CN209689403U - Residual neat recovering system - Google Patents
Residual neat recovering system Download PDFInfo
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- CN209689403U CN209689403U CN201920204813.0U CN201920204813U CN209689403U CN 209689403 U CN209689403 U CN 209689403U CN 201920204813 U CN201920204813 U CN 201920204813U CN 209689403 U CN209689403 U CN 209689403U
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- heat recovery
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- recovering system
- residual neat
- neat recovering
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model provides a kind of residual neat recovering system, residual neat recovering system includes steam electric power generator, conveying mechanism and at least two heat recovery boilers, wherein, conveying mechanism is used to the steam of at least one heat recovery boiler in all heat recovery boilers being delivered to steam electric power generator.Residual neat recovering system provided by the utility model can save the land area for building multiple heat recovery boilers, improve the flexibility of multiple heat recovery boiler construction, save construction cost.
Description
Technical field
The utility model relates to Dry Quenching Technology fields, and in particular, to a kind of residual neat recovering system.
Background technique
Currently, being usually provided with waste heat in coke-oven plant as country's encouragement efficiently uses the waste heat of coke-oven plant
Recovery system is generated electricity by residual neat recovering system using the waste heat of coke oven, and residual neat recovering system generally includes turbine generator
It stands, heat recovery boiler and desalted water station, wherein desalted water station is connect with heat recovery boiler, for heat recovery boiler
Middle conveying boiler water, coke oven are connect with heat recovery boiler, remaining to have the gas of amount of heat to heat recovery boiler discharge
Thimble-tube boiler be used for make with amount of heat gas and boiler water carry out heat exchange and generate steam, and with turbine generator station
Connection, is passed through turbine generator station for steam, to generate electricity by turbine generator station.
But as country encourages coke-oven plant to change from wet quenching to Dry Quenching, to reach reduction environmental pollution, and
The purpose of further energy-saving and emission-reduction, makes Dry Quenching cogeneration technology be rapidly progressed and popularize in the nearly more than ten years.And
Coke-oven plant is when creating a set of dry quenching system, it is also desirable to which one turbine generator station of auxiliary construction and a desalted water station cause
Coke-oven plant needs to occupy a large amount of site area in coke-oven plant in newly-built dry quenching system, and it also requires investment is largely built
If expense, these are all unfavorable for the construction of dry quenching system, hinder the development of dry coke quenching cogeneration technology and popularize.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art, proposes a kind of waste heat recycling
System can save the land area for building multiple heat recovery boilers, improve the flexible of multiple heat recovery boiler construction
Property, save construction cost.
A kind of residual neat recovering system is provided to realize the purpose of this utility model, the residual neat recovering system includes steam
Power generator, conveying mechanism and at least two heat recovery boilers, wherein the conveying mechanism is for will be described in all
The steam of at least one heat recovery boiler in heat recovery boiler is delivered to the steam electric power generator.
Preferably, the conveying mechanism includes at least two air inlet pipe, and the quantity of the air inlet pipe and the waste heat recycle
The quantity of boiler is identical, and each air inlet pipe will convey correspondingly from the steam of each heat recovery boiler
To the steam electric power generator.
Preferably, at least two air inlet pipe are parallel with one another, and the conveying mechanism further includes general pipeline, the general pipeline's
One end is connect with the steam electric power generator, and the other end is concatenated with parallel with one another at least two air inlet pipe.
Preferably, on-off valve is provided in each air inlet pipe.
Preferably, the heat recovery boiler is two, and respectively the first heat recovery boiler and the second waste heat recycle pot
Furnace；
The residual neat recovering system further includes condenser, condensate line and water station, wherein the water station and described first
Heat recovery boiler connection, is used for the moisturizing into first heat recovery boiler；
The condenser is connect with the steam electric power generator, for forming the steam of the steam electric power generator discharge
Condensed water；
The condensate line is connect with the condenser and second heat recovery boiler, and condensed water is delivered to
Second heat recovery boiler.
Preferably, the residual neat recovering system further includes moisturizing branch, the moisturizing branch and the water station and described solidifying
Piping connection is born water, for the water in the water station to be supplemented in second heat recovery boiler.
Preferably, the residual neat recovering system further includes condensate tank and hydraulic pipeline, and the condensate tank is coagulated with described
It bears water pipeline to connect with the water station, for holding the water from the condensate line and the water station；
The hydraulic pipeline is connect with the condensate tank and second heat recovery boiler, will be contained in described solidifying
The water in case is born water to be delivered in second heat recovery boiler.
Preferably, the residual neat recovering system further includes oxygen-eliminating device, and the oxygen-eliminating device is arranged on the hydraulic pipeline, is used
Oxygen element removal in the condensed water that will flow through the hydraulic pipeline.
Preferably, the residual neat recovering system further includes heat exchanger, and the heat exchanger is arranged on the hydraulic pipeline, and
Positioned at the upstream of the oxygen-eliminating device, for being heated to the condensed water for flowing through the hydraulic pipeline.
Preferably, the residual neat recovering system further includes condensate pump, water tank pump and feed pump, wherein the condensed water
Pump is arranged on the condensate pipe road, and the condensed water for forming the condenser pumps to institute by the condensate line
State the second heat recovery boiler；
The water tank pump is arranged on the hydraulic pipeline, and between the condensate tank and the heat exchanger, uses
In the water in the condensate tank is pumped to the heat exchanger；
The feed pump is arranged on the hydraulic pipeline, and is located at the downstream of the oxygen-eliminating device, described for that will pass through
The water of oxygen-eliminating device pumps to second heat recovery boiler.
The utility model has the following beneficial effects:
Residual neat recovering system provided by the utility model includes that steam electric power generator, conveying mechanism and at least two waste heats return
Receive boiler, wherein conveying mechanism is used for will be from the steaming of at least one heat recovery boiler in all heat recovery boilers
Vapour is delivered to steam electric power generator, and the steam that all heat recovery boilers can be made to generate by conveying mechanism all passes through same
A steam electric power generator generates electricity, compared with prior art, when building multiple heat recovery boilers, it is only necessary to establish a steaming
Vapour power generator improves multiple heat recovery boilers and builds to save the land area for building multiple heat recovery boilers
If flexibility, save construction cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of residual neat recovering system provided by the utility model；
Description of symbols:
11- steam electric power generator；12- air inlet pipe；13- general pipeline；14- on-off valve；The first heat recovery boiler of 15-；16-
Two heat recovery boilers；17- condenser；18- condensate line；19- water station；20- moisturizing branch；21- condensate tank；22- is defeated
Water lines；23- oxygen-eliminating device；24- heat exchanger；25- condensate pump；26- water tank pump；27- feed pump.
Specific embodiment
To make those skilled in the art more fully understand the technical solution of the utility model, come with reference to the accompanying drawing to this
The residual neat recovering system that utility model provides is described in detail.
As shown in Figure 1, residual neat recovering system includes steam electric power generator the present embodiment provides a kind of residual neat recovering system
11, conveying mechanism and at least two heat recovery boilers, wherein conveying mechanism is used for will be in all heat recovery boilers
The steam of at least one heat recovery boiler be delivered to steam electric power generator 11.
Residual neat recovering system provided in this embodiment can be such that all heat recovery boilers generate by conveying mechanism
Steam all passes through the same steam electric power generator 11 and generates electricity, and compared with prior art, is building multiple heat recovery boilers
When, it is only necessary to a steam electric power generator 11 is established, to save the land area for building multiple heat recovery boilers, is improved
The flexibility of multiple heat recovery boiler construction, saves construction cost.
Specifically, in the prior art, most of coke-oven plant has built the residual neat recovering system of complete set, i.e., it is remaining
Thimble-tube boiler and steam electric power generator 11 still call in response country and establish dry coke quenching residual neat recovering system, with further
When being recycled to waste heat, it is necessary to build coke dry quenching boiler and another steam-electric power matched with coke dry quenching boiler again
Device 11, this results in newly-built dry coke quenching residual neat recovering system that can occupy a large amount of site area in coke-oven plant, and it also requires
Invest a large amount of construction cost, and the residual neat recovering system provided through this embodiment, it can also will be created by conveying mechanism
The steam of coke dry quenching boiler be delivered in the steam electric power generator 11 originally built, make newly-built dry coke quenching residual neat recovering system
When, it does not need still further to build steam electric power generator 11 matched with coke dry quenching boiler, but only needs to establish coke dry quenching boiler
, to save the land area of construction dry coke quenching residual neat recovering system, improve the spirit of dry coke quenching residual neat recovering system construction
Activity saves the expense of construction dry coke quenching residual neat recovering system.
In practical applications, steam electric power generator 11 includes steam turbine and generator, the steaming generated by heat recovery boiler
Vapour enters expansion work in steam turbine, and blade is made to rotate and drive electrical power generators.
In the present embodiment, conveying mechanism includes at least two air inlet pipe 12, and the quantity and waste heat of air inlet pipe 12 recycle pot
The quantity of furnace is identical, and the steam from each heat recovery boiler is delivered to steam hair correspondingly by each air inlet pipe 12
Electric installation 11.
In practical applications, can by the way that each heat recovery boiler is connect with corresponding air inlet pipe 12 so that
The steam that each heat recovery boiler generates by being delivered in steam electric power generator 11 with the air inlet pipe 12 respectively connecting, thus
The steam of at least one heat recovery boiler in all heat recovery boilers is delivered to by realization by conveying mechanism
The effect of steam electric power generator 11.
In the present embodiment, at least two air inlet pipe 12 are parallel with one another, and conveying mechanism further includes general pipeline 13, general pipeline's 13
One end is connect with steam electric power generator 11, and the other end is concatenated at least two air inlet pipe 12 parallel with one another.
Specifically, at least two air inlet pipe 12 are parallel with one another so that each air inlet pipe 12 can convey respectively come from and its
The steam of corresponding waste heat boiler, by connecting at least two air inlet pipe 12 parallel with one another with general pipeline 13, so that at least two
Steam in a air inlet pipe 12 can be passed through in general pipeline 13, and by the way that general pipeline 13 to be connect with steam electric power generator 11, so that always
Steam in pipe 13 can be passed through in steam electric power generator 11, thus generated electricity by steam electric power generator 11 using steam,
That is, the steam that heat recovery boiler generates passes sequentially through corresponding air inlet pipe 12 and general pipeline 13 into steam-electric power
In device 11.
In practical applications, steam electric power generator 11 can use steam turbine generator, still, however it is not limited to this.
In the present embodiment, on-off valve 14 is provided in each air inlet pipe 12, such design can be by beating
On-off valve 14 is closed on or off, so that air inlet pipe 12 is in connection or off-state, so as to select in multiple heat recovery boilers
It selects part of waste heat recycling boiler to use, is in suspended state when part of waste heat recycles boiler, it can be by corresponding air inlet pipe
On-off valve 14 on 12 is closed, and the air inlet pipe 12 between heat recovery boiler and steam electric power generator 11 in suspended state is made
It disconnects, avoids the opposing steam flow in steam electric power generator 11 or general pipeline 13 into the heat recovery boiler for being in suspended state,
Cause the waste of steam.
In the present embodiment, heat recovery boiler is two, and respectively the first heat recovery boiler 15 and the second waste heat return
Receive boiler 16；Residual neat recovering system further includes condenser 17, condensate line 18 and water station 19, wherein water station 19 and more than first
Thimble-tube boiler 15 connects, and is used for the moisturizing into the first heat recovery boiler 15；Condenser 17 is connect with steam electric power generator 11,
Steam for steam electric power generator 11 to be discharged forms condensed water；Condensate line 18 and condenser 17 and the second waste heat recycle
Boiler 16 connects, and condensed water is delivered to the second heat recovery boiler 16.
Specifically, in the prior art, the residual neat recovering system of most of coke-oven plant's construction further includes water station 19, pass through by
First heat recovery boiler 15 is connect with water station 19, can be existed by the moisturizing into the first heat recovery boiler 15 of water station 19, water
The waste heat generated in first heat recovery boiler 15 with coke-oven plant carries out heat exchange, that is, water is in the first heat recovery boiler 15
The waste-heat generated by coke-oven plant, to form steam, the steam that the first heat recovery boiler 15 generates enters steam-electric power
It after device 11 generates electricity, has some vapor and is discharged by steam electric power generator 11, by by condenser 17 and steam electric power generator 11
Connection, is condensed into condensed water for the steam being discharged by steam electric power generator 11, and convey condensed water by condensate line 18
Into the second heat recovery boiler 16, condensed water continues to carry out with the waste heat that coke-oven plant generates in the second heat recovery boiler 16
Heat exchange, additionally it is possible to generate steam and be used so that steam electric power generator 11 generates electricity, that is, the second heat recovery boiler 16 is to utilize steam
The condensed water that the steam that power generator 11 is discharged is formed generates steam, therefore, when building the second heat recovery boiler 16,
It does not need to build independent water station 19 matched with its again, further saves the land area for building multiple heat recovery boilers,
The flexibility for improving multiple heat recovery boiler construction, saves construction cost.
In practical applications, the first heat recovery boiler 15 and the second heat recovery boiler 16 can be coke dry quenching boiler or
Person's coal gas heat recovery boiler is still not limited thereto.In addition, the water in water station 19 can use demineralized water, still, and
It is not limited.
In the present embodiment, condenser 17 is a kind of heat exchanger 24 that turbine discharge is condensed into water, also known as steam condenser.
In the present embodiment, residual neat recovering system further includes moisturizing branch 20, moisturizing branch 20 and water station 19 and condensed water
Pipeline 18 connects, for the water in water station 19 to be supplemented in the second heat recovery boiler 16.
In practical applications, power generation, only small part steam are mostly used in into the steam in steam electric power generator 11
It is discharged by steam electric power generator 11, this, which allows for the condensed water in the second heat recovery boiler 16, seldom the second waste heat to be made to return
The efficiency for receiving the generation steam of boiler 16 is lower, and the water in water station 19 is supplemented to the second heat recovery boiler by moisturizing branch 20
In 16, increase the water in the second heat recovery boiler 16, so that very high second heat recovery boiler 16 generates the efficiency of steam.
In the present embodiment, residual neat recovering system further includes condensate tank 21 and hydraulic pipeline 22, condensate tank 21 and solidifying
It bears water pipeline 18 and water station 19 connects, for holding the water from condensate line 18 and water station 19；Hydraulic pipeline 22 and condensation
The water being contained in condensate tank 21 is delivered to the second waste heat recycling pot by water tank 21 and the connection of the second heat recovery boiler 16
In furnace 16.
Specifically, making condensed water pass through condensed water by the way that condensate tank 21 to be connect with condensate line 18 and water station 19
Pipeline 18 enters in condensate tank 21, and the water in water station 19 also enters in condensate tank 21, can be in the second heat recovery boiler
When 16 water consumptions are smaller, by the collection condensed water of condensate tank 21 and the water from water station 19, and in the second heat recovery boiler
When 16 water consumptions are larger, the water collected in condensate tank 21 is delivered to by the second heat recovery boiler 16 by hydraulic pipeline 22
In, to avoid the waste of water.
In the present embodiment, residual neat recovering system further includes oxygen-eliminating device 23, and oxygen-eliminating device 23 is arranged on hydraulic pipeline 22, is used
Oxygen element removal in the condensed water that will flow through hydraulic pipeline 22.
Specifically, oxygen-eliminating device 23 is arranged on hydraulic pipeline 22, when the water in condensate tank 21 is flowed by hydraulic pipeline 22
During the second heat recovery boiler 16, when passing through oxygen-eliminating device 23, the oxygen element in water removal is gone by oxygen-eliminating device 23, with
Improve the quality that water generates steam in the second heat recovery boiler 16.
In the present embodiment, residual neat recovering system further includes heat exchanger 24, and heat exchanger 24 is arranged on hydraulic pipeline 22, and
Positioned at the upstream of oxygen-eliminating device 23, for being heated to the condensed water for flowing through hydraulic pipeline 22.
Specifically, heat exchanger 24 is located at the upstream of oxygen-eliminating device 23 on hydraulic pipeline 22, so as to flow through hydraulic pipeline 22
Water first passes through the heating of heat exchanger 24, and using 23 deoxygenation of oxygen-eliminating device, oxygen-eliminating device 23 can be improved to the deaerating effect of water, further
Improve the quality that water generates steam in the second heat recovery boiler 16.
In practical applications, the waste heat that the heat source in heat exchanger 24 can also be generated using coke-oven plant, specifically, heat exchanger
24 include two heat exchanger channels, and the waste heat that water and coke-oven plant generate is each by different channels, to make water in heat exchanger 24
Middle carry out heat exchange, wherein for water when being in 104 DEG C, oxygen-eliminating device 23 is best to the deaerating effect of water.
In the present embodiment, residual neat recovering system further includes condensate pump 25, water tank pump 26 and feed pump 27, wherein solidifying
It bears water pump 25 to be arranged on condensate line 18, condensed water for forming condenser 17 pumps to the by condensate line 18
Two heat recovery boilers 16；Water tank pump 26 is arranged on hydraulic pipeline 22, and between condensate tank 21 and heat exchanger 24, uses
In the water in condensate tank 21 is pumped to heat exchanger 24；Feed pump 27 is arranged on hydraulic pipeline 22, and is located at oxygen-eliminating device 23
Downstream, for the water for passing through oxygen-eliminating device 23 to be pumped to the second heat recovery boiler 16.
Specifically, condensate pump 25 is arranged on the condensate line 18 between condenser 17 and condensate tank 21, it will
The condensed water that condenser 17 is formed pumps in condensate tank 21, improves the transfer efficiency of condensed water, and water tank pump 26 is arranged in
On hydraulic pipeline 22 between condensate tank 21 and heat exchanger 24, the water in condensate tank 21 is pumped into heat exchanger 24, to mention
Transfer efficiency of the Gao Shui in hydraulic pipeline 22, feed pump 27 are arranged on the hydraulic pipeline 22 in 23 downstream of oxygen-eliminating device, with
Water after 23 deoxygenation of oxygen-eliminating device is pumped into the second heat recovery boiler 16, to improve conveying effect of the water in hydraulic pipeline 22
Rate can shorten water from 17 to the second heat recovery boiler 16 of condenser by condensate pump 25, water tank pump 26 and feed pump 27
Time, improve efficiency of the water from 17 to the second heat recovery boiler 16 of condenser.
In conclusion residual neat recovering system provided in this embodiment, passes through the steam for generating multiple heat recovery boilers
It is all generated electricity by the same steam electric power generator 11, to save the land area for building multiple heat recovery boilers, is mentioned
The flexibility of high multiple heat recovery boiler construction saves construction cost, also, has the first waste heat in residual neat recovering system
When recycling boiler 15 and the second heat recovery boiler 16, the second heat recovery boiler 16 can be made to utilize 11 row of steam electric power generator
The condensed water that steam out is formed generates steam, to avoid independent water station matched with the second heat recovery boiler 16 is built again
19, the land area for building multiple heat recovery boilers is further saved, the flexibility of multiple heat recovery boiler construction is improved,
Save construction cost.
It is understood that embodiment of above is merely to illustrate that the principles of the present invention and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case where the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection scope.
Claims (10)
1. a kind of residual neat recovering system, which is characterized in that the residual neat recovering system include steam electric power generator, conveying mechanism and
At least two heat recovery boilers, wherein the conveying mechanism is used for will be in all heat recovery boilers extremely
The steam of a few heat recovery boiler is delivered to the steam electric power generator.
2. residual neat recovering system according to claim 1, which is characterized in that the conveying mechanism includes at least two air inlets
Pipe, the quantity of the air inlet pipe is identical as the quantity of the heat recovery boiler, and each air inlet pipe correspondingly will
Steam from each heat recovery boiler is delivered to the steam electric power generator.
3. residual neat recovering system according to claim 2, which is characterized in that at least two air inlet pipe are parallel with one another,
And the conveying mechanism further includes general pipeline, one end of the general pipeline is connect with the steam electric power generator, the other end and mutually simultaneously
The air inlet pipe concatenation of at least two of connection.
4. residual neat recovering system according to claim 2 or 3, which is characterized in that be respectively provided in each air inlet pipe
There is on-off valve.
5. residual neat recovering system according to claim 1, which is characterized in that the heat recovery boiler is two, respectively
For the first heat recovery boiler and the second heat recovery boiler；
The residual neat recovering system further includes condenser, condensate line and water station, wherein the water station and first waste heat
Boiler connection is recycled, the moisturizing into first heat recovery boiler is used for；
The condenser is connect with the steam electric power generator, for making the steam of the steam electric power generator discharge form condensation
Water；
The condensate line is connect with the condenser and second heat recovery boiler, condensed water is delivered to described
Second heat recovery boiler.
6. residual neat recovering system according to claim 5, which is characterized in that the residual neat recovering system further includes moisturizing branch
Road, the moisturizing branch are connect with the water station and the condensate line, described for the water in the water station to be supplemented to
In second heat recovery boiler.
7. residual neat recovering system according to claim 5, which is characterized in that the residual neat recovering system further includes condensed water
Case and hydraulic pipeline, the condensate tank are connect with the condensate line and the water station, come from the condensation for holding
The water of water lines and the water station；
The hydraulic pipeline is connect with the condensate tank and second heat recovery boiler, will be contained in the condensed water
Water in case is delivered in second heat recovery boiler.
8. residual neat recovering system according to claim 7, which is characterized in that the residual neat recovering system further includes deoxygenation
Device, the oxygen-eliminating device is arranged on the hydraulic pipeline, for removing the oxygen element in the condensed water for flowing through the hydraulic pipeline
It removes.
9. residual neat recovering system according to claim 8, which is characterized in that the residual neat recovering system further includes heat exchange
Device, the heat exchanger are arranged on the hydraulic pipeline, and are located at the upstream of the oxygen-eliminating device, for flowing through the water-supply-pipe
The condensed water on road is heated.
10. residual neat recovering system according to claim 9, which is characterized in that the residual neat recovering system further includes condensation
Water pump, water tank pump and feed pump, wherein the condensate pump is arranged on the condensate pipe road, is used for the condenser
The condensed water of formation pumps to second heat recovery boiler by the condensate line；
The water tank pump is arranged on the hydraulic pipeline, and between the condensate tank and the heat exchanger, being used for will
Water in the condensate tank pumps to the heat exchanger；
The feed pump is arranged on the hydraulic pipeline, and is located at the downstream of the oxygen-eliminating device, for that will pass through the deoxygenation
The water of device pumps to second heat recovery boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920204813.0U CN209689403U (en) | 2019-02-18 | 2019-02-18 | Residual neat recovering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920204813.0U CN209689403U (en) | 2019-02-18 | 2019-02-18 | Residual neat recovering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209689403U true CN209689403U (en) | 2019-11-26 |
Family
ID=68602004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920204813.0U Active CN209689403U (en) | 2019-02-18 | 2019-02-18 | Residual neat recovering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209689403U (en) |
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2019
- 2019-02-18 CN CN201920204813.0U patent/CN209689403U/en active Active
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