CN107061281A - A kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method - Google Patents

A kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method Download PDF

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Publication number
CN107061281A
CN107061281A CN201710326497.XA CN201710326497A CN107061281A CN 107061281 A CN107061281 A CN 107061281A CN 201710326497 A CN201710326497 A CN 201710326497A CN 107061281 A CN107061281 A CN 107061281A
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air compressor
drier
plant
transformation
power plant
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CN107061281B (en
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牟春华
寇水潮
兀鹏越
柴琦
姜宁
居文平
薛磊
乔磊
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Xian Thermal Power Research Institute Co Ltd
Xian Xire Energy Saving Technology Co Ltd
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Xian Thermal Power Research Institute Co Ltd
Xian Xire Energy Saving Technology Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/28—Safety arrangements; Monitoring

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Gases (AREA)

Abstract

The invention belongs to power plant's air compressor energy-saving renovation technique field, and in particular to a kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method.This method carries out adsorbent reactivation problem for existing power plant's exhaust end base of oil injection threaded bolt type air compressor machine drier using finished product gas, zero-emission dry technology is recycled by transforming rear class cooling driers as finished product gas with the combined drying mode without heat or low-grade fever composition, air compressor plant gas consumption and dew point first before measurement transformation, and calculate the air compressor plant consumption electricity charge before transformation, then establish and the air compressor plant consumption electricity charge are calculated after modification scheme, finally carry out measuring air compressor plant gas consumption and supply dew point after transformation after Energy Saving Benefit Analysis.The present invention can reduce air compressor machine finished product gas gas consumption; reduce compressor operation power consumption; and for instrument valve, ash disposal system, use mixedly the gas that gas system provides high-quality, reduction power plant caused by air compressor machine irregular operation shuts down production accident, is that power plant safety, economical operation escort.

Description

A kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method
Technical field：
The invention belongs to power plant's air compressor energy-saving renovation technique field, and in particular to a kind of power plant's exhaust end base of oil injection threaded bolt type air compressor machine Stand energy-conserving reconstruction method.
Background technology：
With becoming increasingly conspicuous for environmental problem, cause drastically to decline building thermal power plant's quantity, following China's electric power energy weight Point will turn to the new energy such as nuclear power, water power, wind-powered electricity generation and solar energy, and existing thermal power plant's overall number will remain unchanged as.Due to fire Electric increased number is restricted, and each high-power station carries out and further excavated the potentiality of energy saving for power plants transformation.In thermoelectricity production Compressed air is mainly used in Thermal Meter, ash disposal conveying and maintenance and uses mixedly three big fields in technique, and air compressor plant operation troubles Whole thermal power plant's operational reliability is directly affected, stopping accident can be caused when serious, therefore air compressor system is described as thermal power plant " Two station service electrical systems ".It is known that air compressor system is a high system of power consumption, according to about the effective of data display air compressor machine Utilization rate is only 23% or so, therefore it is very urgent to improve air compressor system links energy utilization rate.Usual air compressor machine goes out Gas is first passed through after cooling driers are cooled down, and double-tower dryer is entered after the liquid in simple separation compressed air empty to compression Gas is further dried, and during double-tower dryer operation, when a tower is compressed air adsorption flow, another tower is then Into regeneration link.Current drying device tower extracts part compression finished product gas and carries out heating after-blow except in tower when being regenerated Adsorbent, is then discharged into air by the valuable finished product gas.It is same to extract in finished product air cooling tower simultaneously in tower re-generatively cooled Air is discharged into after adsorbent, original air compressor machine utilization rate is just relatively low, is still to waste valuable finished product gas when tower is regenerated in addition. There is following defect and deficiency during existing air compressor plant of power plant desiccant regeneration：(1) using cooling driers and without heat or low-grade fever combination Formula drier, has that quality of filling gas is not good enough, while higher dew point can cause instrument valve corrosion and ash disposal system to form hardened； (2) agent regeneration is dried using compression finished product gas, causes gas to waste serious, further increase air compressor machine power consumption.
The content of the invention：
The purpose of the present invention be for existing exhaust end base of oil injection threaded bolt type air compressor plant exist not enough there is provided a kind of power plant's oil spout Screw type air compressor plant energy-conserving reconstruction method, it can reduce air compressor machine finished product gas gas consumption, reduce compressor operation power consumption, and be Instrument valve, ash disposal system, the gas for using mixedly gas system offer high-quality, reduction power plant caused by air compressor machine irregular operation stops Machine production accident, is that power plant safety, economical operation escort.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that to realize：
A kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method, comprises the following steps：
1) the original air compressor plant firsthand information of power plant is collected, waits to enter step 2 after the completion of collecting)；
2) the original air compressor plant desiccant regeneration gas consumption of measurement power plant, and enter step 3)；
3) the original air compressor plant supply dew point of measurement power plant, and enter step 4)；
4) the original air compressor plant consumption electricity charge of power plant are calculated, and enter step 5)；
5) air compressor plant of power plant reducing energy consumption scheme is established, and enters step 6)；
6) the air compressor plant consumption electricity charge after energy conservation transformation of power plants are calculated, and enter step 7)；
7) air compressor energy-saving transformation performance analysis is carried out, and enters step 8)；
8) air compressor machine drier regeneration gas consumption after measurement energy conservation transformation of power plants, and enter step 9)；
9) air compressor plant supply dew point after measurement energy conservation transformation of power plants, and enter step 10)；
10) power plant's air compressor energy-saving transformation terminates.
Of the invention further improve be, step 1) in collect the original air compressor plant firsthand information of power plant, it is specific to walk It is rapid as follows：
101) the original air compressor plant air compressor machine number of units n of power plant, model, power P are collectedi, voltage, flow Qi, pressure and complete Available machine time T in yeari；
102) the original air compressor plant drier number of units m of power plant, model, power P are collectedj, voltage, dew point, processing tolerance with And and every drier and exhaust end base of oil injection threaded bolt air compressor machine connected mode；
103) pressure, volume and the connected mode with drier of power plant's air accumulator are collected.
Of the invention further improve be, step 2) in measurement power plant original air compressor plant desiccant regeneration gas consumption when, A kind of method is to install flow monitoring sensor, drier air supply outlet in air compressor machine air supply outlet and drier inlet connection Flow monitoring sensor is installed at place, can be obtained using the difference in flow between drier entrance and exit divided by drier inlet flow rate To drier regeneration gas consumption η；
It is dry that another method installs flow sensor measurement for directly in drier regeneration exhaust mouthful and muffler junction Extraction flow during dry device regeneration, utilizes extraction flow divided by air compressor machine Nameplate lable quota constant flow, you can obtain drier regeneration Gas consumption η.
Of the invention further improve be, step 3) in measurement power plant original air compressor plant supply dew point when, in drying Dew point monitoring sensor is installed at device air supply outlet, and dew point data Π will be measured and is carried out with drier nameplate demarcation dew point data Contrast, judges whether the two is consistent, illustrates that the drier dew point is not up to standard if inconsistent.
Of the invention further improve be, step 4) in calculate the original air compressor plant consumption electricity charge calculation formula of power plant For：
Wherein, $BeforeFor air compression station consumption total electricity bill, member before transformation；θ is electricity Unit Price, member/kWh；N is pneumatics before transformation Board number, m is drier number of units, P before transformationiFor air compressor machine rated power, kW before transformation；TiOpened for air compressor machine whole year before transformation Machine time, h；PjFor drier rated power, kW before transformation；αjTo transform preceding drier regeneration times, times/day；βjBefore transformation Drier regeneration is time-consuming every time to be counted, h/ times；djFor annual start number of days, day before transformation；
Total tolerance is before original air compressor retrofitShi Jishiyong tolerance is changed into after being regenerated through drierRegenerating discharge gas amount is
Of the invention further improve be, step 5) in when establishing power plant's air compressor plant reducing energy consumption scheme, using zero Discharge regenerative dryer, i.e. drier are regenerated without discharging finished product regenerator, by being pumped into drying after being heated to surrounding air Drier is regenerated in device tower, air compressor machine actual motion number of units is after transformationChoose air compressor machine is with drying machine The one-to-one method of operation, i.e. L are also drier number of units after transformation, on the premise of air demand is ensured, L round numbers.
Of the invention further improve be, step 6) in calculate the air compressor plant consumption electricity charge after energy conservation transformation of power plants and be：
Wherein, $AfterwardsTotal electricity bill, member are consumed for air compression station after transformation；θ is electricity Unit Price, member/kWh；L is pneumatics after transformation Machine and drier number of units, WiFor air compressor machine rated power, kW after transformation；SiIt it is air compressor machine annual available machine time, h after transformation；WjFor Drier heater power ratings after transformation, kW；EjFor drier blower fan rated power, kW after transformation；λjFor drier after transformation Regeneration times, times/day；γjCounted for drier regeneration after transformation is time-consuming every time, h/ times；μjFor annual start number of days, day after transformation；
Unit air compressor machine power P before and after transformationi=WiKeep constant.
Of the invention further improve be, step 7) air compressor machine year saves economic benefit and isBefore- $Afterwards, energy-conservation ratioPay off period isWherein $ThrowFor investment for trnasforming urban land cost.
Of the invention further improve be, step 8) in air compressor machine drier regeneration gas consumption after measurement energy conservation transformation of power plants When, air compressor machine air supply outlet installs flow monitoring sensor, drier air supply outlet with drier inlet connection after transformation Flow monitoring sensor is installed at place, is changed using the difference in flow between drier entrance and exit divided by drier inlet flow rate Make rear drier regeneration gas consumption ω.
Of the invention further improve be, step 9) in after measurement energy conservation transformation of power plants during air compressor plant supply dew point, Dew point monitoring sensor is installed at drier air supply outlet, it is Λ to measure dew point data after transformation；Gas consumption η should be less than after transformation Gas consumption ω before transformation, dew point Λ should be less than dew point Π before transforming after transformation.
Compared with prior art, the present invention has advantages below：
A kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method that the present invention is provided, by collecting pneumatics before transformation Machine station firsthand information, data calculation basis is provided for reducing energy consumption, measures original air compressor plant desiccant regeneration gas consumption, subsequently according to Gas consumption carries out reducing energy consumption quantitative analysis accordingly, measures original air compressor plant supply dew point, and according to compressed air code, with reference to Compressed gas application field is different, the original air compressor plant air feed quality of overall merit, calculates year consumption before and after air compressor plant transformation The electricity charge, it is easy to transform forward and backward analyzing power saving contrast, carry out air compressor plant reducing energy consumption performance analysis, accurately calculate transformation and throw Provide payback period with energy-conservation to compare, air compressor plant gas consumption and dew point measurement are remeasured after transformation, further determines that air compressor plant changes The necessity made.
Further, the present invention collects air compressor plant air compressor machine quantity, power, rated voltage, supply gas pressure and flow, collects Preprocessor drier quantity, power, dew point, absorption and regeneration period, establish air compressor machine with post processing connected mode and after Handle on the basis of regeneration technology flow, whole air compressor plant operation conditions, further excavates air compressor machine before COMPREHENSIVE CALCULATING transformation Stand the space of reducing energy consumption.
Further, the present invention can accurately measure air compressor machine post processing drying machine regeneration gas gas consumption using two methods, utilize The gas consumption can calculate whole air compressor plant energy saving of system amount, and provide calculation basis for subsequent adaptation method.
Further, the present invention is using high-precision dew point tester test air compressor plant supply dew point, and with original drying machine Dew point parameter is compared, and judges whether supply dew point is up to standard, while calculating whole air compressor plant power consumption before transformation, convenient is follow-up Energy-saving analysis and contrast.
Further, the present invention utilizes finished product gas recirculating technique, during the internal desiccant regeneration of post processing drying tower, utilizes finished product Gas causes desiccant regeneration, and no longer external environment is vented, and is reduced finished product blast and is taken, and further gas, drop after reclaiming Low latitude press system drier regeneration gas consumption so that compressor operation number of units is reduced, and further reduces air compressor machine electric energy loss.
Further, the present invention calculates the air compressor plant year consumption electricity charge after transformation, and with the transformation the year before last consumption electricity charge to score Analysis, calculates energy-conservation ratio and pay off period, at least economize on electricity 20%, good energy-conserving effect, while changing original air compressor machine after transformation Standby mode is opened, the security of air compressor system is improved indirectly.
Further, air compressor plant post processing gas consumption test is carried out after transformation again, it is ensured that energy-saving effect, while using new Dry technology, can for ash disposal system, instrument system, use mixedly gas system high-quality gas be provided, it is to avoid ash disposal system occurs It is hardened, reduce instrument system corrosion probability.
Further, automaticity of the present invention is high, further reduction cost of labor and the artificial operation of reduction, and ensure pneumatics Machine system is continuously safely and reliably run.
In summary, good energy-conserving effect of the present invention, lifts the security of air compressor system, is provided for rear class gas equipment High-quality gas, it is adaptable to the industrial gas such as heating power, oil, chemical industry, metallurgy field.
Brief description of the drawings：
Fig. 1 is the flow chart of remodeling method of the present invention.
Embodiment：
Below by drawings and examples, technical scheme is described in further detail.
As shown in figure 1, a kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method of the present invention, including it is as follows Step：
1) the original air compressor plant firsthand information of power plant is collected, waits to enter step 2 after the completion of collecting)；
2) the original air compressor plant desiccant regeneration gas consumption of measurement power plant, and enter step 3)；
3) the original air compressor plant supply dew point of measurement power plant, and enter step 4)；
4) the original air compressor plant consumption electricity charge of power plant are calculated, and enter step 5)；
5) air compressor plant of power plant reducing energy consumption scheme is established, and enters step 6)；
6) the air compressor plant consumption electricity charge after energy conservation transformation of power plants are calculated, and enter step 7)；
7) air compressor energy-saving transformation performance analysis is carried out, and enters step 8)；
8) air compressor machine drier regeneration gas consumption after measurement energy conservation transformation of power plants, and enter step 9)；
9) air compressor plant supply dew point after measurement energy conservation transformation of power plants, and enter step 10)；
10) power plant's air compressor energy-saving transformation terminates.
In the present embodiment, step 1) the original air compressor plant firsthand information of middle collection power plant, it is comprised the following steps that：
101) the original air compressor plant air compressor machine number of units n of power plant, model, power P are collectedi, voltage, flow Qi, pressure and complete Available machine time T in yeari；
102) the original air compressor plant drier number of units m of power plant, model, power P are collectedj, voltage, dew point, processing tolerance with And and every drier and exhaust end base of oil injection threaded bolt air compressor machine connected mode；
103) pressure, volume and the connected mode with drier of power plant's air accumulator are collected.
In the present embodiment, step 2) in measurement power plant original air compressor plant desiccant regeneration gas consumption when, a kind of method be Air compressor machine air supply outlet is installed with drier inlet connection and flow prison is installed at flow monitoring sensor, drier air supply outlet Sensor is surveyed, is that can obtain drier regeneration using the difference in flow between drier entrance and exit divided by drier inlet flow rate Gas consumption η；Another method is directly in drier regeneration exhaust mouthful and muffler junction installation flow sensor measurement drying Extraction flow when device regenerates, utilizes extraction flow divided by air compressor machine Nameplate lable quota constant flow, you can obtain drier regeneration gas Consume η；Above two drier regeneration gas consumption measuring method can be selected according to on-site actual situations.
In the present embodiment, step 3) in measurement power plant original air compressor plant supply dew point when, at drier air supply outlet Dew point monitoring sensor is installed, and dew point data Π will be measured and is contrasted with drier nameplate demarcation dew point data, the two should This is consistent, illustrates that the drier dew point is not up to standard if inconsistent, and air compressor plant of power plant air feed quality is influenceed when serious.
In the present embodiment, step 4) in calculate the original air compressor plant consumption electricity charge calculation formula of power plant and be：
Wherein, $BeforeFor air compression station consumption total electricity bill, member before transformation；θ is electricity Unit Price, member/kWh；N is pneumatics before transformation Board number, m is drier number of units, P before transformationiFor air compressor machine rated power, kW before transformation；TiOpened for air compressor machine whole year before transformation Machine time, h；PjFor drier rated power, kW before transformation；αjTo transform preceding drier regeneration times, times/day；βjBefore transformation Drier regeneration is time-consuming every time to be counted, h/ times；djFor annual start number of days, day before transformation；Total tolerance is before original air compressor retrofitShi Jishiyong tolerance is changed into after being regenerated through drierRegenerating discharge gas amount is
In the present embodiment, step 5) in when establishing power plant's air compressor plant reducing energy consumption scheme, drying is regenerated using zero-emission Device, i.e. drier are regenerated without discharging finished product regenerator, by being pumped into after being heated to surrounding air in dryer column to drying Agent is regenerated, and air compressor machine actual motion number of units is after transformationIt is one-to-one operation side that air compressor machine, which is chosen, with drying machine Formula, i.e. L are also drier number of units after transformation, on the premise of air demand is ensured, L round numbers.
In the present embodiment, step 6) in calculate the air compressor plant consumption electricity charge after energy conservation transformation of power plants and be：
Wherein, $AfterwardsTotal electricity bill, member are consumed for air compression station after transformation；θ is electricity Unit Price, member/kWh；L is pneumatics after transformation Machine and drier number of units, WiFor air compressor machine rated power, kW after transformation；SiIt it is air compressor machine annual available machine time, h after transformation；WjFor Drier heater power ratings after transformation, kW；EjFor drier blower fan rated power, kW after transformation；λjFor drier after transformation Regeneration times, times/day；γjCounted for drier regeneration after transformation is time-consuming every time, h/ times；μjFor annual start number of days, day after transformation； Unit air compressor machine power P before and after transformationi=WiKeep constant.
In the present embodiment, step 7) air compressor machine year saves economic benefit and isBefore- $Afterwards, energy-conservation ratioInvest back Receipts are limited in yearWherein $ThrowFor investment for trnasforming urban land cost.
In the present embodiment, step 8) in after measurement energy conservation transformation of power plants air compressor machine drier regeneration gas take, after transformation Air compressor machine air supply outlet is installed with drier inlet connection and flow prison is installed at flow monitoring sensor, drier air supply outlet Sensor is surveyed, is to be dried after being transformed using the difference in flow between drier entrance and exit divided by drier inlet flow rate Device regeneration gas consumption ω.
In the present embodiment, step 9) in after measurement energy conservation transformation of power plants during air compressor plant supply dew point, in drier supply Dew point monitoring sensor is installed in exit, and it is Λ to measure dew point data after transformation；Gas consumption η should be less than transforming preceding gas consumption after transformation Dew point Λ should be less than dew point Π before transforming after ω, transformation.
It is described above, only it is presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, it is every according to the present invention Any simple modification, change and equivalent structure change that technical spirit is made to above example, still fall within skill of the present invention In the protection domain of art scheme.

Claims (10)

1. a kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method, it is characterised in that comprise the following steps：
1) the original air compressor plant firsthand information of power plant is collected, waits to enter step 2 after the completion of collecting)；
2) the original air compressor plant desiccant regeneration gas consumption of measurement power plant, and enter step 3)；
3) the original air compressor plant supply dew point of measurement power plant, and enter step 4)；
4) the original air compressor plant consumption electricity charge of power plant are calculated, and enter step 5)；
5) air compressor plant of power plant reducing energy consumption scheme is established, and enters step 6)；
6) the air compressor plant consumption electricity charge after energy conservation transformation of power plants are calculated, and enter step 7)；
7) air compressor energy-saving transformation performance analysis is carried out, and enters step 8)；
8) air compressor machine drier regeneration gas consumption after measurement energy conservation transformation of power plants, and enter step 9)；
9) air compressor plant supply dew point after measurement energy conservation transformation of power plants, and enter step 10)；
10) power plant's air compressor energy-saving transformation terminates.
2. a kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method according to claim 1, it is characterised in that step Rapid 1) the original air compressor plant firsthand information of middle collection power plant, it is comprised the following steps that：
101) the original air compressor plant air compressor machine number of units n of power plant, model, power P are collectedi, voltage, flow Qi, pressure and whole year open Machine time Ti；
102) the original air compressor plant drier number of units m of power plant, model, power P are collectedj, voltage, dew point, processing tolerance and and every The connected mode of platform drier and exhaust end base of oil injection threaded bolt air compressor machine；
103) pressure, volume and the connected mode with drier of power plant's air accumulator are collected.
3. a kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method according to claim 1, it is characterised in that step It is rapid 2) in measurement power plant's original air compressor plant desiccant regeneration gas consumption when, a kind of method is in air compressor machine air supply outlet and drier Inlet connection, which is installed, installs flow monitoring sensor at flow monitoring sensor, drier air supply outlet, entered using drier Difference in flow divided by drier inlet flow rate between mouth and outlet are that can obtain drier regeneration gas consumption η；
Another method is directly in drier regeneration exhaust mouthful and muffler junction installation flow sensor measurement drier Extraction flow during regeneration, utilizes extraction flow divided by air compressor machine Nameplate lable quota constant flow, you can obtain drier regeneration gas consumption η。
4. a kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method according to claim 1, it is characterised in that step It is rapid 3) in original air compressor plant of measurement power plant supply dew point when, dew point monitoring sensor is installed at drier air supply outlet, and Dew point data Π will be measured to be contrasted with drier nameplate demarcation dew point data, judge whether the two is consistent, if inconsistent Illustrate that the drier dew point is not up to standard.
5. a kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method according to claim 1, it is characterised in that step Rapid 4) original air compressor plant of middle calculating power plant consumes electricity charge calculation formula and is：
Wherein, $BeforeFor air compression station consumption total electricity bill, member before transformation；θ is electricity Unit Price, member/kWh；N is pneumatics board before transformation Number, m is drier number of units, P before transformationiFor air compressor machine rated power, kW before transformation；TiFor when air compressor machine whole year starts shooting before transformation Between, h；PjFor drier rated power, kW before transformation；αjTo transform preceding drier regeneration times, times/day；βjTo be dried before transformation Device regeneration is time-consuming every time to be counted, h/ times；djFor annual start number of days, day before transformation；
Total tolerance is before original air compressor retrofitShi Jishiyong tolerance is changed into after being regenerated through drierRegenerating discharge gas amount is
6. a kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method according to claim 1, it is characterised in that step During rapid 5) middle establishment power plant's air compressor plant reducing energy consumption scheme, it is regenerated without using zero-emission regenerative dryer, i.e. drier Finished product regenerator is discharged, drier is regenerated by being pumped into after being heated to surrounding air in dryer column, pneumatics after transformation Machine actual motion number of units isIt is that the one-to-one method of operation, i.e. L are also drier after transforming that air compressor machine, which is chosen, with drying machine Number of units, on the premise of air demand is ensured, L round numbers.
7. a kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method according to claim 1, it is characterised in that step The air compressor plant consumption electricity charge are after rapid 6) middle calculating energy conservation transformation of power plants：
Wherein, $AfterwardsTotal electricity bill, member are consumed for air compression station after transformation；θ is electricity Unit Price, member/kWh；L for transformation after air compressor machine and Drier number of units, WiFor air compressor machine rated power, kW after transformation；SiIt it is air compressor machine annual available machine time, h after transformation；WjFor transformation Drier heater power ratings, kW afterwards；EjFor drier blower fan rated power, kW after transformation；λjRegenerated for drier after transformation Number of times, times/day；γjCounted for drier regeneration after transformation is time-consuming every time, h/ times；μjFor annual start number of days, day after transformation；
Unit air compressor machine power P before and after transformationi=WiKeep constant.
8. a kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method according to claim 1, it is characterised in that step Rapid 7) air compressor machine year saves economic benefitBefore- $Afterwards, energy-conservation ratioPay off period isWherein $ThrowFor investment for trnasforming urban land cost.
9. a kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method according to claim 1, it is characterised in that step Air compressor machine drier regeneration gas takes after rapid 8) middle measurement energy conservation transformation of power plants, air compressor machine air supply outlet and drier after transformation Inlet connection, which is installed, installs flow monitoring sensor at flow monitoring sensor, drier air supply outlet, entered using drier Drier regeneration gas consumption ω after difference in flow divided by drier inlet flow rate between mouth and outlet are transformed.
10. a kind of power plant's exhaust end base of oil injection threaded bolt type air compressor plant energy-conserving reconstruction method according to claim 1, it is characterised in that Step 9) in measurement energy conservation transformation of power plants after air compressor plant supply dew point when, at drier air supply outlet install dew point monitoring pass Sensor, it is Λ to measure dew point data after transformation；Gas consumption η should be less than gas consumption ω before transforming after transformation, and dew point Λ should be less than after transformation Dew point Π before transformation.
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102218255A (en) * 2010-04-16 2011-10-19 李俊仁 Drier and drying and regenerating method of drier
CN203829869U (en) * 2014-04-11 2014-09-17 漳州震东机械有限公司 Zero-gas-consumption compression heat regeneration adsorption type drying machine
CN104635684A (en) * 2014-12-25 2015-05-20 冶金自动化研究设计院 Cluster optimization control system for air compressor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102218255A (en) * 2010-04-16 2011-10-19 李俊仁 Drier and drying and regenerating method of drier
CN203829869U (en) * 2014-04-11 2014-09-17 漳州震东机械有限公司 Zero-gas-consumption compression heat regeneration adsorption type drying machine
CN104635684A (en) * 2014-12-25 2015-05-20 冶金自动化研究设计院 Cluster optimization control system for air compressor

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