CN205897080U - Vapour water circle device and waste heat recovery utilize system - Google Patents
Vapour water circle device and waste heat recovery utilize system Download PDFInfo
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- CN205897080U CN205897080U CN201620720211.7U CN201620720211U CN205897080U CN 205897080 U CN205897080 U CN 205897080U CN 201620720211 U CN201620720211 U CN 201620720211U CN 205897080 U CN205897080 U CN 205897080U
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Abstract
The utility model discloses a water circle device, wherein, including steam pocket water -feeding pump, steam pocket, forced circulation pump and at least one evaporator assembly, every evaporator assembly includes at least one evaporimeter, the forced circulation pump with the admission port optionally intercommunication of evaporimeter, the admission port of steam pocket with steam pocket water -feeding pump optionally intercommunication, the downtake interface of steam pocket with forced circulation pump optionally intercommunication, the return water mouth of steam pocket and each among the evaporator assembly each the return water mouth optionally intercommunication of evaporimeter, the steam pocket can be received the steam -water mixture that the evaporator assembly heat exchange obtained, be provided with the steam delivery outlet on the steam pocket. The utility model also discloses a waste heat recovery utilizes the system. The utility model discloses a vapour water circle device can realize thermal make full use of.
Description
Technical field
This utility model is related to coking field of waste heat utilization, more particularly, to a kind of steam/water circulating device and include this soda pop and follow
The waste heat recycling system of loop device.
Background technology
With country to energy-saving and emission-reduction job requirement deepen continuously and coking coal resource in short supply, coal chemical enterprise all faces
Face puzzlement the problems such as coke production high cost is run, suffers great loss, thus it is abundant to coke-stove gas to have introduced coal chemical enterprise
Using the great attention reclaimed with coke chemicals and energy-saving and emission-reduction work.
In coking industry, from up to 650～800 DEG C of the raw gas temperature of coke furnace carbonization chamber effusion, the heat taken out of is about
Account for the 30～35% of coke oven heat supply heat.Purification for ease of operation below and process, common practice of the prior art is first
In bridge tube and discharge spray cycle ammonia and raw coke oven gas directly contact, gasify in a large number by cyclic ammonia water, so that raw coke oven gas is drastically dropped
Temperature delivers to recovery of chemical products workshop section to after 80～85 DEG C, but this technique causes a large amount of wastes of heat.
Utility model content
The purpose of this utility model is to provide a kind of steam/water circulating device and the waste heat of this steam/water circulating device of inclusion to return
Receipts utilize system, and this steam/water circulating device and waste heat recycling system can solve the problem that the waste of heat in prior art, realize
The making full use of of raw coke oven gas heat.
For achieving the above object, as one side of the present utility model, provide a kind of steam/water circulating device, wherein,
Including drum feed pump, drum, forced circulation pump and at least one vaporizer group, each described vaporizer group includes at least one
Vaporizer, the admission port of described forced circulation pump and described vaporizer selectively communicates with, the admission port of described drum with described
Drum feed pump selectively communicates with, and the decline interface tube of described drum and described forced circulation pump selectively communicate with, described
The water return outlet of each the described vaporizer in the water return outlet of drum and vaporizer group each described selectively communicates with, described drum
Water from described drum feed pump can be delivered to described vaporizer group by described forced circulation pump and carry out heat exchange and obtain
To steam water interface, and receive the described steam water interface that described vaporizer group obtains, described drum is provided with steam defeated
Outlet.
Preferably, described steam/water circulating device includes drum described at least two.
Preferably, described steam/water circulating device also includes steam output unit, and the steam outlet of each described drum is equal
Selectively communicate with described steam output unit, described steam water interface all can be carried out steam-water separation by each described drum
The steam obtaining afterwards is delivered to described steam output unit by respective steam outlet.
Preferably, described steam/water circulating device includes two described vaporizer groups, and each described vaporizer group includes multiple
Described vaporizer.
Preferably, described steam/water circulating device also includes drum feed main, multiple drum subfeeder, drum decline mother
Pipe, multiple drum down-comer and multiple first switch valve,
Each described drum corresponds to a described drum subfeeder, and each described drum subfeeder is provided with one
Described first switch valve, described drum subfeeder and described drum feedwater mother accordingly are passed through in the admission port of each described drum
Pipe connects, the outlet also with described drum feed pump for the described drum feed main；
Each described drum also correspond to a described drum down-comer, the decline interface tube of each described drum with corresponding
Described drum down-comer connection, multiple described drum down-comers all decline main pipe with described drum and connect, and described drum declines female
Pipe is also connected with the entrance of described forced circulation pump, and is provided with a described first switch on each described drum down-comer
Valve.
Preferably, described steam/water circulating device also includes evaporator feedwater main pipe, vaporizer backwater main pipe, multiple vaporizer
Feedwater distribution pipe, multiple evaporator feedwater pipe, multiple vaporizer return pipe, multiple vaporizer backwater distribution pipe, multiple drum return
Water arm, multiple first communicating pipe, multiple second communicating pipe and multiple second switch valve；
Each described vaporizer group corresponds to a described evaporator feedwater distribution pipe, corresponding one of each described vaporizer group
Described vaporizer backwater distribution pipe；
Each described vaporizer corresponds to a described evaporator feedwater pipe, each described evaporator feedwater distribution pipe corresponding one
Individual described first communicating pipe, and each described evaporator feedwater distribution pipe passes through described first communicating pipe and described evaporation accordingly
Device feed main connects, and each self-corresponding described vaporizer is passed through in the admission port of the described vaporizer in vaporizer group described in each group
Feed pipe is connected with corresponding described evaporator feedwater distribution pipe；
Each described vaporizer corresponds to a described vaporizer return pipe, each described vaporizer backwater distribution pipe corresponding one
Individual described second communicating pipe, and described vaporizer backwater distribution pipe passes through corresponding second communicating pipe and described vaporizer backwater mother
Pipe connects, the water return outlet of the described vaporizer in vaporizer group described in each group pass through each self-corresponding described vaporizer return pipe with
Described vaporizer backwater distribution pipe connection accordingly；
Described evaporator feedwater main pipe and the outlet of described forced circulation pump；
Each described drum corresponds to a described drum return branch, and the water return outlet of each described drum passes through corresponding institute
State drum return branch to connect with described vaporizer backwater main pipe；
Described vaporizer backwater main pipe is connected with the water return outlet of drum each described；
Each described evaporator feedwater pipe, each described vaporizer return pipe, each described first communicating pipe, described in each
It is provided with a described second switch valve in drum return branch and each described second communicating pipe.
Preferably, described steam/water circulating device includes two described drums.
As second aspect of the present utility model, provide a kind of waste heat recycling system, including steam/water circulating device
And water supply installation, described steam/water circulating device connects with described water supply installation, and described water supply installation can be described steam/water circulating
Device provides water, and wherein, described steam/water circulating device is previously described steam/water circulating device, and the air inlet of described vaporizer is used
In collecting gas, described water supply installation connects with the entrance of the drum feed pump in described steam/water circulating device.
Preferably, described waste heat recycling system also includes deaerating device, the water outlet of described deaerating device
Mouthful with the inlet selective of the described drum feed pump in described steam/water circulating device connect, the entering of described deaerating device
The mouth of a river is connected with described water supply installation.
Preferably, described deaerating device includes deaerated feedwater pump, oxygen-eliminating device, deaerated feedwater pipe and deoxygenation water pipe, institute
State and between deaerated feedwater pump and described oxygen-eliminating device, pass through described deaerated feedwater pipe connection, described oxygen-eliminating device is by described deoxygenation water pipe
Connect the entrance of the drum feed pump to described steam/water circulating device.
Preferably, described water supply installation also includes sweet-water tank and desalination water pipe, and described sweet-water tank passes through described desalination
Water pipe is connected with the described deaerated feedwater pump in described deaerating device.
The steam/water circulating device that this utility model provides is used in combination by drum and vaporizer group, and the water in drum is existed
Realize heat exchange in vaporizer group and obtain steam water interface, drum is realized the separation to soda pop and passed through the steam outlet on drum
Obtain steam, the heat waste of coal oven dithio-gas can be solved the problems, such as it is achieved that the making full use of of raw coke oven gas heat.This practicality is new
The waste heat recycling system that type provides passes through to arrange the steam/water circulating device connecting with water supply installation so that collecting in vaporizer
Gas and the water that provides of water supply installation there is heat exchange in steam/water circulating device after carry out steam-water separation and obtain steam, gained
Steam can directly feed steam user and use or for generating etc., and water continues cycling through use, this heat recovery
System achieves and waste heat is made full use of, and equipment is simple, easy to maintenance.
Brief description
Accompanying drawing is used to provide and further understands to of the present utility model, and constitutes a part for description, and following
Specific embodiment be used for together explaining this utility model, but do not constitute to restriction of the present utility model.In the accompanying drawings:
Fig. 1 is a kind of structural representation of steam/water circulating device of the present utility model；
Fig. 2 is the first specific embodiment structural representation of a kind of steam/water circulating device of the present utility model；
Fig. 3 is a kind of second specific embodiment structural representation of steam/water circulating device of the present utility model；
Fig. 4 is the third specific embodiment structural representation of a kind of steam/water circulating device of the present utility model；
Fig. 5 is a kind of waste heat recycling system structural representation of the present utility model；
Fig. 6 is the first specific embodiment structural representation of a kind of waste heat recycling system of the present utility model；
Fig. 7 is a kind of second specific embodiment structural representation of waste heat recycling system of the present utility model.
1st, waste heat recycling system；10th, steam/water circulating device；101st, drum feed pump；102nd, drum；1021st, first
Drum；1022nd, the second drum；103rd, forced circulation pump；104th, vaporizer group；1041st, the first vaporizer group；1042nd, the second steaming
Send out device group；105th, steam output unit；11st, water supply installation；111st, sweet-water tank；112nd, desalination water pipe；12nd, deaerated feedwater dress
Put；201st, the admission port of drum；202nd, the decline interface tube of drum；203rd, the water return outlet of drum；204th, steam outlet；205、
The outlet of drum feed pump；206th, the entrance of forced circulation pump；207th, the outlet of forced circulation pump；208th, the going out of deaerated feedwater pump
The mouth of a river；209th, the entrance of drum feed pump；210th, the water inlet of deaerated feedwater pump；301st, the admission port of vaporizer；302nd, evaporate
The water return outlet of device；303rd, the air inlet of vaporizer；304th, the gas outlet of vaporizer；401st, drum feed main；402nd, drum is given
Water arm；403rd, drum declines main pipe；404th, drum down-comer；405th, first switch valve；501st, evaporator feedwater main pipe；502、
Vaporizer backwater main pipe；503rd, evaporator feedwater distribution pipe；504th, evaporator feedwater pipe；505th, vaporizer return pipe；506th, steam
Send out device backwater distribution pipe；507th, the first communicating pipe；508th, the second communicating pipe；509th, second switch valve；510th, drum return branch；
601st, deaerated feedwater pump；602nd, oxygen-eliminating device；603rd, deaerated feedwater pipe；604th, deoxygenation water pipe；701st, steam output pipe；702nd, steam
Output arm.
Specific embodiment
Below in conjunction with accompanying drawing, specific embodiment of the present utility model is described in detail.It should be appreciated that herein
Described specific embodiment is merely to illustrate and explains this utility model, is not limited to this utility model.
As one side of the present utility model, as shown in figure 1, a kind of steam/water circulating device 10 of offer, wherein, including
Drum feed pump 101, drum 102, forced circulation pump 103, and at least one vaporizer group 104, each vaporizer group 104 includes
At least one vaporizer, the admission port 301 of forced circulation pump 103 and described vaporizer selectively communicates with, the feedwater of drum 102
Mouth 201 is selectively communicated with drum feed pump 101, decline interface tube 202 and forced circulation pump 103 selectivity of described drum
Ground connection, the water return outlet 302 of each the described vaporizer in the water return outlet 203 of drum 102 and vaporizer group each described selects
Property ground connection, the water from drum feed pump 101 can be delivered to vaporizer group 104 by forced circulation pump 103 by drum 102
Carry out heat exchange and obtain steam water interface, and receive the described steam water interface that vaporizer group 104 obtains, drum 102 is arranged
There is steam outlet 204.
The steam/water circulating device that this utility model provides, is used in combination by drum and vaporizer group, by the water in drum
Realize heat exchange and obtain steam water interface in vaporizer group, drum is realized the separation to soda pop and passed through the steam output on drum
Mouthful obtain steam, the heat waste of coal oven dithio-gas can be solved the problems, such as it is achieved that the making full use of of raw coke oven gas heat.
Specifically, the water in drum feed pump 101 enters in drum 102 through the admission port 201 of drum, with drum
Enter in forced circulation pump 103 by the decline interface tube 202 of drum after water mixing in 102, mixed water is being forced to follow
Ring pump 103 applies to be delivered in vaporizer group 104 under pressure and carries out heat exchange and obtain steam water interface, and described steam water interface leads to
The water return outlet 203 of the water return outlet 302 of each described vaporizer of pervaporation device group 104 and drum 102 enters into drum 102
In, described steam water interface can also be carried out steam-water separation and obtain steam by drum 102, and drum 102 is provided with steam output
Mouth 204, described steam is exported by drum 102 by steam outlet 204.It is understood that as shown in Fig. 2 drum 102 wraps
Include at least individual drum, shown in Fig. 2 taking two drums as a example, the first drum 1021 and the second drum 1022, each described drum
With the mode of communicating all same of drum feed pump 101, forced circulation pump 103 and vaporizer group 104, so can ensure that ought be wherein
When one described drum goes wrong or needs annual test, remaining drum works on, and disclosure satisfy that steam/water circulating device
Normal operation.
Preferably, deaerated water is usually by the water that drum feed pump 101 is transported in drum 102, stores up in advance in drum 102
Have saturation water, to described deaerated water entered in drum 102 by the admission port 201 of drum when, described deaerated water is full with described
Obtain mixing water with after water mixing, described mixing water enters into forced circulation pump 103 through the decline interface tube 202 of drum, by force
After circulating pump 103 pressurization processed, described mixing water is delivered in the vaporizer of vaporizer group 104, described mixing water is in described evaporation
Carry out heat exchange in device, define steam water interface after described mixing water heat absorption, described steam water interface is in forced circulation pump 103
Additionaling power and steam/water circulating device 10 exist in itself in the presence of density contrast by water return outlet 302 and the vapour of vaporizer
The water return outlet 203 of bag enters in drum 102.Drum 102 also has steam-water separation function, can separate described steam water interface
Cheng Shui and steam, the described deaerated water that the water separated continues to come in the admission port 201 of drum is mixed into the next one
In circulation, described steam is transferred out by steam outlet 204.
Preferably, in order to balance cost and work efficiency, steam/water circulating device 10 includes two drums, as shown in Fig. 2 point
Wei not the first drum 1021 and the second drum 1022.Generally select two drums can meet the normal fortune of steam/water circulating device
OK, when one of them goes wrong or needs annual test, another drum works independently and still can meet operation demand.
Steam water interface in order to ensure to obtain in described steam/water circulating device is effectively utilized, as a kind of concrete
Ground embodiment, as shown in figure 3, described steam/water circulating device also includes steam output unit 105, the steam of each described drum
Delivery outlet 204 is all selectively communicated with steam output unit 105, and described steam water interface all can be entered by each described drum
The steam obtaining after row steam-water separation is delivered to steam output unit 105 by respective steam outlet 204.Preferably, when
When drum 102 includes the first drum 1021 and the second drum 1022, the steam outlet 204 of two described drums is all defeated with steam
Go out unit 105 to selectively communicate with, described steam water interface all can be carried out obtaining after steam-water separation by two described drums
Steam is delivered to steam output unit 105 by the steam outlet 204 of two described drums.
Preferably, described steam water interface is separated into water and steam by drum 102, described water continue with previously described
Deaerated water is mixed in next circulation, and described steam is then transported to steam output by the steam outlet 204 of drum
Unit 105, the described steam of steam output unit 105 output can be in the steam pipe system being incorporated into the external world, to meet steam
Technique heating in the demand of user, such as some industrial circles, power applications etc..
Preferably, there is storage water and steam-water separation function, so accordingly, drum 102 by drum 102 is described above
Inside it is provided with water storage device and water separator.When one steam/water circulating device 10 includes two described drums, so that
One described drum disclosure satisfy that the normal operation of whole steam/water circulating device, generally in the volume calculations to drum, needs
Take into full account surplus coefficiert so that the moisture storage capacity of the water storage device of a described drum disclosure satisfy that whole steam/water circulating device
Normal operation demand.In addition, in order to improve the thermal efficiency of steam/water circulating device and the quality of steam, described drum is generally selected
The water separator of heavy duty detergent carries out steam-water separation to described steam water interface.
It should be noted that the flow of forced circulation pump 103 can determine according to steam/water circulating multiplying power, this steam/water circulating
Multiplying power is usually empirical value, needs when choosing circulating ratio to take into full account the feature that steam/water circulating device 10 runs, and is ensureing
Heat absorption rate can fully be improved on the premise of steam/water circulating device 10 stable operation.
When vaporizer group 104 needs repairing or overhauls, in order to not affect the normal operation of system, as one kind specifically
Embodiment, steam/water circulating device 10 includes two described vaporizer groups, as shown in figure 4, the respectively first vaporizer group 1041
With the second vaporizer group 1042, each described vaporizer group includes multiple described vaporizers.So, when one of vaporizer group
When breaking down, another vaporizer group can continue normal work, the normal demand run of the system that disclosure satisfy that, in addition increases
Vaporizer group can also improve the efficiency of heat exchange.
It is understood that the species of vaporizer has multiple it is preferable that rising pipe evaporator is in steam/water circulating device
The more commonly used one kind.Described below vaporizer all illustrates taking described rising pipe evaporator as a example.
Specifically, each rise pipe evaporator group can include multiple rising pipe evaporators it is contemplated that work efficiency and
The factor of cost, each rises pipe evaporator group and preferably can include 5 rising pipe evaporators.
It should be noted that after in coke oven, coke-stove gas out enters into rising pipe evaporator, due to coke-stove gas
In containing the composition such as substantial amounts of coal tar, when temperature is less than 500 degree, easily causes and rise the inwall of pipe evaporator coking occurs
Phenomenon, so then can lead to rise pipe evaporator blocking the problems such as occur.Further, since the temperature of coke-stove gas is higher,
The problems such as high temperature impact makes rising pipe evaporator easily deformation for a long time, therefore, rising described in the utility model
Pipe evaporator is made from high temperature resistant, corrosion resistance material, is had using the described rising pipe evaporator that this material is made
Thermal deformation resistant, the few coking of inwall of rising pipe evaporator or even the advantage of noncoking.In addition, the steam/water circulating in this utility model
Device 10, when including a described drum and a described vaporizer group, breaks down in drum or needs to carry out annual test
When, make because rising pipe evaporator employs this high temperature resistant, corrosion resistance material, this rising pipe evaporator is acceptable
Depart from heat-exchange system, run for a long time under dry-fire condition.Therefore, by using this high temperature resistant, corrosion resistance material
Make rising pipe evaporator, the work that can efficiently reduce work personnel on the basis of not affecting the continuous operation of coke oven is strong
, even if extreme special circumstances, such as situation when system malfunctions are out of service or in only one of which drum in degree
When lower needs overhaul to this drum, still continue to run with so that rising pipe evaporator detachment system.
The structural representation in figure of steam/water circulating device 10 as shown in Figure 7, including the first drum 1021 and the second drum
1022, the first vaporizer group 1041 and the second vaporizer group 1042 and drum feed pump 101, forced circulation pump 103 and steam
Output unit 105, drum is to wrap taking described rising pipe evaporator as a example for the vaporizer included by vaporizer group shown in Fig. 7
As a example including two drums.So that the first drum 1021 and the second drum 1022 can be with drum feed pump 101, the first drums
Can realize effectively connecting with forced circulation pump 103 with the second drum 1022, as another kind specifically embodiment, such as scheme
Shown in 7, steam/water circulating device 10 also includes drum feed main 401, multiple drum subfeeder 402, drum decline main pipe
403rd, multiple drum down-comers 404 and multiple first switch valve 405.
Wherein, each described drum corresponds to a drum subfeeder 402, and each drum subfeeder 402 is provided with
One described first switch valve 405, corresponding drum subfeeder 402 and drum feedwater are passed through in the admission port 201 of each drum
Main pipe 401 connects, and drum feed main 401 is also connected with the outlet 205 of drum feed pump.
Each described drum also corresponds to a drum down-comer 404, the decline interface tube 202 of each drum and corresponding vapour
Bag down-comer 404 connects, multiple drum down-comers 404 all with drum decline main pipe 403 connect, drum decline main pipe 403 also with
The entrance 206 of forced circulation pump connects, and is provided with a first switch valve 405 on each drum down-comer 404.
Specifically, as shown in fig. 7, the water in described drum is entering the described main conduit line bag rising before pipe evaporator
Include and be arranged between described drum and drum feed pump 101 and between described drum and forced circulation pump 103, with one of
As a example described drum such as the first drum 1021, the pipeline directly being connected with the admission port 201 of the first drum 1021 is fed water for drum
Arm 402, the pipeline directly connecting with the outlet 202 of the first drum 1022 is drum down-comer 404, drum subfeeder
402 are connected with the outlet 205 of drum feed pump by drum feed main 401, and drum down-comer 404 declines main pipe by drum
403 are connected with the entrance 206 of forced circulation pump, be provided with first and open on drum subfeeder 402 and drum down-comer 404
Close valve 405, first switch valve 405 can be by the break-make of on-off control drum subfeeder 402 and drum down-comer 404, can
To be understood by, the pipeline according to first switch valve 405 setting is different, therefore, is arranged on first on drum subfeeder 402
Switch valve 405 is referred to as drum feed pipe switch valve, and the first switch valve 405 being arranged on drum down-comer 404 also may be used
To be referred to as drum down-comer switch valve.When the first drum 1021 breaks down, can be by turning off drum subfeeder 402 He
First switch valve 405 on drum down-comer 404 realizes replacing or maintenance to the first drum 1021.
So that the first drum 1021 and the second drum 1022 and the first vaporizer group 1041 and the second vaporizer group
1042nd, forced circulation pump 103 is connected effectively with the realization of the first vaporizer group 1041 and the second vaporizer group 1042, as again
One kind specifically embodiment, as shown in fig. 7, steam/water circulating device 10 also includes evaporator feedwater main pipe 501, vaporizer backwater
Main pipe 502, multiple evaporator feedwater distribution pipe 503, multiple evaporator feedwater pipe 504, multiple vaporizer return pipe 505, multiple
Vaporizer backwater distribution pipe 506, multiple first communicating pipe 507, multiple second communicating pipe 508, multiple drum return branch 510 and
Multiple second switch valves 509.
Wherein, each described vaporizer group corresponds to an evaporator feedwater distribution pipe 503, and each described vaporizer group corresponds to
One vaporizer backwater distribution pipe 506.
Each described vaporizer (i.e. rising pipe evaporator shown in Fig. 7) corresponds to an evaporator feedwater pipe 504, each
Evaporator feedwater distribution pipe 503 corresponds to first communicating pipe 507, and each evaporator feedwater distribution pipe 503 is passed through accordingly
First communicating pipe 507 was connected with evaporator feedwater main pipe 501, the admission port of the described vaporizer in vaporizer group described in each group
301 are connected with corresponding evaporator feedwater distribution pipe 503 by each self-corresponding evaporator feedwater pipe 504.
It is understood that the first communicating pipe 507 can also be a part for evaporator feedwater main pipe 501.
Each described vaporizer (i.e. rising pipe evaporator shown in Fig. 7) corresponds to a vaporizer return pipe 505, each steaming
Send out device backwater distribution pipe 506 and correspond to second communicating pipe 508, and vaporizer backwater distribution pipe 505 passes through corresponding second even
Siphunculus 508 is connected with vaporizer backwater main pipe 502, and the water return outlet 302 of the described vaporizer in vaporizer group described in each group passes through
Each self-corresponding vaporizer return pipe 505 is connected with corresponding vaporizer backwater distribution pipe 506.
Evaporator feedwater main pipe 501 is connected with the outlet 207 of forced circulation pump；
Each described drum corresponds to a drum return branch 510, and the water return outlet 203 of each described drum passes through accordingly
Drum return branch 510 is connected with vaporizer backwater main pipe 502；
Each drum return branch 510, each evaporator feedwater pipe 504, each vaporizer return pipe 505, each first
It is provided with a second switch valve 509 on communicating pipe 507 and each second communicating pipe 508.
Specifically, the water in described drum enters the described main pipe rising after pipe evaporator through forced circulation pump 103
Road includes being arranged between forced circulation pump 103 and described rising pipe evaporator and described rising pipe evaporator and described drum
Between, as shown in fig. 7, including as a example 5 described rising pipe evaporators by one of which rising pipe evaporator group, every with this group
The pipeline that the admission port 301 of one described rising pipe evaporator directly connects is evaporator feedwater pipe 504, this rising pipe evaporator
5 evaporator feedwater pipes 504 in group are all connected with an evaporator feedwater distribution pipe 503, and evaporator feedwater distribution pipe 503 is led to
Connect with evaporator feedwater main pipe 501 after the first communicating pipe 507, the outlet 207 of forced circulation pump also with evaporator feedwater main pipe
501 connections；The pipeline directly connecting with each of this rising pipe evaporator group described water return outlet 302 rising pipe evaporator
For vaporizer return pipe 505,5 vaporizer return pipes 505 in this rising pipe evaporator group are all divided with a vaporizer backwater
Pipe arrangement 506 connects, vaporizer backwater distribution pipe 506 by connecting with vaporizer backwater main pipe 502 the second communicating pipe 508, each
Described drum also corresponds to a drum return branch 510, and the pipeline directly connecting with the water return outlet 203 of each drum is drum
Return branch 510, each drum return branch 510 is all connected with vaporizer backwater main pipe 502.
It is understood that the second communicating pipe 508 can also be a part for vaporizer backwater main pipe 502.
Each drum return branch 510, each evaporator feedwater pipe 504, each vaporizer return pipe 505, each
It is provided with a second switch valve 509, second switch valve 509 can be controlled on a connecting pipe 507 and each second communicating pipe 508
Make the break-make of described place pipeline.It is understood that the pipeline according to set by second switch valve 509, it is arranged on drum and returns
Second switch valve 509 on water arm 510 is referred to as drum backwater switch valve, is arranged on evaporator feedwater pipe 504
Second switch valve 509 is referred to as evaporator feedwater valve, is arranged on the second switch valve 509 on vaporizer return pipe 505
It is properly termed as vaporizer back-water valve (BWV), the second switch valve 509 being arranged on the first communicating pipe 507 is referred to as evaporator feedwater
Distribution regulating valve, the second switch valve 509 being arranged on the second communicating pipe 508 is referred to as vaporizer backwater distribution switch
Valve.
It should be noted that water return outlet 302 set location of the admission port 301 of each vaporizer in Fig. 7 and vaporizer
All the same, only rise at one in Fig. 7 and illustrate the admission port 301 of vaporizer and the water return outlet 302 of vaporizer on pipe evaporator
Position.
It is understood that can also arrange in the described vaporizer backwater main pipe that pipe evaporator connects with described rising
A kind of venting valve, when there is gas in described soda pop water return pipeline, because the pressure of gas can affect water from described rising
Pipe evaporator flows to described drum, so by arranging described venting valve so that water is in described vaporizer backwater main pipe
Smoothly circulate.
In addition, declining in previously described drum regulating valve all can be arranged in main pipe 403 and evaporator feedwater main pipe 504
Door, can avoid described rising pipe evaporator when carrying out heat exchange because pressure imbalance is led by arranging described control valve
Each is caused to rise the uneven generation that soda pop trapping phenomena even occurs of the heat absorption of pipe evaporator.Described control valve can be adopted
With manual modulation valve or automatic regulating valve etc..
It should be noted that as shown in fig. 7, each described drum also includes steam outlet 204, each described drum pair
Answer a steam output arm 702, each steam outlet 204 directly exports arm 702 with corresponding steam and connects, each steaming
Vapour output arm 702 is all communicated to steam output pipe 701, and steam output pipe 701 is also connected with steam output unit 105, every
It is provided with a second switch valve 509 on individual steam output arm 702.It is understood that being arranged on steam output arm 702
On second switch valve 509 be referred to as steam output switch valve.
It should be appreciated that in each pipeline in steam/water circulating device 10, multiple valves can also be increased as needed
Door, to facilitate the control to described pipeline.
The steam/water circulating device that this utility model provides, is used in combination by drum and vaporizer group, by the water in drum
Realize heat exchange and obtain steam water interface in vaporizer group, drum is realized the separation to soda pop and passed through the steam output on drum
Mouthful obtain steam, the heat waste of coal oven dithio-gas can be solved the problems, such as it is achieved that the making full use of of raw coke oven gas heat.This practicality
The steam/water circulating device of new offer is used in parallel also by arranging multiple drums, and is provided with the pipeline connecting with drum
Switch valve is controlled so that wherein a certain drum, in periodic inspection or maintenance, can cut off this to the water of turnover drum
Drum and the contacting of miscellaneous equipment in steam/water circulating device, maintenance operation safety and do not affect the normal fortune of steam/water circulating device
OK.In addition vaporizer group is divided into two groups, when the vaporizer in one of which vaporizer group needs to be keeped in repair or overhaul, with
Sample can cut off the connection of the miscellaneous equipment in the vaporizer group and steam/water circulating device of this maintenance by the valve in control piper
System, does not affect the normal operation of steam/water circulating device.
As second aspect of the present utility model, as shown in figure 5, providing a kind of waste heat recycling system 1, including vapour
Water circle device 10 and water supply installation 11, steam/water circulating device 10 connects with water supply installation 11, and water supply installation 11 can be soda pop
Circulating device 10 provides water, and wherein, steam/water circulating device 10 is previously described steam/water circulating device 10, the entering of described vaporizer
QI KOU 303 (as shown in Figure 7) is used for collecting gas, the drum feed pump 101 in water supply installation 11 and steam/water circulating device 10
Entrance connects.
The waste heat recycling system that this utility model provides, by arranging the steam/water circulating dress connecting with water supply installation
Put so that the water of the gas of collection and water supply installation offer carries out vapour after there is heat exchange in steam/water circulating device in vaporizer
Water separates and obtains steam, and gained steam can directly feed steam user and use or for generating etc., and water continues cycling through and makes
With this waste heat recycling system achieves and waste heat is made full use of, and equipment is simple, easy to maintenance.
Specifically, in conjunction with shown in Fig. 7, water is delivered to the drum feed pump in steam/water circulating device 10 by water supply installation 11
101, drum feed pump 101 water is delivered in described drum again.Constantly will because steam/water circulating device 10 passes through heat exchange
Water consumption, so water supply installation 11 needs constantly to supplement water to steam/water circulating device 10, delivers water into steam/water circulating device
In 10.
In addition, the air inlet of described vaporizer is generally connected with coke oven, collect, to facilitate, the gas producing in coke oven, preferably
For coal oven dithio-gas.The coal oven dithio-gas temperature collected in described vaporizer is generally very high, is passing through and is entering into described evaporation
Water in device cools down after carrying out heat exchange.It is understood that described vaporizer also includes the gas outlet 304 of vaporizer,
Coal oven dithio-gas after cooling are exported by the gas outlet 304 of described vaporizer.Connect with the gas outlet 304 of described vaporizer
Can be tee T and bridge tube, be communicated to discharge after bridge tube, so cold by gas outlet 304 output of described vaporizer
But the raw coke oven gas after enters in described discharge by described bridge tube, may finally use as some industrial chemicals etc..
It should be noted that gas outlet 304 set location of the air inlet 303 of each vaporizer in Fig. 7 and vaporizer
All the same, only rise at one in Fig. 7 and illustrate the air inlet 303 of vaporizer and the gas outlet 304 of vaporizer on pipe evaporator
Position.
As one kind specifically embodiment, when in the water that water supply installation 11 provides containing oxygen, in order to remove in water
Oxygen, as shown in Figure 6 and Figure 7, waste heat recycling system 1 also includes deaerating device 12, deaerating device 12
The entrance 209 of the described drum feed pump in the outlet 208 of deaerated feedwater pump and steam/water circulating device 10 selectively communicates with,
In deaerating device 12, the water inlet 210 of deaerated feedwater pump is connected with water supply installation 11.
Specifically, as shown in fig. 7, deaerating device 12 includes deaerated feedwater pump 601, oxygen-eliminating device 602, deaerated feedwater pipe
603 and deoxygenation water pipe 604, connected by deaerated feedwater pipe 603 between deaerated feedwater pump 604 and oxygen-eliminating device 602, oxygen-eliminating device 602
Connect the entrance 209 of the drum feed pump to steam/water circulating device 10 by deoxygenation water pipe 604.
Preferably, oxygen-eliminating device 602 can take various forms, for example thermal deaerator, chemistry (dosing) oxygen-eliminating device, parsing
Oxygen-eliminating device and vacuum dust cather etc..The selection standard of described oxygen-eliminating device is it suffices that relevant specification of country and user are to steam product
The requirement of matter.It is further preferred that the deaerating effect of described thermal deaerator is preferable.
It should be noted that for the waste reducing water resource, deaerated feedwater pump 601 and previously described drum feed pump
It is provided with recirculating line in 101.The setting of recirculating line can also be in waste heat recycling system in underrun
When adjustment deaerated feedwater pump and drum feed pump uninterrupted.
Preferably, in order to save electricity charge reduces cost, deaerated feedwater pump 601 and previously described drum feed pump 101 with
And forced circulation pump 103 can adopt variable frequency pump, the motor of described variable frequency pump can adapt to described waste heat recycling system
Load variations.
It should be appreciated that in a described waste heat recycling system, deaerated feedwater pump 601, drum feed pump 101
Number of units setting with forced circulation pump 103 may each be 1,2 or multiple stage, with specific reference to waste heat recycling system 1
Flow process and integral arrangement are determining.
Specifically, the make-up water in waste heat recycling system 1 should be demineralized water or softened water, in order to store and convey
Make-up water needed for steam/water circulating device, as shown in fig. 7, water supply installation 11 also includes sweet-water tank 111 and desalination water pipe 112,
Sweet-water tank 111 is connected with the deaerated feedwater pump 601 in deaerating device 12 by desalination water pipe 112, and sweet-water tank 111 is used
In storage demineralized water.
Preferably, the demineralized water from plant area's desalted water station or desalination grid is transported to described sweet-water tank and is stored up
Deposit.
It is understood that meet relevant specification of country and user to steam quality requirement on the premise of, acceptable
Demineralized water is substituted using soft water.
If it should be noted that the volume of the sweet-water tank 111 selected is sufficiently large, meeting waste heat recycling system
Under the buffer requirements of 1 moisturizing, can be selected according to the form of oxygen-eliminating device 602 to arrange less deoxygenation water tank or be not provided with deoxygenation
Water tank, equipment of so can saving is taken up space.
It is understood that in order to ensure that system safely and steadily runs, described waste heat recycling system can also wrap
Include some auxiliary device, be for example used for blowdown, promptly release water, sample, automatically control with the functions such as interlock protection some are auxiliary
Help device.
The waste heat recycling system that this utility model provides, by water supply installation, the demineralized water providing or softened water enter
Enter in steam/water circulating device, the coal oven dithio-gas collected with the vaporizer in steam/water circulating device are carried out output after heat exchange and steam
Vapour, the steam obtaining can be supplied to user directly using it is also possible to for generating etc., can also produce waste heat recycling system
Steam and coke dry quenching boiler institute producing steam together generated electricity by using QI invigorating condensing turbine, or by waste heat recovery
The steam being produced using system and other steam generating device institutes producing steam are generated electricity, jointly to improve heat integration rate.
The waste heat recycling system that this utility model provides, can also be using idle at existing coke oven end stand, a platform
The vacant room of room or end stand bottom is arranged, and so can make full use of existing place, saves land used, and system letter
Single, easy to maintenance.
It is understood that embodiment of above be merely to illustrate that principle of the present utility model and adopt exemplary
Embodiment, but this utility model is not limited thereto.For those skilled in the art, without departing from this
In the case of the spirit of utility model and essence, various modifications and improvement can be made, these modifications and improvement are also considered as this reality
With new protection domain.
Claims (11)
1. a kind of steam/water circulating device is it is characterised in that include drum feed pump, drum, forced circulation pump and at least one steaming
Send out device group, each described vaporizer group includes at least one vaporizer, the admission port of described forced circulation pump and described vaporizer
Selectively communicate with, the admission port of described drum is selectively communicated with described drum feed pump, and the down-comer of described drum connects
Mouth is selectively communicated with described forced circulation pump, described in each in the water return outlet of described drum and each described vaporizer group
The water return outlet of vaporizer selectively communicates with, and the water from described drum feed pump can be followed by described drum by described pressure
Ring pump is delivered to described vaporizer group to carry out heat exchange and obtains steam water interface, and receives the described vapour that described vaporizer group obtains
Aqueous mixtures, described drum is provided with steam outlet.
2. steam/water circulating device according to claim 1 is it is characterised in that described steam/water circulating device includes at least two
Described drum.
3. steam/water circulating device according to claim 1 and 2 is it is characterised in that described steam/water circulating device also includes steaming
Vapour output unit, the steam outlet of described drum is selectively communicated with described steam output unit, and described drum can be by
The steam that described steam water interface obtains after carrying out steam-water separation is delivered to described steam output by respective steam outlet
Unit.
4. steam/water circulating device according to claim 1 and 2 is it is characterised in that described steam/water circulating device includes two
Described vaporizer group, each described vaporizer group includes multiple described vaporizers.
5. steam/water circulating device according to claim 2 it is characterised in that described steam/water circulating device also include drum to
Jellyfish pipe, multiple drum subfeeder, drum decline main pipe, multiple drum down-comer and multiple first switch valve,
Each described drum corresponds to a described drum subfeeder, and each described drum subfeeder is provided with described in one
First switch valve, the admission port of each described drum is passed through described drum subfeeder and described drum feed main accordingly and is connected
Logical, the outlet also with described drum feed pump for the described drum feed main；
Each described drum also corresponds to a described drum down-comer, and the decline interface tube of each described drum is described with corresponding
Drum down-comer connects, and multiple described drum down-comers all decline main pipe with described drum and connect, and described drum declines main pipe also
Connect with the entrance of described forced circulation pump, and a described first switch valve is provided with each described drum down-comer.
6. steam/water circulating device according to claim 2 is it is characterised in that described steam/water circulating device also includes vaporizer
Feed main, vaporizer backwater main pipe, multiple evaporator feedwater distribution pipe, multiple evaporator feedwater pipe, multiple vaporizer backwater
Pipe, multiple vaporizer backwater distribution pipe, multiple drum return branch, multiple first communicating pipe, multiple second communicating pipe and multiple
Second switch valve；
Each described vaporizer group corresponds to a described evaporator feedwater distribution pipe, described in corresponding one of each described vaporizer group
Vaporizer backwater distribution pipe；
Each described vaporizer corresponds to a described evaporator feedwater pipe, and each described evaporator feedwater distribution pipe corresponds to an institute
Stated for the first communicating pipe, and each described evaporator feedwater distribution pipe is given by described first communicating pipe and described vaporizer accordingly
Jellyfish pipe connects, and each self-corresponding described evaporator feedwater is passed through in the admission port of the described vaporizer in vaporizer group described in each group
Pipe is connected with corresponding described evaporator feedwater distribution pipe；
Each described vaporizer corresponds to a described vaporizer return pipe, and each described vaporizer backwater distribution pipe corresponds to an institute
Stated for the second communicating pipe, and described vaporizer backwater distribution pipe is by corresponding second communicating pipe with described vaporizer backwater main pipe even
Logical, the water return outlet of the described vaporizer in vaporizer group described in each group pass through each self-corresponding described vaporizer return pipe with corresponding
The connection of described vaporizer backwater distribution pipe；
Described evaporator feedwater main pipe and the outlet of described forced circulation pump；
Each described drum corresponds to a described drum return branch, and the water return outlet of each described drum passes through described vapour accordingly
Bag return branch is connected with described vaporizer backwater main pipe；
Described vaporizer backwater main pipe is connected with the water return outlet of drum each described；
Each described evaporator feedwater pipe, each described vaporizer return pipe, each described first communicating pipe, each described drum
It is provided with a described second switch valve in return branch and each described second communicating pipe.
7. steam/water circulating device according to claim 2 is it is characterised in that described steam/water circulating device is included described in two
Drum.
8. a kind of waste heat recycling system, including steam/water circulating device and water supply installation, described steam/water circulating device and described
Water supply installation connects, and described water supply installation can provide water it is characterised in that described steam/water circulating for described steam/water circulating device
Device is the steam/water circulating device in claim 1-7 described in any one, and the air inlet of described vaporizer is used for collecting gas,
Described water supply installation connects with the entrance of the drum feed pump in described steam/water circulating device.
9. waste heat recycling system according to claim 8 is it is characterised in that described waste heat recycling system also wraps
Include deaerating device, the described drum feed pump in the outlet of described deaerating device and described steam/water circulating device
The connection of inlet selective ground, the water inlet of described deaerating device is connected with described water supply installation.
10. waste heat recycling system according to claim 9 is it is characterised in that described deaerating device includes removing
Oxygen feed pump, oxygen-eliminating device, deaerated feedwater pipe and deoxygenation water pipe, pass through described removing between described deaerated feedwater pump and described oxygen-eliminating device
Oxygen feed pipe connects, and described oxygen-eliminating device connects the drum feed pump to described steam/water circulating device by described deoxygenation water pipe
Entrance.
11. waste heat recycling systems according to claim 10 are it is characterised in that described water supply installation also includes desalination
Water tank and desalination water pipe, described sweet-water tank is by the described deaerated feedwater in described desalination water pipe and described deaerating device
Pump connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620720211.7U CN205897080U (en) | 2016-07-08 | 2016-07-08 | Vapour water circle device and waste heat recovery utilize system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620720211.7U CN205897080U (en) | 2016-07-08 | 2016-07-08 | Vapour water circle device and waste heat recovery utilize system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205897080U true CN205897080U (en) | 2017-01-18 |
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ID=57771002
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620720211.7U Active CN205897080U (en) | 2016-07-08 | 2016-07-08 | Vapour water circle device and waste heat recovery utilize system |
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| Country | Link |
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| CN (1) | CN205897080U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810933A (en) * | 2020-07-14 | 2020-10-23 | 浙江君华世野新能源设备有限公司 | Forced circulation evaporation system |
| CN112743740A (en) * | 2020-12-30 | 2021-05-04 | 杭州富阳东山塑料机械有限公司 | Porous air inlet and outlet foaming device and foaming method thereof |
-
2016
- 2016-07-08 CN CN201620720211.7U patent/CN205897080U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810933A (en) * | 2020-07-14 | 2020-10-23 | 浙江君华世野新能源设备有限公司 | Forced circulation evaporation system |
| CN112743740A (en) * | 2020-12-30 | 2021-05-04 | 杭州富阳东山塑料机械有限公司 | Porous air inlet and outlet foaming device and foaming method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
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Address after: Section thirteen economic and Technological Development Zone of Beijing City 31 street 100176 No. two School District No. 15 Building 5 layer 501 Patentee after: HUATAI YONGCHUANG (BEIJING) TECHNOLOGY Co.,Ltd. Address before: 101318, building 14, Rong Hui Garden, B District, Shunyi District Airport Industrial Park, Beijing Patentee before: BEIJING HUATAI COKING ENGINEERING CONSULTING Corp. |
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