CN205288437U - Air seperation plant molecular sieve regeneration / activation device - Google Patents
Air seperation plant molecular sieve regeneration / activation device Download PDFInfo
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- CN205288437U CN205288437U CN201520935138.0U CN201520935138U CN205288437U CN 205288437 U CN205288437 U CN 205288437U CN 201520935138 U CN201520935138 U CN 201520935138U CN 205288437 U CN205288437 U CN 205288437U
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Abstract
The utility model discloses an air seperation plant molecular sieve regeneration / activation device, including dirty nitrogen gas pipe network of regeneration and a set of molecular sieve that parallels and regenerate dirty nitrogen gas pipe network intercommunication, still include the low pressure nitrogen gas pipe network that incorporate into the entrance in the dirty nitrogen gas pipe network of regeneration to reach a set of electric stove equipment that communicates side by side with the dirty nitrogen gas pipe network of regeneration, the entry and the export of the pneumatic butterfly valve of molecular sieve to and the last control valve of installing respectively of play, inlet pipe of electric stove, the control valve and the electric stove exit control valve pipeline intercommunication of the pneumatic butterfly valve entrance of molecular sieve, the control valve and the unloading muffler intercommunication in the pneumatic butterfly valve exit of molecular sieve, control valve and the dirty nitrogen gas pipe network of regeneration, the low pressure nitrogen gas pipe network intercommunication of electric stove entrance. Solved to the molecular sieve of stoppage in transit air seperation plant regenerate or the pot -life between secondary pollution's a difficult problem, can reach the result of use of reinforcing molecular sieve and prolong the life of molecular sieve, can reduce the energy consumption of molecular sieve in regeneration or activation process again by a wide margin.
Description
Technical field
This utility model relates to a kind of air separation plant regenerating molecular sieve/activation device, belongs to mechanical equipment technical field.
Background technology
In space division technique, compressed air is cooled to 17 DEG C by chilldown system, and time from bottom to top by horizontal molecular sieve adsorber MS1201 or MS1202, impurity is in succession adsorbed removes for water contained in air, acetylene, carbon dioxide etc., air after purification, enters the main heat exchanger in ice chest. Adsorber is used alternatingly in pairs, and during a job, another is reproduced. Once air separation plant plan total system is shut down, then adsorbing saturated molecular sieve will not have dirty nitrogen that it is regenerated: if abandoning stoppage in transit air separation plant molecular sieve is regenerated, the adsorption effect going down to make molecular sieve for a long time declines, service life is greatly shortened, and affects air separation plant safe and stable operation; If molecular sieve is regenerated by isolated operation air compressor machine, then cause relatively costly, and poor effect.
Further, since the new molecular sieve loaded just begins to use, therefore should more thoroughly activate. Now activation temperature should be tried one's best height, and soak time also should be grown, generally no less than 1.5 times of normal working hours. Activation generally to be passed through and run more than 3 cycles continuously. If recruit's sieve is activated by isolated operation air compressor machine, then relatively costly, and poor effect.
Containing the impurity that moisture, C2H2, CO2 etc. are harmful to air separation plant safe operation in air. If by running air compressor machine, the air separation plant molecular sieve of stoppage in transit state is regenerated or activates by air cooling system, it is reproduced or activates molecular sieve thoroughly and cannot break away from the embarrassed shape of secondary pollution all the time.
Utility model content
The purpose of this utility model is in that: for above-mentioned prior art Problems existing, it is proposed to a kind of low consumption, efficient air separation plant regenerating molecular sieve/activation device.
In order to reach object above, a kind of air separation plant regenerating molecular sieve/activation device of the present utility model includes
A kind of air separation plant regenerating molecular sieve/activation device, including regenerating dirty Nitrogen pipe network and one group of molecular sieve connected side by side with the dirty Nitrogen pipe network of regeneration;It is characterized in that: be additionally included in the low-pressure nitrogen pipe network that in the dirty Nitrogen pipe network of regeneration, porch is incorporated to and the one group of furnace equipment connected side by side with the dirty Nitrogen pipe network of regeneration; The entrance and exit of the Pneumatic butterfly valve of described molecular sieve, and the entry and exit pipeline of electric furnace is separately installed with control valve; The control valve of described molecular sieve Pneumatic butterfly valve porch controls valve pipeline with electric furnace exit and connects; The control valve in described molecular sieve Pneumatic butterfly valve exit connects with vent muffler; The control valve of described electric furnace porch connects with the dirty Nitrogen pipe network of regeneration, low-pressure nitrogen pipe network.
The technical scheme that this utility model limits further as:
Optimizing, the valve pipeline that controls in described molecular sieve Pneumatic butterfly valve exit feeds back on the inlet duct of molecular sieve also by a control valve.
Optimizing, the pipeline junction of described low-pressure nitrogen pipe network and the dirty nitrogen webmaster of regeneration is provided with a stop valve.
Optimize, described molecular sieve inlet duct is also equipped with effusion meter.
Optimize, between the control valve of described effusion meter and molecular sieve Pneumatic butterfly valve entrance, be also equipped with a molecular sieve master control valve.
Optimizing, described molecular sieve is 2.
Optimize, be separately installed with temperature measuring set in described molecular sieve Pneumatic butterfly valve porch.
Optimizing, described electric furnace is 3.
Optimizing, the source of the gas of described low-pressure nitrogen pipe network is to be connected offer by the nitrogen pipeline of low pressure nitrogen press with air separation plant exit.
Optimize, between described low pressure nitrogen press and stop valve, be also equipped with check valve.
The enforcement of this utility model device, solve a difficult problem for secondary pollution during the molecular sieve to stoppage in transit air separation plant regenerates or activates, can reach strengthen the result of use of molecular sieve and extend the service life of molecular sieve, molecular sieve energy consumption in regeneration or activation process can be greatly reduced again. This device can guarantee that safe and stable operation, is worth of widely use.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, this utility model is further described.
Fig. 1 is the structural representation of one embodiment of this utility model.
In figure: MS1201, MS1202 molecular sieve; EH1201, EH1202, EH1203 electric furnace; SL1201 vent muffler, FT1201 effusion meter; TE-temperature measuring set; V1226, V1213, V1211, V1231, V1232, V1233, V1234, V1218, V1219, V1217 control valve; V1000 hand stop valve; V1101 low pressure nitrogen press outlet conduit check valve, V1102 low pressure nitrogen press outlet hand stop valve.
Detailed description of the invention
Embodiment one
A kind of air separation plant regenerating molecular sieve/activation device of the present embodiment, basic structure is as it is shown in figure 1, include regenerating dirty Nitrogen pipe network and two molecular sieve MS1201 and MS1202 connected side by side with the dirty Nitrogen pipe network of regeneration; It is additionally included in the low-pressure nitrogen pipe network that in the dirty Nitrogen pipe network of regeneration, porch is incorporated to and three furnace equipments EH1201, EH1202 and EH1203 connecting side by side with the dirty Nitrogen pipe network of regeneration; The entrance of the Pneumatic butterfly valve of molecular sieve MS1201 and MS1202 is separately installed with control valve V1211, V1212, and outlet is separately installed with control valve V1213, V1214; The inlet duct of electric furnace EH1201, EH1202 and EH1203 is separately installed with control valve V1231, V12233 and V1235; Outlet conduit is separately installed with control valve V1232, V1234, V1236; Control valve V1211, V1212 of molecular sieve Pneumatic butterfly valve porch and electric furnace exit control valve V1232, V1234, V1236 pipeline communication;Control valve V1213, the V1214 in molecular sieve Pneumatic butterfly valve exit connect with vent muffler SL1201; The inlet duct controlling valve of electric furnace porch is also equipped with master control valve V1218; Control valve V1218 to connect with the dirty Nitrogen pipe network of regeneration, low-pressure nitrogen pipe network.
The valve pipeline that controls in molecular sieve Pneumatic butterfly valve exit feeds back on the inlet duct of molecular sieve also by a control valve V1219. The pipeline junction of low-pressure nitrogen pipe network and the dirty nitrogen webmaster of regeneration is provided with a low-pressure nitrogen hand stop valve V1000. Molecular sieve inlet duct is also equipped with effusion meter FT1201. A molecular sieve master control valve V1217 it is also equipped with between the control valve of effusion meter FT1201 and molecular sieve Pneumatic butterfly valve entrance. It is separately installed with temperature measuring set TE in molecular sieve Pneumatic butterfly valve porch.
The source of the gas of low-pressure nitrogen pipe network is to be connected offer or the offer of other low-pressure nitrogen sources of the gas by the nitrogen pipeline of low pressure nitrogen press with air separation plant exit. Low pressure nitrogen press outlet conduit check valve V1101 it is also equipped with between low pressure nitrogen press and stop valve V1000; Other low-pressure nitrogen air source inlet pipelines are also equipped with control valve V1102.
The workflow of this utility model device is:
First: when MS1201 carries out regenerating or activating: reviewing and validate V1102 valve in figure and be shown in a fully open operation, other all valves are in closed mode.
Initially enter the heating period, open successively: V1213, V1211; V1231, V1232, V1233, V1234(heating period electric furnace is dual-purpose one standby, can optional three electric furnaces wherein two work); V1218, all the other valves guarantee to be closed.
Improved V1000 stop valve aperture is regulated by on-site manual, make the dried and clean low pressure nitrogen tolerance FT1201 from low-pressure nitrogen pipe network at about 20000m3/h, to EH1201, EH1202(EH1203) power transmission guarantee its normal operation, dried and clean nitrogen (being called for short: regeneration nitrogen) the average mark two-way of about 20000m3/h simultaneously enters EH1201, EH1202 is heated to about 200 DEG C, after V1211 valve, enter MS1201 molecular sieve is carried out hot reactivation, regeneration nitrogen drains into air through V1213 valve passage to SL1201-vent muffler place through mol sieve beds.
Heat end, enter the cold blowing stage, open V1217 valve, close V1218 valve, the regeneration nitrogen of about 30 DEG C, terminates through draining into air through V1213 valve passage to SL1201-vent muffler place through MS1201 bed until MS1201 regenerates or activates through V1217, V1211 valve passage.
Above valve recovers to original closed mode.
Second: reviewing and validate V1102 valve in figure and be shown in a fully open operation, other all valves are in closed mode.
When MS1202 carries out regenerating or activating, initially enter the heating period: open V1214, V1212 successively; V1231, V1232, V1233, V1234(heating period electric furnace is dual-purpose one standby, can optional three electric furnaces wherein two work); V1218, all the other valves guarantee to be closed.
Improved V1000 stop valve aperture is regulated by on-site manual, make the dried and clean low pressure nitrogen tolerance FT1201 from low-pressure nitrogen pipe network at about 20000m3/h, to EH1201, EH1202(EH1203) power transmission guarantee its normal operation, dried and clean nitrogen (being called for short: regeneration nitrogen) the average mark two-way of about 20000m3/h simultaneously enters EH1201, EH1202 is heated to about 200 DEG C, after V1212 valve, enter MS1202 molecular sieve is carried out hot reactivation, regeneration nitrogen drains into air through V1214 valve passage to SL1201-vent muffler place through mol sieve beds.
Heat end, enter the cold blowing stage, open V1217 valve, close V1218 valve, the regeneration nitrogen of about 30 DEG C, terminates through draining into air through V1214 valve passage to SL1201-vent muffler place through MS1202 bed until MS1202 regenerates or activates through V1217, V1212 valve passage.
Above valve recovers to original closed mode.
Economic benefit of the present utility model: for KDON20000/20000 type air separation plant:
Regeneration tolerance 20000m3/h, regenerating molecular sieve or activation luck line space press power consumption 9600kW/h, low-pressure nitrogen unit consumption 0.11kWh/m3, space division water pump and handpiece Water Chilling Units power consumption 200kW/h, 0.6 yuan/kWh of the electricity charge, recovery time 4h, soak time 8h.
With pipe network low-pressure nitrogen, stoppage in transit air separation plant regenerating molecular sieve is once lowered consumption:
(9600+200-0.11*20000) * 0.6*4=1.824(ten thousand yuan)
With pipe network low-pressure nitrogen, stoppage in transit air separation plant molecular sieve activation is once lowered consumption:
(9600+200-0.11*20000) * 0.6*8=3.648(ten thousand yuan)
Therefore, this utility model can in the air separation plant stoppage in transit state of Air separation industry oxygen station, use the low-pressure nitrogen of pipe network dried and clean to regenerating molecular sieve or activation aspect popularization and application, effectively extend the service life of molecular sieve and strengthen the adsorption effect of molecular sieve, and after thoroughly solving regeneration or activation molecular sieve by a difficult problem for air secondary adsorption fouling. Methodological science, reliable, simplicity, low consumption, efficient, practical, realistic meaning is huge.
In addition to the implementation, this utility model can also have other embodiments. All employings are equal to replacement or the technical scheme of equivalent transformation formation, all fall within the protection domain of this utility model requirement.
Claims (10)
1. air separation plant regenerating molecular sieve/activation device, including regenerating dirty Nitrogen pipe network and one group of molecular sieve connected side by side with the dirty Nitrogen pipe network of regeneration; It is characterized in that: be additionally included in the low-pressure nitrogen pipe network that in the dirty Nitrogen pipe network of regeneration, porch is incorporated to and the one group of furnace equipment connected side by side with the dirty Nitrogen pipe network of regeneration; The entrance and exit of the Pneumatic butterfly valve of described molecular sieve, and the entry and exit pipeline of electric furnace is separately installed with control valve; The control valve of described molecular sieve Pneumatic butterfly valve porch controls valve pipeline with electric furnace exit and connects; The control valve in described molecular sieve Pneumatic butterfly valve exit connects with vent muffler; The control valve of described electric furnace porch connects with the dirty Nitrogen pipe network of regeneration, low-pressure nitrogen pipe network.
2. air separation plant regenerating molecular sieve/activation device according to claim 1, it is characterised in that: the valve pipeline that controls in described molecular sieve Pneumatic butterfly valve exit feeds back on the inlet duct of molecular sieve also by a control valve.
3. air separation plant regenerating molecular sieve/activation device according to claim 1, it is characterised in that: the pipeline junction of described low-pressure nitrogen pipe network and the dirty nitrogen webmaster of regeneration is provided with a stop valve.
4. the air separation plant regenerating molecular sieve/activation device according to any one of claim 3, it is characterised in that: described molecular sieve inlet duct is also equipped with effusion meter.
5. air separation plant regenerating molecular sieve/activation device according to claim 4, it is characterised in that: between the control valve of described effusion meter and molecular sieve Pneumatic butterfly valve entrance, it is also equipped with a molecular sieve master control valve.
6. air separation plant regenerating molecular sieve/activation device according to claim 5, it is characterised in that: described molecular sieve is 2.
7. air separation plant regenerating molecular sieve/activation device according to claim 6, it is characterised in that: it is separately installed with temperature measuring set in described molecular sieve Pneumatic butterfly valve porch.
8. air separation plant regenerating molecular sieve/activation device according to claim 6, it is characterised in that: described electric furnace is 3.
9. the air separation plant regenerating molecular sieve/activation device according to any one of claim 3-8, it is characterised in that: the source of the gas of described low-pressure nitrogen pipe network is to be connected offer by the nitrogen pipeline of low pressure nitrogen press with air separation plant exit.
10. air separation plant regenerating molecular sieve/activation device according to claim 9, it is characterised in that: it is also equipped with check valve between described low pressure nitrogen press and stop valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520935138.0U CN205288437U (en) | 2015-11-20 | 2015-11-20 | Air seperation plant molecular sieve regeneration / activation device |
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| CN201520935138.0U CN205288437U (en) | 2015-11-20 | 2015-11-20 | Air seperation plant molecular sieve regeneration / activation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529796A (en) * | 2018-12-29 | 2019-03-29 | 赤峰富邦铜业有限责任公司 | A kind of apparatus and method for restoring omnibus control system molecular sieve activation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109529796A (en) * | 2018-12-29 | 2019-03-29 | 赤峰富邦铜业有限责任公司 | A kind of apparatus and method for restoring omnibus control system molecular sieve activation |
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