CN208229602U - Energy saving nitrogen making machine - Google Patents
Energy saving nitrogen making machine Download PDFInfo
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- CN208229602U CN208229602U CN201820417017.0U CN201820417017U CN208229602U CN 208229602 U CN208229602 U CN 208229602U CN 201820417017 U CN201820417017 U CN 201820417017U CN 208229602 U CN208229602 U CN 208229602U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
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Abstract
The utility model relates to a kind of nitrogen gas generating systems, in particular to a kind of energy saving nitrogen making machine, including air reservoir, first adsorption tower, second adsorption tower, nitrogen basin, air reservoir and nitrogen basin pass through pipeline and valve is separately connected the first adsorption tower, the inlet end of second adsorption tower, outlet side, the 4th valve is connected between the inlet end of first adsorption tower and the inlet end of the second adsorption tower, 5th valve, the 9th valve is connected between the outlet side of first adsorption tower and the outlet side of the second adsorption tower, tenth valve, nitrogen basin is connected between the 9th valve and the tenth valve, Tail gas measuring mouth is equipped between 4th valve and the 5th valve, oxygen concentration measurer is equipped at Tail gas measuring mouth, nitrogen basin is connected in the pipeline between the 9th valve and the tenth valve equipped with the first pneumatic operated valve, air reservoir is connect with the first pneumatic operated valve, and Connecting line is equipped with the second pneumatic operated valve.The utility model has the advantages that reduce nitrogen blowback amount.
Description
Technical field
The utility model relates to a kind of nitrogen gas generating system, in particular to a kind of energy saving nitrogen making machine.
Background technique
Nitrogen making machine is the nitrogen producing equipment by pressure swing adsorption design, manufacture.Nitrogen making machine is with high-quality import carbon molecules
Sieve is adsorbent, using the nitrogen of principle of pressure swing adsorption separation air high-purity under room temperature.Simultaneously usually using two adsorption towers
Connection controls import pneumatic operated valve automatic running, alternately pressurized adsorbent and decompression regeneration by PLC, completes the separation of oxygen nitrogen, obtain institute
Need the nitrogen of high-purity.
In the operational process of high-purity nitrogen making machine, backflowing gas amount accounts for a big chunk of output tolerance, at the beginning of blowback therein
Phase, oxygen concentration is higher in adsorption tower, and the nitrogen of blowback, which only enters, have been neutralized and then has been then exhausted from, nitrogen utilization rate compared with
It is low, and in the blowback later period just needs to be carried out with the nitrogen of high-purity and, the backflowing gas amount of whole process can reach total tolerance
15%-35%, the wasting of resources are larger.
Utility model content
The utility model provides a kind of energy saving nitrogen making machine, has the advantages that reduce nitrogen blowback amount.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of energy saving nitrogen making machine,
Including air reservoir, the first adsorption tower, the second adsorption tower, nitrogen basin, air reservoir and nitrogen basin pass through pipeline and valve
Door is separately connected the first adsorption tower, the inlet end of the second adsorption tower, outlet side, the inlet end of the first adsorption tower and the second adsorption tower
Inlet end between be connected with the 4th valve, the 5th valve, the outlet side of the outlet side of the first adsorption tower and the second adsorption tower it
Between be connected with the 9th valve, the tenth valve, nitrogen basin is connected between the 9th valve and the tenth valve, the 4th valve and
Be equipped with Tail gas measuring mouth between five valves, be equipped with oxygen concentration measurer at Tail gas measuring mouth, nitrogen basin be connected in the 9th valve with
Pipeline between tenth valve is equipped with the first pneumatic operated valve, and air reservoir is connect with the first pneumatic operated valve, and connecting line is equipped with
Second pneumatic operated valve.
By using above-mentioned technical proposal, when equipment (such as second adsorption tower) starts regeneration, the second pneumatic operated valve opening,
First pneumatic operated valve is closed, and the compressed air in air reservoir passes into the tenth valve and purges to the second adsorption tower；When tail gas is examined
When the oxygen concentration that survey mouth detects reaches certain numerical value, closes the second pneumatic operated valve, opens the first pneumatic operated valve, in nitrogen basin
High-purity nitrogen gas purger.Blowback is carried out with the high-purity nitrogen in nitrogen basin due to not being whole process, so reducing nitrogen
Gas blowback amount, saves a large amount of high-purity nitrogens.
Preferably, first flow control valve is equipped between first pneumatic operated valve and nitrogen basin.
By using above-mentioned technical proposal, the oxygen concentration that Tail gas measuring mouth can be cooperated to detect is judged to regenerate in adsorption tower
The nitrogen utilization rate of gas, and the flow of nitrogen basin blowback nitrogen is adjusted by first flow control valve, to reach saving
The purpose of high-purity nitrogen in nitrogen basin.
Preferably, second flow control valve is equipped between second pneumatic operated valve and air reservoir.
By using above-mentioned technical proposal, the oxygen concentration that Tail gas measuring mouth can be cooperated to detect is judged to regenerate in adsorption tower
The nitrogen utilization rate of gas, and the flow of air reservoir blowback air is adjusted by second flow control valve, to reach saving
The purpose of compressed air in air reservoir.
Preferably, the outlet side of the air reservoir is connected with the first valve, and the pipeline after the first valve separates two-way, and one
Road connection the second valve in parallel, third valve, the second valve are connected in the inlet end of the first adsorption tower, and third valve is connected in second
The inlet end of adsorption tower, another way connect the second pneumatic operated valve.
By using above-mentioned technical proposal, in the case where the first valve is opened, the second valve is opened, air reservoir can be to
First adsorption tower inputs compressed air, the oxygen high-purity nitrogen in the first adsorption tower adsorption compression air；Open third
When valve, air reservoir can input compressed air to the second adsorption tower, and the oxygen in the second adsorption tower adsorption compression air is produced
High-purity nitrogen.
Preferably, the pipeline after first pneumatic operated valve separates two-way, is connected between the 9th valve and the tenth valve all the way,
Another way connects the second pneumatic operated valve.
By using above-mentioned technical proposal, be selectively opened the 9th valve, the tenth valve respectively to the first adsorption tower,
Second adsorption tower pulse cleaning gas.
Preferably, first pneumatic operated valve is connected in the pipeline between the 9th valve, the tenth valve equipped with first flowmeter.
By using above-mentioned technical proposal, the nitrogen flow of nitrogen basin blowback can be known by first flowmeter.
Preferably, the inlet end of the nitrogen basin is connected with the 8th valve, and the pipeline after the 8th valve is divided into two-way, point
Not Lian Jie the 6th valve, the 7th valve, the 6th valve is connected to the outlet side of the first adsorption tower, and the 7th valve is connected to the second suction
The outlet side of attached tower.
By using above-mentioned technical proposal, when opening six valves, the nitrogen that the first adsorption tower is produced can be input to nitrogen
It is stored in basin；When opening seven valves, the nitrogen that the second adsorption tower is produced, which can be input in nitrogen basin, to be stored.
Preferably, the outlet side of the nitrogen basin is equipped with pressure reducing valve, and the pipeline after pressure reducing valve is divided into two-way, connects all the way
First pneumatic operated valve is successively arranged second flowmeter, the 11st valve in another way.
By using above-mentioned technical proposal, the gas pressure being discharged from nitrogen basin can be reduced by pressure reducing valve, after decompression
Nitrogen be mostly used in blowback, discharge is discharged by the 11st valve in fraction.
In conclusion the utility model has the following beneficial effects:
1, the air consumption that can largely reduce nitrogen basin blowback, reduces energy consumption indirectly；
2, only increase a small amount of investment purchase oxygen concentration measurer, add pipeline and valve, 10% or so nitrogen can be saved
Gas can save 15% in producing for high pure nitrogen, and energy-saving effect is obvious.
Detailed description of the invention
Fig. 1 is the overall structure figure of energy saving nitrogen making machine.
In figure, the 1, first valve；2, the second valve；3, third valve；4, the 4th valve；5, the 5th valve；6, the 6th valve
Door；7, the 7th valve；8, the 8th valve；9, the 9th valve；10, the tenth valve；11, the 11st valve；12, the first pneumatic operated valve；
13, first flow control valve；14, the second pneumatic operated valve；15, second flow control valve；16, air reservoir；17, the first adsorption tower；
18, the second adsorption tower；19, nitrogen basin；20, Tail gas measuring mouth；21, oxygen concentration measurer；22, first flowmeter；23, second
Flowmeter；24, pressure reducing valve；25, muffler.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of energy conservation nitrogen making machine, as shown in Figure 1, mainly by air reservoir 16, nitrogen basin 19, the first adsorption tower 17, the
Two adsorption towers 18, several valves and several pipelines for connection form.
Filled with clean compressed air in air reservoir 16, air reservoir 16 is separately connected the first adsorption tower 17 by pipeline
With the second adsorption tower 18, the first valve 1 is housed on the supervisor connecting with air reservoir 16, is responsible on two branch pipes of connection respectively
Equipped with the second valve 2, third valve 3, the second valve 2 and the first adsorption tower 17 are connected, and third valve 3 connects with the second adsorption tower 18
It is logical.
The first valve 1, the second valve 2 are opened, other valves are closed, and the suction of the first adsorption tower 17 can be allowed compressed air into
Attached oxygen (the second adsorption tower 18 desorbs at this time), thus high-purity nitrogen.The outlet side of first adsorption tower 17 and nitrogen are store
Tank 19 is connected by pipeline, is sequentially installed with the 6th valve 6, the 8th valve 8 along gas flow on pipeline, the nitrogen warp produced
It crosses this two valve and enters the storage of nitrogen basin 19.
The first valve 1, third valve 3 are opened, other valves are closed, and the suction of the second adsorption tower 18 can be allowed compressed air into
Attached oxygen (the first adsorption tower 17 desorbs at this time), thus high-purity nitrogen.The outlet side of second adsorption tower 18 and nitrogen are store
Tank 19 is connected by pipeline, is equipped with seventh valve 7 in parallel with above-mentioned 6th valve 6 on pipeline, the nitrogen produced is through the 7th
Valve 7, the 8th valve 8 enter nitrogen basin 19 and store.
When entering the decrease in air pressure of carbon molecular sieve bed to normal pressure (0.1MPa), adsorbed in carbon molecular sieve micropore
Oxygen molecule is released, i.e., so-called normal pressure desorption.Desorption needs nitrogen basin 19 to be passed through regeneration gas blowback into adsorption tower.
The outlet side of nitrogen basin 19 is separately connected the first adsorption tower 17 and the second adsorption tower 18 by pipeline, and pressure reducing valve is housed on pipeline
24, the nitrogen released in nitrogen basin 19 is depressurized, is connected to two branch pipes after pressure reducing valve 24, wherein a branch pipe installation is first-class
Meter 22 connects two adsorption towers, and another branch pipe installs second flowmeter 23 and connect the 11st valve 11 to go out as nitrogen
Mouthful.The branch pipe for being equipped with first flowmeter 22 separates the branch pipe of two the 9th valves 9 of installation, the tenth valve 10, the 9th valve 9 again
It is connected with the outlet side of the first adsorption tower 17, the outlet side of the tenth valve 10 and the second adsorption tower 18 is connected.First flowmeter 22
For measuring the flow and pipeline pressure that pass to the regeneration gas of two adsorption towers from nitrogen basin 19, second flowmeter 23 is for surveying
Measure the flow and pipeline pressure of nitrogen in the gas relief line that loses heart.
It opens the 9th valve 9, close the tenth valve 10, enter nitrogen blowback in the first adsorption tower 17 and desorb；Open the tenth
Valve 10 closes the 9th valve 9, enters nitrogen blowback in the second adsorption tower 18 and desorbs.The inlet end of first adsorption tower 17 is connected
There is the pipeline of the 4th valve 4 of installation, the inlet end of the second adsorption tower 18 connects the pipeline for having the 5th valve 5 of installation, two absorption
The oxygen-containing exhaust gas of tower desorption discharge passes through the discharge tube discharge connected between the 4th valve 4 and the 5th valve 5, discharge tube
Nozzle at muffler 25 is installed, be also provided with Tail gas measuring mouth 20 on discharge tube, setting oxygen is dense in Tail gas measuring mouth 20
Spend analyzer 21.
That pipeline that blowback pipeline, that is, pressure reducing valve 24 of nitrogen basin 19 is connect with two adsorption towers, anti-blowpipe road
First flow control valve 13, the first pneumatic operated valve 12 are successively installed between pressure reducing valve 24 and first flowmeter 22.Air reservoir 16
Connecting tube in, the pipeline of the first valve 1 of installation is main line, and the pipeline after the first valve 1 is except the second valve 2 of connection and third
Outside valve 3, the anti-blowpipe road that a branch pipe is connected to nitrogen basin 19 is also separated, that is, is connected in first flowmeter 22 and the first gas
Between dynamic valve 12, this branch road is also sequentially installed with second flow control valve 15, the second pneumatic operated valve 14.The benefit being designed in this way
It is:
When wherein an equipment (such as second adsorption tower 18) starts regeneration, the second pneumatic operated valve 14 opening, first are pneumatically
Valve 12 is closed, and the compressed air in air reservoir 16 enters the second adsorption tower 18 by the tenth valve 10 and purges；Work as Tail gas measuring
When the oxygen concentrations that mouth 20 detects reach certain numerical value (adjustable), closes the second pneumatic operated valve 14, opens the first pneumatic operated valve 12, use nitrogen
High-purity nitrogen in gas-reservoir tank 19 is purged into the second adsorption tower 18.Due to not being the whole high-purity in nitrogen basin 19
Nitrogen carries out blowback and saves a large amount of high-purity nitrogens so reducing nitrogen blowback amount.
The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of energy conservation nitrogen making machine, including air reservoir (16), the first adsorption tower (17), the second adsorption tower (18), nitrogen basin
(19), air reservoir (16) and nitrogen basin (19) are separately connected the first adsorption tower (17), the second suction by pipeline and valve
The inlet end of attached tower (18), outlet side connect between the inlet end of the first adsorption tower (17) and the inlet end of the second adsorption tower (18)
Be connected to the 4th valve (4), the 5th valve (5), the outlet sides of the outlet side of the first adsorption tower (17) and the second adsorption tower (18) it
Between be connected with the 9th valve (9), the tenth valve (10), nitrogen basin (19) be connected in the 9th valve (9) and the tenth valve (10) it
Between, it is characterized in that: Tail gas measuring mouth (20) are equipped between the 4th valve (4) and the 5th valve (5), Tail gas measuring mouth (20)
Place is equipped with oxygen concentration measurer (21), and nitrogen basin (19) is connected on the pipeline between the 9th valve (9) and the tenth valve (10)
Equipped with the first pneumatic operated valve (12), air reservoir (16) is connect with the first pneumatic operated valve (12), and connecting line is equipped with second pneumatically
Valve (14).
2. energy conservation nitrogen making machine according to claim 1, it is characterized in that: first pneumatic operated valve (12) and nitrogen basin (19)
Between be equipped with first flow control valve (13).
3. energy conservation nitrogen making machine according to claim 1, it is characterized in that: second pneumatic operated valve (14) and air reservoir (16)
Between be equipped with second flow control valve (15).
4. energy conservation nitrogen making machine according to claim 1, it is characterized in that: the outlet side of the air reservoir (16) is connected with the
One valve (1), the pipeline after the first valve (1) separate two-way, connect the second valve (2) in parallel, third valve (3) all the way,
Second valve (2) is connected in the inlet end of the first adsorption tower (17), and third valve (3) is connected in the inlet end of the second adsorption tower (18),
Another way connects the second pneumatic operated valve (14).
5. energy conservation nitrogen making machine according to claim 1, it is characterized in that: the pipeline after first pneumatic operated valve (12) separates two
Road is connected in all the way between the 9th valve (9) and the tenth valve (10), and another way connects the second pneumatic operated valve (14).
6. energy conservation nitrogen making machine according to claim 5, it is characterized in that: first pneumatic operated valve (12) is connected in the 9th valve
(9), the pipeline between the tenth valve (10) is equipped with first flowmeter (22).
7. energy conservation nitrogen making machine according to claim 1, it is characterized in that: the inlet end of the nitrogen basin (19) is connected with the
Eight valves (8), the pipeline after the 8th valve (8) are divided into two-way, are separately connected the 6th valve (6), the 7th valve (7), the 6th valve
Door (6) is connected to the outlet side of the first adsorption tower (17), and the 7th valve (7) is connected to the outlet side of the second adsorption tower (18).
8. energy conservation nitrogen making machine according to claim 1, it is characterized in that: the outlet side of the nitrogen basin (19) is equipped with decompression
Valve (24), the pipeline after pressure reducing valve (24) are divided into two-way, connect the first pneumatic operated valve (12) all the way, be successively arranged second in another way
Flowmeter (23), the 11st valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820417017.0U CN208229602U (en) | 2018-03-26 | 2018-03-26 | Energy saving nitrogen making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820417017.0U CN208229602U (en) | 2018-03-26 | 2018-03-26 | Energy saving nitrogen making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208229602U true CN208229602U (en) | 2018-12-14 |
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ID=64585677
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820417017.0U Active CN208229602U (en) | 2018-03-26 | 2018-03-26 | Energy saving nitrogen making machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN208229602U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112250045A (en) * | 2020-10-23 | 2021-01-22 | 宁波岚新空分设备科技有限公司 | Nitrogen preparation system capable of realizing high precision and different concentrations |
| CN112691497A (en) * | 2020-12-04 | 2021-04-23 | 天津大学 | Multifunctional gas regulating system and regulating method for rural public health |
-
2018
- 2018-03-26 CN CN201820417017.0U patent/CN208229602U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112250045A (en) * | 2020-10-23 | 2021-01-22 | 宁波岚新空分设备科技有限公司 | Nitrogen preparation system capable of realizing high precision and different concentrations |
| CN112250045B (en) * | 2020-10-23 | 2023-09-08 | 宁波岚新空分设备科技有限公司 | Can realize different concentration nitrogen gas preparation system of high accuracy |
| CN112691497A (en) * | 2020-12-04 | 2021-04-23 | 天津大学 | Multifunctional gas regulating system and regulating method for rural public health |
| CN112691497B (en) * | 2020-12-04 | 2022-08-12 | 天津大学 | Adjusting method based on rural public health multifunctional gas adjusting system |
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