CN204298065U - Green air-conditioning storing grain nitrogen gas generating system - Google Patents
Green air-conditioning storing grain nitrogen gas generating system Download PDFInfo
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- CN204298065U CN204298065U CN201420828673.1U CN201420828673U CN204298065U CN 204298065 U CN204298065 U CN 204298065U CN 201420828673 U CN201420828673 U CN 201420828673U CN 204298065 U CN204298065 U CN 204298065U
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- nitrogen
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- molecular sieve
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Abstract
The utility model discloses a kind of green air-conditioning storing grain nitrogen gas generating system, this system comprises the compressed air source, air cushioning system, air cleaning system, pressure-variable adsorption oxygen nitrogen piece-rate system, nitrogen buffer purge system and the ultimate filter group that connect in turn.The utility model can high-efficient purification nitrogen, effectively blowdown, improve nitrogen purity and equipment is effectively safeguarded, service life of extension device.
Description
Technical field
The utility model relates to mechanical field, particularly, relates to a kind of green air-conditioning storing grain nitrogen gas generating system.
Background technology
Air-conditioning storing grain is by changing storage ambient gas componant, improve the method for reserve stability, by low dosage of, biology, oxygen falls in sealing warehouse, be filled with carbon dioxide or nitrogen etc., with its gas composition of control and regulation, reaching and suppress entomophthora to endanger, guarantee the object that reserve is pacified, also reaching by changing gas component the object delaying quality deterioration simultaneously.When oxygen concentration reaches 2%, or time the concentration of carbon dioxide reaches about 35%, satisfied effect can be obtained.Nitrogen has excellent physics and chemistry characteristic: the atomic weight of nitrogen (N2) is 14, usually exist with the form of gas molecule, nitrogen is extensively present in natural air, it is very huge in the reserves of the earth, nitrogen to human non-toxic, harmless, at normal temperatures, nitrogen be a kind of not with the inert gas of any material generation chemical reaction, just have 78. 1% to be nitrogen in air, nitrogen has green, safety, the good characteristic such as nuisanceless.
Nitrogen gas generating system can meet the demand of industrial nitrogen, and present nitrogen gas generating system purification efficiency is not high, purification efficiency is bad, and can not determine when this adds molecular sieve, thus causes molecular sieve that equipment cannot be run.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of green air-conditioning storing grain nitrogen gas generating system, this nitrogen gas generating system can high-efficient purification nitrogen, effectively blowdown, improve nitrogen purity and equipment is effectively safeguarded, service life of extension device.
The technical scheme in the invention for solving the above technical problem is:
Green air-conditioning storing grain nitrogen gas generating system, comprises the compressed air source, air cushioning system, air cleaning system, pressure-variable adsorption oxygen nitrogen piece-rate system, nitrogen buffer purge system and the ultimate filter group that connect in turn;
Described compressed air source comprises air compressor, air cushioning system comprises air cushioning tank, air cleaning system comprises freeze drier, four set filters, active carbon oil expeller, automatic blowdown valve, described air cushioning system with the concrete connection of air cleaning system is: 1 set filter is connected with air cushioning tank, air cushioning tank is connected with freeze drier, freeze drier again with 3 set filter is connected in turn, and 3 set filters, active carbon oil expeller are connected in turn with automatic blowdown valve;
Described pressure-variable adsorption oxygen nitrogen piece-rate system comprises the left adsorption tower that inside is provided with carbon molecular sieve, right adsorption tower, muffler and control system, be connected by equalizing valve between left adsorption tower and right adsorption tower, muffler is arranged between 2 described adsorption towers, control system is all connected with 2 described adsorption towers, described adsorption tower is also provided with hold down gag, hold down gag comprises cylinder block, be arranged on the piston in cylinder block, through the guide post of piston centre, the below of described guide post is connected with molecular sieve, described guide post side and be positioned at below piston and be provided with carbon potential warning device,
Nitrogen buffer purge system comprises nitrogen buffer tank.
After nitrogen gas generating system of the present utility model selects many set filters by air filtration on traditional nitrogen gas generating system basis, send into dry refrigerator and carry out drying process, purification dewaters after filtration again, dedusting, enter active carbon oil expeller and carry out oil removal treatment, enter automatic blowdown valve again soil release is purified air further, again air is sent into pressure-variable adsorption oxygen nitrogen piece-rate system, concrete: air enters via the port of left adsorption tower, at the carbon molecular sieve adsorption of oxygen that air-flow is arranged through inside after diffusion again, after carbon dioxide and water, flow out by left adsorption column outlet, it should be noted that, through absorption after a while, after carbon molecular sieve absorption in left adsorption tower is saturated, left adsorption tower will stop absorption automatically, at this moment the equalizing valve between left adsorption tower and right adsorption tower is opened, make between left adsorption tower and right adsorption tower, to carry out of short duration all pressures, after all having pressed, air flows into adsorption of oxygen etc. in right adsorption tower, carbon molecular sieve in left adsorption tower is regenerated simultaneously, the separation of oxygen nitrogen is completed through absorption-all pressure-desorbs-regeneration cycle process, whole process is controlled by control system.After oxygen nitrogen is separated, nitrogen is sent in nitrogen buffer tank and cushions, with the fluctuation of counterpressure and purity, guarantee system continous-stable be feel anxious system supply nitrogen, nitrogen buffer tank can also meet the needs improving rapidly pressure in adsorption tower in addition, the ultimate filter that last whole system is set up can realize omnidistance thoroughly clean gas, provides the effect of high-quality nitrogen.
In addition, also hold down gag is provided with on the top of adsorption tower, the actual principle that have employed cylinder moving of this hold down gag, guide post in cylinder block can move up and down along with carbon molecular sieve, thus carbon potential warning device is set at guide post side, the position of carbon molecular sieve can be judged, when carbon molecular sieve drops to the alarm limit of setting, carbon potential warning device will start warning, so just accurately can know when this interpolation carbon molecular sieve, carbon molecular sieve can be prevented like this to sink efflorescence out of control, and dust blocks the problems such as valve pipeline after carbon molecular sieve efflorescence.
Molecular sieve in described adsorption tower is German BF carbon molecular sieve.It is large that Germany's New Type of Carbon molecular sieve has adsorbing separation coefficient, and intensity is high, not easily efflorescence, and granulation uniformity is good, the various features such as long service life.
Filter core in described filter be 24 sides/point treating capacity.
Described air cleaning system is connected with instrument supply gas.
To sum up, the beneficial effects of the utility model are:
1, the utility model technological process is simple, compact conformation, purification efficiency and quality are higher;
2, the utility model sets up hold down gag, carbon potential warning device is provided with in hold down gag, the position of carbon molecular sieve can be judged, just accurately can know when this interpolation carbon molecular sieve, carbon molecular sieve can be prevented like this to sink efflorescence out of control, and the problem such as dust blocking valve pipeline after carbon molecular sieve efflorescence.
Accompanying drawing explanation
Fig. 1 is the structure chart of utility model;
Fig. 2 is the Local map of utility model.
Mark and corresponding parts title in accompanying drawing:
1, cylinder block, 2, piston, 3, guide post, 4, carbon potential warning device.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the utility model do, but embodiment of the present utility model is not limited thereto.
Embodiment 1:
As depicted in figs. 1 and 2, green air-conditioning storing grain nitrogen gas generating system, comprises the compressed air source, air cushioning system, air cleaning system, pressure-variable adsorption oxygen nitrogen piece-rate system, nitrogen buffer purge system and the ultimate filter group that connect in turn;
Described compressed air source comprises air compressor, air cushioning system comprises air cushioning tank, air cleaning system comprises freeze drier, four set filters, active carbon oil expeller, automatic blowdown valve, described air cushioning system with the concrete connection of air cleaning system is: 1 set filter is connected with air cushioning tank, air cushioning tank is connected with freeze drier, freeze drier again with 3 set filter is connected in turn, and 3 set filters, active carbon oil expeller are connected in turn with automatic blowdown valve;
Described pressure-variable adsorption oxygen nitrogen piece-rate system comprises the left adsorption tower that inside is provided with carbon molecular sieve, right adsorption tower, muffler and control system, be connected by equalizing valve between left adsorption tower and right adsorption tower, muffler is arranged between 2 described adsorption towers, control system is all connected with 2 described adsorption towers, described adsorption tower is also provided with hold down gag, hold down gag comprises cylinder block 1, be arranged on the piston 2 in cylinder block 1, through the guide post 3 at piston 2 center, the below of described guide post 3 is connected with molecular sieve, described guide post 3 side and be positioned at below piston 2 and be provided with carbon potential warning device 4,
Nitrogen buffer purge system comprises nitrogen buffer tank.
After nitrogen gas generating system of the present utility model selects many set filters by air filtration on traditional nitrogen gas generating system basis, send into dry refrigerator and carry out drying process, purification dewaters after filtration again, dedusting, enter active carbon oil expeller and carry out oil removal treatment, enter automatic blowdown valve again soil release is purified air further, again air is sent into pressure-variable adsorption oxygen nitrogen piece-rate system, concrete: air enters via the port of left adsorption tower, at the carbon molecular sieve adsorption of oxygen that air-flow is arranged through inside after diffusion again, after carbon dioxide and water, flow out by left adsorption column outlet, it should be noted that, through absorption after a while, after carbon molecular sieve absorption in left adsorption tower is saturated, left adsorption tower will stop absorption automatically, at this moment the equalizing valve between left adsorption tower and right adsorption tower is opened, make between left adsorption tower and right adsorption tower, to carry out of short duration all pressures, after all having pressed, air flows into adsorption of oxygen etc. in right adsorption tower, carbon molecular sieve in left adsorption tower is regenerated simultaneously, the separation of oxygen nitrogen is completed through absorption-all pressure-desorbs-regeneration cycle process, whole process is controlled by control system.After oxygen nitrogen is separated, nitrogen is sent in nitrogen buffer tank and cushions, with the fluctuation of counterpressure and purity, guarantee system continous-stable be feel anxious system supply nitrogen, nitrogen buffer tank can also meet the needs improving rapidly pressure in adsorption tower in addition, the ultimate filter that last whole system is set up can realize omnidistance thoroughly clean gas, provides the effect of high-quality nitrogen.
In addition, also hold down gag is provided with on the top of adsorption tower, the actual principle that have employed cylinder moving of this hold down gag, guide post in cylinder block can move up and down along with carbon molecular sieve, thus carbon potential warning device is set at guide post side, the position of carbon molecular sieve can be judged, when carbon molecular sieve drops to the alarm limit of setting, carbon potential warning device will start warning, so just accurately can know when this interpolation carbon molecular sieve, carbon molecular sieve can be prevented like this to sink efflorescence out of control, and dust blocks the problems such as valve pipeline after carbon molecular sieve efflorescence.
Molecular sieve in described adsorption tower is German BF carbon molecular sieve.It is large that Germany's New Type of Carbon molecular sieve has adsorbing separation coefficient, and intensity is high, not easily efflorescence, and granulation uniformity is good, the various features such as long service life.
Filter core in described filter be 24 sides/point treating capacity.
As mentioned above, the utility model can be realized preferably.
Claims (4)
1. green air-conditioning storing grain nitrogen gas generating system, is characterized in that, comprises the compressed air source, air cushioning system, air cleaning system, pressure-variable adsorption oxygen nitrogen piece-rate system, nitrogen buffer purge system and the ultimate filter group that connect in turn;
Described compressed air source comprises air compressor, air cushioning system comprises air cushioning tank, air cleaning system comprises freeze drier, four set filters, active carbon oil expeller, automatic blowdown valve, described air cushioning system with the concrete connection of air cleaning system is: 1 set filter is connected with air cushioning tank, air cushioning tank is connected with freeze drier, freeze drier again with 3 set filter is connected in turn, and 3 set filters, active carbon oil expeller are connected in turn with automatic blowdown valve;
Described pressure-variable adsorption oxygen nitrogen piece-rate system comprises the left adsorption tower that inside is provided with carbon molecular sieve, right adsorption tower, muffler and control system, be connected by equalizing valve between left adsorption tower and right adsorption tower, muffler is arranged between 2 described adsorption towers, control system is all connected with 2 described adsorption towers, described adsorption tower is also provided with hold down gag, hold down gag comprises cylinder block (1), be arranged on the piston (2) in cylinder block (1), through the guide post (3) at piston (2) center, the below of described guide post (3) is connected with molecular sieve, described guide post (3) side and be positioned at piston (2) below be provided with carbon potential warning device (4),
Nitrogen buffer purge system comprises nitrogen buffer tank.
2. green air-conditioning storing grain nitrogen gas generating system according to claim 1, is characterized in that, the molecular sieve in described adsorption tower is German BF carbon molecular sieve.
3. green air-conditioning storing grain nitrogen gas generating system according to claim 1, is characterized in that, the filter core in described filter be 24 sides/point treating capacity.
4. green air-conditioning storing grain nitrogen gas generating system according to claim 1, it is characterized in that, described air cleaning system is connected with instrument supply gas.
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CN201420828673.1U CN204298065U (en) | 2014-12-24 | 2014-12-24 | Green air-conditioning storing grain nitrogen gas generating system |
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CN201420828673.1U CN204298065U (en) | 2014-12-24 | 2014-12-24 | Green air-conditioning storing grain nitrogen gas generating system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111943148A (en) * | 2020-07-24 | 2020-11-17 | 浙江勤策空分设备有限公司 | Pressure swing adsorption nitrogen equipment |
CN112279222A (en) * | 2020-11-12 | 2021-01-29 | 杭州汉德空分设备有限公司 | Pressure swing adsorption nitrogen making equipment |
-
2014
- 2014-12-24 CN CN201420828673.1U patent/CN204298065U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111943148A (en) * | 2020-07-24 | 2020-11-17 | 浙江勤策空分设备有限公司 | Pressure swing adsorption nitrogen equipment |
CN112279222A (en) * | 2020-11-12 | 2021-01-29 | 杭州汉德空分设备有限公司 | Pressure swing adsorption nitrogen making equipment |
CN112279222B (en) * | 2020-11-12 | 2022-04-26 | 杭州汉德空分设备有限公司 | Pressure swing adsorption nitrogen making equipment |
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Granted publication date: 20150429 Termination date: 20151224 |
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