CN2239001Y - 新型节能烘干炉 - Google Patents
新型节能烘干炉 Download PDFInfo
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- CN2239001Y CN2239001Y CN94204451U CN94204451U CN2239001Y CN 2239001 Y CN2239001 Y CN 2239001Y CN 94204451 U CN94204451 U CN 94204451U CN 94204451 U CN94204451 U CN 94204451U CN 2239001 Y CN2239001 Y CN 2239001Y
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- chimney
- furnace
- drying
- heater
- heat recovery
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Classifications
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Drying Of Solid Materials (AREA)
Abstract
新型节能烘干炉，属于农业节能技术领域。该炉以煤为燃料，与现有同类燃煤炉相比，具有节能、热效率高、发热快、余热回收、调温迅速、使用寿命长、造价低、占地面积少、烘干热风干净等特点。整机为金属可拆式结构，由炉体、炉体余热回收管、送风系统、烟囱余热回收管、烟囱和板状复合结构换热器等构成，结构紧凑、合理。该炉主要用于为茶叶、谷物、水产品、食用菌等农副产品的烘干设备提供不同烘干温度的热源。
Description
本实用新型是关于烘干农副产品的系列节能烘干炉，属于节能技术领域。
现有国内使用的烘干炉主要有三种：列管式炉、无烟灶和三回程金属热风炉。列管式炉通过燃料直接加热铁管外壁，冷风流经管内而得到加热，这种炉热效率平均低于20％，每台制造成本高达万元以上，占地面积大，使用寿命短。每2至4年要更新炉灶，底层管道被高温火焰燃烧后易变形烧穿，每年均要检修1至2次，且管道两端易漏烟，性能不稳定，长期以来一直影响农副产品的烘干质量；无烟灶是直接用烟气烘干农产品，烟气中的3.4苯并蓖污染严重，性能不可靠，且只能烧柴；三回程热风炉在燃煤时，高温段弯管部分发生不均匀变形和过烧氧化，炉壁煤层所及区域如耐火层脱落，也易发生类似的、不均匀变形，甚至使弯管出现裂缝，另由于炉体为整体式金属结构，因此不能维修或更换零部件，且造价高。国外如美、意、英、日、丹麦等国的农副产品主要使用柴油炉、煤油炉、电加热，远红外加热、微波加热。俄、斯里兰卡、印度等国大多采用列管式燃煤炉，与我国的列管式炉一样。燃油炉造价高且油料成本贵，电加热造价高且耗电量大。
本实用新型的目的在于提供一种新型节能烘干热风炉，它克服上述的缺点，以煤或柴为燃料、热效率高、造价低、可靠耐用，经济效益好，烘干热风与烟气隔离，烘干热风干净、温度易调、可拆式螺栓联接，结构简单，易拆卸维修。
本实用新型的工作原理是：送风系统(3)吸收烟囱(5)夹层和炉体(1)中炉膛四周隔层中的余热，将被余热加热的冷风经板状复合结构换热器(6)，余热空气与烟气通过换热器逆向换热，且换热面积大，热效率高，使板状复合结构换热器(6)由炉体(1)中炉膛燃料加热，余热空气得到再次集中加热，由正压送风系统(3)经集热器(7)送出热风，该机由普通机械厂就能生产。
与现有的列管式炉或无烟灶相比，本实用新型的特点是：
1、热效率高一倍，节省50％的燃料；
2、结构简单，制造成本降低30％-50％；
3、占地面积减少50％-70％；
4、使用寿命长一倍；
5、可烧柴或烧煤；
6、操作方便可靠，劳动强度低，发热快，调温迅速，热风与烟气隔离；
7、整机为可拆式金属结构，方便搬运、安装、维修。
下面结合附图详细说明本烘干炉的具体结构及工作原理：
附图是新型节能烘干炉的装配图。
该节能炉主要包括：炉体(1)、炉体余热回收管(2)、送风系统(3)、烟囱余热回收管(4)、烟囱(5)、板状复合结构换热器(6)、集热器(7)。整机结构紧凑、合理，炉体(1)的炉膛四周为隔层结构，隔层内的冷风经隔层薄钢板传热，传递炉膛对四壁的幅射热。炉膛下部设有鼓风机。板状复合换热器(6)内部采用若干块钢板加工成V型或U型状长条弯板，将各块长条弯板焊接在一起，形成换热器，接近炉膛火焰处为焊缝，耐高温，这种结构换热面积大，余热空气流经换热器的上侧并与换热器下侧的加热烟气逆向换热，换热器(6)外部采用保温石棉板隔热，板状复合结构换热器(6)用螺栓与炉体(1)连接。烟囱(5)离地高度6米，有夹层，内层排烟，外层顶部有进风口，冷风在烟囱(5)外层与烟气在烟囱(5)内层逆向对流传热，吸收烟囱(5)余热，烟囱(5)分两段用法兰和螺栓联接，烟囱(5)下段与炉体(1)和送风系统(3)都用法兰和螺栓联接。送风系统(3)由风机、电动机和机架组成，风机与电动机固定在机架上，风机进风口与烟囱(5)夹层和炉体(1)出风口用法兰和螺栓联接。
Claims (3)
1、新型节能烘干炉由炉体(1)、炉体余热回收管(2)、送风系统(3)、烟囱余热回收管(4)、烟囱(5)和板状复合结构换热器(6)等构成，其特征在于整机各部分之间采用可拆式金属结构，炉体(1)的炉膛四周的隔层结构的出风口与烟囱(5)夹层用法兰联接，烟囱(5)的夹层与送风系统(3)的进风口用法兰联接，板状复合结构换热器(6)的端部进风口与送风系统(3)的出风口用法兰联接。
2、按权利要求1所述的烘干炉，其特征在于板状复合换热器(6)由若干块钢板焊接而成。
3、按权利要求1所述的烘干炉，其特征在于炉体(1)的炉膛四周为隔层结构。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94204451U CN2239001Y (zh) | 1994-02-21 | 1994-02-21 | 新型节能烘干炉 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94204451U CN2239001Y (zh) | 1994-02-21 | 1994-02-21 | 新型节能烘干炉 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2239001Y true CN2239001Y (zh) | 1996-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94204451U Expired - Fee Related CN2239001Y (zh) | 1994-02-21 | 1994-02-21 | 新型节能烘干炉 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2239001Y (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883537A (zh) * | 2020-07-03 | 2022-01-04 | 姚志勇 | 一种微波助燃消烟方法 |
| CN114046658A (zh) * | 2021-11-11 | 2022-02-15 | 山东瑞泰盖泽工程有限公司 | 一种具有热量回收功能的窑炉及其工艺 |
-
1994
- 1994-02-21 CN CN94204451U patent/CN2239001Y/zh not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883537A (zh) * | 2020-07-03 | 2022-01-04 | 姚志勇 | 一种微波助燃消烟方法 |
| CN114046658A (zh) * | 2021-11-11 | 2022-02-15 | 山东瑞泰盖泽工程有限公司 | 一种具有热量回收功能的窑炉及其工艺 |
| CN114046658B (zh) * | 2021-11-11 | 2023-09-08 | 山东瑞泰盖泽工程有限公司 | 一种具有热量回收功能的窑炉及其工艺 |
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| C53 | Correction of patent for invention or patent application | ||
| CB01 | Change of bibliographic data |
Design name after: Novel energy-saving drying stove Design name before: 6CHL series practical energy-saving drying oven |
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| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: MAO XIANGDONG; MAO XIANGHUA TO: MAO XIANGHUA; MAO XIANGDONG; NAME OF DESIGN; FROM: 6CHL SERIES UTILITY MODEL ENERGY-CONSERVING DRYING OVEN TO: NEW ENERGY-CONSERVING DRYING OVEN |
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| CP01 | Change in the name or title of a patent holder |
Patentee after: Mao Xianghua Patentee after: Mao Xiangdong Patentee before: Mao Xiangdong Patentee before: Mao Xianghua |
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| CU03 | Correction of utility model patent gazette |
Correction item: Patentee address Correct: Dr. 910, box 95, Beijing False: Dr. 710, box 95, Beijing Number: 44 Page: 162 Volume: 12 |
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Free format text: CORRECT: PATENTEE ADDRESS; FROM: BEIJING MAILBOX 710 DOCTOR 95 TO: BEIJING MAILBOX 910 DOCTOR 95 |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |