CN202190557U - Equipment unit capable of regulating tobacco leaf storage environment by mechanical nitrogen charging - Google Patents
Equipment unit capable of regulating tobacco leaf storage environment by mechanical nitrogen charging Download PDFInfo
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- CN202190557U CN202190557U CN2011202576760U CN201120257676U CN202190557U CN 202190557 U CN202190557 U CN 202190557U CN 2011202576760 U CN2011202576760 U CN 2011202576760U CN 201120257676 U CN201120257676 U CN 201120257676U CN 202190557 U CN202190557 U CN 202190557U
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Abstract
The utility model relates to an equipment unit capable of regulating a tobacco leaf storage environment by mechanical nitrogen charging. The multifunctional and environmental-friendly equipment unit capable of regulating the tobacco leaf storage environment by the mechanical nitrogen charging is characterized by comprising a main blast pipe, a first valve, a centrifugal blower, a first air supplement pipe, a second valve, a first air pipe, a third valve, a dehumidifier, a second air pipe, a fourth valve and a nitrogen producing machine; one end of the main blast pipe is positioned in a tobacco leaf warehouse, the other end of the main blast pipe is communicated with an air outlet of the centrifugal blower; the nitrogen producing machine is communicated with the main blast pipe through the second air pipe; and the dehumidifier is communicated with an air inlet of the centrifugal blower through the first air pipe. The equipment unit has the characteristics of multiple functions and environmental protection.
Description
Technical field
The utility model relates to the equipment unit that a kind of machinery fills nitrogen regulation and control tobacco leaf warehousing environment.
Background technology
The safety of tobacco leaf stores and to guarantee the quality with maintenance is the important topic of tobacco enterprise, need resolve insect protected, mildew-resistant, ventilation, dehumidifying, the promotion tobacco natural alcoholization of tobacco leaf between the storage life, improve the problems such as sucking quality of tobacco leaf.Former, the insect protected of tobacco leaf mainly is that to rely on phosphine gas to carry out airtight stifling, though this method insecticidal effect is obvious, the phosphine severe toxicity, the warehouse inner metal component is corrosive again.In addition; Dehumidification equipment need be opened at spring and summer high temperature, high humidity season in present tobacco leaf warehouse; Need force ventilation to improve the storage condition condition in autumn and winter season, multiple function need dispose in the tobacco leaf warehouse plurality of devices is installed more than accomplishing, and present present situation is: 1. rely on the phosphine fumigation desinsection merely; Method falls behind, and environmental pollution is serious; 2. various device is complicated in the warehouse, pipeline repeats to be provided with, the investment waste is serious, the maintenance management cost is high between the operating period; 3. ventilate, remove the wet trade demand side between whole tobacco leaf storehouse, the equipment live load is big, long operational time, energy consumption are big.
In order to address the above problem; The applicant has declared the patent (application number: 201120142348.6) of " can machinery regulation and control warehousing environment tobacco leaf stack six sealed plastic tents " on May 6th, 2011; Need be between whole storehouse be the storage difficult problem that tobacco leaf is regulated and control, managed to object before this patent has solved, but the technology of the equipment configuration aspect that shortage matches; I have also applied for " a kind of machinery regulation and control, environmental protection sheet cigarette storage method " patent (application number: 201110115754.8) on May 6th, 2011; Though this patent has proposed the brand-new tobacco leaf storage method of a cover; But still be based on the technological means that adopts traditional phosphine fumigation desinsection, also lack the technological means of how tobacco leaf storage initial stage and storage later stage being carried out special management.
Summary of the invention
The purpose of the utility model is to provide a kind of multi-functional, equipment unit that environmental protection machinery fills nitrogen regulation and control tobacco leaf warehousing environment, characteristics multi-functional, environmental protection that this system has.
To achieve these goals; The technical scheme that the utility model is taked is: a kind of multi-functional, environmental protection machinery fills the equipment unit of nitrogen regulation and control tobacco leaf warehousing environment, it is characterized in that it comprises main blast pipe, first valve, centrifugal blower, first secondary air channel, second valve, first airduct, the 3rd valve, dehumidifier, second airduct, the 4th valve, nitrogen making machine;
One end of main blast pipe is positioned at the tobacco leaf warehouse, and the other end of main blast pipe is positioned at outside the tobacco leaf warehouse and with the air outlet of centrifugal blower and is connected, and main blast pipe is provided with first valve; The air inlet of centrifugal blower is connected with an end of first secondary air channel, and first secondary air channel is provided with second valve; The output of second airduct is connected with main blast pipe through three-way connection, and the input of second airduct is connected with the air outlet of nitrogen making machine, and second airduct is provided with the 4th valve, and the output of second airduct is positioned at outside the tobacco leaf warehouse; First valve is between the air outlet of the output of second airduct and centrifugal blower; The output of first airduct is connected with first secondary air channel, and the output of first airduct is between the air inlet of second valve and centrifugal blower, and the input of first airduct is connected with the air outlet of dehumidifier, and first airduct is provided with the 3rd valve.
Above-mentionedly be built into one and have folk prescription to ventilating, dehumidify and filling the device systems of the machinery regulation and control tobacco leaf storage condition of nitrogen function.
By technique scheme, the air inlet of described dehumidifier is connected with the output of main air draft by the 3rd airduct, and the output of main air draft is positioned at outside the tobacco leaf warehouse, and the input of main air draft is positioned at the tobacco leaf warehouse, and the 3rd airduct is provided with the 6th valve;
Leading to the 4th airduct on first secondary air channel between the air inlet of described second valve and centrifugal blower (is that described first secondary air channel is connected with the output of the 4th airduct; The output of the 4th airduct is between the air inlet of second valve and centrifugal blower); The input of the 4th airduct is connected with the output of main air draft through three-way connection, and the 4th airduct is provided with the 7th valve;
The 3rd airduct is connected with an end of second secondary air channel, and an end of second secondary air channel is between the air inlet of the 6th valve and dehumidifier, and second secondary air channel is provided with the 5th valve.
One of above-mentioned structure has the dehumidifying of circulation machinery, the device systems of the machinery regulation and control tobacco leaf storage condition of nitrogen insecticidal function is filled in circulation.
By technique scheme, described main air draft is provided with the frequency conversion air exhauster.
By technique scheme, described main blast pipe is connected with an end of exhaust duct, and an end of exhaust duct is between the air outlet of first valve and centrifugal blower, and exhaust duct is provided with the 8th valve.
The beneficial effect of the utility model is:
1, adopts main blast pipe, first valve, centrifugal blower, first secondary air channel, second valve, first airduct, the 3rd valve, dehumidifier, second airduct, the 4th valve, nitrogen making machine; Can realize that folk prescription to ventilating, dehumidify and filling the nitrogen function, has multi-functional characteristics.Adopt nitrogen making machine in the tobacco leaf warehouse, to fill nitrogen, can substitute the traditional phosphine fumigation insecticidal technology of tobacco business fully, rely on the nitrogen-rich gas disinsection mold-proof of nitrogen making machine formation, meet green, environmental protection, principle efficiently, have the characteristics of environmental protectionization.
2, the various storage condition adjusting devices that use in the tobacco leaf warehouse are incorporated in the equipment platform, a shared ventilation shaft, a shared electric control operation platform can be saved equipment investment and maintenance cost greatly;
3, rely on two fan blowers can realize folk prescription to or circulation force ventilation, folk prescription to or multiple functions such as circulating dehumidification, auxiliary nitrogen making machine trouble-free operation, rely on the smooth conversion that a plurality of valves that are provided with on the equipment platform and electric-control system can be realized the multiple function of device systems.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
Fig. 3 is the structural representation of the utility model embodiment 3.
Fig. 4 is the structural representation of the utility model application example 1.
Fig. 5 is the structural representation of the utility model application example 2.
Fig. 6 is the structural representation of the utility model application example 3.
Fig. 7 is the structural representation of the utility model application example 4.
Among the figure: 1-master's blast pipe, 2-first valve, 3-centrifugal blower, 4-first secondary air channel, 5-second valve; 6-first airduct, 7-the 3rd valve, 8-dehumidifier, 9-second airduct, 10-the 4th valve; The 11-nitrogen making machine, 12-the 5th valve, 13-the 3rd airduct, 14-the 6th valve, 15-the 7th valve; 16-the 4th airduct, 17-frequency conversion air exhauster, 18-main air draft, 19-exhaust duct, 20-the 8th valve; 21-second secondary air channel, 22-first branch vent, 23-second branch vent, 24-tobacco leaf stack plastic seal tent, 25-tobacco leaf warehouse.
Embodiment
Embodiment 1:
As shown in Figure 1; A kind of multi-functional, environmental protection machinery fills the equipment unit of nitrogen regulation and control tobacco leaf warehousing environment, and it comprises main blast pipe 1, first valve 2, centrifugal blower 3, first secondary air channel 4, second valve 5, first airduct 6, the 3rd valve 7, dehumidifier 8, second airduct 9, the 4th valve 10, nitrogen making machine 11;
One end of main blast pipe 1 is positioned at tobacco leaf warehouse (promptly drawing a main blast pipe 1 from the tobacco leaf warehouse), and the other end of main blast pipe 1 is positioned at outside the tobacco leaf warehouse and with the air outlet of centrifugal blower 3 and is connected, and main blast pipe 1 is provided with first valve 2; The air inlet of centrifugal blower 3 is connected with an end of first secondary air channel 4, and first secondary air channel 4 is provided with second valve 5; The output of second airduct 9 is connected with main blast pipe 1 through three-way connection; The input of second airduct 9 be connected with the air outlet of nitrogen making machine 11 (being that nitrogen making machine 11 is connected with main blast pipe 1 through second airduct 9); The output that second airduct 9 is provided with the 4th valve 10, the second airducts 9 is positioned at outside the tobacco leaf warehouse; First valve 2 is between the air outlet of the output of second airduct 9 and centrifugal blower 3; The output of first airduct 6 is connected with first secondary air channel 4; The output of first airduct 6 is between the air inlet of second valve 5 and centrifugal blower 3; The input of first airduct 6 is connected with the air outlet of dehumidifier 8 (air outlet that is dehumidifier 8 is connected with first secondary air channel 4 through first airduct 6), and first airduct 6 is provided with the 3rd valve 7.
Described centrifugal blower 3, dehumidifier 8 and nitrogen making machine 11 are arranged on the cluster tool platform.
Above-mentionedly be built into one and have folk prescription to ventilating, dehumidify and filling the device systems of the machinery regulation and control tobacco leaf storage condition of nitrogen function.
Embodiment 2:
As shown in Figure 2; A kind of multi-functional, environmental protection machinery fills the equipment unit of nitrogen regulation and control tobacco leaf warehousing environment, and it comprises main blast pipe 1, first valve 2, centrifugal blower 3, first secondary air channel 4, second valve 5, first airduct 6, the 3rd valve 7, dehumidifier 8, second airduct 9, the 4th valve 10, nitrogen making machine 11;
One end of main blast pipe 1 is positioned at tobacco leaf warehouse (promptly drawing a main blast pipe 1 from the tobacco leaf warehouse), and the other end of main blast pipe 1 is positioned at outside the tobacco leaf warehouse and with the air outlet of centrifugal blower 3 and is connected, and main blast pipe 1 is provided with first valve 2; The air inlet of centrifugal blower 3 is connected with an end of first secondary air channel 4, and first secondary air channel 4 is provided with second valve 5; The output of second airduct 9 is connected with main blast pipe 1 through three-way connection; The input of second airduct 9 be connected with the air outlet of nitrogen making machine 11 (being that nitrogen making machine 11 is connected with main blast pipe 1 through second airduct 9); The output that second airduct 9 is provided with the 4th valve 10, the second airducts 9 is positioned at outside the tobacco leaf warehouse; First valve 2 is between the air outlet of the output of second airduct 9 and centrifugal blower 3; The output of first airduct 6 is connected with first secondary air channel 4; The output of first airduct 6 is between the air inlet of second valve 5 and centrifugal blower 3; The input of first airduct 6 is connected with the air outlet of dehumidifier 8 (air outlet that is dehumidifier 8 is connected with first secondary air channel 4 through first airduct 6), and first airduct 6 is provided with the 3rd valve 7.
The air inlet of described dehumidifier 8 is connected with the output of main air draft 18 by the 3rd airduct 13; The output of main air draft 18 is positioned at outside the tobacco leaf warehouse; The input of main air draft 18 is positioned at tobacco leaf warehouse (promptly drawing a main air draft 18 from the tobacco leaf warehouse), and the 3rd airduct 13 is provided with the 6th valve 14;
Described second valve 5 and centrifugal blower 3) air inlet between first secondary air channel 4 on to lead to the 4th airduct 16 [be that described first secondary air channel 4 is connected with the output of the 4th airduct 16; The output of the 4th airduct 16 is between the air inlet of second valve 5 and centrifugal blower 3]; The input of the 4th airduct 16 is connected through the output of three-way connection with main air draft 18, and the 4th airduct 16 is provided with the 7th valve 15;
The 3rd airduct 13 is connected with an end of second secondary air channel 21; One end of second secondary air channel 21 is between the air inlet of the 6th valve 14 and dehumidifier 8, and second secondary air channel 21 is provided with the 5th valve 12 (promptly on the 3rd airduct 13 between the air inlet at the 6th valve 14 and dehumidifier 8, being connected second secondary air channel 21 that is serially connected with the 5th valve 12 through three-way connection).
One of above-mentioned structure has the dehumidifying of circulation machinery, the device systems of the machinery regulation and control tobacco leaf storage condition of nitrogen insecticidal function is filled in circulation.
Embodiment 3:
As shown in Figure 3, identical with embodiment 2, and described main air draft 18 is provided with frequency conversion air exhauster 17.Described frequency conversion air exhauster 17 is set in place on the cluster tool platform outside the tobacco leaf warehouse.
Embodiment 4:
As shown in Figure 3; Identical with embodiment 3; Described main blast pipe 1 is connected with an end of exhaust duct 19; One end of exhaust duct 19 is between the air outlet of first valve 2 and centrifugal blower 3, and exhaust duct 19 is provided with the 8th valve 20 (promptly on the air outlet and the main blast pipe 1 between first valve 2 of centrifugal blower 3, connecting an exhaust duct 19 that is serially connected with the 8th valve 20 through three-way connection).
The use operation operational mode of equipment unit:
1, in the tobacco leaf warehouse folk prescription to air blast:
Open first valve 2, second valve 5, start centrifugal blower 3, other valve and equipment all are in the state of closing down, promptly can realize through main blast pipe 1 in the tobacco leaf warehouse folk prescription to the air blast operation;
2, folk prescription dehumidifies to air blast in the tobacco leaf warehouse:
Open first valve 2, the 3rd valve 7, the 5th valve 12, start centrifugal blower 3, dehumidifier 8, other valve and equipment all are in the state of closing down, promptly can realize through main blast pipe 1 in the tobacco leaf warehouse folk prescription to except that wet trade.
3, in the tobacco leaf warehouse folk prescription to filling the nitrogen fumigant insect killing:
Open the 4th valve 10, start nitrogen making machine 11, other valve and equipment all are in the state of closing down, promptly can through main blast pipe 1 realization in the warehouse folk prescription to filling the nitrogen fumigant insect killing.
4, the circulating dehumidification that combines with exhausting of air blast dehumidifying
Open first valve 2, the 3rd valve 7, the 6th valve 14; Start frequency conversion air exhauster 17, dehumidifier 8, centrifugal blower 3; Other valve and equipment all are in the state of closing down, and promptly can realize carrying out the circulating dehumidification operation that air blast combines with exhausting through main blast pipe 1 with main air draft 18.
5, machinery fills the nitrogen that fills that nitrogen combines with exhausting and fumigates operation in the tobacco leaf warehouse:
1. open the 4th valve 10, the 7th valve 15, the 8th valve 20, start nitrogen making machine 11, centrifugal blower 3, the nitrogen that this moment, nitrogen making machine produced relies on the pressure of nitrogen making machine to be input in the warehouse through main blast pipe 1 automatically.Because nitrogen making machine system nitrogen amount is generally at 50～500 cubic metres/hour; And the work air quantity of centrifugal blower 3 is generally between 2000～5000 cubic metres/hour; Realize the air quantity coupling of the said equipment circular flow; Will open second valve 5 mend wind this moment, makes: the air quantity of " through the air quantity of second valve 5+" ≈ centrifugal blower 3 through the air quantity of the 7th valve 15, at this moment: through the product nitrogen amount of the air quantity ≈ nitrogen making machine 11 of main air draft 18 and the 7th valve 15.
2. open second valve 5, the 7th valve 15, start nitrogen making machine 11, frequency conversion air exhauster (17), the nitrogen that this moment, nitrogen making machine produced relies on the pressure of nitrogen making machine to be input in the warehouse through main blast pipe 1 automatically.Because nitrogen making machine system nitrogen amount is generally at 50～500 cubic metres/hour; Adjustment operate powers and air quantity are with the coupling of circular flow air quantity between the system nitrogen amount that realizes nitrogen making machine and the air exhauster 17 automatically for frequency conversion air exhauster 17, and make: the nitrogen of nitrogen making machine 11 outputs can evenly successfully be transported to corresponding tobacco leaf and seal in the stacking.
The application of the utility model:
Make up six sealings can machinery regulation and control warehousing environment the tobacco leaf stack sealing space: at first take up an area of size according to tobacco leaf stack pile on warehouse floor; Make plastic mattress end liner cloth and place mat that a square area takes up an area of size greater than pile on warehouse floor with plastic film, then pile tobacco leaf on plastic mattress end liner cloth; Re-use plastic film covers usefulness according to the sized of the good tobacco leaf stack of pile plastic seal tent; The plastic seal tent is covered on the tobacco leaf stack; Carrying out the pressing sealing near between the shirt rim on ground and the plastic mattress end liner cloth around the plastic seal tent, the tobacco leaf stack that pile is good is wrapped and is trapped among in the seal cavity of plastic seal tent and the formation of plastic mattress end liner cloth again; Respectively on any two each other corresponding sides of plastic seal tent, or one group of air inlet control joint (one group of air inlet control joint has 1-19 air inlet control joint) and one group of control joint of giving vent to anger (one group give vent to anger control joint have individual the giving vent to anger of 1-19 to control joint) are set respectively on plastic seal tent and plastic mattress end liner cloth respectively; Or on plastic mattress end liner cloth, establish one group of air inlet control joint or one group of control joint of giving vent to anger, then on the plastic seal tent, establish corresponding one group of give vent to anger control joint or one group of air inlet control joint; Joint is controlled in air inlet, an end of the control joint of giving vent to anger is positioned at the plastic seal tent and the outside of the confined space that plastic mattress end liner cloth is surrounded, and the other end of air inlet control joint, the control joint of giving vent to anger is positioned at the inside of plastic seal tent and plastic mattress end liner confined space that cloth surrounds;
Above-mentioned plastic seal tent and plastic mattress end liner cloth constitute the tobacco leaf stack plastic seal tent that can realize machinery regulation and control tobacco leaf storage condition;
After main blast pipe 1 and main air draft 18 are introduced in the tobacco leaf warehouses, can be according to the tobacco leaf stack force ventilation and the environment conditioning system (Fig. 4, Fig. 5, Fig. 6, Fig. 7) of the one retable material tent of any structure in following method sealing:
1) for one group of tobacco leaf stack plastic seal tent; The branch vent 22 that air inlet on first tobacco leaf stack plastic seal tent is controlled above the main blast pipe 1 in joint (or the control joint of giving vent to anger) and the introducing warehouse is connected; Give vent to anger control joint (or air inlet control joint) then with the next tobacco leaf stack plastic seal tent that closes on air inlet control joint (or the control joint of giving vent to anger) link through flexible pipe; By that analogy; To the last on tobacco leaf stack plastic seal tent give vent to anger the control joint with introduce the warehouse in the main air draft 18 second top branch vents 23 be connected, just can constitute a tent and seal the ventilation system that stacking is connected each other with characteristics of energy saving;
2) for one group of tobacco leaf stack plastic seal tent; Second branch vent 23 on the main air draft 18 in each giving vent to anger control joint and tobacco leaf warehouse above the tobacco leaf stack plastic seal tent is linked through flexible pipe, just can constitute a folk prescription with characteristics of energy saving parallel with one another by that analogy and seal the stacking ventilating body to exhausting and be;
3) for one group of tobacco leaf stack plastic seal tent; First branch vent 22 on the main blast pipe 1 in air inlet above it control joint and the tobacco leaf warehouse is linked through flexible pipe, just can constitute a folk prescription with characteristics of energy saving parallel with one another by that analogy and seal the stacking ventilating body to air blast and be;
4) for the tobacco leaf stack plastic seal tent in a group; On the main blast pipe 1 in each air inlet control joint (or the control joint of giving vent to anger) above the tobacco leaf stack plastic seal tent and the tobacco leaf warehouse first ventilated 22 link through flexible pipe; Simultaneously second branch vent 23 on the main air draft 18 in each giving vent to anger control joint (or air inlet control joint) and tobacco leaf warehouse above the tobacco leaf stack plastic seal tent is linked through flexible pipe, just can constitute the tent that an exhausting with characteristics of energy saving parallel with one another combines with air blast by that analogy and seal stacking circulating ventilation system.
Claims (4)
1. the equipment unit multi-functional, that environmental protection machinery fills nitrogen regulation and control tobacco leaf warehousing environment is characterized in that it comprises main blast pipe (1), first valve (2), centrifugal blower (3), first secondary air channel (4), second valve (5), first airduct (6), the 3rd valve (7), dehumidifier (8), second airduct (9), the 4th valve (10), nitrogen making machine (11);
One end of main blast pipe (1) is positioned at the tobacco leaf warehouse, and the other end of main blast pipe (1) is positioned at outside the tobacco leaf warehouse and with the air outlet of centrifugal blower (3) and is connected, and main blast pipe (1) is provided with first valve (2); The air inlet of centrifugal blower (3) is connected with an end of first secondary air channel (4), and first secondary air channel (4) is provided with second valve (5); The output of second airduct (9) is connected with main blast pipe (1) through three-way connection, and the input of second airduct (9) is connected with the air outlet of nitrogen making machine (11), and second airduct (9) is provided with the 4th valve (10); First valve (2) is positioned between the air outlet of output and centrifugal blower (3) of second airduct (9); The output of first airduct (6) is connected with first secondary air channel (4); The output of first airduct (6) is positioned between the air inlet of second valve (5) and centrifugal blower (3); The input of first airduct (6) is connected with the air outlet of dehumidifier (8), and first airduct (6) is provided with the 3rd valve (7).
2. a kind of multi-functional, environmental protection machinery according to claim 1 fills the equipment unit of nitrogen regulation and control tobacco leaf warehousing environment; It is characterized in that: the air inlet of described dehumidifier (8) is connected by the output of the 3rd airduct (13) with main air draft (18); The output of main air draft (18) is positioned at outside the tobacco leaf warehouse; The input of main air draft (18) is positioned at the tobacco leaf warehouse, and the 3rd airduct (13) is provided with the 6th valve (14);
Lead to the 4th airduct (16) on first secondary air channel (4) between the air inlet of described second valve (5) and centrifugal blower (3); The input of the 4th airduct (16) is connected through the output of three-way connection with main air draft (18), and the 4th airduct (16) is provided with the 7th valve (15);
The 3rd airduct (13) is connected with an end of second secondary air channel (21), and an end of second secondary air channel (21) is positioned between the air inlet of the 6th valve (14) and dehumidifier (8), and second secondary air channel (21) is provided with the 5th valve (12).
3. a kind of multi-functional, environmental protection machinery according to claim 2 fills the equipment unit of nitrogen regulation and control tobacco leaf warehousing environment, and it is characterized in that: described main air draft (18) is provided with frequency conversion air exhauster (17).
4. a kind of multi-functional, environmental protection machinery according to claim 1 and 2 fills the equipment unit of nitrogen regulation and control tobacco leaf warehousing environment; It is characterized in that: described main blast pipe (1) is connected with an end of exhaust duct (19); One end of exhaust duct (19) is positioned between the air outlet of first valve (2) and centrifugal blower (3), and exhaust duct (19) is provided with the 8th valve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202576760U CN202190557U (en) | 2011-07-20 | 2011-07-20 | Equipment unit capable of regulating tobacco leaf storage environment by mechanical nitrogen charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202576760U CN202190557U (en) | 2011-07-20 | 2011-07-20 | Equipment unit capable of regulating tobacco leaf storage environment by mechanical nitrogen charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202190557U true CN202190557U (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202576760U Expired - Lifetime CN202190557U (en) | 2011-07-20 | 2011-07-20 | Equipment unit capable of regulating tobacco leaf storage environment by mechanical nitrogen charging |
Country Status (1)
| Country | Link |
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| CN (1) | CN202190557U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111846626A (en) * | 2020-07-07 | 2020-10-30 | 武汉颐达生物工程有限公司 | Agricultural product packaging and stacking airtight storage method in mechanical air-conditioning mode |
| CN111990676A (en) * | 2020-08-14 | 2020-11-27 | 武汉东昌仓贮技术有限公司 | Gas conditioning and maintaining system and method for tobacco leaves |
-
2011
- 2011-07-20 CN CN2011202576760U patent/CN202190557U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111846626A (en) * | 2020-07-07 | 2020-10-30 | 武汉颐达生物工程有限公司 | Agricultural product packaging and stacking airtight storage method in mechanical air-conditioning mode |
| CN111846626B (en) * | 2020-07-07 | 2022-03-29 | 武汉颐达生物工程有限公司 | Agricultural product packaging and stacking airtight storage method in mechanical air-conditioning mode |
| CN111990676A (en) * | 2020-08-14 | 2020-11-27 | 武汉东昌仓贮技术有限公司 | Gas conditioning and maintaining system and method for tobacco leaves |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhan Dongchang Storage Technology Co., Ltd. Assignor: Li Yiwei Contract record no.: 2014420000096 Denomination of utility model: Equipment unit capable of regulating tobacco leaf storage environment by mechanical nitrogen charging Granted publication date: 20120418 License type: Exclusive License Record date: 20140610 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120418 |