CN206831555U - The generating equipment and coking system to be generated electricity using low-pressure saturated steam - Google Patents
The generating equipment and coking system to be generated electricity using low-pressure saturated steam Download PDFInfo
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- CN206831555U CN206831555U CN201720094172.9U CN201720094172U CN206831555U CN 206831555 U CN206831555 U CN 206831555U CN 201720094172 U CN201720094172 U CN 201720094172U CN 206831555 U CN206831555 U CN 206831555U
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Abstract
The utility model discloses a kind of generating equipment to be generated electricity using low-pressure saturated steam and a kind of coking system.Wherein generating equipment includes：Retracting device, retracting device are used to reclaim low-pressure saturated steam from industrial tail gas；Combustible gas source, combustible gas source are used to provide fuel gas；Combustion-supporting gas source, combustion-supporting gas source are used to provide combustion-supporting gas；Burner, burner connect with retracting device, combustible gas source and combustion-supporting gas source respectively, with mixed combustible gas body, combustion-supporting gas and low-pressure saturated steam, obtain primary mix；Burner is additionally operable to light primary mix, to generate combustion product；Wherein, the calorific value of combustion product is higher than the calorific value of low-pressure saturated steam；TRT, burner connect with TRT, to provide combustion product to TRT, to be generated electricity using combustion product.Generating equipment of the present utility model, it is possible to increase generating efficiency, the discharge of nitrogen oxides can be reduced.
Description
Technical field
It the utility model is related to technical field of waste heat utilization, and in particular to a kind of to utilize the industry for including low-pressure saturated steam
The generating equipment and a kind of coking system including the generating equipment that tail gas is generated electricity.
Background technology
In general, the substantial amounts of industrial tail gas for including low-pressure saturated steam is often produced in industrial production.But for
The a large amount of low-pressure saturated steams produced, unsuitable Land use systems so that the utilization rate of low-pressure saturated steam is extremely low, makes
Into the waste of resource.
For example, at home in coking field, traditional claus oven can produce low-pressure saturated steam, liquefied natural gas
(Liquefied Natural Gas, LNG) synthesizing section can also produce low-pressure saturated steam.But caused low pressure is satisfied
It is seldom with the purposes of steam, typically used after pressure and temperature reducing, high-grade steam uses after reducing taste, is satisfied using low pressure
Then generating efficiency is very low with the steam direct generation of electricity.
Therefore, how effectively to turn into this area technology urgently to be resolved hurrily using the industrial tail gas for including low-pressure saturated steam to ask
Topic.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art, it is proposed that one kind, which utilizes, to be included
The generating equipment and a kind of coking system including the generating equipment that the industrial tail gas of low-pressure saturated steam is generated electricity.
To achieve these goals, first aspect of the present utility model, there is provided one kind, which utilizes, includes low-pressure saturated steam
The generating equipment that is generated electricity of industrial tail gas, the generating equipment includes：
Retracting device, the retracting device are used to reclaim low-pressure saturated steam from industrial tail gas；
Combustible gas source, the combustible gas source are used to provide fuel gas；
Combustion-supporting gas source, the combustion-supporting gas source are used to provide combustion-supporting gas；
Burner, the burner respectively with the retracting device, the combustible gas source and the combustion-supporting gas
Source connects, and to mix the fuel gas, the combustion-supporting gas and the low-pressure saturated steam, obtains primary mix；
The burner is additionally operable to light the primary mix, to generate combustion product；Wherein, the combustion product
Calorific value be higher than the low-pressure saturated steam calorific value；
TRT, the burner connect with the TRT, to provide the burning to the TRT
Product, to be generated electricity using the combustion product.
Preferably, the TRT includes steam turbine and generator, and the steam turbine is connected with the generator, described
Combustion product can promote the steam turbine to rotate, to drive the generator.
Preferably, the generating equipment also includes the processing dress being connected between the retracting device and the burner
Put；
The processing unit be used for receive and handle the fuel gas, with cause the air pressure of the fuel gas with it is described
The air pressure of low-pressure saturated steam is consistent, wherein the air pressure of the low-pressure saturated steam is 1.5-2.5MPa；
The processing unit is additionally operable to the fuel gas after processing introducing the burner.
Preferably, the generating equipment also includes condensing unit, and the condensing unit connects with the TRT, described
Condensing unit can carry out condensation process to exhaust steam caused by the TRT；And/or
The generating equipment also includes flash distillation plant, and the flash distillation plant connects with the TRT, the flash distillation dress
Flash distillation process can be carried out to exhaust steam caused by the TRT by putting.
Second aspect of the present utility model, there is provided a kind of coking system, the coking system include coking UTILIZATION OF VESIDUAL HEAT IN
Equipment and generating equipment, the generating equipment include the generating equipment described in above-mentioned any one, wherein, the coking waste heat profit
Connected with equipment with the retracting device, to provide the industrial tail gas to the retracting device.
Preferably, when the generating equipment includes condensing unit, the condensing unit also with the coking UTILIZATION OF VESIDUAL HEAT IN
Equipment connects, to provide condensed water to the coking waste heat utilization equipment；And/or
When the generating equipment includes flash distillation plant, the flash distillation plant also connects with supplying heat source, with to the heat supply
Source provides hot water.
Generating equipment of the present utility model, using by fuel gas, combustion-supporting gas and low-pressure saturated steam mixed combustion, meeting
The calorific value of low-pressure saturated steam is improved, when being generated electricity using the combustion product including the low-pressure saturated steam, can be carried significantly
High generation efficiency, can be with effectively save resource, simultaneously, additionally it is possible to reduce the discharge of nitrogen oxides, environmental protection.
Coking system of the present utility model, using the generating equipment of said structure, coking UTILIZATION OF VESIDUAL HEAT IN can be made full use of
Equipment caused low-pressure saturated steam in technique productions are carried out.Using fuel gas and low-pressure saturated steam mixed combustion,
To improve the calorific value of low-pressure saturated steam, in the mixed vapour of generation, calorific value is higher, it is possible to increase generating efficiency, economize on resources,
Simultaneously, additionally it is possible to reduce the discharge of nitrogen oxides, effective environmental protection.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and a part for constitution instruction, and following
Embodiment be used to explain the utility model together, but do not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the process flow diagram of electricity-generating method in the embodiment of the utility model one；
Fig. 2 is the structural representation of generating equipment in the embodiment of the utility model one.
Description of reference numerals
100：Generating equipment；
110：Retracting device；
120：Combustible gas source；
130：Burner；
140：TRT；
150：Combustion-supporting gas source；
160：Processing unit；
170：Condensing unit；
180：Flash distillation plant；
A：Fuel gas；
B：Combustion-supporting gas
C：Low-pressure saturated steam；
D：Condensed water.
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
Inventor has found, in coking field, can produce substantial amounts of low-pressure saturated steam.For example, in the LNG of coking process
In workshop section, the low-pressure saturated steam of surplus can be produced, for another example industrial tail gas caused by claus oven is also including substantial amounts of low
Press saturated vapor.Specifically, for example, claus oven can produce 2MPa low-pressure saturated steams (assuming that producing 50 tons), 2MPa is low
The temperature for pressing saturated vapor is usually 200 DEG C or more, has higher calorific value.The side of traditional use low-pressure saturated steam
Method is：(being typically depressurized to 0.4-0.8MPa uses) is used for other workshop sections after pressure and temperature reducing, still, used in other workshop sections
It is only seldom a part of, for example, only 20 tons.It will be apparent that also substantial amounts of low-pressure saturated steam is not utilized effectively,
Therefore, inventor propose it is following improve, the problem of to overcome low-pressure saturated steam surplus.
With reference to figure 1, for a kind of method S100 to be generated electricity using the industrial tail gas including low-pressure saturated steam.Wherein should
Method includes：
S110, low-pressure saturated steam is obtained from industrial tail gas.
It should be noted that in this step, low-pressure saturated steam is obtained from industrial tail gas, specifically, can be from
Low-pressure saturated steam is obtained in same industrial tail gas, or from two kinds or more of different industrial tail gas, respectively
Obtain low-pressure saturated steam.
Preferably, in actual industrial production, above-mentioned industrial tail gas can include liquefied natural gas (Liquefied
Natural Gas, LNG) low-pressure saturated steam caused by synthesizing section, caused low pressure in pyrogenetic reaction can also be included
Saturated vapor, for example, in coking field, low-pressure saturated steam etc. can also be produced in the industrial tail gas of claus oven.
S120, provide fuel gas and combustion-supporting gas.
In this step, the specific species of fuel gas does not define, in order to improve generating efficiency, for example, can
Combustion gas body can be coke-stove gas, and due to the universal production capacity surplus in coke-oven plant, substantial amounts of coke-stove gas cannot be utilized sufficiently, because
This, coke-oven plant's production capacity surplus can also be solved the problems, such as by being generated electricity using coke-stove gas, combustion-supporting gas and low-pressure saturated steam so that
Realize more preferable economic benefit in traditional coke-oven plant.When coke-stove gas, fuel gas and low-pressure saturated steam mixed combustion, combustion
Higher calorific value can be had by burning in reacted combustion product, have higher kinetic energy, and being generated electricity using the combustion product can be big
It is big to improve generating efficiency, it can further improve the economic benefit of coke-oven plant.
Further, above-mentioned fuel gas can also be any one in liquefied petroleum gas, water-gas, gas and biogas
Or its combination.
Explanation is needed further exist for, fuel gas, combustion-supporting gas and low-pressure saturated steam are mixed, can when lighting
Combustion gas body can burn more abundant.On the one hand, in combustion product, carbon eventually exists in the form of carbon dioxide, subtracts
The environmental pollution that the toxic gases such as carbon monoxide are brought is lacked.On the other hand, when fuel gas fully burns, can discharge big
The heat of amount so that the calorific value of the fuel gas is transferred in low-pressure saturated steam and other combustion products, it is possible to increase hair
Electrical efficiency.
It should also be noted that, do not defined for the specific composition of combustion-supporting gas, it is for instance possible to use empty
Gas, pure oxygen, high pure oxygen and ultrapure oxygen etc..In this embodiment, it is preferred that pure oxygen can be used, using pure oxygen as combustion-supporting gas
Body, because pure oxygen is free of or containing few nitrogen, therefore be not in nitrogen oxides in combustion product, can further subtract
Few environmental pollution.
Specifically, the specific technical requirements on pure oxygen, high pure oxygen and ultrapure oxygen may be referred to standard GB/T/T
14599-2008, therefore not to repeat here.
S130, mixed combustible gas body, combustion-supporting gas and low-pressure saturated steam, to obtain primary mix.
Preferably, step S130 can also further include：
Fuel gas is handled, make it that the air pressure of fuel gas is consistent with the air pressure of low-pressure saturated steam；Wherein,
The air pressure of low-pressure saturated steam is 1.5-2.5MPa；
Fuel gas, combustion-supporting gas and low-pressure saturated steam after mixed processing, to obtain primary mix.
In this step, fuel gas be processed so that in the step that its air pressure is consistent with low-pressure saturated steam,
It is for instance possible to use compressor is compressed to the fuel gas so that it meets the requirement of air pressure, can also use other pressures
Contracting equipment is handled the fuel gas.
In the present embodiment electricity-generating method, on the one hand, enable to the air pressure of fuel gas and the air pressure of low-pressure saturated steam
Unanimously, after fuel gas is mixed with low-pressure saturated steam, the air pressure of low-pressure saturated steam will not be changed.On the other hand, may be used
The air pressure of combustion gas body is consistent with the air pressure of low-pressure saturated steam, is also easy to the fuel gas being passed into reception low-pressure saturated steam
Device in, in the apparatus to mix low-pressure saturated steam and fuel gas, to obtain primary mix.
It is to be further understood that in this step, though not yet explicitly being restricted for the air pressure of fuel gas, preferably may be used
The air pressure of combustion gas body is consistent with the air pressure of low-pressure saturated steam.
S140, primary mix is lighted, to generate combustion product, wherein, the calorific value of combustion product steams higher than low pressure saturation
The calorific value of vapour.
In this step, the mixture of fuel gas, combustion-supporting gas and low-pressure saturated steam is lighted, fuel gas can be sent out
Raw combustion reaction.Equally, illustrated by taking coke-stove gas as an example, coke-stove gas is hydrocarbon, occur combustion reaction with
Afterwards, the chemical substances such as carbon dioxide, water can be obtained.Herein it should be noted that low-pressure saturated steam is in the combustion reaction, and
The chemical reaction is not involved in, therefore combustion product should also include the low-pressure saturated steam.
S150, generated electricity using combustion product.
In this step, the combustion product can be sent into generating equipment, for example, steam turbine is sent into, the high heating value
Combustion product, has substantial amounts of kinetic energy, high velocity air (high velocity air that the movable vane piece fanging noz(zle) leaf coral on steam turbine projects
For combustion product, combustion product is the gaseous mixture for including carbon dioxide and low-pressure saturated steam etc.), can be the dynamic of combustion product
Mechanical energy can be converted into, rotates turbine rotor, the rotor of steam turbine can be connected by the rotor of shaft coupling and generator,
Generator amature can be driven to rotate, realize and generate electricity.
The electricity-generating method of the present embodiment, employ the superfluous fuel gas (for example, coke-stove gas) in coking field, combustion-supporting gas
Body and the low-pressure saturated steam of surplus are generated electricity, by fuel gas, combustion-supporting gas and low-pressure saturated steam mixed combustion
After, the calorific value of low-pressure saturated steam can be improved, can when being generated electricity using the combustion product including the low-pressure saturated steam
Generating efficiency is greatly improved, enables to the resource of surplus to convert to a greater degree, can be with effectively save resource, simultaneously, moreover it is possible to
Enough reduce the discharge of nitrogen oxides, environmental protection.
Preferably, above-mentioned electricity-generating method also includes：
S160, condensation process and/or flash distillation process are carried out to exhaust steam caused by utilizing combustion product to generate electricity to complete.
Specifically, for example, to exhaust steam carry out condensation process, condensate can recycle (for example, can return boiler to
Water).For incoagulable gas, flash distillation process can also be carried out, the hot water after flash distillation process may be used as the application scenarios such as heating,
Waste gas can be discharged directly.
The electricity-generating method of the present embodiment, it is cold after condensation process to exhaust steam progress subsequent condensation processing and flash distillation process
Condensate can be recycled, and the hot water after flash distillation process may be used as the occasions such as heating, therefore can further economize on resources,
Avoid the wasting of resources and environmental pollution.
It is of the present utility model a kind of to be generated electricity in a first aspect, being related to using the industrial tail gas including low-pressure saturated steam
Generating equipment 100.With reference to figure 2, wherein, the generating equipment 100 includes：
Retracting device 110, the retracting device 110 are used to reclaim low-pressure saturated steam C from industrial tail gas.
Specifically, the inside of the retracting device 110 can be provided with chamber (not showed that in figure), and exterior thereto is provided with
The air inlet and exhaust outlet connected with chamber interior, low-pressure saturated steam C are passed through in the chamber by air inlet.In addition, this time
Receiving apparatus 110 can also be only a pipeline, be used to accommodate low-pressure saturated steam C inside pipeline.Certainly, the retracting device
110 can also be other recovery structures.
Combustible gas source 120, the combustible gas source 120 are used to provide fuel gas A.
Combustion-supporting gas source 150, the combustion-supporting gas source 150 are used to provide combustion-supporting gas B.
Burner 130, the burner 130 respectively with retracting device 110, combustible gas source 120 and combustion-supporting gas source
150 connections, with mixed combustible gas body A, combustion-supporting gas B and low-pressure saturated steam C, obtain primary mix.
Specifically, the burner 130 can be provided with three or more air inlets (not showed that in figure) and at least one
Individual exhaust outlet (not showed that in figure), the exhaust outlet of above-mentioned retracting device 110 and one of air inlet of burner 130
Connection, to provide low-pressure saturated steam C to burner 130, one of them of combustible gas source 120 and burner 130 are entered
Gas port connects, and to provide fuel gas A to burner 130, one of them of combustion-supporting gas source 150 and burner 130 are entered
Gas port connects, to provide combustion-supporting gas B to burner 130, and in the internal mix fuel gas A of burner 130, combustion-supporting gas
Body B and low-pressure saturated steam C, obtain primary mix.
Above-mentioned burner 130 is additionally operable to light primary mix, to generate combustion product.Wherein, the heat of combustion product
Calorific value of the value higher than low-pressure saturated steam C.
TRT 140, above-mentioned burner 130 connect with the TRT 140, to be provided to the TRT 140
Combustion product, to be generated electricity using the combustion product.
Specifically, the TRT 140 can be provided with air inlet (not showed that in figure), above-mentioned burner 130
Exhaust outlet connects with the air inlet of TRT 140, to provide combustion product to TRT 140.
It should be noted that do not defined for the concrete structure of burner 130, for example, the burner
130 can be that a burner either one accommodates tank etc., and it should meet the conditions such as high temperature resistant and sealing.
Explanation is needed further exist for, is specifically connected for retracting device 110, burner 130 and TRT 140
Connect mode not defining, it is for instance possible to use pipeline is by the exhaust outlet of one of device and another device
Air inlet connection etc., it is closed between preferably each device and other devices to connect in order to prevent gas from leaking.
In the generating equipment 100 of the present embodiment structure, primary mix is mixed with combustion-supporting gas B, can when lighting
Combustion gas body A can burn more abundant.On the one hand, in combustion product, carbon eventually exists in the form of carbon dioxide, subtracts
The environmental pollution that the toxic gases such as carbon monoxide are brought is lacked.On the other hand, when fuel gas A fully burns, can discharge
Substantial amounts of heat so that fuel gas A calorific value is transferred in low-pressure saturated steam C and other combustion products, Neng Gouti
High generation efficiency.
Corresponding portion in first technical theme of the utility model is may refer to for the explanation of combustion-supporting gas B specific composition
The description divided, therefore not to repeat here.
The generating equipment 100 of the present embodiment structure, the superfluous fuel gas A in coking field is employed (for example, coke-oven coal
Gas), the low-pressure saturated steam C of combustion-supporting gas B and surplus generated electricity, by fuel gas A, combustion-supporting gas B and low pressure
After saturated vapor C mixed combustions, low-pressure saturated steam C calorific value can be improved, utilizes the burning for including low-pressure saturated steam C
When product is generated electricity, generating efficiency can be greatly improved, enables to the resource of surplus to convert to a greater degree, can be effective
Economize on resources, meanwhile, when lighting, mixed gas burning is more abundant, and in combustion product, carbon is eventually with dioxy
The form for changing carbon is present, and reduces the environmental pollution that the toxic gases such as carbon monoxide, nitrogen oxides are brought.
Preferably, above-mentioned TRT 140 includes steam turbine (not showed that in figure) and generator (not showed that in figure).
Wherein, the air inlet of the TRT 140 is provided with steam turbine, steam turbine is connected with generator, to drive generator.
The generating equipment 100 of the present embodiment structure, it is a kind of concrete structure of TRT 140.In this example, will burn
The mixed gas for including low-pressure saturated steam C after product, i.e. raising calorific value, feeding steam turbine, the mixed gas of the high heating value,
With substantial amounts of kinetic energy, (high velocity air produces the high velocity air that the movable vane piece fanging noz(zle) leaf coral on steam turbine projects for burning
Thing, combustion product are the gaseous mixture for including carbon dioxide and low-pressure saturated steam etc., and the gaseous mixture has higher temperature, such as
750 DEG C shown in Fig. 2), the kinetic energy of combustion product can be converted into mechanical energy, rotate turbine rotor, steam turbine
Rotor can be connected by the rotor of shaft coupling and generator, generator amature can be driven to rotate, and realized and generated electricity.Certainly, originally
The concrete structure of the TRT 140 of utility model is not restricted to this, every to utilize steam-electric power (by the dynamic of steam
Electric energy can be ultimately converted to) structure be intended to be included in.
Preferably, above-mentioned generating equipment 100 also includes the processing being connected between retracting device 110 and burner 130
Device 160.
Specifically, processing unit 160 can be provided with air inlet (not showed that in figure) and exhaust outlet (does not show in figure
Go out), the exhaust outlet of above-mentioned retracting device 110 connects with the air inlet of the processing unit 160, with to processing unit 160 provide can
Combustion gas body A, processing unit 160 are used for fuel gas A processing, to cause fuel gas A air pressure to be steamed with low pressure saturation
Vapour C air pressure is consistent.Wherein, the air pressure of low-pressure saturated steam is 1.5-2.5MPa, in this example, low-pressure saturated steam C gas
Pressure is taken as 2Mpa.
Air inlet of the exhaust outlet of above-mentioned processing unit 160 also with burner 130 connects, to be carried to burner 130
For the fuel gas A after processing.
In the generating equipment 100 of the present embodiment structure, using processing unit 160 to fuel gas A processing so that can
Combustion gas body A air pressure is consistent with low-pressure saturated steam C air pressure so that draught head is not present in both, and fuel gas A can be facilitated
Ground is introduced in burner 130 from processing unit 160, contributes to fuel gas A to be sufficiently mixed with low-pressure saturated steam C, to obtain
Primary mix is obtained, it is simple in construction.
Specifically, the processing unit 160 can use compressor.Compressor is that low-pressure gas is promoted into gases at high pressure
A kind of driven fluid machinery, low-pressure gas efficiently can be converted to gases at high pressure by it.It is it is of course also possible to use other
Pressure texture, for example, it is also possible to using booster pump etc..
It is to be further understood that be not known and restrict for fuel gas B air pressure, preferably fuel gas B gas
Pressure is consistent with low-pressure saturated steam C air pressure, and in this example, fuel gas B air pressure is taken as 2Mpa.
Preferably, generating equipment 100 also includes condensing unit 170.Wherein, condensing unit 170 is provided with air inlet (in figure
Do not show that) and exhaust outlet (not showed that in figure), the exhaust outlet of the TRT 140 and the air inlet company of condensing unit 170
It is logical, to provide exhaust steam to condensing unit 170.
Preferably, above-mentioned generating equipment 100 also includes flash distillation plant 180.Wherein, flash distillation plant 180 is provided with air inlet
(not showed that in figure) and exhaust outlet (not showed that in figure), exhaust outlet and the flash distillation plant 180 of above-mentioned TRT 140
Air inlet connects, to provide exhaust steam to flash distillation plant 180.
The generating equipment 100 of the present embodiment, subsequent condensation is carried out to exhaust steam using condensing unit 170 and flash distillation plant 180
Processing and flash distillation process, the condensed water D after condensation process can be recycled, and the hot water after flash distillation process is (for example, hot water temperature
Spend for 93 DEG C) may be used as the occasions such as heating, for example, hot water can connect with the heating radiator installed in user terminal, with to
User heats, therefore can further economize on resources, and avoids the wasting of resources and environmental pollution.
Second aspect of the present utility model, it is related to a kind of coking system (not showed that in figure).The wherein coking system bag
Coking waste heat utilization equipment (not showed that in figure) and generating equipment 100 are included, the generating equipment 100 includes any one above-mentioned knot
The generating equipment 100 of structure, wherein, the coking waste heat utilization equipment connects with above-mentioned retracting device 110, with to retracting device 110
Above-mentioned industrial tail gas is provided.The industrial tail gas includes low-pressure saturated steam C.
The coking system of the present embodiment, using the generating equipment 100 of said structure, coking UTILIZATION OF VESIDUAL HEAT IN can be made full use of
Equipment caused or storage low-pressure saturated steam C in technique productions are carried out.Using fuel gas A, combustion-supporting gas B with it is low
Saturated vapor C mixed combustions are pressed, to improve low-pressure saturated steam C calorific value, in the mixed vapour of generation, calorific value is higher, can
Generating efficiency is improved, low-pressure saturated steam C waste heat is efficiently utilized, can economize on resources, simultaneously, additionally it is possible to reduce nitrogen oxides
Discharge, effective environmental protection.
Preferably, when having condensing unit 170 in the generating equipment included by the coking system, the condensing unit 170
Delivery port also connected with coking waste heat utilization equipment, with to the coking waste heat utilization equipment provide condensed water.
When having flash distillation plant 180 in the generating equipment 100 included by the coking system, the flash distillation plant 180 goes out
The mouth of a river connects with supplying heat source (not showed that in figure), to provide hot water to the supplying heat source.
The coking system of the present embodiment structure, exhaust steam caused by TRT 140 therein, on the one hand, for coagulability
Gas, after condensing unit is handled, condensed water can also be used as Jiao as the boiler feedwater of coking waste heat utilization equipment
Change the boiler feedwater of factory's other equipment, can be achieved to recycle, on the other hand, for incoagulable gas, then can enter flash distillation
Device 180, after the portion gas flash distillation process, hot water is sent into supplying heat source (for example, the supplying heat source can be user's heating radiator
Piece), it is possible to achieve incoagulable gas waste heat reuses, and can further economize on resources.When combustion-supporting gas B be pure oxygen,
When high pure oxygen or ultrapure oxygen, waste gas after flash distillation not Nitrogen element, do not pollute the environment, therefore can directly discharge.
It is understood that embodiment of above is merely to illustrate that principle of the present utility model and used exemplary
Embodiment, but the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case of the spirit and essence of utility model, various changes and modifications can be made therein, and these variations and modifications are also considered as this reality
With new protection domain.
Claims (6)
1. a kind of generating equipment to be generated electricity using low-pressure saturated steam, it is characterised in that the generating equipment includes：
Retracting device, the retracting device are used to reclaim low-pressure saturated steam from industrial tail gas；
Combustible gas source, the combustible gas source are used to provide fuel gas；
Combustion-supporting gas source, the combustion-supporting gas source are used to provide combustion-supporting gas；
Burner, the burner connect with the retracting device, the combustible gas source and the combustion-supporting gas source respectively
It is logical, to mix the fuel gas, the combustion-supporting gas and the low-pressure saturated steam, obtain primary mix；
The burner is additionally operable to light the primary mix, to generate combustion product；Wherein, the heat of the combustion product
Calorific value of the value higher than the low-pressure saturated steam；
TRT, the burner connect with the TRT, to provide the combustion product to the TRT,
To be generated electricity using the combustion product.
2. the generating equipment according to claim 1 to be generated electricity using low-pressure saturated steam, it is characterised in that the hair
Electric installation includes steam turbine and generator, and the steam turbine is connected with the generator, and the combustion product can promote described
Steam turbine rotates, to drive the generator.
3. the generating equipment according to claim 1 to be generated electricity using low-pressure saturated steam, it is characterised in that the hair
Electric equipment also includes the processing unit being connected between the retracting device and the burner；
The processing unit is used to receive and handle the fuel gas, to cause the air pressure of the fuel gas and the low pressure
The air pressure of saturated vapor is consistent, wherein the air pressure of the low-pressure saturated steam is 1.5-2.5MPa；
The processing unit is additionally operable to the fuel gas after processing introducing the burner.
4. the generating equipment to be generated electricity using low-pressure saturated steam according to claims 1 to 3 any one, its feature
It is, the generating equipment also includes condensing unit, and the condensing unit connects with the TRT, the condensing unit energy
It is enough that condensation process is carried out to exhaust steam caused by the TRT；And/or
The generating equipment also includes flash distillation plant, and the flash distillation plant connects with the TRT, the flash distillation plant energy
It is enough that flash distillation process is carried out to exhaust steam caused by the TRT.
5. a kind of coking system, the coking system is included coking waste heat utilization equipment and generated electricity using low-pressure saturated steam
Generating equipment, it is characterised in that the generating equipment to be generated electricity using low-pressure saturated steam includes Claims 1-4
The generating equipment to be generated electricity using low-pressure saturated steam described in any one, wherein, the coking waste heat utilization equipment with
The retracting device connection, to provide the industrial tail gas to the retracting device.
6. coking system according to claim 5, it is characterised in that when the generating equipment includes condensing unit, institute
State condensing unit also to connect with the coking waste heat utilization equipment, to provide condensed water to the coking waste heat utilization equipment；With/
Or,
When the generating equipment includes flash distillation plant, the flash distillation plant also connects with supplying heat source, to be carried to the supplying heat source
Supplying hot water.
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| CN106594787A (en) * | 2017-01-24 | 2017-04-26 | 北京华泰焦化工程技术有限公司 | Method and equipment for generating electricity by utilizing low-pressure saturated steam, and coking system |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594787A (en) * | 2017-01-24 | 2017-04-26 | 北京华泰焦化工程技术有限公司 | Method and equipment for generating electricity by utilizing low-pressure saturated steam, and coking system |
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Address after: 100176 Fifth Floor 501, Building 15, No. 2, No. 31 Courtyard, Kechuang Thirteenth Street, Daxing Economic and Technological Development Zone, Beijing 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. |