CN107036069A - Boiler steam and water circuit - Google Patents
Boiler steam and water circuit Download PDFInfo
- Publication number
- CN107036069A CN107036069A CN201710353904.6A CN201710353904A CN107036069A CN 107036069 A CN107036069 A CN 107036069A CN 201710353904 A CN201710353904 A CN 201710353904A CN 107036069 A CN107036069 A CN 107036069A
- Authority
- CN
- China
- Prior art keywords
- steam
- boiler
- pipe
- drum
- water circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/16—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways
- F22D1/20—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged otherwise than in the boiler furnace, fire tubes, or flue ways and directly connected to boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/26—Steam-separating arrangements
- F22B37/261—Steam-separating arrangements specially adapted for boiler drums
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/34—Adaptations of boilers for promoting water circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
- F22D5/26—Automatic feed-control systems
- F22D5/30—Automatic feed-control systems responsive to both water level and amount of steam withdrawn or steam pressure
Abstract
The invention discloses a kind of boiler steam and water circuit, including it is sequentially connected the water supply system of setting, boiler feedwater control system, economizer, drum, steam carburetion system, main steam line, thermoregulating system and drainage；Steam carburetion system includes the saturated steam pipe of connection drum, and the low temperature superheater, high temperature superheater, collection vapour header of setting are sequentially connected with saturated steam pipe, and collection vapour header is provided with main steam pipe, and main steam pipe exports the superheated steam of nominal parameter.The present invention automatically adjusts water level, operates steadily.
Description
Technical field
The present invention relates to steam generator system, more specifically, it relates to a kind of boiler steam and water circuit.
Background technology
The boiler circuit of boiler is by supply line, economizer, drum, down-comer, water-cooling wall, superheater, reheated steam pipe
Road etc. is constituted.Its main task is to make water heat absorption, evaporation, eventually becomes the superheated steam of certain parameter.
Ignition of the boiler initial stage, when economizer is interruption water inlet, the water temperature in it will be fluctuated.When stopping water inlet,
Immobilising coolant-temperature gage rise, especially proximate to the port of export, then may be vaporized in economizer.Vaporized at economizer exit
When, steam water-level can be caused to fluctuate widely and intake and occur difficulty.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of boiler steam and water circuit, automatically adjusting
Water level, operates steadily.
The present invention above-mentioned technical purpose technical scheme is that：A kind of boiler steam and water circuit, bag
Include the water supply system for being sequentially connected setting, boiler feedwater control system, economizer, drum, steam carburetion system, main steam pipe
Road, thermoregulating system and drainage；Steam carburetion system includes the saturated steam pipe of connection drum, connects successively with saturated steam pipe
The low temperature superheater, high temperature superheater, collection vapour header of setting are connect, collection vapour header is provided with main steam pipe, and main steam pipe is led
Go out the superheated steam of nominal parameter.
By using above-mentioned technical proposal, feedwater is gradually absorbed heat after passing through economizer, and temperature is increased to drum operating pressure
Boiling point, as saturation water, drum is entered by economizer connecting tube afterwards, enters water-cooling wall from drum by down-comer afterwards
Steam water interface is formed, steam water interface is separated into drum, and the water being separated reenters drum hydrospace, and
Recycled, the dry steam being separated is drawn from the main steam pipe at the top of drum；Steam enter drum after by
Enter collection vapour header after some low temperature superheaters, high temperature superheater, collection vapour header exports nominal parameter by main steam pipe
Superheated steam, and collection vapour header can be supplied to steam turbine；The connection that water supply system can lead to boiler water before economizer from drum
In pipeline, to prevent the water vapor of stagnation in economizer；Boiler feedwater control system keeps steam water-level in defined model automatically
In enclosing.
The present invention is further arranged to, and boiler feedwater control system includes feed pipe, and the drum set is connected with feed pipe,
The overheated steam pipe set is connected with drum, overheated steam pipe is connected to steam turbine；Feed pipe is provided with feed-regulating valve, feedwater
Regulating valve connects executing agency, and executing agency's attended operation device is simultaneously controlled by operator, and operator is provided with adjuster.
By using above-mentioned technical proposal, automatically controlling for boiler feedwater is realized, to safe operation, energy-conservation has important
Economic implications.Wherein, water level is main signal, and confluent is feedback signal, and superheated steam amount is feed-forward signal, works as flow of superheated steam
Adjuster adjusts confluent immediately when amount changes, and then feedwater flow can be made to return to original value when feedwater flow receives disturbance.
The present invention is further arranged to, and the feed pipe is provided with feedwater flow transmitter, and feedwater flow transmitter is electrically connected
Connect adjuster.
By using above-mentioned technical proposal, feedwater flow transmitter uses safe and reliable property, can accurately measure and flow through feedwater
The water-carrying capacity of pipe.
The present invention is further arranged to, and the drum is provided with water level transmitter, water level transmitter electrical connection adjuster.
By using above-mentioned technical proposal, water level transmitter installs simple, easy to use.
The present invention is further arranged to, and the overheated steam pipe is provided with steam flow transmitter, steam flow transmitter
Electrically connect adjuster.
By using above-mentioned technical proposal, steam flow transmitter measurement accuracy is high, installs simple, maintenance is small, purposes
Extensively, it is easy to detect.
The present invention is further arranged to, and the drum is provided with observation panel.
By using above-mentioned technical proposal, the setting of observation panel facilitates inside steam drum water level observation, and feedback of the information is directly perceived.
The present invention is further arranged to：The drainage includes platoon system and determines heat-extraction system, platoon system and determines row
System connectivity is set.
By using above-mentioned technical proposal, platoon system coordinates with heat-extraction system is determined, and sewage treatment is carried out according to different demands,
Filth-discharging effect is good.
The present invention is further arranged to：It is described determine heat-extraction system bottom connection arrange cooling tank surely, surely arrange cooling tank connection trench.
By using above-mentioned technical proposal, determine the high temperature sewage in heat-extraction system and arrange cooling tank surely to sewage cold treatment heel row
Put, small, safety and environmental protection is damaged to blow-off line.
The present invention is further arranged to：The thermoregulating system is included on the boiler feed pipe of connection boiler, boiler feed pipe
It is sequentially connected quantifier, regulating valve.
By using above-mentioned technical proposal, quantifier is measured to the boiler water for flowing through boiler feed pipe, it is possible to logical
Overregulate valve regulating flow size.
The present invention is further arranged to：The drum is provided with emergency blowoff pipe, emergency blowoff Guan Shangshe with drainage
There is urgent draining valve.
By using above-mentioned technical proposal, emergency blowoff pipe is provided for controlling water level, when water level is too high in drum,
Urgent draining can be carried out using emergency blowoff pipe.
In summary, the invention has the advantages that：
First, by using above-mentioned technical proposal, feedwater is gradually absorbed heat after passing through economizer, and temperature is increased to drum operating pressure
Boiling point, as saturation water, drum is entered by economizer connecting tube afterwards, enters water-cooling wall from drum by down-comer afterwards
Steam water interface is formed, steam water interface is separated into drum, and the water being separated reenters drum hydrospace, and
Recycled, the dry steam being separated is drawn from the main steam pipe at the top of drum；Steam enter drum after by
Enter collection vapour header after some low temperature superheaters, high temperature superheater, collection vapour header exports nominal parameter by main steam pipe
Superheated steam, and collection vapour header can be supplied to steam turbine；The connection that water supply system can lead to boiler water before economizer from drum
In pipeline, to prevent the water vapor of stagnation in economizer；Boiler feedwater control system keeps steam water-level in defined model automatically
In enclosing；
Second, boiler feedwater control system, realizes automatically controlling for boiler feedwater, to safe operation, energy-conservation has important warp
Ji meaning.Wherein, water level is main signal, and confluent is feedback signal, and superheated steam amount is feed-forward signal, works as superheat steam flow
Adjuster adjusts confluent immediately during change, then feedwater flow can be made to return to original value when feedwater flow receives disturbance；
Third, feed pipe is provided with feedwater flow transmitter, using safe and reliable property, the water for flowing through feed pipe can be accurately measured
Flow；
Fourth, drum is provided with water level transmitter, install simple, it is easy to use；
Fifth, overheated steam pipe is provided with steam flow transmitter, measurement accuracy is high, installs simple, maintenance is small, and purposes is wide
It is general, it is easy to detect.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the structural representation of the present embodiment boiler feedwater control system；
Fig. 3 is the structural representation of the present embodiment steam carburetion system；
Fig. 4 is the structural representation of the present embodiment drainage.
In figure：1st, water supply system；2nd, economizer；3rd, drum；4th, steam carburetion system；41st, saturated steam pipe；42nd, low temperature
Superheater；43rd, high temperature superheater；44th, vapour header is collected；45th, main steam pipe；5th, saturated steam pipe；6th, thermoregulating system；61st, pot
Stove feed pipe；62nd, quantifier；63rd, regulating valve；7th, drainage；71st, platoon system；72nd, heat-extraction system is determined；73rd, fixed row's cooling
Pond；74th, trench；100 boiler feedwater control systems；101st, feed pipe；102nd, drum；103rd, overheated steam pipe；104th, steam turbine；
105th, feed-regulating valve；106th, executing agency；107th, operator；108th, adjuster；109th, feedwater flow transmitter；110th, water
Position transmitter；111st, steam flow transmitter；112nd, observation panel.
Embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment：A kind of boiler steam and water circuit, reference picture 1, including it is sequentially connected the water supply system 1 of setting, boiler feedwater
Regulating system 100, economizer 2, drum 3, steam carburetion system 4, main steam line 5, thermoregulating system 6 and drainage 7；Steam
Carburetion system 4 includes the saturated steam pipe 41 of connection drum 3, and the low temperature superheater of setting is sequentially connected with saturated steam pipe 41
42nd, high temperature superheater 43, collection vapour header 44, collection vapour header 44 are provided with main steam pipe 45, and main steam pipe 45 exports specified
The superheated steam of parameter.
Thermoregulating system 6 includes the boiler feed pipe 61 of connection boiler, provided with quantifier 62 on boiler feed pipe 61, and
Regulating valve 63 is additionally provided with boiler feed pipe 61.
Drum 3 is provided with emergency blowoff pipe 8 with drainage 7, and emergency blowoff pipe 8 is provided with urgent draining valve 9.
Reference picture 2, boiler feedwater control system 100 includes feed pipe 101, the connection drum 102 of feed pipe 101, drum
102 connection overheated steam pipes 103, overheated steam pipe 103 is connected to steam turbine 104.
Feed pipe 101 is provided with feed-regulating valve 105, the electrical connection of feed-regulating valve 105 executing agency 106, executing agency
106 electrical connection operators 107 are simultaneously controlled by operator 107, and operator 107 is provided with adjuster 108.
Adjuster 108 uses PID regulator 108.
Executor can use and automatically select operator 107, it would however also be possible to employ manually select executor.
Feed pipe 101 is provided with feedwater flow transmitter 109, and the electrical connection adjuster 108 of feedwater flow transmitter 109 is adjusted
Save the electrical connection operator 107 of device 108.
Drum 102 is provided with water level transmitter 110, the electrical connection adjuster 108 of water level transmitter 110.
Drum 102 is provided with observation panel 112, and the setting of observation panel 112 facilitates the water level inside of drum 102 to observe, and information is anti-
Feedback is directly perceived.
Overheated steam pipe 103 is provided with steam flow transmitter 111, the electrical connection adjuster of steam flow transmitter 111
108。
Reference picture 3, steam carburetion system 4 includes the saturated steam pipe 41 of connection drum 3, connects successively with saturated steam pipe 41
The low temperature superheater 42, high temperature superheater 43, collection vapour header 44 of setting are connect, collection vapour header 44 is provided with main steam pipe 45, main
Steam main 45 exports the superheated steam of nominal parameter.
Reference picture 4, drainage 7 includes platoon system 71 and determines heat-extraction system 72, and platoon system 71 is led to heat-extraction system 72 is determined
Piping connection is set；Determine the connection of the bottom of heat-extraction system 72 and arrange cooling tank 73 surely, the connection trench 74 of cooling tank 73 is arranged surely.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of boiler steam and water circuit, it is characterised in that：Water supply system (1), boiler feedwater control including being sequentially connected setting
System（100）, economizer (2), drum (3), steam carburetion system (4), main steam line, thermoregulating system (6) and drainage
(7)；Steam carburetion system (4) includes the saturated steam pipe (41) of connection drum (3), is sequentially connected and sets with saturated steam pipe (41)
The low temperature superheater (42) put, high temperature superheater (43), collection vapour header (44), collection vapour header (44) are provided with main steam pipe
(45), main steam pipe (45) exports the superheated steam of nominal parameter.
2. boiler steam and water circuit according to claim 1, it is characterised in that：Boiler feedwater control system includes feed pipe
(101) drum (102) set, is connected with feed pipe (101), the overheated steam pipe (103) set is connected with drum (102),
Overheated steam pipe (103) is connected to steam turbine (104)；Feed pipe (101) is provided with feed-regulating valve (105), feed-regulating valve
(105) connection executing agency (106), executing agency (106) attended operation device (107) is simultaneously controlled by operator (107), and operation
Device (107) is provided with adjuster (108).
3. boiler steam and water circuit according to claim 2, it is characterised in that：The feed pipe (101) is provided with to current
Transmitter (109), feedwater flow transmitter (109) electrical connection adjuster (108).
4. boiler steam and water circuit according to claim 3, it is characterised in that：The drum (102) is provided with water level pick-up
Device (110), water level transmitter (110) electrical connection adjuster (108).
5. boiler steam and water circuit according to claim 4, it is characterised in that：The overheated steam pipe (103) is provided with steaming
Steam flow transmitter (111), steam flow transmitter (111) electrical connection adjuster (108).
6. boiler feedwater control system according to claim 5, it is characterised in that：The drum (102) is provided with observation
Mouth (112).
7. boiler steam and water circuit according to claim 1, it is characterised in that：The drainage (7) includes platoon system
(71) and heat-extraction system (72) is determined, platoon system (71) connects setting with heat-extraction system (72) is determined.
8. boiler steam and water circuit according to claim 1, it is characterised in that：It is described to determine the fixed row of heat-extraction system (72) bottom connection
Cooling tank (73), arranges cooling tank (73) connection trench (74) surely.
9. boiler steam and water circuit according to claim 1, it is characterised in that：The thermoregulating system (6) includes connection boiler
Boiler feed pipe (61), be sequentially connected quantifier (62), regulating valve (63) on boiler feed pipe (61).
10. boiler steam and water circuit according to claim 1, it is characterised in that：On the drum (3) and drainage (7)
Provided with emergency blowoff pipe (8), emergency blowoff pipe (8) is provided with urgent draining valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353904.6A CN107036069A (en) | 2017-05-18 | 2017-05-18 | Boiler steam and water circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353904.6A CN107036069A (en) | 2017-05-18 | 2017-05-18 | Boiler steam and water circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107036069A true CN107036069A (en) | 2017-08-11 |
Family
ID=59538877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710353904.6A Pending CN107036069A (en) | 2017-05-18 | 2017-05-18 | Boiler steam and water circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107036069A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0933005A (en) * | 1995-07-20 | 1997-02-07 | Toshiba Corp | Water feeding device for waste heat recovery boiler |
| KR100947048B1 (en) * | 2009-10-05 | 2010-03-10 | (주)우신비엔피 | Recycling system of high temperature condensed water |
| CN201748413U (en) * | 2010-01-18 | 2011-02-16 | 湖南东沅能源环保设备有限公司 | Circulating fluidized bed boiler for co-firing three wastes |
| CN201764467U (en) * | 2010-07-01 | 2011-03-16 | 山东理工大学 | Vapour-water circulation system of coal mine ventilation air methane (VAM) oxidization device |
| CN202082911U (en) * | 2011-05-20 | 2011-12-21 | 安阳方快锅炉有限公司 | Thermal property testing system of steam boiler |
| CN102865746A (en) * | 2011-07-04 | 2013-01-09 | 广东开能环保能源有限公司 | Improved waste heat power generation system for cement industry |
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| CN103017555A (en) * | 2012-12-21 | 2013-04-03 | 江苏永钢集团有限公司 | Boiler steam-water system for use in residual heat utilization of lime kiln |
| CN203364109U (en) * | 2013-05-30 | 2013-12-25 | 万平 | SCR temperature regulating system of boiler |
| CN203744224U (en) * | 2014-01-02 | 2014-07-30 | 陶泽源 | Boiler feed water regulating system |
| CN204388046U (en) * | 2014-12-25 | 2015-06-10 | 广州迪森热能技术股份有限公司 | Biomass recirculating fluidized bed boiler |
| CN205137417U (en) * | 2015-10-23 | 2016-04-06 | 西安华江环保科技股份有限公司 | Boiler blow -off waste water heat utilizes device |
| CN205746780U (en) * | 2016-03-24 | 2016-11-30 | 湖北金庄科技再生资源有限公司 | The soda pop structure of Fluidized Bed Boiler |
| CN206890491U (en) * | 2017-05-18 | 2018-01-16 | 杭州江东富丽达热电有限公司 | Boiler steam and water circuit |
-
2017
- 2017-05-18 CN CN201710353904.6A patent/CN107036069A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0933005A (en) * | 1995-07-20 | 1997-02-07 | Toshiba Corp | Water feeding device for waste heat recovery boiler |
| KR100947048B1 (en) * | 2009-10-05 | 2010-03-10 | (주)우신비엔피 | Recycling system of high temperature condensed water |
| CN201748413U (en) * | 2010-01-18 | 2011-02-16 | 湖南东沅能源环保设备有限公司 | Circulating fluidized bed boiler for co-firing three wastes |
| CN201764467U (en) * | 2010-07-01 | 2011-03-16 | 山东理工大学 | Vapour-water circulation system of coal mine ventilation air methane (VAM) oxidization device |
| CN202082911U (en) * | 2011-05-20 | 2011-12-21 | 安阳方快锅炉有限公司 | Thermal property testing system of steam boiler |
| CN102865746A (en) * | 2011-07-04 | 2013-01-09 | 广东开能环保能源有限公司 | Improved waste heat power generation system for cement industry |
| CN202709071U (en) * | 2012-07-31 | 2013-01-30 | 太原锅炉集团有限公司 | Oil field gas injection boiler for circulating fluidized bed |
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| CN203364109U (en) * | 2013-05-30 | 2013-12-25 | 万平 | SCR temperature regulating system of boiler |
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| CN204388046U (en) * | 2014-12-25 | 2015-06-10 | 广州迪森热能技术股份有限公司 | Biomass recirculating fluidized bed boiler |
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Application publication date: 20170811 |
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| RJ01 | Rejection of invention patent application after publication |