CN2667434Y - Continuous rotary furnace and kiln - Google Patents
Continuous rotary furnace and kiln Download PDFInfo
- Publication number
- CN2667434Y CN2667434Y CN 03210256 CN03210256U CN2667434Y CN 2667434 Y CN2667434 Y CN 2667434Y CN 03210256 CN03210256 CN 03210256 CN 03210256 U CN03210256 U CN 03210256U CN 2667434 Y CN2667434 Y CN 2667434Y
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- Prior art keywords
- revolution
- stove
- heater
- spiral baffle
- continuity
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Abstract
The utility model relates to a continuous rotary kiln which mainly solves the problem in the previous art that the burned materials of a continuous rotary kiln have different detention times. The utility model adopts a technical proposal that a spiral baffle is arranged in a kiln body of a continuous rotary kiln to firmly coat with the inner wall of the kiln body, with a height larger than the height of a material bed coat in a drum, thereby solving the problem much better. The utility model can be applied in the industrial production of the burning of activators and activator carriers.
Description
Technical field
The utility model relates to a kind of continuity revolution stove, particularly about a kind of continuity revolution stove that is used for calcined catalyst or catalyst carrier.
Background technology
Roasting is the key operation in the catalyst preparation process.The roasting process of catalyst and catalyst carrier carries out in static equipment usually, as muffle furnace, tunnel cave etc.Because the swinging stove can play the effect of stirring, mixing to material, thereby catalyst and catalyst carrier being heated betwixt is more even; Because the waste gas that catalyst produces in roasting process will in time discharge, even in some special occasions, catalyst also requires to carry out roasting under certain atmosphere, roasting apparatus structurally needs better seal like this, because the phenomenon of the device interior temperature distributing disproportionation that air draft or air blast cause, the swinging stove is easier in this meets the demands to reduce.Therefore, the combination property that adopts swinging stove calcined catalyst and catalyst carrier to be obtained is better than roasting in static equipment.
Yet people lack the understanding of system for the mobility status of bulk cargo for a long time, and reason is the research system not of bulk cargo itself on the one hand, is to characterize the mobile ways and means of bulk cargo because still lack consistent test at present on the other hand.From the engineering application point of view, the main purpose that the research bulk cargo flows in continuity revolution stove is to obtain the mean residence time of bulk cargo in stove and the computational methods of time of staying variance (important indicator of reflection time of staying intensity); In the two, the latter is very important for the roasting process of catalyst and catalyst carrier, because the roasting time and the temperature of catalyst and catalyst carrier are emphasized " just right ", can cross then too lately especially, be to weigh the key index whether roasting apparatus is applicable to catalyst and catalyst carrier roasting so guarantee the intensity of the time of staying.
Having introduced a kind of among the Chinese patent CN2209674Y is the magnesian rotary calcining stove of fuel continuously preparing light with the coal.The main improvement is to have adopted coal-fired fire grate in the document, in stove one's parents portion horizontal fireguard and vertical fireguard is set, flap, the lower flap portion etc. gone up spaced apart vertically around the converter cylindrical shell.It is the combination of Roarykiln and calcining kiln, improves calcination efficiency and mechanization level to reach, and reduce energy consumption, but it can not solve the problem that residence time of material disperses.Introduced a kind of electric heating rotary furnace for ferromagnetic materials among the Chinese patent CN2291632Y.By press dress initiatively support roller and passive support roller under cylindrical shell, initiatively support roller and transmission device link, and make the reciprocal rotation of cylindrical shell in the document, reach the thermally equivalent purpose, this mode of operation belongs to intermittently operated, can guarantee the centrality of residence time of material, but can not produce continuously, energy consumption is relatively large, production efficiency is relatively low, and energy consumption is bigger during rotation simultaneously back and forth, and back and forth the rotation material turning is violent, making needs to keep the material of definite shape and particle size to be difficult to adapt to, and.Introduced a kind of outer heating rotary kiln among the Chinese patent CN2317453Y.Adopt the screw(-type) feeder charging to replace the inclined tube charging in the document, go out feed bin simultaneously and be installed in and have on the elastic bellows, storage bin is installed wheel down, and exhaust tube is installed in out feed bin top.But this utility model has no idea to guarantee the problem that the time of staying of roasting material in stove concentrates equally.
Summary of the invention
Technical problem to be solved in the utility model is the uneven problem of the time of staying that has the roasting material in the continuity revolution stove in the conventional art, and a kind of new continuity revolution stove is provided.These continuity rotary furnace kiln furnitures have can make the roasting material keep the even time of staying in the revolution stove, thereby makes the reliable and stable characteristics of roasting quality.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows: a kind of continuity revolution stove, comprise feed arrangement, revolution body of heater and drawing mechanism, and feed arrangement, revolution body of heater and drawing mechanism are supported by furnace body support; Space in the revolution body of heater constitutes Flow of Goods and Materials and heated zone, by the furnace body support supporting, Power Drive Unit also is housed on rotating cylinder, spiral baffle wherein is set in rotating cylinder, spiral baffle and inboard wall of furnace body fit tightly, and its height is greater than bed of material layer height in the rotating cylinder.
In the technique scheme, the pitch of spiral baffle is equidistant; Spiral baffle is fixed in the revolution inboard wall of furnace body makes that the axial speed of related movement between body of heater and the helical baffle is non-vanishing; The length of spiral baffle is equal to or greater than the rotary furnace body length; The material of spiral baffle is metal material or refractory material.
In the utility model, because spiral baffle is set in rotating cylinder, retrained the random motion of roasting material in the revolution stove, thereby guaranteed the intensity of roasting material at continuity rotary furnace kiln residence time, promptly guaranteed the uniformity of roasting material time of staying in the revolution stove, thereby guaranteed the reliable and stable of roasting quality, obtained better technical effect.
Description of drawings
Fig. 1 is an external heating type continuity revolution stove structural representation of the present utility model.
Fig. 2 is the part sectioned view of the utility model Fig. 1
Fig. 3 makes the schematic diagram of radial motion in continuity revolution stove for the roasting material.
Among Fig. 1, Fig. 2 or Fig. 3: 1 is air exhausting device, and 2 is drawing mechanism, and 3 are the revolution body of heater, and 4 is spiral baffle, and 5 is heating jacket, and 6 is drive unit, and 7 is feed arrangement, and 8 is support.
As Fig. 1, under drive unit 6 drives, continuity rotary furnace kiln body 5 is done to slowly run, by feed arrangement 7 send into the catalyst of stove rotating cylinder 3 and catalyst carrier particle self and and inboard wall of furnace body between the frictional force acting in conjunction under, taken to behind the certain altitude along the landing of bed of material laminar surface by body of heater.The all gradient adjusting device of traditional swinging stove, purpose are to make particle rely on the deadweight of self to be slided to discharge end by feed end, and this angle of inclination all quite little (2 °～5 °) usually are so corresponding weight component also is quite little.For continuity revolution stove without any inner member, thisly take up at each particle, in the process of landing, the individual behavior of particle and the rerum natura of particle, shape have very big relation, therefore, although particle integral body has from the trend of feed end to the discharge end motion, with regard to a certain moment and a certain position, particle has the possibility of advancing, pausing even falling back, make each intergranular relative distance that the chance that enlarges gradually be arranged, thereby cause the dispersion of the particle time of staying.After adding helical baffle 4, because height of baffle plate is higher than bed of material layer height in the stove, the position that landing was got off after the particle that is in certain spiral shell square was taken up still is in the original spiral shell square, and can not fall into the material of other spiral shell squares, i.e. words for the treatment of as a unit with the material in each spiral shell square, in material advanced process, the relative position of each unit can not change, thereby had guaranteed the centrality of the particle time of staying.
Below by embodiment the utility model is further elaborated.
The specific embodiment
[embodiment 1]
Certain catalytic cracking catalyst, particle diameter 50～100 orders, adopt swinging stove roasting as shown in Figure 1, it comprises feed arrangement 7, revolution body of heater 3 and drawing mechanism 2, feed arrangement 7, revolution body of heater 3 and drawing mechanism 2 are by furnace body support 8 supportings, respectively there is an air exhausting device 1 revolution body of heater 3 rear and front ends, the outside is surrounded by heating jacket 5, space in the revolution body of heater 3 constitutes Flow of Goods and Materials and heated zone, Power Drive Unit 6 is housed on rotating cylinder, screw type baffle plate 4 is set in rotating cylinder, and spiral baffle 4 fits tightly with inboard wall of furnace body, and its height is greater than bed of material layer height in the rotating cylinder.2 rev/mins of rotating speeds add tracer with impulse method and carry out the test that the time of staying distributes, particle mean residence time 1 hour, time of staying variance 0.008 minute
2
[embodiment 2]
Certain ferripotassium series catalysts, 3 millimeters * 5 millimeters of appearance and size φ adopt swinging stove roasting as shown in Figure 1, and 0.5 rev/min of rotating speed adds tracer with impulse method and carries out the test that the time of staying distributes, particle mean residence time 4 hours, time of staying variance 0.2 minute
2
[embodiment 3]
Certain molecular sieve catalyst, 5 millimeters * 6 millimeters of appearance and size φ adopt swinging stove roasting as shown in Figure 1,0.25 rev/min of rotating speed, add tracer with impulse method and carry out the test that the time of staying distributes, particle mean residence time 8 hours, time of staying variance 0.6 minute
2
Claims (5)
1, a kind of continuity revolution stove comprises feed arrangement, revolution body of heater and drawing mechanism, and feed arrangement, revolution body of heater and drawing mechanism are supported by furnace body support; Space in the revolution body of heater constitutes Flow of Goods and Materials and heated zone, by the furnace body support supporting, Power Drive Unit also is housed on rotating cylinder, it is characterized in that in rotating cylinder, being provided with spiral baffle, spiral baffle and rotating cylinder inwall fit tightly, and its height is greater than bed of material layer height in the body of heater.
2, according to the described continuity revolution of claim 1 stove, the pitch that it is characterized in that spiral baffle is for equidistant.
3,, it is characterized in that spiral baffle is fixed in the revolution inboard wall of furnace body and makes that the axial speed of related movement of revolution body of heater and helical baffle is non-vanishing according to the described continuity revolution of claim 1 stove.
4, according to the described continuity revolution of claim 1 stove, it is characterized in that the length of spiral baffle is equal to or greater than the length of body of heater.
5, according to the described continuity revolution of claim 1 stove, the material that it is characterized in that spiral baffle is metal material or refractory material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03210256 CN2667434Y (en) | 2003-09-03 | 2003-09-03 | Continuous rotary furnace and kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03210256 CN2667434Y (en) | 2003-09-03 | 2003-09-03 | Continuous rotary furnace and kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2667434Y true CN2667434Y (en) | 2004-12-29 |
Family
ID=34325375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03210256 Expired - Lifetime CN2667434Y (en) | 2003-09-03 | 2003-09-03 | Continuous rotary furnace and kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2667434Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494535A (en) * | 2011-12-02 | 2012-06-13 | 中国科学院过程工程研究所 | Roasting rotary kiln capable of preventing rings from forming and roasting method |
| CN103353220A (en) * | 2013-04-28 | 2013-10-16 | 眉山市津鑫机电有限公司 | Converter |
| CN117989845A (en) * | 2024-04-07 | 2024-05-07 | 江苏汇能燃气催化科技有限公司 | Rotary furnace with continuous discharging structure |
-
2003
- 2003-09-03 CN CN 03210256 patent/CN2667434Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494535A (en) * | 2011-12-02 | 2012-06-13 | 中国科学院过程工程研究所 | Roasting rotary kiln capable of preventing rings from forming and roasting method |
| CN103353220A (en) * | 2013-04-28 | 2013-10-16 | 眉山市津鑫机电有限公司 | Converter |
| CN117989845A (en) * | 2024-04-07 | 2024-05-07 | 江苏汇能燃气催化科技有限公司 | Rotary furnace with continuous discharging structure |
| CN117989845B (en) * | 2024-04-07 | 2024-06-04 | 江苏汇能燃气催化科技有限公司 | Rotary furnace with continuous discharging structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130903 Granted publication date: 20041229 |