CN204647854U - A kind of mesolow nitrogen air separation facility train - Google Patents
A kind of mesolow nitrogen air separation facility train Download PDFInfo
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- CN204647854U CN204647854U CN201520263823.3U CN201520263823U CN204647854U CN 204647854 U CN204647854 U CN 204647854U CN 201520263823 U CN201520263823 U CN 201520263823U CN 204647854 U CN204647854 U CN 204647854U
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Abstract
A kind of mesolow nitrogen air separation facility train, belongs to technical field of chemical production equipment.It comprises medium pressure nitrogen gas nitrogen compressor and low-pressure nitrogen nitrogen compressor, medium pressure nitrogen gas nitrogen compressor is connected with 25 kilograms of gas pipe networks, low-pressure nitrogen nitrogen compressor is connected with 10 kilograms of gas pipe networks, medium pressure nitrogen gas nitrogen compressor arranges the bronchus net be connected with 10 kilograms of gas pipe networks, bronchus arranges controller, pressure central controller, manual modulation valve II and automatic regulating valve II on the net, and controller is connected with pressure central controller and automatic regulating valve II point of level signal.The utility model is by interconnecting the mesolow nitrogen of two covering devices, medium pressure nitrogen gas nitrogen compressor is connected with 10 kilograms of gas pipe networks, remaining nitrogen is proceeded in 10 kilograms of nitrogen system and use, a low-pressure nitrogen nitrogen compressor can be opened less, energy-conservation electric power etc., improve economic benefit, reduce product cost on the whole, can the market competitiveness be improve.
Description
Technical field
The utility model belongs to technical field of chemical production equipment, is specifically related to that a kind of device stability is strong, cost is low, energy-conserving and environment-protective and the strong mesolow nitrogen air separation facility train of the market competitiveness.
Background technique
Medium pressure nitrogen press (the 3000m of current use
3/ h, 2.5MPa) and low pressure nitrogen press (1000m
3/ h, 1.0MPa) give for needing the user of different pressures to use respectively, and in calm the anger press and, generally several the actual gas total amounts of user are 2000m
3about/h, so compressor has 1000m
3the nitrogen emptying amount of about/h, and low pressure nitrogen press generally has multiple stage 1000m
3the compressor of/h, 1.0MPa supplies user by after nitrogen compression, so long-time use, the nitrogen waste of medium pressure nitrogen press is increasing, and bring certain impact to environment, if the nitrogen supply (NS) of emptying in medium pressure nitrogen press can be used to low-pressure nitrogen pipe network, just can save a low pressure nitrogen compressor operation, and have no similar report at present.
Model utility content
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide that a kind of device stability is strong, cost is low, energy-conserving and environment-protective and the strong mesolow nitrogen air separation facility train of the market competitiveness.
Described a kind of mesolow nitrogen air separation facility train, comprise medium pressure nitrogen gas nitrogen compressor and low-pressure nitrogen nitrogen compressor, described medium pressure nitrogen gas nitrogen compressor is connected with 25 kilograms of gas pipe networks, low-pressure nitrogen nitrogen compressor is connected with 10 kilograms of gas pipe networks, it is characterized in that described medium pressure nitrogen gas nitrogen compressor arranges the bronchus net be connected with 10 kilograms of gas pipe networks, bronchus arranges controller, pressure central controller, manual modulation valve II and automatic regulating valve II on the net, and described controller is connected with pressure central controller and automatic regulating valve II point of level signal.
Described a kind of mesolow nitrogen air separation facility train, it is characterized in that described bronchus net also arranges blowdown system, described blowdown system comprises atmospheric valve, automatic regulating valve I and manual modulation valve I, and described automatic regulating valve I is connected with controller signals.
Described a kind of mesolow nitrogen air separation facility train, is characterized in that described low-pressure nitrogen nitrogen compressor comprises low-pressure nitrogen nitrogen compressor I, low-pressure nitrogen nitrogen compressor II and the low-pressure nitrogen nitrogen compressor III be connected with 10 kilograms of gas pipe networks respectively.
Above-mentioned a kind of mesolow nitrogen air separation facility train, comprise medium pressure nitrogen gas nitrogen compressor and low-pressure nitrogen nitrogen compressor, described medium pressure nitrogen gas nitrogen compressor is connected with 25 kilograms of gas pipe networks, low-pressure nitrogen nitrogen compressor is connected with 10 kilograms of gas pipe networks, medium pressure nitrogen gas nitrogen compressor arranges the bronchus net be connected with 10 kilograms of gas pipe networks, bronchus arranges controller, pressure central controller, manual modulation valve II and automatic regulating valve II on the net, and described controller is connected with pressure central controller and automatic regulating valve II point of level signal.The utility model is by bronchus net, the mesolow nitrogen of two covering devices is interconnected, medium pressure nitrogen gas nitrogen compressor is connected with 10 kilograms of gas pipe networks, when 25 kilograms of nitrogen system pressure reach 25 kilograms, remaining nitrogen is proceeded in 10 kilograms of nitrogen system and use, the pressure of low nitrogen in two cover air separation facilitys, flowed fluctuation reduces greatly, when this device and downstream unit exception, strengthen wind resistance dangerous, and medium pressure nitrogen gas nitrogen compressor nitrogen recycling time, a low-pressure nitrogen nitrogen compressor can be opened less, energy-conservation electric power etc., improve economic benefit, reduce product cost on the whole, the market competitiveness can be improve, saving power alleviates the pressure of social power shortage to a certain extent, and saving power is also equal to minimizing CO2 emission.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1-medium pressure nitrogen gas nitrogen compressor, 2-25 kilogram of gas pipe network, 3-bronchus net, 4-low-pressure nitrogen nitrogen compressor, 401-low-pressure nitrogen nitrogen compressor I, 402-low-pressure nitrogen nitrogen compressor II, 403-low-pressure nitrogen nitrogen compressor III, 5-manual modulation valve I, 6-manual modulation valve II, 7-automatic regulating valve II, 8-controller, 9-pressure central controller, 10-atmospheric valve, 11-automatic regulating valve I, 12-10 kilogram of gas pipe network.
Embodiment
Below in conjunction with Figure of description, the utility model will be further described, but protection domain of the present utility model is not limited in this:
As shown in Figure 1, mesolow nitrogen air separation facility train of the present utility model, comprise medium pressure nitrogen gas nitrogen compressor 1 and low-pressure nitrogen nitrogen compressor 4, low-pressure nitrogen nitrogen compressor 4 comprises the low-pressure nitrogen nitrogen compressor I 401 be connected with 10 kilograms of gas pipe networks 12 respectively, low-pressure nitrogen nitrogen compressor II 402 and low-pressure nitrogen nitrogen compressor III 403, can work simultaneously, also or two work wherein can only be selected, described medium pressure nitrogen gas nitrogen compressor 1 is connected with 25 kilograms of gas pipe networks 2, low-pressure nitrogen nitrogen compressor 4 is connected with 10 kilograms of gas pipe networks 12, nitrogen in general medium pressure nitrogen gas nitrogen compressor 1 is 3000m
3, and reach 25 kilograms of pressure generally needs 2000 m
3left and right, 1000 remaining m
3direct emptying, cause very large waste, and the utility model is in order to solve this problem, the bronchus net 3 be connected with 10 kilograms of gas pipe networks 10 is set at medium pressure nitrogen gas nitrogen compressor 1, bronchus net 3 is arranged controller 8, pressure central controller 9, manual modulation valve II 6 and automatic regulating valve II 7, in order to improve the Security of this system, the utility model also also arranges blowdown system at bronchus net 3, described blowdown system comprises atmospheric valve 10, automatic regulating valve I 11 and manual modulation valve I 5, described automatic regulating valve I 11, pressure central controller 9 and automatic regulating valve II 7 are connected respectively by signal with controller 8.
As shown in the figure, in utility model works process, manual modulation valve I 5 and manual modulation valve II 6 are normally open, simultaneously by the pressure setting 25 kilograms of pressure central controller 9, the pressure of 25 kilograms of gas pipe networks 2 and bronchus net 3 is identical, and monitored constantly by pressure central controller 9, when the pressure of monitoring is greater than 25 kilograms, pressure central controller 9 sends the pressure signal recorded to controller 8, controller 8 by signal to automatic regulating valve II 7, slowly open automatic regulating valve II 7, to 10 kilograms of gas pipe network 12 the supply of nitrogen, now, according to fact of case, a low-pressure nitrogen nitrogen compressor job can be stopped, when automatic regulating valve II 7 leaves to after maximum, the pressure that pressure central controller 9 records also 25 kilograms time, controller 8 sends signal to automatic regulating valve I 11, automatic regulating valve I 11 is opened, make unnecessary nitrogen through atmospheric valve 10 emptying, ensure the safety of whole system.
The utility model is by adopting above-mentioned technology, make two covers empty point of medium pressure nitrogen gas string low-pressure nitrogen interconnection pipeline, and be equipped with switching automatic regulating valve, cut-off valve, improve the stability of a system, remaining nitrogen recycling in medium pressure nitrogen gas nitrogen compressor is used to low-pressure nitrogen gas pipe network, decrease nitrogen waste, meanwhile, a nitrogen compressor can be opened less, the cost of overhaul etc. of electric power and nitrogen compressor can be saved, substantially increase economic benefit, improve the market competitiveness; Saving power alleviates the pressure of social power shortage to a certain extent simultaneously, and saving power is also equal to minimizing CO2 emission.
Claims (3)
1. a mesolow nitrogen air separation facility train, comprise medium pressure nitrogen gas nitrogen compressor (1) and low-pressure nitrogen nitrogen compressor (4), described medium pressure nitrogen gas nitrogen compressor (1) is connected with 25 kilograms of gas pipe networks (2), low-pressure nitrogen nitrogen compressor (4) is connected with 10 kilograms of gas pipe networks (12), it is characterized in that described medium pressure nitrogen gas nitrogen compressor (1) arranges the bronchus net (3) be connected with 10 kilograms of gas pipe networks (10), bronchus net (3) is arranged controller (8), pressure central controller (9), manual modulation valve II (6) and automatic regulating valve II (7), described controller (8) is connected with pressure central controller (9) and automatic regulating valve II (7) point of level signal.
2. a kind of mesolow nitrogen air separation facility train according to claim 1, it is characterized in that described bronchus net (3) also arranges blowdown system, described blowdown system comprises atmospheric valve (10), automatic regulating valve I (11) and manual modulation valve I (5), and described automatic regulating valve I (11) is connected with controller (8) signal.
3. a kind of mesolow nitrogen air separation facility train according to claim 1, is characterized in that described low-pressure nitrogen nitrogen compressor (4) comprises low-pressure nitrogen nitrogen compressor I (401), low-pressure nitrogen nitrogen compressor II (402) and the low-pressure nitrogen nitrogen compressor III (403) be connected with 10 kilograms of gas pipe networks (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263823.3U CN204647854U (en) | 2015-04-28 | 2015-04-28 | A kind of mesolow nitrogen air separation facility train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263823.3U CN204647854U (en) | 2015-04-28 | 2015-04-28 | A kind of mesolow nitrogen air separation facility train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204647854U true CN204647854U (en) | 2015-09-16 |
Family
ID=54100603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520263823.3U Active CN204647854U (en) | 2015-04-28 | 2015-04-28 | A kind of mesolow nitrogen air separation facility train |
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| CN (1) | CN204647854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873515A (en) * | 2020-09-27 | 2020-11-03 | 浙江易锻精密机械有限公司 | Manual and automatic intelligent pneumatic module for balance cylinder of press machine |
| CN117662445A (en) * | 2024-01-30 | 2024-03-08 | 玉得气体有限责任公司 | Nitrogen compressor operation control method and system |
-
2015
- 2015-04-28 CN CN201520263823.3U patent/CN204647854U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873515A (en) * | 2020-09-27 | 2020-11-03 | 浙江易锻精密机械有限公司 | Manual and automatic intelligent pneumatic module for balance cylinder of press machine |
| CN117662445A (en) * | 2024-01-30 | 2024-03-08 | 玉得气体有限责任公司 | Nitrogen compressor operation control method and system |
| CN117662445B (en) * | 2024-01-30 | 2024-04-09 | 玉得气体有限责任公司 | Nitrogen compressor operation control method and system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |