CN203657517U - Waste heat recycling device of lime kiln - Google Patents
Waste heat recycling device of lime kiln Download PDFInfo
- Publication number
- CN203657517U CN203657517U CN201320863573.8U CN201320863573U CN203657517U CN 203657517 U CN203657517 U CN 203657517U CN 201320863573 U CN201320863573 U CN 201320863573U CN 203657517 U CN203657517 U CN 203657517U
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- evaporimeter
- recycling device
- high temperature
- low temperature
- superheater
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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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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a waste heat recycling device of a lime kiln. The waste heat recycling device comprises a high temperature recycling device and a low temperature recycling device, the high temperature recycling device and the low temperature recycling device are arranged side by side, the upper part of the high temperature recycling device and the upper part of the low temperature recycling device are respectively provided with a boiler barrel, the high temperature recycling device comprises a smoke inlet, a superheater, a first evaporator and a first ash hopper, which are sequentially communicated with one another from top to bottom, the low temperature recycling device comprises a smoke outlet, a water preheater, a second evaporator and a second ash hopper, which are sequentially communicated with one another from top to bottom, the first ash hopper is communicated with the second ash hopper, the boiler barrel is respectively connected with the superheater, the first evaporator, the second evaporator and the water preheater through a pipeline to form a cycling loop. By adopting the waste heat recycling device, the waste heat of the smoke of the lime kiln can be effectively recycled, the utilization rate of the energy can be increased, and the environmental pollution and the energy waste can be reduced; moreover, the high temperature recycling device and the low temperature recycling device are arranged side by side, so that the structure is compact, and the size is small.
Description
Technical field
The utility model belongs to industrial furnace residual heat and utilizes technical field, and specifically, the utility model relates to a kind of lime kiln residual heat recovery device.
Background technology
Exist in industries such as metallurgy, building materials, chemical industry, machinery, light industry and food the residual heat resources that have a large capacity and a wide range, these waste heats are recycled, can greatly save the energy resource consumption of China, reduce the discharge of pollutant simultaneously.Building material industry is typical highly energy-consuming industry, and because industry development is rapid, the waste heat of building materials stove is very abundant, and available potentiality are very huge.Take limekiln as example, the industry such as steel and iron industry, calcium carbide industry, aluminum oxide industry, refractory material are all lime consumption rich anies influential family, because this industry is in recent years with 20% speed increment, have driven the high speed development in limekiln.At present, limekiln more than national 600t/d has 100, and the whole nation is with annual 10% speed increment.In process of production, smog discharge temperature is high for the large-scale active lime production line of domestic 600-1200t/d, is about 240～260 DEG C; Dust contained flue gas granularity is large, can reach 20mm.The waste heat of this part flue gas is effectively utilized, can greatly reduce energy waste, increase economy and the feature of environmental protection in limekiln.
Utility model content
The purpose of this utility model is for the problems referred to above, and a kind of lime kiln residual heat recovery device is provided, and can not get effective utilization to solve existing lime kiln afterheat, causes the problem of the wasting of resources.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of lime kiln residual heat recovery device, comprise high temperature retracting device and low temperature retracting device, described high temperature retracting device, low temperature retracting device is arranged side by side, and high temperature retracting device, the top of low temperature retracting device is provided with drum, described high temperature retracting device comprises the gas approach being communicated with successively from top to bottom, superheater, the first evaporimeter, the first ash bucket, described low temperature retracting device comprises the exhanst gas outlet being communicated with successively from top to bottom, water preheater, the second evaporimeter, the second ash bucket, described the first ash bucket is connected with the second ash bucket, described drum by pipeline respectively with superheater, the first evaporimeter, the second evaporimeter, water preheater forms closed circuit.
Preferably, between described superheater and the first evaporimeter, be provided with high temperature changeover portion, between described the second evaporimeter, water preheater, be provided with low temperature changeover portion.
Preferably, described the first ash bucket, the second ash bucket are pyramidal structure.
Preferably, described water preheater, the first evaporimeter, the second evaporimeter, superheater are inside and are provided with the heat exchanger of fin heat exchange pipe.
Preferably, the inside of described water preheater, the first evaporimeter, the second evaporimeter, superheater is provided with pulse soot blower.
The beneficial effects of the utility model are, described lime kiln residual heat recovery device can effectively be recycled limekiln fume afterheat, improves energy utilization rate, reduces environmental pollution and energy waste, and high temperature retracting device, low temperature retracting device are arranged side by side, compact conformation, volume is little, adopts fin heat exchange pipe to carry out heat exchange, heat exchange efficiency is high, in addition, the layout of pulse soot blower has solved the problem that limekiln flue gas dust stratification causes cold end corrosion, simple in structure, be easy to realize.
Brief description of the drawings
Fig. 1 is the front view of a kind of lime kiln residual heat recovery device of the utility model;
Fig. 2 is the left view of a kind of lime kiln residual heat recovery device of the utility model.
In figure:
1, the first ash bucket; 2, exhaust gases passes; 3, the first evaporimeter; 4, high temperature changeover portion; 5, superheater; 6, gas approach; 7, drum; 8, exhanst gas outlet; 9, water preheater; 10, low temperature changeover portion; 11, the second evaporimeter; 12, the second ash bucket; 13, decline pipeline; 14, riser culverts; 15, pulse soot blower.
Detailed description of the invention
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by detailed description of the invention.
Please refer to shown in Fig. 1 and Fig. 2, Fig. 1 is the front view of a kind of lime kiln residual heat recovery device of the utility model; Fig. 2 is the left view of a kind of lime kiln residual heat recovery device of the utility model.
In the present embodiment, a kind of lime kiln residual heat recovery device, comprises high temperature retracting device and low temperature retracting device, described high temperature retracting device, low temperature retracting device is arranged side by side, and high temperature retracting device, the top of low temperature retracting device is provided with drum 7 by platform, and described high temperature retracting device comprises the gas approach 6 being communicated with successively from top to bottom, superheater 5, the first evaporimeter 3, the first ash bucket 1, is provided with high temperature changeover portion 4 between described superheater 5 and the first evaporimeter 3, and described low temperature retracting device comprises the exhanst gas outlet 8 being communicated with successively from top to bottom, water preheater 9, the second evaporimeter 11, the second ash bucket 12, described the second evaporimeter 11, between water preheater 9, be provided with low temperature changeover portion 10, described the first ash bucket 1, the second ash bucket 12 is pyramidal structure, and the first ash bucket 1 is connected with the second ash bucket 12 by exhaust gases passes 2, and described drum 7 is by riser culverts 14, decline pipeline 13 respectively with superheater 5, the first evaporimeter 3, the second evaporimeter 11, water preheater 9 forms closed circuit, described water preheater 9, the first evaporimeter 3, the second evaporimeter 11, superheater 5 is inside and is provided with the heat exchanger of fin heat exchange pipe, and water preheater 9, the first evaporimeter 3, the second evaporimeter 11, the inside of superheater 5 is provided with pulse soot blower 15.
Operation principle of the present utility model is: the waste heat flue gas in limekiln enters gas approach 6 by pipeline, enter subsequently superheater 5 carry out overheated, waste heat flue gas after overheated enters the first evaporimeter 3 by high temperature changeover portion 4, then enter the second evaporimeter 11 by exhaust gases passes 2, enter water preheater 9 through low temperature changeover portion 10 again, finally, flue gas is discharged from exhanst gas outlet 8, when work, pulse soot blower 15 purges water preheater 9, the first evaporimeter 3, the second evaporimeter 11, dirt ash on superheater 5 inner fins pipes, make to enter the first ash bucket 1, the second ash bucket 12, meanwhile, the water that drum is 7 li enters superheater 5, water preheater 9, the first evaporimeter 3, the second evaporimeter 11 through decline pipeline 13, and after flue gas heat exchange, the steam of generation enters drum 7 by riser culverts 14, completes whole circulation.
Above embodiment has just set forth general principle of the present utility model and characteristic; the utility model is not limited by above-described embodiment; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various variations and change, and these variations and change all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a lime kiln residual heat recovery device, it is characterized in that: comprise high temperature retracting device and low temperature retracting device, described high temperature retracting device, low temperature retracting device is arranged side by side, and high temperature retracting device, the top of low temperature retracting device is provided with drum, described high temperature retracting device comprises the gas approach being communicated with successively from top to bottom, superheater, the first evaporimeter, the first ash bucket, described low temperature retracting device comprises the exhanst gas outlet being communicated with successively from top to bottom, water preheater, the second evaporimeter, the second ash bucket, described the first ash bucket is connected with the second ash bucket, described drum by pipeline respectively with superheater, the first evaporimeter, the second evaporimeter, water preheater forms closed circuit.
2. a kind of lime kiln residual heat recovery device according to claim 1, is characterized in that: between described superheater and the first evaporimeter, be provided with high temperature changeover portion, between described the second evaporimeter, water preheater, be provided with low temperature changeover portion.
3. a kind of lime kiln residual heat recovery device according to claim 1, is characterized in that: described the first ash bucket, the second ash bucket are pyramidal structure.
4. a kind of lime kiln residual heat recovery device according to claim 1, is characterized in that: described water preheater, the first evaporimeter, the second evaporimeter, superheater are inside and are provided with the heat exchanger of fin heat exchange pipe.
5. a kind of lime kiln residual heat recovery device according to claim 1, is characterized in that: the inside of described water preheater, the first evaporimeter, the second evaporimeter, superheater is provided with pulse soot blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863573.8U CN203657517U (en) | 2013-12-25 | 2013-12-25 | Waste heat recycling device of lime kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863573.8U CN203657517U (en) | 2013-12-25 | 2013-12-25 | Waste heat recycling device of lime kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203657517U true CN203657517U (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320863573.8U Expired - Fee Related CN203657517U (en) | 2013-12-25 | 2013-12-25 | Waste heat recycling device of lime kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203657517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671946A (en) * | 2019-10-30 | 2020-01-10 | 马鞍山钢铁股份有限公司 | Anti-blocking structure and anti-blocking method of rotary hearth furnace flue gas waste heat utilization system |
-
2013
- 2013-12-25 CN CN201320863573.8U patent/CN203657517U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671946A (en) * | 2019-10-30 | 2020-01-10 | 马鞍山钢铁股份有限公司 | Anti-blocking structure and anti-blocking method of rotary hearth furnace flue gas waste heat utilization system |
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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 |
Granted publication date: 20140618 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |