CN202284912U - Novel preheating kiln - Google Patents
Novel preheating kiln Download PDFInfo
- Publication number
- CN202284912U CN202284912U CN2011204043879U CN201120404387U CN202284912U CN 202284912 U CN202284912 U CN 202284912U CN 2011204043879 U CN2011204043879 U CN 2011204043879U CN 201120404387 U CN201120404387 U CN 201120404387U CN 202284912 U CN202284912 U CN 202284912U
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- China
- Prior art keywords
- kiln
- kiln body
- steel pipe
- haydite
- novel preheating
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Abstract
The utility model discloses a novel preheating kiln, which includes a front kiln body and a rear kiln body, wherein a tubular lifting device is arranged in the front kiln body and includes a steel tube; a dividing device is fixed in the steel tube, and is used for dividing the steel tube into multiple lifting cavities; and the dividing device adopts multiple arc dividing plates. As the tubular lifting device is arranged in the preheating kiln and provided with the multiple lifting cavities for heating haydite, when the haydite is distributed in the lifting cavities for being heated, the haydite is dispersed to be uniformly heated and has sufficient heat exchange with a high-temperature tail gas emitted from a calcining kiln; the efficiency of the heat exchange is rather high; and the feeding amount of the ordinary preheating kiln is 4 ton/hour, while the feeding amount of the preheating kiln provided by the utility model is 7 ton/hour.
Description
Technical field
The utility model relates to haydite kiln technical field, relates to a kind of preheating kiln of haydite kiln in particular, and haydite is preheated.
Background technology
When utilizing haydite to make cement block, need use the haydite kiln haydite is heated, the haydite kiln furnitures have preheating kiln and two kilns of calcining kiln; Whole haydite kiln and level are certain gradient, from the preheating kiln to calcining kiln and the distance on ground diminish gradually, be provided with the thermal source that is used to heat haydite in the outlet of calcining kiln; The high-temperature flue gas that thermal source produces heats haydite, and temperature is than higher, in 1400 deg.c in the time of the haydite heating; Haydite after fully being heated by this temperature is suitable for making cement block, and the preheating kiln is in the front portion of calcining kiln, and the main flue dust tail gas (600-700 degree centigrade) of coming from calcining kiln that utilizes carries out preheating to haydite; So not only relatively energy-saving and environmental protection; And can prevent that haydite from bursting, and carries out preheating and will get up from the flue dust waste gas utilization that calcining kiln is come to haydite in roasting with the water evaporates in the haydite before roasting; Make haydite before getting into heating, have certain temperature; Also reduced the energy consumption of thermal source, still, existing preheating kiln has following weak point:
In preheating, be heated uniformly in order to make the haydite in the preheating kiln, the preheating kiln is rolling; But because preheating kiln diameter relatively thick (being generally about 2m), only some contacts with high-temperature flue gas to put into the haydite of preheating kiln, and most high-temperature flue gas to contact with haydite; Caused waste; Make that also the preheating of haydite is abundant inadequately, in heating, can produce and burst, can make that also the amount of the haydite that processes in the whole preheating kiln unit interval is few.In addition existing preheating kiln, heat preservation effect are good inadequately, at 260-280 ℃, at 400-450 ℃, waste more seriously from the temperature of preheating kiln tail gas discharged through the temperature of measuring preheating kiln charging aperture place outer wall, have increased the energy consumption of thermal source.
The utility model content
The purpose of the utility model is the weak point to prior art, and a kind of novel preheating kiln is provided, and not only can let haydite heated fully, improves the heat exchanger effectiveness of haydite and high-temperature flue gas, can also increase heating haydite amount in the unit interval.
In order to solve the problems of the technologies described above, the technical scheme of the utility model is following: novel preheating kiln, kiln body, back kiln body before comprising are provided with the tubular type raising material unit in the said preceding kiln body.
Described novel preheating kiln, described tubular type raising material unit comprises steel pipe, is fixed with feeding-distribution device in the described steel pipe, described feeding-distribution device is divided into a plurality of liftings chamber with said steel pipe.
Described novel preheating kiln, described feeding-distribution device is the cutting plate of a plurality of circular arcs.
Described novel preheating kiln, described tubular type raising material unit also comprises a tube connector that is positioned at said steel pipe, and described cutting plate one end is fixed on the said tube connector, and the other end is fixed on the inwall of described steel pipe.
Described novel preheating kiln, described feeding-distribution device is a plurality of, the axis projection of the cutting plate of two adjacent feeding-distribution devices becomes 6 °-24 ° angle a.
Described novel preheating kiln, the front end of said preceding kiln body is welded with the spiral cutting plate, and said steel pipe front end is welded with the spiral stock guide, and described steel pipe is fixed with the adpting flange welding that is fixed in the said preceding kiln body.
Described novel preheating kiln has transition kiln body between described preceding kiln body and the described back kiln body; Kiln body inner surface has a lightweight high-temperature refractory layer before described, and described back kiln body, transition kiln body inner surface are coated with refractory brick.
Described novel preheating kiln, the bottom surface of described refractory brick is fluted, is filled with the lightweight high-temperature refractory in the described groove.
Described novel preheating kiln is fixed with the gripper shoe that is enclosed within on the said steel pipe in the described preceding kiln body.
Described novel preheating kiln, the tubular type raising material unit that is arranged in the said preceding kiln body is 3-6.
The utility model beneficial effect is:
1) be provided with the tubular type raising material unit in the utility model preheating kiln, it has a plurality of lifting chambeies to the haydite heating tubular type raising material unit, in the heating haydite; Haydite is distributed in these lifting chambeies, so just makes that haydite spreads out, and it is more even to be heated; More abundant with the heat exchange of the high-temperature tail gas of coming from calcining kiln; The efficient of heat exchange is than higher, and it is very little to burst probability in the time of roasting, and common preheating kiln inlet amount is 4 tons/hour; And the preheating kiln of the utility model, inlet amount is 7 tons/hour.
2) adopt the lightweight high-temperature refractory to replace conventional refractory brick at preceding kiln body inner surface; Strengthened heat preservation effect; Kiln body, transition kiln body inner surface cover the refractory brick that the bottom has groove in the back simultaneously; And light filling high-temperature refractory in groove further reduces scattering and disappearing of heat, and tail gas and haydite heat exchange is more abundant behind measure that process is above-mentioned and the employing raising material unit; Significantly reduced the temperature of preheating kiln import department outer wall and from the temperature of preheating kiln tail gas discharged; At 150-180 ℃, at 150-200 ℃, significantly reduced scattering and disappearing of energy through the temperature of measuring preheating kiln import department outer wall from the temperature of preheating kiln tail gas discharged.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further explanation:
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of tubular type raising material unit in the utility model;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the axis projection sketch map of the cutting plate of adjacent two feeding-distribution devices;
Fig. 5 is the schematic perspective view after feeding-distribution device and tube connector are fixed;
Fig. 6 is the B-B cutaway view of Fig. 1;
Fig. 7 is the structural representation of adpting flange;
Fig. 8 is the C-C cutaway view of Fig. 1;
Fig. 9 is the structural representation of refractory brick.
Among the figure:
Kiln body before the 1-;
Kiln body behind the 2-;
3-tubular type raising material unit, 301-steel pipe, 301a-lifting chamber, 302-feeding-distribution device, 302a-cutting plate, 303-tube connector, 304-spiral stock guide;
4-transition kiln body;
5-lightweight high-temperature refractory layer;
6-refractory brick, the 601-groove;
7-lightweight high-temperature refractory;
The 8-gripper shoe;
9-spiral cutting plate;
The 10-adpting flange, the 1001-through hole.
The specific embodiment
The following stated is merely the preferred embodiment of the utility model, is not that scope to the utility model limits.
Embodiment sees accompanying drawing 1-9, novel preheating kiln, and kiln body 1, back kiln body 2 before comprising have transition kiln body 4 between described preceding kiln body 1 and the described back kiln body 2; Wherein, the external diameter of preceding kiln body 1 is 2.5m, and the external diameter of back kiln body 2 is 2m; Transition kiln body 4 then is positioned between the two, is a taper, and front and back kiln body is coupled together; Kiln body 1 inner surface has a lightweight high-temperature refractory layer 5 before described; Lightweight high-temperature refractory layer 5 is a kind of in polycrystalline mullite fibre, polycrystalline alumina fiber, the ceramic fibre, is used to reduce scattering and disappearing of heat, and described back kiln body 2, transition kiln body 4 inner surfaces are coated with refractory brick 6.See accompanying drawing 9, same, in order to reduce scattering and disappearing of heat, fluted 601 in the bottom surface of described refractory brick 6, as can be seen from the figure, groove 601 is two, in these two grooves 601, is filled with lightweight high-temperature refractory 7.Lightweight high-temperature refractory 7 is polycrystalline mullite fibre or polycrystalline alumina fiber or ceramic fibre.
Be provided with tubular type raising material unit 3 in the kiln body 1 before said, general, in preceding kiln body 1, be provided with 3-6 tubular type raising material unit 3; Can find out that from accompanying drawing 8 in this embodiment, (quantity is according to the decision of the size of preceding kiln body to be provided with four tubular type raising material units 3 in the preceding kiln body 1; If preceding kiln body is smaller, then can be 1,2, if bigger;, can be 4,5,6,7 etc. a plurality of, certainly; Also can the diameter that tubular type raising material unit 3 is done is a little bit smaller, how placement is several in preceding kiln body, concrete quantity will be confirmed according to actual conditions).Described tubular type raising material unit 3 comprises steel pipe 301, is fixed with feeding-distribution device 302 in the described steel pipe 301, and described feeding-distribution device 302 is divided into a plurality of liftings chamber 301a with said steel pipe 301.Described feeding-distribution device 302 is the cutting plate 302a of a plurality of circular arcs.Why cutting plate is circular arc, is that cutting plate deforms under the situation of high temperature easily because in the work of reality; Have the phenomenon of expanding with heat and contract with cold to take place, if cutting plate is straight plate, it can deform when being heated so/cooling off; Influence the heats of haydite, and the cutting plate of the utility model is a circular arc, can produces certain remedying distortion; To avoid that the heating of haydite is produced harmful effect; And the plate of circular arc increased surface area with respect to straight plate, helps the carrying out of heat exchange.Can find out that from accompanying drawing 3 in this embodiment, cutting plate 302a is three; All be circular arc, said steel pipe 301 is divided into 3 lifting chamber 301a, certainly; Cutting plate can be 4,5,6 ... Individual, corresponding, steel pipe 301 is divided into 4,5,6 ... Individual lifting chamber 301a; A tube connector 303 is arranged in described steel pipe 301, and described cutting plate 302a one end is fixed on the said tube connector 303, and the other end is fixed on the inwall of described steel pipe 301.Cutting plate 302a generally is fixing with mode and the said tube connector of welding and steel pipe.General; Described feeding-distribution device 302 is a plurality of; To be 10 (can also be 1,2,3,4,5,6,7,8 etc. to feeding-distribution device 302 in this embodiment; Concrete quantity is confirmed according to actual conditions), the axis projection of the cutting plate 302a of two adjacent feeding-distribution devices 302 becomes 6 °-24 ° angle a.When haydite got into next feeding-distribution device by previous feeding-distribution device like this, the quilt that the haydite in each lifting chamber has part exchanged each other, makes haydite heated more abundant, has further improved the heat exchanger effectiveness of haydite and tail gas.Wherein, Preferred implementation is in this area: angle a is 12 °, from accompanying drawing 8, can find out, when angle a is 12 °; The cutting plate of 10 feeding-distribution devices 302 has been divided into a plurality of areolas with whole steel pipe inner chamber, is convenient to haydite and high-temperature flue gas heat exchange.
See accompanying drawing 6, be welded with spiral cutting plate 9 at the front end of preceding kiln body 1, the quantity of spiral cutting plate 9 is 8; In the kiln body, spiral cutting plate 9 is used for the haydite of kiln body 1 before getting into is distributed, is transported in the tubular type raising material unit before being distributed on, and said steel pipe 301 front ends are welded with spiral stock guide 304; Spiral stock guide 304 also is 8, and the haydite that gets in the tubular type raising material unit is distributed, carries, the adpting flange 10 before the rear end of spiral cutting plate 9 has to be fixed in the kiln body 1; Through hole 1001 is arranged on the adpting flange 10, see accompanying drawing 7, in this embodiment; Through hole is four; The steel pipe of corresponding four tubular type raising material units, the front end of described steel pipe 301 extend in the through hole 1001, utilizes the welding rod welding fixing.Like this, the front end of steel pipe 301 just has been fixed, and has guaranteed that also the haydite of coming in can only pass through from steel pipe 301; In order to guarantee that in work, the steel pipe fixing for an end plays enough supports, also be fixed with gripper shoe 8 in the described preceding kiln body 1; In this embodiment, the quantity of gripper shoe 8 is 12, three positions of kiln body 1 before being fixedly installed on; The through hole of diameter greater than steel pipe 301 arranged on the gripper shoe 8, see accompanying drawing 8, the quantity of the through hole of gripper shoe 8 is four; Equate with the quantity of steel pipe, be enclosed within on the said steel pipe 301, play certain supporting role for steel pipe 301 through these four through hole gripper shoes 8.
Claims (10)
1. novel preheating kiln, kiln body (1), back kiln body (2) is characterized in that: be provided with tubular type raising material unit (3) in the kiln body (1) before said before comprising.
2. novel preheating kiln according to claim 1; It is characterized in that: described tubular type raising material unit (3) comprises steel pipe (301); Be fixed with feeding-distribution device (302) in the described steel pipe (301), described feeding-distribution device (302) is divided into a plurality of liftings chamber (301a) with said steel pipe (301).
3. novel preheating kiln according to claim 2 is characterized in that: described feeding-distribution device (302) is the cutting plate of a plurality of circular arcs (302a).
4. novel preheating kiln according to claim 3; It is characterized in that: described tubular type raising material unit (3) also comprises a tube connector (303) that is positioned at said steel pipe (301); Described cutting plate (302a) end is fixed on the said tube connector (303), and the other end is fixed on the inwall of described steel pipe (301).
5. novel preheating kiln according to claim 3 is characterized in that: described feeding-distribution device (302) is for a plurality of, and the axis projection of the cutting plate (302a) of adjacent two feeding-distribution devices (302) becomes 6 °-24 ° angle a.
6. novel preheating kiln according to claim 2; It is characterized in that: the front end of kiln body (1) is welded with spiral cutting plate (9) before said; Said steel pipe (301) front end is welded with spiral stock guide (304), and described steel pipe (301) is fixing with adpting flange (10) welding that is fixed in the said preceding kiln body (1).
7. novel preheating kiln according to claim 1 is characterized in that: between kiln body (1) and the described back kiln body (2) transition kiln body (4) is arranged before described; Kiln body (1) inner surface has a lightweight high-temperature refractory layer (5) before described, and described back kiln body (2), transition kiln body (4) inner surface are coated with refractory brick (6).
8. novel preheating kiln according to claim 7 is characterized in that: the bottom surface of described refractory brick (6) fluted (601) are filled with lightweight high-temperature refractory (7) in the described groove (601).
9. novel preheating kiln according to claim 2 is characterized in that: be fixed with the gripper shoe (8) that is enclosed within on the said steel pipe (1) in the kiln body (1) before described.
10. novel preheating kiln according to claim 1 is characterized in that: the tubular type raising material unit (3) that is arranged in the said preceding kiln body (1) is 3-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204043879U CN202284912U (en) | 2011-10-21 | 2011-10-21 | Novel preheating kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204043879U CN202284912U (en) | 2011-10-21 | 2011-10-21 | Novel preheating kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202284912U true CN202284912U (en) | 2012-06-27 |
Family
ID=46296431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204043879U Expired - Lifetime CN202284912U (en) | 2011-10-21 | 2011-10-21 | Novel preheating kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202284912U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103396095A (en) * | 2013-07-30 | 2013-11-20 | 江苏宝能建筑材料有限公司 | Lake sludge brick-making technology |
| CN106197026A (en) * | 2016-08-26 | 2016-12-07 | 洛阳麦德陶粒有限公司 | A kind of haydite heater |
-
2011
- 2011-10-21 CN CN2011204043879U patent/CN202284912U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103396095A (en) * | 2013-07-30 | 2013-11-20 | 江苏宝能建筑材料有限公司 | Lake sludge brick-making technology |
| CN106197026A (en) * | 2016-08-26 | 2016-12-07 | 洛阳麦德陶粒有限公司 | A kind of haydite heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120627 |