CN202547419U - Heat energy recovery system for high-temperature materials - Google Patents
Heat energy recovery system for high-temperature materials Download PDFInfo
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- CN202547419U CN202547419U CN2012202311232U CN201220231123U CN202547419U CN 202547419 U CN202547419 U CN 202547419U CN 2012202311232 U CN2012202311232 U CN 2012202311232U CN 201220231123 U CN201220231123 U CN 201220231123U CN 202547419 U CN202547419 U CN 202547419U
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Abstract
The utility model relates to a heat energy recovery system for high-temperature materials. The heat energy recovery system comprises a barrel, wherein a conveying belt which axially passes through the barrel and is used for conveying the high-temperature materials from the feeding hole of the barrel to the discharging hole of the barrel; a heat exchanger is arranged in an opening on the top of the barrel; and a cooling and crushing device for cooling and condensing the high-temperature materials into particles and conveying the particles onto the conveying belt is arranged close to the feeding hole of the barrel. The cooling and crushing device is used for crushing materials, so that materials are prevented from being agglomerated during cooling; and meanwhile, after materials are crushed by using the cooling and crushing device, residual heat of materials is released fully and rapidly, and the recovery ratio of heat energy is increased. Due to the adoption of the system, residual of materials such as yellow phosphorus slag, copper smelter slag and the like is utilized effectively, the dissipation energy can be reduced greatly, energy is saved, and the emission of greenhouse gas is reduced correspondingly; moreover, high-temperature materials such as yellow phosphorus slag and the like are prepared into building particles, so that the aim of changing waste into valuable is fulfilled, and the production of solid garbage is avoided; and the heat energy recovery system has very good economic benefit and social benefit.
Description
Technical field
The utility model relates to the technical field of high-temperature material heat recovery, specifically is a kind of high-temperature material heat reclaiming system.
Background technology
Phosphorus production is the highly energy-consuming industry, and 1 ton of yellow phosphorus of every production will consume 1.4 ten thousand kilowatt hours electricity and 1.6 tons of carbon at least, and Chinese existing annual capacity is 800,000 tons.To produce a large amount of high temperature furnace slags in the phosphorus production process.Equally, also there are a large amount of high temperature furnace slags in industries such as steel-making, aluminium metallurgy, copper metallurgy.
Therefore, how recycling the heat energy of high temperature furnace slag, reducing the power consumption of resource production such as yellow phosphorus and metallurgy industry etc., significantly reduce greenhouse gas emission with corresponding, is China's urgent problem.
In addition, the yellow phosphorus slag is the waste residue of discharging in the phosphorus production process.It mainly consists of CasiO
3Phosphorus slag be by apatite, quartz, coke in electric arc furnaces, with about 1600 ℃ high melt, react and the waste residue of discharging; Phosphorus slag in air gradually crystallisation by cooling be the bigger block of volume, this block integral hardness is near granite, is unfavorable for recycling.
How to provide a kind of and can utilize the heat energy of high-temperature material in cooling procedure such as phosphorus slag more fully, can prevent high-temperature material caking when cooling again, and generate particulate material, so that, be the technical problem that this area will solve as particulate material for building.
The utility model content
The utility model technical problem to be solved provide a kind of simple in structure, high-temperature material waste heat recovery rate is higher and can prevent the high-temperature material heat reclaiming system of high-temperature material at when cooling caking.
For solving the problems of the technologies described above, the high-temperature material heat reclaiming system that the utility model provides comprises: cylindrical shell is provided with the transport tape that is used for said high-temperature material is delivered to from the feeding mouth of this cylindrical shell discharging opening that axially runs through this cylindrical shell in this cylindrical shell; The opening at said cylindrical shell top is provided with heat exchanger; The feeding mouth of contiguous said cylindrical shell is delivered to the cooling particle device on the transport tape after being provided with and being used for said high-temperature material cooled and solidified is particle.Wherein, heat exchanger is used for the high-temperature material waste heat recovery; Cooling particle device is used for the cooled and solidified high-temperature material and generates particulate material, prevents material caking when cooling, generates simultaneously that the area of dissipation of material significantly increases after the particulate material, and the waste heat that is beneficial to material fully, discharge fast is beneficial to the rate of recovery that improves heat energy.
As the scheme of optimizing, be provided with material scraping plate in the said cylindrical shell and in said transport tape top, so that the material on the said transport tape is evenly distributed, be beneficial to abundant, the quick release of waste heat of material, be beneficial to the rate of recovery that improves heat energy.
Scheme as further optimization; The aperture distribution at said cylindrical shell top has a plurality of; Being used in the heat exchanger on each opening carries the heat exchanger tube of heat transferring medium to connect successively, and the heat transferring medium of cold state is from the heat transferring medium inlet input of the heat exchanger of the discharging opening of contiguous said cylindrical shell, because the heat exchanger tube temperature in each heat exchanger on the flow direction of said heat transferring medium raises step by step; Thereby be suitable for making said heat transferring medium by heating step by step, and reach higher temperature; The heat transferring medium outlet of heat exchanger is used to connect other heat transmission equipments, is used to produce hot water, hot-air or superheated steam etc.
As the scheme of optimizing; The exhaust outlet that being used to of each heat exchanger top discharged the heat exchange air is connected with circulating gas pipe respectively; Each circulating gas pipe is passed the sidewall of said cylindrical shell and is extended in the said cylindrical shell and between the upper and lower layer of said transport tape, is suitable for the cycling hot air-flow that upwards penetrates said epipelagic zone and act on said heat exchanger in cylindrical shell, to form; The bottom surface of the contiguous said epipelagic zone in the gas outlet, bottom of each circulating gas pipe also is provided with up.Adopt the cycling hot air-flow to act on corresponding heat exchanger, avoided the loss of hot-air, mend the cool exterior air heating simultaneously, further improved the rate of recovery of heat energy.
Said cooling particle device is a double-roll crusher; Comprise the particle roller that a pair of adjacent parallel is provided with; The inwall of this particle roller is provided with along the spiral heat exchange tube axial distribution of this particle roller, that be used to heat said heat transferring medium, and this spiral heat exchange tube is that opening is welded on the semicircle pipe on the said particle roller inwall; Spiral heat exchange tube adopts the semicircle pipe to process, and the heat transferring medium in the heat exchanger tube is directly contacted with the inwall of particle roller, is beneficial to further raising heat energy conversion efficient and heat energy recovery rate.
Further, described particle roller two ends central authorities are respectively equipped with into liquid, fluid hollow rotating shaft; This to hollow rotating shaft respectively bearing be matched with on the pair of bearing, and the external port of described a pair of hollow rotating shaft is respectively equipped with swivel, is respectively applied for the body that connects input, the said heat transferring medium of output; The outlet end of said spiral heat exchange tube links to each other with the inner port of said hollow rotating shaft; The liquid inlet of said spiral heat exchange tube is in this particle roller and extend to contiguous said fluid hollow rotating shaft; So that the heat transferring medium that newly gets in this particle roller gets into said spiral heat exchange tube after the preheating in this particle roller; Further heat, and then prolong the heat exchange stroke of heat transferring medium, improve heat exchange efficiency.
The external port of the said swivel that one side of described a pair of particle roller is adjacent links to each other, so that said heat transferring medium is in this heat exchange of connecting in to the particle roller, with the said heat transferring medium of further heating, the heat transferring medium that formation temperature is higher.
Further, the liquid air heart rotating shaft of going into of the opposite side of described a pair of particle roller links to each other with the heat transferring medium outlet of the heat exchanger of the feeding mouth of contiguous said cylindrical shell through said swivel.Because the temperature on particle roller surface is higher, be suitable for the heat transferring medium of further heating, the heat transferring medium that formation temperature is higher from said heat exchanger output.
For further improving the rate of recovery of heat energy, be provided with a plurality of shifting boards that distribute alternately in the said cylindrical shell and in said epipelagic zone below, a cavity that constitutes between the adjacent a pair of shifting board and a said heat exchanger distribute up and down relatively; The air of the exhaust outlet at described heat exchanger top output is suitable for delivering in the said cavity under this heat exchanger through said circulating gas pipe.
Further, excessive for preventing thermal current and material, the feeding mouth of said cylindrical shell and be provided with the striker plate of tilt in feeding mouth in the outside of said cooling particle device.
Said high-temperature material is a yellow phosphorus furnace slag; Owing to be the bigger block of volume after traditional yellow phosphorus furnace slag piles up crystallisation by cooling; This block integral hardness is near granite; Generate the particulate material (particle diameter of particulate material after adopting said cooling particle device with the yellow phosphorus furnace slag cooled and solidified of high temperature attitude, particle; By decisions such as the protruding shape of the roll surface of the double-roll crusher of selecting for use, density) so that, realized its recycling as particulate material for building.
The discharging opening of cooling particle device and the vertical range of said transport tape are 0.3-1m, in the blanking process, to realize the air cooling, to generate particulate material, prevent that the yellow phosphorus furnace slag regelation from becoming piece.
As further preferred scheme, said heat exchanger is the vertical pipe type heat exchanger, is provided with the spiral wind deflector that distributes up and down in this heat exchanger, and the vertical heat exchanger tube in the heat exchanger interts on said spiral wind deflector.The spiral wind deflector stroke of hot blast in this heat exchanger that be suitable for extending increases the time of contact of hot blast and heat exchanger tube, and then further improves the rate of recovery of heat energy.
The utility model has positive effect with respect to prior art: the high-temperature material heat reclaiming system of the utility model, and one side has effectively been utilized the waste heat of yellow phosphorus furnace slag, the ability that can significantly lower consumption, the discharging of energy savings and a large amount of greenhouse gases of corresponding minimizing; On the other hand, yellow phosphorus stove slag is generated particulate material for building, realized the purpose that turns waste into wealth, avoided the generation of solid refuse, it has good economic benefits and social benefit.
Description of drawings
Fig. 1 is the structural representation of high-temperature material heat reclaiming system among the embodiment 1;
Fig. 2 is the other end structural representation of the double-roll crusher among Fig. 1;
Fig. 3 is the roll surface structural representation of said double-roll crusher;
Fig. 4 is the cross-sectional view of the particle roller in the said double-roll crusher;
Fig. 5 is the cross-sectional view of the particle roller among the embodiment 2.
The specific embodiment
Embodiment 1
See Fig. 1 to 4; The high-temperature material heat reclaiming system of present embodiment; Comprise: cylindrical shell 1; Be provided with in this cylindrical shell 1 axially run through this cylindrical shell 1 be used for said high-temperature material is delivered to the transport tape 2 of discharging opening from the feeding mouth of this cylindrical shell 1, the end of contiguous said cylindrical shell 1 is respectively equipped with the drive 3 that cooperates with said transport tape 2 transmissions, is distributed with a plurality of carrying rollers 17 below the epipelagic zone bottom surface of the transport tape 2 in the said cylindrical shell 1.
The top portion of said cylindrical shell 1 is furnished with a plurality of openings; The heat exchanger 5 that each opening is provided with; Heat transferring medium carrier pipe in each heat exchanger 5 is connected successively, and the low-temperature heat exchange medium is from the heat transferring medium inlet input of the heat exchanger 5 of the discharging opening of contiguous said cylindrical shell 1, because the heat exchanger tube temperature in each heat exchanger 5 on the flow direction of said heat transferring medium raises step by step; Thereby be suitable for making said heat transferring medium by heating step by step, and reach higher temperature; Said heat transferring medium is conduction oil or water (preferred soft water).
The heat transferring medium outlet of heat exchanger 5 is used to connect other heat transmission equipments, is used to produce hot water, hot-air or superheated steam etc.The feeding mouth of contiguous said cylindrical shell 1 is delivered to the cooling particle device on the transport tape 2 after being provided with and being used for said high-temperature material cooled and solidified is particle.
Heat exchanger 5 is used for the high-temperature material waste heat recovery; Cooling particle device is used for the cooled and solidified high-temperature material and generates particulate material, prevents material caking when cooling, generates simultaneously that the area of dissipation of material significantly increases after the particulate material, and the waste heat that is beneficial to material fully, discharge fast is beneficial to the rate of recovery that improves heat energy.
Be provided with material scraping plate 7 in the said cylindrical shell 1 and in transport tape 2 tops,, be beneficial to abundant, the release fast of waste heat of material, be beneficial to the rate of recovery that improves heat energy so that the material on the said transport tape 2 is evenly distributed.
The exhaust outlet that being used to of each heat exchanger 5 top discharged the heat exchange air is connected with circulating gas pipe 8 respectively; Each circulating gas pipe 8 is passed the wall body of said cylindrical shell 1 and is extended between the upper and lower layer band of the said transport tape 2 in the said cylindrical shell 1, is suitable for the cycling hot air-flow that upwards penetrates the epipelagic zone of said transport tape 2 and act on said heat exchanger 5 with formation in cylindrical shell 1; The bottom surface of the epipelagic zone of the contiguous said transport tape 2 in the gas outlet, bottom of each circulating gas pipe 8 also is provided with up.Adopt the cycling hot air-flow to act on corresponding heat exchanger 5, avoided the loss of hot-air, need not simultaneously to mend cool exterior air, further improved the rate of recovery of heat energy.
Said cooling particle device is a double-roll crusher; Comprise the particle roller 6 that a pair of adjacent parallel is provided with; The inwall of this particle roller 6 is provided with along spiral heat exchange tube 11 axial distribution of this particle roller, that be used to heat said heat transferring medium, and this spiral heat exchange tube 11 is the semicircle pipe on opening the is welded on said particle roller inwall; Spiral heat exchange tube 11 adopts the semicircle pipe to process, and the heat transferring medium in the spiral heat exchange tube 11 is directly contacted with the inwall of particle roller 6, is beneficial to further raising heat energy conversion efficient and heat energy recovery rate.
Sending into this said heat transferring medium to particle roller 6 can be new cold heat transferring medium, also can be the hot heat transferring medium from heat exchanger 5 outputs of the feeding mouth of contiguous said cylindrical shell 1; Can carry out corresponding selection according to the temperature requirement of the required said heat transferring medium in outside.
As a kind of embodiment; The heat transferring medium inlet of the spiral heat exchange tube in the one particle roller 6 links to each other with the heat transferring medium outlet of the heat exchanger 5 of the feeding mouth of contiguous said cylindrical shell 1; Because the temperature on the particle roller 6 is higher; Be suitable for the heat transferring medium of further heating, the heat transferring medium that formation temperature is higher from said heat exchanger 5 outputs.
The two ends of spiral heat exchange tube 11 link to each other with the inner port of the hollow rotating shaft 15 that is fixed in these particle roller two ends central authorities respectively; This to hollow rotating shaft 15 respectively bearing be matched with on the pair of bearing 12; And the external port of described a pair of hollow rotating shaft is respectively equipped with swivel 13, is respectively applied for input, exports said heat transferring medium.
As preferential scheme; The external port of the said swivel 13 of one side abutting end of described a pair of particle roller 6 links to each other; So that this links to each other with the heat transferring medium outlet of the heat exchanger 5 of the feeding mouth of contiguous said cylindrical shell 1 to the 11 series connection backs of the spiral heat exchange tube in the particle roller 6; With the said heat transferring medium of further heating, the heat transferring medium that formation temperature is higher.
Because in heating process; Said heat transferring medium partly vaporize (when especially heat transferring medium is soft water); Heat transferring medium outlet at heat exchanger 5 tops of the feeding mouth of contiguous said cylindrical shell 1 is suitable for exporting steam; This steam links to each other with a drum 9 through first check-valves, and the liquid heat transferring medium outlet of these heat exchanger 5 bottoms links to each other with an end of the spiral heat exchange tube of said series connection, and the other end of the spiral heat exchange tube of said series connection links to each other with said drum 9 through second check-valves.Drum 9 is used to store vapours or hot water or deep fat, is used for to other equipment heat supplies.
Be provided with a plurality of shifting boards that distribute alternately 10 in the said cylindrical shell 1 and in the epipelagic zone below of said transport tape 2; Each shifting board 10 is provided with and is suitable for making said lower floor to be with the rectangular through-hole of walking, and a cavity that constitutes between the adjacent a pair of shifting board 10 and a said heat exchanger 5 distribute up and down relatively; The air of the top vent output of a described heat exchanger 5 is suitable for delivering in the said cavity of these heat exchanger 5 belows through said circulating gas pipe 8.
Excessive for preventing thermal current and material, the feeding mouth of said cylindrical shell 1 and be provided with the striker plate 4 of tilt in feeding mouth in the outside of said cooling particle device.
Said high-temperature material is a yellow phosphorus furnace slag; Owing to be the bigger block of volume after traditional yellow phosphorus furnace slag piles up crystallisation by cooling; This block integral hardness is near granite, adopt said cooling particle device to pulverize after, be suitable for generating particulate material; So that, realized its recycling as particulate material for building.
The discharging opening of cooling particle device and the vertical range of said transport tape 2 are 0.3-1m, in the blanking process, to realize the air cooling, to generate particulate material, prevent that the yellow phosphorus furnace slag regelation from becoming piece.
Said cooling particle device is a double-roll crusher, comprises the particle roller 6 that a pair of adjacent parallel is provided with, and is distributed with protruding 14 on the roller wall of each particle roller 6; A pair of particle roller 6 is suitable for rotating in opposite directions when working.
Another kind of embodiment as cooling particle device; Said cooling particle device is a double-roll crusher; It comprises the particle roller that a pair of adjacent parallel is provided with; This particle roller is the jacket type roll body, and the heat transferring medium inlet of this jacket type roll body links to each other with the heat transferring medium outlet of the heat exchanger 5 of the feeding mouth of contiguous said cylindrical shell 1.As the third embodiment of cooling particle device, cooling particle device also can adopt the drum-type agitator, and the rotating cylinder of this drum-type agitator is a jacket type, is used for said heat transferring medium heating.
The bottom of said heat exchanger 5 is horn-like, and string is provided with the high pressure conveying gas blower 16 that is in said cylindrical shell 1 outside on each circulating gas pipe 8.
Said heat exchanger 5 is the vertical pipe type heat exchanger, is provided with the spiral wind deflector that distributes up and down in this heat exchanger 5, and the vertical heat exchanger tube in the heat exchanger 5 interts on said spiral wind deflector.
Embodiment 2
On the basis of embodiment 1, present embodiment has following modification:
Described particle roller 6 two ends central authorities are respectively equipped with into liquid, fluid hollow rotating shaft; This to hollow rotating shaft respectively bearing be matched with on the pair of bearing 12, and the external port of described a pair of hollow rotating shaft is respectively equipped with swivel 13, is respectively applied for the body that connects input, the said heat transferring medium of output; The outlet end of said spiral heat exchange tube 11 links to each other with the inner port of said hollow rotating shaft; The liquid inlet of said spiral heat exchange tube 11 is in this particle roller 6 and extend to contiguous said fluid hollow rotating shaft; So that the heat transferring medium that newly gets in this particle roller 6 gets into said spiral heat exchange tube 11 after the preheating in this particle roller 6; Further heat, and then prolong the heat exchange stroke of heat transferring medium, improve heat exchange efficiency.
The external port of the said swivel that one side of described a pair of particle roller 6 is adjacent links to each other, so that said heat transferring medium is in this heat exchange of connecting in to the particle roller, with the said heat transferring medium of further heating, the heat transferring medium that formation temperature is higher.
The liquid air heart rotating shaft of going into of the opposite side of described a pair of particle roller links to each other with the heat transferring medium outlet of the heat exchanger 5 of the feeding mouth of contiguous said cylindrical shell 1 through said swivel.Because the temperature on particle roller surface is higher, be suitable for the heat transferring medium of further heating, the heat transferring medium that formation temperature is higher from said heat exchanger output.
Embodiment 3
On the basis of embodiment 1 and 2, present embodiment has following modification:
Described a pair of particle roller 6 adopts the particle roller 6 in embodiment 1 and 2 respectively, and the said spiral heat exchange tube 11 output backs of said heat transferring medium from embodiment 1 described particle roller 6 get into embodiment 2 described particle rollers 6.
Claims (10)
1. high-temperature material heat reclaiming system, it is characterized in that comprising: cylindrical shell is provided with the transport tape that is used for said high-temperature material is delivered to from the feeding mouth of this cylindrical shell discharging opening that axially runs through this cylindrical shell in this cylindrical shell;
The opening at said cylindrical shell top is provided with heat exchanger;
The feeding mouth of contiguous said cylindrical shell is delivered to the cooling particle device on the transport tape after being provided with and being used for said high-temperature material cooled and solidified is particle.
2. high-temperature material heat reclaiming system according to claim 1 is characterized in that: be provided with material scraping plate in the said cylindrical shell and in said transport tape top, so that the material on the said transport tape is evenly distributed.
3. high-temperature material heat reclaiming system according to claim 1; It is characterized in that: the aperture distribution at said cylindrical shell top has a plurality of; Being used in the heat exchanger on each opening carries the heat exchanger tube of heat transferring medium to connect successively, and the heat transferring medium of cold state is from the heat transferring medium inlet input of the heat exchanger of the discharging opening of contiguous said cylindrical shell;
The exhaust outlet that being used to of each heat exchanger top discharged the heat exchange air is connected with circulating gas pipe respectively; Each circulating gas pipe is passed the sidewall of said cylindrical shell and is extended in the said cylindrical shell and between the upper and lower layer band of said transport tape, is suitable for the cycling hot air-flow that upwards penetrates said epipelagic zone and act on said heat exchanger in cylindrical shell, to form; The bottom surface of the contiguous said epipelagic zone in the gas outlet, bottom of each circulating gas pipe also is provided with up.
4. high-temperature material heat reclaiming system according to claim 3; It is characterized in that: said cooling particle device comprises the particle roller that a pair of adjacent parallel is provided with; The inwall of this particle roller is provided with along the spiral heat exchange tube axial distribution of this particle roller, that be used to heat said heat transferring medium, and this spiral heat exchange tube is that opening is welded on the semicircle pipe on the said particle roller inwall.
5. high-temperature material heat reclaiming system according to claim 4 is characterized in that: said particle roller two ends central authorities are respectively equipped with into liquid, fluid hollow rotating shaft; This to hollow rotating shaft respectively bearing be matched with on the pair of bearing, and the external port of described a pair of hollow rotating shaft is respectively equipped with swivel, connects the body that is used to import, export said heat transferring medium respectively;
The outlet end of said spiral heat exchange tube links to each other with the inner port of said fluid hollow rotating shaft, and the liquid inlet of said spiral heat exchange tube is in this particle roller and extend to contiguous said fluid hollow rotating shaft.
6. high-temperature material heat reclaiming system according to claim 5 is characterized in that: the external port of the said swivel that described a pair of particle roller one side is adjacent links to each other, so that said heat transferring medium is in this heat exchange of connecting in to the particle roller.
7. according to claim 5 or 6 described high-temperature material heat reclaiming systems, it is characterized in that: the liquid air heart rotating shaft of going into of the opposite side of described a pair of particle roller links to each other with the heat transferring medium outlet of the heat exchanger of the feeding mouth of contiguous said cylindrical shell through said swivel.
8. high-temperature material heat reclaiming system according to claim 3; It is characterized in that: be provided with a plurality of shifting boards that distribute alternately in the said cylindrical shell and in said epipelagic zone below, a cavity that constitutes between the adjacent a pair of shifting board and a said heat exchanger distribute up and down relatively; The air of the exhaust outlet at described heat exchanger top output is suitable for delivering in the said cavity under this heat exchanger through said circulating gas pipe.
9. according to the described high-temperature material heat reclaiming system of one of claim 1 to 3; It is characterized in that: said heat exchanger is the vertical pipe type heat exchanger; Be provided with the spiral wind deflector that distributes up and down in this heat exchanger, the vertical heat exchanger tube in the heat exchanger interts on said spiral wind deflector.
10. according to the described high-temperature material heat reclaiming system of one of claim 1 to 3, it is characterized in that: cool off the discharging opening of particle device and the vertical range of said transport tape is 0.3-1m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202311232U CN202547419U (en) | 2012-05-21 | 2012-05-21 | Heat energy recovery system for high-temperature materials |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202311232U CN202547419U (en) | 2012-05-21 | 2012-05-21 | Heat energy recovery system for high-temperature materials |
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| CN202547419U true CN202547419U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012202311232U Expired - Fee Related CN202547419U (en) | 2012-05-21 | 2012-05-21 | Heat energy recovery system for high-temperature materials |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645105A (en) * | 2012-05-21 | 2012-08-22 | 邹岳明 | High-temperature material heat recovery system |
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2012
- 2012-05-21 CN CN2012202311232U patent/CN202547419U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645105A (en) * | 2012-05-21 | 2012-08-22 | 邹岳明 | High-temperature material heat recovery system |
| CN102645105B (en) * | 2012-05-21 | 2014-12-24 | 邹岳明 | High-temperature material heat recovery system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGSU SHUANGHU ENVIRONMENTAL PROTECTION ENERGY SAVING EQUIPMENT TECHNOLOGY CO., LTD. Assignor: Zou Yueming|Zou Yujie Contract record no.: 2013320000266 Denomination of utility model: Heat-energy recovery system of high-temperature material Granted publication date: 20121121 License type: Exclusive License Record date: 20130327 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20130521 |