with reference to specific preferred embodiment and described the utility model, it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model not departing from claims definition, various change can be made in the form and details to it.
Claims (5)
1. the pure oxygen burning system accurately controlled for rock wool melt temperature multiple spot, comprise cupola furnace (24), No. 1 movable chute (4), No. 2 movable chute (7) and whizzer (25), No. 1 movable chute (4) and No. 2 movable chute (7) are positioned between siphon port (1) bottom cupola furnace and whizzer import; It is characterized in that, also comprise three pure oxygens and burn rifle, burn piping system, online real-time temperature test sytem and the PLC control cabinet (11) that rifle provides Sweet natural gas and oxygen to three pure oxygens respectively;
Three pure oxygens burn rifle and are respectively No. 1 pure oxygen burning rifle (2), No. 2 pure oxygens burning rifle (9) and No. 3 pure oxygens burning rifle (10); No. 1 pure oxygen burns the top that rifle (2) is arranged on siphon port (1), No. 2 pure oxygens burn rifle (9) and are arranged on No. 1 movable chute (4) bottom, and No. 3 pure oxygens burn rifle (10) and are arranged on No. 2 movable chute (7) bottoms; The signal output part of No. 1 pure oxygen burning rifle (2), the signal output part of No. 2 pure oxygens burning rifle (9) are connected PLC control cabinet (11) respectively with the signal output part that No. 3 pure oxygens burn rifle (10);
The piping system of Sweet natural gas and oxygen comprises oxygen main line passage, Sweet natural gas main line passage and three oxygen and Sweet natural gas mixed pipe line passage; Article three, oxygen and the air outlet of Sweet natural gas mixed pipe line passage are connected the air feed port that No. 1 pure oxygen burns rifle (2), No. 2 pure oxygens burn rifle (9) and No. 3 pure oxygens burning rifle (10) respectively; Oxygen main line passage and Sweet natural gas main line passage are provided with pressure unit (12) and temperature transmitter (19), the signal output part of pressure unit (12) connects PLC control cabinet (11), and the signal output part of temperature transmitter (19) connects PLC control cabinet (11); Article three, oxygen and Sweet natural gas mixed pipe line passage are provided with flow control valve (22) and pressure difference transmitter (20); The signal input part of flow control valve (22) connects PLC control cabinet (11), and the signal input part of pressure difference transmitter (20) connects pressure difference transmitter (20);
Online real-time temperature test sytem comprises No. 1 temperature sensor (5), No. 2 temperature sensors (6) and No. 3 temperature sensors (8); The temperature that No. 1 pure oxygen burns the melt (3) of rifle (2) heating place is measured at the top that No. 1 temperature sensor (5) is arranged on siphon port (1), No. 2 temperature sensors (6) are arranged on No. 1 movable chute (4) bottom and measure the temperature that No. 2 pure oxygens burn the melt (3) of rifle (9) heating place, and No. 3 temperature sensors (8) are arranged on No. 2 movable chute (7) bottoms and measure the temperature that No. 3 pure oxygens burn the melt (3) of rifle (10) heating place; No. 1 temperature sensor (5), No. 2 temperature sensors (6) are connected PLC control cabinet (11) respectively with the signal output part of No. 3 temperature sensors (8).
2. the pure oxygen burning system accurately controlled for rock wool melt temperature multiple spot as claimed in claim 1, it is characterized in that, temperature sensor is infrared temperature sensor.
3. the pure oxygen burning system accurately controlled for rock wool melt temperature multiple spot as claimed in claim 1, it is characterized in that, oxygen main line passage and Sweet natural gas main line passage are also provided with pressure switch (16) and safety cut-off valve (17).
4. the pure oxygen burning system accurately controlled for rock wool melt temperature multiple spot as claimed in claim 3, it is characterized in that, oxygen main line passage and Sweet natural gas main line passage are also provided with tensimeter (13), strainer (14), relief valve (15) and under meter (18).
5. the pure oxygen burning system accurately controlled for rock wool melt temperature multiple spot as claimed in claim 1, is characterized in that, three oxygen and Sweet natural gas mixed pipe line passage are provided with manual modulation valve (21) and check valve (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520730177.7U CN205045979U (en) | 2015-09-18 | 2015-09-18 | A pure oxygen combustion system that is used for rock wool fuse -element temperature multiple spot accurate control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520730177.7U CN205045979U (en) | 2015-09-18 | 2015-09-18 | A pure oxygen combustion system that is used for rock wool fuse -element temperature multiple spot accurate control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205045979U true CN205045979U (en) | 2016-02-24 |
Family
ID=55339577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520730177.7U Withdrawn - After Issue CN205045979U (en) | 2015-09-18 | 2015-09-18 | A pure oxygen combustion system that is used for rock wool fuse -element temperature multiple spot accurate control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205045979U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130166A (en) * | 2015-09-18 | 2015-12-09 | 中材科技股份有限公司 | Pure oxygen combustion system for rock wool melt temperature multi-point accuracy control |
| CN107457374A (en) * | 2017-08-15 | 2017-12-12 | 中冶东方工程技术有限公司 | Casting system |
-
2015
- 2015-09-18 CN CN201520730177.7U patent/CN205045979U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105130166A (en) * | 2015-09-18 | 2015-12-09 | 中材科技股份有限公司 | Pure oxygen combustion system for rock wool melt temperature multi-point accuracy control |
| CN105130166B (en) * | 2015-09-18 | 2017-09-12 | 中材科技股份有限公司 | The pure oxygen burning system accurately controlled for rock wool melt temperature multiple spot |
| CN107457374A (en) * | 2017-08-15 | 2017-12-12 | 中冶东方工程技术有限公司 | Casting system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160224 Effective date of abandoning: 20170912 |
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| AV01 | Patent right actively abandoned |