CN201726833U - Novel fluid ultra-high pressure processing device - Google Patents
Novel fluid ultra-high pressure processing device Download PDFInfo
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- CN201726833U CN201726833U CN201020240638XU CN201020240638U CN201726833U CN 201726833 U CN201726833 U CN 201726833U CN 201020240638X U CN201020240638X U CN 201020240638XU CN 201020240638 U CN201020240638 U CN 201020240638U CN 201726833 U CN201726833 U CN 201726833U
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- processing equipment
- pressure processing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/001—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a flexible element, e.g. diaphragm, urged by fluid pressure; Isostatic presses
- B30B11/002—Isostatic press chambers; Press stands therefor
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- Mechanical Engineering (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The utility model discloses a novel fluid ultra-high pressure processing device, which comprises a high-pressure cabin and a pressurizing liquid inlet pipe. The pressurizing liquid inlet pipe is communicated with a pressurizing bag made of soft materials in a sealing manner after being led into the high-pressure cabin; the high-pressure cabin is provided with a liquid inlet and a discharge outlet which are respectively connected with a raw liquid inlet pipe and a discharge pipe in a sealing manner; the discharge outlet is arranged at the bottom of the high-pressure cabin; and a sterile air inlet pipe and an air exhaust pipe are connected to the top of the high-pressure cabin in a sealing manner. By the aid of the ingenious arrangement of the high-pressure cabin, product inlet and outlet pipelines, the sterile air inlet pipe and the air exhaust pipe, the device can realize automated continuous operation completely without manual loading and unloading, substantially improve the production efficiency of fluid ultra-high pressure processing, greatly shorten processing cycle and greatly reduce labor intensity. Simultaneously, the utility model further discloses a device set using the novel fluid ultra-high pressure processing device, and the device set has the advantages of reasonable structural design, high work efficiency and capability of more efficiently adapting to preprocessing devices and post-packaging devices of continuous production.
Description
Technical field
The utility model relates to a kind of food processing equipment, relates in particular to a kind of ultra-high-pressure processing equipment of fluid.
Background technology
The HIGH PRESSURE TREATMENT process is a pure physical process, have moment compression, sterilization evenly, handling safety and the low characteristics of power consumption, help ecological environmental protection; The super-pressure process technology is except that advantages such as energy savings, minimizing pollution, and its prime advantage is that this technology is the processing method of a kind of energy natural color of extraordinary maintenance food and nutritional labeling.At present there have been many enterprises in the whole world producing ultra-high-pressure processing equipment, as the Avrue company of the U.S., and Hispanic NC Hyperbaric company, high pressure science and technology limited Company and the Tianjin vast biotechnology of China's Tyson Co., Ltd are sent out by the packet header section of China.In the ultra-high-pressure processing equipment of all industrial uses in the world at present, super-pressure processing all is an independently batch production technology, and all converted products comprise that fluid food all wants first product is packed, and reinstall ultrahigh-pressure sterilization equipment and carry out sterilization.The mode of production of this batch of production has some shortcomings, such as production capacity is smaller, needs more manually to carry out in process loading and unloading.For some fluid foods, as milk, beverage wants to have a bigger output, and the ultra-high-pressure processing equipment by in the market is difficult to realize.
Batch changing production is the present processing method that ultra-high-pressure processing equipment adopted, its processing characteristic is that product must be packed earlier, be placed into ultra-high-pressure processing equipment then, pressurize after closing hatch door, pressurization finishes the back pressure release opens the door product is taken out, and then the production of pressurizeing of the product of putting into next batch.Whole process of production must be by manually constantly carrying out loading/unloading products, serialization production relatively, this processing mode production efficiency is low, because it is artificial and operating cost that produce is higher relatively, owing to be soaked in the water in the product pressure process, so the packaging material to product also have higher requirements, must waterproof and have certain elasticity.
Simultaneously when taking present ultra-high-pressure processing equipment to carry out batch production, product packing earlier reinstalls the high pressure Tibetan, the use utilization rate of hyperbaric chamber volume may reach 100% never in this case, and enter for more dress product, the workman of loading and unloading must spend more time to come converted products is arranged, and this has also reduced production efficiency virtually.
In order to realize automated production, the continuous processing scheme of liquid is a problem that must solve, also there are indivedual companies to adopt technical scheme to do trial in the prior art, but, can't or rationally process food safely by its design assembling process equipment because of all existing the technological deficiency that some are difficult to solution in its mentioned technology or the device structure.
The utility model content
Technical problem to be solved in the utility model provides a kind of more reasonable, fluid super-pressure continuous processing equipment more efficiently.
The utility model is that to solve the problems of the technologies described above the technical scheme of employing as follows:
A kind of novel fluid ultra-high-pressure processing equipment, comprise an airtight hyperbaric chamber and a pressurized fluid feed tube, the pressurized fluid feed tube is provided with pressure retaining valve, the pressurized fluid feed tube was provided with high-pressure hydraulic pump before pressure retaining valve, described pressurized fluid feed tube is communicated with the pressurization bag sealing of a soft material after feeding hyperbaric chamber, and pressurized fluid feed tube and hyperbaric chamber are tightly connected; Hyperbaric chamber is provided with inlet, discharging opening, be tightly connected with raw material feed tube and discharge nozzle respectively, the raw material feed tube is provided with inlet valve, discharge nozzle is provided with first bleeder valve, and discharging opening is arranged at the hyperbaric chamber bottom, also is provided with feed pump before inlet valve; Be connected with filtrated air air inlet pipe and blast pipe at described hyperbaric chamber top seal, the filtrated air air inlet pipe is provided with intake valve, and blast pipe is provided with air bleeding valve.
Before feed pump, preferably be communicated with on the described raw material feed tube and be provided with a storing surge tank.
Preferably also be provided with one tunnel cleaning arm in first bleeder valve of the discharge nozzle outside, the cleaning arm is provided with the cleaning valve, on discharge nozzle, the arranged outside of cleaning arm has second bleeder valve.
Novel fluid ultra-high-pressure processing equipment of the present utility model has changed the functional space in prior art mesohigh cabin dexterously, with the pressue device body design is the soft material pressurization bag of the variable volume of hyperbaric chamber inside, jumbo hyperbaric chamber is then as the appearance storehouse of converted products, pressurization bag is compressed in the injection of pressurization first being processed owing to fluid to be processed, its volume accounts for the hyperbaric chamber volume by compression hardly, that is to say, the hyperbaric chamber carrying treats that the space availability ratio of pressure fluid can be near 100%, pressurization finishes the interior product of back hyperbaric chamber and can all be drawn out of, and then having reached the maximization of utilization rate of equipment and installations, this can not accomplish in the prior art.Simultaneously, because the ingenious setting of this ultra-high-pressure processing equipment of fluid hyperbaric chamber, product inlet and outlet piping, filtrated air air inlet pipe and blast pipe, this equipment of making can not need the automation continued operation of artificial loading and unloading fully, improved the production efficiency of fluid super-pressure processing significantly, process-cycle shortens greatly, and labour intensity reduces greatly.
The extra-high tension unit problem of loading/unloading products that when the Working liquids product, need open a position before the utility model has thoroughly solved, the utility model can be realized the continuous operation of liquid processing, can realize that pipeline is connected with the pre-processing device and the packaging facilities of present liquid food production line, the raw material feed tube is connected with pre-processing device, discharge nozzle by follow-up food with aseptic pump and aseptic jar with pack filling apparatus and be connected.So just ultra-high-pressure processing equipment of fluid of the present utility model can be incorporated present liquid food serialization and produce, become a part in full-automatic, the high efficiency production line.
When equipment of the present utility model uses, filtrated air air inlet pipe and filtrated air feeder are tightly connected, with regard to having solved the problem that forms negative pressure of vacuum after process finishing when product is discharged dexterously, have so just solved the problem that product delivers from godown like this.And entering the pressurize cabin, filtrated air can guarantee that air can not bring secondary pollution after entering hyperbaric chamber.The utility model adopts in the hyperbaric chamber and establishes hydraulic pressing unit in addition in addition, and extra supercharging equipment volume increases not quite when making the large volume process equipment, and cost also reduces greatly.
Described storing surge tank is in order to prevent that occurring the raw material that process time, fluctuation was brought in the super-pressure process piles up as the buffering storing space between pre-processing device and the hyperbaric chamber.Super-pressure processing may produce the fluctuation of pressure rising time in to the process of boosting of pressure pan, it is former because gas content difference or hydraulic press work fluctuation in the material liquid.A small amount of fluctuation of pressing time may cause the small pile-up of preceding working procedure product, increases a surge tank and can solve raw material accumulation problem.
And novel fluid ultra-high-pressure processing equipment of the present utility model is provided with one tunnel cleaning arm and is for more easily, finishes the operation of cleaning channels more up hill and dale at the discharge nozzle place.
Another technical problem to be solved in the utility model just provides a kind of reasonable in design, the higher fluid super-pressure of operating efficiency continuous processing equipment group simultaneously.
For the technical scheme that solves the problems of the technologies described above employing as follows:
A kind of ultra-high-pressure processing equipment of fluid group of using aforementioned novel fluid ultra-high-pressure processing equipment, this ultra-high-pressure processing equipment group comprises at least 2 aforesaid ultra-high-pressure processing equipment of fluid that are arranged in parallel, the raw material feed tube of each ultra-high-pressure processing equipment of fluid is merged into raw material feed liquor house steward, each discharge nozzle is also merged into discharge header pipe, and feed pump is arranged on the raw material feed liquor house steward.
Described raw material feed liquor house steward goes up preferably to be communicated with before feed pump and is provided with a storing surge tank.
Preferably also be provided with one tunnel cleaning arm in first bleeder valve of described each the ultra-high-pressure processing equipment of fluid discharge nozzle outside, the cleaning arm is provided with the cleaning valve, on discharge nozzle, the arranged outside of cleaning arm has second bleeder valve.
This ultra-high-pressure processing equipment of fluid group can comprise 2 to 5 ultra-high-pressure processing equipment of fluid groups.
Because there is the charging phase in this ultra-high-pressure processing equipment of fluid in process, boost the phase, hold period, rush down and press and the discharge phase, so, adapt to pre-processing device and back packaging facilities that serialization is produced more efficiently in order to enhance productivity fully, can be with the use in parallel of many these ultra-high-pressure processing equipment of fluid, be connected production with pre-processing device and back packaging facilities, an equipment enters pressurize during operating period so therein, and miscellaneous equipment can pressurize or discharge.Rational allocation, can guarantee that the ultra-high-pressure processing equipment of fluid group continuity ground that is arranged in parallel derives process fluid after being provided with, to adapt to follow-up quantity-produced packaging facilities, its production efficiency will further significantly promote.
Equipment processed milk with a 3 * 300L is an example, each hyperbaric chamber production cycle is about 10 minutes, every machine overall throughput is 3X300X60/10=5400L/ hour, and do not need extra increase any artificial, increase output if desired, only need adjust hyperbaric chamber quantity and volume according to actual needs.
Description of drawings
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated, wherein:
Fig. 1 is the structural representation of ultra-high-pressure processing equipment of fluid of the present utility model;
Fig. 2 is the structural representation of ultra-high-pressure processing equipment of fluid group of the present utility model.
1, hyperbaric chamber 2, pressurized fluid feed tube 201, pressure retaining valve
202, high-pressure hydraulic pump 3, pressurization bag 4, raw material feed tube
401, inlet valve 402, feed pump 5, discharge nozzle
501, first bleeder valve 502, second bleeder valve 6, filtrated air air inlet pipe
601, intake valve 7, blast pipe 701, air bleeding valve
8, storing surge tank 9, cleaning arm 901, cleaning valve
The specific embodiment
Fig. 1 shows a kind of novel fluid ultra-high-pressure processing equipment, comprise an airtight hyperbaric chamber 1 and a pressurized fluid feed tube 2, pressurized fluid feed tube 2 is provided with pressure retaining valve 201, pressurized fluid feed tube 2 was provided with high-pressure hydraulic pump 202 before pressure retaining valve 201, described pressurized fluid feed tube 2 is communicated with pressurization bag 3 sealings of a soft material after feeding hyperbaric chamber, and pressurized fluid feed tube 2 is tightly connected with hyperbaric chamber 1; Inject liquid (water) by high-pressure hydraulic pump 202 toward pressurization bag 3 mesohighs and can reach the purpose of pressurizeing to hyperbaric chamber 1.
The withstand voltage design of described hyperbaric chamber reaches 1000MPa, and its structure is the cab body of centre and the end cap that two ends removably are tightly connected,
The volume of pressurization bag 3 should be the 15-25% of hyperbaric chamber 1 volume, the goal pressure that this volume guarantees as required and deciding.Its material is silica gel (or similar) material of food with safety, and this material should have food security, and is withstand voltage, and heatproof has certain flexible characteristic.Pressurization bag 3 also can be selected other soft materials for use, as long as can produce tangible Volume Changes in charging and pressure process, thereby the function that reaches the high pressure pressurization gets final product.Simultaneously because the pressurization bag 3 of soft material can flatten pressurization bag when making the raw material charging, the space utilization rate of hyperbaric chamber just can approach 100% like this.
Before inlet valve 401, also be communicated with on the described raw material feed tube 4 and be provided with a storing surge tank 8.Can be equipped with agitator in the storing liquid surge tank 8, temperature regulating device also can be provided with prior-warning device in the surge tank simultaneously, will start prior-warning device when the surge tank liquid level surpasses setting value, stops or slowing down the operation of leading portion operation.
Discharge nozzle the bleeder valve arranged outside have one the tunnel cleaning arm 9, the cleaning arm 9 be provided with the cleaning valve 901, on discharge nozzle 5, the cleaning arm 9 arranged outside second bleeder valve 502 is arranged.When pipeline, equipment cleaning, maintenance, just can finish the operation of cleaning channels more easily, more up hill and dale like this.
During use, described raw material feed tube 4 is connected with pre-processing device, discharge nozzle 5 by follow-up food with aseptic pump and aseptic jar with pack filling apparatus and be connected.Ultra-high-pressure processing equipment of fluid of the present utility model can be incorporated present liquid food serialization like this and produce, become a part in full-automatic, the high efficiency production line.
During production, by feed pump 402 drive treat pressure fluid from raw material feed tube 4 through storing surge tank 8, inlet valve 401, enter hyperbaric chamber 1, first bleeder valve 501 on this moment discharge nozzle 5 cuts out, the intake valve 601 on the filtrated air air inlet pipe 6 also cuts out; Air bleeding valve on the blast pipe 7 701 is opened simultaneously, and the pressure retaining valve 201 on the pressurized fluid feed tube 2 is opened; Treat that pressure fluid will fill with hyperbaric chamber 1, and pressurization bag 3 is flattened.Close inlet valve 401 and air bleeding valve 701 then, open high-pressure hydraulic pump 202, by injecting pressurized fluid to pressurization bag 3 inner high voltages (can be water, also can be other liquid), pressurization bag 3 expands rapidly, stores in the hyperbaric chamber 1 and treats that the volume of pressure fluid is subjected to high pressure compressed, and fluid promptly begins the high pressure sterilization process, internal pressure reaches the value of setting when the cabin, can close pressure retaining valve 201 and enter high pressure pressurize sterilization.
After pressure maintaining period is finished, open bleeder valve 5, finished product flows out hyperbaric chamber by follow-up food with aseptic pump suction, open filtrated air air inlet pipe 6 intake valves 601 simultaneously, and the other end of filtrated air air inlet pipe 6 and filtrated air feeder are tightly connected, the fluid finished product in the hyperbaric chamber 1 in aseptic pump aspiration procedure, charges into continuously through air inlet pipe 6, so can basic 100% extraction enter the subsequent packages flow process owing to filtrated air.
After discharging is finished, close first bleeder valve 501, open pressure retaining valve 201, intake valve 601, open inlet valve 401, pressure retaining valve 201, air bleeding valve 701, enter the charging processing program of next circulation.
Above-mentioned storing surge tank 8 is in order to reach more reasonable between pre-processing device and the hyperbaric chamber 1, to be connected easily, as the buffering storing space between pre-processing device and the hyperbaric chamber 1, can prevent to occur in the super-pressure process raw material that process time, fluctuation was brought and pile up.But also can save the storing surge tank 8 direct raw material feed tubes 4 that come out by feed pump 402 for the equipment under some environment is connected with pre-processing device.
Same, the setting of cleaning arm 9, cleaning valve 901, second bleeder valve 502 also is for more easily, finishes the operation of cleaning channels more up hill and dale, under some production environment, in order to save the setting that cost also can save cleaning arm 9, cleaning valve 901, second bleeder valve 502, the discharge nozzle 5 that comes out by first bleeder valve 501 directly with follow-up food with aseptic pump and aseptic jar with pack filling apparatus and be connected.
Simultaneously, because this ultra-high-pressure processing equipment of fluid exists in process and adds the duration and inject processed product and export converted products operating period, so in order to enhance productivity fully, adapt to pre-processing device and back packaging facilities that serialization is produced more efficiently, we are with the use in parallel of 3 these ultra-high-pressure processing equipment of fluid, be connected production with pre-processing device and back packaging facilities, an equipment enters pressurize during operating period so therein, and miscellaneous equipment can pressurize or discharge.Rational allocation, can guarantee that the ultra-high-pressure processing equipment of fluid group continuity ground that is arranged in parallel derives process fluid after being provided with, to adapt to follow-up quantity-produced packaging facilities.
Use 3 above-mentioned ultra-high-pressure processing equipment of fluid to be arranged in parallel, the raw material feed tube 4 of each ultra-high-pressure processing equipment of fluid is merged into raw material feed liquor house steward, each discharge nozzle 5 is also merged into discharge header pipe, storing surge tank 8 and feed pump 402 all are arranged on the raw material feed liquor house steward, storing surge tank 8 is arranged at before the feed pump 402, and storing surge tank 8 is connected with pre-processing device by raw material feed liquor house steward; Discharge header pipe and follow-up food with aseptic pump with aseptic jar with pack filling apparatus and be connected.
Certainly the number that is arranged in parallel according to its ultra-high-pressure processing equipment of fluid of difference of process fluid, machined parameters etc. also can be 2,4,5,6 etc., outputs in the subsequent packages equipment as long as can guarantee that processed finished products is able to continuously.
In produce using, according to the manufacturing parameter rational allocation, the pressurization processing after the charging respectively of three process equipments, first finish after discharging, continue charging processing after the discharging; First finish discharging after, open second bleeder valve separately, can enter second discharging at once, after discharging was finished, second was continued charging processing; Open the 3rd bleeder valve then separately, the 3rd beginning discharging; After three dischargings of grade in an imperial examination were finished, the pressure process of first process equipment was also finished, and can enter first discharging once more, so moved in circles, and guaranteed that discharge header pipe discharging continuously enters follow-up pot-type equipment.
Claims (7)
1. novel fluid ultra-high-pressure processing equipment, comprise an airtight hyperbaric chamber and a pressurized fluid feed tube, the pressurized fluid feed tube is provided with pressure retaining valve, the pressurized fluid feed tube was provided with high-pressure hydraulic pump before pressure retaining valve, it is characterized in that: described pressurized fluid feed tube is communicated with the pressurization bag sealing of a soft material after feeding hyperbaric chamber, and pressurized fluid feed tube and hyperbaric chamber are tightly connected; Hyperbaric chamber is provided with inlet, discharging opening, be tightly connected with raw material feed tube and discharge nozzle respectively, the raw material feed tube is provided with inlet valve, discharge nozzle is provided with first bleeder valve, and discharging opening is arranged at the hyperbaric chamber bottom, also is provided with feed pump before inlet valve; Be connected with filtrated air air inlet pipe and blast pipe at described hyperbaric chamber top seal, the filtrated air air inlet pipe is provided with intake valve, and blast pipe is provided with air bleeding valve.
2. novel fluid ultra-high-pressure processing equipment according to claim 1 is characterized in that: be communicated with before feed pump on the described raw material feed tube and be provided with a storing surge tank.
3. novel fluid ultra-high-pressure processing equipment according to claim 1 and 2, it is characterized in that: the first bleeder valve arranged outside at discharge nozzle has one tunnel cleaning arm, the cleaning arm be provided with the cleaning valve, on discharge nozzle, the cleaning arm arranged outside second bleeder valve is arranged.
4. ultra-high-pressure processing equipment of fluid group of using the described novel fluid ultra-high-pressure processing equipment of claim 1, it is characterized in that: this ultra-high-pressure processing equipment group comprises at least 2 ultra-high-pressure processing equipment of fluid that are arranged in parallel, the raw material feed tube of each ultra-high-pressure processing equipment of fluid is merged into raw material feed liquor house steward, each discharge nozzle is also merged into discharge header pipe, and feed pump is arranged on the raw material feed liquor house steward.
5. ultra-high-pressure processing equipment of fluid group according to claim 4 is characterized in that: described raw material feed liquor house steward goes up to be communicated with before feed pump and is provided with a storing surge tank.
6. according to claim 4 or 5 described ultra-high-pressure processing equipment of fluid groups, it is characterized in that: the first bleeder valve arranged outside at described each ultra-high-pressure processing equipment of fluid discharge nozzle has one tunnel cleaning arm, the cleaning arm be provided with the cleaning valve, on discharge nozzle, the cleaning arm arranged outside second bleeder valve is arranged.
7. according to claim 4 or 5 described ultra-high-pressure processing equipment of fluid groups, it is characterized in that: this ultra-high-pressure processing equipment of fluid group comprises 2 to 5 ultra-high-pressure processing equipment of fluid groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020240638XU CN201726833U (en) | 2010-06-25 | 2010-06-25 | Novel fluid ultra-high pressure processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020240638XU CN201726833U (en) | 2010-06-25 | 2010-06-25 | Novel fluid ultra-high pressure processing device |
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| Publication Number | Publication Date |
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| CN201726833U true CN201726833U (en) | 2011-02-02 |
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| CN201020240638XU Expired - Lifetime CN201726833U (en) | 2010-06-25 | 2010-06-25 | Novel fluid ultra-high pressure processing device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101889711A (en) * | 2010-06-25 | 2010-11-24 | 于亮 | Ultra-high-pressure processing equipment of fluid |
| CN104494920A (en) * | 2014-12-20 | 2015-04-08 | 李立郎 | Quantitative viscous liquid filling equipment |
| CN105263808A (en) * | 2013-06-04 | 2016-01-20 | 利乐拉瓦尔集团及财务有限公司 | Device and method in a filling machine |
| CN109892510A (en) * | 2017-12-11 | 2019-06-18 | 香港生产力促进局 | A kind of high pressure food bactericidal unit |
| CN110269174A (en) * | 2018-03-15 | 2019-09-24 | 香港生产力促进局 | A kind of high pressure food sterilization treatment system |
| CN111661501A (en) * | 2020-05-27 | 2020-09-15 | 郭俭 | Aseptic tank capable of isolating air from liquid |
-
2010
- 2010-06-25 CN CN201020240638XU patent/CN201726833U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101889711A (en) * | 2010-06-25 | 2010-11-24 | 于亮 | Ultra-high-pressure processing equipment of fluid |
| CN101889711B (en) * | 2010-06-25 | 2014-09-17 | 于亮 | Ultra-high-pressure processing equipment of fluid |
| CN105263808A (en) * | 2013-06-04 | 2016-01-20 | 利乐拉瓦尔集团及财务有限公司 | Device and method in a filling machine |
| CN105263808B (en) * | 2013-06-04 | 2017-05-10 | 利乐拉瓦尔集团及财务有限公司 | Device and method in a filling machine |
| CN104494920A (en) * | 2014-12-20 | 2015-04-08 | 李立郎 | Quantitative viscous liquid filling equipment |
| CN109892510A (en) * | 2017-12-11 | 2019-06-18 | 香港生产力促进局 | A kind of high pressure food bactericidal unit |
| CN110269174A (en) * | 2018-03-15 | 2019-09-24 | 香港生产力促进局 | A kind of high pressure food sterilization treatment system |
| CN111661501A (en) * | 2020-05-27 | 2020-09-15 | 郭俭 | Aseptic tank capable of isolating air from liquid |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110202 Effective date of abandoning: 20140917 |
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| RGAV | Abandon patent right to avoid regrant |