CN109618950A - A kind of ventilation heating system for piglet cradling - Google Patents
A kind of ventilation heating system for piglet cradling Download PDFInfo
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- CN109618950A CN109618950A CN201811623242.0A CN201811623242A CN109618950A CN 109618950 A CN109618950 A CN 109618950A CN 201811623242 A CN201811623242 A CN 201811623242A CN 109618950 A CN109618950 A CN 109618950A
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- ventilation
- intake stack
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- 238000009423 ventilation Methods 0.000 title claims abstract description 44
- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 9
- 238000000605 extraction Methods 0.000 claims abstract description 4
- 238000009360 aquaculture Methods 0.000 abstract description 2
- 244000144974 aquaculture Species 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 230000000474 nursing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 206010012735 Diarrhoea Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003698 anagen phase Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/02—Pigsties; Dog-kennels; Rabbit-hutches or the like
- A01K1/03—Housing for domestic or laboratory animals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
- A01K1/0052—Arrangement of fans or blowers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
- A01K1/0064—Construction of air inlets or outlets in walls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Animal Husbandry (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Clinical Laboratory Science (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Housing For Livestock And Birds (AREA)
- Ventilation (AREA)
Abstract
The present invention relates to a kind of ventilation heating systems for piglet cradling, including temperature-constant plate of divulging information, the return air duct for inputting fresh air, the heat exchanger for exporting the intake stack of foul indoor air and being mounted on outside pig house；The heat exchanger includes the indoor air outlet connected with the return air duct, the indoor air inlet connected with the intake stack and outdoor air inlet and outdoor air outlet；Be additionally provided with heat exchanging pipe inside the heat exchanger and extraction give up in air exhaust fan, to the pressure fan of indoor input air；The ventilation temperature-constant plate bottom is hollow insulation board, is equipped with resistive heater inside the insulation board, and is respectively equipped with return air duct, air outlet, the air inlet that intake stack is connected；The return air duct, intake stack indoor port in be additionally provided with temperature sensor and wind pressure ventilation quantity sensor.Therefore the present invention under the premise of being able to satisfy nursery house temperature can also energy saving, and it is easy to repair, reduce aquaculture cost.
Description
Technical field
The present invention relates to a kind of ventilation heating systems for piglet cradling, belong to field of cultivation of animal husbandry.
Background technique
Currently, the saying of " pig grain peace is all over the world " is rooted in the hearts of the people, while large scale of pig farm also has become prevailing model.Scale
Change cultivation to have many good qualities, such as centralized management, nutrition equilibrium, stable product quality etc., but also proposed very in management
High requirement.By taking the breeding scale of live pig as an example, each growth phase of live pig is intended to different feeding formulas, raising column
Body, feeding environment etc..Since giving birth to piglet after sow pregnancy, live pig just has been at the state of large-scale breeding, usual feelings
Under condition piglet crossed nursing period will be sent to nursery house carry out child care, in order to improve survival rate, it will usually a variety of child care be taken to arrange
Apply: other than good feed guarantees nutrition, vaccine inoculation guarantee health, influence of the environment to piglet is also very big in house, in house
Environment is mainly temperature and air freshness.Suitable temperature range is that rigid weanling pig especially needs, because temperature is too low,
Piglet lie down rest when suffer from cold and be particularly easy to cause the diseases such as flu, diarrhea, have adverse effect to swinery, be piglet death
The biggest factor.Therefore it is necessary for carrying out heating and thermal insulation using heating device in piglet nursing shed house.Present large-scale pig farm is logical
Way is to be laid with thermal insulation material and using electric-heating-wire-heating, be commonly called as electric heating, it is ensured that the temperature in pig house.But have certain
The shortcomings that, for example it is laid at high cost, the higher technique guarantee quality of construction needs, hardly possible maintenance, failure needs to destroy again
Ground is re-lay, and use cost is high, and the electricity charge are high, and leaving unused, period is long, and winter just uses, and spring and autumn three quarters are idle.The especially winter
In season, special north of china in winter, temperature will maintain 25 DEG C or so in pig house, and give up outer temperature at -15 DEG C, and the biggish temperature difference can be brought
King-sized energy consumption.In addition to this, the ventilation quantity of winter piglet nursing shed is also intended to guarantee, and existing technology is to open
Ventilation small window is aerated ventilation, and a large amount of heat can be taken away after ventilation, need to open floor heating heating meet give up in temperature it is constant,
Thus waste the energy.
Summary of the invention
In view of the above-mentioned problems, piglet cradling is effectively ensured the invention proposes a kind of ventilation heating system of piglet cradling
Temperature is constant in giving up, and air is fresh, guarantees that piglet stablizes suitable living environment.
To realize above-mentioned function, the present invention adopts the following technical scheme: a kind of ventilation heating system for piglet cradling,
It is characterised in that it includes a kind of inside can divulge information and heat ventilation temperature-constant plate, to indoor input fresh air return air duct,
It exports the intake stack of foul indoor air and is mounted on outside pig house and be used for the exchange of indoor and outdoor air heat to preheat fresh air
Heat exchanger；The heat exchanger includes that the indoor air outlet connected with the return air duct and the intake stack are connected
Indoor air inlet and outdoor air inlet and outdoor air outlet；It is additionally provided with inside the heat exchanger for indoor and outdoor air
The heat exchanging pipe of heat exchange, and it is pre- from the exhaust fan of intake stack extraction air, the input of Xiang Suoshu return air duct
The pressure fan of hot fresh air；The ventilation temperature-constant plate bottom is hollow insulation board, is equipped with adding thermal resistance inside the insulation board
Silk, and the air inlet for being respectively equipped with the air outlet connected with the return air duct, being connected with the intake stack；The backwind tube
Road, intake stack indoor port in be additionally provided with it is logical for acquiring air themperature, the temperature sensor of wind pressure ventilation quantity and wind pressure
Air flow sensor.
It further, further include being mounted on the indoor airflow that additional heat is used in pig house.
Further, the ventilation temperature-constant plate is separate unit, and multiple Side by side groupings use, air outlet, air inlet point
It is not connected with the return air duct, intake stack.
Further, the excessively high temperature control device automatically powered off of temperature is equipped with inside the ventilation temperature-constant plate.
In conclusion mentality of designing of the present invention is clear, and it is intelligent, it is easy to operate, it can be to the temperature in piglet nursing shed, sky
Gas is regulated and controled, so that piglet life condition is stablized, conducive to the growth of piglet.
Detailed description of the invention
Fig. 1 is a kind of ventilation heating system structural schematic diagram for piglet cradling.
Fig. 2 is heat exchanger structural schematic diagram.
Fig. 3 is intake stack, return air duct port sensor fixing structure schematic diagram.
Fig. 4 is ventilation temperature-constant plate schematic cross-sectional view.
Specific embodiment
Combined with specific embodiments below and attached drawing come present invention be described in more detail.
A kind of ventilation heating system for piglet cradling as shown in Figures 1 to 4, which is characterized in that including in one kind
Ventilation temperature-constant plate 1, the return air duct 2 to indoor input fresh air, output foul indoor air that portion can divulge information and heat
Intake stack 3 and it is mounted on the heat exchanger 4 that the exchange of indoor and outdoor air heat is used for outside pig house to preheat fresh air；The heat
Interchanger 4 includes the indoor air outlet 41 connected with the return air duct 2, the indoor air inlet with the intake stack 3 connection
42 and outdoor air inlet 43 and outdoor air outlet 44；It is additionally provided with inside the heat exchanger and is handed over for indoor and outdoor air heat
The heat exchanging pipe changed, and it is new from the exhaust fan of the intake stack 3 extraction air, the input preheating of Xiang Suoshu return air duct 2
The pressure fan of fresh air；Ventilation 1 bottom of temperature-constant plate is hollow insulation board 11, is equipped with adding thermal resistance inside the insulation board
Silk, and the air inlet 13 for being respectively equipped with the air outlet 12 connected with the return air duct 2, being connected with the intake stack 3；It is described
Return air duct 2, intake stack 3 indoor port in be additionally provided with temperature sensor 6 for acquiring air themperature, wind pressure ventilation quantity
And wind pressure ventilation quantity sensor 7.
It further, further include being mounted on the indoor airflow 5 that additional heat is used in pig house.
Further, the ventilation temperature-constant plate 1 is separate unit, and multiple Side by side groupings use, air outlet 12, air inlet
13 connect with the return air duct 2, intake stack 3 respectively.
Further, the excessively high temperature control device automatically powered off of temperature is equipped with inside the ventilation temperature-constant plate 2.
The present invention proposes ventilation heating system, and inside can divulge information and heatable ventilation temperature-constant plate 1 replaces piglet cradling to use
Electric heating, realize the function of heat preservation, and be integrated with temperature data induction, acquisition etc. intelligent functions, be internally provided with temperature control dress
It sets, is automatically powered off when internal temperature is excessively high, safety and environmental protection；Ventilation temperature-constant plate 1 is separate unit, when failure, need to only be removed
The ventilation temperature-constant plate 1 of failure, is repaired or replaced, and it is not necessary that carry out Measuring error is broken in entire bottom surface, use is safer
It is convenient, while heating function can be closed in proper temperature, only use its ventilation function.
Heating system of taking a breath can will give up interior hot-air and give up outer cold air realizes hot hand in outdoor heat exchanger 4
It changes, is preheated for outdoor fresh air, both improved the heat utilization efficiency of exhaust gas, while fresh air, air inlet can also be supplemented for house is interior
Be respectively equipped at pipeline 2,3 port of return air duct temperature sensor 6 and wind pressure ventilation quantity sensor 7, be integrated with temperature, wind pressure,
The intelligent functions such as induction, the acquisition of ventilation quantity data.2 air outlet of return air duct is set at metope, and outdoor air enters piglet
After nursery house, blow-through to metope is radiated in house after reflection, forms cross-ventilation, and outdoor cooler air will not be directly blown onto
With piglet, piglet is avoided to suffer from cold because of blow-through cold wind sick.
This system also individually increases indoor airflow 5, and the too low ventilation temperature-constant plate 1 of temperature is not enough to remain young in nursery house
Pig generates heat when growing preference temperature, promotes the temperature in piglet nursing shed.Therefore the present invention is before being able to satisfy nursery house temperature
Put can also energy saving, and it is easy to repair, reduce aquaculture cost.
It is provided for the embodiments of the invention technical solution above to be described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention are expounded, the explanation of above embodiments is only applicable to help to understand this
The principle of inventive embodiments；At the same time, for those skilled in the art, according to an embodiment of the present invention, in specific embodiment party
There will be changes in formula and application range, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (4)
1. a kind of ventilation heating system for piglet cradling, which is characterized in that can divulge information and heat logical including a kind of inside
Wind temperature-constant plate (1), to indoor input fresh air return air duct (2), export foul indoor air intake stack (3) and peace
The exchange of indoor and outdoor air heat is used for outside pig house to preheat the heat exchanger (4) of fresh air；Heat exchanger (4) packet
The indoor air inlet for including the indoor air outlet (41) connected with the return air duct (2), being connected with the intake stack (3)
(42) and outdoor air inlet (43) and outdoor air outlet (44)；It is additionally provided with inside the heat exchanger for indoor and outdoor air
The heat exchanging pipe of heat exchange, and exhaust fan, Xiang Suoshu return air duct (2) from the intake stack (3) extraction air
The pressure fan of input preheating fresh air；Ventilation temperature-constant plate (1) bottom is hollow insulation board (11), inside the insulation board
Equipped with resistive heater, and it is respectively equipped with the air outlet (12) connected with the return air duct (2) and the intake stack (3)
The air inlet (13) of connection；The return air duct (2), intake stack (3) indoor port in be additionally provided with for acquiring Air Temperature
Degree, the temperature sensor (6) of wind pressure ventilation quantity and wind pressure ventilation quantity sensor (7).
2. a kind of ventilation heating system for piglet cradling according to claim 1, it is characterised in that: further include being mounted on
The indoor airflow (5) of additional heat is used in pig house.
3. a kind of ventilation heating system for piglet cradling according to claim 1, it is characterised in that: the ventilation constant temperature
Plate (2) is separate unit, and multiple Side by side groupings use, air outlet (12), air inlet (13) respectively with the return air duct
(2), intake stack (3) is connected.
4. a kind of ventilation heating system for piglet cradling according to claim 1, it is characterised in that: the ventilation constant temperature
The excessively high temperature control device automatically powered off of temperature is equipped with inside plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623242.0A CN109618950B (en) | 2018-12-28 | 2018-12-28 | A heating system of taking a breath for piglet nurturance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623242.0A CN109618950B (en) | 2018-12-28 | 2018-12-28 | A heating system of taking a breath for piglet nurturance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109618950A true CN109618950A (en) | 2019-04-16 |
| CN109618950B CN109618950B (en) | 2021-07-20 |
Family
ID=66078880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811623242.0A Active CN109618950B (en) | 2018-12-28 | 2018-12-28 | A heating system of taking a breath for piglet nurturance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109618950B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110946074A (en) * | 2019-12-12 | 2020-04-03 | 东北农业大学 | Conservation pig house stack formula preheats ventilation unit |
| CN113349069A (en) * | 2021-07-10 | 2021-09-07 | 河南天聚福农牧发展有限公司 | Temperature and humidity intelligent control's environmental protection pig house in house |
| CN113455402A (en) * | 2021-07-28 | 2021-10-01 | 重庆拓福士科技发展有限公司 | Automatic constant-temperature adjusting and controlling system for pen house |
| CN113679090A (en) * | 2021-08-04 | 2021-11-23 | 湖北中烟工业有限责任公司 | Cigar fresh air circulation alcoholization chamber and alcoholization method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3027447A1 (en) * | 1980-07-19 | 1982-02-11 | Horst Joachim 6700 Ludwigshafen Schmittel | Ventilation equipment for room - has additional heat exchanger in stale air current connected to heat exchanger inlet |
| US6637374B2 (en) * | 2001-07-19 | 2003-10-28 | Randall D. Hawks | Device for heating an enclosed space for animals |
| CN1987281A (en) * | 2005-12-20 | 2007-06-27 | 乐金电子(天津)电器有限公司 | Air exchanging and heat exchanger |
| CN103032932A (en) * | 2013-01-06 | 2013-04-10 | 山西尚风科技股份有限公司 | Industrial workshop ventilation device |
| CN103891623A (en) * | 2014-04-22 | 2014-07-02 | 北京卧龙农林科技有限公司 | Solar greenhouse housing for breeding domestic animals for table purpose |
| CN204653268U (en) * | 2015-04-08 | 2015-09-23 | 牧原食品股份有限公司 | A kind of Novel pig house high-efficient ventilation air exchange system |
| CN205511423U (en) * | 2016-04-15 | 2016-08-31 | 余平 | Pig of ventilating in improvement formula spring, autumn, winter is with breeding house |
| CN108142301A (en) * | 2018-02-05 | 2018-06-12 | 东北农业大学 | A kind of pig house NH of temperature-compensating3The underground variable air rate aeration structure and method of discharge |
| CN207561075U (en) * | 2017-11-23 | 2018-07-03 | 阿克苏兴疆牧歌食品股份有限公司 | Animal colony house air inlet mechanism |
| CN207639377U (en) * | 2017-12-20 | 2018-07-24 | 牧原食品股份有限公司 | Pig house constant temperature road for winter |
| CN207870004U (en) * | 2018-02-08 | 2018-09-18 | 湖南大湘农环境科技股份有限公司 | A kind of environmental protection energy-saving type pig house |
-
2018
- 2018-12-28 CN CN201811623242.0A patent/CN109618950B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3027447A1 (en) * | 1980-07-19 | 1982-02-11 | Horst Joachim 6700 Ludwigshafen Schmittel | Ventilation equipment for room - has additional heat exchanger in stale air current connected to heat exchanger inlet |
| US6637374B2 (en) * | 2001-07-19 | 2003-10-28 | Randall D. Hawks | Device for heating an enclosed space for animals |
| CN1987281A (en) * | 2005-12-20 | 2007-06-27 | 乐金电子(天津)电器有限公司 | Air exchanging and heat exchanger |
| CN103032932A (en) * | 2013-01-06 | 2013-04-10 | 山西尚风科技股份有限公司 | Industrial workshop ventilation device |
| CN103891623A (en) * | 2014-04-22 | 2014-07-02 | 北京卧龙农林科技有限公司 | Solar greenhouse housing for breeding domestic animals for table purpose |
| CN204653268U (en) * | 2015-04-08 | 2015-09-23 | 牧原食品股份有限公司 | A kind of Novel pig house high-efficient ventilation air exchange system |
| CN205511423U (en) * | 2016-04-15 | 2016-08-31 | 余平 | Pig of ventilating in improvement formula spring, autumn, winter is with breeding house |
| CN207561075U (en) * | 2017-11-23 | 2018-07-03 | 阿克苏兴疆牧歌食品股份有限公司 | Animal colony house air inlet mechanism |
| CN207639377U (en) * | 2017-12-20 | 2018-07-24 | 牧原食品股份有限公司 | Pig house constant temperature road for winter |
| CN108142301A (en) * | 2018-02-05 | 2018-06-12 | 东北农业大学 | A kind of pig house NH of temperature-compensating3The underground variable air rate aeration structure and method of discharge |
| CN207870004U (en) * | 2018-02-08 | 2018-09-18 | 湖南大湘农环境科技股份有限公司 | A kind of environmental protection energy-saving type pig house |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110946074A (en) * | 2019-12-12 | 2020-04-03 | 东北农业大学 | Conservation pig house stack formula preheats ventilation unit |
| CN113349069A (en) * | 2021-07-10 | 2021-09-07 | 河南天聚福农牧发展有限公司 | Temperature and humidity intelligent control's environmental protection pig house in house |
| CN113455402A (en) * | 2021-07-28 | 2021-10-01 | 重庆拓福士科技发展有限公司 | Automatic constant-temperature adjusting and controlling system for pen house |
| CN113679090A (en) * | 2021-08-04 | 2021-11-23 | 湖北中烟工业有限责任公司 | Cigar fresh air circulation alcoholization chamber and alcoholization method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109618950B (en) | 2021-07-20 |
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