CN205807468U - A kind of boiler smoke heat is recycled device - Google Patents
A kind of boiler smoke heat is recycled device Download PDFInfo
- Publication number
- CN205807468U CN205807468U CN201620538638.5U CN201620538638U CN205807468U CN 205807468 U CN205807468 U CN 205807468U CN 201620538638 U CN201620538638 U CN 201620538638U CN 205807468 U CN205807468 U CN 205807468U
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- CN
- China
- Prior art keywords
- heat
- smoke
- connect
- boiler
- heat exchanger
- 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.)
- Expired - Fee Related
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Classifications
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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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
This utility model relates to a kind of boiler smoke heat and is recycled device, wherein, boiler is made up of water tank and heater, the side of boiler is provided with smoke evacuation outlet, smoke evacuation outlet and air preheater connect, the side of air preheater is provided with discharge duct, discharge duct and heater connect, the opposite side of air preheater is connected by pipeline with heat exchanger, the circulation tube bank of multiple flue gas it is provided with in heat exchanger, heat exchanger and water inlet pipe connect, the other end of water inlet pipe and water storage box connect, water storage box is externally provided with heat-insulation layer, water storage box built-in controller, water storage box and outlet pipe connect, ball valve it is provided with in outlet pipe, the other end of outlet pipe and water tank connect, level switch it is provided with in water tank, the side of heat exchanger is provided with smoke discharging pipe, dust arrester it is provided with in smoke discharging pipe, smoke discharging pipe and smoke evacuation chimney connect.This utility model improves energy utilization rate, reduces the granule discharged in flue-gas temperature and flue gas, decreases air pollution.
Description
Technical field
This utility model relates to a kind of heat and is recycled device, particularly to a kind of boiler smoke heat recycling profit
Use device.
Background technology
In society, energy-conservation " the 5th energy " become after coal, electric power, oil and natural gas.And show
Generally there is heat utilization ratio in the use of Industrial Boiler low, residual heat of exhaust flue gas temperature is too high, and dirty in flue gas
The problems such as dye environmental gas too high levels, at present, a long-range strategic plan of energy-conservation Yi Shi China economic development, is also current
One urgent task, the whole society is all carrying out energy-saving and cost-reducing, is alleviating Pressure on Energy, build energy-efficient society, and Industrial Boiler
Residual heat resources recycle the important measures being to save the energy, and boiler heat proportion shared by Industrial Boiler smoke discharging residual heat is bigger.As
Fruit does not control residual heat from boiler fume, it will brings harm greatly to earth environment and data, shows according to related data, the general people
Being about 75～85% with the thermal efficiency of boiler, exhaust gas temperature is at 120～160 DEG C；And the thermal efficiency of Industrial Boiler is about 60～70%,
Its exhaust gas temperature is probably between 250 DEG C～350 DEG C, and heat-conducting oil furnace, exhaust gas temperature reaches more than 280 DEG C especially, in a large number
Waste heat is underused, if these flue gases are directly discharged in air, this not only can cause temperature to raise, and pollutes ring
Border, and waste the energy greatly.Therefore reduce boiler smoke temperature and become an important channel of boiler energy-saving.
Existing fuel gas heat recycling device yet suffers from certain defect, utilizes single waste-heat recovery device, it is impossible to
Guarantee that net quantity of heat is recovered.Utilize fume afterheat to add hot water, store water in water storage box, when the water shortage in boiler
Time, then from water storage box, deliver water into boiler, but heat can be made to lose during storing, it is impossible to make the waste heat of flue gas
It is fully utilized.
Utility model content
This utility model aims to solve the problem that the problems referred to above, it is provided that a kind of boiler smoke heat is recycled device.This reality
As follows by novel technical scheme:
A kind of boiler smoke heat is recycled device, described boiler smoke heat be recycled in device boiler by
Water tank and heater composition, the side of boiler is provided with smoke evacuation outlet, and described smoke evacuation outlet and air preheater connect, and air is pre-
The side of hot device is provided with discharge duct, discharge duct and heater and connects, and the opposite side of air preheater leads to heat exchanger
Piping connects, and is provided with the circulation tube bank of multiple flue gas in heat exchanger, and heat exchanger and water inlet pipe connect, the other end of water inlet pipe
Connecting with water storage box, water storage box is externally provided with heat-insulation layer, water storage box built-in controller, water storage box and outlet pipe and connects, in outlet pipe
Being provided with ball valve, the other end of outlet pipe and water tank connect, and are provided with level switch in water tank, and the side of heat exchanger is provided with smoke evacuation
Pipeline, is provided with dust arrester, smoke discharging pipe and smoke evacuation chimney and connects in smoke discharging pipe.
On the basis of technique scheme, described level switch and controller are electrically connected with；Described ball valve and control
Device is electrically connected with.
On the basis of technique scheme, described heat exchanger is stainless steel heat exchanger.
On the basis of technique scheme, in described heat exchanger, it is provided with 10 flue gas circulation tube banks.
On the basis of technique scheme, the material of described heat-insulation layer is silicate aluminum board.
This utility model is reached to provide the benefit that: flue gas first passes through air preheater, and air heating is delivered to boiler
Heater, flue gas is again through over-heat-exchanger, and the flue gas of flue gas circulation tube bank transfers heat to the water body in heat exchanger,
The water body absorbing heat is stored in water storage box by water inlet pipe, and water storage box is externally provided with heat-insulation layer, reduces water body heat in water storage box
Scattering and disappearing of amount, when the water level of water tank drops to setting value, controller controls ball valve and opens, and water is fed to by water body by outlet pipe
Water tank, this utility model is saved fuel, is improve energy utilization rate, reduces the granule discharged in flue-gas temperature and flue gas, subtracts
Lack air pollution, protect environment.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Symbol description
1, boiler；2, water tank；3, smoke evacuation outlet；4, air preheater；5, heat exchanger；6, flue gas circulation tube bank；7, row
Smoke pipeline；8, dust arrester；9, smoke evacuation chimney；10, water inlet pipe；11, heat-insulation layer；12, controller；13, water storage box；14, ball valve；
15, outlet pipe；16, level switch；17, heater；18, discharge duct.
Detailed description of the invention
The utility model is described in further detail with example below in conjunction with the accompanying drawings:
Embodiment 1
A kind of boiler smoke heat is recycled device, the dress as it is shown in figure 1, described boiler smoke heat is recycled
Putting middle boiler 1 to be made up of water tank 2 and heater 17, the side of described boiler 1 is provided with smoke evacuation outlet 3, described smoke evacuation outlet 3 Hes
Described air preheater 4 connects, and the side of described air preheater 4 is provided with discharge duct 18, described discharge duct 18 and described
Heater 17 connects, and the flue gas of described smoke evacuation outlet 3 discharge is by described air preheater 4, and described air preheater 4 is internal
Fin utilize heat that flue gas contains by air preheat to uniform temperature, pass to described heating by described discharge duct 18
Device 17, reduces the use of the energy, and the side of described air preheater 4 is provided with heat exchanger 5, is provided with in described heat exchanger 5
Flue gas circulation tube bank 6, described flue gas circulation tube bank 6 is provided with several, increases heating surface area, make remaining heat maximum
Collecting, described flue gas circulation tube bank 6 is surrounded by water body, is exchanged by heat, and heat is passed by the flue gas of described flue gas circulation tube bank 6
Passing the water body in described heat exchanger 5, the water body absorbing heat is stored in described water storage box 13 by described water inlet pipe 10
In, one end of described heat exchanger 5 and water inlet pipe 10 connects, and the other end and the water storage box 13 of described water inlet pipe 10 connect, described
Water storage box 13 is externally provided with described heat-insulation layer 11, described water storage box 13 built-in controller 12, described water storage box 13 and outlet pipe 15
One end connects, and is provided with ball valve 14 in described outlet pipe 15, and the other end and the described water tank 2 of described outlet pipe 15 connect, described water
Being provided with level switch 16 in case 2, the side of described heat exchanger 5 is provided with smoke discharging pipe 7, is provided with institute in described smoke discharging pipe 7
Stating dust arrester 8, described dust arrester 8 removes the pollutant contained in flue gas, reduces the discharge of pollutant in flue gas, described
Smoke discharging pipe 7 and smoke evacuation chimney 9 connect, and the flue gas of removing heat is in described smoke discharging pipe 7 is discharged to described smoke evacuation chimney 9, by institute
State smoke evacuation chimney 9 to discharge.
Embodiment 2
On the basis of embodiment 1, as it is shown in figure 1, described level switch 16 and described controller 12 are electrically connected with, institute
Stating ball valve 14 and described controller 12 is electrically connected with, described level switch 16 detects that the water level in described water tank 2 is less than setting
During definite value, signal is passed to described controller 12 by described level switch 16, and described controller 12 controls opening of described ball valve 14
Open；
Described heat exchanger 5 is stainless steel heat exchanger, and stainless steel heat exchanger is imitated than the heat exchange of traditional simple steel heat exchanger
Fruit has better heat-transfer effect, and the life-span uses longer；
The material of described heat-insulation layer 11 is silicate aluminum board；
When this utility model is specifically used, flue gas is through smoke evacuation outlet 3 discharge, by air preheater 4, air preheater 4
Internal fin utilizes heat that flue gas contains by air preheat to uniform temperature, passes to heater by discharge duct 18
17, flue gas, again by heat exchanger 5, is exchanged by heat, and the flue gas of flue gas circulation tube bank 6 transfers heat to heat exchanger
Water body in 5, the water body absorbing heat is stored in water storage box 13 by water inlet pipe 10, and the water level in water tank 2 is less than setting
During value, signal is passed to controller 12 by level switch 16, and controller 12 controls the unlatching of ball valve 14, the water body in water storage box 13
Being fed to water tank 2 through outlet pipe 15, dust arrester 8 removes the pollutant contained in flue gas, removes the flue gas of heat through row
Smoke pipeline 7 is discharged in smoke evacuation chimney 9, smoke evacuation chimney 9 discharge.
This utility model, flue gas first passes through air preheater 4, and air heating is delivered to the heater 17 of boiler, flue gas
Again through over-heat-exchanger 5, the flue gas of flue gas circulation tube bank 6 transfers heat to the water body in heat exchanger 5, absorbs the water of heat
Body is stored in water storage box 13 by water inlet pipe 10, and water storage box 13 is externally provided with heat-insulation layer 11, reduces water body heat in water storage box 13
Scatter and disappear, when the water level of water tank 2 drops to setting value, controller 12 controls ball valve 14 and opens, water body by outlet pipe 15 by water
Being fed to water tank 2, this utility model saves fuel, improves energy utilization rate, reduces in discharge flue-gas temperature and flue gas
Pollutant, decrease air pollution, protect environment.
The most by way of example this utility model is illustrated, but this utility model is not limited to above-mentioned being embodied as
Example, all any changes done based on this utility model or modification belong to the scope that this utility model is claimed.
Claims (6)
1. a boiler smoke heat is recycled device, it is characterised in that boiler smoke heat is recycled in device
Boiler is made up of water tank and heater, and the side of boiler is provided with smoke evacuation outlet, and described smoke evacuation outlet and air preheater connect,
The side of air preheater is provided with discharge duct, discharge duct and heater and connects, and the opposite side of air preheater is handed over heat
Parallel operation is connected by pipeline, is provided with the circulation tube bank of multiple flue gas in heat exchanger, and heat exchanger and water inlet pipe connect, water inlet pipe
The other end and water storage box connect, and water storage box is externally provided with heat-insulation layer, water storage box built-in controller, water storage box and outlet pipe and connects, and goes out
Being provided with ball valve in water pipe, the other end of outlet pipe and water tank connect, and are provided with level switch in water tank, and the side of heat exchanger sets
There is smoke discharging pipe, be provided with dust arrester, smoke discharging pipe and smoke evacuation chimney in smoke discharging pipe and connect.
The most according to claim 1, boiler smoke heat is recycled device, it is characterised in that described level switch and
Controller is electrically connected with.
The most according to claim 1, boiler smoke heat is recycled device, it is characterised in that described ball valve and controller
It is electrically connected with.
The most according to claim 1, boiler smoke heat is recycled device, it is characterised in that described heat exchanger is not
Rust steel heat exchanger.
The most according to claim 1, boiler smoke heat is recycled device, it is characterised in that set in described heat exchanger
There are 10 flue gas circulation tube banks.
The most according to claim 1, boiler smoke heat is recycled device, it is characterised in that the material of described heat-insulation layer
For silicate aluminum board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538638.5U CN205807468U (en) | 2016-06-06 | 2016-06-06 | A kind of boiler smoke heat is recycled device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620538638.5U CN205807468U (en) | 2016-06-06 | 2016-06-06 | A kind of boiler smoke heat is recycled device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205807468U true CN205807468U (en) | 2016-12-14 |
Family
ID=57502507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620538638.5U Expired - Fee Related CN205807468U (en) | 2016-06-06 | 2016-06-06 | A kind of boiler smoke heat is recycled device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205807468U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489439A (en) * | 2018-12-05 | 2019-03-19 | 湖南省金润碲业有限公司 | A kind of waste-heat recovery device of smelting furnace |
| CN109572033A (en) * | 2018-11-28 | 2019-04-05 | 杜亮 | Supercharger suppresses brake(-holder) block dust collection reuse means |
| CN111426210A (en) * | 2020-05-20 | 2020-07-17 | 南京华电节能环保设备有限公司 | High-temperature flue gas recycling device of electric furnace |
-
2016
- 2016-06-06 CN CN201620538638.5U patent/CN205807468U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572033A (en) * | 2018-11-28 | 2019-04-05 | 杜亮 | Supercharger suppresses brake(-holder) block dust collection reuse means |
| CN109489439A (en) * | 2018-12-05 | 2019-03-19 | 湖南省金润碲业有限公司 | A kind of waste-heat recovery device of smelting furnace |
| CN111426210A (en) * | 2020-05-20 | 2020-07-17 | 南京华电节能环保设备有限公司 | High-temperature flue gas recycling device of electric furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20170606 |