CN202747324U - Heat energy recovery device for high-pressure dead steam - Google Patents
Heat energy recovery device for high-pressure dead steam Download PDFInfo
- Publication number
- CN202747324U CN202747324U CN 201220406017 CN201220406017U CN202747324U CN 202747324 U CN202747324 U CN 202747324U CN 201220406017 CN201220406017 CN 201220406017 CN 201220406017 U CN201220406017 U CN 201220406017U CN 202747324 U CN202747324 U CN 202747324U
- Authority
- CN
- China
- Prior art keywords
- exhaust steam
- pressure exhaust
- water
- low pressure
- high pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a heat energy recovery device for high-pressure dead steam. The heat energy recovery device for high-pressure dead steam comprises a high-pressure dead steam pressurization utilization system, a low-pressure dead stem separation and utilization system, a low-pressure dead steam absorption and deoxidation system and a central intelligent control system, wherein the high-pressure dead steam pressurization utilization system, the low-pressure dead stem separation and utilization system, the low-pressure dead steam absorption and deoxidation system are respectively connected with the central intelligent control system. The high-pressure dead steam pressurization utilization system and the low-pressure dead steam absorption and deoxidation system are respectively connected with the low-pressure dead stem separation and utilization system. The heat energy recovery device for high-pressure dead steam is capable of operating automatically. The dead steam water temperature can be controlled comprehensively to operate, drainage pressurization can operate automatically, deoxidation and deoxygenation can be operated automatically. The heat energy recovery device for high-pressure dead steam can recover dead steam, sewage heat energy and low-pressure dead steam and achieve function of dead team deoxidation and hot water deoxidation. The effect of deoxidation is capable of satisfying water quality inflow standard for a medium-pressure and low-pressure boiler, achieving several functions with one device and reducing input.
Description
Technical field
The utility model relates to the heat-energy recovering apparatus technical field, particularly relates to a kind of heat-energy recovering apparatus of high pressure exhaust steam.
Background technology
Every cover steam generator system is in order to keep the standard salt content in the water quality in industrial production, periodical blowdown and continuous blow down system equipment all have been equipped with, when water quality is defective, depress high-temperature water by periodical blowdown and continuous blowdown discharge steam generator system with waiting in the steam generator system, when system's blowdown, what face is exactly the waste of a large amount of heat energy and the waste of relatively high-quality hot water; Another boiler auxiliary equipment low level higher-pressure deaerator in order to get rid of oxygen in water, needs oxygen-eliminating device to get rid of continuously the mixture of a large amount of steam with pressure and oxygen also with to decide platoon the same, has caused the waste of a large amount of high steam heat energy and high-quality hot water.And in the existing industrial production, all less than well receiving energy equipment, still keep for many years the conventionally form discharging for these two kinds of common equipments, the waste of a large amount of heat energy is just inevitable.
The utility model content
Main purpose of the present utility model is to overcome the deficiencies in the prior art, and a kind of heat-energy recovering apparatus of high pressure exhaust steam is provided.
To achieve these goals, technical solution of the present utility model provides a kind of heat-energy recovering apparatus of high pressure exhaust steam, comprise that high pressure exhaust steam supercharging utilizes system, the low pressure exhaust steam separates and utilizes system, low pressure exhaust steam absorption and deaerating type of cycles and central intelligent control system, described central intelligent control system utilizes system with described high pressure exhaust steam supercharging respectively, the low pressure exhaust steam separates and utilizes system to link to each other with low pressure exhaust steam absorption and deaerating type of cycles, and described low pressure exhaust steam separates and utilizes system to utilize system to link to each other with low pressure exhaust steam absorption and deaerating type of cycles with described high pressure exhaust steam supercharging respectively;
Described high pressure exhaust steam supercharging utilizes system to comprise the first container casing, high pressure exhaust steam outlet, high pressure exhaust steam injection booster, periodical blowdown water water inlet, continuous blowdown water water inlet, high temperature sewage outlet and high pressure injection steam inlet control valve group, described periodical blowdown water water inlet, continuous blowdown water water inlet, high pressure exhaust steam outlet and high temperature sewage outlet link to each other with described the first container casing respectively, and described high pressure exhaust steam is sprayed booster and linked to each other with high pressure injection steam inlet control valve group with described high pressure exhaust steam outlet respectively;
Described low pressure exhaust steam separates and utilizes system to comprise second container housing, high temperature sewage inlet, preheating water inlet of desalted water, desalted water once pre-hot water outlet, low pressure exhaust steam venthole, low pressure exhaust steam Separation of Water liquid level, low pressure exhaust steam Separation of Water temperature and low pressure exhaust steam Separation of Water delivery port, and described high temperature sewage inlet, preheating water inlet of desalted water, desalted water once pre-hot water outlet, low pressure exhaust steam venthole, low pressure exhaust steam Separation of Water liquid level, low pressure exhaust steam Separation of Water temperature link to each other with described second container housing respectively with low pressure exhaust steam Separation of Water delivery port;
Described low pressure exhaust steam absorption and deaerating type of cycles comprise the 3rd container casing, oxygen outlet, low pressure exhaust steam absorption and deaerated water liquid level, low pressure exhaust steam absorption and deaerated water temperature, the deaerated water booster water pump, the outlet of supercharging deaerated water, low pressure exhaust steam mixing water water inlet, low pressure exhaust steam water jet mixer and low pressure exhaust steam are by the injection entrance, described oxygen outlet, low pressure exhaust steam absorption and deaerated water liquid level, low pressure exhaust steam absorption and deaerated water temperature, the deaerated water booster water pump links to each other with described the 3rd container casing respectively with low pressure exhaust steam mixing water water inlet, described low pressure exhaust steam water jet mixer is linked to each other by the injection entrance with the low pressure exhaust steam with described low pressure exhaust steam mixing water water inlet respectively, and described deaerated water booster water pump links to each other with described supercharging deaerated water outlet.
Further, described central intelligent control system links to each other with the deaerated water booster water pump with described high pressure injection steam inlet control valve group, low pressure exhaust steam Separation of Water liquid level, low pressure exhaust steam Separation of Water temperature, low pressure exhaust steam absorption and deaerated water liquid level, low pressure exhaust steam absorption and deaerated water temperature respectively.
Further, described desalted water once pre-hot water outlet link to each other with described low pressure exhaust steam water jet mixer by high pressure desalination injection water water inlet.
Further, described low pressure exhaust steam is linked to each other with described low pressure exhaust steam venthole by the injection entrance.
Further, described high temperature sewage outlet links to each other with described high temperature sewage inlet.
Further, described deaerated water booster water pump is two
Adopt technique scheme, the beneficial effects of the utility model are:
The heat-energy recovering apparatus of high pressure exhaust steam of the present utility model can move automatically, exhaust steam water temperature Comprehensive Control is moved, the draining supercharging moves automatically, the deoxygenation deoxygenation moves automatically, this device not only reclaims exhaust steam, reclaim sewage heat energy, reclaim the low pressure exhaust steam can realize exhaust steam and hot water deoxygenation function simultaneously, deaerating effect can satisfy middle low-pressure boiler water quality water inlet standard, can realize a covering device multiple efficacies in one, reduce and drop into.
Description of drawings
Fig. 1 is the structural representation of the heat-energy recovering apparatus of a kind of high pressure exhaust steam of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
The structural representation of the heat-energy recovering apparatus of high pressure exhaust steam of the present utility model as shown in Figure 1, comprise that high pressure exhaust steam supercharging utilizes system 1, low pressure exhaust steam separation and utilizes system 2, low pressure exhaust steam absorption and deaerating type of cycles 3 and central intelligent control system 4, described central intelligent control system 4 utilizes system 1, low pressure exhaust steam to separate with described high pressure exhaust steam supercharging respectively and utilizes system 2 to link to each other 3 with low pressure exhaust steam absorption and deaerating type of cycles, and described low pressure exhaust steam separates and utilizes system 2 to utilize system 1 to link to each other with low pressure exhaust steam absorption and deaerating type of cycles 3 with described high pressure exhaust steam supercharging respectively;
Described high pressure exhaust steam supercharging utilizes system 1 to comprise the first container casing, high pressure exhaust steam outlet 13, booster 11 is sprayed in the high pressure exhaust steam, periodical blowdown water water inlet 14, continuous blowdown water water inlet 15, high temperature sewage outlet 16 and high pressure injection steam inlet control valve group 10, described periodical blowdown water water inlet 14, continuous blowdown water water inlet 15, high pressure exhaust steam outlet 13 links to each other with described the first container casing respectively with high temperature sewage outlet 16, and described high pressure exhaust steam is sprayed booster 11 and exported 13 with described high pressure exhaust steam respectively and link to each other with high pressure injection steam inlet control valve group 10;
Described low pressure exhaust steam separates and utilizes system 2 to comprise the second container housing, high temperature sewage inlet 21, preheating water inlet 23 of desalted water, desalted water is pre-hot water outlet 22 once, low pressure exhaust steam venthole 20, low pressure exhaust steam Separation of Water liquid level 24, low pressure exhaust steam Separation of Water temperature 25 and low pressure exhaust steam Separation of Water delivery port 26, described high temperature sewage inlet 21, preheating water inlet 23 of desalted water, desalted water is pre-hot water outlet 22 once, low pressure exhaust steam venthole 20, low pressure exhaust steam Separation of Water liquid level 24, low pressure exhaust steam Separation of Water temperature 25 links to each other with described second container housing respectively with low pressure exhaust steam Separation of Water delivery port 26;
Described low pressure exhaust steam absorption and deaerating type of cycles 3 comprise the 3rd container casing, oxygen outlet 30, low pressure exhaust steam absorption and deaerated water liquid level 31, low pressure exhaust steam absorption and deaerated water temperature 32, deaerated water booster water pump 33, supercharging deaerated water outlet 34, low pressure exhaust steam mixing water water inlet 35, low pressure exhaust steam water jet mixer 36 and low pressure exhaust steam are by injection entrance 37, described oxygen outlet 30, low pressure exhaust steam absorption and deaerated water liquid level 31, low pressure exhaust steam absorption and deaerated water temperature 32, deaerated water booster water pump 33 links to each other with described the 3rd container casing respectively with low pressure exhaust steam mixing water water inlet 35, described low pressure exhaust steam water jet mixer 36 is linked to each other by injection entrance 37 with the low pressure exhaust steam with described low pressure exhaust steam mixing water water inlet 35 respectively, and described deaerated water booster water pump 33 links to each other with described supercharging deaerated water outlet 34.
Described central intelligent control system 4 links to each other with deaerated water booster water pump 33 with described high pressure injection steam inlet control valve group 10, low pressure exhaust steam Separation of Water liquid level 24, low pressure exhaust steam Separation of Water temperature 25, low pressure exhaust steam absorption and deaerated water liquid level 31, low pressure exhaust steam absorption and deaerated water temperature 32 respectively.
Described desalted water once pre-hot water outlet 22 links to each other with described low pressure exhaust steam water jet mixer 36 by high pressure desalination injection water water inlet 38.
Described low pressure exhaust steam is linked to each other with described low pressure exhaust steam venthole 20 by injection entrance 37.
Described high temperature sewage outlet 16 links to each other with described high temperature sewage inlet 21.
Described deaerated water booster water pump 33 is two
Described central intelligent control system 4 also comprises PLC central controller, frequency converter, touch-screen, low-pressure steam outlet pressure checkout gear 12 and low pressure exhaust steam Separation of Water flow control valve group 27.
The utility model is dividing potential drop as early as possible, and the steam classification utilizes, and the sewage drainage temperature can be low to moderate 30 ℃ of dischargings, and desalted water heats up in this process and deoxygenation, through the water pump pressurization, and can be directly into the boiler feed main system.Integral device adopts the skid form, and whole basis is convenient to install, transport, maintenance, debugging etc., and structure is small and exquisite.
The course of work: after sewer water inlet and townhouse sewage inlet enter sewage, discharge smoothly from boiler in order to guarantee high-pressure sewage, sewage utilizes system's 1 interior rapid carbonated drink to separate in high pressure exhaust steam supercharging, and it is rear for factory system from low-pressure steam outlet pressure checkout gear 12 to be converted into low-pressure steam after the high steam that the high temperature exhaust steam after the separation is passed through by high pressure injection steam inlet control valve group 10 mixes by high pressure exhaust steam injection booster 11; Utilize the high temperature sewage after system 1 separates to enter into the high temperature sewage inlet 21 that the low pressure exhaust steam separates and utilize system 2 from high temperature sewage outlet 16 through high pressure exhaust steam supercharging, high temperature sewage is in low pressure exhaust steam separation and utilize system's 2 interior carbonated drinks to separate, the normal temperature desalted water heat exchange that sewage after low pressure is separated enters by preheating water inlet 23 of desalted water, water temperature is down to 30 ℃ from 26 discharges of low pressure exhaust steam Separation of Water delivery port, concrete delivery flow is realized by low pressure exhaust steam Separation of Water liquid level 24 and low pressure exhaust steam Separation of Water temperature 25 co-controlling low pressure exhaust steam Separation of Water flow control valve groups 27, enters municipal wastewater treatment plant from low pressure exhaust steam Separation of Water flow control valve group 27 30 ℃ low-temperature sewage out and process; The low pressure exhaust steam is gone to low pressure exhaust steam absorption and deaerating type of cycles 3 by 20 low pressure exhaust steam ventholes, by separating from the low pressure exhaust steam and utilizing that preheating high pressure demineralized water out will be mixed to low pressure exhaust steam absorption and the deaerating type of cycles 3 from 20 low pressure exhaust steam ventholes exhaust steam injection out by 36 low pressure exhaust steam water jet mixers the system 2, mix rear water temperature by low pressure exhaust steam absorption and 32 controls of deaerated water temperature, make water temperature be issued to 104 ℃ low pressure deaerated water saturation temperature at normal pressure, substantially finish deoxygenation work, the deaerated water oxygen content can reach 0.05mmol/l, after low pressure exhaust steam absorption and the certain liquid level of deaerated water liquid level 31 arrival, start 33 deaerated water booster water pumps, deaerated water is sent into supercharging deaerated water outlet 34.
Advantage:
1, high-pressure sewage is by the mechanical energy quality, and classification is recycled;
2, gather multi-function in integral whole, recycle simultaneously high pressure exhaust steam, low pressure exhaust steam, sewage heat energy and can make the desalted water deoxygenation;
3, the recovery flexible form is various, can independent assortment for the exhaust steam of different pressure ratings and temperature grade, both can high pressure exhaust steam supercharging utilize system 1, low pressure exhaust steam absorption and deaerating type of cycles 3 to use separately, also can the low pressure exhaust steam separate and utilize system 2 and low pressure exhaust steam absorption and deaerating type of cycles 3 to be used in combination, to reach the purpose that reclaims exhaust steam heat energy under the different situations.
The heat-energy recovering apparatus of high pressure exhaust steam of the present utility model can move automatically, exhaust steam water temperature Comprehensive Control is moved, the draining supercharging moves automatically, the deoxygenation deoxygenation moves automatically, this device not only reclaims exhaust steam, reclaim sewage heat energy, reclaim the low pressure exhaust steam can realize exhaust steam and hot water deoxygenation function simultaneously, deaerating effect can satisfy middle low-pressure boiler water quality water inlet standard, can realize a covering device multiple efficacies in one, reduce and drop into.
Described only is preferred embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. the heat-energy recovering apparatus of a high pressure exhaust steam, it is characterized in that, comprise that high pressure exhaust steam supercharging utilizes system, low pressure exhaust steam separation and utilizes system, low pressure exhaust steam absorption and deaerating type of cycles and central intelligent control system, described central intelligent control system utilizes system, low pressure exhaust steam to separate with described high pressure exhaust steam supercharging respectively and utilizes system to link to each other with low pressure exhaust steam absorption and deaerating type of cycles, and described low pressure exhaust steam separates and utilizes system to utilize system to link to each other with low pressure exhaust steam absorption and deaerating type of cycles with described high pressure exhaust steam supercharging respectively;
Described high pressure exhaust steam supercharging utilizes system to comprise the first container casing, high pressure exhaust steam outlet, high pressure exhaust steam injection booster, periodical blowdown water water inlet, continuous blowdown water water inlet, high temperature sewage outlet and high pressure injection steam inlet control valve group, described periodical blowdown water water inlet, continuous blowdown water water inlet, high pressure exhaust steam outlet and high temperature sewage outlet link to each other with described the first container casing respectively, and described high pressure exhaust steam is sprayed booster and linked to each other with high pressure injection steam inlet control valve group with described high pressure exhaust steam outlet respectively;
Described low pressure exhaust steam separates and utilizes system to comprise second container housing, high temperature sewage inlet, preheating water inlet of desalted water, desalted water once pre-hot water outlet, low pressure exhaust steam venthole, low pressure exhaust steam Separation of Water liquid level, low pressure exhaust steam Separation of Water temperature and low pressure exhaust steam Separation of Water delivery port, and described high temperature sewage inlet, preheating water inlet of desalted water, desalted water once pre-hot water outlet, low pressure exhaust steam venthole, low pressure exhaust steam Separation of Water liquid level, low pressure exhaust steam Separation of Water temperature link to each other with described second container housing respectively with low pressure exhaust steam Separation of Water delivery port;
Described low pressure exhaust steam absorption and deaerating type of cycles comprise the 3rd container casing, oxygen outlet, low pressure exhaust steam absorption and deaerated water liquid level, low pressure exhaust steam absorption and deaerated water temperature, the deaerated water booster water pump, the outlet of supercharging deaerated water, low pressure exhaust steam mixing water water inlet, low pressure exhaust steam water jet mixer and low pressure exhaust steam are by the injection entrance, described oxygen outlet, low pressure exhaust steam absorption and deaerated water liquid level, low pressure exhaust steam absorption and deaerated water temperature, the deaerated water booster water pump links to each other with described the 3rd container casing respectively with low pressure exhaust steam mixing water water inlet, described low pressure exhaust steam water jet mixer is linked to each other by the injection entrance with the low pressure exhaust steam with described low pressure exhaust steam mixing water water inlet respectively, and described deaerated water booster water pump links to each other with described supercharging deaerated water outlet.
2. the heat-energy recovering apparatus of high pressure exhaust steam according to claim 1, it is characterized in that described central intelligent control system links to each other with the deaerated water booster water pump with described high pressure injection steam inlet control valve group, low pressure exhaust steam Separation of Water liquid level, low pressure exhaust steam Separation of Water temperature, low pressure exhaust steam absorption and deaerated water liquid level, low pressure exhaust steam absorption and deaerated water temperature respectively.
3. the heat-energy recovering apparatus of high pressure exhaust steam according to claim 1 is characterized in that, described desalted water once pre-hot water outlet links to each other with described low pressure exhaust steam water jet mixer by high pressure desalination injection water water inlet.
4. the heat-energy recovering apparatus of high pressure exhaust steam according to claim 1 is characterized in that, described low pressure exhaust steam is linked to each other with described low pressure exhaust steam venthole by the injection entrance.
5. the heat-energy recovering apparatus of high pressure exhaust steam according to claim 1 is characterized in that, described high temperature sewage outlet links to each other with described high temperature sewage inlet.
6. the heat-energy recovering apparatus of high pressure exhaust steam according to claim 1 is characterized in that, described deaerated water booster water pump is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220406017 CN202747324U (en) | 2012-08-16 | 2012-08-16 | Heat energy recovery device for high-pressure dead steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220406017 CN202747324U (en) | 2012-08-16 | 2012-08-16 | Heat energy recovery device for high-pressure dead steam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202747324U true CN202747324U (en) | 2013-02-20 |
Family
ID=47706714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220406017 Expired - Lifetime CN202747324U (en) | 2012-08-16 | 2012-08-16 | Heat energy recovery device for high-pressure dead steam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202747324U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836362A (en) * | 2019-10-16 | 2020-02-25 | 兖矿国宏化工有限责任公司 | Boiler blow-off recycling method and device |
| CN112432150A (en) * | 2020-12-18 | 2021-03-02 | 天津大学 | Adjustable ejector system applied to ethanolamine tower reboiler |
| CN114484408A (en) * | 2022-03-11 | 2022-05-13 | 西安西热锅炉环保工程有限公司 | Control system and method for mixed type dead steam recoverer of thermal power plant |
-
2012
- 2012-08-16 CN CN 201220406017 patent/CN202747324U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836362A (en) * | 2019-10-16 | 2020-02-25 | 兖矿国宏化工有限责任公司 | Boiler blow-off recycling method and device |
| CN112432150A (en) * | 2020-12-18 | 2021-03-02 | 天津大学 | Adjustable ejector system applied to ethanolamine tower reboiler |
| CN114484408A (en) * | 2022-03-11 | 2022-05-13 | 西安西热锅炉环保工程有限公司 | Control system and method for mixed type dead steam recoverer of thermal power plant |
| CN114484408B (en) * | 2022-03-11 | 2024-01-19 | 西安西热锅炉环保工程有限公司 | Control system and method for mixed type exhaust steam recoverer of thermal power plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203131794U (en) | Highly efficient system for recycling heat energy and water resource of sewage continuously discharged from boiler | |
| CN201634539U (en) | Treatment system for reclaiming incision waste water into ultrapure water in semiconductor industry | |
| CN202747324U (en) | Heat energy recovery device for high-pressure dead steam | |
| CN102557315A (en) | Process and system for treating gasified grey water | |
| CN202777882U (en) | Combination analytic tower for methane purification | |
| CN101759272B (en) | Supercritical water oxidized organic wastewater treating system | |
| CN102849889B (en) | System and method for treating phosphorus-containing wastewater by means of high-temperature and high-pressure microwave materialization | |
| CN203469506U (en) | Device for recycling waste heat of steam condensate of vacuum flash tank | |
| CN106277412A (en) | Integral type mineral processing waster water technical finesse equipment | |
| CN102935294A (en) | Continuous still standing separation and purification device and method for butanol and water mixed liquor | |
| CN203429005U (en) | Device for recycling catalysts and process water from PTA (Pure Terephthalic Acid) refined mother solution | |
| CN202089794U (en) | Seawater desalinization system for recycling material water | |
| CN201825774U (en) | Automatic defoaming device for sewage treatment biochemistry pool | |
| CN100448502C (en) | Recovery and utilization method for acidic water of hydrocarbon steam conversion hydrogen production plant | |
| CN203569043U (en) | Purifying plant for tire oil | |
| CN103961966A (en) | System for solving ultrahigh gas temperature of dynamic wave furnace of waste acid recycling device | |
| CN204787908U (en) | From moisturizing cooling tower device that disinfects | |
| CN203021485U (en) | System for continuously producing ethyl butyrate | |
| CN217297348U (en) | Organic waste liquid separation and purification device | |
| CN204073795U (en) | Gas-phase alcohol recovery system in expelling water tail gas | |
| CN202156950U (en) | Adjusting tank for EPS (Expandable Polystyrene) sewage treatment | |
| CN203558989U (en) | Extraction system for polyoxymethylene dimethyl ether preparation device | |
| CN202705142U (en) | Boiling wastewater treatment device | |
| CN203668038U (en) | Wastewater refining device of styrene-butadiene rubber monomer recovering system | |
| CN207596507U (en) | A kind of device for producing hydrogen drum blowdown wastewater ocean disposal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |