CN209484562U - A kind of exhaust heat stepped recycling system of boiler controller system - Google Patents
A kind of exhaust heat stepped recycling system of boiler controller system Download PDFInfo
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- CN209484562U CN209484562U CN201822233566.5U CN201822233566U CN209484562U CN 209484562 U CN209484562 U CN 209484562U CN 201822233566 U CN201822233566 U CN 201822233566U CN 209484562 U CN209484562 U CN 209484562U
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- boiler
- steam exhaust
- cooling water
- recycling
- heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a kind of exhaust heat stepped recycling system of boiler controller system, it is related to thermal energy recovery technology field, including exhaust steam heat energy recyclable device, boiler liquid slag heat-energy recovering apparatus and boiler energy-saving device, cooling water passes sequentially through three above device, after carrying out multi-stage heat exchanger, formation high-grade hot water, which is back to use in production, to be used, the utility model is designed reasonably, by carrying out comprehensive recycling to different grades of waste heat, more high-grade hot product supply is generated to produce and use, unnecessary waste is reduced, fuel has effectively been saved.
Description
Technical field
The utility model belongs to thermal energy recovery technology field, more particularly to a kind of exhaust heat stepped recycling of boiler controller system
System.
Background technique
In boiler controller system operational process, oxygen-eliminating device steam exhaust, boiler arrange flash vessel and boiler platoon flash vessel etc. surely to be had greatly
The waste heat of amount is diffused to air as a vapor, the slag tap and coal dust furnace slag discharge sensible heat of circulating fluidized bed boiler
It scatters and disappears naturally in air, causes a large amount of wastes of thermal energy.
Existing low temperature exhaust heat recovery technology is only capable of generating low-grade hot product (65 DEG C of <), but the operation of boiler controller system
In the process, a large amount of more high-grade hot product (100 DEG C of >) is needed, whole and effective benefit can not be carried out by causing boiler
With.
Utility model content
The purpose of this utility model is just to provide a kind of exhaust heat stepped recycling system of boiler controller system, by providing to waste heat
The cascade utilization in source is recycled all using waste heat, reaches the zero-emission using waste heat.
The purpose of this utility model is realized by following technical proposals:
A kind of exhaust heat stepped recycling system of boiler controller system, including steam exhaust recycling can, lag cooler and boiler energy-saving device；
The steam exhaust recycling can is equipped with cooling water cavity and steam exhaust chamber；The cooling water cavity is connected to recirculated cooling water pipe network, institute
Steam exhaust chamber connection steam exhaust pipe network is stated, completes level-one heat exchange contact cooling water and steam exhaust in steam exhaust recycling can；Steam exhaust is returned
To the on-condensible gas that is discharged in steam exhaust, the steam exhaust chamber of steam exhaust recycling can is also connected to the steam exhaust chamber connection steam exhaust discharger of closed cans
Condensation water pipe network；
The slag charge entrance of the lag cooler is connected to boiler warm sludge discharger, and the cooling water inlet connection of lag cooler is described weary
The cooling water cavity of vapour recycling can completes secondary heat exchange contact cooling water and boiler slag in lag cooler；Lag cooler
Slag charge outlet slag-draining device；
The smoke inlet of the boiler energy-saving device is connected to boiler exhaust gas device, and the cooling water inlet of the boiler energy-saving device connects
The cooling water outlet for leading to the lag cooler completes three-level heat exchange contact cooling water and flue gas in boiler energy-saving device；Pot
The cooling water outlet of furnace energy-saving appliance is connected to process water pipe network, the exhanst gas outlet connection smoke evacuation pipe network of boiler energy-saving device.
Preferably, the material of the steam exhaust recycling can is 304 stainless steels.
Further, the steam exhaust recycling can includes shell and tube condenser and helical fin formula heat exchanger, the shell and tube
The material of the heat exchanging pipe of condenser is 304 stainless steels, the heat exchanging pipe of the helical fin formula heat exchanger and the material of fin
For 304 stainless steels.
Further, the hot side of the boiler energy-saving device is equipped with the helical fin to extended surface.
Further, the boiler energy-saving device is horizontally disposed and its bottom is equipped with the sedimentation to receive particulate matter in flue gas
Ash bucket.
Compared with prior art, the utility model has the beneficial effects that:
Applicant it has been investigated that: 65 DEG C can be warming up to after the heat in cooling water recycling steam exhaust, but in order to adequately return
The heat and steam in steam exhaust are received, visual pollution is reduced, the temperature of steam exhaust recycling can cooling water water outlet need to be controlled less than 45 DEG C, passed through
Cooling water after the heating of steam exhaust recycling can exchanges heat using slag cold and boiler warm sludge, and cooler-water temperature can rise to 55 DEG C, uses
The heat exchange of slag cold can reduce the working strength of next stage heat exchange, increase the flow of the high-grade hot water of next stage heat exchange, cold through slag
The cooling water of machine secondary heat exchange exchanges heat using boiler energy-saving device with boiler smoke, the flue gas of boiler heat with higher
Amount, quickly can be heated to high-temperature-hot-water (100 DEG C) or superheated water (>=100 DEG C) for cooling water, using this connection type thermal energy
Recovering effect is good, and the flow for generating high-grade hot water is big.
When using the utility model, recirculated cooling water is discharged into steam exhaust recycling can, while steam exhaust being also discharged into steam exhaust recycling
Tank, steam exhaust lime set are discharged into condensation water pipe network, and recirculated cooling water is discharged into slag cold after the heat exchange of the first time of steam exhaust recycling can
It is interior, second is carried out with the warm sludge of boiler discharge and is exchanged heat, and after the completion of heat exchange, recirculated cooling water is discharged into boiler energy-saving device, with pot
The flue gas that fire grate goes out carries out third time heat exchange, and recirculated cooling water becomes the hot water (100 DEG C of <) or superheated water (>=100 DEG C) of high temperature
Production and application is provided.
The utility model is designed reasonably, the first order heat source using steam exhaust as energy cascade utilization return steam exhaust heat
While receipts, condensed water can be recycled, the heat and condensed water of steam exhaust can be recycled to greatest extent, reduced weary
The white haze that generates when vapour is discharged and the visual pollution formed；Second level heat using the heat source of lag cooler as energy cascade utilization
Thermal energy is back to condensed water, makes full use of the sensible heat of rate boiler warm sludge by source while guaranteeing the cooling temperature of lag cooler,
Reduce the consumption of fuel；Recirculated cooling water is carried out by exhaust steam heat energy recyclable device and boiler slag removal heat-energy recovering apparatus pre-
After heat, third level heat source using the flue gas of boiler energy-saving device as energy cascade utilization improves energy-saving appliance outlet hot water's
Low-grade steam exhaust is promoted to high-grade hot water by temperature and flow；It is returned using the step of the low-grade waste heat of boiler controller system
It receives, generates high-grade heat source.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural representation of the exhaust heat stepped recycling system of boiler controller system provided by the embodiment of the utility model
Figure；
Appended drawing reference: 1- steam exhaust recycling can, 11- steam exhaust discharger, 2- lag cooler, 21- slag-draining device, 3- boiler energy-saving
Device, 31- ash bucket, 4- steam exhaust pipe network, 5- recirculated cooling water pipe network, 6- condensation water pipe network, 7- boiler, 71- boiler warm sludge discharge dress
It sets, 72- boiler exhaust gas device, 8- process water pipe network, 9- smoke evacuation pipe network.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
Embodiment
As shown in Figure 1, a kind of exhaust heat stepped recycling system of boiler controller system, including steam exhaust recycling can 1,2 and of lag cooler
Boiler energy-saving device 3；
Steam exhaust recycling can 1 is equipped with cooling water cavity and steam exhaust chamber；Cooling water cavity is connected to recirculated cooling water pipe network 5, and steam exhaust chamber connects
Logical steam exhaust pipe network 4 completes level-one heat exchange contact cooling water and steam exhaust in steam exhaust recycling can 1；Steam exhaust recycling can 1 it is weary
Vapour chamber is connected to steam exhaust discharger 11 to the on-condensible gas that is discharged in steam exhaust, and the steam exhaust chamber of steam exhaust recycling can 1 is also connected to condensation
Liquid pipe net 6；It should be noted that for the waste heat of steam exhaust and condensed water are carried out whole recycling, cold medium (i.e. recirculated cooling water)
Temperature requirement is lower；
The slag charge entrance of lag cooler 2 is connected to boiler warm sludge discharger 71, and the cooling water inlet connection steam exhaust of lag cooler 2 is returned
The cooling water cavity of closed cans 1 completes secondary heat exchange contact cooling water and 7 waste residue of boiler in lag cooler 2；Lag cooler 2
Slag charge outlet slag-draining device 21；
The smoke inlet of boiler energy-saving device 3 is connected to boiler exhaust gas device 72, and the cooling water inlet connection of boiler energy-saving device 3 is cold
The cooling water outlet of slag machine 2 completes three-level heat exchange contact cooling water and flue gas in boiler energy-saving device 3；Boiler energy-saving
The cooling water outlet of device 3 is connected to process water pipe network 8, the exhanst gas outlet connection smoke evacuation pipe network 9 of boiler energy-saving device 3；It needs to illustrate
Be on each pipe network according to the settable all kinds of valves of needs of production, data acquisition device etc..
When using the utility model, recirculated cooling water is discharged into exhaust steam heat energy recyclable device, while steam exhaust being also discharged into weary
Vapour heat-energy recovering apparatus, steam exhaust lime set are discharged into condensation water pipe network, and recirculated cooling water passes through the first time of exhaust steam heat energy recyclable device
It after heat exchange, is discharged into boiler slag removal heat-energy recovering apparatus, carries out second with the warm sludge of boiler discharge and exchange heat, after the completion of heat exchange,
Recirculated cooling water is discharged into boiler energy-saving device, carries out third time heat exchange with the flue gas of boiler discharge, recirculated cooling water becomes high temperature
Hot water (100 DEG C of <) or (>=100 DEG C) of superheated water provide to produce and use.
In some embodiments, steam exhaust recycling can 1 includes shell and tube condenser 12 and helical fin formula heat exchanger 13；It needs
Illustrate, trumpet cooler 17 and helical fin formula heat exchanger 18 are that 304 stainless steels are made that (most important position is tubulation
The material of the heat exchanging pipe of formula condenser 12 is 304 stainless steels, the heat exchanging pipe of helical fin formula heat exchanger 13 and the material of fin
Material is 304 stainless steels), it is more serious to the corrosion of steam exhaust recycling can 1 due to containing a large amount of oxygen in steam exhaust, not using 304
Rust steel greatly increases the corrosion resistance of steam exhaust recycling can 1 as material is prepared, and increase steam exhaust recycling can 1 uses the longevity
Life；Using the above design, 1 failure rate of steam exhaust recycling can is low, stable, to the rate of recovery of heat and steam in steam exhaust compared with
Height solves steam exhaust in condensing recovery, heat exchange efficiency using a shell and tube condenser and a helical fin formula heat exchanger
The problem of causing heat exchange efficiency to decline with condensate moisture precipitation, is divided into two parts for condensation process, is exchanged heat using two-part.Cold
The second half section of solidifying process uses helical fin formula heat exchanger, and steam exhaust side heat exchange area is made to be increased, and heat transfer process is realized new
Hot-fluid balance, improves the heat exchange efficiency of condensation second half section.
In some embodiments, the hot side of boiler energy-saving device 3 is equipped with the helical fin to extended surface；More than
Design, is effectively increased the heat exchange efficiency of boiler energy-saving device 3, increases the rate of recovery of smoke heat energy.
In some embodiments, boiler energy-saving device 3 is horizontally disposed and its bottom is equipped with to receive particulate matter in flue gas
The ash bucket 35 of sedimentation；Purification is dusted it should be noted that being transported in deduster from the flue gas that boiler energy-saving device is discharged
Processing, using the above design, the flue dust in blowing out and Starting-up process is flowed to by means of gravity and is deposited in ash bucket, is reduced
The workload of subsequent purification flue gas step.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (5)
1. a kind of exhaust heat stepped recycling system of boiler controller system, it is characterised in that: including steam exhaust recycling can (1), lag cooler (2)
With boiler energy-saving device (3)；
The steam exhaust recycling can (1) is equipped with cooling water cavity and steam exhaust chamber；The cooling water cavity is connected to recirculated cooling water pipe network (5),
The steam exhaust chamber is connected to steam exhaust pipe network (4), changes to make cooling water and the steam exhaust contact in steam exhaust recycling can (1) complete level-one
Heat；Steam exhaust chamber connection steam exhaust discharger (11) of steam exhaust recycling can (1) is to the on-condensible gas that is discharged in steam exhaust, steam exhaust recycling
The steam exhaust chamber of tank (1) is also connected to condensation water pipe network (6)；
The slag charge entrance of the lag cooler (2) is connected to boiler warm sludge discharger (71), the cooling water inlet connection of lag cooler (2)
The cooling water cavity of the steam exhaust recycling can (1), to make the contact in lag cooler (2) of cooling water and boiler (7) waste residue complete two
Grade heat exchange；The slag charge outlet slag-draining device (21) of lag cooler (2)；
The smoke inlet of the boiler energy-saving device (3) is connected to boiler exhaust gas device (72), the cooling water of the boiler energy-saving device (3)
Entrance is connected to the cooling water outlet of the lag cooler (2), complete the contact in boiler energy-saving device (3) of cooling water and flue gas
Three-level heat exchange；The cooling water outlet of boiler energy-saving device (3) is connected to process water pipe network (8), the exhanst gas outlet of boiler energy-saving device (3)
Connection smoke evacuation pipe network (9).
2. the exhaust heat stepped recycling system of boiler controller system according to claim 1, it is characterised in that: the steam exhaust recycling
The material of tank (1) is 304 stainless steels.
3. the exhaust heat stepped recycling system of boiler controller system according to claim 1, it is characterised in that: the steam exhaust recycling
Tank (1) includes shell and tube condenser (12) and helical fin formula heat exchanger (13), the heat exchange column of the shell and tube condenser (12)
The material of pipe is 304 stainless steels, and the heat exchanging pipe of the helical fin formula heat exchanger (13) and the material of fin are 304 stainless
Steel.
4. the exhaust heat stepped recycling system of boiler controller system according to claim 1, it is characterised in that: the boiler energy-saving
The hot side of device (3) is equipped with the helical fin to extended surface.
5. the exhaust heat stepped recycling system of boiler controller system according to claim 1, it is characterised in that: the boiler energy-saving
Device (3) is horizontally disposed and its bottom is equipped with the ash bucket (31) to receive the sedimentation of particulate matter in flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233566.5U CN209484562U (en) | 2018-12-28 | 2018-12-28 | A kind of exhaust heat stepped recycling system of boiler controller system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822233566.5U CN209484562U (en) | 2018-12-28 | 2018-12-28 | A kind of exhaust heat stepped recycling system of boiler controller system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209484562U true CN209484562U (en) | 2019-10-11 |
Family
ID=68129032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822233566.5U Active CN209484562U (en) | 2018-12-28 | 2018-12-28 | A kind of exhaust heat stepped recycling system of boiler controller system |
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| Country | Link |
|---|---|
| CN (1) | CN209484562U (en) |
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2018
- 2018-12-28 CN CN201822233566.5U patent/CN209484562U/en active Active
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