CN202751936U - Zero-gas-consumption combined type dryer - Google Patents
Zero-gas-consumption combined type dryer Download PDFInfo
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- CN202751936U CN202751936U CN 201220305141 CN201220305141U CN202751936U CN 202751936 U CN202751936 U CN 202751936U CN 201220305141 CN201220305141 CN 201220305141 CN 201220305141 U CN201220305141 U CN 201220305141U CN 202751936 U CN202751936 U CN 202751936U
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Abstract
The utility model relates to a zero-gas-consumption combined type dryer, and aims at providing a combined type dryer which does not consume any gas. The zero-gas-consumption combined type dryer comprises a freeze-drying device and an adsorption drying device, wherein the freeze-drying device and the adsorption drying device are in series connection. The zero-gas-consumption combined type dryer has the advantages that the dew point of gas discharge the zero-gas-consumption combined type dryer can reach below minus 40 degrees centigrade, energy consumption can be lowered, and the zero-gas-consumption combined type dryer is suitable for popularization and application.
Description
Technical field
The utility model relates to a kind of drying machine, relates in particular to a kind of zero gas consumption combination type drying machines.
Background technology
Compressed air is carried out drying process, usually adopt freezing type drying system or absorbed type drying system.
Chinese patent notification number CN201776069U discloses a kind of freeze drying plant, comprise casing and refrigeration pipe, this casing is provided with compressed air inlet, compressed air outlet, casing is built-in with preposition water-cooled forecooler, the precooling regenerator, the plate-fin heat exchanger that evaporimeter and moisture trap integrate, compressed air inlet successively with the preposition water-cooled forecoolers of four unifications in the plate-fin heat exchangers, the precooling regenerator, evaporimeter, moisture trap is connected, compressed air outlet is communicated with the precooling regenerator, the refrigeration compressor exhaust outlet successively with water-cooled condenser, oil water separator, device for drying and filtering, evaporimeter in the plate-fin heat exchanger, the refrigeration compressor air suction mouth is connected.The dew point of giving vent to anger of this freeze drying plant cannot reach subzero.
Chinese patent notification number CN201470290U discloses the hot reproduction adsorption type drying machine of a kind of air blast, comprise left and right sides absorbing cylinder, admission line, left and right sides air inlet branch road, left and right sides branch road air intake control valve, outlet pipe, about the branch road of giving vent to anger, left and right sides branch road leaving air control valve, be respectively equipped with left and right sides exhaust-valve on the left and right sides air inlet branch road, the left and right sides regeneration gas that is provided with mutual series connection between the left and right sides air inlet branch road is discharged control valve, about the left and right sides regeneration gas input control valve of giving vent to anger and being provided with mutual series connection between the branch road, left and right sides regeneration gas is discharged between the pipeline between control valve and the left and right sides regeneration gas input control valve and is linked to each other with cold blowing gas system with an atmosphere regeneration gas.The dew point of giving vent to anger of the hot reproduction adsorption type drying machine of this air blast is low, can reach below negative 40 degree, and shortcoming is that the Regenerated energy loss-rate is higher.
The utility model content
The purpose of this utility model is to provide a kind of zero gas consumption combination type drying machines, cannot reach subzero or the higher problem of Regenerated energy loss-rate to solve the dew point of giving vent to anger that exists in the background technology.
To achieve these goals, the technical solution of the utility model is: a kind of zero gas consumption combination type drying machines, comprise freeze drying plant and sorption drying device, and described freeze drying plant is connected with sorption drying device.The mentality of designing of this technical scheme is: freeze drying plant and the air blast heat regeneration adsorption mentioned in the background technology are together in series, when compressed air enters the adsorptive drier depth drying after the freeze drying plant preliminary treatment, the air-intake load of this adsorptive drier has significantly reduction, energy consumption required when corresponding adsorptive drier is regenerated just largely reduces (major embodiment is the electric heater capacity reduction or shortens heat time heating time), therefore the dew point of giving vent to anger that is somebody's turn to do zero gas consumption combination type drying machines can arrive below negative 40 degree, and capable of reducing energy consumption.
As preferably, described freeze drying plant comprises air intake, three-in-one shell and tube exchanger and air outlet slit, and described three-in-one shell and tube exchanger comprises forecooler, evaporimeter and vapour liquid separator, and described freeze drying plant has with underpass:
A, the air intake that is linked in sequence, forecooler shell side, evaporimeter shell side, vapour liquid separator, forecooler tube side and air outlet slit;
B, the evaporimeter tube side, vaporizer, compressor, oil eliminator, condenser, the device for drying and filtering that are linked in sequence.
As preferably, described sorption drying device comprise admission line, left and right sides air inlet branch road, left and right sides branch road air intake control valve, left and right sides absorbing cylinder, about give vent to anger branch road, left and right sides branch road leaving air control valve, outlet pipe, the left and right sides regeneration gas that is provided with series connection between the described left and right sides air inlet branch road is discharged control valve, about the left and right sides regeneration gas input control valve of giving vent to anger and being provided with series connection between the branch road, left and right sides regeneration gas is discharged between the pipeline between control valve and the left and right sides regeneration gas input control valve and is linked to each other with cold blowing gas system with an atmosphere regeneration gas, and this system comprises with underpass:
C, the air inlet that is linked in sequence, air blast, valve two, heater, a left side or right regeneration gas input control valve, a left side or right absorbing cylinder, a left side or right regeneration gas are discharged control valve, valve three;
D, the closed-loop path that is linked in sequence: cooler, air blast, valve four, left or right regeneration gas are discharged control valve, a left side or right absorbing cylinder, a left side or right regeneration gas input control valve, valve one.
As preferably, the pipeline that described left and right sides regeneration gas is discharged between the control valve is provided with the regeneration gas exhaust-valve.
As preferably, described regeneration gas exhaust-valve is connected with emptying muffler.
As preferably, described air inlet comprises intake valve and admission air silencer.
As preferably, be provided with heating power expansion valve between the import of described device for drying and filtering and evaporimeter.
As preferably, be provided with hot gas bypass valve between the inlet end of described condenser and the outlet side of heating power expansion valve, the temperature sense end of this hot gas bypass valve is connected to the port of export of evaporimeter.
As preferably, the inlet end of described compressor is provided with the refrigerant high pressure gauge, and the port of export of described condenser is provided with the refrigerant low-pressure meter.
As preferably, the pipeline between described refrigerant high pressure gauge and the refrigerant low-pressure meter is provided with the high-low pressure controller.
The beneficial effect of the utility model zero gas consumption combination type drying machines is: the dew point of giving vent to anger of this zero gas consumption combination type drying machines can arrive below negative 40 degree, and capable of reducing energy consumption.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model zero gas consumption combination type drying machines.
Number in the figure is respectively: 1. forecooler 2. evaporimeters 3. vapour liquid separators 4. vaporizers 5. compressors 6. oil eliminators 7. condensers 8. devices for drying and filtering 9. heating power expansion valves 10. hot gas bypass valves 11. refrigerant high pressure gauges 12. refrigerant low-pressure meters 13. high-low pressure controllers 14,15. left and right sides absorbing cylinder 16,17. left and right sides branch road air intake control valve 18,19. left and right sides branch road leaving air control valve 20,21. left and right sides regeneration gas is discharged control valve 22,23. left and right sides regeneration gas input control valves 24. admission air silencers 25. air blasts 26. valves 2 27. heaters 28. valves 3 29. coolers 30. valves 4 31. valves one 32. regeneration gas exhaust-valves 33. emptying muffler 34. intake valves 35. Pressure and Control valves.
The specific embodiment
Also by reference to the accompanying drawings the technical solution of the utility model is further described specifically below by embodiment.
Embodiment:
A kind of zero gas consumption combination type drying machines as shown in Figure 1, comprises freeze drying plant and sorption drying device, and described freeze drying plant is connected with sorption drying device.
Described freeze drying plant comprises air intake, three-in-one shell and tube exchanger and air outlet slit, and described three-in-one shell and tube exchanger comprises forecooler 1, evaporimeter 2 and vapour liquid separator 3, and described freeze drying plant has with underpass:
C, the air intake that is linked in sequence, forecooler 1 shell side, evaporimeter 2 shell sides, vapour liquid separator 3, forecooler 1 tube side and air outlet slit;
D, evaporimeter 2 tube sides, vaporizer 4, compressor 5, oil eliminator 6, condenser 7, the device for drying and filtering 8 that are linked in sequence.
Be provided with heating power expansion valve 9 between the import of described device for drying and filtering 8 and evaporimeter 2.Be provided with hot gas bypass valve 10 between the outlet side of the inlet end of described condenser 2 and heating power expansion valve 9, the temperature sense end of this hot gas bypass valve 10 is connected to the port of export of evaporimeter 2.The inlet end of described compressor 5 is provided with refrigerant high pressure gauge 11, and the port of export of described condenser 7 is provided with refrigerant low-pressure meter 12, and the pipeline between described refrigerant high pressure gauge 11 and the refrigerant low-pressure meter 12 is provided with high-low pressure controller 13.
Described sorption drying device comprises admission line, left and right sides air inlet branch road, left and right sides branch road air intake control valve 16,17, left and right sides absorbing cylinder 14,15, about the branch road of giving vent to anger, left and right sides branch road leaving air control valve 18,19, outlet pipe, the left and right sides regeneration gas that is provided with series connection between the described left and right sides air inlet branch road is discharged control valve 20,21, about the left and right sides regeneration gas input control valve 22 of giving vent to anger and being provided with series connection between the branch road, 23, left and right sides regeneration gas is discharged control valve 20,21 with left and right sides regeneration gas input control valve 22,23 between pipeline between link to each other with cold blowing gas system with an atmosphere regeneration gas, this system comprises with underpass:
C, the air inlet that is linked in sequence, air blast 25, valve 2 26, heater 27, a left side or right regeneration gas input control valve 22,23, a left side or right absorbing cylinder 14,15, left or right regeneration gas are discharged control valve 20,21, valve 3 28;
D, the closed-loop path that is linked in sequence: cooler 29, air blast 25, valve 4 30, left or right regeneration gas are discharged control valve 20,21, a left side or right absorbing cylinder 14,15, a left side or right regeneration gas input control valve 22,23, valve 1.
The pipeline that described left and right sides regeneration gas is discharged between the control valve 20,21 is provided with regeneration gas exhaust-valve 32, and regeneration gas exhaust-valve 32 is connected with emptying muffler 33.Described air inlet comprises intake valve 34 and admission air silencer 24.Give vent to anger about described and also be provided with Pressure and Control valve 35 between the branch road.
Absorbing cylinder adopts common equipment in the utility model, fills activated alumina or molecular sieve adsorption material in the absorbing cylinder.Heater adopts common equipment, is Combined electric heater, adopts Resistant heating.Air blast adopts common equipment, is the ring drums blower fan.Cooler adopts common equipment, is plate type heat exchanger, utilizes circulating water.Various by-pass valve controls can adopt butterfly valve, ball valve or check valve.Power drive can be adopted pneumatic actuation or motorized motions.Forecooler, evaporimeter and vapour liquid separator are the total forming apparatus of common three-in-one shell and tube exchanger in the lyophilization system.Compressor adopts common equipment.Condenser adopts common equipment, is shell and tube condenser, utilizes circulating water.The model scale of above-mentioned parts can design according to the dew-point temperature of compressed-air actuated flow, temperature and dried compressed air definite.
In the utility model, at first according to the corresponding relation between water saturation steam pressure and the temperature, utilize refrigerating plant to make pressure-air cooling arrive certain dew-point temperature, separate out institute's water content, by vapour liquid separator water is discharged, thereby so that compressed air obtains preliminarily dried; Then by 14,15 periodic duties of left and right sides absorbing cylinder, uninterruptedly compressed air is carried out depth drying and process.The specific works process is as follows:
At first, 45 ℃ of heat and moist compressed air is entered three-in-one shell and tube exchanger by the compressed air inlet forecooler 1 part, carry out heat exchange with cooled dose of cooled compressed air in evaporimeter 2, make 45 ℃ of compressed air temperature that enter forecooler 1 be down to 25 ℃, preliminary temperature and the water content that reduces damp and hot saturated air inlet, alleviate to a certain extent the thermic load of evaporimeter 2, and then the energy consumption of reduction complete machine, then dewater 2 ℃ the compressed air of being cooled in evaporimeter 2 separates condensate water through vapour liquid separator 3 and becomes dry compressed air and get back to forecooler 1 part, carrying out heat exchange temperature with the compressed air of 45 ℃ of high temperature rises to 35 ℃ and is gone out by compressed air outlet, thereby reduce compressed air in the relative humidity in exit, making gas pipeline can inwall not occur because relative humidity is too high gets rusty, also avoided simultaneously crossing the low pipe that occurs outer " hang and reveal " phenomenon because of outside wall temperature, improved the shopwork environment.
Then, the compressed air of the preliminary treatment that freeze drying plant is discharged enters 14,15 left and right sides periodic duties of left and right sides absorbing cylinder, continually compressed air is carried out depth drying processes.Sorption drying device specific works process is as follows:
Order one: left-hand cylinder absorption, right cylinder regeneration.
Compressed air through the freeze drying plant preliminarily dried enters into left absorbing cylinder 14 by admission line and 16 controls of left branch road air intake control valve from air intake, carries out depth drying by adsorbent, and dried compressed air is sent equipment by left branch road leaving air control valve 18; The compressed air of right absorbing cylinder 15 enters in the atmosphere by right regeneration gas discharge control valve 21, regeneration gas exhaust-valve 32, this moment, right absorbing cylinder 15 internal pressures were down to atmospheric pressure, air blast 25 is introduced ambient air by air inlet, send into heater 27 through valve 2 26 and be heated to 180 ℃, hot-air enters 15 pairs of saturated adsorption agent of right absorbing cylinder through right regeneration gas input control valve 23 to carry out entering atmosphere behind the thermal regeneration.
Order two: left-hand cylinder absorption, the blast-cold of right cylinder.
Complete when the adsorbent thermal regeneration, heater 27 cuts out, and this moment, right absorbing cylinder 15 interior temperature were still very high, and the dry moisture content poor ability of adsorbent must reduce temperature, to obtain best adsorption effect.Discharge control valve 21, right absorbing cylinder 15, right regeneration gas input control valve 23, valve 5 31 and pipeline by cooler 29, air blast 25, valve 4 30, right regeneration gas and consist of a closed-loop path, driven by air blast 25, circulation continuous is reduced to the temperature in the right absorbing cylinder 15 temperature required, and right absorbing cylinder 15 enters standby.
Order three: left and right cylinder is all pressed parallel absorption.
Open Pressure and Control valve 35, right absorbing cylinder 15 is all pressed with left absorbing cylinder 14.All press completely, left and right sides absorbing cylinder 14,15 enters parallel absorption 10 minutes.In this process, moist compressed air enters left and right sides absorbing cylinder 14,15 simultaneously, further reduces dew-point temperature.
Order four: left-hand cylinder regeneration, right cylinder absorption
Compressed air through the freeze drying plant preliminarily dried enters into right absorbing cylinder 15 by admission line and 17 controls of right branch road air intake control valve from air intake, carries out depth drying by adsorbent, and dried compressed air is sent equipment by right branch road leaving air control valve 19; The compressed air of left absorbing cylinder 14 enters in the atmosphere by left regeneration gas discharge control valve 20, regeneration gas exhaust-valve 32, this moment, left absorbing cylinder 14 internal pressures were down to atmospheric pressure, air blast 25 is introduced ambient air by air inlet, send into heater 27 through valve 2 26 and be heated to 180 ℃, hot-air enters 14 pairs of saturated adsorption agent of left absorbing cylinder through left regeneration gas input control valve 22 to carry out entering atmosphere behind the thermal regeneration.
Order five: left-hand cylinder blast-cold, right cylinder absorption.
Complete when the adsorbent thermal regeneration, heater 27 cuts out, and this moment, left absorbing cylinder 14 interior temperature were still very high, and the dry moisture content poor ability of adsorbent must reduce temperature, to obtain best adsorption effect.Discharge control valve 20, left absorbing cylinder 14, left regeneration gas input control valve 22, valve 5 31 and pipeline by cooler 29, air blast 25, valve 4 30, left regeneration gas and consist of a closed-loop path, driven by air blast 25, circulation continuous is reduced to the temperature in the left absorbing cylinder 14 temperature required, and left absorbing cylinder 14 enters standby.
Order six: left and right cylinder is all pressed parallel absorption.
Open the Pressure and Control valve, 35, right absorbing cylinder 15 is all pressed with left absorbing cylinder 14.All press completely, left and right sides absorbing cylinder 14,15 enters parallel absorption 10 minutes.In this process, moist compressed air enters left and right sides absorbing cylinder 14,15 simultaneously, further reduces dew-point temperature.
Above-mentioned described specific embodiment only is that the preferable examples explanation is done in design of the present utility model.All any modifications of making within spirit of the present utility model and principle or replenish or be equal to alternatively all should be included within the protection domain of the utility model claim.
Claims (10)
1. zero gas consumption combination type drying machines, it is characterized in that: comprise freeze drying plant and sorption drying device, described freeze drying plant is connected with sorption drying device.
2. zero gas consumption combination type drying machines according to claim 1, it is characterized in that: described freeze drying plant comprises air intake, three-in-one shell and tube exchanger and air outlet slit, described three-in-one shell and tube exchanger comprises forecooler (1), evaporimeter (2) and vapour liquid separator (3), and described freeze drying plant has with underpass:
A, the air intake that is linked in sequence, forecooler (1) shell side, evaporimeter (2) shell side, vapour liquid separator (3), forecooler (1) tube side and air outlet slit;
B, evaporimeter (2) tube side, vaporizer (4), compressor (5), oil eliminator (6), condenser (7), the device for drying and filtering (8) that are linked in sequence.
3. zero gas consumption combination type drying machines according to claim 2, it is characterized in that: described sorption drying device comprises admission line, left and right sides air inlet branch road, left and right sides branch road air intake control valve (16,17), left and right sides absorbing cylinder (14,15), about the branch road of giving vent to anger, left and right sides branch road leaving air control valve (18,19), outlet pipe, the left and right sides regeneration gas that is provided with series connection between the described left and right sides air inlet branch road is discharged control valve (20,21), about the left and right sides regeneration gas input control valve (22 of giving vent to anger and being provided with series connection between the branch road, 23), left and right sides regeneration gas is discharged control valve (20,21) with left and right sides regeneration gas input control valve (22,23) link to each other with cold blowing gas system with an atmosphere regeneration gas between the pipeline between, this system comprises with underpass:
C, the air inlet that is linked in sequence, air blast (25), valve two (26), heater (27), left or right regeneration gas input control valve (22,23), left or right absorbing cylinder (14,15), left or right regeneration gas is discharged control valve (20,21), valve three (28);
D, the closed-loop path that is linked in sequence: cooler (29), air blast (25), valve four (30), left or right regeneration gas are discharged control valve (20,21), left or right absorbing cylinder (14,15), a left side or right regeneration gas input control valve (22,23), valve one (31).
4. zero gas consumption combination type drying machines according to claim 3, it is characterized in that: the pipeline that described left and right sides regeneration gas is discharged between the control valve (20,21) is provided with regeneration gas exhaust-valve (32).
5. zero gas consumption combination type drying machines according to claim 4, it is characterized in that: described regeneration gas exhaust-valve (32) is connected with emptying muffler (33).
6. zero gas consumption combination type drying machines according to claim 5, it is characterized in that: described air inlet comprises intake valve (34) and admission air silencer (24).
7. zero gas consumption combination type drying machines according to claim 3 is characterized in that: be provided with heating power expansion valve (9) between the import of described device for drying and filtering (8) and evaporimeter (2).
8. zero gas consumption combination type drying machines according to claim 7, it is characterized in that: be provided with hot gas bypass valve (10) between the outlet side of the inlet end of described condenser (7) and heating power expansion valve (9), the temperature sense end of this hot gas bypass valve (10) is connected to the port of export of evaporimeter (2).
9. zero gas consumption combination type drying machines according to claim 8, it is characterized in that: the inlet end of described compressor (5) is provided with refrigerant high pressure gauge (11), and the port of export of described condenser (7) is provided with refrigerant low-pressure meter (12).
10. zero gas consumption combination type drying machines according to claim 9, it is characterized in that: the pipeline between described refrigerant high pressure gauge (11) and the refrigerant low-pressure meter (12) is provided with high-low pressure controller (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305141 CN202751936U (en) | 2012-06-28 | 2012-06-28 | Zero-gas-consumption combined type dryer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305141 CN202751936U (en) | 2012-06-28 | 2012-06-28 | Zero-gas-consumption combined type dryer |
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| CN202751936U true CN202751936U (en) | 2013-02-27 |
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| CN 201220305141 Expired - Fee Related CN202751936U (en) | 2012-06-28 | 2012-06-28 | Zero-gas-consumption combined type dryer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103990358A (en) * | 2014-06-05 | 2014-08-20 | 广东省肇庆化工机械厂 | Emission-free finished gas cold blowing heat regenerative drying process |
| CN108786390A (en) * | 2018-07-17 | 2018-11-13 | 中国工程物理研究院核物理与化学研究所 | Reactor plant compressed air dehumidifying device and dehumanization method |
| CN109364705A (en) * | 2018-12-03 | 2019-02-22 | 深圳市新宏达利能源技术有限公司 | Condense hot blast absorption drier |
| CN110465164A (en) * | 2019-07-24 | 2019-11-19 | 上海交通大学 | Ultra-low dew point dry air preparation facilities and method based on low pressure adsorbent |
| CN112023642A (en) * | 2020-09-15 | 2020-12-04 | 江苏科技大学 | Compressed air drying system of water spray screw air compressor and working method thereof |
-
2012
- 2012-06-28 CN CN 201220305141 patent/CN202751936U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103990358A (en) * | 2014-06-05 | 2014-08-20 | 广东省肇庆化工机械厂 | Emission-free finished gas cold blowing heat regenerative drying process |
| CN103990358B (en) * | 2014-06-05 | 2016-06-29 | 广东省肇庆化工机械厂 | A kind of blowing without discharge finished product air cooling has hot recycling drying process |
| CN108786390A (en) * | 2018-07-17 | 2018-11-13 | 中国工程物理研究院核物理与化学研究所 | Reactor plant compressed air dehumidifying device and dehumanization method |
| CN109364705A (en) * | 2018-12-03 | 2019-02-22 | 深圳市新宏达利能源技术有限公司 | Condense hot blast absorption drier |
| CN110465164A (en) * | 2019-07-24 | 2019-11-19 | 上海交通大学 | Ultra-low dew point dry air preparation facilities and method based on low pressure adsorbent |
| CN110465164B (en) * | 2019-07-24 | 2022-01-11 | 上海交通大学 | Device and method for preparing ultralow dew point dry air based on low-pressure adsorption |
| CN112023642A (en) * | 2020-09-15 | 2020-12-04 | 江苏科技大学 | Compressed air drying system of water spray screw air compressor and working method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Hangzhou City, Zhejiang province 311107 Yuhang District Renhe Street Zhang Road No. 220 Patentee after: HANGZHOU SHANLI PURIFY EQUIPMENT CORPORATION Address before: Hangzhou City, Zhejiang province 311107 Renhe Town of Yuhang District Zhang Road No. 220 Patentee before: Hangzhou Shanli Purify Equipment Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20170628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |