CN105444584B - Afterheat of slags recycle device - Google Patents
Afterheat of slags recycle device Download PDFInfo
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- CN105444584B CN105444584B CN201510977268.5A CN201510977268A CN105444584B CN 105444584 B CN105444584 B CN 105444584B CN 201510977268 A CN201510977268 A CN 201510977268A CN 105444584 B CN105444584 B CN 105444584B
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- Prior art keywords
- thermal conductive
- conductive network
- afterheat
- boiler
- slags
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a kind of afterheat of slags recycle device, including body, it is arranged on the cold water storage cistern and boiler of internal body, the bottom of the body is provided with clinker transfer passage, the boiler is on the clinker transfer passage, the cold water storage cistern is on the boiler, also include thermal conductive network, the thermal conductive network is located between clinker transfer passage and boiler, the thermal conductive network is provided with thermal conductive network water inlet pipe and thermal conductive network outlet pipe, the thermal conductive network is connected by thermal conductive network water inlet pipe with the cold water storage cistern, the thermal conductive network is connected by thermal conductive network outlet pipe with the boiler.The afterheat of slags recycle device afterheat of slags utilization ratio of the present invention is high, simple in construction, operation, easy to maintenance, strong adaptability, and good economy performance pollutes low.
Description
Technical field
The invention belongs to waste heat recovery utilizing equipment field, more particularly to a kind of afterheat of slags recycle device.
Background technology
Various industrial furnace apparatus produce substantial amounts of clinker in process of production, and these clinkers are often accompanied by substantial amounts of waste heat,
There is technical data to calculate display, the part of waste heat resource accounts for more than the 17% of its Fuel Consumption, it is seen that afterheat of slags is utilized and deposited
In tremendous potential.The utilization of afterheat of slags can both reduce the energy consumption of unit product, and environmental pollution, therefore, clinker can be reduced again
UTILIZATION OF VESIDUAL HEAT IN there is considerable economic benefit and social benefit.And the existing dress for being recycled to afterheat of slags
Put, utilization ratio is very low, especially low heat value afterheat of slags utilization ratio is lower, the amount of heat carried in clinker is all unrestrained
Take, and thermal pollution directly is caused to environment.In addition, existing afterheat of slags utilizes device, it is not specifically used to enter equipment
The structure design of row control, causes to be difficult to be controlled the use state of equipment, does not reach the mesh for making full use of afterheat of slags
's.
Utility model content
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art there is provided a kind of afterheat of slags utilization ratio
Afterheat of slags recycle device that is high, alleviating clinker thermal pollution.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of afterheat of slags recycle device, including body, the cold water storage cistern for being arranged on internal body, boiler and clinker
Transfer passage, the clinker transfer passage is under the boiler, and the cold water storage cistern is also wrapped on the boiler
Include thermal conductive network, the thermal conductive network is located between clinker transfer passage and boiler, the thermal conductive network provided with thermal conductive network water inlet pipe and
Thermal conductive network outlet pipe, the thermal conductive network is connected by thermal conductive network water inlet pipe with the cold water storage cistern, and the thermal conductive network passes through thermal conductive network
Outlet pipe is connected with the boiler.
It is used as the further improvement of above-mentioned technical proposal：
The thermal conductive network is the wave-fin pipe that single or multiple lift concatenates connection.
The volume of the cold water storage cistern is more than the volume of the boiler.
The conveying direction of the clinker transfer passage and current in the thermal conductive network are in opposite direction.
The body is provided with air inlet close to the side of thermal conductive network outlet pipe, and the air inlet is provided with air blower, described
Body is provided with exhaust outlet close to the side of thermal conductive network water inlet pipe.
The air inlet is additionally provided with air intake baffle door.
The outlet port of the exhaust outlet is provided with dust arrester.
Temperature sensor is provided with the boiler.
The afterheat of slags recycle device also includes heat-exchanger pump, the heat of the entrance of the heat-exchanger pump and the boiler
Water delivery port is connected, and the outlet of the heat-exchanger pump is connected by a recirculation pipe with the thermal conductive network water inlet pipe of the thermal conductive network, institute
Recirculation conduit is stated provided with electric control valve.
The cold water storage cistern is provided with level display device.
The afterheat of slags recycle device also includes being provided with controller and chain of command in control cabinet, the control cabinet
Plate, the input of the temperature sensor and level display device with the controller is connected, the heat-exchanger pump, air blower and
Output end of the control panel with the controller is connected.
Compared with prior art, the advantage of the invention is that：
1st, afterheat of slags recycle device of the invention, cold water storage cistern is on boiler, clinker transfer passage and heat
Thermal conductive network is provided between water tank, the thermal conductive network water inlet pipe of thermal conductive network is connected with cold water storage cistern, thermal conductive network outlet pipe and boiler phase
Even, the setting by hot and cold water tank's difference in height and increase thermal conductive network, cold water are flowed out from cold water storage cistern, and heat conduction is flowed through with certain flow velocity
Become hot water after net, with clinker heat exchange heating and inject boiler, the device afterheat of slags utilization ratio is high and simple in construction, especially
It is applicable low heat value industrial slags waste heat recovery.
2nd, thermal conductive network of the invention concatenates the wave-fin pipe of connection for single or multiple lift, and this structure can increase pair
The heat exchange area of air and the less turbulence for managing outer air, improve heat transfer effect, increase the utilization of waste heat.
3rd, cold water storage cistern of the invention is arranged in the surface of boiler, and the volume of cold water storage cistern is more than the volume of boiler, and
Cold water storage cistern volume is optimal with twice not less than boiler volume, to ensure the water in cold water storage cistern under field conditions (factors) unimpededly
Into boiler.
4th, current in afterheat of slags recycle device of the invention, the conveying direction and thermal conductive network of clinker transfer passage
In the opposite direction, the top of thermal conductive network heat exchange is the end of conveying device, and the end of thermal conductive network heat exchange is the beginning of conveying device
End, such counter-flow arrangement makes the cold water in heat conduction webmaster uniformly progressively be heated, to increase heat transfer effect.
5th, afterheat of slags recycle device of the invention, body air inlet is provided with air blower, past by air blower
The heat exchange space conveying air of body, the heat of clinker is taken in the grid of thermal conductive network and exchanged heat, both may be used using air
To increase heat transfer effect, each heating surface thermally equivalent is may insure again.
In addition, body air inlet is additionally provided with air intake baffle door, lifting that can be according to boiler water temperature and clinker heat
The situation of change in source, the wind speed into heat exchange space is controlled by adjusting the wind speed of air blower and the aperture of air intake baffle door
And air quantity, and then heat transfer effect is adjusted, adjustment effect is played to water temperature in boiler.Body exhaust outlet is provided with dust arrester, prevents
The directly discharge of dust only in clinker is so as to pollute environment.
6th, afterheat of slags recycle device of the invention, in addition to heat-exchanger pump, the entrance of heat-exchanger pump and the heat of boiler
Water delivery port is connected, and the outlet of heat-exchanger pump is connected by a recirculation pipe with the water inlet pipe of thermal conductive network.Set on recirculation conduit
There is electric control valve, the temperature of pump discharge water can be controlled by the aperture of control valve.Temperature biography is configured with boiler
Sensor, can in real time be monitored to water temperature.Will if the water temperature within the starting stage of plant running, boiler does not reach also
Ask, now need the operation to heat-exchanger pump to be configured, the valve on the outlet conduit of pump is closed, it is electronic on pump recirculation conduit
Control valve is opened, and carries out egr mode operation, and this part hot water is re-introduced into heat conduction web portal and proceeds heat exchange
Heating, is finally returned in boiler, until water temperature reaches preset value.Device is normally after operation, and hot water can pass through heat-exchanger pump
Each distributing point is transported to, for users to use.
In a word, afterheat of slags recycle device of the invention, afterheat of slags utilization ratio is high, simple in construction, operation,
Easy to maintenance, strong adaptability, good economy performance pollutes low, especially suitable low heat value industrial slags waste heat recovery.
Brief description of the drawings
Fig. 1 is the structural representation of the afterheat of slags recycle device of the present invention.
Fig. 2 is the overlooking the structure diagram of thermal conductive network in the present invention.
Marginal data：
1st, body；2nd, control cabinet；3rd, control panel；4th, controller；5th, heat-exchanger pump；6th, air intake baffle door；7th, air blower；8、
Cold water storage cistern；9th, thermal conductive network；10th, clinker conveying device；11st, temperature sensor；12nd, hot water outlet；13rd, water pipe head；14th, water
Pipe pneumostome；15th, level display device；16th, exhaust outlet；17th, thermal conductive network water inlet pipe；18th, filling pipe；19th, thermal conductive network outlet pipe；
20th, dust arrester；21st, boiler；22nd, clinker conveying cover；23rd, recirculation pipe interface；24th, electric control valve.
Embodiment
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore
And limit the scope of the invention.
Embodiment 1：
As illustrated in fig. 1 and 2, it is the afterheat of slags recycle device of the present embodiment, including body 1, is arranged in body 1
The cold water storage cistern 8 and boiler 21 in portion, the bottom of body 1 are provided with clinker transfer passage, boiler 21 located at clinker transfer passage it
On, cold water storage cistern 8 is on the boiler 21, in addition to thermal conductive network 9, thermal conductive network 9 located at clinker transfer passage and boiler 21 it
Between, thermal conductive network 9 is provided with thermal conductive network water inlet pipe 17 and thermal conductive network outlet pipe 19, and thermal conductive network 9 passes through thermal conductive network water inlet pipe 17 and cold water
Case 8 is connected, and thermal conductive network 9 is connected by thermal conductive network outlet pipe 19 with boiler 21.Pass through the setting and increasing of hot and cold water tank's difference in height
Plus thermal conductive network, cold water flows through thermal conductive network from cold water storage cistern outflow with certain flow velocity, with becoming hot water after clinker heat exchange heating and noting
Enter boiler, the device afterheat of slags utilization ratio is high and simple in construction, especially suitable low heat value industrial slags waste heat recovery.
In the present embodiment, the thermal conductive network 9 is the wave-fin pipe that single or multiple lift concatenates connection.This structure can increase
Plus the heat exchange area to air and the less turbulence for managing outer air, heat transfer effect is improved, increases the utilization of waste heat.
In the present embodiment, the volume of cold water storage cistern 8 is more than the volume of boiler 21.The volume of cold water storage cistern 8 is with not less than hot water
Twice of the volume of case 21 is optimal, to ensure that the water in cold water storage cistern unimpededly enters boiler under field conditions (factors).
In the present embodiment, the conveying direction and current in thermal conductive network 9 of clinker transfer passage are in opposite direction, to increase heat exchange effect
Really.The top of thermal conductive network heat exchange is the end of conveying device, and the end of thermal conductive network heat exchange is the top of conveying device, so
Counter-flow arrangement the cold water in heat conduction webmaster is uniformly progressively heated, to increase heat transfer effect.
In the present embodiment, body 1 is provided with air inlet close to the side of thermal conductive network outlet pipe 19, and air inlet is provided with air blower
7, body 1 is provided with exhaust outlet 16 close to the side of thermal conductive network water inlet pipe 17.Heat exchange space by air blower 7 toward body 1 is defeated
Air is sent, the heat of clinker is taken in the grid of thermal conductive network 9 using air and exchanged heat, can both increase heat transfer effect, again
It may insure each heating surface thermally equivalent.
In the present embodiment, air inlet is additionally provided with air intake baffle door 6.Lifting that can be according to the water temperature of boiler 21 and clinker
The situation of change of thermal source, is controlled by adjusting the wind speed of air blower 7 and the aperture of air intake baffle door 6 into heat exchange space
Wind speed and air quantity, and then heat transfer effect is adjusted, adjustment effect is played to water temperature in boiler 21.
In the present embodiment, the outlet port of exhaust outlet 16 is provided with dust arrester 20.It can prevent the dust in clinker from directly arranging
Put to pollute environment.
In the present embodiment, temperature sensor 11 is provided with boiler 21, for the hot water temperature in the boiler 21
Detected.
In the present embodiment, afterheat of slags recycle device also includes heat-exchanger pump 5, entrance and the boiler 21 of heat-exchanger pump 5
Hot water outlet 12 be connected, the outlet of heat-exchanger pump 5 is connected by a recirculation pipe with the thermal conductive network water inlet pipe 17 of thermal conductive network 9.
Thermal conductive network water inlet pipe 17 is provided with recirculation pipe interface 23, and recirculation pipe is connected with recirculation pipe interface 23.If in boiler
Water temperature do not reach requirement, the operation of heat-exchanger pump can be configured, valve on the outlet conduit of pump is closed, pump recirculation pipe
Valve on road is opened, and carries out egr mode operation, this part hot water, which is re-introduced into thermal conductive network 9, proceeds heat exchange
Heating, is finally returned in boiler 21, until water temperature reaches preset value.Device after operation, can normally be gone out by heat-exchanger pump 5
Mouthful the external delivery pipe of water pipe head 13, by delivery to each distributing point, for users to use.
In the present embodiment, cold water storage cistern 8 is provided with level display device 15, for being supervised to the cold water water level in cold water storage cistern
Survey；Cold water storage cistern 8 is additionally provided with filling pipe 18 and water pipe pneumostome 14, and the main function of wherein water pipe pneumostome 14 is to maintain cold water storage cistern
Interior air pressure balance, is unlikely to the top inside cold water storage cistern and produces vacuum, it is to avoid the water outlet of cold water storage cistern bottom is not smooth, filling pipe 18
It is external water source point.
In the present embodiment, afterheat of slags recycle device is also included in control cabinet 2, control cabinet 2 provided with controller 4 and control
Panel 3 processed, the input of temperature sensor 11 and level display device 15 with controller 4 is connected, heat-exchanger pump 5, the and of air blower 7
Output end of the control panel 3 with controller 4 is connected.Various parameters can be on the control panel set, water temperature, air quantity wind is realized
The automatic detection of speed etc. and regulation, it is easy to operate, safeguard simple, can be widely applied to all types of industries of low heat value dry ash extraction
In the type of furnace, it is worth of widely use.
The operation principle of the present embodiment is：Cold water storage cistern 8 passes through the external water source moisturizing of filling pipe 18, the switch of external water compensating valve
Highly controlled with high water tank it is chain, after the water level of cold water storage cistern 8 reach a certain height, cold water enter thermal conductive network 9 valve gradually beat
Open, cold water enters thermal conductive network 9.Clinker is exported after being come out from industrial furnace tail end deslagging to clinker conveying device 10, clinker conveying dress
10 are put during the clinker transfer passage through the present apparatus, on the cold water and clinker conveying device 10 of thermal conductive network 9
Clinker carries out heat convection, is entered finally by the outlet of thermal conductive network 9 in boiler 21.The TEMP configured in boiler 21
Device 11 can in real time be monitored to water temperature, be wanted if the water temperature within the starting stage of plant running, boiler 21 does not reach also
Ask, the now operation then to heat-exchanger pump 5 is configured, the valve on the outlet conduit of pump is closed, the electricity on pump recirculation conduit
Dynamic control valve 24 is opened, and carries out egr mode operation, and this part hot water is re-introduced into thermal conductive network 9 by recirculation pipe
Proceed heat exchange heating, be finally returned in boiler 21, until water temperature reaches preset value.After device is normally run, heat
Water can be transported to each distributing point by heat-exchanger pump 5, for users to use., can be according to boiler 21 during plant running
The lifting of water temperature and the situation of change of clinker thermal source, are controlled by adjusting the wind speed of air blower 7 and the aperture of air intake baffle door 6
Into the wind speed and air quantity in heat exchange space, and then heat transfer effect is adjusted, adjustment effect is played to water temperature in boiler 21.
The present invention can be arranged in industrial furnace tail end slag-drip opening to the appropriate location between slag storehouse, clinker conveying device 10
The clinker of industrial furnace tail end discharge is carried, is entered from the entrance of the clinker transfer passage of the present apparatus, cold water and stove in thermal conductive network 9
Slag is carried out after heat exchange, and the outlet of clinker conveying device 10 from clinker transfer passage comes out, and then will complete the clinker of heat exchange
It is delivered to slag storehouse or slag.The present invention is adapted to a variety of clinker conveying devices 10, the porch of clinker transfer passage
Clinker conveying cover 22 is equipped with exit, clinker conveying cover 22 connects with the outer wall of body 1, clinker conveying cover 22 and body
Overlapping part is provided with sealing device, prevents that slag ash from emerging pollution environment at lap gap.The entrance of clinker transfer passage and
Outlet size can be adjusted according to the specific size of the slagging device of the different type of furnaces.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned reality
Apply example.All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It is noted that for this technology
For the those of ordinary skill in field, improvements and modifications under the premise without departing from the principles of the invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of afterheat of slags recycle device, including body（1）, be arranged on body（1）Internal cold water storage cistern（8）, hot water
Case（21）With clinker transfer passage, it is characterised in that the clinker transfer passage is located at the boiler（21）Under, it is described cold
Water tank（8）Located at the boiler（21）On, in addition to thermal conductive network（9）, the thermal conductive network（9）Located at clinker transfer passage with
Boiler（21）Between, the thermal conductive network（9）Provided with thermal conductive network water inlet pipe（17）With thermal conductive network outlet pipe（19）, the thermal conductive network
（9）Pass through thermal conductive network water inlet pipe（17）With the cold water storage cistern（8）It is connected, the thermal conductive network（9）Pass through thermal conductive network outlet pipe（19）
With the boiler（21）It is connected.
2. afterheat of slags recycle device according to claim 1, it is characterised in that the thermal conductive network（9）For individual layer
Or the wave-fin pipe of multilayer concatenation connection.
3. afterheat of slags recycle device according to claim 2, it is characterised in that the cold water storage cistern（8）Volume
More than the boiler（21）Volume.
4. afterheat of slags recycle device according to claim 3, it is characterised in that the clinker transfer passage it is defeated
Send direction and the thermal conductive network（9）Middle current are in opposite direction.
5. afterheat of slags recycle device according to claim 4, it is characterised in that the body（1）Close to heat conduction
Net outlet pipe（19）Side be provided with air inlet, the air inlet be provided with air blower（7）, the body（1）Close to thermal conductive network
Water inlet pipe（17）Side be provided with exhaust outlet（16）.
6. afterheat of slags recycle device according to claim 5, it is characterised in that the air inlet be additionally provided with into
Windshield plate door（6）.
7. afterheat of slags recycle device according to claim 6, it is characterised in that the exhaust outlet（16）Outlet
Position is provided with dust arrester（20）.
8. the afterheat of slags recycle device according to any one of claim 1~7, it is characterised in that the boiler
（21）It is interior to be provided with temperature sensor（11）.
9. afterheat of slags recycle device according to claim 8, it is characterised in that the afterheat of slags is recycled
Device also includes heat-exchanger pump（5）, the heat-exchanger pump（5）Entrance and the boiler（21）Hot water outlet（12）It is connected,
The heat-exchanger pump（5）Outlet pass through a recirculation pipe and the thermal conductive network（9）Thermal conductive network water inlet pipe（17）Be connected, it is described again
Circulating line is provided with electric control valve（24）.
10. afterheat of slags recycle device according to claim 9, it is characterised in that the cold water storage cistern（8）Provided with liquid
Level display apparatus（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510977268.5A CN105444584B (en) | 2015-12-23 | 2015-12-23 | Afterheat of slags recycle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510977268.5A CN105444584B (en) | 2015-12-23 | 2015-12-23 | Afterheat of slags recycle device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105444584A CN105444584A (en) | 2016-03-30 |
| CN105444584B true CN105444584B (en) | 2017-07-25 |
Family
ID=55555067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510977268.5A Active CN105444584B (en) | 2015-12-23 | 2015-12-23 | Afterheat of slags recycle device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105444584B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007064498A (en) * | 2005-08-29 | 2007-03-15 | Babcock Hitachi Kk | Combustion melting furnace |
| CN101055085A (en) * | 2007-05-24 | 2007-10-17 | 张世洪 | Low pressure cooling system of cylinder type cold slag machine |
| CN201443770U (en) * | 2009-06-22 | 2010-04-28 | 鞍钢集团房产物业公司 | Waste heat recycling device for boiler |
| CN102331192A (en) * | 2011-08-29 | 2012-01-25 | 圣火科技(河南)有限责任公司 | Power generating device using waste heat of high temperature liquid material |
| CN203116047U (en) * | 2013-01-28 | 2013-08-07 | 长沙高新开发区大沅能源科技有限公司 | Water-feeding slag cooling system for efficient heat recycling boiler |
| CN204372948U (en) * | 2015-01-04 | 2015-06-03 | 上海福盼环保节能科技有限公司 | A kind of afterheat of slags recycle device |
| CN205262229U (en) * | 2015-12-23 | 2016-05-25 | 中国水利水电第八工程局有限公司 | Slag afterheat recycling device |
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2015
- 2015-12-23 CN CN201510977268.5A patent/CN105444584B/en active Active
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| CN105444584A (en) | 2016-03-30 |
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