CN110447731B - Pu' er tea solid fermentation tank ventilation device - Google Patents
Pu' er tea solid fermentation tank ventilation device Download PDFInfo
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- CN110447731B CN110447731B CN201910718141.XA CN201910718141A CN110447731B CN 110447731 B CN110447731 B CN 110447731B CN 201910718141 A CN201910718141 A CN 201910718141A CN 110447731 B CN110447731 B CN 110447731B
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- 238000009423 ventilation Methods 0.000 title claims abstract description 127
- 238000000855 fermentation Methods 0.000 title claims abstract description 125
- 230000004151 fermentation Effects 0.000 title claims abstract description 125
- 239000007787 solid Substances 0.000 title claims abstract description 26
- 235000019224 Camellia sinensis var Qingmao Nutrition 0.000 title claims description 8
- 235000020339 pu-erh tea Nutrition 0.000 title claims description 8
- 241001122767 Theaceae Species 0.000 claims abstract description 36
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 235000013616 tea Nutrition 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 10
- 235000013305 food Nutrition 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000009826 distribution Methods 0.000 description 5
- 244000005700 microbiome Species 0.000 description 4
- 241000228245 Aspergillus niger Species 0.000 description 3
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 3
- 235000014680 Saccharomyces cerevisiae Nutrition 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- 244000061456 Solanum tuberosum Species 0.000 description 2
- 235000002595 Solanum tuberosum Nutrition 0.000 description 2
- 239000001963 growth medium Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000008223 sterile water Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229920001817 Agar Polymers 0.000 description 1
- 240000006439 Aspergillus oryzae Species 0.000 description 1
- 235000002247 Aspergillus oryzae Nutrition 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 240000005384 Rhizopus oryzae Species 0.000 description 1
- 235000013752 Rhizopus oryzae Nutrition 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 239000008272 agar Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F3/00—Tea; Tea substitutes; Preparations thereof
- A23F3/06—Treating tea before extraction; Preparations produced thereby
- A23F3/08—Oxidation; Fermentation
- A23F3/10—Fermentation with addition of microorganisms or enzymes
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Tea And Coffee (AREA)
Abstract
The invention belongs to the technical field of fermentation equipment, and discloses a ventilation device of a puer tea solid fermentation tank, which comprises an air cylinder, an air guide flange and an air injection assembly, wherein the air cylinder, the air guide flange and the air injection assembly are arranged at two ends of the bottom of the fermentation tank; the side walls of the two ends of the fermentation tank are provided with air vents which are detachably connected with the air guide flange; the air cylinder is used for driving the air guide flange to stretch and retract, so that an air guide through hole positioned between the air cylinder push rod and the air guide flange is connected or separated from the air vent, and ventilation or ventilation stopping is realized; and the position of the inner bottom of the fermentation tank connected with the air vent is also uniformly provided with an air pipe. According to the invention, the composition and the arrangement mode of each component in the ventilation device are improved, the air cylinder is adopted to drive the air guide flange to perform telescopic movement, so that the air guide flange is detachably connected with the ventilation openings on the side walls of the two ends of the fermentation tank, and the ventilation uniformity and the gas utilization rate in the fermentation tank can be effectively improved.
Description
Technical Field
The invention belongs to the technical field of fermentation equipment, and particularly relates to a ventilation device of a puer tea solid fermentation tank, which has the characteristics of unblocked ventilation holes, easiness in ventilation control, more uniform gas distribution, remarkably improved gas utilization rate and the like, and is very suitable for puer tea fermentation tanks.
Background
The Pu ' er tea takes Yunnan big-leaf sun-dried tea as raw material, and is mainly divided into Pu ' er raw tea and Pu ' er ripe tea due to different manufacturing processes. At present, the fermentation mode commonly adopted by the puer ripe tea is pile fermentation, but with the improvement of living standard and the progress of scientific technology, the quality requirement on puer ripe tea products is gradually improved, and the fermentation production of puer tea by utilizing a puer tea solid fermentation tank becomes the main direction of research.
Microorganisms such as aspergillus niger and yeast are key for fermentation of puer tea, and ventilation is key for affecting growth of aerobic bacteria such as aspergillus niger and yeast and synthesis of products, so that uniformity of ventilation in a puer tea solid fermentation tank is ensured, and improvement of gas utilization rate is key for improving quality of puer ripe tea products. At present, the ventilation device in the fermentation tank almost adopts a straight-through mode, namely, air is introduced into materials through the ventilation pipe through the ventilation port, the improvement mode mainly comprises the position of the ventilation port, the ventilation direction and the like, and in the Chinese patent application 201120201948.5 drum-type puer tea fermentation machine, an air inlet is mainly formed at the center of the bottom of the fermentation tank, and the ventilation mode is difficult to lead air to enter into the two ends of the bottom of the fermentation tank, so that the uniformity of the fermentation process of the solid fermentation tank cannot be ensured; the Chinese patent application 201510160360.2 discloses a horizontal solid fermentation tank and a fermentation method of puer tea, wherein the fermentation tank is stirred by a stirring system, a deblocking device and the like in the fermentation tank, the fermentation tank is fixed, air is only introduced from one side of the bottom of the fermentation tank, the ventilation uniformity in the fermentation process cannot be ensured, and tea residues easily block a ventilation port; the chinese patent application 2016214773353 improves the position of ventilation, makes gas let in the fermentation cylinder through the even air vent of upper distribution of fermentation cylinder hollow tube, and this ventilation mode has effectively improved the homogeneity that solid fermentation cylinder inside material was ventilated, but because the air vent is in the material top, can make fermentation cylinder bottom material ventilation inadequately, and gas utilization is low. At present, the ventilation problem of the solid fermentation tank is still a core problem to be solved, and breakthrough is needed, namely, how to ensure that the ventilation holes of the solid fermentation tank are not blocked by materials, and meanwhile, the gas distribution in the materials in the fermentation tank is more uniform, and the gas utilization rate is high.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention aims to provide a ventilation device of a puer tea solid fermentation tank, wherein the composition and the arrangement mode of each component in the ventilation device are improved, an air cylinder is adopted to drive an air guide flange near the two ends of the bottom of the fermentation tank to perform telescopic movement, the middle of a push rod of the air cylinder can be pushed out of a through hole to ventilate or retract into the through hole to stop ventilation, the air guide flange is detachably connected with ventilation openings on the side walls of the two ends of the fermentation tank, the blockage of the ventilation openings can be effectively avoided, and the ventilation uniformity and the gas utilization rate in the fermentation tank are improved.
In order to achieve the above object, according to the present invention, there is provided a ventilation device for a puer tea solid fermentation tank, characterized in that the ventilation device is used for feeding sterile air from an air compressor and processed by an air filter into the fermentation tank; the ventilation device mainly comprises an air cylinder, an air guide flange and an air injection assembly which are positioned at two ends of the bottom of the fermentation tank, wherein ventilation openings are also formed in the side walls of the two ends of the fermentation tank; the air injection assembly is positioned in the fermentation tank and is used for directly feeding air into the fermentation tank, and the air injection assembly is used for supplying air through the air vent; the air vent is detachably connected with the air guide flange, wherein the air guide flange is arranged on a push rod of the air cylinder, the air cylinder is used for driving the air guide flange to stretch and retract, an air guide through hole is simultaneously formed between the push rod of the air cylinder and the air guide flange, and the air guide through hole can be connected or separated from the air vent by utilizing the stretch and retraction of the air guide flange, so that the air is conveyed into the fermentation tank and stopped; and a vent pipe is uniformly arranged at the position where the inner bottom of the fermentation tank is connected with the vent port, and the vent pipe is used for connecting the air injection assembly and the vent port.
As a further preferable mode of the invention, the air guide flange is funnel-shaped, the area of the end face of the air guide flange close to the air vent is large, and the area of the end face of the air guide flange far from the air vent is small; and the cross section area of the ventilation channel is larger than that of the ventilation channel in the ventilation port on the end surface of the air guide flange, which is close to the ventilation port.
As a further preferable mode of the invention, the ventilation pipes are uniformly distributed at the bottom of the fermentation tank, and the number of the ventilation pipes is 8-10.
As a further preferred aspect of the present invention, the air guide flange is used for enabling the air guide through hole to be connected with the air vent and convey sterile air when the fermenter is stationary; when the fermenter is rotated, the air guide through hole and the air vent can be separated, and air delivery can be stopped.
As a further preferable mode of the invention, the diameter of the air guide through hole is 6-12mm, and the diameter of the air vent on the side wall at two ends of the fermentation tank is 14-20mm.
As a further preferred aspect of the invention, the air guide flange and the vent pipe are made of stainless steel materials meeting the food safety requirements.
Through the technical scheme, compared with the existing fermentation tank ventilation device and ventilation mode, ventilation uniformity and gas utilization rate can be greatly improved, charging ratio can be further improved, productivity can be increased, cost can be reduced, and a larger space is provided for reducing the rotation speed of the fermentation tank and guaranteeing the integrity of tea leaves after fermentation; specifically, the fermenter ventilation device in the invention has the following characteristics:
① The air cylinder is selected to be double-acting, and the air guide through hole arranged between the air cylinder push rod and the air guide flange can be used for ventilation or stopping ventilation, and the air guide through hole and the air vent can not be blocked by tea leaf residues because the air guide flange is telescopic (namely, the air guide through hole is detachably connected with the air vent in the telescopic process of the air guide flange); the position of the air guide flange is set as the initial position when the air guide flange is separated from the air vent, so that the air guide flange is driven by the air cylinder to connect the air guide through hole end surface between the air cylinder push rod and the air guide flange with the air vent under the condition that the fermentation tank is stationary, and ventilation is started; when the fermentation tank rotates, the air cylinder drives the end face of the air guide through hole to retract to the initial position, and ventilation is stopped.
② The ventilation device comprises two air cylinders which are respectively arranged at two ends of the bottom of the fermentation tank and comprise a plurality of ventilation pipes, the ventilation pipes are uniformly distributed at the bottom of the fermentation tank, the improvement of the equipment is that the ventilation pipes are respectively arranged at the left end and the right end of the fermentation tank and uniformly distributed, so that the ventilation uniformity in the fermentation tank is ensured.
③ The air guide flange connected with the air cylinder is preferably designed to be similar to a funnel shape, so that a large round sleeve and a small round sleeve at the joint of the air guide flange and the rotary cylinder can be normally ventilated when the fermentation tank stops rotating and the stop position and the central axial surface form +/-2 degrees.
The invention greatly improves the ventilation device, and aims at the problem of ventilation uniformity in the solid fermentation tank, the ventilation device is simultaneously arranged at two ends of the fermentation tank, thereby ensuring ventilation uniformity at the two ends, and the ventilation pipe is arranged at the bottom of the fermentation tank and provided with ventilation holes which are uniformly distributed; considering that the installation of the ventilation device faces great problems (in particular, the fermentation tank is mainly stirred by the rotation of the fermentation tank, and the installation of the ventilation device at the bottom of the fermentation tank can limit the rotation of the fermentation tank), the ventilation device is in detachable connection with the ventilation port by utilizing the air guide flange, and the ventilation device is retracted and stops delivering air when the fermentation tank rotates, and is extended and maintains stable delivery of sterile air when normal ventilation does not rotate; the invention also ensures the normal output of ventilation and does not influence the rotation of the fermentation tank by repeatedly optimizing the shape of the air guide flange in the ventilation device and the sizes of the through hole (the diameter is preferably 6-12 mm) and the ventilation opening (the diameter is preferably 14-20 mm) in the middle of the air cylinder push rod.
In summary, the ventilation device of the innovative design of the invention consists of the air cylinder and the air guide flange, the air guide flange is arranged on the air cylinder push rod, and is preferably designed into a funnel shape, when the fermentation tank rotates, ventilation is stopped, and when the fermentation tank is static, ventilation is realized, and because the through hole in the air cylinder push rod is telescopic, the through hole can not be blocked. Compared with the prior art, the invention has the remarkable advantages that: the through holes in the solid fermentation tank can not be blocked, ventilation is easy to control, gas distribution is more uniform, and the gas utilization rate is remarkably improved.
Drawings
FIG. 1 is a schematic diagram of the ventilation pipeline of the ventilation device of the puer tea solid fermentation tank.
FIG. 2 is a ventilation device of the puer tea solid fermentation tank.
The meaning of the reference numerals in the figures is as follows: 1 is an air compressor (i.e. an air compressor), 2 is a fermentation tank, 3 is an electromagnetic valve, 4 is an air cylinder, 401 is an air cylinder push rod, 5 is an air injection assembly, 6 is a water supplementing spray head, 7 is an air guide flange, and 8 is an air vent positioned on the side wall of the rotary cylinder.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1
As shown in fig. 1 and 2, the ventilation device of the puer tea solid fermentation tank mainly comprises two parts, wherein the ventilation device comprises an air compressor, an air filter, an air cylinder, an air guide flange and a ventilation pipe; the air cylinders are positioned at two ends of the bottom of the fermentation tank; the air guide flange and the air cylinder are connected (for example, can be connected with a push rod of the air cylinder) to form a special ventilation device; the ventilation device of the puer tea solid fermentation tank works as follows: after passing through a sterile air filter, air generated by an air compressor passes through a ventilation device, namely, the air is controlled by air cylinders positioned at two ends of a fermentation tank, and sterile air is introduced into the fermentation tank through ventilation pipes uniformly distributed at the bottom of the fermentation tank; when the fermentation tank stops rotating, the air guide flange stretches out of the air guide through hole with the diameter of 8-12mm under the drive of the air cylinder push rod, and is connected with an air vent (with the diameter of 14-20 mm) positioned on the side wall of the rotary cylinder to start ventilation; when the fermentation tank needs to rotate, the air guide flange is driven by the air cylinder push rod to retract the air guide through hole with the diameter of 8-12mm to the starting point position, and is separated from the air vent (with the diameter of 14-20 mm) positioned on the side wall of the rotary cylinder, so that the ventilation is stopped, the ventilation device is improved, the ventilation of the side surface of the rotary cylinder is realized, and ventilation can still be realized within the stopping error range of +/-2 degrees of the rotary cylinder; the improvement of the ventilation device not only improves the ventilation position, but also obviously improves the ventilation efficiency, and the ventilation port can not be blocked due to the telescopic ventilation port. Compared with the prior art, the patent has the remarkable advantages that: the ventilation in the solid fermentation tank is easy to control, the gas distribution is more uniform, and the gas utilization rate is obviously improved.
The ventilation device (such as an air guide flange, a ventilation pipe, a water supplementing spray nozzle and the like) in the solid fermentation tank is made of high-quality stainless steel materials, and all the materials meet the food safety requirements.
Example 2
Before improvement by using the ventilation device (see Chinese patent application 2016214773353, namely ventilation is carried out from one end of the hollow shaft and the ventilation is carried out into the fermentation tank through the ventilation hole on the hollow shaft), and the puer tea fermentation tank after improvement by using the ventilation device are respectively fermented, wherein the fermentation process comprises the following steps (the fermentation process parameters and the conditions are consistent except the special description):
(1) Preparing strains:
The microorganisms for fermenting Pu' er tea refer to Aspergillus niger, aspergillus oryzae, rhizopus oryzae and Saccharomyces cerevisiae which are inoculated into PDA solid culture medium and cultured at 28deg.C. After each microorganism is respectively cultured, a proper amount of sterile water is used for preparing spore or fungus suspension, so that the final concentration of the spore or fungus number of each microorganism is 1 multiplied by 10 7 cfu/mL.
The preparation method of the culture medium can be as follows:
PDA solid medium: 200g of peeled potato is washed, chopped, 1000mL of water is added, boiled for half an hour, filtered by gauze while the potato is hot, 20g of glucose is added, and 20g/L of agar is added after split charging. Sterilizing at 121deg.C for 20min.
(2) Sterilizing a fermentation tank: sterilizing the interior of Pu' er tea fermentation tank and pipeline with high temperature steam, and maintaining at 110-120deg.C for 30min;
(3) Pretreatment of raw materials: carrying out ultraviolet pretreatment on puer tea raw materials, for example, an ultraviolet lamp with the thickness of 30W, the tea leaf thickness of 5cm, the distance between the tea leaf and the ultraviolet lamp of 40cm, the irradiation area of 1m 2, and the treatment time of 20min, so that the total bacteria amount to 0-10MPN/100g, the total bacteria amount to 0-50cfu/g and the mould amount to 0-10cfu/g in puer tea;
(4) Inoculating and fermenting in a fermentation tank:
the pretreated puer tea, sterile water and spores or bacterial suspension can be mixed according to the following mass ratio: 1:0.3:0.05, and after uniform mixing, transferring into a sterilized fermentation tank, rotating the fermentation tank to ensure that the fermentation tank is more uniform in mixing, wherein the charging ratio is 15% before the ventilation device is improved, and the rotating speed is controlled to be 15-20rpm; after the ventilation device is improved, the charging ratio is 20%, the rotating speed is controlled to be 5-10rpm, and in a fermentation tank with a 5t scale, the pressure of the tank is maintained to be 0.01-0.02Mpa in the whole fermentation process:
During fermentation, the water content in the tea leaves is not lower than 25% and not higher than 35%, and the temperature and ventilation in the fermentation tank can be controlled in stages, for example, as shown in table 1:
TABLE 1 temperature control of different fermentation stages in fermentors
(5) Ending fermentation: ending fermentation on the 25 th day in combination with key index detection analysis;
(6) And (3) tank discharge: after fermentation is finished, controlling the temperature in the fermentation tank to be 43-45 ℃, continuously introducing sterile air, maintaining the internal pressure of the fermentation tank to be more than 0 and less than or equal to 0.01Mpa, and keeping the ventilation amount to be 150L/min, when the water content in the tea is less than or equal to 15%, placing the tea in the tank, and keeping the ventilation time to be 1 day;
The fermentation results before and after the improvement of the synchronous device and the ventilation device are respectively analyzed, the tea polyphenol content is 13.8 percent and 14.1 percent, and the theabrownin content is 8.36 percent and 8.65 percent.
As the ventilation uniformity and the gas utilization rate are effectively improved, compared with the Pu 'er tea fermentation tank after the ventilation device is improved before the ventilation device is improved, the charging ratio is improved from 15% to 20%, the fermentation speed is reduced from 15-20rpm to 5-10rpm, similar fermentation results can be achieved under the condition of maintaining the same fermentation conditions, the productivity is increased, the energy consumption is reduced, and in addition, after the ventilation device is improved, the fermented Pu' er tea leaves are complete and better.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (3)
1. The ventilation device of the puer tea solid fermentation tank is characterized in that the ventilation device is used for sending sterile air which comes from an air compressor and is treated by an air filter into the fermentation tank; the ventilation device mainly comprises an air cylinder, an air guide flange and an air injection assembly which are positioned at two ends of the bottom of the fermentation tank, wherein ventilation openings are also formed in the side walls of the two ends of the fermentation tank; the air injection assembly is positioned in the fermentation tank and is used for directly feeding air into the fermentation tank, and the air injection assembly is used for supplying air through the air vent; the air vent is detachably connected with the air guide flange, wherein the air guide flange is arranged on a push rod of the air cylinder, the air cylinder is used for driving the air guide flange to stretch and retract, an air guide through hole is simultaneously formed between the push rod of the air cylinder and the air guide flange, and the air guide through hole can be connected or separated from the air vent by utilizing the stretch and retraction of the air guide flange, so that the air is conveyed into the fermentation tank and stopped; and a vent pipe is uniformly arranged at the position where the inner bottom of the fermentation tank is connected with the vent port, and the vent pipe is used for connecting the air injection assembly and the vent port;
In addition, the air guide flange is funnel-shaped, the area of the end face of the air guide flange close to the air vent is large, and the area of the end face of the air guide flange far from the air vent is small; and the cross section area of the ventilation channel is larger than that of the ventilation channel in the ventilation port on the end surface of the air guide flange, which is close to the ventilation port;
When the fermentation tank stops rotating, the air guide flange stretches out of the air guide through hole with the diameter of 8-12mm under the drive of the air cylinder push rod, and is connected with an air vent with the diameter of 14-20mm positioned on the side wall of the rotary cylinder to start ventilation; when the fermentation tank needs to rotate, the air guide flange is driven by the air cylinder push rod to retract into the air guide through hole with the diameter of 8-12mm to the starting point position, and is separated from the air vent positioned on the side wall of the rotary cylinder, so that the ventilation is stopped.
2. The ventilation device of the puer tea solid fermentation tank according to claim 1, wherein the ventilation pipes are uniformly distributed at the bottom of the fermentation tank, and the number of the ventilation pipes is 8-10.
3. A pu' er tea solid fermentation tank ventilation device in accordance with any one of claims 1-2, wherein the air guide flange and the ventilation pipe are made of stainless steel material meeting food safety requirements.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206897333U (en) * | 2017-06-12 | 2018-01-19 | 信易电热机械有限公司 | A kind of two material proportion mixers |
| CN108840733A (en) * | 2018-09-20 | 2018-11-20 | 深圳市安思科电子科技有限公司 | A kind of uniform aerobic composting device of reaction for organic garbage treatment |
| CN211091689U (en) * | 2019-08-05 | 2020-07-28 | 华中科技大学 | Pu' er tea solid state fermentation jar ventilation unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100242984B1 (en) * | 1996-10-29 | 2000-02-01 | 김영환 | Magnetic plunger valve |
| CN102418724B (en) * | 2011-11-04 | 2013-06-19 | 武汉工程大学 | Adjustable impact cylinder |
| CN206754557U (en) * | 2017-05-08 | 2017-12-15 | 翰林航宇（天津）实业有限公司 | A kind of plunger type inlet valve |
| CN206705985U (en) * | 2017-05-18 | 2017-12-05 | 湖北省农业科学院植保土肥研究所 | A kind of rapid fermenting device |
| CN207229768U (en) * | 2017-09-19 | 2018-04-13 | 上海展恒环保工程有限公司 | Poppet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206897333U (en) * | 2017-06-12 | 2018-01-19 | 信易电热机械有限公司 | A kind of two material proportion mixers |
| CN108840733A (en) * | 2018-09-20 | 2018-11-20 | 深圳市安思科电子科技有限公司 | A kind of uniform aerobic composting device of reaction for organic garbage treatment |
| CN211091689U (en) * | 2019-08-05 | 2020-07-28 | 华中科技大学 | Pu' er tea solid state fermentation jar ventilation unit |
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