CN206762589U - A kind of energy-saving molecular sieve electric heater unit - Google Patents
A kind of energy-saving molecular sieve electric heater unit Download PDFInfo
- Publication number
- CN206762589U CN206762589U CN201720459294.3U CN201720459294U CN206762589U CN 206762589 U CN206762589 U CN 206762589U CN 201720459294 U CN201720459294 U CN 201720459294U CN 206762589 U CN206762589 U CN 206762589U
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- Prior art keywords
- electric heater
- molecular sieve
- purification
- absorber
- air
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- Separation Of Gases By Adsorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Drying Of Gases (AREA)
Abstract
The utility model belongs to sieve purification system technical field,It is related to a kind of energy-saving molecular sieve electric heater unit,Dirty nitrogen gas control valve is installed between dirty nitrogen collection device and electric heater,First absorber,Second absorber is sequentially provided with corresponding molecular sieve and purification collecting pipe from outside to inside,Electric heater and the first molecular sieve,First electric heater control valve is installed between the second molecular sieve,Second electric heater control valve,Air trapping case and the first molecular sieve to be clean,First air shut-off valve is installed between the second molecular sieve,Second air shut-off valve,First purification collecting pipe,The first purification air trapping valve is installed between second purification collecting pipe and purification air trapping case,Second purification air trapping valve,Cold air collecting box and the first absorber,Cold air control valve corresponding to being separately installed between second absorber and electric heater,Solve the problems, such as that electric heater is maintained at the condition of high temperature and can influence electric heater service life for a long time.
Description
Technical field
The utility model belongs to sieve purification system technical field, is related to a kind of energy-saving molecular sieve electric heater unit.
Background technology
When gas contacts with solid absorbent, in the surface of solids or the internal phenomenon that can occur to accommodate gas, as inhale
It is attached.Adsorption process is divided into two kinds of physical absorption and chemisorbed, and physical absorption relies primarily on intermolecular force (Van der Waals force),
The chemical property of adsorbent and adsorbate is basically unchanged；Chemisorbed relies primarily on adsorbate and forms chemical bond with adsorbent, by
Changed in the structure of adsorption bond, chemical property also changes.
Space division regenerating molecular sieve (desorption) regenerates after referring to adsorption saturation to adsorbent, recovers adsorption capacity.Regeneration
There are two methods, hot reactivation and decompression regenerate.When hot reactivation utilizes adsorbent high temperature adsorption capacity reduce principle, add
Wet body is passed through adsorption layer so that adsorption layer temperature raises, and is adsorbed component desorption.
Spatial division technology is widely used in chemical industry, metallurgy, electronics, Aero-Space, machine-building, biology, medical treatment etc. at present
Multiple fields.Efficient utilization to air separation unit long-term safety stable operation most importantly molecular sieve, and electric heater pair
Vital effect is played in the long-acting use of molecular sieve.
Electric heater is one of main accessories in sieve purification system, and molecular sieve is in adsorption moisture, acetylene and dioxy
After change carbon becomes saturation, it is necessary to parsed, i.e., more than 170 DEG C of high temperature regeneration is carried out with undersaturated nitrogen, could be caused
Sorbent molecule sieve recovers its adsorption capacity, in case the normal work of next cycle.Molecular sieve parsing after, molecular sieve need into
Row is gradually decrease to room temperature, and when cooling to molecular sieve, electric heater stops to molecular sieve heat supply, and electric heater is maintained at one
The state of high-temperature closed, temperature can not reduce, and electric heater sends high temperature alarm, and the long term high temperature of electric heater can influence electricity and add
The service life of hot device, causes heating tube to damage.
Utility model content
In view of this, the utility model is maintained at the condition of high temperature and can influence electric heater to solve electric heater and makes for a long time
A kind of the problem of with the life-span, there is provided energy-saving molecular sieve electric heater unit.
To reach above-mentioned purpose, the utility model provides following technical scheme：Dress is collected including electric heater, dirty nitrogen
Put, air trapping case to be clean, purification air trapping case, cold air collecting box, the first absorber and the second absorber, dirty nitrogen
Dirty nitrogen gas control valve is installed, the first absorber is sequentially provided with the first molecular sieve from outside to inside between collection device and electric heater
With the first purification collecting pipe, the second absorber is sequentially provided with the second molecular sieve and the second purification collecting pipe from outside to inside, and first inhales
It is loose network structure that pipe outer wall is collected in adnexa, the second absorber, the first purification collecting pipe and the second purification, electric heater
First electric heater control valve is installed between the first molecular sieve, the second electric heating is installed between electric heater and the second molecular sieve
Device control valve, first air shut-off valve, air trapping to be clean are installed between air trapping case and the first molecular sieve to be clean
Second air shut-off valve is installed between case and the second molecular sieve, installed between the first purification collecting pipe and purification air trapping case
There is the first purification air trapping valve, the second purification air trapping is installed between the second purification collecting pipe and purification air trapping case
The control of the first cold air is separately installed between valve, cold air collecting box and the first absorber, the second absorber and electric heater
Valve, the second cold air control valve and the 3rd cold air control valve.
Further, corresponding to being equipped with air trapping case to be clean, purification air trapping case and dirty nitrogen collection device
Compressor.
Further, dirty nitrogen collection device is provided with thermoregulator, is equipped with the first absorber and the second absorber
Temperature indicator.
Further, the netted knot of tube wall is collected in the first absorber, the second absorber, the first purification collecting pipe and the second purification
The particle diameter of structure is respectively smaller than the particle diameter of corresponding first molecular sieve and the second molecular sieve.
Further, the first absorber, the second absorber, the first purification collecting pipe and the second purification collection tube wall particle diameter are
200nm。
Further, electric heater is vertical or horizontal.
Further, some electric heating tubes are provided with electric heater.
The beneficial effects of the utility model are：
1st, the air to be clean after air compressor compresses enters in the first molecular sieve on the first absorber, and first
Molecular sieve by the moisture in air, acetylene and carbon dioxide adsorption, by the first purification collecting pipe received by the air after filtering
Collection is into purification air trapping case；After electric heater heats dirty nitrogen, dirty nitrogen enters in the first molecular sieve, adsorbs in air
The molecular sieve of saturation first of moisture, acetylene and carbon dioxide is parsed, after the adsorbent heating on the first molecular sieve, adsorbent
Adsorbance reduce, moisture, acetylene and carbon dioxide with dirty nitrogen flowing discharge the first absorber.Meanwhile cold air is received
Header is constantly cooled to the first molecular sieve so that the first molecular sieve recovers adsorption capacity.At this point it is possible to pass through the second molecule
Sieve purifies to air to be clean, the second electric heater control valve on the second molecular sieve is opened, by the heat in electric heater
Amount is imported in the second molecular sieve, carries out desorption to the second molecular sieve, the heat energy in electric heater is reused, on the one hand save
Heat energy has been saved, electric heater has on the one hand been also prevent and is chronically at high temperature, has influenceed the service life of electric heating tube in electric heater.
2nd, by setting two groups of absorbers, the molecular sieve in two groups of absorbers alternately purifies to air to be clean, molecule
The heat in electric heater is used alternatingly respectively when sieve alternating desorption, the power of electric heater can be reduced, also can
Reduce electric energy, remarkable in economical benefits.
3rd, this energy-saving molecular sieve electric heater unit, simple and compact for structure, floor space is small, is very suitable for promotion and implementation.
Brief description of the drawings
In order that the purpose of this utility model, technical scheme and beneficial effect are clearer, the utility model provides as follows
Accompanying drawing illustrates：
Fig. 1 is the structural representation of the energy-saving molecular sieve electric heater unit of the utility model.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
Reference in Figure of description includes：
Electric heater 11, dirty nitrogen collection device 12, dirty nitrogen gas control valve 13, purification air trapping case 14, first adsorb
Device 15, the second absorber 16, the first molecular sieve 17, the second molecular sieve 18, first purification collecting pipe 19, second purify collecting pipe
20th, air trapping case 21 to be clean, the second air shut-off valve 22, the first air shut-off valve 23, the second electric heater control valve 24,
One electric heater control valve 25, first purification air trapping valve 26, second purifies air trapping valve 27, cold air collecting box 28, the
Two cold air control valves 29, the first cold air control valve 30, the 3rd cold air control valve 31.
A kind of energy-saving molecular sieve electric heater unit as shown in Figure 1, be followed successively by from right to left vertical electric heater 11,
First absorber 15 and the second absorber 16,50 electric heating tubes are installed in electric heater 11, dirty nitrogen collection device 12 is pacified
Mounted in the right side of electric heater 11, thermoregulator, dirty nitrogen collection device 12 and electrical heating are installed on dirty nitrogen collection device 12
Dirty nitrogen gas control valve 13 is installed between device 11.
First absorber 15 is sequentially provided with the first molecular sieve 17 and the first purification collecting pipe 19, the second absorber from outside to inside
16 are sequentially provided with the second molecular sieve 18 and the second purification collecting pipe 20 from outside to inside, the first absorber 15, the second absorber 16, the
It is loose network structure that one purification collecting pipe 19 and second, which purifies the outer wall of collecting pipe 20, the molecular sieve of electric heater 11 and first
First electric heater control valve 25 is installed between 17, second electric heater control valve is installed between the molecular sieve 18 of electric heater 11 and second
24, the first absorber 15, the second absorber 16, first purification collecting pipe 19 and second purify the tube wall particle diameter of collecting pipe 20 and are
200nm。
Air trapping case 21 and cold air collecting box 28 to be clean are installed in the left side of the second absorber 16, sky to be clean
First air shut-off valve 23, the molecule of air trapping case 21 and second to be clean are installed between the molecular sieve 17 of gas collecting box 21 and first
Second air shut-off valve 22 is installed, installation first is net between the first purification collecting pipe 19 and purification air trapping case 14 between sieve 18
Change air trapping valve 26, the purification of installation second air trapping valve between the second purification collecting pipe 20 and purification air trapping case 14
27, first cold sky is installed respectively between the absorber 15 of cold air collecting box 28 and first, the second absorber 16 and electric heater 11
Gas control valve 30, the second cold air control valve 29 and the 3rd cold air control valve 31.
The energy-saving molecular sieve electric heater unit is in use, first turn on the first air shut-off valve 23 and the first purification air
Valve 26 is collected, air to be clean is passed through into the first molecular sieve 17 by air trapping case 21 to be clean, in the first molecular sieve 17
Adsorbent by the moisture in air to be clean, acetylene, carbon dioxide etc. adsorb in adsorbent, the air trapping after purification exists
Purify in air trapping case 14；The first air shut-off valve 23 and the first purification air trapping valve 26 are then shut off, opens dirty nitrogen
The electric heater control valve 25 of control valve 13 and first, electric heater 11 heat dirty nitrogen, and dirty nitrogen enters in the first molecular sieve 17,
First molecular sieve 17 is heated, the gas such as moisture, acetylene, carbon dioxide in the first molecular sieve 17 is gradually discharged with dirty nitrogen
First absorber 15.The dirty electric heater control valve 25 of nitrogen gas control valve 13 and first is closed, opens the first cold air control valve 30, it is cold
Cold air in air trapping case 28 cools to the first molecular sieve 17, room temperature is made it restore to, again to air to be clean
Adsorbed, close the first cold air control valve 30.
While first 17 desorption of molecular sieve, the second air shut-off valve 22 and the second purification air trapping valve 27 are opened,
Air to be clean is passed through into the second molecular sieve 18 by air trapping case 21 to be clean, the adsorbent in the second molecular sieve 18 will
Moisture, acetylene, carbon dioxide in air to be clean etc. adsorb, and the air trapping after purification is in air trapping case 14 is purified；
The second air shut-off valve 22 and the second purification air trapping valve 27 are then shut off, opens the dirty electric heater of nitrogen gas control valve 13 and second
Control valve 24, electric heater 11 heat dirty nitrogen, and dirty nitrogen enters in the second molecular sieve 18, and the second molecular sieve 18 is heated,
The gases such as moisture, acetylene, carbon dioxide in the second molecular sieve 18 gradually discharge the second absorber 16 with dirty nitrogen.Close dirty
The electric heater control valve 24 of nitrogen gas control valve 13 and second, the second cold air control valve 29 is opened, it is cold in cold air collecting box 28
Air cools to the second molecular sieve 18, makes it restore to room temperature, and air to be clean is adsorbed again, and it is cold to close second
Air shut-off valve 29.
When first molecular sieve 17 adsorbs, the second molecular sieve 18 carries out desorption so that being inhaled to first in electric heater 11
The absorber 16 of adnexa 15 and second heats in turn, improves electrically heated heat utilization rate, prevents electric heater 11 to be chronically at height
Temperature, reduce the service life of electric heater 11.After purification of air to be clean terminates, all control valves while unlatching the 3rd are closed
Cold air control valve 31, electric heater 11 is cooled by cold air.
Finally illustrate, preferred embodiment above is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent
The utility model has been described in detail by above preferred embodiment for pipe, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The scope of restriction.
Claims (7)
1. a kind of energy-saving molecular sieve electric heater unit, it is characterised in that including electric heater, dirty nitrogen collection device, treat only
Change air trapping case, purification air trapping case, cold air collecting box, the first absorber and the second absorber, the dirty nitrogen is received
Dirty nitrogen gas control valve is installed, first absorber is sequentially provided with the first molecule from outside to inside between acquisition means and electric heater
Sieve and the first purification collecting pipe, second absorber are sequentially provided with the second molecular sieve and the second purification collecting pipe from outside to inside,
It is loose netted knot that pipe outer wall is collected in first absorber, the second absorber, the first purification collecting pipe and the second purification
Structure, the first electric heater control valve, the electric heater and the second molecule are installed between the electric heater and the first molecular sieve
Second electric heater control valve is installed between sieve, it is empty that first is provided between the air trapping case to be clean and the first molecular sieve
Gas control valve, the second air shut-off valve is installed between the air trapping case to be clean and the second molecular sieve, described first is net
Change and the first purification air trapping valve is installed between collecting pipe and purification air trapping case, the second purification collecting pipe and purification
Second purification air trapping valve, the cold air collecting box and the first absorber, the second absorption are installed between air trapping case
The first cold air control valve, the second cold air control valve and the control of the 3rd cold air are separately installed between device and electric heater
Valve.
2. energy-saving molecular sieve electric heater unit as claimed in claim 1, it is characterised in that the air trapping to be clean
Corresponding compressor is equipped with case, purification air trapping case and dirty nitrogen collection device.
3. energy-saving molecular sieve electric heater unit as claimed in claim 2, it is characterised in that on the dirty nitrogen collection device
Provided with thermoregulator, temperature indicator is equipped with first absorber and the second absorber.
4. energy-saving molecular sieve electric heater unit as claimed in claim 3, it is characterised in that first absorber, second
The particle diameter that tube wall network structure is collected in absorber, the first purification collecting pipe and the second purification is respectively smaller than corresponding first molecular sieve
With the particle diameter of the second molecular sieve.
5. energy-saving molecular sieve electric heater unit as claimed in claim 4, it is characterised in that first absorber, second
It is 200nm that tube wall particle diameter is collected in absorber, the first purification collecting pipe and the second purification.
6. the energy-saving molecular sieve electric heater unit as described in Claims 1 to 5 is any, it is characterised in that the electric heater
To be vertical or horizontal.
7. energy-saving molecular sieve electric heater unit as claimed in claim 6, it is characterised in that if being provided with the electric heater
Dry electric heating tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459294.3U CN206762589U (en) | 2017-04-25 | 2017-04-25 | A kind of energy-saving molecular sieve electric heater unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720459294.3U CN206762589U (en) | 2017-04-25 | 2017-04-25 | A kind of energy-saving molecular sieve electric heater unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206762589U true CN206762589U (en) | 2017-12-19 |
Family
ID=60634058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720459294.3U Expired - Fee Related CN206762589U (en) | 2017-04-25 | 2017-04-25 | A kind of energy-saving molecular sieve electric heater unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206762589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110327906A (en) * | 2019-08-12 | 2019-10-15 | 芜湖新兴铸管有限责任公司 | Utilize afterheat steam and/or the device of electric heating dirt nitrogen activation molecular sieve |
-
2017
- 2017-04-25 CN CN201720459294.3U patent/CN206762589U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110327906A (en) * | 2019-08-12 | 2019-10-15 | 芜湖新兴铸管有限责任公司 | Utilize afterheat steam and/or the device of electric heating dirt nitrogen activation molecular sieve |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20180425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |