CN207850097U - A kind of reuse means of rotary kiln exhaust gas waste heat - Google Patents
A kind of reuse means of rotary kiln exhaust gas waste heat Download PDFInfo
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- CN207850097U CN207850097U CN201820175642.9U CN201820175642U CN207850097U CN 207850097 U CN207850097 U CN 207850097U CN 201820175642 U CN201820175642 U CN 201820175642U CN 207850097 U CN207850097 U CN 207850097U
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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
- 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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Abstract
The utility model is related to a kind of reuse means of rotary kiln exhaust gas waste heat, it includes rotary kiln exhaust gas output channel, hot-blast stove, dry kiln, coal dust transfer passage, air-supply passage, heat exchanger, electrostatic precipitator and water supply pipe, and rotary kiln exhaust gas output channel is connected by flow control valve I with hot-blast stove；Coal dust transfer passage and air-supply passage are communicated with the combustion chamber of hot-blast stove respectively, air-introduced machine I is set on coal dust transfer passage, air-supply passage is equipped with air-introduced machine II, hot-blast stove is communicated by hot blast pipe with dry kiln, the wind pipe of dry kiln is communicated with the tube side input terminal of heat exchanger, and the tube side output end of heat exchanger is communicated with electrostatic precipitator；It is communicated with water supply pipe by hose on the shell side input terminal of heat exchanger, the shell side output end of heat exchanger is equipped with main pipeline, and the output end of main pipeline is equipped at least two laterals, and the free end of lateral is equipped with nozzle；The device fully utilizes thermal energy, reduces cost, reaches energy-saving and environment-friendly purpose.
Description
Technical field
The utility model belongs to waste heat utilization technology field, and in particular to a kind of recycling dress of rotary kiln exhaust gas waste heat
It sets.
Background technology
In the industries such as metallurgy, cement, rotary kiln is widely used as a kind of drying equipment.In high temperature section, rotary kiln
Kiln body surface temperature all uses air-cooled or water-cooled cooling, a large amount of thermal energy to be directly emitted in air at present up to 1000 DEG C or more,
This not only wastes a large amount of thermal energy, also results in the high temperature pollution around kiln body.
And in industrial processes, some raw materials will could enter processing line after dry and use, currently, to original
The drying of material generally uses following two modes：First way, it would be desirable to which dry raw material is exposed under the sun, utilizes the sun
Moisture evaporation in raw material can be realized dry purpose, still, it is this shine material mode carry out raw material drying when, by
Weather is affected, and production efficiency is very low, and the quality of production also cannot be guaranteed；The second way, using dry kiln pair
Raw material is dried, and existing dry kiln includes dry cylinder, driving device, holder, and dry cylinder is arranged on holder, driving
Device setting is provided with feed inlet and exhaust pipe below dry cylinder, in dry cylinder one end, is provided with and removes on exhaust pipe
Dirt device, is additionally provided with air-introduced machine between deduster and dry cylinder, and the other end of dry cylinder is provided with feed opening and air inlet
It manages, is provided with control valve in air inlet pipe, air inlet pipe end is provided with combustion chamber, air blower is provided on combustion chamber, it is this
Dry kiln generally uses coal, fuel oil or natural gas as unique heat source, although the production efficiency of this dry kiln is higher,
It is, due to the higher price of coal, fuel oil or natural gas so that production cost greatly increases.
In view of problem above, it is badly in need of finding a kind of solution.
Utility model content
In order to solve the problems, such as that technical background is proposed, the utility model provides a kind of recycling of rotary kiln exhaust gas waste heat
Device, the system save heat source, reduce cost, fully utilize thermal energy, reach energy-saving and environment-friendly purpose.
In order to achieve the above object, the utility model uses following technical scheme：
The utility model provides a kind of reuse means of rotary kiln exhaust gas waste heat, it includes that rotary kiln exhaust gas output is logical
Road, hot-blast stove, dry kiln, coal dust transfer passage, air-supply passage, heat exchanger, electrostatic precipitator and water supply pipe turn round kiln tail
Gas output channel is connected by flow control valve I with hot-blast stove, and rotary kiln exhaust gas output channel is equipped with on-line checking channel,
Line sense channel is equipped with detection valve, and on-line checking channel is equipped with detection thermometric instrument I；The coal dust transfer passage and air-supply
Channel is communicated with the combustion chamber of hot-blast stove respectively, and air-introduced machine I is set on coal dust transfer passage, and air-supply passage is equipped with air-introduced machine II,
Hot-blast stove is communicated by hot blast pipe with dry kiln, and the wind pipe of dry kiln is communicated with the tube side input terminal of heat exchanger, heat exchanger
Tube side output end communicated with electrostatic precipitator；It is communicated, is changed with water supply pipe by hose on the shell side input terminal of heat exchanger
The shell side output end of hot device is equipped with main pipeline, and the output end of main pipeline is equipped at least two laterals, lateral
Free end is equipped with nozzle, and main pipeline is equipped with master control valve, and lateral is equipped with switch valve.
According to the reuse means of above-mentioned rotary kiln exhaust gas waste heat, the wind pipe of the dry kiln and the pipe of heat exchanger
Soot dust granule filter device is equipped between journey input terminal.
According to the reuse means of above-mentioned rotary kiln exhaust gas waste heat, water temperature inspection is additionally provided on the input terminal of the main pipeline
Test tube road, water temperature detect pipeline and are equipped with flow control valve II, and water temperature detects pipeline and is equipped with detection thermometer Table II.
According to the reuse means of above-mentioned rotary kiln exhaust gas waste heat, the outer wall of the dry kiln is coated with polyurethane heat-insulation
Layer.
According to the reuse means of above-mentioned rotary kiln exhaust gas waste heat, be equipped with air-duct clapboard in the dry kiln, air duct every
Plate is arcuate structure, and air-duct clapboard is uniformly arranged along the madial wall of dry kiln.
Compared with prior art, the beneficial effects of the utility model：
1, the utility model structure includes rotary kiln exhaust gas output channel, hot-blast stove, dry kiln, coal dust transfer passage, send
Wind channel, heat exchanger, electrostatic precipitator and water supply pipe, rotary kiln exhaust gas output channel pass through flow control valve I and hot wind
Stove is connected, and rotary kiln exhaust gas output channel is equipped with on-line checking channel, and on-line checking channel is equipped with detection valve, on-line checking
Channel is equipped with detection thermometric instrument I；The coal dust transfer passage and air-supply passage are communicated with the combustion chamber of hot-blast stove respectively, coal
Air-introduced machine I is set on powder transfer passage, air-supply passage is equipped with air-introduced machine II, and hot-blast stove is communicated by hot blast pipe with dry kiln, does
The wind pipe of dry kiln is communicated with the tube side input terminal of heat exchanger, and the tube side output end of heat exchanger is communicated with electrostatic precipitator；It changes
It is communicated with water supply pipe by hose on the shell side input terminal of hot device, the shell side output end of heat exchanger is equipped with main pipeline, main
The output end of pipeline is equipped at least two laterals, and the free end of lateral is equipped with nozzle, and main pipeline is equipped with master control
Valve, lateral are equipped with switch valve；Rotary kiln exhaust gas output channel in the structure is used to make in the tail gas in rotary kiln
It is input in hot-blast stove for heat source, is further used for dry kiln after being heated, line sense channel and detection thermometric instrument I are for examining
Exhaust temperature in survey time rotary kiln；Air-introduced machine I is used for pulverized coal conveying, and air-introduced machine II is used for input air；The discharge pipe of dry kiln
The flue gas in road is by electrostatic precipitator dust removal process；The structure fully utilizes rotary kiln exhaust gas thermal energy, reaches dry laterite
Purpose.
2, it is equipped between the tube side input terminal of heat exchanger on the wind pipe of dry kiln described in the utility model structure
Soot dust granule filter device；The design of soot dust granule filter device avoids in air-out passage and blocks heat exchange containing bulky grain flue dust
Tracheae journey；Water temperature detection pipeline is additionally provided on the input terminal of the main pipeline, water temperature detects pipeline and is equipped with flow control valve II,
Water temperature detects pipeline and is equipped with detection thermometer Table II.Water temperature sense channel and the design of thermometer Table II is detected in order to detect master
Water temperature in pipeline is convenient for utilization of the people to hot water in main pipeline, prevents the fortuitous events such as scald；The dry kiln
Outer wall is coated with polyurethane insulation coating, and the design of urethane insulating layer is convenient for the heat loss in reduction dry kiln；The dry kiln
Interior to be equipped with air-duct clapboard, air-duct clapboard is arcuate structure, and air-duct clapboard is uniformly arranged along the madial wall of dry kiln, and the structure is real
The hot wind showed in dry kiln is uniformly distributed, and realizes the evenly drying to laterite.
3, the utility model is easy to operate, economical and practical, has broad application prospects.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
Shown in Figure 1, the utility model provides a kind of reuse means of rotary kiln exhaust gas waste heat, it includes revolution
Kiln exhaust gas output channel 1, hot-blast stove 2, dry kiln 3, coal dust transfer passage 4, air-supply passage 5, heat exchanger 6,7 and of electrostatic precipitator
Water supply pipe 17, rotary kiln exhaust gas output channel 1 are connected by flow control valve I8 with hot-blast stove 2, rotary kiln exhaust gas output
Channel 1 is equipped with on-line checking channel 9, and on-line checking channel 9 is equipped with detection valve 10, and on-line checking channel 9 is equipped with detection
Thermometric instrument I11；The coal dust transfer passage 4 and air-supply passage 5 are communicated with the combustion chamber of hot-blast stove 2 respectively, and coal dust conveying is logical
Air-introduced machine I12 is set on road 4, air-supply passage 5 is equipped with air-introduced machine II13, and hot-blast stove 2 is communicated by hot blast pipe with dry kiln 3, does
The outer wall of dry kiln 3 is coated with polyurethane insulation coating 14, and air-duct clapboard 15 is equipped in dry kiln 3, and air-duct clapboard 15 is arcuate structure,
Air-duct clapboard is uniformly arranged along the madial wall of dry kiln 3, and the wind pipe of dry kiln 3 is equipped with the tube side input of heat exchanger 6
End communicates, and soot dust granule filter device 16, heat exchange are equipped between the wind pipe of dry kiln 3 and the tube side input terminal of heat exchanger 6
The tube side output end of device 6 is communicated with electrostatic precipitator 7；Pass through hose and water supply pipe 17 on the shell side input terminal of heat exchanger 6
It communicates, the shell side output end of heat exchanger 6 is equipped with main pipeline 18, and the output end of main pipeline 18 is equipped at least two laterals
19, the free end of lateral is equipped with nozzle 20, and main pipeline 18 is equipped with master control valve 21, and lateral 19 is equipped with switch valve
22；Water temperature detection pipeline 23 is additionally provided on the input terminal of the main pipeline 18, water temperature detects pipeline 23 and is equipped with flow control valve
II24, water temperature detect pipeline 23 and are equipped with detection thermometric instrument II25.
Above-described is only preferred embodiments of the present invention, it is noted that for those skilled in the art
For, under the premise of not departing from the utility model general idea, several changes and improvements can also be made, these should also be considered as
The scope of protection of the utility model.
Claims (5)
1. a kind of reuse means of rotary kiln exhaust gas waste heat, it is characterised in that it includes rotary kiln exhaust gas output channel, hot wind
Stove, dry kiln, coal dust transfer passage, air-supply passage, heat exchanger, electrostatic precipitator and water supply pipe, rotary kiln exhaust gas output
Channel is connected by flow control valve I with hot-blast stove, and rotary kiln exhaust gas output channel is equipped with on-line checking channel, on-line checking
Channel is equipped with detection valve, and on-line checking channel is equipped with detection thermometric instrument I；The coal dust transfer passage and air-supply passage point
It is not communicated with the combustion chamber of hot-blast stove, air-introduced machine I is set on coal dust transfer passage, air-supply passage is equipped with air-introduced machine II, hot-blast stove
It is communicated with dry kiln by hot blast pipe, the wind pipe of dry kiln is communicated with the tube side input terminal of heat exchanger, the tube side of heat exchanger
Output end is communicated with electrostatic precipitator；It is communicated with water supply pipe by hose on the shell side input terminal of heat exchanger, heat exchanger
Shell side output end is equipped with main pipeline, and the output end of main pipeline is equipped at least two laterals, the free end of lateral
Equipped with nozzle, main pipeline is equipped with master control valve, and lateral is equipped with switch valve.
2. the reuse means of rotary kiln exhaust gas waste heat according to claim 1, it is characterised in that：The dry kiln goes out
Soot dust granule filter device is equipped between wind pipeline and the tube side input terminal of heat exchanger.
3. the reuse means of rotary kiln exhaust gas waste heat according to claim 1, it is characterised in that：The main pipeline it is defeated
Enter to be additionally provided with water temperature detection pipeline on end, water temperature detects pipeline and is equipped with flow control valve II, and water temperature detects pipeline and is equipped with inspection
Testing temperature instrument II.
4. the reuse means of rotary kiln exhaust gas waste heat according to claim 1, it is characterised in that：Outside the dry kiln
Wall is coated with polyurethane insulation coating.
5. the reuse means of rotary kiln exhaust gas waste heat according to claim 1, it is characterised in that：It is set in the dry kiln
It is arcuate structure to have air-duct clapboard, air-duct clapboard, and air-duct clapboard is uniformly arranged along the madial wall of dry kiln.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820175642.9U CN207850097U (en) | 2018-02-01 | 2018-02-01 | A kind of reuse means of rotary kiln exhaust gas waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820175642.9U CN207850097U (en) | 2018-02-01 | 2018-02-01 | A kind of reuse means of rotary kiln exhaust gas waste heat |
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| Publication Number | Publication Date |
|---|---|
| CN207850097U true CN207850097U (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820175642.9U Active CN207850097U (en) | 2018-02-01 | 2018-02-01 | A kind of reuse means of rotary kiln exhaust gas waste heat |
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| CN (1) | CN207850097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117606225A (en) * | 2024-01-23 | 2024-02-27 | 佛山市天禄智能装备科技有限公司 | Zero-emission pre-carbonization rotary furnace utilizing waste gas for self-combustion |
-
2018
- 2018-02-01 CN CN201820175642.9U patent/CN207850097U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117606225A (en) * | 2024-01-23 | 2024-02-27 | 佛山市天禄智能装备科技有限公司 | Zero-emission pre-carbonization rotary furnace utilizing waste gas for self-combustion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A device for reusing waste heat of rotary kiln tail gas Effective date of registration: 20220829 Granted publication date: 20180911 Pledgee: China Co. truction Bank Corp Yangjiang branch Pledgor: GUANGDONG CENTURY TSINGSHAN NICKEL INDUSTRY Co.,Ltd. Registration number: Y2022440000224 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |