CN202186894U - Air separation nitrogen making device - Google Patents

Air separation nitrogen making device Download PDF

Info

Publication number
CN202186894U
CN202186894U CN2011203124690U CN201120312469U CN202186894U CN 202186894 U CN202186894 U CN 202186894U CN 2011203124690 U CN2011203124690 U CN 2011203124690U CN 201120312469 U CN201120312469 U CN 201120312469U CN 202186894 U CN202186894 U CN 202186894U
Authority
CN
China
Prior art keywords
nitrogen
tower
air
pipeline
air separation
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.)
Expired - Lifetime
Application number
CN2011203124690U
Other languages
Chinese (zh)
Inventor
张琼
郝迅
马天娇
来进琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANG ZHOU CHUANKONG GENERAL EQUIPMENT CO Ltd
Original Assignee
HANG ZHOU CHUANKONG GENERAL EQUIPMENT CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HANG ZHOU CHUANKONG GENERAL EQUIPMENT CO Ltd filed Critical HANG ZHOU CHUANKONG GENERAL EQUIPMENT CO Ltd
Priority to CN2011203124690U priority Critical patent/CN202186894U/en
Application granted granted Critical
Publication of CN202186894U publication Critical patent/CN202186894U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Separation By Low-Temperature Treatments (AREA)

Abstract

The utility model relates to a device for making nitrogen, in particular to an air separation nitrogen making device, comprising an air filter, an air compressor, a pre-cooling system, a purifying device and a rectifying device, which are connected via a pipeline in turn. The rectifying device comprises a main heat exchanger, an expander, a nitrogen tower and a sub-cooler, which are connected via a pipeline. A condensation evaporator is arranged on the nitrogen tower. The top part of the nitrogen tower is connected with the main heat exchanger and the pressurizing end of the expander via the pipeline in turn. The nitrogen from the tower made by the utility model is used for meeting the gas demand of the user after being pressurized by the pressurizing end of the expander. The utility model reduces the water and power consumptions of the nitrogen making device, operating cost and reduces the performance requirement of the nitrogen making device to each part thereof and the making cost of the nitrogen making device simultaneously.

Description

A kind of nitrogen production by air separation equipment
Technical field
The utility model relates to a kind of equipment of making nitrogen, especially a kind of nitrogen production by air separation equipment.
Background technology
Along with continuous progress in science and technology, nitrogen producing craft and equipment are all constantly developed, and high pure nitrogen has been widely used in fields such as metallurgy, chemical industry, medicine, electronics, glass.Deep cooling system nitrogen is to produce the most general mode of high purity nitrogen, and deep cooling system nitrogen is according to being divided into drag flow on user's nitrogen pressure different process and backflowing flow process.This cover project can be carried out the selection of particular product performance parameters according to the different demands of user; At present, conventional technical process is that the air compressor machine exhaust pressure is raised, and nitrogen product is directly extracted out in the tower and satisfied the user and use atmospheric pressure; Directly in tower, extract nitrogen out; Require this equipment of making nitrogen that nitrogen gas pressure is carried out comprehensive adjustment, increased the energy consumption of the equipment of making nitrogen, the performance perameter to each parts of the equipment of making nitrogen requires higher simultaneously; Increase the manufacturing cost of the equipment of making nitrogen, made its running cost improve greatly.
Summary of the invention
The utility model provides a kind of and can reduce each parts manufacturing cost in order to solve defective and the deficiency that above-mentioned prior art exists, and reduces the complete machine energy consumption, thereby reduces the nitrogen production by air separation equipment of running cost.
The technical scheme of the utility model: a kind of nitrogen production by air separation equipment; Comprise the air filter, air, chilldown system, purification devices and the rectifier unit that connect successively with pipeline; Said rectifier unit comprises main heat exchanger, decompressor, nitrogen tower and the supercooler with pipe connection; Said nitrogen tower is provided with condenser/evaporator, and said nitrogen top of tower is connected with the pressurized end of main heat exchanger and decompressor through pipeline successively.
Preferably, said purification devices comprises a pair of adsorber and with electrical heater and the sound damper of pipe connection on adsorber.
Preferably, said chilldown system comprises air cooling tower and the water-cooling tower with pipe connection.
After coming out in the tower, satisfied the nitrogen of the utility model manufacturing user's the atmospheric pressure of using again afterwards through the pressurized end supercharging of decompressor; Reduced equipment of making nitrogen hydroelectricity consumption; Reduced running cost, reduced requirement simultaneously, reduced the manufacturing cost of the equipment of making nitrogen each component capabilities of the equipment of making nitrogen.
Description of drawings
Fig. 1 is the principle schematic of the utility model.
1. air filters among the figure, 2. air, 3. chilldown system, 31. air cooling towers; 32. water-cooling tower, 4. purification devices, 41. adsorbers, 42. electrical heaters; 43. sound damper, 5. rectifier unit, 51. main heat exchangers, 52. nitrogen towers; 53. condenser/evaporator, 54. supercoolers, 55. decompressors, the pressurized end of 56. decompressors.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed explanation, but be not restriction the utility model protection domain.
As shown in Figure 1; A kind of nitrogen production by air separation equipment; Comprise the air filter 1, air 2, chilldown system 3, purification devices 4 and the rectifier unit 5 that connect successively with pipeline; Rectifier unit 5 comprises main heat exchanger 51, decompressor 55, nitrogen tower 52 and the supercooler 54 with pipe connection, and nitrogen tower 52 is provided with condenser/evaporator 53, and nitrogen tower 52 tops are connected with the pressurized end 56 of main heat exchanger 51 and decompressor 55 through pipeline successively.Purification devices 4 comprises a pair of adsorber 41 and with the electrical heater 42 of pipe connection on adsorber and sound damper 43.Chilldown system 3 comprises the air cooling tower 31 and water-cooling tower 32 with pipe connection.
The technical process of the utility model is that the exhaust pressure of air reduces; After product nitrogen gas comes out in the nitrogen tower again through satisfying user's the atmospheric pressure of using after the pressurized end supercharging of decompressor; Reduced equipment of making nitrogen hydroelectricity consumption; Reduced running cost, reduced requirement simultaneously, reduced the manufacturing cost of the equipment of making nitrogen each component capabilities of the equipment of making nitrogen.

Claims (3)

1. nitrogen production by air separation equipment; Comprise the air filter, air, chilldown system, purification devices and the rectifier unit that connect successively with pipeline; It is characterized in that: said rectifier unit comprises main heat exchanger, decompressor, nitrogen tower and the supercooler with pipe connection; Said nitrogen tower is provided with condenser/evaporator, and said nitrogen top of tower is connected with the pressurized end of main heat exchanger and decompressor through pipeline successively.
2. a kind of nitrogen production by air separation equipment according to claim 1 is characterized in that: said purification devices comprises a pair of adsorber and with electrical heater and the sound damper of pipe connection on adsorber.
3. a kind of nitrogen production by air separation equipment according to claim 1, it is characterized in that: said chilldown system comprises with the air cooling tower of pipe connection and water-cooling tower.
CN2011203124690U 2011-08-25 2011-08-25 Air separation nitrogen making device Expired - Lifetime CN202186894U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203124690U CN202186894U (en) 2011-08-25 2011-08-25 Air separation nitrogen making device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203124690U CN202186894U (en) 2011-08-25 2011-08-25 Air separation nitrogen making device

Publications (1)

Publication Number Publication Date
CN202186894U true CN202186894U (en) 2012-04-11

Family

ID=45918357

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203124690U Expired - Lifetime CN202186894U (en) 2011-08-25 2011-08-25 Air separation nitrogen making device

Country Status (1)

Country Link
CN (1) CN202186894U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104208980A (en) * 2014-08-22 2014-12-17 中国华能集团清洁能源技术研究院有限公司 Turning wheel air separation purification device and turning wheel air separation purification method
CN106219495A (en) * 2016-08-19 2016-12-14 浙江智海化工设备工程有限公司 A kind of small-sized PSA and the combination unit of small-sized cryogenic air separation unit
CN113883829A (en) * 2021-11-01 2022-01-04 四川空分设备(集团)有限责任公司 Method for preparing high-purity nitrogen with low energy consumption and method for preparing high-purity nitrogen with low energy consumption

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104208980A (en) * 2014-08-22 2014-12-17 中国华能集团清洁能源技术研究院有限公司 Turning wheel air separation purification device and turning wheel air separation purification method
CN106219495A (en) * 2016-08-19 2016-12-14 浙江智海化工设备工程有限公司 A kind of small-sized PSA and the combination unit of small-sized cryogenic air separation unit
CN113883829A (en) * 2021-11-01 2022-01-04 四川空分设备(集团)有限责任公司 Method for preparing high-purity nitrogen with low energy consumption and method for preparing high-purity nitrogen with low energy consumption
CN113883829B (en) * 2021-11-01 2023-02-28 四川空分设备(集团)有限责任公司 Method and device for preparing high-purity nitrogen with low energy consumption

Similar Documents

Publication Publication Date Title
CN104061757B (en) A kind of liquid oxygen and liquid nitrogen device for making and method
CN103123203B (en) Method of preparing pure nitrogen by using exhaust gas with nitrogen to carry out once-more cryogenic distillation
CN107345737B (en) Double-tower double-condensation reflux expansion nitrogen making machine and nitrogen making method thereof
CN102230716A (en) Method and device for separating air through air pressurization, backflow expansion and internal compression
CN201173660Y (en) Middle and small sized multi- behavior energy-saving -type air separation equipment
CN105066587A (en) Cryogenic separation and low-purity oxygen and high-purity oxygen and nitrogen production device and method
CN101929790A (en) High-purity nitrogen equipment
CN203572141U (en) Air separation system with regeneration air auxiliary rectification and depressurization functions
CN101929791B (en) Large-tonnage high-purity nitrogen equipment
CN202186894U (en) Air separation nitrogen making device
CN104390427B (en) High-temperature and low-temperature expansion energy-saving nitrogen production device and nitrogen production method
CN204006965U (en) A kind of liquid oxygen and liquid nitrogen device for making
CN209310367U (en) A kind of double column cryogenic pressurization nitrogen-making device
CN202599013U (en) Device for producing low purity oxygen with pressure and high purity nitrogen through backflow expansion refrigeration
CN202119205U (en) Air separating device capable of alternately producing nitrogen and liquid nitrogen
CN110108090A (en) A method of reducing air separation unit upper tower pressure and system energy consumption
CN104048478B (en) The equipment of high extraction and the dirty nitrogen purification nitrogen of low energy consumption and extracting method thereof
CN204718302U (en) A kind of oxygen enrichment system of efficiency utilization LNG cold energy
CN111811211A (en) Nitrogen production device and method with refrigerating unit single tower
CN107270655B (en) Single-tower nitrogen-making half-load working condition yield-increasing liquid nitrogen making device and method
CN202630585U (en) Air separation equipment
CN202001247U (en) Air separating compressor
CN202109724U (en) Air pressurization backflow expansion inner compression air separation device
CN205079543U (en) Device of cryogenic separation and production low -purity oxygen, high purity oxygen and nitrogen
CN202186893U (en) Double-tower air-separating nitrogen gas preparing equipment

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP02 Change in the address of a patent holder

Address after: 311100 Liansheng Village, Nanyuan Street, Yuhang District, Hangzhou City, Zhejiang Province

Patentee after: Hang Zhou Chuankong General Equipment Co., Ltd.

Address before: 311100 No. 3 Linping East-West Avenue, Yuhang District, Hangzhou City, Zhejiang Province

Patentee before: Hang Zhou Chuankong General Equipment Co., Ltd.

CP02 Change in the address of a patent holder
CX01 Expiry of patent term

Granted publication date: 20120411

CX01 Expiry of patent term