CN111671117B - Cigarette shred manufacturing step leaf storage process - Google Patents
Cigarette shred manufacturing step leaf storage process Download PDFInfo
- Publication number
- CN111671117B CN111671117B CN202010575368.6A CN202010575368A CN111671117B CN 111671117 B CN111671117 B CN 111671117B CN 202010575368 A CN202010575368 A CN 202010575368A CN 111671117 B CN111671117 B CN 111671117B
- Authority
- CN
- China
- Prior art keywords
- leaf storage
- temperature
- humidity
- leaf
- leaves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B9/00—Control of the moisture content of tobacco products, e.g. cigars, cigarettes, pipe tobacco
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Manufacture Of Tobacco Products (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The invention provides a cigarette shred-making stepped leaf storage process, wherein leaves are fed and then are turned over through a four-stage vibration groove, the leaves are conveyed to a leaf storage cabinet through a conveying belt, low-temperature leaf storage (the temperature is 18-23 ℃ and the relative humidity is 63-66%) or high-temperature leaf storage (the temperature is 28-33 ℃ and the relative humidity is 67-75%) is adopted in the first half period of leaf storage based on the formula design requirement, and the leaves are stored under the temperature and humidity condition which is most suitable for the shredding working condition in the second half period of leaf storage. Temperature and humidity protection measures are arranged above the blade conveying channel, the blade storage cabinet, the discharging conveying vibration groove and the belt. The invention can not only meet the storage condition of tobacco leaves with special requirements, but also ensure the process quality of the shredding procedure, and has simple operation.
Description
Technical Field
The invention relates to the field of cigarette shred manufacturing, in particular to a cigarette shred manufacturing step leaf storage process.
Background
The process task of the leaf storage procedure in the cigarette cut tobacco production process is to ensure that the tobacco flakes fully absorb feed liquid, balance the moisture content and the temperature of the tobacco flakes and play a role in adjusting and balancing the processing time and the production capacity between the tobacco flake processing section and the cut tobacco production section. At present, the tobacco factories in the industry adopt full air conditioning control with the process parameters of 55-65% of relative humidity and 20-30 ℃ of temperature for a tobacco shred manufacturing workshop, and the temperature and the humidity between stored leaves are kept within the process indexes. The method for controlling the temperature and the humidity of the tobacco leaves in the leaf storage cabinet by adopting the method for controlling the temperature and the humidity of the whole environment can achieve the control effect but has the following defects: firstly, the air conditioner energy consumption is big, because will control whole ambient temperature, must just can guarantee the humiture in the whole storage cabinet with enough big control system, as long as there is the material in one storage cabinet in the leaf storage room, whole air conditioning system just can not close, is unfavorable for air conditioning system energy saving and consumption reduction. Secondly, the effect is not ideal, and because the large environment is controlled, the proper temperature and humidity in all the storage cabinets cannot be ensured. Thirdly, the tobacco leaf storage cabinet is not beneficial to the production organization of personalized leaf storage, and if the tobacco leaves with different brands and different prices are stored in the leaf storage cabinet at the same time, the tobacco leaves can be stored only according to the temperature and humidity conditions of the same type of the tobacco leaves, and the requirements of the brand on personalized leaf storage cannot be met. For the tobacco with low quality, when high-strength tobacco storage conditions are needed, if other brands of tobacco storage exist in the tobacco storage house, the problem can be solved only by the mode of peak shifting production, and the production organization is not facilitated.
Disclosure of Invention
In order to solve the defects of the technology, the invention provides the cigarette shred stepped leaf storage process, which can meet the requirements of personalized leaf storage and the requirement of a post-process shredding process under the optimal working condition according to the design requirements of the cigarette formula process.
In order to achieve the aim, the invention adopts the technical scheme that the cigarette shred-making stepped leaf storage process has the design principle that: after the blades are fed, the blades are conveyed into a blade storage cabinet through a four-stage vibration groove and a lifting belt to store the blades, and low-temperature blade storage (or high-temperature blade storage) is implemented on the basis of the requirement of a formula process in the front half section of the blade storage (namely, the blades are stored for N hours according to the formula process design); and in the second half section of the stored leaves (the leaves are continuously stored for T hours according to the formula process design), setting the temperature and humidity conditions of the stored leaves by taking the implementation of the optimal shredding working condition as a target based on the requirements of the production process. After the blades are fed, a flexible fiber air distribution pipe is arranged above a conveying channel entering the blade storage cabinet and a region of the blade storage cabinet, a jet flow nozzle is arranged at an opening of the air pipe, process gas after temperature and humidity are modulated is input into the air pipe to form an air curtain, and local temperature and humidity control is carried out on the blade conveying process and the blade storage cabinet to reduce the loss of moisture on the surface of the tobacco flakes. And the control system of the air conditioner host is improved, so that a single leaf storage cabinet can be controlled.
The cigarette shred-making stepped leaf storage process is characterized by comprising the following process routes:
blade charging → turning of primary conveying vibration groove → turning of secondary conveying vibration groove → turning of tertiary conveying vibration groove → turning of quaternary conveying vibration groove → belt conveying → storage tank (storing leaves in the first half time → storing leaves in the second half time) → post-processing
The leaf storage in the first half period is low-temperature leaf storage or high-temperature leaf storage, and the leaf storage parameters are as follows: the low-temperature leaf storage temperature is 18-23 ℃, and the relative humidity is 63% -66%; the high-temperature leaf storage temperature is 28-33 ℃, and the relative humidity is 67-75%.
And the leaf storage condition suitable for the optimal shredding working condition is set in the second half period of time.
Preferably, the height of the blades in the blade storage cabinet is less than or equal to 0.8 m.
Preferably, in the process of turning the first-stage vibrating groove to the fourth-stage vibrating groove, more than 50% of the blades on each stage of vibrating groove can be turned over.
Preferably, the most suitable environmental temperature and humidity of the enterprise under the shredding working condition can be found by inquiring historical data under the leaf storage condition under the optimal shredding working condition.
The cigarette shred-making stepped leaf storage process is characterized by comprising the following implementation steps of:
the method comprises the following steps: after the blades are charged, the conveying vibration groove and the side (two sides) of the belt are arranged before entering the cabinet, the blade storage cabinet and the discharged conveying vibration groove in the blade storage room and the belt are arranged at proper positions, a fiber air distribution pipe capable of controlling local temperature and humidity is arranged, and a jet nozzle is arranged at an opening of the air pipe;
step two: the method comprises the following steps of modifying a leaf storage room heating and ventilating air conditioning system, adding a small air conditioning unit which has the functions of temperature control and humidity control and meets the air quantity requirement according to the requirement, adding a main air supply pipeline from an air conditioning room to the leaf storage room, adding hardware systems such as 'tail end pressurization' and 'branch valve control direction' and greatly adding tail end temperature and humidity detection and feedback points after entering the leaf storage room;
step three: the process is debugged, the connecting pipelines, the air volume and the air speed meet the requirements, and the stepped leaf storage can be carried out after the temperature and humidity detection at the tail end meets the process requirements;
step four: before feeding the leaves and then feeding the leaves into a leaf storage cabinet, setting temperature and humidity conditions of the leaf storage cabinet according to formula process requirements, if the leaves need to be stored at low temperature, setting the temperature to be 18-23 ℃ and the relative humidity to be 63% -66%; if high-temperature leaf storage is needed, setting the temperature to be 28-33 ℃ and the relative humidity to be 67% -75%;
step five: after the leaf storage time reaches N hours, adjusting the temperature and humidity of the leaf storage cabinet to be suitable for the leaf storage condition of the optimal shredding condition, and continuously storing the leaves for T hours;
step six: and after the blades in the blade storage cabinet are completely discharged out of the cabinet, closing the air conditioning unit for controlling the temperature and the humidity of the blade storage cabinet.
Further, in the first step, fiber air distribution pipes with different pipe diameters can be installed according to different positions, and the hole diameters of the openings of the air pipes can be set to be different according to process requirements.
Further, in the second step, an electromagnetic valve can be installed on the control system, so that intelligent control is realized.
Further, in the third step, the leaf storage condition suitable for the optimal shredding condition is that the environment temperature and humidity most suitable for the shredding working condition of the enterprise are found by inquiring historical data.
Further, in the fifth step, N is more than or equal to 2, and T is more than or equal to 1.
The advantages of the invention are mainly expressed in the following three aspects:
firstly, the storage condition of the tobacco leaves with special requirements can be met, such as the requirement of high-strength storage of low-quality tobacco leaves and the requirement of low-processing-strength storage of high-grade tobacco leaves;
second, the sensory quality of a particular leaf group can be improved;
thirdly, the moisture content of the shredded tobacco is more uniform, and the breakage is effectively reduced.
Detailed Description
The technical solution of the present invention is further illustrated by the following examples, but the scope of protection claimed is not limited thereto.
Example 1: taking the application of the invention in tobacco leaf storage rooms of tobacco shred manufacturing workshops of A cigarette factories as an example, high-strength leaf storage needs to be carried out on a brand number X leaf group.
The method comprises the following steps: after the feeding of the yarn making blade feeding line A, a four-stage conveying vibration groove is arranged, and fiber air distribution pipes capable of controlling local temperature and humidity are arranged at appropriate positions of the conveying vibration groove and the side of a belt about 200 meters (double lines) after feeding and before cabinet feeding, and 12 groups of leaf storage cabinets in a leaf storage room, the discharging conveying vibration groove and the belt;
step two: the method comprises the steps of modifying an air conditioning unit of a shred-making No. 1 air conditioning room, adding two small air conditioning units with air volume of 12000 cubic meters per hour and temperature and humidity control capacity of 16000 cubic meters per hour, adding two main air supply pipelines from an air conditioning room to a leaf storage room, adding hardware systems such as 'tail end pressurization' and 'branch valve control direction' after entering the leaf storage room, installing electromagnetic valves to realize intelligent control, and setting temperature and humidity detection and feedback points for fiber air distribution pipes of each group of leaf storage cabinets;
step three: carrying out process debugging, and detecting the temperature and humidity of the tail end to meet the process requirements;
step four: implementing a high-strength leaf storage process of low-quality tobacco leaves in a No. 3 leaf storage cabinet, and after feeding leaves, setting and controlling the air-conditioning temperature of the leaf storage cabinet to be 33 ℃ and the relative humidity to be 68%;
step five: after 5 hours of leaf storage, setting the temperature and humidity of the leaf storage cabinet to be 25 ℃ and 65% of relative humidity (by inquiring historical data, the shredding quality of the workshop is optimal under the environmental conditions of 25 ℃ and 65% of relative humidity), and continuously storing for more than 2 hours until the production of the next procedure can be arranged for the batch of leaves;
step six: and after the blades in the 3# blade storage cabinet are completely discharged out of the cabinet, closing the air conditioning unit for controlling the blade storage cabinet.
The advantageous effects of the present invention will be described below by specific data.
1. The production organization is convenient: only the 3# leaf storage cabinet is used for ladder leaf storage in the leaf storage room, and other leaf storage cabinets can be used for normally storing the marks of conventional leaf storage at the same time without the need of peak shifting production, so that the production organization is facilitated.
2. Water content of cut tobacco
After the cigarette leaf group with the brand number X is subjected to the step leaf storage process, the cut tobacco moisture content data of 10 batches are recorded, and the results are shown in table 1.
TABLE 1 data sheet of cut tobacco moisture content after step leaf storage process of X-brand leaf group
Serial number | Mean value/degree of cut water content | Standard deviation/% of cut water content |
1 | 18.97 | 0.040 |
2 | 19.21 | 0.046 |
3 | 19.57 | 0.039 |
4 | 19.63 | 0.033 |
5 | 19.45 | 0.035 |
6 | 19.34 | 0.042 |
7 | 19.24 | 0.041 |
8 | 19.16 | 0.044 |
9 | 19.66 | 0.036 |
10 | 19.78 | 0.043 |
Mean value of | 19.40 | 0.038 |
As can be seen from Table 1, after the step leaf storage process was performed, the cut tobacco moisture content was only 0.038%, whereas the average cut tobacco moisture content under the existing process conditions was 0.056%. The moisture content of the cut tobacco is controlled more stably after the step leaf storage process is implemented.
3. Sensory quality
After comparative smoking and the step leaf storage process, the sensory smoking score of the X-brand is improved by 0.1.
Example 2: taking the application of the invention in the leaf storage house of the B cigarette factory as an example, the low-strength leaf storage needs to be carried out on the brand Y leaf group.
The method comprises the following steps: after the charging of the tobacco shred producing blade section, a four-stage conveying vibration groove is arranged, and a fiber air distribution pipe capable of controlling local temperature and humidity is arranged at the side of the conveying vibration groove and the belt about 160 meters (double lines) after charging and before cabinet entering, and at the proper positions of 8 groups of leaf storage cabinets in a leaf storage room, a discharging conveying vibration groove and the belt;
step two: the existing leaf storage room heating ventilation air conditioning system is reformed, hardware systems such as 'tail end pressurization' and 'branch valve control direction' are added, electromagnetic valves are installed to realize intelligent control, and temperature and humidity detection and feedback points are arranged on fiber air distribution pipes of each group of leaf storage cabinets;
step three: carrying out process debugging, and detecting the temperature and the humidity of the tail end until the process requirements are met;
step four: implementing a low-strength leaf storage process of high-grade tobacco leaves in a No. 1 leaf storage cabinet, and after feeding leaves, setting and controlling the air-conditioning temperature of the leaf storage cabinet to be 20 ℃ and the relative humidity to be 63%;
step five: after storing the leaves for 3 hours, setting the temperature and humidity of the leaf storage cabinet to be 27 ℃ and 68% of relative humidity (by inquiring historical data, the shredding quality of the workshop is optimal under the environmental conditions of 27 ℃ and 68% of relative humidity), and continuously storing for more than 2 hours until the production of the next working procedure can be arranged for the batch of leaves;
step six: and after the blades in the No. 1 leaf storage cabinet are completely discharged out of the cabinet, closing the air conditioning unit for controlling the temperature and the humidity of the leaf storage cabinet.
The advantageous effects of the present invention will be described below by specific data.
1. The production organization is convenient: only the 1# leaf storage cabinet is used for carrying out step leaf storage in the leaf storage room, and other leaf storage cabinets can normally store the conventional leaf storage brands at the same time without the need of peak shifting production, so that the production organization is facilitated.
2. Water content of cut tobacco
After the cigarette leaf group with the brand Y is subjected to the step leaf storage process, the cut tobacco moisture content data of 10 batches are recorded, and the results are shown in table 2.
TABLE 2Y-brand leaf set cut-tobacco moisture content data table after implementing step leaf storage process
Serial number | Mean value/degree of cut water content | Standard deviation/% of cut water content |
1 | 20.61 | 0.041 |
2 | 20.12 | 0.038 |
3 | 20.32 | 0.035 |
4 | 19.90 | 0.043 |
5 | 20.21 | 0.045 |
6 | 20.52 | 0.040 |
7 | 19.40 | 0.037 |
8 | 19.71 | 0.031 |
9 | 19.93 | 0.036 |
10 | 20.22 | 0.043 |
Mean value of | 20.11 | 0.039 |
As can be seen from Table 1, after the step leaf storage process was performed, the cut tobacco moisture content was only 0.039%, whereas the average cut tobacco moisture content under the existing process conditions was 0.056%. The moisture content of the cut tobacco is controlled more stably after the step leaf storage process is implemented.
3. Sensory quality
After comparative smoking and the implementation of the step leaf storage process, the sensory smoking score of the Y-brand is improved by 0.05.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The stepped tobacco storage process for cigarette shred making is characterized by comprising the following steps of:
blade feeding → turning of a primary conveying vibration groove → turning of a secondary conveying vibration groove → turning of a tertiary conveying vibration groove → turning of a fourth-stage conveying vibration groove → belt conveying → storage of leaves in the front half of the leaf storage cabinet → storage of leaves in the rear half of the leaf storage cabinet → subsequent processing;
the process comprises the following implementation steps:
the method comprises the following steps: after the blades are fed and before the blades are fed into the cabinet, the conveying vibration groove, the two sides of the belt, the blade storage cabinet and the discharging conveying vibration groove in the blade storage room are provided with fiber air distribution pipes capable of controlling local temperature and humidity, and the openings of the fiber air distribution pipes are provided with jet nozzles;
step two: the method comprises the following steps of modifying a leaf storage room heating and ventilating air conditioning system, adding a small air conditioning unit which has the functions of temperature control and humidity control and meets the air quantity requirement according to the requirement, adding a main air supply pipeline from an air conditioning room to the leaf storage room, adding a tail end pressurization and branch valve control hardware system after entering the leaf storage room, and greatly increasing tail end temperature and humidity detection and feedback points;
step three: the process is debugged, the connecting pipelines, the air volume and the air speed meet the requirements, and the stepped leaf storage can be carried out after the temperature and humidity detection at the tail end meets the process requirements;
step four: before feeding the leaves and then feeding the leaves into a leaf storage cabinet, setting temperature and humidity conditions of the leaf storage cabinet according to formula process requirements, if the leaves need to be stored at low temperature, setting the temperature to be 18-23 ℃ and the relative humidity to be 63% -66%; if high-temperature leaf storage is needed, setting the temperature to be 28-33 ℃ and the relative humidity to be 67% -75%;
step five: after the leaf storage time reaches N hours, adjusting the temperature and humidity of the leaf storage cabinet to be suitable for the leaf storage condition of the optimal shredding condition, and continuously storing the leaves for T hours;
step six: and after the blades in the blade storage cabinet are completely discharged out of the cabinet, closing the air conditioning unit for controlling the temperature and the humidity of the blade storage cabinet.
2. The stepwise tobacco leaf storage process for cigarette shreds according to claim 1, wherein the tobacco leaf storage condition in the latter half of the tobacco leaf storage cabinet is set to a tobacco leaf storage condition suitable for the optimum shredding condition.
3. The cigarette tobacco shred manufacturing step leaf storage process according to claim 1 or 2, wherein the height of the leaves in the leaf storage cabinet is less than or equal to 0.8 m.
4. The cigarette primary tobacco shred step tobacco leaf storage process according to claim 1, wherein in the first step, fiber air distribution pipes with different pipe diameters are installed according to different positions, and the hole diameters of the fiber air distribution pipes can be set differently according to process requirements.
5. The cigarette primary tobacco processing stepped leaf storage process according to claim 1, wherein in the second step, an electromagnetic valve is installed on a control system to realize intelligent control.
6. The cigarette shred stepped leaf storage process according to claim 1, wherein in the fifth step, the leaf storage condition suitable for the optimal shred cutting condition is that the environment temperature and humidity which are most suitable for the shred cutting working condition of the enterprise are found by inquiring historical data.
7. The cigarette primary tobacco processing step leaf storage process according to claim 1, wherein in step five, N is not less than 2, and T is not less than 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010575368.6A CN111671117B (en) | 2020-06-22 | 2020-06-22 | Cigarette shred manufacturing step leaf storage process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010575368.6A CN111671117B (en) | 2020-06-22 | 2020-06-22 | Cigarette shred manufacturing step leaf storage process |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111671117A CN111671117A (en) | 2020-09-18 |
CN111671117B true CN111671117B (en) | 2022-05-17 |
Family
ID=72456131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010575368.6A Active CN111671117B (en) | 2020-06-22 | 2020-06-22 | Cigarette shred manufacturing step leaf storage process |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111671117B (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2631235Y (en) * | 2003-06-25 | 2004-08-11 | 金涧 | Cut tobacco and tobacco leaf air conditionering storage cabinet |
CN200959815Y (en) * | 2006-11-06 | 2007-10-17 | 云南烟草科学研究院 | Storage cabinet capable of controlling temperature and humidity and automatic spraying |
CN101946975A (en) * | 2010-09-14 | 2011-01-19 | 中国烟草总公司郑州烟草研究院 | Processing technique for manufacturing golden tobacco shreds |
CN103005667A (en) * | 2011-09-28 | 2013-04-03 | 广西中烟工业有限责任公司 | Device and method for improving cigarette shredding quality |
CN106723261A (en) * | 2017-01-25 | 2017-05-31 | 广西中烟工业有限责任公司 | The control technique and its system of a kind of leaf temperature moisture |
CN108308691A (en) * | 2018-01-19 | 2018-07-24 | 红塔烟草(集团)有限责任公司 | A method of promoting tobacco scrap prodn quality stability |
-
2020
- 2020-06-22 CN CN202010575368.6A patent/CN111671117B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2631235Y (en) * | 2003-06-25 | 2004-08-11 | 金涧 | Cut tobacco and tobacco leaf air conditionering storage cabinet |
CN200959815Y (en) * | 2006-11-06 | 2007-10-17 | 云南烟草科学研究院 | Storage cabinet capable of controlling temperature and humidity and automatic spraying |
CN101946975A (en) * | 2010-09-14 | 2011-01-19 | 中国烟草总公司郑州烟草研究院 | Processing technique for manufacturing golden tobacco shreds |
CN103005667A (en) * | 2011-09-28 | 2013-04-03 | 广西中烟工业有限责任公司 | Device and method for improving cigarette shredding quality |
CN106723261A (en) * | 2017-01-25 | 2017-05-31 | 广西中烟工业有限责任公司 | The control technique and its system of a kind of leaf temperature moisture |
CN108308691A (en) * | 2018-01-19 | 2018-07-24 | 红塔烟草(集团)有限责任公司 | A method of promoting tobacco scrap prodn quality stability |
Also Published As
Publication number | Publication date |
---|---|
CN111671117A (en) | 2020-09-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101708406B (en) | Group control method of blast furnace gas cloth bag dust catcher system for pipeline dust conveying | |
CN108369062B (en) | Balanced type drying system | |
CN104121650A (en) | Energy-saving centralized air conditioning dehumidification system for tobacco mellowing warehouse and control method | |
CN111671117B (en) | Cigarette shred manufacturing step leaf storage process | |
CN111685358B (en) | Control system and method for single cigarette cabinet leaf storage process | |
AU2020104160A4 (en) | Solar greenhouse piping system with ventilation and carbon dioxide supply functions | |
CN208095582U (en) | A kind of dusting device of adjustable flow | |
CN106811807B (en) | Seed cotton moisture regain adjusting system and method before cotton ginning | |
CN208952323U (en) | A kind of temperature and humidity control device of energy-saving and water-saving type spinning and weaving workshop | |
CN203980526U (en) | Energy-saving central air conditioning dehumidification system for tobacco mellowing warehouse | |
CN207778650U (en) | A kind of low dew point dehumidification system energy saver of humiture, cleanliness factor sub-control | |
CN202089891U (en) | System for treating air in glass fiber drawing and molding area | |
CN209772936U (en) | Automatic cleaning device for detection switch | |
CN206275161U (en) | A kind of energy-saving ventilation drying system of tobacco leaf alcoholizing pool | |
CN113000382A (en) | Novel fluidized bed airflow cooling control system and control method thereof | |
CN209456804U (en) | A kind of papermaking humidifier | |
CN101966935B (en) | Tobacco material pneumatic conveying equipment with temperature rising | |
CN113915694A (en) | Air conditioning system for cigarette factory cigarette receiving and wrapping workshop | |
CN203657154U (en) | Air conditioner air supply device of automatic winding machine | |
CN103743073B (en) | The air-conditioner air supply device of automatic winder | |
CN214366596U (en) | Compressed gas supply device for float glass production line | |
CN111502963A (en) | Grading utilization system and method for compressed air of thermal power plant | |
CN206514487U (en) | A kind of Blulked continuous Filament spinning workshop air-supply arrangement | |
CN104848447A (en) | Combined efficient air conditioner unit | |
CN218790470U (en) | Air control system of circulating fan of open-loop cigarette making machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |