CN209279139U - A kind of boiler ash waste-heat recovery device - Google Patents
A kind of boiler ash waste-heat recovery device Download PDFInfo
- Publication number
- CN209279139U CN209279139U CN201821872504.2U CN201821872504U CN209279139U CN 209279139 U CN209279139 U CN 209279139U CN 201821872504 U CN201821872504 U CN 201821872504U CN 209279139 U CN209279139 U CN 209279139U
- Authority
- CN
- China
- Prior art keywords
- flue
- bottom plate
- cold water
- exchanger tube
- rotating block
- 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.)
- Active
Links
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a kind of boiler ash waste-heat recovery devices, belong to boiler ash process field, including the first flue, the second flue, shell, heat exchanger tube, cold water pipes and hot water pipeline；First flue and the second flue are parallel, have the heat exchanger tube wrapped up by shell below, the heat exchanger tube both ends are connected with cold water pipes and hot water pipeline respectively.A kind of boiler ash waste-heat recovery device of the utility model, structure is simple, convenient operating maintenance, at low cost；Lime-ash waste heat is efficiently used, and boiler efficiency is improved.
Description
Technical field
The utility model belongs to boiler ash process field, relates in particular to a kind of boiler ash waste-heat recovery device.
Background technique
With China's industrial development, all trades and professions Industrial Boiler is using more and more, wherein a big chunk Industrial Boiler
Dust content is relatively high, especially the waste heat boilers such as nonferrous smelting, pyrite-based sulfuric acid production, cement kiln, glass furnace, into boiler smoke
Dust content is very big in gas, and part dust enters the subsequent cleaner of boiler with flue gas and is dusted collection, and most of dust exists
Boiler smoke is constantly settled in channel, is centrifugated, and is discharged in the form of lime-ash from boiler bottom ash bucket.
From boiler ash bucket discharge ash temperature it is high can reach 800 ~ 900 DEG C or so, even if boiler ash bucket be discharged lime-ash temperature
Degree can also reach 300 ~ 400 DEG C or so, this current processing mode of part lime-ash heat is to be cooled down in a manner of natural air cooling, pass through ash
Slag transportation system collection processing.Such processing mode does not efficiently use lime-ash waste heat, forms a large amount of heat resource wastes,
National energy conservation and emission reduction policy is not met.
Summary of the invention
The purpose of this utility model is to provide a kind of boiler ash waste-heat recovery device in view of the above shortcomings, is intended to solve
Lime-ash heat resource wastes problem at present.
To achieve the above object, the utility model provides the following technical solutions:
A kind of boiler ash waste-heat recovery device, including the first flue 11, the second flue 12, shell 1, heat exchanger tube 2, cold water
Pipeline 4 and hot water pipeline 7；First flue 11 and the second flue 12 are parallel, there is the heat exchanger tube wrapped up by shell 1 below
2,2 both ends of heat exchanger tube are connected with cold water pipes 4 and hot water pipeline 7 respectively.
Due to above structure, first flue 11 and the second flue 12 are parallel, flue gas from the first flue 11 to flow down
Enter and flowed upwards out again from the second flue 12, isolate lime-ash and be deposited in shell 1, is sufficiently exchanged heat by heat exchanger tube 2, absorb lime-ash
Heat, ash temperature drop to 100 DEG C or so；At heat absorption working medium end, enter heat exchange by cold water pipes 4 from softening water station cold water
Pipe 2 absorbs lime-ash heat, enters deaerating type of cycles by hot water pipeline 7 after being heated, and participates in boiler steam and water circuit circulation.
It further, further include the lime-ash recovered temperature meter 3 for being set to 2 lower section of heat exchanger tube.
Due to above structure, lime-ash recovered temperature meter 3 is convenient for monitoring ash temperature.
It further, further include the hot and cold water thermometer 5 on cold water pipes 4 and/or hot water pipeline 7.
Due to above structure, hot and cold water thermometer 5 is convenient for the temperature of water in monitoring cold water pipes 4 and/or hot water pipeline 7.
Further, the cold water pipes 4 and hot water pipeline 7 are equipped with the waterpipe valve 6 of control water flow.
Due to above structure, convenient for the water flow in control cold water pipes 4 and hot water pipeline 7.
Further, the heat exchanger tube 2 is equipped with fin, for increasing heat exchange area and disintegrating slag.
Due to above structure, fin can increase heat exchange area, improve heat exchange efficiency, and the tip on fin can be used to powder
The lime-ash of broken whereabouts further increases contact area and convenient for recycling.Fin can be helical fin, or zigzag wing
Piece.
Further, 1 bottom of shell is equipped with hinged bottom plate 8 and rotating block 81 therewith；The bottom plate 8 and rotation
It is equipped with torsional spring on block 81, is allowed to tend to horizontality；It is equipped with to be fixed in shell 1 above the rotating block 81 and is used to limit
The baffle 82 of 8 corner of bottom plate processed, the rotating block 81 can support the certain lower pressure of bottom plate 8.
Due to above structure, 8 left end of bottom plate is hinged on 1 bottom of shell, and 8 right end of bottom plate is overlapped on rotating block 81, rotation
81 right end of block is hinged on 1 bottom of shell；It is equipped with torsional spring on bottom plate 8 and rotating block 81, makes bottom plate 8 and rotating block 81 in positive reason
Under condition, tend to horizontality；I.e. horizontality when, it is suitable under the effect of gravity that the torsional spring torsion on bottom plate 8 just offsets bottom plate 8
The rotatory force of hour hands rotation, it is horizontal to make 81 holding of rotating block for the torsional spring power of torsional spring on rotating block 81, and can bear certain bottom plate 8
The lower pressure of right end；When the lime-ash that bottom plate 8 is accepted reaches certain amount, 8 right end of bottom plate pushes rotating block 81, until the grey quantity of slag
It is enough to overcome the torsional spring power on rotating block 81, rotating block 81 rotates counterclockwise, and bottom plate 8 is detached from rotating block 81, quickly downwardly turn over,
Topple over lime-ash, after lime-ash quickly slides, 8 moment of bottom plate mitigates, and rotates counterclockwise under the torsion of torsional spring on bottom plate 8, hits
Rotating block 81, empty 8 right end of bottom plate enter between the baffle 82 of limit and rotating block 81.
Further, the rotating block 81 is equipped with downwardly convex pouring weight, after being rushed open by bottom plate 8, turns clockwise
Automatic fall-back is to horizontality when dynamic.
Since above structure quickly downwardly turns over when the disengaging rotating block 81 of bottom plate 8, topples over lime-ash, lime-ash quickly slides
Afterwards, 8 moment of bottom plate mitigates, and rotates counterclockwise under the torsion of torsional spring on bottom plate 8, hits rotating block 81, sets on rotating block 81
There is downwardly convex pouring weight, after being rushed open by bottom plate 8, automatic fall-back is to horizontality when rotating clockwise.
The beneficial effects of the utility model are:
1. the present apparatus is isolated lime-ash and is deposited in shell 1, is sufficiently exchanged heat by heat exchanger tube 2, absorb lime-ash heat, ash
Slag temperature drops to 100 DEG C or so；At heat absorption working medium end, enters heat exchanger tube 2 by cold water pipes 4 from softening water station cold water, inhale
Lime-ash heat is received, deaerating type of cycles is entered by hot water pipeline 7 after being heated, participates in boiler steam and water circuit circulation；Present apparatus structure
Simply, convenient operating maintenance, it is at low cost；Lime-ash waste heat is efficiently used, and boiler efficiency is improved.
Detailed description of the invention
Fig. 1 is the principles of the present invention schematic diagram；
Fig. 2 is the bottom plate automatic clinker-removing structure of the utility model；
In attached drawing: 1- shell, 2- heat exchanger tube, 3- lime-ash recovered temperature meter, 4- cold water pipes, 5- hot and cold water thermometer, 6-
Waterpipe valve, 7- hot water pipeline, 8- bottom plate, 81- rotating block, 82- baffle, the first flue of 11-, the second flue of 12-.
Specific embodiment
With reference to the accompanying drawing with specific embodiment, the present invention is described in more detail, but the utility model not office
It is limited to following embodiment.
Embodiment one:
As shown in Fig. 1.A kind of boiler ash waste-heat recovery device, including the first flue 11, the second flue 12, shell 1,
Heat exchanger tube 2, cold water pipes 4 and hot water pipeline 7；First flue 11 and the second flue 12 are parallel, have below by shell 1
The heat exchanger tube 2 of package, 2 both ends of heat exchanger tube are connected with cold water pipes 4 and hot water pipeline 7 respectively.First flue 11
Parallel with the second flue 12, flue gas is flowed downwardly into from the first flue 11 and is flowed upwards out again from the second flue 12, isolates lime-ash
It is deposited in shell 1, is sufficiently exchanged heat by heat exchanger tube 2, absorb lime-ash heat, ash temperature drops to 100 DEG C or so；In heat absorption work
Matter end enters heat exchanger tube 2 by cold water pipes 4 from softening water station cold water, absorbs lime-ash heat, pass through hot-water line after being heated
Road 7 enters deaerating type of cycles, participates in boiler steam and water circuit circulation.
The device further includes the lime-ash recovered temperature meter 3 set on 2 lower section of heat exchanger tube, and lime-ash recovered temperature meter 3 is convenient for monitoring
Ash temperature.It further include the hot and cold water thermometer 5 on cold water pipes 4 and/or hot water pipeline 7, hot and cold water thermometer 5 is convenient for
Monitor the temperature of water in cold water pipes 4 and/or hot water pipeline 7.The cold water pipes 4 and hot water pipeline 7 are equipped with control water flow
The waterpipe valve 6 of amount, convenient for the water flow in control cold water pipes 4 and hot water pipeline 7.
Embodiment two:
As shown in attached drawing 1 ~ 2.A kind of boiler ash waste-heat recovery device, including the first flue 11, the second flue 12, shell
1, heat exchanger tube 2, cold water pipes 4 and hot water pipeline 7；First flue 11 and the second flue 12 are parallel, have below by shell
The heat exchanger tube 2 that body 1 wraps up, 2 both ends of heat exchanger tube are connected with cold water pipes 4 and hot water pipeline 7 respectively.First flue
11 and second flue 12 it is parallel, flue gas is flowed downwardly into from the first flue 11 and is flowed upwards out again from the second flue 12, separate ash discharge
Slag is deposited in shell 1, is sufficiently exchanged heat by heat exchanger tube 2, is absorbed lime-ash heat, ash temperature drops to 100 DEG C or so；It is absorbing heat
Working medium end enters heat exchanger tube 2 by cold water pipes 4 from softening water station cold water, absorbs lime-ash heat, pass through hot water after being heated
Pipeline 7 enters deaerating type of cycles, participates in boiler steam and water circuit circulation.
The device further includes the lime-ash recovered temperature meter 3 set on 2 lower section of heat exchanger tube, and lime-ash recovered temperature meter 3 is convenient for monitoring
Ash temperature.It further include the hot and cold water thermometer 5 on cold water pipes 4 and/or hot water pipeline 7, hot and cold water thermometer 5 is convenient for
Monitor the temperature of water in cold water pipes 4 and/or hot water pipeline 7.The cold water pipes 4 and hot water pipeline 7 are equipped with control water flow
The waterpipe valve 6 of amount, convenient for the water flow in control cold water pipes 4 and hot water pipeline 7.
The heat exchanger tube 2 is equipped with fin, for increasing heat exchange area and disintegrating slag.Fin can increase heat exchange area, improve
Heat exchange efficiency, the tip on fin can be used to crush the lime-ash of whereabouts, further increase contact area and convenient for recycling.Wing
Piece can be helical fin, or serrated fin.
Flue gas is flowed downwardly into from the first flue 11 and is flowed upwards out again from the second flue 12, and switching process generates centrifugal force, is made
Lightweight lime-ash in flue gas is fallen.
1 bottom of shell is equipped with hinged bottom plate 8 and rotating block 81 therewith；On the bottom plate 8 and rotating block 81
Equipped with torsional spring, it is allowed to tend to horizontality；It is equipped with to be fixed in shell 1 above the rotating block 81 and is used to limit bottom plate 8
The baffle 82 of corner, the rotating block 81 can support the certain lower pressure of bottom plate 8.8 left end of bottom plate is hinged on 1 bottom of shell, bottom
8 right end of plate is overlapped on rotating block 81, and 81 right end of rotating block is hinged on 1 bottom of shell；Torsion is equipped on bottom plate 8 and rotating block 81
Spring makes bottom plate 8 and rotating block 81 under normal circumstances, tends to horizontality；I.e. horizontality when, the torsional spring on bottom plate 8 is turned round
Power just offsets the rotatory force that bottom plate 8 rotates clockwise under the effect of gravity, and the torsional spring power of torsional spring makes rotating block on rotating block 81
81 keep horizontal, and can bear the lower pressure of certain 8 right end of bottom plate；When the lime-ash that bottom plate 8 is accepted reaches certain amount, bottom
8 right end of plate pushes rotating block 81, and until the grey quantity of slag is enough to overcome the torsional spring power on rotating block 81, rotating block 81 is rotated counterclockwise,
Bottom plate 8 is detached from rotating block 81, quickly downwardly turns over, topples over lime-ash, and after lime-ash quickly slides, 8 moment of bottom plate mitigates, and in bottom plate
It on 8 under the torsion of torsional spring, rotates counterclockwise, hits rotating block 81, empty 8 right end of bottom plate enters baffle 82 and the rotation of limit
Between block 81.
The rotating block 81 is equipped with downwardly convex pouring weight and returns automatically when rotating clockwise after being rushed open by bottom plate 8
Fall on horizontality.When the disengaging rotating block 81 of bottom plate 8, quickly downwardly turns over, topple over lime-ash, after lime-ash quickly slides, 8 wink of bottom plate
Between mitigate, and rotated counterclockwise under the torsion of torsional spring on bottom plate 8, hit rotating block 81, rotating block 81 is equipped with downwardly convex
Pouring weight, after being rushed open by bottom plate 8, automatic fall-back is to horizontality when rotating clockwise.
To sum up, the present apparatus is isolated lime-ash and is deposited in shell 1, is sufficiently exchanged heat by heat exchanger tube 2, absorbs lime-ash heat,
Ash temperature drops to 100 DEG C or so；At heat absorption working medium end, enter heat exchanger tube 2 by cold water pipes 4 from softening water station cold water,
Lime-ash heat is absorbed, deaerating type of cycles is entered by hot water pipeline 7 after being heated, participates in boiler steam and water circuit circulation；Present apparatus knot
Structure is simple, convenient operating maintenance, at low cost；Lime-ash waste heat is efficiently used, and boiler efficiency is improved.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of boiler ash waste-heat recovery device, which is characterized in that including the first flue (11), the second flue (12), shell
(1), heat exchanger tube (2), cold water pipes (4) and hot water pipeline (7)；First flue (11) and the second flue (12) are parallel,
Have below by shell (1) wrap up heat exchanger tube (2), heat exchanger tube (2) both ends respectively with cold water pipes (4) and hot water pipeline
(7) it is connected.
2. a kind of boiler ash waste-heat recovery device as described in claim 1, which is characterized in that further include being set to heat exchanger tube
(2) the lime-ash recovered temperature meter (3) below.
3. a kind of boiler ash waste-heat recovery device as described in claim 1, which is characterized in that further include being set to cold water pipes
(4) the hot and cold water thermometer (5) and/or on hot water pipeline (7).
4. a kind of boiler ash waste-heat recovery device as described in claim 1, which is characterized in that the cold water pipes (4) and
Hot water pipeline (7) is equipped with the waterpipe valve (6) of control water flow.
5. a kind of boiler ash waste-heat recovery device as described in one of claim 1 ~ 4, which is characterized in that the heat exchanger tube
(2) it is equipped with fin, for increasing heat exchange area and disintegrating slag.
6. a kind of boiler ash waste-heat recovery device as described in claim 1, which is characterized in that shell (1) bottom is set
There is hinged bottom plate (8) and rotating block (81) therewith；It is equipped with torsional spring on the bottom plate (8) and rotating block (81), is allowed to equal
Tend to horizontality；The baffle for being used to limit bottom plate (8) corner being fixed in shell (1) is equipped with above the rotating block (81)
(82), the rotating block (81) can support bottom plate (8) certain lower pressure.
7. a kind of boiler ash waste-heat recovery device as claimed in claim 6, which is characterized in that set on the rotating block (81)
There is downwardly convex pouring weight, for after being rushed open by bottom plate (8), automatic fall-back is to horizontality when rotating clockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821872504.2U CN209279139U (en) | 2018-11-14 | 2018-11-14 | A kind of boiler ash waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821872504.2U CN209279139U (en) | 2018-11-14 | 2018-11-14 | A kind of boiler ash waste-heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209279139U true CN209279139U (en) | 2019-08-20 |
Family
ID=67601231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821872504.2U Active CN209279139U (en) | 2018-11-14 | 2018-11-14 | A kind of boiler ash waste-heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209279139U (en) |
-
2018
- 2018-11-14 CN CN201821872504.2U patent/CN209279139U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103225834B (en) | Boiler smoke blowdown heat pump of recovering residual heat heating system and using method thereof | |
| CN105063272B (en) | New two-period form afterheat of converter gas recovery system | |
| CN103940087B (en) | A kind of narrow gap oblateness dual coil pipes entirety condensing boiler | |
| CN203949198U (en) | The multistage retracting device of natural gas fume afterheat | |
| WO2012037828A1 (en) | Energy-saving dust collector | |
| CN104832934B (en) | A kind of boiler smoke dedusting waste heat recovering energy conserving device | |
| CN201764839U (en) | Heat-pipe apparatus for recycling smoke and waste heat | |
| CN108592072A (en) | A kind of gas fired-boiler flue gas waste heat recovery apparatus | |
| CN204593428U (en) | Boiler low-temperature fume waste-heat recovery device | |
| CN209279139U (en) | A kind of boiler ash waste-heat recovery device | |
| CN102589128B (en) | Double air inlet heat-exchange device for condensation type gas water heater | |
| CN205807468U (en) | A kind of boiler smoke heat is recycled device | |
| CN203364642U (en) | Rotary type heat accumulation condensation waste heat recovery device | |
| CN109163477A (en) | A kind of absorption type heat pump system of gas fired-boiler fume afterheat and condensate-water polishing | |
| CN202002316U (en) | Built-in vacuum hot water boiler with condensing heat recovery | |
| CN203336678U (en) | Boiler smoke discharge and waste heat recovery heat pump heating system | |
| CN102645112B (en) | Waste heat recovery system for improving efficiency of electric dust collector | |
| CN204779646U (en) | Novel two -period form converter coal gas waste heat recovery system | |
| CN202630747U (en) | Waste heat recovery system capable of improving efficiency of electric dust collector | |
| CN104315872B (en) | Boiler flue gas waste heat recycling and energy-saving device with boiler flue gas dust removing effect | |
| CN204214285U (en) | The residual heat from boiler fume having boiler smoke dustproof function concurrently reclaims energy saver | |
| CN102313474A (en) | Backflow mesh rotation type flue gas waste heat recovery and purification device | |
| CN106855249A (en) | A kind of residual neat recovering system for preventing dewpoint corrosion | |
| CN103604140B (en) | A kind of condensing environment protection warming stove of high thermal efficiency | |
| CN112361317A (en) | High-temperature fly ash waste heat recovery device and method for wastewater concentration process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |