CN105352320A - Annular combustion furnace with temperature subdividing function - Google Patents
Annular combustion furnace with temperature subdividing function Download PDFInfo
- Publication number
- CN105352320A CN105352320A CN201510642984.8A CN201510642984A CN105352320A CN 105352320 A CN105352320 A CN 105352320A CN 201510642984 A CN201510642984 A CN 201510642984A CN 105352320 A CN105352320 A CN 105352320A
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- CN
- China
- Prior art keywords
- combustion furnace
- thermal insulation
- insulation board
- equiped
- furnace body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/02—Furnaces of a kind not covered by any preceding group specially designed for laboratory use
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
Abstract
The invention discloses an annular combustion furnace with a temperature subdividing function and belongs to the field of equipment for analyzing the sulfur content of combustible substances in bituminous coal. The annular combustion furnace comprises a lower combustion furnace cover, a combustion furnace body, an upper combustion furnace cover, a rotary table, a stepping motor and a rotary shaft, wherein the lower combustion furnace cover is arranged on a combustion furnace frame; the stepping motor is arranged on a motor frame; one end of the rotary shaft is connected with the rotary table, and the other end of the rotary shaft is connected with an output shaft of the stepping motor. A flange hole is formed in the center of the top of the lower combustion furnace cover, a rotary shaft hole is formed in the center of the lower combustion furnace cover in the axis direction, and second heat insulation plates are evenly arranged in the circumferential direction of the lower combustion furnace cover. Twenty crucible holes are evenly distributed in the rotary table in the circumferential direction. A third heat insulation plate and a fourth heat insulation plate are arranged between every two adjacent crucible holes. Five to ten heating resistance wires are arranged on the inner wall of the combustion furnace body. According to the annular combustion furnace, the structure is simple, the service life of the resistance wires is longer, multiple temperature zones are achieved, and the temperature subdividing function is achieved.
Description
Technical field
The present invention is mainly concerned with the analytical equipment field of sulfur content in bituminous coal combustible, refers in particular to a kind of annular firing stove with temperature segmentation function.
Background technology
The content measuring element sulphur in combustible has great importance.Classical Chinese mugwort scholar surveys sulphur method needs the crucible that Chinese mugwort scholar laboratory sample is housed to move in combustion furnace, heats 800-850 DEG C gradually, and keep 1-2h at such a temperature in 1-2h from room temperature.The bituminous coal combustion stove and accessory of prior art has single warm area tactic pattern, although achieve bituminous coal combustion function, but due to its need constantly to heat up, the process such as constant temperature, again cooling, therefore coal sample can only be measured in batch, namely first sample experiments can not put into second batch Emhorn laboratory sample before terminating in Muffle furnace.Therefore, design one has many warm areas function, but the combustion furnace realizing continuous-flow type setting out has certain meaning.
Summary of the invention
The technical problem that the present invention need solve is: the technical problem such as single warm area existed for prior art, the invention provides that a kind of structure is simple, automatic rotation transportation crucible, resistance wire life-span higher, many warm area, has the annular firing stove of temperature segmentation function.
In order to solve the problem, the solution that the present invention proposes is: a kind of annular firing stove with temperature segmentation function, it comprise be installed in the combustion furnace lower cover burnt on grate, be installed in described combustion furnace under combustion furnace body, the combustion furnace upper cover be installed on described combustion furnace body, the rotating disk being installed in combustion furnace body interior, the stepper motor be installed on motor rack, one end of covering connect the rotating shaft that the described rotating disk other end is connected with the output shaft of described stepper motor.
Described motor rack is installed in immediately below described burning grate center; Under described combustion furnace, the center of tops is provided with flange hole, and its center is provided with shaft hole in the axial direction, and circumference is evenly equiped with the second thermal insulation board; Described rotating disk is circumferentially provided with equally distributed crucible hole, is connected between two crucible holes and is equiped with the 3rd thermal insulation board and the 4th thermal insulation board; Described 3rd thermal insulation board, described 4th thermal insulation board are installed in end face and the bottom surface of described rotating disk respectively; The inwall of described combustion furnace body is equiped with 5 ~ 10 resistive heaters; Described 5 ~ 10 resistance wires are uniformly distributed along its circumference; The inside of described combustion furnace body is circumferentially equiped with 5 ~ 10 temperature sensors; 20 the first thermal insulation boards are equiped with below described combustion furnace upper cover; Gap between described first thermal insulation board and described 3rd thermal insulation board is about 2mm; Gap between described 4th thermal insulation board and described second thermal insulation board is slightly larger than 1/3rd of crucible height.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
(1) a kind of annular firing stove with temperature segmentation function of the present invention is provided with stepper motor and rotating disk, and stepper motor rotates the crucible motion driven on rotating disk, achieves and automatically enters into high-temperature region from low-temperature space.
(2) the present invention is also provided with the first thermal insulation board, the second thermal insulation board, the 3rd thermal insulation board and the 4th thermal insulation board, achieves the segmentation of the inside warm area of combustion furnace; It can thus be appreciated that the present invention is rational in infrastructure, stable movement, without the need to manual intervention, achieve continuous-flow type setting-out, extends the service life of resistance wire, saved experimental period.
Accompanying drawing explanation
Fig. 1 is a kind of structure principle chart with the annular firing stove of temperature segmentation function of the present invention.
Fig. 2 is the structural representation after rotating disk of the present invention installing the 3rd thermal insulation board.
Fig. 3 is the front view after combustion furnace lower cover of the present invention installs the second thermal insulation board.
Fig. 4 is the top view after combustion furnace lower cover of the present invention installs the second thermal insulation board.
In figure, 1-burning grate; 2-combustion furnace body; 3-combustion furnace upper cover; 31-the first thermal insulation board; 4-combustion furnace lower cover; 41-flange hole; 42-the second thermal insulation board; 43-shaft hole; 5-rotating disk; 51-crucible hole; 52-the three thermal insulation board; 53-the four thermal insulation board; 6-rotating shaft; 61-ring flange; 7-bearing; 8-motor rack; 9-stepper motor; 10-shaft coupling.
Detailed description of the invention
Below with reference to the drawings and specific embodiments, the present invention is described in further detail.
Shown in Figure 1, a kind of annular firing stove with temperature segmentation function of the present invention, comprise be installed in the combustion furnace lower cover 4 on burning grate 1, the combustion furnace body 2 be installed on combustion furnace lower cover 4, the combustion furnace upper cover 3 be installed on combustion furnace body 2, the rotating disk 5 being installed in combustion furnace body 2 inside, the stepper motor 9 be installed on motor rack 8, one end connect the rotating shaft 6 that rotating disk 5 other end is connected with the output shaft of stepper motor 9; Stepper motor 9 drives rotating disk 5 to rotate by rotating shaft 6, and then drives the crucible be positioned in crucible hole 51 to rotate together.
Composition graphs 1, Fig. 3 and Fig. 4, motor rack 8 of the present invention is installed in immediately below burning grate 1 center; The center at combustion furnace lower cover 4 top is provided with flange hole 41, and its center is provided with shaft hole 43 in the axial direction, and circumference is evenly equiped with the second thermal insulation board 42; When stepper motor rotates and stops, the first thermal insulation board 31 aligns with the 4th thermal insulation board 52, and the second thermal insulation board 42 aligns with the 3rd thermal insulation board 52.
Composition graphs 1 and Fig. 2, rotating disk 5 is circumferentially provided with equally distributed 20 crucible holes 51, is connected between two crucible holes 51 and is equiped with the 3rd thermal insulation board 52 and the 4th thermal insulation board 53; 3rd thermal insulation board 52, the 4th thermal insulation board 53 are installed in end face and the bottom surface of rotating disk 5 respectively; The inwall of combustion furnace body 2 is equiped with 5 ~ 10 resistive heaters; 5 ~ 10 resistance wires are uniformly distributed along its circumference; The inside of combustion furnace body 2 is circumferentially equiped with 5 ~ 10 temperature sensors; Temperature sensor is for detecting the temperature of the inner corresponding site of combustion furnace body 2, and 5 ~ 10 resistance wires circumferentially heat, and forms the linear increment trend from room temperature to 850 degrees Celsius.
Composition graphs 1, Fig. 2, Fig. 3 and Fig. 4, be equiped with 20 the first thermal insulation boards 31 below combustion furnace upper cover 3; Gap between first thermal insulation board 31 and the 3rd thermal insulation board 52 is about 2mm, so as rotating disk 5 rotate and heat insulation; Gap between 4th thermal insulation board 53 and the second thermal insulation board 42 slightly larger than 1/3rd of crucible height so that the crucible being positioned at crucible hole 51 passes through just.
Claims (1)
1. one kind has the annular firing stove of temperature segmentation function, it is characterized in that: comprise the combustion furnace lower cover (4) be installed in burning grate (1), be installed in the combustion furnace body (2) on described combustion furnace lower cover (4), be installed in the combustion furnace upper cover (3) on described combustion furnace body (2), be installed in the rotating disk (5) that combustion furnace body (2) is inner, be installed in the stepper motor (9) on motor rack (8), one end connects the rotating shaft (6) that described rotating disk (5) other end is connected with the output shaft of described stepper motor (9), described motor rack (8) is installed in immediately below described burning grate (1) center, the center at described combustion furnace lower cover (4) top is provided with flange hole (41), and its center is provided with shaft hole (43) in the axial direction, and circumference is evenly equiped with the second thermal insulation board (42), described rotating disk (5) is circumferentially provided with equally distributed 20 crucible holes (51), is connected between two crucible holes (51) and is equiped with the 3rd thermal insulation board (52) and the 4th thermal insulation board (53), described 3rd thermal insulation board (52), described 4th thermal insulation board (53) are installed in end face and the bottom surface of described rotating disk (5) respectively, the inwall of described combustion furnace body (2) is equiped with 5 ~ 10 resistive heaters, described 5 ~ 10 resistance wires are uniformly distributed along its circumference, the inside of described combustion furnace body (2) is circumferentially equiped with 5 ~ 10 temperature sensors, 20 the first thermal insulation boards (31) are equiped with below described combustion furnace upper cover 3, gap between described first thermal insulation board (31) and described 3rd thermal insulation board (52) is about 2mm, gap between described 4th thermal insulation board (53) and described second thermal insulation board (42) is slightly larger than 1/3rd of crucible height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510642984.8A CN105352320B (en) | 2015-09-30 | 2015-09-30 | A kind of annular firing stove that function is segmented with temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510642984.8A CN105352320B (en) | 2015-09-30 | 2015-09-30 | A kind of annular firing stove that function is segmented with temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105352320A true CN105352320A (en) | 2016-02-24 |
| CN105352320B CN105352320B (en) | 2017-09-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510642984.8A Active CN105352320B (en) | 2015-09-30 | 2015-09-30 | A kind of annular firing stove that function is segmented with temperature |
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| Country | Link |
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| CN (1) | CN105352320B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101059524A (en) * | 2007-05-31 | 2007-10-24 | 长沙三德实业有限公司 | Industrial analysis instrument for parallel test |
| CN201096762Y (en) * | 2007-10-29 | 2008-08-06 | 株洲职业技术学院 | Diversified quick testing analyzer for coal quality |
| KR101364000B1 (en) * | 2012-11-14 | 2014-02-17 | 한국에너지기술연구원 | Coal spontaneous combustion measuring apparatus |
| CN104764672A (en) * | 2015-03-30 | 2015-07-08 | 常州大学 | Equipment capable of automatically testing moisture of bituminous coal |
| CN104792809A (en) * | 2015-03-30 | 2015-07-22 | 常州大学 | Equipment for automatically testing ash content of bituminous coal |
-
2015
- 2015-09-30 CN CN201510642984.8A patent/CN105352320B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101059524A (en) * | 2007-05-31 | 2007-10-24 | 长沙三德实业有限公司 | Industrial analysis instrument for parallel test |
| CN201096762Y (en) * | 2007-10-29 | 2008-08-06 | 株洲职业技术学院 | Diversified quick testing analyzer for coal quality |
| KR101364000B1 (en) * | 2012-11-14 | 2014-02-17 | 한국에너지기술연구원 | Coal spontaneous combustion measuring apparatus |
| CN104764672A (en) * | 2015-03-30 | 2015-07-08 | 常州大学 | Equipment capable of automatically testing moisture of bituminous coal |
| CN104792809A (en) * | 2015-03-30 | 2015-07-22 | 常州大学 | Equipment for automatically testing ash content of bituminous coal |
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| Publication number | Publication date |
|---|---|
| CN105352320B (en) | 2017-09-08 |
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Effective date of registration: 20220621 Address after: 152000 forestry machinery factory in Beilin District, Suihua City, Heilongjiang Province (in the hospital) Patentee after: Suihua Boyuan Boiler Manufacturing Co.,Ltd. Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: CHANGZHOU University |
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