CN1238230A - Adsorption technique and apparatus for regulating peaks in gas supply network - Google Patents
Adsorption technique and apparatus for regulating peaks in gas supply network Download PDFInfo
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- CN1238230A CN1238230A CN 99106858 CN99106858A CN1238230A CN 1238230 A CN1238230 A CN 1238230A CN 99106858 CN99106858 CN 99106858 CN 99106858 A CN99106858 A CN 99106858A CN 1238230 A CN1238230 A CN 1238230A
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- gas
- pressure
- peak regulation
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- purifier
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- Separation Of Gases By Adsorption (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention discloses an adsorption technique and apparatus for regulating peaks of gas supply network. The gas-bearing adsorbent whose main components are activated carbon and super-activated carbon is filled into gas tank with the gas pressure from 0.1Mpa to source pressure. When gas supply capacity is idle, the gas is adsorbed in gas tank. When gas supply capacity is lower than demand, the pressure of pipeline network is lower than that of gas tank and the gas is released from gas tank to pipeline network, so regulating the supply peaks. A pre-purifier filled with compound adsorbent is used to stabilize pressure.
Description
The present invention relates to a kind of adsorption method peak regulation technique and equipment of gas network, the invention belongs to the technology that air supply system increases air demand.
The maximum deliverability of city gas supply network is certain, but user's gas consumption changes in time.Not only, promptly within one day, also there be the peak and the low ebb of usefulness gas in the four seasons.Generally speaking, the peak gas consumption is greater than the maximum gas supply capacity of network, and user's demand can not be met; And the gas supply capacity of network is idle when low ebb, has reduced the sales volume of gas company.The way that solves disparities between supply and demand is exactly a peak regulation.
Existing peak regulation technique comprises increase pneumatic tube diameter, utilizes the underground natural gas storage tank of abandoned mine, and the gas storage holder of normal pressure or high pressure (jar).The deficiency of technology is conspicuous now.The underground mine that can support utilization does not have generality; There is unfavorable factor in other gas storage facility at aspects such as occupation of land, investment, material and maintenances.In addition, all peak regulation facilities all can only be arranged in the upstream of air feed network, and can not directly link to each other with the user.Because after network system was determined, its maximum conveying capacity was certain, for the actual peak modulation capacity of this way applies a CLV ceiling limit value.
The purpose of this invention is to provide a kind of absorption peak regulation technique and relevant device that adopts the gas storage sorbent to significantly improve the gas holder gas storage capability, be applicable to the peak regulation of different pressures grade, different scales in pipe network.
Technological scheme of the present invention is that the peak regulation gas holder of gas storage sorbent has been filled in employing, and purifier is set before gas holder, is communicated with gas line network through modulating valve and connecting line, as shown in drawings flow process.T is the absorption gas holder among the figure, and F1 is the purifier of two parallel installations with F2, can at any time one of them purifier be regenerated, and does not interrupt peak regulating function.P
1And P
2Be pressure gauge or pressure transducer (only being used for indication, inessential parts).The peak regulation gas holder is communicated with pipe network at the A point.During with the gas low ebb, ductwork pressure P
1Be higher than pressure of storage tank P
2, combustion gas is at pressure reduction (P
1-P
2) act on down, enter storage tank T by pipe network through purifier F1 (or F2), store because of being adsorbed, until P
2=P
1, storage tank no longer holds air inlet.Otherwise with the gas peak time, ductwork pressure reduces rapidly, forms P
1＜P
2Situation.So the combustion gas in the storage tank is at pressure reduction (P
2-P
1) act on desorption takes place down, and flow to pipe network by storage tank, thus realize the air feed peak regulation.Combustion gas often contains multiple component, and wherein in a single day some strong adsorbent component enters the adsorbent bed desorption that just is difficult for, and for guaranteeing the constant purifier that is provided with of gas storage capability, these strong adsorbent component is trapped in the purifier.Be cleaned the component that device is held back, be reversed in absorption gas holder big portion when pipe network is supplied gas and purge the return pipe net.Capital equipment of the present invention is absorption gas holder and purifier.Gas holder has similar structure with purifier, and is basic identical with common adsorption tower (jar) structure, but the sorbent of filling in purifier and the gas holder is different.The common sorbent that the packing ratio surface area is less in the purifier, porosity is bigger, as active carbon, aluminium oxide or silica gel, packing ratio surface area 2000m then in gas holder
2The super-active carbon that/g is above.Sorbent can be granular, or through shaping operation.Purifier needs 2 parallel connections at least, so that regenerative operation.Purified gas adopts the regeneration of finding time usually, or when gas storage pressure is high, adopts pressure release and noble gas flushing regeneration.In adsorbent bed, be provided with electric heating element, after long-time the use, need adsorbent bed work Regeneration Treatment completely.For this reason, bed temperature is reached more than 120 ℃, make strong adsorbent component wherein resolve, and be reversed by the desorption band of gas of purifier and go into pipe network by electric heating.After the longer operation period, also can do in case of necessity and find time or alternating temperature regeneration the adsorbent bed in the gas holder.Under the higher situation of pressure of storage tank, take the regeneration of pressure release and noble gas process of washing.B in the accompanying drawing, C, D interface are used for sample analysis gas component and regenerative operation.
Above-mentioned absorption peak regulation method is applicable to that pressure in the pipe network is higher than any interval of normal pressure.Promptly can be used on the pressure stage about the 10MPa of upstream, also can be used on the medium pressure range of city main line, also can be used on the pipeline of residential quarter 0.1MPa pressure (gauge pressure).Ductwork pressure is higher, and the gas storage capability of same peak regulation jar is bigger, and peak modulation capacity is also stronger.Because absorption and desorption are promoted by pressure difference fully, so the pressure in the pipe network must be higher than normal pressure.The present invention's suggestion feeds the threshold pression of the pressure (about 0.1MPa, gauge pressure) of residential quarter pipeline for absorption peak regulation method with pipe network.
The present invention compares with existing peak regulation technique, has following advantage:
1. compare with the underground peak regulation technique that utilizes discarded mineral deposit, the present invention does not require geological condition, is applicable to Anywhere.
2. compare with utilizing gas pipeline Zhou Feng, save the investment on gas pipeline greatly.
3. compare with high-pressure gas cabinet peak regulation technique, can reduce gas storage pressure greatly for same gas-storing capacity; Compare with normal pressure gas storage holder peak regulation technique, reduce gas storage holder volume and investment greatly, and can be implemented in residential quarter peak regulation dispersedly.
Typical case's use-case:
Residential quarter about 1000～2000 families is installed one 10 meters
3The absorption peak regulation jar of volume can be realized the peak modulation capacity about 30% under the gas storage pressure of 0.2MPa (absolute pressure).When fully meeting consumers' demand, can increase the income from sales about 30%.City with 1,000,000 family populations is an example, and each household is on average used gas 1m every day
3, then the combustion gas demand of whole city every day is 100 ten thousand steres, wherein 30 ten thousand steres are realized supply by peak regulation.By 1.6 yuan/meter
3The combustion gas calculation of price, increase income 480,000 yuan every day, increase income 1.75 hundred million yuan every year.
Claims (4)
1. the absorption peak regulation technique of a gas network, be applicable to the peak regulation of the high pressure of the pipe network of rock gas, coal gas, coal-seam gas, casing-head gas, oil refinery dry gas and biogas, middle pressure or low pressure section, it is characterized in that: any position that is higher than normal pressure at pressure of gas line network, peak regulation equipment and network-in-dialing, the idle gas supply capacity of realizing pipe network stores in peak regulation equipment, and with the gas peak time, the combustion gas that peak regulation equipment stores replenishes the gas supply capacity of pipe network.
2. realize it is characterized in that: by filling sorbent in it and being provided with the storage tank of electrical heating elements and the purifier of two parallel connections and valve, connecting line are constituted by the described gas network absorption of claim 1 equipment that peak regulation technique adopted.
3. by the described gas network absorption of claim 1 peak regulation technique, it is characterized in that: the sorbent regular regeneration in storage tank and the purifier, adopt vacuum pumping method, or when pressure of storage tank is higher, adopt pressure release and noble gas douche, or adopt the alternating temperature method of reproduction.
4. by the described gas network absorption of claim 2 peak regulation equipment, it is characterized in that: the sorbent of being filled in the storage tank is common active carbon, active carbon, the NACF of high surface activity carbon and process surface modification treatment, and molecular sieve, their shape can be the regular shape of granular or the various forming processes of process; Filling sorbent in the purifier is the compound adsorbent that activated alumina, silica gel and active carbon are formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99106858A CN1101715C (en) | 1999-05-18 | 1999-05-18 | Adsorption technique and apparatus for regulating peaks in gas supply network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99106858A CN1101715C (en) | 1999-05-18 | 1999-05-18 | Adsorption technique and apparatus for regulating peaks in gas supply network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1238230A true CN1238230A (en) | 1999-12-15 |
| CN1101715C CN1101715C (en) | 2003-02-19 |
Family
ID=5272549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99106858A Expired - Fee Related CN1101715C (en) | 1999-05-18 | 1999-05-18 | Adsorption technique and apparatus for regulating peaks in gas supply network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1101715C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075638A (en) * | 2013-02-05 | 2013-05-01 | 黄诚 | Absorptive natural gas storing and peak adjusting device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100410580C (en) * | 2003-09-05 | 2008-08-13 | 牟万福 | Peak regulating method of jet set natural gas intelligent peak value regulating device |
| CN100451437C (en) * | 2007-04-06 | 2009-01-14 | 罗东晓 | LNG multifunctional station for integrating peak regulating, warehouse, gas refueling and accident respond |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5427143A (en) * | 1994-04-22 | 1995-06-27 | Maracchi; Giorgio | Gas flow and pressure regulation and control station |
| CN1143171A (en) * | 1996-05-20 | 1997-02-19 | 叶澄国 | Low pressure rear-end regulating peak gas pipe net system |
-
1999
- 1999-05-18 CN CN99106858A patent/CN1101715C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075638A (en) * | 2013-02-05 | 2013-05-01 | 黄诚 | Absorptive natural gas storing and peak adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1101715C (en) | 2003-02-19 |
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