CN104896958A - Recovery system for heat energy of exhaust gas from calcining furnace - Google Patents
Recovery system for heat energy of exhaust gas from calcining furnace Download PDFInfo
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- CN104896958A CN104896958A CN201510285990.2A CN201510285990A CN104896958A CN 104896958 A CN104896958 A CN 104896958A CN 201510285990 A CN201510285990 A CN 201510285990A CN 104896958 A CN104896958 A CN 104896958A
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- exhaust gas
- pipeline
- calcining furnace
- conveyer belt
- heat energy
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention discloses a recovery system for heat energy of exhaust gas from a calcining furnace with the purpose of avoiding the occurrence that heat energy is wasted during a calcining process of aluminum oxide. The recovery system comprises a conveyor belt, a pipeline, a de-dusting device and the calcining furnace. The calcining furnace is provided with exhaust gas outlets which are connected below the conveyor belt by means of the pipeline. The de-dusting device is located at the pipeline. Exhaust gas inlets are formed in the conveyor belt. Exhaust gas coming out of the calcining furnace is de-dusted and then aluminum oxide of the conveyor belt is pre-heated. Next, exhaust gas enters the exhaust gas inlets above the conveyor belt for further utilization. Therefore, heat energy of exhaust gas is recovered to the maximum level.
Description
Technical field
The invention belongs to field of inorganic chemical engineering, be specifically related to a kind of calciner emission heat reclaiming system.
Background technology
Aluminium oxide is as the important component part of modern industry, its important function is had at each large industry field, and high-temperature calcination aluminium oxide be with industrial aluminium hydroxide or commercial alumina for raw material, be sintered into the α-type alumina product of stable crystal form at a proper temperature; To calcine α-type aluminium oxide for raw material, through the alumina powder that ball milling is made.Product has higher fusing point, outstanding mechanical strength, hardness, high resistivity and heat conductivility.Can be widely used in as industries such as electronic equipment, structural ceramics, refractory material, high-abrasive material, polishing materials, and in the calcination process of aluminium oxide, conventional is that the burning cellar for storing things of raw material is calcined with coal, in the process, the waste gas that calcining produces has very high heat, and directly discharge causes great energy dissipation.
Summary of the invention
In order to solve the problem of thermal waste in appeal calcination process, the present invention relates to a kind of calciner emission heat reclaiming system, realizing the recycling of heat energy.
The invention provides following technical scheme: a kind of calciner emission heat reclaiming system, comprises conveyer belt, exhaust piping, dust arrester and calcining furnace; It is characterized in that: calcining furnace has waste gas outlet, it is connected to below conveyer belt by pipeline, and dust arrester is positioned on pipeline, has been provided with exhaust gas entrance above conveyer belt.
Operation principle of the present invention and beneficial effect are: be connected to below conveyer belt from the waste gas outlet waste gas out of calcining furnace by pipeline, pipeline is provided with dust arrester and carries out dedusting to waste gas, waste gas after process preheats the aluminium oxide on conveyer belt, because waste gas is that High Temperature Gas cognition up flows, the exhaust gas entrance that waste gas after heating enters above conveyer belt uses for next step, the present invention takes full advantage of the high temperature heat of calciner emission, with it, aluminium oxide is preheated, the waste of great minimizing energy, reaches the recycling of energy.
Further, pipeline of telling is high-temperature resistant pipeline, because be the condition of high temperature from calcining furnace waste gas out, general pipeline can not bear high temperature, so adopt high-temperature resistant pipeline.
Further, above described conveyer belt exhaust gas entrance be connected to below next section of conveyer belt by pipeline, this piping loop is provided with many groups.The high-temp waste gas that upper one group of exhaust gas entrance is collected is connected to below next section of conveyer belt by pipeline and preheats, and circulating line like this establishes many groups, can segmentation heat, and the heat energy recycle rate of waste gas can be reached maximum like this.
Further, described dust arrester is high temperature electrostatic dust arrester, due in calcining furnace waste gas out containing dust, needing to carry out dedusting to it could use, and because waste gas is high temperature, high temperature electrostatic dust arrester is better to its dust removing effects.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of calciner emission heat reclaiming system of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical solution of the present invention is further illustrated:
Reference numeral: conveyer belt 1, exhaust gas entrance 2, waste gas outlet 3, exhaust piping 4, calcining furnace 5, calciner emission outlet 6, dust arrester 7.
Embodiment is substantially as shown in Figure 1:
High-temp waste gas in calcining furnace 5 is discharged from calciner emission outlet 6, enter in exhaust piping 4, which is provided with dust arrester 7 and carry out dust removal process, waste gas after process is by the waste gas outlet 3 of conveyer belt 1 bottom, aluminium oxide on conveyer belt 1 is preheated, because high-temperature gas up flows, then the exhaust gas entrance 2 on conveyer belt 1 top is entered, the upper and lower waste gas gateway of conveyer belt can arrange many groups, such exhaust gas entrance 2 is connected to the waste gas outlet of next group again by pipeline 4, the heat energy that can realize recycled for multiple times waste gas like this can preheat by aluminium oxide, the recovery utilization rate of heat energy reaches maximum, cost-saving and the energy, reduce the pollution of environment.
For a person skilled in the art, under the prerequisite not departing from structure of the present invention, can also make some distortion and improvement, these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (4)
1. a calciner emission heat reclaiming system, comprise conveyer belt, exhaust piping, dust arrester and calcining furnace, it is characterized in that: calcining furnace has waste gas outlet, it is connected to below conveyer belt by pipeline, dust arrester is positioned on pipeline, has been provided with exhaust gas entrance above conveyer belt.
2. calciner emission heat reclaiming system as claimed in claim 1, is characterized in that: described pipeline is high-temperature resistant pipeline.
3. calciner emission heat reclaiming system as claimed in claim 1, is characterized in that: above described conveyer belt exhaust gas entrance be connected to below next section of conveyer belt by pipeline, this piping loop is provided with many groups.
4. calciner emission heat reclaiming system as claimed in claim 1, is characterized in that; Described dust arrester is high temperature electrostatic dust arrester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510285990.2A CN104896958A (en) | 2015-05-29 | 2015-05-29 | Recovery system for heat energy of exhaust gas from calcining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510285990.2A CN104896958A (en) | 2015-05-29 | 2015-05-29 | Recovery system for heat energy of exhaust gas from calcining furnace |
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| Publication Number | Publication Date |
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| CN104896958A true CN104896958A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510285990.2A Pending CN104896958A (en) | 2015-05-29 | 2015-05-29 | Recovery system for heat energy of exhaust gas from calcining furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108187596A (en) * | 2018-03-14 | 2018-06-22 | 德莱创节能科技（苏州）有限公司 | A kind of synthetic latex production system for recycling heat energy from waste gas |
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| US20150183686A1 (en) * | 2012-07-04 | 2015-07-02 | Thyssenkrupp Industrial Solutions Ag | Method and system for producing cement clinker from raw cement mixture |
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- 2015-05-29 CN CN201510285990.2A patent/CN104896958A/en active Pending
Patent Citations (10)
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| CN201514102U (en) * | 2009-09-22 | 2010-06-23 | 山东奥鹏工贸有限公司 | Calcination system of energy-saving rotary kiln |
| CN201819568U (en) * | 2010-09-16 | 2011-05-04 | 天津市云海碳素制品有限公司 | Pre-heating device based on flue waste heat |
| CN201992984U (en) * | 2011-03-23 | 2011-09-28 | 南京云高新型材料有限公司 | Calcining furnace |
| US20150183686A1 (en) * | 2012-07-04 | 2015-07-02 | Thyssenkrupp Industrial Solutions Ag | Method and system for producing cement clinker from raw cement mixture |
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| CN103868367A (en) * | 2012-12-18 | 2014-06-18 | 南通华兴磁性材料有限公司 | Nitrogen protection sintering kiln |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108187596A (en) * | 2018-03-14 | 2018-06-22 | 德莱创节能科技（苏州）有限公司 | A kind of synthetic latex production system for recycling heat energy from waste gas |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20180112 |
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| AD01 | Patent right deemed abandoned |