CN106090879A - One is novel takes out solidifying heating system - Google Patents
One is novel takes out solidifying heating system Download PDFInfo
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- CN106090879A CN106090879A CN201610370622.2A CN201610370622A CN106090879A CN 106090879 A CN106090879 A CN 106090879A CN 201610370622 A CN201610370622 A CN 201610370622A CN 106090879 A CN106090879 A CN 106090879A
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- pressure heater
- cylinder
- heater
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Classifications
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- 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
- F22D1/32—Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines
- F22D1/325—Schematic arrangements or control devices therefor
-
- 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
- F22D1/50—Feed-water heaters, i.e. economisers or like preheaters incorporating thermal de-aeration of feed-water
Abstract
The invention discloses and a kind of novel take out solidifying heating system, including: boiler, high pressure cylinder, the first intermediate pressure cylinder, low pressure (LP) cylinder, the second intermediate pressure cylinder, heat supply network blood circulation, condenser, the first high-pressure heater, the second high-pressure heater, the 3rd high-pressure heater, the first water pump, oxygen-eliminating device, the first low-pressure heater, the second low-pressure heater, the 3rd low-pressure heater, the 4th low-pressure heater, the second water pump.It is by arranging the first intermediate pressure cylinder and the second intermediate pressure cylinder, there is provided the energy to respectively heat supply network blood circulation, and be controlled by control valve, on the premise of ensureing for heat and generating power, it is provided that scope is flexible and parameter is relatively low, is suitable for 300MW and the heat-supplying mode of above large sized unit, save the energy, can significantly reduce the degree of superheat of bleeder heater, reduce heat transfer process thermal losses, efficiency is high.
Description
Technical field:
The invention belongs to technical field of thermoelectricity, be specifically related to a kind of novel take out solidifying heating system.
Background technology:
Cogeneration of heat and power technology is that Coal Clean efficiently utilizes, it is achieved the important channel that Energy-saving for Thermal Power Units reduces discharging, and uses heat
The advanced coal unit that is produced from Electricity Federation, its efficiency of energy utilization is up to about 80%, with existing supercritical unit 310g/kWh (power supply
Efficiency 39%) net coal consumption rate compare, the thermal efficiency improve by about one time.Meanwhile, cogeneration units decreases cold source energy, significantly
Decrease the environmental pollution that combusts fossil energy direct heating causes.What State Council's Eleventh Five-Year Plan, " 12 " were issued energy-conservation subtracts
In row's five-year-plan, cogeneration of heat and power all occupies consequence.Meanwhile, cogeneration of heat and power is also important people's livelihood engineering, exists
Huge Demand of Nation and the market demand.At present, common cogeneration of heat and power pattern mainly has: take out solidifying heat supply, heat pump heat supply, low
Vacuum pump set heat supply and back pressure machine heat supply.Wherein, traditional the many extraction section steam from intermediate pressure cylinder aerofluxus of solidifying heat-supplying mode is taken out
Heating hot net water.
In recent years, due to the adjustment of thermal power structure, coal unit is towards Large Copacity, high parameter development, 300MW and above machine
Group has become the agent structure of power industry, heat supply transformation many in, low pressure (LP) cylinder divide and bleed at cylinder (pressure rating be 0.4～
1.0Mpa) can bring huge restriction loss as heat source, along with the increase of heating demand, this part irreversible loss is also
Can dramatically increase.Restriction loss in heat supply link so that large-sized unit employing is taken out solidifying economical effect of heat-supply and had a greatly reduced quality, and is unfavorable for heat
Unit energy-saving and emission-reduction are produced in Electricity Federation.This also become cause large-scale cogeneration of heat and power to be taken out solidifying heating efficiency is on the low side, the loss of part Thermal Power Enterprises
Key reason.Especially pure condensate transformation thermal power plant unit, mesolow divides cylinder pressure higher than designing thermal power plant unit, in addition, it is contemplated that
Extraction and condensing unit heat supply of bleeding mainly utilizes steam coagulation latent heat, therefore, can ensure for heat and generating power in the urgent need to a kind of
Under premise, it is provided that scope is flexible and parameter is relatively low, it is suitable for 300MW and the heat-supplying mode of above large sized unit, to solve height
The key issue that heat supply that parameter extraction and condensing unit faces is the most energy-conservation.
Summary of the invention:
To this end, the present invention solves that the problems of the prior art propose a kind of novel to take out solidifying heating system.
For reaching above-mentioned purpose, technical scheme is as follows:
One is novel takes out solidifying heating system, including:
Boiler, described boiler is provided with the first venthole, the second venthole, the first air intake, the first water inlet.
High pressure cylinder, the air intake of described high pressure cylinder connects the first venthole of described boiler by the first pipeline, and described the
Being provided with the first control valve on one pipeline, the venthole of described high pressure cylinder connects the first air intake of described boiler.
First intermediate pressure cylinder, the air intake of described first intermediate pressure cylinder second goes out vapour by what second pipe connected described boiler
Mouthful, described second pipe is provided with the second control valve.
Low pressure (LP) cylinder, the air intake of described low pressure (LP) cylinder connects the venthole of described first intermediate pressure cylinder.
Second intermediate pressure cylinder, the air intake of described second intermediate pressure cylinder connects the venthole of described high pressure cylinder by the 3rd pipeline,
Being provided with the 3rd control valve on described 3rd pipeline, the two ends of described 3rd control valve connect has a bypass, in described bypass
It is provided with the 4th control valve.
Heat supply network blood circulation, the first air intake of described heat supply network blood circulation is connected in described first by the 4th pipeline presses
The venthole of cylinder, described 4th pipeline is provided with the 5th control valve, and the second air intake of described heat supply network blood circulation is by the
Five pipelines connect the venthole of described second intermediate pressure cylinder.
Condenser, described condenser connects the venthole of described low pressure (LP) cylinder.
First high-pressure heater, the air intake of described first high-pressure heater is connected with the bleeding point of described high pressure cylinder, institute
First water inlet of the feedwater outlet and described boiler of stating the first high-pressure heater is connected.
Second high-pressure heater, the air intake of described second high-pressure heater is connected with the venthole of described high pressure cylinder, institute
The feed-water inlet of the feedwater outlet and described first high-pressure heater of stating the second high-pressure heater is connected, described second hyperbaric heating
The hydrophobic import of device is connected with the hydrophobic outlet of described first high-pressure heater.
3rd high-pressure heater, the air intake of described 3rd high-pressure heater and the first bleeding point of described second intermediate pressure cylinder
Connecting, the feedwater outlet of described 3rd high-pressure heater is connected with the feed-water inlet of described second high-pressure heater, and the described 3rd
The hydrophobic import of high-pressure heater is connected with the hydrophobic outlet of described second high-pressure heater.
First water pump, the feedwater outlet of described first water pump is connected with the feed-water inlet of described 3rd high-pressure heater.
Oxygen-eliminating device, the air intake of described oxygen-eliminating device is connected with the second bleeding point of described second intermediate pressure cylinder, described oxygen-eliminating device
Feedwater outlet be connected with the feed-water inlet of described first water pump, the hydrophobic import of described oxygen-eliminating device respectively with described 3rd high pressure
The hydrophobic outlet of heater, the hydrophobic outlet of described heat supply network blood circulation connect.
3rd bleeding point of the first low-pressure heater, the air intake of described first low-pressure heater and described second intermediate pressure cylinder
Connecting, the feedwater outlet of described first low-pressure heater is connected with the feed-water inlet of described oxygen-eliminating device.
4th bleeding point of the second low-pressure heater, the air intake of described second low-pressure heater and described second intermediate pressure cylinder
Connecting, the feedwater outlet of described second low-pressure heater is connected with the feed-water inlet of described first low-pressure heater, and described second
The hydrophobic import of low-pressure heater is connected with the hydrophobic outlet of described first low-pressure heater.
3rd low-pressure heater, the air intake of described 3rd low-pressure heater connects with the first bleeding point of described low pressure (LP) cylinder
Connecing, the feedwater outlet of described 3rd low-pressure heater is connected with the feed-water inlet of described second low-pressure heater, described 3rd low
The hydrophobic import of pressure heater is connected with the hydrophobic outlet of described second low-pressure heater.
4th low-pressure heater, the air intake of described 4th low-pressure heater connects with the second bleeding point of described low pressure (LP) cylinder
Connecing, the feedwater outlet of described 4th low-pressure heater is connected with the feed-water inlet of described 3rd low-pressure heater, described 4th low
The hydrophobic outlet of hydrophobic import and described 3rd low-pressure heater of pressure heater is connected, described 4th low-pressure heater hydrophobic
Outlet is connected with the hydrophobic import of described condenser.
Second water pump, the feedwater outlet of described second water pump is connected with the feed-water inlet of described 4th low-pressure heater, institute
The feed-water inlet stating the second water pump is connected with the feedwater outlet of described condenser by the 6th pipeline.
Preferred as technique scheme, the pipe diameter of described bypass is less than the pipe diameter of described 3rd pipeline.
Preferred as technique scheme, described high pressure cylinder, described first intermediate pressure cylinder, described low pressure (LP) cylinder sequentially coaxially connect
Connecing, described low pressure (LP) cylinder connects the first electromotor.
Preferred as technique scheme, described second intermediate pressure cylinder connects the second electromotor.
Preferred as technique scheme, the feedwater outlet of described first high-pressure heater enters with the first of described boiler
The 6th control valve it is provided with between the mouth of a river.
Preferred as technique scheme, the feedwater outlet of described first high-pressure heater enters with the first of described boiler
Defecator it is provided with between the mouth of a river.
Preferred as technique scheme, described 6th pipeline is provided with the 7th control valve.
The beneficial effects of the present invention is: it is by arranging the first intermediate pressure cylinder and the second intermediate pressure cylinder, circulate to heat supply network respectively
System provides the energy, and is controlled by control valve, on the premise of ensureing for heat and generating power, it is provided that scope is flexible and parameter
Relatively low, it is suitable for 300MW and the heat-supplying mode of above large sized unit, saves the energy, it is possible to significantly reduce bleeder heater
The degree of superheat, reduce heat transfer process thermal losses, efficiency is high.It is by the venthole of high pressure cylinder and the air intake of the second intermediate pressure cylinder
Between the 3rd pipeline on the 3rd control valve is set, and connect bypass at the two ends of the 3rd control valve, bypass arrange the 4th control
Valve processed, and the pipe diameter of bypass is set smaller than the pipe diameter of the 3rd pipeline, can control throttle flow, thus control into
Enter the energy size of heat supply network blood circulation, improve the efficiency of heating system.
Accompanying drawing illustrates:
The following drawings is only intended to, in schematically illustrating the present invention and explaining, not delimit the scope of the invention.Wherein:
Fig. 1 is that the novel of one embodiment of the invention takes out solidifying heating system structure schematic diagram.
Symbol description in figure:
1-boiler, 2-high pressure cylinder, 3-the first intermediate pressure cylinder, 4-low pressure (LP) cylinder, 5-the second intermediate pressure cylinder, 6-heat supply network blood circulation, 7-
Condenser, 8-the first high-pressure heater, 9-the second high-pressure heater, 10-the 3rd high-pressure heater, 11-the first water pump, 12-remove
Oxygen device, 13-the first low-pressure heater, 14-the second low-pressure heater, 15-the 3rd low-pressure heater, 16-the 4th low-pressure heater,
17-the second water pump, 18-the first electromotor, 19-the second electromotor, 101-the first venthole, 102-the second venthole, 103-
One air intake, 104-the first water inlet, 201-the first pipeline, 202-the first control valve, 301-second pipe, 302-second controls
Valve, 501-the 3rd pipeline, 502-the 3rd control valve, 503-bypasses, 504-the 4th control valve, 601-the first air intake, 602-the
Four pipelines, 603-the 5th control valve, 604-the second air inlet, 605-the 5th pipeline, 801-the 6th control valve, 802-filters dress
Put, 1701-the 6th pipeline, 1702-the 7th control valve.
Detailed description of the invention:
As it is shown in figure 1, the novel of the present invention takes out solidifying heating system, including:
Boiler 1, described boiler 1 is provided with first venthole the 101, second venthole the 102, first air intake 103, first
Water inlet 104.
High pressure cylinder 2, the air intake of described high pressure cylinder 2 connects the first venthole of described boiler 1 by the first pipeline 201
101, described first pipeline 201 is provided with the first control valve 202, the venthole of described high pressure cylinder 2 connects the of described boiler 1
One air intake 103.
First intermediate pressure cylinder 3, the air intake of described first intermediate pressure cylinder 3 connects the second of described boiler 1 by second pipe 301
Venthole 102, described second pipe 301 is provided with the second control valve 302.
Low pressure (LP) cylinder 4, the air intake of described low pressure (LP) cylinder 4 connects the venthole of described first intermediate pressure cylinder 3.
Second intermediate pressure cylinder 5, the air intake of described second intermediate pressure cylinder 5 connects going out of described high pressure cylinder 2 by the 3rd pipeline 501
Steam ports, described 3rd pipeline 501 is provided with the 3rd control valve 502, and the two ends of described 3rd control valve 502 connect a side
Road 503, described bypass 503 is provided with the 4th control valve 504.The pipe diameter of described bypass 503 is less than described 3rd pipeline
The pipe diameter of 501.
Heat supply network blood circulation 6, the first air intake 601 of described heat supply network blood circulation 6 connects described by the 4th pipeline 602
The venthole of the first intermediate pressure cylinder 3, described 4th pipeline 602 is provided with the 5th control valve 603, described heat supply network blood circulation 6
Second air intake 604 connects the venthole of described second intermediate pressure cylinder 5 by the 5th pipeline 605.
Condenser 7, described condenser 7 connects the venthole of described low pressure (LP) cylinder 4.
First high-pressure heater 8, the air intake of described first high-pressure heater 8 is connected with the bleeding point of described high pressure cylinder 2,
The feedwater outlet of described first high-pressure heater 8 is connected with the first water inlet 104 of described boiler 1.Described first hyperbaric heating
It is provided with the 6th control valve 801 between feedwater outlet and first water inlet 104 of described boiler 1 of device 8.Described first high pressure adds
It is provided with defecator 802 between feedwater outlet and first water inlet 104 of described boiler 1 of hot device 8.
Second high-pressure heater 9, the air intake of described second high-pressure heater 9 is connected with the venthole of described high pressure cylinder 2,
The feedwater outlet of described second high-pressure heater 9 is connected with the feed-water inlet of described first high-pressure heater 8, described second high pressure
The hydrophobic import of heater 9 is connected with the hydrophobic outlet of described first high-pressure heater 8.
3rd high-pressure heater 10, the air intake of described 3rd high-pressure heater 10 and the first of described second intermediate pressure cylinder 5
Bleeding point connects, and the feedwater outlet of described 3rd high-pressure heater 10 is connected with the feed-water inlet of described second high-pressure heater 9,
The hydrophobic import of described 3rd high-pressure heater 10 is connected with the hydrophobic outlet of described second high-pressure heater 9.
First water pump 11, the feedwater outlet of described first water pump 11 connects with the feed-water inlet of described 3rd high-pressure heater 10
Connect.
Oxygen-eliminating device 12, the air intake of described oxygen-eliminating device 12 is connected with the second bleeding point of described second intermediate pressure cylinder 5, described removes
The feedwater outlet of oxygen device 12 is connected with the feed-water inlet of described first water pump 11, the hydrophobic import of described oxygen-eliminating device 12 respectively with institute
State the hydrophobic outlet of the 3rd high-pressure heater 10, the hydrophobic outlet of described heat supply network blood circulation 6 connects.
First low-pressure heater 13, the air intake of described first low-pressure heater 13 and the 3rd of described second intermediate pressure cylinder 5
Bleeding point connects, and the feedwater outlet of described first low-pressure heater 13 is connected with the feed-water inlet of described oxygen-eliminating device 12.
Second low-pressure heater 14, the air intake of described second low-pressure heater 14 and the 4th of described second intermediate pressure cylinder 5
Bleeding point connects, and the feedwater outlet of described second low-pressure heater 14 connects with the feed-water inlet of described first low-pressure heater 13
Connecing, the hydrophobic import of described second low-pressure heater 14 is connected with the hydrophobic outlet of described first low-pressure heater 13.
3rd low-pressure heater 15, the air intake of described 3rd low-pressure heater 15 is bled with the first of described low pressure (LP) cylinder 4
Mouth connects, and the feedwater outlet of described 3rd low-pressure heater 15 is connected with the feed-water inlet of described second low-pressure heater 14, institute
The hydrophobic outlet of the hydrophobic import and described second low-pressure heater 14 of stating the 3rd low-pressure heater 15 is connected.
4th low-pressure heater 16, the air intake of described 4th low-pressure heater 16 is bled with the second of described low pressure (LP) cylinder 4
Mouth connects, and the feedwater outlet of described 4th low-pressure heater 16 is connected with the feed-water inlet of described 3rd low-pressure heater 15, institute
The hydrophobic outlet of the hydrophobic import and described 3rd low-pressure heater 15 of stating the 4th low-pressure heater 16 is connected, described 4th low pressure
The hydrophobic outlet of heater 16 is connected with the hydrophobic import of described condenser 7.
Second water pump 17, the feedwater outlet of described second water pump 17 connects with the feed-water inlet of described 4th low-pressure heater 16
Connecing, the feed-water inlet of described second water pump 17 is connected with the feedwater outlet of described condenser 7 by the 6th pipeline 1701.Described
It is provided with the 7th control valve 1702 on six pipelines 1701.
Described high pressure cylinder 2, described first intermediate pressure cylinder 3, described low pressure (LP) cylinder 4 sequentially coaxially connect, and described low pressure (LP) cylinder 4 connects to be had
First electromotor 18.
Described second intermediate pressure cylinder 5 connects the second electromotor 19.
The invention discloses and a kind of novel take out solidifying heating system, including: boiler, high pressure cylinder, the first intermediate pressure cylinder, low pressure (LP) cylinder,
Second intermediate pressure cylinder, heat supply network blood circulation, condenser, the first high-pressure heater, the second high-pressure heater, the 3rd high-pressure heater,
First water pump, oxygen-eliminating device, the first low-pressure heater, the second low-pressure heater, the 3rd low-pressure heater, the 4th low-pressure heater,
Second water pump.It is by arranging the first intermediate pressure cylinder and the second intermediate pressure cylinder, provides the energy to respectively heat supply network blood circulation, and by control
Valve processed is controlled, and is ensureing on the premise of heat and generating power, it is provided that scope is flexible and parameter is relatively low, be suitable for 300MW and with
The heat-supplying mode of upper large sized unit, saves the energy, it is possible to significantly reduce the degree of superheat of bleeder heater, reduces heat transfer process
Thermal losses, efficiency is high.It is by arranging on the 3rd pipeline between the venthole and the air intake of the second intermediate pressure cylinder of high pressure cylinder
3rd control valve, and bypass is connected at the two ends of the 3rd control valve, bypass arranges the 4th control valve, and by straight for the pipeline of bypass
Footpath is set smaller than the pipe diameter of the 3rd pipeline, can control throttle flow, thus control to enter the energy of heat supply network blood circulation
Size, improves the efficiency of heating system.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.Right
For those of ordinary skill in the field, can also make on the basis of the above description other multi-form change or
Variation.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or
Change among still in the protection domain of the invention.
Claims (7)
1. novel take out solidifying heating system for one kind, it is characterised in that including:
Boiler (1), described boiler (1) is provided with the first venthole (101), the second venthole (102), the first air intake
(103), the first water inlet (104)；
High pressure cylinder (2), the air intake of described high pressure cylinder (2) connects the first of described boiler (1) by the first pipeline (201) and goes out vapour
Mouth (101), described first pipeline (201) is provided with the first control valve (202), and the venthole of described high pressure cylinder (2) connects institute
State first air intake (103) of boiler (1)；
First intermediate pressure cylinder (3), the air intake of described first intermediate pressure cylinder (3) connects described boiler (1) by second pipe (301)
Second venthole (102), described second pipe (301) is provided with the second control valve (302)；
Low pressure (LP) cylinder (4), the air intake of described low pressure (LP) cylinder (4) connects the venthole of described first intermediate pressure cylinder (3)；
Second intermediate pressure cylinder (5), the air intake of described second intermediate pressure cylinder (5) connects described high pressure cylinder (2) by the 3rd pipeline (501)
Venthole, described 3rd pipeline (501) is provided with the 3rd control valve (502), the two ends of described 3rd control valve (502) are even
It is connected to a bypass (503), described bypass (503) is provided with the 4th control valve (504)；
Heat supply network blood circulation (6), first air intake (601) of described heat supply network blood circulation (6) is connected by the 4th pipeline (602)
The venthole of described first intermediate pressure cylinder (3), described 4th pipeline (602) is provided with the 5th control valve (603), and described heat supply network follows
Second air intake (604) of loop systems (6) connects the venthole of described second intermediate pressure cylinder (5) by the 5th pipeline (605)；
Condenser (7), described condenser (7) connects the venthole of described low pressure (LP) cylinder (4)；
First high-pressure heater (8), the air intake of described first high-pressure heater (8) connects with the bleeding point of described high pressure cylinder (2)
Connecing, the feedwater outlet of described first high-pressure heater (8) is connected with first water inlet (104) of described boiler (1)；
Second high-pressure heater (9), the air intake of described second high-pressure heater (9) connects with the venthole of described high pressure cylinder (2)
Connecing, the feedwater outlet of described second high-pressure heater (9) is connected with the feed-water inlet of described first high-pressure heater (8), described
The hydrophobic import of the second high-pressure heater (9) is connected with the hydrophobic outlet of described first high-pressure heater (8)；
3rd high-pressure heater (10), the of the air intake of described 3rd high-pressure heater (10) and described second intermediate pressure cylinder (5)
One bleeding point connects, and the feedwater outlet of described 3rd high-pressure heater (10) enters with the feedwater of described second high-pressure heater (9)
Mouth connects, and the hydrophobic import of described 3rd high-pressure heater (10) is connected with the hydrophobic outlet of described second high-pressure heater (9)；
The feed-water inlet of the first water pump (11), the feedwater outlet of described first water pump (11) and described 3rd high-pressure heater (10)
Connect；
Oxygen-eliminating device (12), the air intake of described oxygen-eliminating device (12) is connected with the second bleeding point of described second intermediate pressure cylinder (5), described
The feedwater outlet of oxygen-eliminating device (12) is connected with the feed-water inlet of described first water pump (11), the hydrophobic import of described oxygen-eliminating device (12)
Hydrophobic outlet with the hydrophobic outlet of described 3rd high-pressure heater (10), described heat supply network blood circulation (6) is connected respectively；
First low-pressure heater (13), the of the air intake of described first low-pressure heater (13) and described second intermediate pressure cylinder (5)
Three bleeding points connect, and the feedwater outlet of described first low-pressure heater (13) is connected with the feed-water inlet of described oxygen-eliminating device (12)；
Second low-pressure heater (14), the of the air intake of described second low-pressure heater (14) and described second intermediate pressure cylinder (5)
Four bleeding points connect, and the feedwater outlet of described second low-pressure heater (14) enters with the feedwater of described first low-pressure heater (13)
Mouth connects, and the hydrophobic import of described second low-pressure heater (14) connects with the hydrophobic outlet of described first low-pressure heater (13)
Connect；
3rd low-pressure heater (15), the air intake of described 3rd low-pressure heater (15) is taken out with the first of described low pressure (LP) cylinder (4)
QI KOU connects, and the feedwater outlet of described 3rd low-pressure heater (15) connects with the feed-water inlet of described second low-pressure heater (14)
Connecing, the hydrophobic import of described 3rd low-pressure heater (15) is connected with the hydrophobic outlet of described second low-pressure heater (14)；
4th low-pressure heater (16), the air intake of described 4th low-pressure heater (16) is taken out with the second of described low pressure (LP) cylinder (4)
QI KOU connects, and the feedwater outlet of described 4th low-pressure heater (16) connects with the feed-water inlet of described 3rd low-pressure heater (15)
Connecing, the hydrophobic import of described 4th low-pressure heater (16) is connected with the hydrophobic outlet of described 3rd low-pressure heater (15), institute
The hydrophobic import of the hydrophobic outlet and described condenser (7) of stating the 4th low-pressure heater (16) is connected；
The feed-water inlet of the second water pump (17), the feedwater outlet of described second water pump (17) and described 4th low-pressure heater (16)
Connecting, the feed-water inlet of described second water pump (17) is connected by the feedwater outlet of the 6th pipeline (1701) with described condenser (7)
Connect.
The most according to claim 1 novel take out solidifying heating system, it is characterised in that: the pipe diameter of described bypass (503)
Pipe diameter less than described 3rd pipeline (501).
The most according to claim 1 novel take out solidifying heating system, it is characterised in that: described high pressure cylinder (2), in described first
Cylinder pressure (3), described low pressure (LP) cylinder (4) sequentially coaxially connect, and described low pressure (LP) cylinder (4) connects the first electromotor (18).
The most according to claim 1 novel take out solidifying heating system, it is characterised in that: described second intermediate pressure cylinder (5) connects to be had
Second electromotor (19).
The most according to claim 1 novel take out solidifying heating system, it is characterised in that: described first high-pressure heater (8)
It is provided with the 6th control valve (801) between first water inlet (104) of feedwater outlet and described boiler (1).
The most according to claim 1 novel take out solidifying heating system, it is characterised in that: described first high-pressure heater (8)
It is provided with defecator (802) between first water inlet (104) of feedwater outlet and described boiler (1).
The most according to claim 1 novel take out solidifying heating system, it is characterised in that: described 6th pipeline (1701) is upper to be arranged
There is the 7th control valve (1702).
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| CN201610370622.2A CN106090879B (en) | 2016-05-27 | 2016-05-27 | A kind of solidifying heating system of novel pumping |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375213A (en) * | 2021-06-15 | 2021-09-10 | 南京工业大学 | Novel combined heat and power generation system and method based on double-unit operation mode |
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| CN101650022A (en) * | 2009-08-21 | 2010-02-17 | 上海电力学院 | Steam turbine interstage back-heating heater cross-class connecting system |
| CN101694294A (en) * | 2009-10-19 | 2010-04-14 | 无锡华光锅炉股份有限公司 | Water inlet structure of large deaerator shared by plurality of boilers |
| CN102519067A (en) * | 2011-12-21 | 2012-06-27 | 华北电力大学 | Heating energy saving device with additional back pressure generator for extraction condensing unit and heating energy saving method |
| CN203669944U (en) * | 2014-01-15 | 2014-06-25 | 华北电力大学 | Steam-extraction steam source optimizing system, based on brown coal unit, of dryer |
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| CN113375213A (en) * | 2021-06-15 | 2021-09-10 | 南京工业大学 | Novel combined heat and power generation system and method based on double-unit operation mode |
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