CN206112902U - Efficient intermittence volume of diffusing power steam recovery system - Google Patents
Efficient intermittence volume of diffusing power steam recovery system Download PDFInfo
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- CN206112902U CN206112902U CN201621097985.5U CN201621097985U CN206112902U CN 206112902 U CN206112902 U CN 206112902U CN 201621097985 U CN201621097985 U CN 201621097985U CN 206112902 U CN206112902 U CN 206112902U
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- steam
- working medium
- organic working
- pneumatic operated
- operated valve
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Abstract
The utility model discloses an efficient intermittence volume of diffusing power steam recovery system, including steam stationary flow pressure regulating system, vapor expansion power generation system, organic working medium power generation system, condensate return system and control system. Steam will be diffused and steam stationary flow pressure regulating system will be inserted, utilize the defeated outflow of the balanced steam of steam heat accumulator, stabilize the steam delivery pressure through the pressure regulating pneumatic valve, steam after the stationary flow pressure regulating inserts vapor expansion power generation system, through steam type expander assembly acting electricity generation, steam type expander acting back exhaust exhaust steam gets into organic working medium power generation system, organic working medium type unit utilizes by the organic working medium acting electricity generation after the exhaust steam heating, become the condensate water after exhaust steam and the organic working medium heat transfer, the condensate water is collected by condensate return system, through control system control steam stationary flow pressure regulating system, vapor expansion power generation system and organic working medium power generation system collaborative work, can be with the abundant recycle of the energy that diffuses steam, the goal of saving energy sources is achieved.
Description
Technical field
This utility model is related to diffuse steam energy recovery technology field, and in particular to a kind of efficient intermittence diffuses steaming
Vapour energy-recuperation system.
Background technology
Steel and iron industry is major power consumer, and energy resource consumption accounts for 16% or so of national total energy consumption.Steam is iron and steel enterprise's life
Produce and live the necessary energy, and according to the statistics to part iron enterprise, steam energy consumption accounts for 10% or so of enterprise's total energy consumption,
And the afterheat steam amount of recoverable is also very big, 7% of enterprise energy consumption or so is accounted for.
The equipment utilization waste heat boiler such as converter, electric furnace and heating furnace is converted to a large amount of steam, steam in iron and steel enterprise's production
Used by oneself for smelting furnaces such as VD stoves, VOD stoves, RH stoves by plant area's steam pipe system, also some vapor is had more than needed.Residue steam is according to steaming
Vapour ductwork pressure is diffused：Diffusion valve is opened when steam pipe system pressure exceedes setting value, steam releasing；Steam pipe system pressure is low
Diffusion valve is closed when setting value, stops diffusing.The features such as having intermittent, irregular due to diffusing steam, it is difficult to enter to pass through
Ji ground is recycled, and causes substantial amounts of energy loss and water resource waste.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of efficient intermittence and diffuses steam energy recovery system,
To solve to diffuse steam because intermittence is difficult to the difficult problem that continuous-stable is utilized.
In order to solve above-mentioned technical problem, the technical scheme that this utility model is provided is as follows：A kind of efficient intermittence is put
Waste steam energy-recuperation system, including：Steam VOLTAG CHOPPER VEGULATOR system, the steam VOLTAG CHOPPER VEGULATOR system at least includes steam accumulation of heat
Device, the upstream of the steam accumulator is provided with pressure limiting pneumatic operated valve, and downstream is provided with pressure regulation pneumatic operated valve；Steam expansion electricity generation system, the steaming
Vapour expansion power generation system at least includes steam type expansion unit, first step air-valve and bypass pneumatic operated valve, the first step air-valve position
In steam type expansion unit upstream, bypass pneumatic operated valve expands unit with steam type and first step air-valve is in parallel；Organic working medium generates electricity
System, the organic working medium electricity generation system at least includes organic working medium generating set, and the upstream of the organic working medium generating set is provided with
Second stage pneumatic valve；Condensate return system；Control system, the control system control steam VOLTAG CHOPPER VEGULATOR system, steam expansion are sent out
Electric system and organic working medium electricity generation system collaborative work.
The efficient intermittence of said structure diffuses steam energy recovery system, will diffuse steam and accesses steam VOLTAG CHOPPER VEGULATOR
System, using steam accumulator equilibrium vapor output flow, by the stable steam output pressure of pressure regulation pneumatic operated valve, Jing VOLTAG CHOPPER VEGULATORs
Steam afterwards accesses steam expansion electricity generation system, expands unit acting by steam type and generates electricity, steam type decompressor acting heel row
The exhaust steam for going out enters organic working medium electricity generation system, and organic working medium type unit is sent out using the organic working medium acting after being heated by exhaust steam
Electricity, after exhaust steam and organic working medium heat exchange condensate is become, and condensate is collected by condensate return system, by control system control
Steam VOLTAG CHOPPER VEGULATOR system, steam expansion electricity generation system and organic working medium electricity generation system collaborative work, can will diffuse steam
Energy is fully recycled, and reaches the purpose of energy saving.
Further, described control system include controller, the pressure transmitter one located at steam accumulator entrance point,
Located at the pressure transmitter two and the pressure transmitter three located at bypass pneumatic operated valve upstream of the steam accumulator port of export, the control
Device processed respectively with pressure transmitter one, pressure transmitter two, pressure transmitter three, pressure limiting pneumatic operated valve, pressure regulation pneumatic operated valve, one-level gas
Dynamic valve, bypass pneumatic operated valve, second stage pneumatic valve, steam type expansion unit and the connection of machine working medium generating set.
Further, the controller is PLC.
Further, the condensate return system includes condensate tank and water pump, the condensate tank and organic working medium
Generating set is connected.
Description of the drawings
Fig. 1 is the structural representation that a kind of efficient intermittence of the present embodiment diffuses steam energy recovery system；
Fig. 2 is the connection diagram of the present embodiment control system.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain
This utility model, is not used to limit this utility model.
A kind of efficient intermittence diffuses steam energy recovery system, as shown in figure 1, including steam VOLTAG CHOPPER VEGULATOR system 1,
Steam expansion electricity generation system 2, organic working medium electricity generation system 3 and condensate return system 4.Wherein steam VOLTAG CHOPPER VEGULATOR system 1
Entrance point access and diffuse steam, the entrance point of port of export connection steam expansion electricity generation system 2, steam expansion electricity generation system 2
The entrance point of port of export connection organic working medium electricity generation system 3, the port of export connection condensate-water polishing system of organic working medium electricity generation system 3
System 4.
In the present embodiment, steam VOLTAG CHOPPER VEGULATOR system at least include steam accumulator 11, the steam accumulator 11 it is upper
Trip is provided with pressure limiting pneumatic operated valve 12, and downstream is provided with pressure regulation pneumatic operated valve 13.The accumulation of energy effect for diffusing steam utilization steam accumulator 11 is steady
Surely steam flow is exported, when quantity of steam is larger, some vapor is liquefied as water and is stored in steam accumulator 11；When quantity of steam compared with
Hour, it is stored in part water in thermophore and flashes to steam and replenishes the supply.Controlled by the pressure regulation pneumatic operated valve 13 in thermophore downstream
The steam pressure of output, the even running for subsequent power generation unit provides essential condition.
Steam expansion electricity generation system in the present embodiment at least includes steam type expansion unit 21, first step air-valve 22 and side
Logical pneumatic operated valve 23, wherein first step air-valve 22 are located at steam type and expand unit upstream and expand units connected in series, bypass with steam type
Pneumatic operated valve 23 expands unit 21 with steam type and first step air-valve 22 is in parallel.Steam Jing after VOLTAG CHOPPER VEGULATOR is sent into steam expansion and is sent out
Electric system is used, and steam pressure is monitored by the pressure transmitter 3 53 that steam type unit bypasses pneumatic operated valve upstream, works as vapour pressure
When power is higher, the exhaust steam that steam is discharged Jing after the acting of steam type unit 21 enters organic working medium electricity generation system 3；When steam pressure it is low
When a certain setting value, the first step air-valve 22 of the upstream of steam type unit 21 is automatically switched off, and steam type unit 21 is stopped transport, while other
Logical pneumatic operated valve 23 is opened, and steam is directly entered organic working medium electricity generation system 3 after the bypass pressure regulation of pneumatic operated valve 23.
The organic working medium electricity generation system 3 of the present embodiment at least includes organic working medium generating set 31, and the organic working medium generates electricity
The upstream of unit 31 is provided with second stage pneumatic valve 32.Become into after the steam of organic working medium electricity generation system 3, with organic working medium heat exchange
Condensate, organic working medium becomes gases at high pressure and generates electricity into the expansion work of organic working medium generating set 31 after being heated, condensate leads to
Cross condensate return system 4 to collect.
The condensate return system 4 of the present embodiment includes condensate tank 41 and water pump 42, and water pump 42 pressurizes condensate defeated
It is sent to plant area's condensate pipe network recycling.
Further, the efficient intermittence of the present embodiment diffuses steam energy recovery system, also including control system, such as schemes
Shown in 2, control system is including controller 5, the pressure transmitter 1 located at the entrance point of steam accumulator 11, located at steam accumulation of heat
The pressure transmitter 2 52 of the device port of export and the pressure transmitter 3 53 located at bypass pneumatic operated valve upstream.Wherein controller 5 is excellent
PLC is elected as, respectively with pressure transmitter one, pressure transmitter two, pressure transmitter three, pressure limiting pneumatic operated valve, pressure regulation gas
Dynamic valve, first step air-valve, bypass pneumatic operated valve, second stage pneumatic valve, steam type expansion unit and the connection of machine working medium generating set, control
Recovery system collaborative work processed.
Hereinafter the efficient intermittence for the present embodiment diffuses test feelings of the steam energy recovery system in certain iron and steel enterprise
Condition, to prove the practical function that the efficient intermittence of the present embodiment diffuses steam energy recovery system.
Certain iron and steel enterprise's residue steam is diffused by steam pipe system A points, is automatically adjusted according to ductwork pressure.Pipe network pressure
Power setting value is 1.2MPaG, and when steam pressure exceedes setting value, pneumatic operated valve is automatically opened up to carry out diffusing pressure release, works as pipeline pressure
Less than setting value, pneumatic operated valve is automatically switched off, to maintain manifold pressure as 1.2MPaG targets.According to service data record case,
Under normal circumstances, diffusion valve open and close are totally presented certain cyclically-varying, but close the diffusion valve time with different time sections
And it is different.Calculated according to actual survey, instantaneous delivery is 32t/h during maximum opening, averagely diffuse flow for 18t/h.
According to steam parameter and Diffusion Law, diffuse steam energy recovery system and select 1 150m3Steam accumulator（Go out
Mouth pressure arranges 0.5MPaG）, configuration steam type 2 sets of unit of expansion（Design initial steam pressure 0.5MPaG, exhaust steam pressure
0.008MPaG）, 3 sets of organic working medium generating set（Design initial steam pressure 0.008MPaG, 55 DEG C of condensate leaving water temperature）, according to
Various Seasonal steam releasing amount, the pattern for taking multiple stage Unit Combination to run.Generating set configuration is as follows：
The generating set allocation list of table 1
| Sequence number | Type | Decompressor model | Number of units | Specified vapour amount（t/h） | Specified net electric generation（kW） |
| 1 | Steam type | G-500 | 2 | 9.7 | 496 |
| 2 | Organic working medium type | O-450 | 2 | 6.5 | 350 |
| 3 | Organic working medium type | O-185 | 1 | 2.6 | 138 |
Operational mode table under the different steam flows of table 2
The iron and steel enterprise is carried out after waste heat recovery technological transformation for diffusing steam, year net electric generation up to 10,540,000 degree, year time
Receive 9.98 ten thousand tons of condensate.
According to 0.63 yuan of the business electrical unit price/degree, the 10 yuan/ton of calculating of softened water production cost, annual earnings are：0.63×
Yuan/year of 1054+10 × 9.98=763.8 ten thousand.
In a word, preferred embodiment of the present utility model is the foregoing is only, it is all not to limit this utility model
Any modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in this practicality
Within new protection domain.
Claims (4)
1. a kind of efficient intermittence diffuses steam energy recovery system, it is characterised in that include：
Steam VOLTAG CHOPPER VEGULATOR system, the steam VOLTAG CHOPPER VEGULATOR system at least includes steam accumulator, the upstream of the steam accumulator
Pressure limiting pneumatic operated valve is provided with, downstream is provided with pressure regulation pneumatic operated valve；
Steam expansion electricity generation system, the steam expansion electricity generation system at least includes steam type expansion unit, first step air-valve and side
Logical pneumatic operated valve, the first step air-valve is located at steam type expansion unit upstream, and bypass pneumatic operated valve expands unit and with steam type
Level pneumatic operated valve is in parallel；
Organic working medium electricity generation system, the organic working medium electricity generation system at least includes organic working medium generating set, and the organic working medium is sent out
The upstream of group of motors is provided with second stage pneumatic valve；
Condensate return system；
Control system, control system control steam VOLTAG CHOPPER VEGULATOR system, steam expansion electricity generation system and the organic working medium generate electricity and are
System collaborative work.
2. steam energy recovery system is diffused according to the efficient intermittence described in claim 1, it is characterised in that described control
System processed is including controller, the pressure transmitter one located at steam accumulator entrance point, located at the pressure of the steam accumulator port of export
Power transmitter two and the pressure transmitter three located at bypass pneumatic operated valve upstream, the controller respectively with pressure transmitter one,
Pressure transmitter two, pressure transmitter three, pressure limiting pneumatic operated valve, pressure regulation pneumatic operated valve, first step air-valve, bypass pneumatic operated valve, two grades of gas
Dynamic valve, steam type expansion unit and the connection of machine working medium generating set.
3. steam energy recovery system is diffused according to the efficient intermittence described in claim 2, it is characterised in that the control
Device is PLC.
4. steam energy recovery system is diffused according to the efficient intermittence described in any one of claim 1-3, it is characterised in that
The condensate return system includes condensate tank and water pump, and the condensate tank is connected with organic working medium generating set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621097985.5U CN206112902U (en) | 2016-09-30 | 2016-09-30 | Efficient intermittence volume of diffusing power steam recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621097985.5U CN206112902U (en) | 2016-09-30 | 2016-09-30 | Efficient intermittence volume of diffusing power steam recovery system |
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| Publication Number | Publication Date |
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| CN206112902U true CN206112902U (en) | 2017-04-19 |
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| CN201621097985.5U Withdrawn - After Issue CN206112902U (en) | 2016-09-30 | 2016-09-30 | Efficient intermittence volume of diffusing power steam recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594704A (en) * | 2016-09-30 | 2017-04-26 | 浙江科维节能技术股份有限公司 | High efficiency intermittent diffused steam energy recovery system |
-
2016
- 2016-09-30 CN CN201621097985.5U patent/CN206112902U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594704A (en) * | 2016-09-30 | 2017-04-26 | 浙江科维节能技术股份有限公司 | High efficiency intermittent diffused steam energy recovery system |
| CN106594704B (en) * | 2016-09-30 | 2019-03-08 | 浙江科维节能技术股份有限公司 | A kind of efficient intermittence release steam energy recovery system |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170419 Effective date of abandoning: 20190308 |
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| AV01 | Patent right actively abandoned |