CN201582777U - Heat pipe exhaust-heat boiler - Google Patents

Heat pipe exhaust-heat boiler Download PDF

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Publication number
CN201582777U
CN201582777U CN2009202983967U CN200920298396U CN201582777U CN 201582777 U CN201582777 U CN 201582777U CN 2009202983967 U CN2009202983967 U CN 2009202983967U CN 200920298396 U CN200920298396 U CN 200920298396U CN 201582777 U CN201582777 U CN 201582777U
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CN
China
Prior art keywords
heat
heat pipe
pipe
boiler
sleeve
Prior art date
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Expired - Fee Related
Application number
CN2009202983967U
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Chinese (zh)
Inventor
陈强
蔡连波
赵晓青
李保锋
盛维武
庞晶晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinopec Luoyang Guangzhou Engineering Co Ltd
Original Assignee
Sinopec Luoyang Petrochemical Engineering Corp
China Petrochemical Corp
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Publication date
Application filed by Sinopec Luoyang Petrochemical Engineering Corp, China Petrochemical Corp filed Critical Sinopec Luoyang Petrochemical Engineering Corp
Priority to CN2009202983967U priority Critical patent/CN201582777U/en
Application granted granted Critical
Publication of CN201582777U publication Critical patent/CN201582777U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0275Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The utility model discloses a heat pipe exhaust-heat boiler which belongs to the technical field of waste heat recovery and utilization and aims at solving the problems that the existing heat pipe exhaust-heat boiler has the leak probability when adopting thread gasket sealing between the heat pipe and a clapboard and leads the manufacture of the heat pipe exhaust-heat boiler and the overhaul and replacement of the heat pipe to be more difficult and the like. The heat pipe exhaust-heat boiler is provided with the heat pipe (6), a box body(1) and a steam pocket (9), wherein the steam pocket (9) is arranged above the box body; the clapboard (2) is arranged between the steam pocket and the box body and provided with a pipe hole; the heat absorption section of the heat pipe is arranged in the box body; the steam pocket is internally provided with a sleeve (5); the top end of the sleeve is a closed end and the bottom end thereof is an opening end; the pipe section at the opening end of the sleeve passes through the pipe hole on the clapboard; the ring seam bottom between the outer wall of the sleeve and the inner wall of the pipe hole is welded in a sealing way; and the heat release section of the heat pipe is coated with lubricating grease containing carbon dust and arranged in the sleeve. The heat pipe exhaust-heat boiler can be used for waste heat recovery and utilization of petroleum and petrochemistry, heat energy and electric power, steel, light textile and other industries.

Description

A kind of heat pipe waste heat boiler
Technical field
The utility model belongs to the heat recovery technical field, relates to a kind of heat pipe waste heat boiler.
Background technology
In industries such as petroleum and petrochemical industry, heat energy electric power, iron and steel and light textiles, what many devices all existed heat release or heat absorption can flow through journey.Energy utilizes in the process, and the recycling of waste heat is the important channel that reduces plant energy consumption.Multiple heat recovery equipment is arranged at present, and heat pipe waste heat boiler is wherein important a kind of.Heat pipe has heat-transfer character efficiently, and heat pipe waste heat boiler is a kind of economy, waste heat recovery apparatus simply and efficiently.The HTHP heat pipe waste heat boiler can utilize the heat of high-temperature gas to produce the high temperature and high pressure steam (water vapour) of 10~13MPa.
The HTHP heat pipe waste heat boiler that Chinese patent CN 2377441Y is introduced is divided into the saturated water cavity on top and the conversion air cavity of bottom in the boiler body, separate with single layer separator between two chambeies.The evaporator section of heat pipe (endotherm section) is positioned at the conversion air cavity, and condensation segment (heat release section) is positioned at saturated water cavity.Substantially all adopt this structure on the engineering at present, general thread spacer sealing or the welded seal of adopting between heat pipe and the dividing plate.If adopt the thread spacer sealing, can not guarantee fully not have under the HTHP and leak.If the employing welded seal because the length of dividing plate both sides evaporator section and condensation segment is all longer, and the intensive layout of heat pipe, therefore is not easy to carry out the welding between heat pipe and the dividing plate, the manufacturing that makes this heat pipe waste heat boiler is difficulty relatively.Heat pipe and dividing plate weld together, and make the maintenance of heat pipe, replacing also compare difficulty.The double tubesheet heat pipe waste heat boiler that CN 2896023Y is introduced, double tube sheet (being double-layer clapboard) is set between drum and smoke box, the upper strata tube sheet is drum wall (drum is flat), and lower floor's tube sheet is smoke box wall (a smoke box upper cover plate), leaves the space in the middle of the levels tube sheet.Heat pipe is evenly distributed on the double tube sheet, and is dead with the weldering of levels tube sheet respectively.Owing to adopt welded seal between heat pipe and the double-layer clapboard, make the manufacturing of this heat pipe waste heat boiler and the maintenance and the replacing of heat pipe also compare difficulty.
Summary of the invention
The purpose of this utility model provides a kind of heat pipe waste heat boiler, may occur leaking, make when adopting welded seal the maintenance of the manufacturing of heat pipe waste heat boiler and heat pipe when adopting the thread spacer sealing between existing existing heat pipe of heat pipe waste heat boiler and the dividing plate to solve and change relatively problem such as difficulty.
For addressing the above problem, the technical solution adopted in the utility model is: a kind of heat pipe waste heat boiler, be provided with heat pipe, casing and drum, drum is positioned at the top of casing, be provided with dividing plate between the two, dividing plate is provided with pore, heat pipe comprises endotherm section and heat release section, and endotherm section is located in the casing, and heat release section is a light pipe, it is characterized in that: be provided with sleeve pipe in the drum, its top is a blind end, the bottom is an openend, and the openend pipeline section of sleeve pipe is passed by the pore on the dividing plate, the circumferential weld bottom seal welding between its outer wall and the pore inwall, the heat release section of heat pipe scribbles the lubricant grease that contains carbon dust, is located in the sleeve pipe.
Adopt the utility model, have following beneficial effect: seal welding between (1) sleeve pipe and the dividing plate, sealing reliability is good; Even under high-temperature and high-pressure conditions, also can prevent from fully to leak between casing and the drum.(2) position of seal welding, than being easier to implement weld job, welding quality can obtain better guarantee.The heat release section of heat pipe is inserted sleeve pipe or extracted out in sleeve pipe, and is all very convenient.Like this, just make the utility model heat pipe waste heat boiler be easy to make, the maintenance of heat pipe, replacing also are easy to carry out.(3) cause under the situation of heat pipe booster at fluctuation of operating conditions,, still can not leak between casing and the drum, make the security reliability of the utility model heat pipe waste heat boiler higher because sleeve structure and seal welding structure can remain intact.(4) the heat pipe heat release section is located in the sleeve pipe, between heat transfer resistance have certain increase, but less to overall heat-transfer coefficient influence.The utility model heat pipe waste heat boiler still can be realized higher utilization rate of waste heat, and can move with security and stability, and its cost is also lower.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.The drawings and specific embodiments do not limit the claimed scope of the utility model.
Description of drawings
Fig. 1 is a kind of heat pipe waste heat boiler of the present utility model cutaway view vertically; What be provided with between the casing of this heat pipe waste heat boiler and the drum is single layer separator.
Fig. 2 is the partial schematic diagram that heat pipe waste heat boiler employing the utility model scheme of double-layer clapboard is set between casing and the drum.
Among Fig. 1 and Fig. 2, same reference numerals is represented identical technical characterictic.
The specific embodiment
Referring to heat pipe waste heat boiler of the present utility model shown in Figure 1.It is provided with heat pipe 6, casing 1 and drum 9.Heat pipe 6 vertically is provided with.Drum 9 is positioned at the top of casing 1, is provided with dividing plate 2 between the two.Dividing plate 2 is a single layer separator, which is provided with pore.Heat pipe 6 comprises endotherm section and heat release section; Endotherm section is located in the casing 1, and heat release section is a light pipe.The sidepiece of drum 9 is provided with water inlet 10, and the top is provided with steam (vapor) outlet 11, and the below of steam (vapor) outlet 11 is provided with gas-liquid separator 12.The both sides of casing 1 are respectively equipped with high-temperature gas inlet 3, high-temperature gas outlet 4, and the bottom is provided with the support 8 of heat pipe waste heat boiler.The top of casing 1 links to each other with dividing plate 2, and drum 9 links to each other with dividing plate 2 by the flange 11 that the bottom is provided with.
Be provided with sleeve pipe 5 in the drum 9, its top is that blind end, bottom are openend.The openend pipeline section of sleeve pipe 5 (near one section pipeline section fingerstall pipe 5 openends) is passed by the pore on the dividing plate 2, the circumferential weld bottom seal welding between its outer wall and the pore inwall.The heat release section of heat pipe 6 (referring to the heat release section outer wall) scribbles the lubricant grease that contains carbon dust, is located in the sleeve pipe 5.The bottom of heat pipe 6 (that is bottom of heat pipe 6 endotherm sections) is supported on the support member 7; Support member 7 can adopt members such as channel-section steel, is fixed in the upper surface of casing 1 bottom boxboard.
The utility model heat pipe waste heat boiler is mainly used in the HTHP occasion.Heat pipe 6 adopts high-temperature heat pipe, and its operating temperature range is generally 450~850 ℃, and the internal work medium adopts alkali metal (sodium or potassium).Every heat pipe 6 all is an independently heat transfer unit.Sleeve pipe 5 can adopt seamless steel tube for boiler material (as 20G) commonly used manufacturing.Fig. 1 (and among Fig. 2), heat pipe 6 is not analysed and observe.The heat release section used lubricant grease of coating heat pipe 6 can adopt industrial using always; Should select according to the operating temperature of heat pipe 6.
Heat pipe waste heat boiler is in operating process, and high-temperature gas (flue gas, reformed gas or coal gas etc.) is entered in the casing 1 by high-temperature gas inlet 3, is flowed out by high-temperature gas outlet 4 behind the endotherm section of the heat pipe 6 absorption heat.For strengthening endothermic effect, the endotherm section of heat pipe 6 preferably adopts spiral fin coil.Water is entered in the drum 9 by water inlet 10, submergence sleeve pipe 5.The heat release section of heat pipe 6 is by sleeve pipe 5 release heat in water, and the water explosive evaporation is transformed into saturated vapor.Saturated vapor is flowed out by steam (vapor) outlet 11 isolate the aqueous water of carrying secretly through gas-liquid separator 12 after.
The structure of the utility model heat pipe waste heat boiler shown in Figure 1, except that be provided with sleeve pipe 5 and with the heat release section of heat pipe 6 be located in the sleeve pipe 5, the principal characters such as circumferential weld bottom seal welding on the openend pipeline section outer wall of sleeve pipe 5 and the dividing plate 2 between the pore inwall, all the other are all with to have the heat pipe waste heat boiler that single layer separator is set now basic identical.
Heat pipe waste heat boiler shown in Figure 1 is got the blind end sleeve pipe 5 of sealing, opening-like attitude as yet earlier in manufacture process, the openend pipeline section is passed pore on the dividing plate 2, carries out seal welding bottom the circumferential weld between its outer wall and pore inwall.Afterwards, again the heat release section of heat pipe 6 is coated the lubricant grease that contains carbon dust, in the openend insertion sleeve pipe 5 by sleeve pipe 5.Leave certain radial clearance between the heat release section of heat pipe 6 and the sleeve pipe 5; Wherein the heat release section of heat pipe 6 is meant the heat release section outer wall, and sleeve pipe 5 is meant sleeve pipe 5 inwalls.Coat the lubricant grease that contains carbon dust in the heat release section of heat pipe 6, be to install on the one hand in order to be lubricated, to be convenient to, be for the heat release section of filling heat pipe 6 and the radial clearance between the sleeve pipe 5 on the other hand, the air in this gap is discharged from the blind end of sleeve pipe 5, with the heat release section that reduces heat pipe 6 and the heat transfer resistance between the sleeve pipe 5.Mixing carbon dust in the lubricant grease, is for the heat release section of filling heat pipe 6 better and the radial clearance between the sleeve pipe 5, improves heat-transfer effect, prevents that simultaneously the heat release section of heat pipe 6 and sleeve pipe 5 from high temperature boning.The carbon dust particle diameter is generally 150~300 microns, and carbon powder content is generally 5%~8% of the lubricant grease gross weight that contains carbon dust.The heat release section of heat pipe 6 is inserted after the sleeve pipe 5, and the blind end welding upper end cover 51 at sleeve pipe 5 seals blind end.This welding process also is more convenient and easy.Then, roughly, finish the manufacturing and the assembling of heat pipe waste heat boiler by existing conventional method.Just, need support member 7 be set, the bottom of heat pipe 6 is supported on the support member 7 at the upper surface of casing 1 bottom boxboard.
Between the blind end of top of heat pipe 6 (that is top of heat pipe 6 heat release section) and sleeve pipe 5, should leave certain end play (referring to Fig. 1), for the upwards thermal expansion vertically of heat pipe 6 in the operating process.Owing to also leave radial clearance between the heat release section of heat pipe 6 and the sleeve pipe 5, be not rigidly connected between heat pipe 6 and the adjacent component, in addition so every heat pipe 6 all is in the state that can freely stretch vertically in the operating process; The thermal stress of heat pipe 6 is less, helps safe and stable operation.
In the utility model heat pipe waste heat boiler downtime, need opposite heat tube 6 to overhaul, when changing, then, at first heat pipe waste heat boiler is taken apart as existing conventional way, dismantle heat pipe 6 then.Owing to leave radial clearance and this gap retains the lubricant grease that contains carbon dust between the heat release section of heat pipe 6 and sleeve pipe 5, the heat release section of heat pipe 6 and sleeve pipe 5 can be not bonding, thus can be at an easy rate with the heat release section of heat pipe 6 from sleeve pipe 5 interior extractions.Reinstall the process of heat pipe 6, referring to the explanation of preamble to heat pipe waste heat boiler manufacture process part shown in Figure 1.The heat release section of heat pipe 6 is inserted before the sleeve pipe 5, needs the end cap 51 of sleeve pipe 5 blind ends is cut away; The heat release section of heat pipe 6 is inserted after the sleeve pipe 5, and the blind end at sleeve pipe 5 welds upper end cover 51 again.
The heat pipe waste heat boiler of double-layer clapboard is set between casing and the drum, and the double tubesheet heat pipe waste heat boiler as CN 2896023Y is introduced also can adopt the utility model scheme.Referring to Fig. 2, dividing plate 2 is two-layer up and down, and the space is left in the centre.The upper strata dividing plate links to each other with the drum bottom, and lower floor's dividing plate links to each other with the casing top.The openend pipeline section of sleeve pipe 5 is passed by pore set on the two-layer dividing plate respectively, and the circumferential weld bottom seal welding between its outer wall and the pore inwall is referring to Fig. 2.Like this, just prevented the middle space leakage of the two-layer up and down dividing plate of medium in casing and the drum.Adopt remaining structure of double-layer clapboard heat pipe waste heat boiler of such scheme, substantially the same with single layer separator heat pipe waste heat boiler shown in Figure 1, describe in detail and the omission of overall structure schematic diagram.
Above-mentioned double-layer clapboard heat pipe waste heat boiler is in manufacture process, get earlier blind end as yet the sealing, opening-like attitude sleeve pipe 5, the openend pipeline section is passed pore on the dividing plate of upper strata, and stretch out one section (extension elongation should be able to pass space in the middle of the up and down two-layer dividing plate and the pore on lower floor's dividing plate).Afterwards, carry out seal welding in the openend pipeline section outer wall and the bottom of the circumferential weld between the pore inwall on the dividing plate of upper strata of sleeve pipe 5.This fashion is not provided with lower floor's dividing plate; The length that the openend pipeline section of sleeve pipe 5 stretches out from the pore on the dividing plate of upper strata generally need not be oversize, so can more convenient and easily carry out above-mentioned welding.Welding is provided with lower floor's dividing plate after finishing again, makes the openend pipeline section of the sleeve pipe 5 that is stretched out by the pore on the dividing plate of upper strata pass pore on lower floor's dividing plate, carries out seal welding bottom the circumferential weld between the pore inwall on its outer wall and the lower floor's dividing plate.Afterwards, press and the similar method of single layer separator heat pipe waste heat boiler shown in Figure 1, finish the manufacturing and the assembling of double-layer clapboard heat pipe waste heat boiler.The maintenance of double-layer clapboard heat pipe waste heat boiler heat pipe 6, replacing process, also similar with single layer separator heat pipe waste heat boiler shown in Figure 1.
The utility model is provided with the heat pipe waste heat boiler of individual layer and double-layer clapboard in operating process, except that the heat release section of heat pipe 6 be by sleeve pipe 5 in water the release heat, all the other are all basic identical with the existing heat pipe waste heat boiler that individual layer and double-layer clapboard be set.
The utility model heat pipe waste heat boiler can be used for the heat recovery process of industries such as petroleum and petrochemical industry, heat energy electric power, iron and steel and light textile.

Claims (3)

1. heat pipe waste heat boiler, be provided with heat pipe (6), casing (1) and drum (9), drum (9) is positioned at the top of casing (1), be provided with dividing plate (2) between the two, dividing plate (2) is provided with pore, heat pipe (6) comprises endotherm section and heat release section, endotherm section is located in the casing (1), heat release section is a light pipe, it is characterized in that: be provided with sleeve pipe (5) in the drum (9), its top is a blind end, the bottom is an openend, the openend pipeline section of sleeve pipe (5) is passed by the pore on the dividing plate (2), circumferential weld bottom seal welding between its outer wall and the pore inwall, the heat release section of heat pipe (6) scribbles the lubricant grease that contains carbon dust, is located in the sleeve pipe (5).
2. heat pipe waste heat boiler according to claim 1 is characterized in that: dividing plate (2) is single layer separator or double-layer clapboard.
3. heat pipe waste heat boiler according to claim 1 and 2 is characterized in that: the endotherm section of heat pipe (6) is a spiral fin coil.
CN2009202983967U 2009-12-30 2009-12-30 Heat pipe exhaust-heat boiler Expired - Fee Related CN201582777U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202983967U CN201582777U (en) 2009-12-30 2009-12-30 Heat pipe exhaust-heat boiler

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Application Number Priority Date Filing Date Title
CN2009202983967U CN201582777U (en) 2009-12-30 2009-12-30 Heat pipe exhaust-heat boiler

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103216805A (en) * 2012-01-20 2013-07-24 中国科学院工程热物理研究所 Anticorrosion smoke waste heat recycling device of heat pipe structure
CN103673701A (en) * 2013-12-26 2014-03-26 南京加诺能源设备有限公司 Phthalic anhydride gas cooler
CN103900387A (en) * 2014-04-10 2014-07-02 天津华能北方热力设备有限公司 Glass kiln waste heat recovery system
CN105091616A (en) * 2015-08-05 2015-11-25 保定市金能换热设备有限公司 System and method for recycling waste heat energy of exhausted smoke of coal gangue brick-making roasting tunnel kiln
CN108716662A (en) * 2018-04-26 2018-10-30 山东省食品药品检验研究院 A kind of liquid of setting header is smoked to wash steam generator
CN109870055A (en) * 2019-03-12 2019-06-11 东北大学 A kind of hot water storage tank and its application method using fume afterheat
CN111043619A (en) * 2019-12-23 2020-04-21 大唐郓城发电有限公司 Waste heat utilization device and use method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103216805A (en) * 2012-01-20 2013-07-24 中国科学院工程热物理研究所 Anticorrosion smoke waste heat recycling device of heat pipe structure
CN103673701A (en) * 2013-12-26 2014-03-26 南京加诺能源设备有限公司 Phthalic anhydride gas cooler
CN103900387A (en) * 2014-04-10 2014-07-02 天津华能北方热力设备有限公司 Glass kiln waste heat recovery system
CN103900387B (en) * 2014-04-10 2015-12-30 天津华能北方热力设备有限公司 The residual neat recovering system of glass furnace
CN105091616A (en) * 2015-08-05 2015-11-25 保定市金能换热设备有限公司 System and method for recycling waste heat energy of exhausted smoke of coal gangue brick-making roasting tunnel kiln
CN108716662A (en) * 2018-04-26 2018-10-30 山东省食品药品检验研究院 A kind of liquid of setting header is smoked to wash steam generator
CN109870055A (en) * 2019-03-12 2019-06-11 东北大学 A kind of hot water storage tank and its application method using fume afterheat
CN111043619A (en) * 2019-12-23 2020-04-21 大唐郓城发电有限公司 Waste heat utilization device and use method

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No.

Co-patentee after: Luoyang Petrochemical Engineering Corporation /SINOPEC

Patentee after: China Petrochemical Group Corp.

Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No.

Co-patentee before: Luoyang Petrochemical Engineering Co., China Petrochemical Group

Patentee before: China Petrochemical Group Corp.

ASS Succession or assignment of patent right

Free format text: FORMER OWNER: SINOPEC LUOYANG PETROCHEMICAL ENGINEERING CORPORATION

Effective date: 20130326

Owner name: SINOPEC LUOYANG PETROCHEMICAL ENGINEERING CORPORAT

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Effective date: 20130326

C41 Transfer of patent application or patent right or utility model
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Address after: 471003 Zhongzhou West Road, Henan, China, No. 27, No.

Patentee after: Luoyang Petrochemical Engineering Corporation /SINOPEC

Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No.

Patentee before: China Petrochemical Group Corp.

Patentee before: Luoyang Petrochemical Engineering Corporation /SINOPEC

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100915

Termination date: 20161230