CN204973475U - Low dew point adsorption tower for pressure swing adsorption nitrogen generator - Google Patents
Low dew point adsorption tower for pressure swing adsorption nitrogen generator Download PDFInfo
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- CN204973475U CN204973475U CN201520646680.4U CN201520646680U CN204973475U CN 204973475 U CN204973475 U CN 204973475U CN 201520646680 U CN201520646680 U CN 201520646680U CN 204973475 U CN204973475 U CN 204973475U
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Abstract
The utility model provides a low dew point adsorption tower for pressure swing adsorption nitrogen generator, including raw materials air inlet and nitrogen gas export, still include oxygen nitrogen disengagement zone and the adsorption zone that is used for the dry gas, be equipped with the adsorbent in the oxygen nitrogen disengagement zone, the adsorption zone includes first adsorption zone and second adsorption zone, and first adsorption zone is located the below of oxygen nitrogen disengagement zone, and the second adsorption zone is located the top of oxygen nitrogen disengagement zone. The utility model provides an adsorption tower realizes through divide first adsorption zone, oxygen nitrogen disengagement zone and second adsorption zone in inside that elementary dewatering, oxygen nitrogen separate, the function of high accuracy dewatering to realize directly preparing the mesh of low dew point nitrogen gas, overcome the tradition and prepared the complicated technology of low dew point nitrogen gas, reduced the energy consumption of valuable nitrogen gas and electric energy, utilize the regeneration gas of pressure swing adsorption nitrogen generator production, can take away moisture during like discharge oxygen and a small amount of nitrogen gas, realize the regeneration drier, and do not increase nitrogen generator's energy consumption, break through the not enough of traditional nitrogen generator, have extensive practicality.
Description
Technical field
The utility model relates to technology swing adsorption nitrogen producing apparatus field, particularly relates to a kind of low dew point varying-voltage adsorption nitrogen machine adsorption tower.
Background technology
At present, most widely used in nitrogen-making device is PSA nitrogen making machine, i.e. varying-voltage adsorption nitrogen machine, and it is raw material with air, using molecular sieve as adsorbent, uses pressure-variable adsorption principle, utilizes molecular sieve to make nitrogen and oxygen separating to the selective absorption of oxygen and nitrogen.Compared with traditional nitrogen making machine, it has, and technological process is simple, automaticity is high, aerogenesis is fast, energy consumption is low, product purity can need to regulate according to user in a big way, the features such as convenient operating maintenance, operating cost are lower, device adaptability is stronger, become the first-selection of user gradually.
Existing PSA nitrogen making machine mostly adopts simple composite bed process, once can only produce the nitrogen that dew point is-40 DEG C, want to produce-60 DEG C and above nitrogen can only increase nitrogen drying device on finished product nitrogen pipeline, high dew point drier mostly adopts pressure-variable adsorption (PSA) to gather the technique of Temp .-changing adsorption (TSA), not only complex process, trouble point is many, invest huge, and valuable finished product nitrogen and electric energy will be consumed, as nitrogen consumption about 5%, power consumption every hundred cubes of about 12KW.
Utility model content
Provide hereinafter about brief overview of the present utility model, to provide about the basic comprehension in some of the present utility model.Should be appreciated that this general introduction is not summarize about exhaustive of the present utility model.It is not that intention determines key of the present utility model or pith, neither intended limitation scope of the present utility model.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
The purpose of this utility model is to provide a kind of low dew point varying-voltage adsorption nitrogen machine adsorption tower.
The low dew point varying-voltage adsorption nitrogen machine adsorption tower that the utility model provides comprises raw air entrance and nitrogen outlet, also comprise oxygen nitrogen Disengagement zone and the adsorption zone for dry gas, oxygen nitrogen is provided with adsorbent in Disengagement zone, adsorption zone comprises the first adsorption zone and the second adsorption zone, first adsorption zone is positioned at the below of oxygen nitrogen Disengagement zone, and the second adsorption zone is positioned at the top of oxygen nitrogen Disengagement zone.
Compared with prior art, the low dew point varying-voltage adsorption nitrogen machine adsorption tower tool that the utility model provides has the following advantages:
1, by dividing the first adsorption zone, oxygen nitrogen Disengagement zone and the second adsorption zone in the inside of adsorption tower, realize the function elementaryly dewatered, oxygen nitrogen is separated, high accuracy dewaters, thus realize the order directly producing low dew point nitrogen, overcome the technique that tradition produces low dew point nitrogen complexity, decrease valuable nitrogen and the energy consumption of electric energy.
The regeneration gas that 2, low dew point varying-voltage adsorption nitrogen machine can be utilized to produce, as taken away moisture when discharging oxygen and a small amount of nitrogen, realizes regenerated desiccant, and does not increase the energy consumption of nitrogen making machine, breach the deficiency of traditional nitrogen making machine, have practicality widely.
Accompanying drawing explanation
With reference to below in conjunction with the explanation of accompanying drawing to the utility model embodiment, above and other objects, features and advantages of the present utility model can be understood more easily.Parts in accompanying drawing are just in order to illustrate principle of the present utility model.In the accompanying drawings, same or similar technical characteristic or parts will adopt same or similar Reference numeral to represent.
The low dew point varying-voltage adsorption nitrogen machine adsorption tower that Fig. 1 provides for the utility model embodiment.
Description of reference numerals:
1-raw air entrance 2-nitrogen outlet 3-nitrogen oxygen separating district
4-first adsorption zone 5-second adsorption zone 6-first flow-disturbing layer
7-second flow-disturbing layer
Detailed description of the invention
With reference to the accompanying drawings embodiment of the present utility model is described.The element described in an accompanying drawing of the present utility model or a kind of embodiment and feature can combine with the element shown in one or more other accompanying drawing or embodiment and feature.It should be noted that for purposes of clarity, accompanying drawing and eliminate expression and the description of parts that have nothing to do with the utility model, known to persons of ordinary skill in the art and process in illustrating.
As shown in Figure 1, the low dew point varying-voltage adsorption nitrogen machine adsorption tower that the present embodiment provides comprises raw air entrance 1 and nitrogen outlet 2, also comprise oxygen nitrogen Disengagement zone 3 and the adsorption zone for dry gas, adsorbent is provided with in oxygen nitrogen Disengagement zone 3, adsorption zone comprises the first adsorption zone 4 and the second adsorption zone 5, first adsorption zone 4 is positioned at the below of oxygen nitrogen Disengagement zone 3, and the second adsorption zone 5 is positioned at the top of oxygen nitrogen Disengagement zone 3.
In the present embodiment, raw air entrance 1 is positioned at the lower end of whole adsorption tower, and nitrogen outlet 2 is positioned at the lower end of whole adsorption tower.Adsorption tower comprises oxygen nitrogen Disengagement zone 3 and the adsorption zone for dry gas, and wherein nitrogen oxygen separating district comprises adsorbent, and it is used for the oxygen in absorbed air; Adsorption zone comprises and is positioned at the second adsorption zone 5 above nitrogen oxygen separating district and the first adsorption zone 4, first adsorption zone 4 be positioned at below nitrogen oxygen separating district 3 and is used for air and adsorbs in advance, and the second adsorption zone 5 is used for the nitrogen that depth drying produces.Whole adsorption tower can realize the function elementaryly dewatered, oxygen nitrogen is separated, high accuracy dewaters, thus realizes the order directly producing low dew point nitrogen, overcomes the technique that tradition produces low dew point nitrogen complexity, decreases valuable nitrogen and the energy consumption of electric energy.Meanwhile, when the oxygen of discharging in adsorption tower and a small amount of nitrogen, can moisture be taken away, realize regenerated desiccant, and not increase the energy consumption of nitrogen making machine, breach the deficiency of traditional nitrogen making machine, have practicality widely.
Preferably, adsorbent is carbon molecular sieve.
In the present embodiment, the adsorbent arranged in nitrogen oxygen separating district 3 is carbon molecular sieve.Because carbon molecular sieve inside includes a large amount of micropores, these micropores allow the little molecule of aerodynamic size to be diffused rapidly in hole, with entering of limit major diameter molecule, because the gas molecule relative diffusion speed of different size there are differences, the component of admixture of gas can be effectively separated.Because the micropore size in carbon molecular sieve can only by oxygen with not by nitrogen, being separated of oxygen and nitrogen in the existing air of historical facts or anecdotes, reaches the object of nitrogen processed.
Preferably, molecular sieve desiccant is provided with in the first adsorption zone 4 and the second adsorption zone 5.
In the present embodiment, molecular sieve desiccant is provided with respectively in the first adsorption zone 4 and the second adsorption zone 5, molecular sieve desiccant has very strong adsorptivity for hydrone, in the first adsorption zone 4, arrange molecular sieve desiccant can realize carrying out pre-dried to the air entered in adsorption tower, realize elementary dewatering, in second adsorption zone 5, molecular sieve desiccant is set, the moisture in degree of depth removing oxygen separation nitrogen out can be realized, reach and obtain low dew point nitrogen.In use, according to the loadings of the gas production determination dry molecular sieves of nitrogen making machine, can guarantee that depth drying molecular sieve is operated in optimum state.
Preferably, be provided with between the first adsorption zone 4 and oxygen nitrogen Disengagement zone 3 between first flow-disturbing layer 6, second adsorption zone 5 and oxygen nitrogen Disengagement zone 3 and be provided with the second flow-disturbing layer 7.
In the present embodiment, the first flow-disturbing layer 6 is provided with between the first adsorption zone 4 and oxygen nitrogen Disengagement zone 3, the second flow-disturbing layer 7 is provided with between second adsorption zone 5 and oxygen nitrogen Disengagement zone 3, flow-disturbing layer can realize the rectilinear motion of gas, and then nitrogen separation and degree of drying maximize, and effectively improve purity and the dew point of nitrogen.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (4)
1. one kind low dew point varying-voltage adsorption nitrogen machine adsorption tower, comprise raw air entrance and nitrogen outlet, it is characterized in that, also comprise oxygen nitrogen Disengagement zone and the adsorption zone for dry gas, adsorbent is provided with in described oxygen nitrogen Disengagement zone, described adsorption zone comprises the first adsorption zone and the second adsorption zone, and described first adsorption zone is positioned at the below of described oxygen nitrogen Disengagement zone, and described second adsorption zone is positioned at the top of described oxygen nitrogen Disengagement zone.
2. low dew point varying-voltage adsorption nitrogen machine adsorption tower according to claim 1, it is characterized in that, described adsorbent is carbon molecular sieve.
3. low dew point varying-voltage adsorption nitrogen machine adsorption tower according to claim 1, is characterized in that, be provided with molecular sieve desiccant in described first adsorption zone and the second adsorption zone.
4. low dew point varying-voltage adsorption nitrogen machine adsorption tower according to claim 1, it is characterized in that, be provided with the first flow-disturbing layer between described first adsorption zone and described oxygen nitrogen Disengagement zone, between described second adsorption zone and described oxygen nitrogen Disengagement zone, be provided with the second flow-disturbing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646680.4U CN204973475U (en) | 2015-08-25 | 2015-08-25 | Low dew point adsorption tower for pressure swing adsorption nitrogen generator |
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| CN201520646680.4U CN204973475U (en) | 2015-08-25 | 2015-08-25 | Low dew point adsorption tower for pressure swing adsorption nitrogen generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080288A (en) * | 2015-08-25 | 2015-11-25 | 江苏嘉宇流体装备有限公司 | Adsorption column for low-dew-point pressure swing adsorption nitrogen making machine |
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2015
- 2015-08-25 CN CN201520646680.4U patent/CN204973475U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080288A (en) * | 2015-08-25 | 2015-11-25 | 江苏嘉宇流体装备有限公司 | Adsorption column for low-dew-point pressure swing adsorption nitrogen making machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 226600, No. 516, Zhen Nan Road, Haian County, Nantong, Jiangsu, Haian Patentee after: JIANGSU JIAYU SPECIAL EQUIPMENT CO., LTD. Address before: 226600, No. 516, Zhen Nan Road, Haian County, Nantong, Jiangsu, Haian Patentee before: JIANGSU JIAYU FLUID EQUIPMENT CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20200825 |