CN202968105U - High-purity oxygen purifying device - Google Patents
High-purity oxygen purifying device Download PDFInfo
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- CN202968105U CN202968105U CN 201220638446 CN201220638446U CN202968105U CN 202968105 U CN202968105 U CN 202968105U CN 201220638446 CN201220638446 CN 201220638446 CN 201220638446 U CN201220638446 U CN 201220638446U CN 202968105 U CN202968105 U CN 202968105U
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Abstract
The utility model discloses a high-purity oxygen purifying device. The high-purity oxygen purifying device comprises a drying tower, a nitrogen catalysis tower, a carbon dioxide catalysis tower, a filter, a product buffer tank and a vacuum pump, wherein the outlet valve of the drying tower is connected with the inlet valve of the nitrogen catalysis tower, the outlet valve of the nitrogen catalysis tower is connected with the inlet valve of the carbon dioxide catalysis tower, the filter is divided into a primary filter and a secondary filter, the outlet valve of the carbon dioxide catalysis tower is connected with the inlet valve of the primary filter, the outlet valve of the primary filter is connected with the inlet valve of the secondary filter, the outlet valve of the secondary filter is connected with the inlet valve of the product buffer tank, and the outlet valve of the carbon dioxide catalysis tower is connected with the vacuum pump. By adopting the high-purity oxygen purifying device, a new simple and effective high-purity oxygen preparation method is provided; the high-purity oxygen purifying device disclosed by the utility model has the advantages of less investment, small volume and light weight and can effectively eliminate impurities in oxygen produced by electrolysis of water; and purity of the obtained oxygen is more than 99.9995%, and the requirement of industrial production to high-purity oxygen is met.
Description
Technical field
The utility model relates to a kind of device with brine electrolysis oxygen purification high purity oxygen, particularly a kind of device with water electrolysis hydrogen production cathode gas purification high purity oxygen.
Background technology
It is all to obtain oxygen with brine electrolysis to obtain through the dehydrogenation dewatering process that general high purity oxygen is produced.But the raw material of brine electrolysis process using is the pure water through reverse osmosis and ion-exchange gained, gaseous impurities in gained oxygen is mainly the air that is dissolved in water, therefore in the oxygen of brine electrolysis generation, major impurity is the impurity such as hydrogen, nitrogen, moisture, carbonic acid gas and methane, wherein nitrogen, carbonic acid gas, the more difficult degree of depth absorption of methane.Be 99.5% left and right through the present oxygen concentration of electrolytic cleaning, belong to the excellent standard of high purity oxygen.Wherein the content of the impurity such as nitrogen, moisture, solid particulate matter and carbonic acid gas is higher, can only satisfy the most basic industrial requirement.For some special industries, for example chemical vapour deposition of silicon-dioxide; As oxidation source and the reagent that produces high purity water; Dry oxidation; Mix fields such as carrying out plasma etching with tetrafluoro-methane, need to use a large amount of high purity oxygen.Yet brine electrolysis oxygen oxygen does not reach the technical indicator of high purity oxygen far away, and brine electrolysis oxygen oxygen added value is lower.
Summary of the invention
In order to overcome defects, improve the added value of brine electrolysis oxygen gained oxygen, satisfy the market requirement of high purity oxygen, seize commanding elevation, high-purity gas market, the utility model provides a kind of device with brine electrolysis oxygen purification high purity oxygen, for brine electrolysis high purity oxygen provides a kind of efficient, practical novel method.
the technical solution of the utility model is: a kind of high purity oxygen purifying plant, comprise the moisture drying tower, the nitrogen catalytic tower, the carbonic acid gas catalytic tower, strainer, the product surge tank, vacuum pump, described moisture drying tower outlet valve is connected with nitrogen catalytic tower imported valve, nitrogen catalytic tower outlet valve is connected with carbonic acid gas catalytic tower imported valve, described strainer is divided into grade one filter and secondary filter, described carbonic acid gas catalytic tower outlet valve is connected with the grade one filter imported valve, the grade one filter outlet valve is connected with the secondary filter imported valve, the secondary filter outlet valve is connected with product surge tank imported valve, described carbonic acid gas catalytic tower outlet valve is connected with vacuum pump.
In described moisture drying tower, silica gel absorber is housed, the PU-8 sorbent material is housed in the nitrogen catalytic tower, in the carbonic acid gas catalytic tower, A type molecular sieve is housed, sewage draining valve is equipped with in grade one filter and secondary filter bottom.
Described moisture drying tower, nitrogen catalytic tower and carbonic acid gas catalytic tower casing have electric heater unit.
The beneficial effects of the utility model are: adopt this device, provide a kind of easy, effectively prepare the high purity oxygen novel method, the utility model less investment, volume is little, quality is light, can effectively remove the impurity in brine electrolysis oxygen oxygen, the oxygen purity that obtains reaches more than 99.9995%, has satisfied the requirement of industrial production for high purity oxygen; Simultaneously, adopt this device, the industrial oxygen that economic worth is lower obtains high purity oxygen by synthesis, has improved value-added content of product, helps enterprise to seize commanding elevation, high-purity gas market, has created economic benefit preferably.
Description of drawings
Fig. 1 is the utility model structural representation;
Wherein: 1, moisture drying tower, 2, denitrogenate the catalytic adsorption tower, 3, removing carbon dioxide catalytic adsorption tower, 4, grade one filter, 5, secondary filter, 6, the finished product surge tank, 7, electric heater, 8, vacuum pump.
Embodiment
the present embodiment is a kind of high purity oxygen purifying plant, comprise moisture drying tower 1, nitrogen catalytic tower 2, carbonic acid gas catalytic tower 3, strainer, product surge tank 6, vacuum pump 8, the outlet valve of described moisture drying tower 1 is connected with the imported valve of nitrogen catalytic tower 2, the outlet valve of nitrogen catalytic tower 2 is connected with the imported valve of carbonic acid gas catalytic tower 3, described strainer is divided into grade one filter 4 and secondary filter 5, the outlet valve of described carbonic acid gas catalytic tower 3 is connected with the imported valve of grade one filter 4, the outlet valve of grade one filter 4 is connected with the imported valve of secondary filter 5, the outlet valve of secondary filter 5 is connected with the imported valve of product surge tank 6, the outlet valve of described carbonic acid gas catalytic tower 3 is connected with vacuum pump 8.
As shown in figure one, the outlet of dehydrogenation tower is connected with moisture drying tower 1 imported valve, in moisture drying tower 1, silica gel absorber is housed, open dehydrogenation tower outlet valve and moisture drying tower 1 terminal valve, by the large quantity of moisture that contains in silica gel adsorption oxygen, the content of moisture is down to below 0.2ppm.
Respectively by denitrogenating catalytic adsorption tower 2, denitrogenate the interior employing of catalytic adsorption tower 2 PU-8 type sorbent material through the oxygen after dewatering.UNICOM's moisture drying tower 1 and denitrogenate catalytic adsorption tower 2 terminal valves by the content of nitrogen in PU-8 type sorbent material adsorption of oxygen, is down to a nitrogen content in oxygen below 2ppm.
Pass through respectively removing carbon dioxide catalytic adsorption tower 3, the interior employing A type molecular sieve of removing carbon dioxide catalytic adsorption tower 3 through the oxygen after dewatering, denitrogenating.Catalytic adsorption tower 2 and removing carbon dioxide catalytic adsorption tower 3 terminal valves are denitrogenated by UNICOM, by the content of the CO of trace in A type molecular sieve sorbent material adsorption of oxygen, the content of CO in oxygen are down to below 0.1ppm; A type molecular sieve also adsorbs Trace water simultaneously and divides, and moisture in oxygen is down to below 0.1ppm.
The oxygen that process dewaters, denitrogenates, removes after CO passes through grade one filter 4, secondary filter 5, and grade one filter 4 adopts sintrered nickel pipe high pressure oxygen strainers, and filtering accuracy is 0.01 micron; Secondary filter 5 adopts sintrered nickel pipe high pressure oxygen strainer, filtering accuracy is 0.003 micron, UNICOM's removing carbon dioxide catalytic adsorption tower 3 and grade one filter 4 secondary filter 5 terminal valves, remove by filter by trace solid particle, CH4 and the micro-moisture taken out of in adsorption tower by grade one filter 4 and secondary filter 5, CH4 content in oxygen is down to below 0.1ppm, enters at last through the high purity oxygen gas of purification processes preparation that finished product surge tank 6 is standby to be filled.
Through suction, inhale nitrogen, inhale CO, inhale moisture drying tower 1 after CH4, denitrogenate catalytic adsorption tower 2, removing carbon dioxide catalytic adsorption tower 3 need to carry out desorption and process, adopt electric heater 7 to its heating that heats up during system regeneration, and vacuumize with vacuum pump 8 pairs of systems.
By this device, the purity of brine electrolysis oxygen oxygen is promoted to more than 99.9995%, satisfies the technical indicator of high purity oxygen, create higher economic benefit.Take 1m3 oxygen as example, 1m3 industrial oxygen price is that the price of 4.5 yuan/m3 high purity oxygen gas is 38 yuan/m3, producing 1000000 side's oxygen per year as example, annually creates more than 3,000 ten thousand economic benefit, and input cost only has hundreds of thousands of, and is easy to operate.
Claims (3)
1. high purity oxygen purifying plant, comprise the moisture drying tower, the nitrogen catalytic tower, the carbonic acid gas catalytic tower, strainer, the product surge tank, vacuum pump, it is characterized in that described moisture drying tower outlet valve is connected with nitrogen catalytic tower imported valve, nitrogen catalytic tower outlet valve is connected with carbonic acid gas catalytic tower imported valve, described strainer is divided into grade one filter and secondary filter, described carbonic acid gas catalytic tower outlet valve is connected with the grade one filter imported valve, the grade one filter outlet valve is connected with the secondary filter imported valve, the secondary filter outlet valve is connected with product surge tank imported valve, described carbonic acid gas catalytic tower outlet valve is connected with vacuum pump.
2. high purity oxygen purifying plant according to claim 1, it is characterized in that in described moisture drying tower, silica gel absorber being housed, the PU-8 sorbent material is housed in the nitrogen catalytic tower, in the carbonic acid gas catalytic tower, A type molecular sieve is housed, sewage draining valve is equipped with in grade one filter and secondary filter bottom.
3. high purity oxygen purifying plant according to claim 1, is characterized in that described moisture drying tower, nitrogen catalytic tower and carbonic acid gas catalytic tower casing have electric heater unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220638446 CN202968105U (en) | 2012-11-28 | 2012-11-28 | High-purity oxygen purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220638446 CN202968105U (en) | 2012-11-28 | 2012-11-28 | High-purity oxygen purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202968105U true CN202968105U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220638446 Expired - Lifetime CN202968105U (en) | 2012-11-28 | 2012-11-28 | High-purity oxygen purifying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202968105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261893A (en) * | 2016-12-30 | 2018-07-10 | 天津市华赛尔气体有限公司 | A kind of cut-in type oxygen purification device |
-
2012
- 2012-11-28 CN CN 201220638446 patent/CN202968105U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261893A (en) * | 2016-12-30 | 2018-07-10 | 天津市华赛尔气体有限公司 | A kind of cut-in type oxygen purification device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
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| CX01 | Expiry of patent term |