JPH09329391A - Horizontal rotation type heating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an indirect heating type rotary heating device which is large and efficient in treatment capacity and small in size and low in construction cost. SOLUTION: This horizontal type rotary heating device is provided with a rotatable cylinder-shaped body 1 whose rotary axis 2 is substantially horizontal, having an opening 1A at least on one end of the axial direction, a partition wall 4 which segments the internal space of the cylinder-shaped body 1 thereby forming a plurality of heat treated spaces substantially in parallel to the axis 2, a plurality of guide boards 6 mounted on the partition wall 4 at a plurality of positions in the axial direction so that the device may send a heat treated material into the cylinder-shaped body 1 from the opening 1A. The partition wall 14, which serves as a border wall, is designed to form passage spaces 20 and 21 which are adjacent to the heated space. This construction makes it possible to distribute a heating fluid for heating the outer peripheral surface of the cylinder-shaped body 1 through the passage spaces 20 and 21 as well.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a physical or chemical change of a raw material or the like by heating an industrial raw material, an intermediate raw material or a waste (hereinafter referred to as “raw material or the like”) of a solid or a mixture of a solid and a liquid. The present invention relates to a horizontal rotary heating device of an indirect heating type for efficiently performing the above.

[0002]

2. Description of the Related Art For the purpose of efficiently and indirectly heating raw materials and the like as described above, the applicant has proposed a partition wall in which the internal space of a horizontal tubular body for heating the raw materials and the like is parallel to the shaft. A horizontal rotary heating device was proposed in which a plurality of guide plates that are divided by and are inclined with respect to the shaft are attached to the partition wall. Such an apparatus is disclosed in JP-A-5-264170, JP-A-5-26577, JP-A-6-238160, and JP-A-7-27160.
-144909 and JP-A-8-28836. These devices are configured as shown in FIG. 16 of the accompanying drawings.

In the apparatus shown in FIG. 16, reference numeral 51
Is a horizontal rotating tubular body made of a heat-resistant metal plate, and the tubular body 51 is supported by bearings (not shown) in the vicinity of both ends, and a substantially horizontal axis 52 is provided by a driving means (not shown). It is driven to rotate around. FIG. 16 shows an example of using a high temperature combustion gas as a heat source for heating,
The high-temperature gas flows from the combustion gas inlet 54 of the annular space between the furnace cylinder 53 and the tubular body 51, flows leftward in the annular space along the outer peripheral surface of the tubular body 51, and the tubular body After heating 51, it exits through outlet 55.

In FIG. 16, the cylindrical body 51 is provided with a plate-shaped partition wall 56 parallel to the axis 52 so as to partition the internal space thereof, and the axis 5 is provided on both sides of the partition wall 56.
Guide plates 57 that are inclined with respect to 2 are provided at a plurality of positions. Raw materials and the like are fed into the tubular body 51 from an inlet 58 provided at one end of the tubular body 51. Since the fed raw material and the like slides down the guide plate 57 while rolling in the tubular body 51, when the tubular body 51 rotates clockwise when viewed from the left end in FIG. 16, it advances to the right. After being heated, the desired physical or chemical change is completed, and the product is discharged from the outlet 59 of the tubular body 51. In this case, the guide plate installed on the opposite surface of the partition wall 56 has the same inclination as that of the guide plate shown in FIG. 16 when rotated by 180 degrees. Roll 51 and proceed to the right.

When the cylindrical body 51 is rotated 180 degrees so that the inclination of the plurality of guide plates installed on the opposite surface of the partition wall 56 is opposite to that of FIG. Since it moves to the left after being heated, the cylindrical body 51
Of both sides of the partition wall 56 in the vicinity of both ends of the partition wall 56 through the communicating portions 60 and 61 for communicating with each other.
8 is sequentially discharged from the discharge port 59 in an amount corresponding to the amount sent from 8.

[0006]

However, in the conventional apparatus shown in FIG. 16, the heating from the high temperature combustion gas as the heat source is performed only on the outer peripheral surface of the rotating tubular body 51 in order to efficiently perform the desired heating. Since the heat transfer area per unit volume of the device is not so large, a large device is required for heating a large capacity, and the construction cost of the device increases.

The present invention solves the problem of the conventional apparatus, and when indirectly heating a raw material or the like, the heat transfer area per unit volume of the apparatus is large, so that safe and stable continuous operation is possible. It is an object of the present invention to provide a horizontal rotary heating device that can be manufactured and is inexpensive to construct.

[0008]

A horizontal rotary heating apparatus according to the present invention has a rotation axis which is substantially horizontal, has an opening at least at one end in the axial direction, and is a rotatable cylindrical body which is heated by an outer peripheral surface thereof. And a partition wall that divides the internal space of the tubular body to form a plurality of heated spaces and that is substantially parallel to the axis, and is attached to the partition wall at a plurality of positions inclined with respect to the axis. The plurality of guide plates are provided, and the substance to be heat-treated is fed into the tubular body through the opening and taken out after the heat treatment.

In the apparatus of the present invention, a passage space adjacent to the heated space is formed with the partition wall as a boundary wall, and the heating fluid for heating the outer peripheral surface of the cylindrical body is used as the passage space. The above-mentioned object is achieved by being able to circulate inside.

In the present invention having such a structure, first, the raw material or the like to be heated is supplied from the inlet into the cylindrical body. The tubular body is rotating around a substantially horizontal axis, and during this rotation, the raw materials and the like in the heated space progress in one direction by the action of the partition wall provided with the guide plate, or While being circulated between a plurality of heated spaces separated by partition walls in the cylindrical body, heating is performed by a high-temperature heating fluid such as combustion gas flowing along the outer peripheral surface of the cylindrical body and in the passage space. Then, the desired physical or chemical changes are completed, and then the product is discharged from the discharge port to the outside of the device.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings.

(First Embodiment) In FIG. 1, reference numeral 1
Is a cylindrical body 1 made of a heat-resistant metal, and in this example, it has a cylindrical shape centered on a substantially horizontal axis 2, but it may have a rectangular cylindrical shape. Both ends of the tubular body 1 are formed to have a small diameter, the left end side is a feed port 1A for raw materials and the like, and the right end side is a discharge port 1B for ejecting raw materials and the like heated in the tubular body 1. The tubular body 1
Is arranged in a cylindrical furnace tube 3 made of a heat-resistant material.
An annular space 3A is formed between and. Such a tubular body 1
The furnace tube 3 and the furnace tube 3 are connected to each other in a part of the circumferential direction and are integrally supported by a bearing (not shown) rotatably around the axis 2 and are rotationally driven by a driving means (not shown).

As shown in FIG. 2 which is a sectional view taken along line II-II in FIG. 1, the cylindrical body 1 has a partition wall 4 parallel to the axis 2 so that the inner space is divided into two left and right heated spaces in FIG. It is divided. The partition wall 4 is hollow, and the hollow portion is divided into two upper and lower sections in FIG. 2 by a partition plate 5. Guide plates 6 are provided on both outer surfaces of the partition wall 4.

As shown in FIGS. 1 and 2, a plurality of guide plates 6 are attached to the partition wall 4 so as to be parallel to each other at a predetermined interval in the direction of the axis 2 while being inclined with respect to the axis 2. Has been. In the case of the present embodiment, the guide plate attached to one surface of the partition wall 4 and the guide plate attached to the other surface are inclined in opposite directions in the case shown in FIG. That is, in the guide plate attached to the other surface, the tubular body 1 is rotated about the axis 2 by 180 degrees.
When rotated to reach the same position as the guide plate mounted between the above-mentioned one side, the inclination is also in the same direction.

The partition wall 4 to which the guide plate 6 is attached is not provided in both end regions 7 and 8 of the tubular body 1, and both sides in the tubular body 1 divided by the partition wall 4 are separated. The space communicates with the both end regions 7 and 8.

Inside the inlet 1A of the tubular body 1, means for feeding the raw material and the like into the tubular body 1, for example, a screw feeder 9 is provided so as to enter. The screw feeder 9 is non-rotating, and the inlet 1 of the rotating tubular body 1
It is arranged with a radial gap with respect to A.

The left end wall of the cylindrical body 1 has openings 10A, 1A.
0B is formed, and the opening 10A communicates with the annular space 3A by the connecting duct 11. On the other hand, the above-mentioned inlet 1
An exhaust duct 12 is provided around A and the opening 10B is provided.
Is in communication with. The screw feeder 9 is provided with a combustion gas discharge tube 13 that surrounds the screw feeder 9 and extends upward. The screw feeder 9 and the exhaust duct 12 connected to the rotating tubular body 1 are allowed to rotate relative to each other via a rotary seal 14. The exhaust duct 12 is connected to the exhaust duct 12.

A combustion gas inlet cylinder 15 is provided on the right end wall of the cylindrical body 1 so as to communicate with the annular space 3A.
The combustion gas inlet cylinder 15 is connected to the cylindrical body 1 via rotary seals 16 and 17 in a state permitting relative rotation. A hood 18 is connected to the right end of the outlet 1B of the tubular body 1. The hood 18 is connected via a rotary seal 19 so as to allow relative rotation between the hood 18 and the tubular body 1, and an exhaust pipe 18A and a pipe 18B for taking out raw materials and the like extend upward and downward, respectively. Is provided.

The partition wall 4 is hollow, and the hollow space is divided into two spaces 20 and 21 by a partition plate 5 as shown in FIG. These two spaces 20,
In FIG. 1, 21 is opened at the left end of the partition wall 4 so as to be respectively connected to the connecting duct 11 and the exhaust duct outside the tubular body 1, and is closed at the right end of the partition wall 4, 4 communicate with each other.
Thus, the spaces 20 and 21 form a reciprocating passage space in which the combustion gas as a heating fluid flowing in from the opening 10A enters the partition wall 4 and flows out from the opening 10B after flowing.

In this embodiment, the high-temperature combustion gas as a heating source flows from the combustion gas inlet cylinder 15 into the annular space 3A between the cylindrical body 1 and the furnace cylinder 3 and rotates. The tubular body 1 is heated while flowing to the left in FIG. 1 along the outer surface of the tubular body 1 and reaches the left end portion of the space 3A.

In FIG. 1, the combustion gas emitted from the left end portion of the annular space 3A reaches the hollow portion inside the partition wall 4 installed inside the cylindrical body 1 through the connecting duct 11. The partition wall 4
Inside, the combustion gas flows in the space 20 in one of the hollow portions of the partition wall shown in FIG. 2 in the direction opposite to the combustion gas flow in the annular space 3A in FIG. 1, and reaches the right end side of the partition wall 4. To do.
The partition plate 5 shown in FIG. 2 is not installed on the right end side of the partition wall 4, so that the combustion gas flow flows into the other hollow portion 21 at the right end of the partition wall 4 and the combustion gas in the annular space 3A is discharged. Flows in the same direction as.

Combustion gas flowing through the hollow space 21 of the partition wall 4 has an opening 1 formed at the left end of the partition wall 4 in FIG.
0B is discharged to the outside of the apparatus through the combustion gas discharge cylinder 13 connected by the rotary seal 14.

On the other hand, raw materials and the like are provided on the left end side of the tubular body 1 by a known supply method, for example, a screw feeder 9
Is supplied to the inside of the heated space 1 formed in a cylindrical body. The cylindrical body 1 is rotating around the axis line 2, and during this rotation, the partition wall 4 provided with the guide plate 6 causes the raw material in the form of powder or granules to move in one direction, or It is circulated between the plurality of heated spaces partitioned by the partition wall 4 inside the tubular body 1 by the setting method of the inclination direction,
A discharge port 1B and an extraction pipe 18B provided on the right end side in FIG.
And is discharged out of the apparatus. The gas generated in the tubular body 1 is discharged to the outside of the device through a discharge pipe 18A provided in the hood 18.

The raw materials and the like are heated by heat conduction from the inner surface of the cylindrical body 1 and the outer surface of the partition wall 4 which come into contact with each other during the above-mentioned movement accompanying the rotation, and undergo a desired physical and chemical change. Achieved and discharged through the discharge port 1B and the extraction pipe 18B. 10 Gas or vapor generated from the raw material or the like in the tubular body 1 by heating is discharged through the exhaust pipe 18A.

FIG. 1 shows an embodiment of the present invention. The structure and number of partition walls, and the inclination angle, width and number of guide plates can be appropriately set according to heating conditions.

Further, FIG. 1 shows an example of one partition wall as shown in FIG. 2, but it is not necessarily restricted to this, and two partition walls are provided so as to intersect as shown in FIG. 3, Even if the heated space in the tubular body 1 is divided into four, there is no problem, and it may be further divided into five or more.

(Second Embodiment) In the example of FIG. 1, the raw material or the like is supplied from the left end side of the tubular body 1 and the heated raw material or the like is discharged from the right end side as a product. Is not limited to this as long as it has a partition wall with a guide plate,
As shown in FIG. 4, the product may be discharged from one end side for supplying raw materials and the like. In addition,
4, parts that are the same as those in FIG. 1 are given the same reference numerals, and descriptions thereof will be omitted.

In the apparatus shown in FIG. 4, a hollow inner cylinder 30 composed of a double concentric body is installed inside the cylindrical body 1, and as shown in FIG. 5, four partition walls 31 form the cylindrical body 1 and the inner cylinder. This is an example of dividing the annular space 30 </ b> A between 30 and 4 into four. FIG.
Is a sectional view taken along line VV of FIG. 4, and the four partition walls 31 are
As shown in FIG. 5, it is hollow and forms a combustion gas outward path 32 inside the tubular body 1 that communicates with the annular space 3A between the tubular body 1 and the furnace tube 3, and then into the inner tube 30. The annular hollow space of 3 forms the combustion gas return path 33.

In FIG. 4, the raw material and the like are supplied to the heated space in the tubular body 1 from a feed port 1A for the raw material and the like which is provided between the inner body 30 and the left end of the tubular body 1, and the tubular body 1 is heated. Due to the action of the partition wall 31 and the guide plate 34 as the body 1 rotates, the tubular body 1
Is rotating clockwise when viewed from the left end, the raw materials and the like move toward the right end in the heated space while the tubular body 1 is being moved.
The inner surface, the outer surface of the partition wall 31, and the outer surface of the inner cylinder 30 are heated to achieve most of the desired physical and chemical changes.

In FIG. 4, the raw material and the like that have been heated while reaching the space near the right end side of the cylindrical body 1 are, if necessary, using a known scraping structure (not shown), the inner cylinder 30. 4, which is introduced into the inner space 35 of the inner cylinder 30 and is provided in the inner cylinder 30, for example, the partition wall 36 and the guide plate 37 shown in FIG. In the inner space 35 of the inner cylinder 30, and is discharged as a product to the outside of the apparatus through a discharge port 38 opened at the left end of the inner cylinder 30. At that time, the product in which the raw materials and the like become a solid in the form of powder or granules during heating contacts the inner surface of the inner cylinder 30 and is further heated, and the desired physical and chemical changes are completed. FIG. 5 shows an example in which the partition wall 36 to which the guide plate 37 is attached is used as an example of the feeding mechanism in the inner cylinder 30, but a screw blade may be used.

In order to explain the flow path of the combustion gas in FIG. 4, the guide plate of FIG. 4 is removed and the cross section of the hollow inner cylinder 30 is shown in FIG.

In FIGS. 4 and 6, the high temperature combustion gas is fed into the annular space 3A from the right end side of the annular space 3A between the tubular body 1 and the furnace tube 3 to heat the outer surface of the tubular body 1. And reaches the left end of 3A of the annular space, enters the combustion gas inlet 39 of the partition wall 31 through the space in the connecting duct 11, flows in the combustion gas outward path 32 of the partition wall 31 in FIG. The raw materials and the like that come into contact with are heated.

Sections VII-VII and VIII-VII in FIG. 6 are shown in FIGS. 7 and 8, respectively. In FIG. 8 and FIG. 8, reference numeral 31 is a hollow partition wall, and reference numeral 39 is a combustion gas inlet portion of the partition wall 31. For the sake of explanation, FIG. 7 is shown with the guide plate 34 and the partition wall 36 and the guide plate 37 in the inner cylinder 30 in FIGS. 4 and 5 removed.

The present embodiment shown in FIGS. 4, 5, 6, 7 and 8 is an example in which there is a partition wall that divides the space inside the tubular body 1 into four heated spaces. , It can be divided into two, six, eight, etc.

In the present embodiment, the movement direction of the raw material and the like in FIGS. 4 and 6 shows the case where the cylindrical body 1 rotates clockwise as viewed from the left end side. As long as the apparatus has the structure shown in FIG. 6, the moving directions of the raw materials and the like are not necessarily limited to the above. That is, in the apparatus of FIGS. 4 and 6, when the tubular body rotates counterclockwise as viewed from the left end side, the raw material or the like is fed into the inner cylinder 30.
Is fed from the screw feeder 9 arranged on the inner left side of the inside of the inner cylinder 22, and after moving to the right end side in the inner cylinder 22, it is turned to the left from the space of the right end region 8 and opens from the space of the left end region 7 to the opening 1A.
Alternatively, it may be discharged to the outside of the apparatus via the.

The high-temperature heating fluid flowing on the outer surface of the cylindrical body 1 and the inside of the partition wall 4 or 31 is not limited to combustion gas, but may be high-temperature air and steam.

(Third Embodiment) In the first and second embodiments, an annular space 3A between the tubular body 1 and the furnace tube 3 is used.
Although almost all of the high-temperature heating fluid such as combustion gas flowing through the inside of the cylindrical body 1 flows through the inside of the partition wall installed inside the tubular body 1, it is always discharged to the outside of the device. It is not limited to this.

FIG. 9 shows a third embodiment of the present invention, in which a high-temperature heating fluid, for example, combustion gas, is introduced into the inlet cylinder 1.
5 through the rotary seal 16, the annular space 3A and the opening 1
It is sent to each 0A. The combustion gas flowing in the annular space 3A is appropriately discharged after heating the tubular body 1 from the outer surface as in the case of FIG. On the other hand, the combustion gas that has entered the opening 10A is a combustion gas passage (2 shown in FIG. 2) inside the partition wall 4.
0, 21), reaches the opening 10B, passes through the conduit 41, passes through the rotary seal 42, and is discharged from the combustion gas discharge pipe 43 to the outside of the apparatus.

The heating fluid is not limited to high-temperature combustion gas, but gas fuel is introduced into the cylindrical body and burned in the vicinity of the opening 10A to raise the temperature of the combustion gas before heating. You can also

(Fourth Embodiment) In the first to third embodiments, the passage space is formed inside the partition wall, but the present invention is not limited to this, and the passage spaces are mutually formed. It may be formed between two facing partition walls and opened in the radial direction so as to communicate with the annular space in the radial direction. In this case, the heating fluid is diverted so that one flows through the annular space and the other through the passage section.
An example thereof is shown in FIGS. 10 and 11. In the drawing, the same parts as those in FIGS. 1 to 9 described above are designated by the same reference numerals and the description thereof is omitted.

As shown in FIGS. 10 and 11, in this embodiment, the cylindrical body 1 is divided by the parallel partition walls 4 so as to have two heated spaces, and between the partition walls 4. The formed passage space 20A is opened outward in the radial direction and communicates with the annular space 3A. Therefore, the combustion gas as the heating fluid supplied from the combustion gas inlet cylinder 15 is divided into two, one flows in the annular space 3A and heats the outer circumferential surface of the tubular body 1, and the other is annular. The surface of the partition wall 4 of the tubular body 1 is heated by flowing from the space 3A through the passage space. These two flows merge after heating the tubular body 1 and are discharged from the combustion gas exhaust pipe 13 via the exhaust duct 12.

In the present embodiment, since the passage space 20A and the annular space 3A communicate with each other in a wider area than in the above-mentioned embodiment, the resistance at the time of inflow of the combustion gas into the passage space 20A is small and is smaller. Effectively heats the heated space.

Further, in this embodiment, the two partition walls 4 facing each other are connected by the wall portions of both end regions 7 and 8 in the axial direction, but if they are connected by the connecting member 4A in the middle thereof. Its strength is also improved. Furthermore, a bar member 4B as a movable member extending in the axial direction can be movably arranged in the passage space 20A between the two partition walls 4. By doing so, the rise and fall of the bar member in the passage space 20A are repeated with the rotation of the apparatus, whereby the adhered matter on the surface of the partition wall 4 is peeled off, and the effect of preventing the adherence is brought about. Furthermore, in order to guide the combustion gas to the passage section 20A more effectively, the guide pipes 8A are provided at a plurality of positions in the same direction in the end region 8 to provide the passage space 20A.
It is also a measure to connect A and the space on the combustion gas inlet cylinder 15 side. Alternatively, the partition wall 4 may be provided with a projecting portion 4C that projects to one side in the radial direction, and a swirl flow may be generated in the combustion gas to facilitate the entry of the combustion gas into the passage space 20A. You may set so that it may have a tangential component with respect to the form 1. Further, in order to make it easier for the combustion gas to enter the passage space, the width of the passage space may be widened at a portion near the annular space. In order to improve the transmission efficiency, the surfaces of the two partition walls facing each other forming the passage space may be provided with irregularities.

Also in this embodiment, it is possible to divide the cylindrical body 1 into four heated spaces by the partition wall 4 as shown in FIG.

(Fifth Embodiment) As shown in FIGS. 13 and 14, the passage space 20B formed between the two partition walls 4 facing each other is communicated with the annular space 3A only at one end in the axial direction. It is also possible to partition from the annular space 3A in the radial direction. By doing so, the combustion gas flows into the passage space 20B after flowing through the annular space 3A, heats the tubular body 1 in both spaces, and then is discharged from the combustion gas discharge cylinder 13A. Also in this case, as shown in FIG. 15, it is possible to divide the tubular body 1 into four heated spaces by the partition wall 4.

In the present invention, it is possible to store the powdery heat medium in the passage space. In that case,
The amount of the heat medium is determined so that it can move within the passage space as the cylindrical body rotates. As the heat medium, for example, silica sand, limestone powder, river sand, chamotte particles, etc. can be used.

[0047]

As described above, according to the present invention, the partition wall for partitioning the inner space of the cylindrical body is hollow, and the high temperature fluid for heating the cylindrical body is circulated in the partition wall to rotate the cylindrical body outside. Not only can the raw materials etc. be heated from the inside to progress the physical and chemical changes, so an indirect heating type rotary heating device with large processing capacity, high efficiency, small size and low construction cost is provided. There is an effect that can be. In particular, it is effective when used in the production of slaked lime and the production process of quick lime, dolomite, etc., which require adjustment of the ambient temperature.

Further, in the present invention, since the space to be heated is divided by the partition wall to be heated, the heat-receiving property and the rolling property are good even though the volume of the raw material or the like occupies the space volume is large, and the raw material or the like is In the case of viscous materials such as sludge, the granulation effect is improved. Therefore, the raw material and the like become granular with high strength, and the subsequent handling becomes extremely easy.

[Brief description of drawings]

FIG. 1 is a sectional view taken along a plane including an axis of a device according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a cross-sectional view perpendicular to the axis when a partition wall that divides into four heated spaces is used in the apparatus shown in FIG.

FIG. 4 is a diagram showing an external appearance of an internal structure as a cross-sectional view including an axis of only the outer cylindrical body in the second embodiment of the present invention.

5 is a sectional view taken along line VV in FIG.

FIG. 6 is an explanatory view showing a cross section including an axis with the guide plate removed by the apparatus of FIG. 4;

7 is a sectional view taken along line VII-VII in FIG.

8 is a sectional view taken along line VIII-VIII in FIG.

FIG. 9 is a cross-sectional view of the device according to the third embodiment of the present invention in a plane including the axis.

FIG. 10 is a cross-sectional view of the device according to the fourth exemplary embodiment of the present invention taken along a plane including an axis.

11 is a sectional view taken along line XI-XI in FIG.

12 is a cross-sectional view perpendicular to the axis when a partition wall that divides into four heated spaces is used in the apparatus shown in FIG.

FIG. 13 is a cross-sectional view of the device according to the fifth exemplary embodiment of the present invention, taken along a plane including the axis.

14 is a sectional view taken along line XIV-XIV in FIG.

FIG. 15 is a cross-sectional view perpendicular to the axis when a partition wall that divides into four heated spaces is used in the apparatus shown in FIG.

FIG. 16 is a vertical cross-sectional view of a conventional device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 tubular body 2 axis line 3 furnace tube 4 partition wall 4B movable member (bar member) 6 guide plate 20, 20A, 20B, 21 passage space 31 partition wall 32, 33 passage space 31 guide plate

Continuation of front page (51) Int.Cl. ⁶ Identification code Office reference number FI Technical display area F27B 7/30 B09B 3/00 303H

Claims (10)

[Claims] 1. A rotatable cylindrical body having a rotation axis which is substantially horizontal and having an opening at least at one end in the axial direction and which is heated by an outer peripheral surface, and a plurality of which are divided into an inner space of the cylindrical body. A partition wall that is substantially parallel to the axis forming the heated space of
A plurality of guide plates that are inclined with respect to the axis and are attached to the partition wall at a plurality of positions in the axis direction, and the substance to be heat-treated is introduced into the cylindrical body through the opening and heated. In a horizontal rotary heating device that takes out this after processing, a wall passage space adjacent to the heated space is formed with the partition wall as a boundary wall, and the heating fluid for heating the outer peripheral surface of the tubular body is the passage space. A horizontal rotary heating device characterized in that it can also be distributed. 2. A tubular body is arranged in a furnace barrel, and a heating fluid for the tubular body is circulated in an annular space between the tubular body and the furnace barrel. The horizontal rotary heating device according to claim 1, wherein the horizontal fluid heating device is in communication with the passage space, and a part or all of the heating fluid can flow in the passage space. 3. The passage space is formed in the partition wall and opens in the vicinity of the end in the axial direction, and the heating fluid flows into the passage space after heating the outer peripheral surface of the cylindrical body, or a part of the heating fluid. The horizontal rotary heating device according to claim 1 or 2, wherein the flow is divided into two and can flow through the passage space. 4. The passage space is formed between two partition walls facing each other and is opened outward in the radial direction, and a part of the heating fluid is shunted and can flow through the passage space. The horizontal rotary heating device according to claim 1 or claim 2. 5. The horizontal rotary heating apparatus according to claim 2, wherein the heating fluid is supplied to the annular space with a tangential component with respect to the annular space. 6. The horizontal rotary heating apparatus according to claim 4, wherein a movable member that can move freely in the passage space is provided. 7. The horizontal rotary heating device according to claim 6, wherein the movable member is a bar member extending in the axial direction. 8. The horizontal rotary heating apparatus according to claim 2, wherein a powdery heat medium is housed in the passage space so as to occupy a part of the passage space. 9. The horizontal rotating device according to claim 1, wherein the heating fluid is a combustion gas. 10. The horizontal rotary heating apparatus according to claim 1, wherein the heating fluid is high-temperature steam.