CN207334703U - A kind of control system of natural gas afterheat boiler for power generation - Google Patents
A kind of control system of natural gas afterheat boiler for power generation Download PDFInfo
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- CN207334703U CN207334703U CN201721396415.0U CN201721396415U CN207334703U CN 207334703 U CN207334703 U CN 207334703U CN 201721396415 U CN201721396415 U CN 201721396415U CN 207334703 U CN207334703 U CN 207334703U
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- hot gas
- boiler
- control system
- triple valve
- acquisition device
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Abstract
The utility model discloses a kind of control system of natural gas afterheat boiler for power generation, including：The a plurality of hot gas conveyance conduit connected with boiler, each hot gas conveyance conduit are equipped with triple valve；Flow detection meter, it is used to detect the hot gas flow in each hot gas conveyance conduit；Hot gas demand acquisition device, it is used to obtain the required hot gas demand of boiler heating；Controller, it is connected with triple valve, flow detection meter and hot gas demand acquisition device, the hot gas demand that the hot gas flow and hot gas demand acquisition device that controller is used to be detected according to flowmeter are got, and controls the aperture of triple valve.Therefore by the hot gas amount for regulating and controlling the aperture of each triple valve to control into boiler, the precision into the hot gas amount of boiler can be ensured to greatest extent, to ensure the normal operation of boiler.
Description
Technical field
Natural gas afterheat technical field of power generation is the utility model is related to, more particularly to a kind of natural gas afterheat power generation pot
The control system of stove.
Background technology
Natural gas uses high-pressure delivery in long distance delivery process, reach user using when need to depressurize.Therefore in gas transmission
When generally use combustion engine driving natural gas boosting machine the pressure in gas pipeline is maintained in certain scope, in pressure reduction
In give off substantial amounts of hot gas, at present mainly using these hot gas come the water in heating boiler, so as to produce superheated steam, overheat
Steam drive steam turbine is rotated and produced electricl energy.But existing control system is difficult to the hot gas amount that accurately control enters boiler, because
This Rankine cycle system that cannot be guaranteed subsequently to connect effectively works.
Therefore, a kind of control system of natural gas afterheat boiler for power generation how is provided, to improve the hot gas into boiler
The control accuracy of amount, is the technical problem that those skilled in the art are badly in need of solving.
Utility model content
The purpose of this utility model is to provide a kind of control system of natural gas afterheat boiler for power generation, can effectively solve
Into boiler hot gas amount control accuracy the problems such as.
In order to solve the above technical problems, the utility model provides following technical solution：
A kind of control system of natural gas afterheat boiler for power generation, including：
The a plurality of hot gas conveyance conduit connected with boiler, each hot gas conveyance conduit are equipped with triple valve；
Flow detection meter, it is used to detect the hot gas flow in each hot gas conveyance conduit；
Hot gas demand acquisition device, it is used to obtain the required hot gas demand of the boiler heating；
Controller, it is connected with the triple valve, the flow detection meter and the hot gas demand acquisition device, institute
State the hot gas that the hot gas flow and the hot gas demand acquisition device that controller is used to detect according to the flowmeter are got
Demand, controls the aperture of the triple valve.
Preferably, the controller and triple valve, the flow detection meter and hot gas demand obtain dress
The circuit for putting connection is equipped with signal isolator.
Preferably, the motor for controlling the triple valve to open and close is further included, the motor is connected with stand-by power supply device.
Preferably, the stand-by power supply device includes storage battery and the inverter connected with the storage battery.
Preferably, the boiler is connected by S type bend pipes with chimney.
Preferably, the inner wall of the gas outlet of the boiler is tapered along the circulating direction of gas.
Preferably, circulating direction flaring of the inner wall of the air inlet of the chimney along gas.
Preferably, by-pass flue is connected with the S types bend pipe, the by-pass flue is equipped with air-introduced machine, the bypass
The outlet of flue is connected with the chimney.
Compared with prior art, above-mentioned technical proposal has the following advantages：
A kind of control system of natural gas afterheat boiler for power generation provided by the utility model, including：A plurality of and boiler
The hot gas conveyance conduit of connection, each hot gas conveyance conduit are equipped with triple valve；Flow detection meter, it is used to detect each hot gas conveying
Hot gas flow in pipeline；Hot gas demand acquisition device, it is used to obtain the required hot gas demand of boiler heating；Control
Device, it is connected with triple valve, flow detection meter and hot gas demand acquisition device, and controller is used for what is detected according to flowmeter
The hot gas demand that hot gas flow and hot gas demand acquisition device are got, controls the aperture of triple valve.Therefore regulation and control are passed through
The aperture of each triple valve controls the hot gas amount into boiler, can ensure the precision into the hot gas amount of boiler to greatest extent, with
Ensure the normal operation of boiler.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the utility model or technical solution of the prior art
Attached drawing is briefly described needed in technology description, it should be apparent that, drawings in the following description are that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
A kind of control for natural gas afterheat boiler for power generation that Fig. 1 is provided by a kind of embodiment of the utility model
The structure diagram of system.
Embodiment
It is understandable in order to enable the above-mentioned purpose of the utility model, feature and advantage to become apparent, it is right below in conjunction with the accompanying drawings
Specific embodiment of the present utility model is described in detail.
Detail is elaborated in the following description in order to fully understand the utility model.But the utility model can
Implemented with a variety of different from other manner described here, those skilled in the art can be without prejudice to the utility model connotation
In the case of do similar popularization.Therefore the utility model is from the limitation of following public embodiment.
Please refer to Fig.1, a kind of natural gas afterheat that Fig. 1 is provided by a kind of embodiment of the utility model, which generates electricity, to be used
The structure diagram of the control system of boiler.
A kind of embodiment of the utility model provides a kind of control system of natural gas afterheat boiler for power generation,
Including：The hot gas conveyance conduit 2 that a plurality of and boiler 1 connects, each hot gas conveyance conduit 2 are equipped with triple valve 3；Flow detection meter,
It is used to detect the hot gas flow in each hot gas conveyance conduit 2；Hot gas demand acquisition device, it, which is used to obtaining boiler 1, heats
Required hot gas demand；Controller 4, it is connected with triple valve 3, flow detection meter and hot gas demand acquisition device,
The hot gas demand that the hot gas flow and hot gas demand acquisition device that controller 4 is used to be detected according to flowmeter are got, control
The aperture of triple valve 3 processed.
In the present embodiment, flow detection meter can be arranged on triple valve 3, i.e., it is defeated to possess detection hot gas for the triple valve 3
Send pipeline 2 conveying come hot gas flow function, secondly hot gas demand acquisition device can obtain boiler 1 heat it is required
Hot gas demand, since the water that boiler 1 heats different temperatures and volume is also different, same day in addition to the demand of hot gas
When right source of the gas is less, can for hot gas combustion engine it is limited, therefore controlled by regulating and controlling the aperture of each triple valve 3 into boiler 1
Hot gas amount, can ensure to greatest extent into boiler 1 hot gas amount precision, to ensure the normal operation of boiler 1.
Such as three hot gas conveyance conduits 2 can be set, i.e., controller 4 needs the aperture of three triple valves 3, comes smart
Really hot gas amount of the control into boiler 1.The hot gas conveyance conduit 2 of other quantity can certainly be selected according to actual conditions, this
Embodiment is not construed as limiting this.
Further, the circuit that controller 4 is connected with triple valve 3, flow detection meter and hot gas demand acquisition device
It is equipped with signal isolator.Interference signal can effectively be abandoned by signal isolator, make signal transmission more accurate.
Further, the motor for controlling triple valve 3 to open and close is further included, motor is connected with stand-by power supply device.Its
In under normal circumstances, motor can be powered by civilian alternating current, when having a power failure, can be supplied by stand-by power supply device
Electricity, to ensure the normal operation of system.
Specifically, stand-by power supply device includes storage battery 5 and the inverter 6 connected with storage battery 5.
In one embodiment of the utility model, boiler 1 is connected by S types bend pipe 7 and chimney 8.By S types bend pipe 7,
The flow resistance of gas can be reduced.
Further, the inner wall of the gas outlet of boiler 1 is tapered along the circulating direction of gas.Such as the tapering internal wall can be
Tubaeform, tubaeform gas outlet flows into S types bend pipe 7 easy to gas.
Secondly, circulating direction flaring of the inner wall of the air inlet of chimney 8 along gas.Such as the flaring inner wall can be loudspeaker
Shape, tubaeform air inlet enter chimney 8 easy to gas from S types bend pipe 7.
Further, by-pass flue 9 is connected with S types bend pipe 7, by-pass flue 9 is equipped with air-introduced machine 10, by-pass flue
9 outlet and chimney 8 connect.It is easy to the gas that boiler 1 is discharged being discharged into air from chimney 8 by air-introduced machine 10.When only
When one valve is opened, air-introduced machine 10 is closed, the gas that boiler 1 is discharged air can be discharged into from chimney 8 by the suction of chimney 8
In.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
A kind of control system of natural gas afterheat boiler for power generation provided by the utility model has been carried out in detail above
Introduce.Specific case used herein is set forth the principle and embodiment of the utility model, above example
Illustrate to be only intended to help the method and its core concept for understanding the utility model.It should be pointed out that for the general of the art
For logical technical staff, on the premise of the utility model principle is not departed from, some improvement can also be carried out to the utility model
And modification, these are improved and modification is also fallen into the protection domain of the utility model claims.To the disclosed embodiments
Described above, enables professional and technical personnel in the field to realize or using the utility model.A variety of modifications to these embodiments
It will be apparent for those skilled in the art, the general principles defined herein can not depart from this
In the case of the spirit or scope of utility model, realize in other embodiments.Therefore, the utility model is not intended to be limited to
The embodiments shown herein, and it is to fit to the most wide model consistent with the principles and novel features disclosed herein
Enclose.
Claims (8)
- A kind of 1. control system of natural gas afterheat boiler for power generation, it is characterised in that including：The a plurality of hot gas conveyance conduit connected with boiler, each hot gas conveyance conduit are equipped with triple valve；Flow detection meter, it is used to detect the hot gas flow in each hot gas conveyance conduit；Hot gas demand acquisition device, it is used to obtain the required hot gas demand of the boiler heating；Controller, it is connected with the triple valve, the flow detection meter and the hot gas demand acquisition device, the control The hot gas demand that the hot gas flow and the hot gas demand acquisition device that device processed is used to be detected according to the flowmeter are got Amount, controls the aperture of the triple valve.
- 2. control system according to claim 1, it is characterised in that the controller and the triple valve, the flow Detection meter and the circuit of hot gas demand acquisition device connection are equipped with signal isolator.
- 3. control system according to claim 2, it is characterised in that further include the electricity for controlling the triple valve to open and close Machine, the motor are connected with stand-by power supply device.
- 4. control system according to claim 3, it is characterised in that the stand-by power supply device include storage battery and and The inverter of the storage battery connection.
- 5. control system according to any one of claims 1 to 4, it is characterised in that the boiler passes through S types bend pipe and cigarette Chimney connects.
- 6. control system according to claim 5, it is characterised in that stream of the inner wall of the gas outlet of the boiler along gas Logical direction is tapered.
- 7. control system according to claim 6, it is characterised in that stream of the inner wall of the air inlet of the chimney along gas Logical direction flaring.
- 8. control system according to claim 7, it is characterised in that by-pass flue is connected with the S types bend pipe, it is described By-pass flue is equipped with air-introduced machine, and the outlet of the by-pass flue is connected with the chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721396415.0U CN207334703U (en) | 2017-10-24 | 2017-10-24 | A kind of control system of natural gas afterheat boiler for power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721396415.0U CN207334703U (en) | 2017-10-24 | 2017-10-24 | A kind of control system of natural gas afterheat boiler for power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207334703U true CN207334703U (en) | 2018-05-08 |
Family
ID=62363604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721396415.0U Active CN207334703U (en) | 2017-10-24 | 2017-10-24 | A kind of control system of natural gas afterheat boiler for power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207334703U (en) |
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2017
- 2017-10-24 CN CN201721396415.0U patent/CN207334703U/en active Active
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