CN217110507U - Preheater cyclone structure - Google Patents
Preheater cyclone structure Download PDFInfo
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- CN217110507U CN217110507U CN202220831303.8U CN202220831303U CN217110507U CN 217110507 U CN217110507 U CN 217110507U CN 202220831303 U CN202220831303 U CN 202220831303U CN 217110507 U CN217110507 U CN 217110507U
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Abstract
The utility model relates to a pre-heater whirlwind section of thick bamboo structure, pre-heater whirlwind section of thick bamboo structure includes spiral case and discharge gate, the discharge gate is established at the spiral case lower extreme, spiral case and tuber pipe intercommunication, the inner wall at spiral case top is equipped with wear-resisting ceramic facing, wear-resisting ceramic facing passes through the steel bar and the interior wall connection at spiral case top, two relative sides of wear-resisting ceramic facing are equipped with the mounting hole that supplies the reinforcing bar to peg graft, reinforcing bar one end is pegged graft in the mounting hole, one end is fixed on the inner wall at spiral case top, the pouring has the flame retardant coating between the inner wall at wear-resisting ceramic facing and spiral case top. The utility model discloses a pre-heater whirlwind section of thick bamboo structure protects the spiral case top through setting up wear-resisting ceramic facing to improve the life of spiral case, set up the mounting hole and dodge the groove in wear-resisting ceramic facing side simultaneously, avoided leading to the not good problem of the wear-resisting ceramic facing result of reinforcing bar at wear-resisting ceramic facing surface trompil installation reinforcing bar.
Description
Technical Field
The utility model relates to a kiln equipment technical field, concretely relates to preheater cyclone structure.
Background
The preheater is needed in the clinker firing system and the lithium salt clinker firing system of the cement plant, the main working function of the preheater is to fully utilize the waste gas discharged by the rotary kiln and the decomposing furnace to preheat and heat the raw material, so that the raw material is preheated and part of carbonate is decomposed, the heat exchange efficiency between gas and solid can be improved to the maximum extent, and the high quality, high yield and low power consumption of the whole calcining system are realized.
The pre-heater will reach good preheating effect, need to possess the gas-solid dispersion evenly, the heat transfer is fast and three function of high-efficient separation, the structure of pre-heater includes tuber pipe and cyclone, the upper end and the cyclone intercommunication of tuber pipe, be equipped with the inlet pipe on the tuber pipe, raw material is through the inlet pipe feeding, high-speed air current rises from the tuber pipe below, under the impact of high-speed updraft, the material turns to upwards along with the air current motion, dispersed simultaneously, then accomplish the gas-solid separation at the cyclone, the solid is discharged through the discharge gate of cyclone lower extreme. When in actual use, the preheater is generally made of metal materials, the materials are blown into the cyclone cylinder through the air pipe, so that scouring can be caused to the inlet of the cyclone cylinder, and the casing of the cyclone cylinder can be worn through after long-term use, thereby influencing the use of the preheater.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pre-heater tuber pipe structure solves the easy problem of wearing and tearing of present pre-heater whirlwind section of thick bamboo.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a preheater cyclone structure comprises a volute and a discharge port, wherein the discharge port is arranged at the lower end of the volute, and the volute is communicated with an air pipe; the inner wall of the top of the volute is provided with a wear-resistant ceramic lining, and the wear-resistant ceramic lining is connected with the inner wall of the top of the volute through a steel bar; and two opposite side surfaces of the wear-resistant ceramic lining are provided with mounting holes for inserting steel bars, one ends of the steel bars are inserted in the mounting holes, the other ends of the steel bars are fixed on the inner wall of the top of the volute, and a fire-resistant layer is poured between the wear-resistant ceramic lining and the inner wall of the top of the volute.
Further, the mounting hole extends inwards from the side surface of the wear-resistant ceramic lining.
Further, the edge of the inner side surface of the wear-resistant ceramic lining is provided with a avoiding hole for accommodating the reinforcing steel bar, and the avoiding hole is communicated with the mounting hole.
Further, the width of the avoiding hole is consistent with the diameter of the mounting hole.
Further, the reinforcing bar is L shape, including welding rod, horizontal pole and joint pole, horizontal pole one end with the welding rod is connected, and the other end is connected with the joint pole, the joint pole be used for with the mounting hole joint is connected.
Furthermore, the welding rod is provided with a connecting hole.
Further, the welding rod has a semi-cylindrical shape.
The utility model has the advantages that:
the utility model discloses a pre-heater whirlwind section of thick bamboo structure through set up wear-resisting ceramic facing at the spiral case top, has avoided the material to the wearing and tearing at spiral case top, has improved the life of pre-heater, sets up the mounting hole and dodges the groove in wear-resisting ceramic facing side simultaneously, has avoided leading to the not good problem of the wear-resisting ceramic facing result of use of reinforcing bar at wear-resisting ceramic facing surface trompil installation reinforcing bar.
Drawings
FIG. 1 is a schematic view of a preheater cyclone of the present invention;
FIG. 2 is a schematic view of a ductwork and a cyclone;
FIG. 3 is a schematic structural view (perspective view) of the connection of the wear-resistant ceramic lining and the steel bar;
FIG. 4 is a schematic view (exploded view) of the connection of the wear-resistant ceramic lining with the steel bar;
FIG. 5 is a top view of a wear resistant ceramic lining in the preheater cyclone structure of the present invention;
FIG. 6 is a right side view of a wear resistant ceramic lining in the preheater cyclone structure of the present invention;
FIG. 7 is a schematic view of the structure of the reinforcing bars in the preheater cyclone structure of the present invention.
Names corresponding to the marks in the figure:
1. the device comprises an air pipe, 2, a cyclone cylinder, 21, a volute, 22, a discharge hole, 3, a wear-resistant ceramic gasket, 31, a mounting hole, 32, a avoiding hole, 4, a fire-resistant layer, 5, a steel bar, 51, a welding rod, 511, a connecting hole, 52, a cross rod, 53 and a clamping rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
in the preheater cyclone cylinder structure in the embodiment, the wear-resistant ceramic lining is arranged on the inner wall of the top of the volute, so that the situation that the volute of the preheater cyclone cylinder is in long-term contact with a material to cause the abrasion of a shell is avoided, and the normal use of the preheater is further influenced.
Specifically, as shown in fig. 1 and 2, the preheater includes an air duct 1 and a cyclone 2, an upper end of the air duct 1 is communicated with the cyclone 2, a material enters through a feeding pipe arranged on the air duct 1, and is blown in a strong ascending wind direction to enter the cyclone 2, the cyclone 2 includes a volute 21 and a discharge port 22, the discharge port 22 is arranged at a lower end of the volute 21, the material completes solid-gas separation in the volute 21, and is finally discharged through the discharge port 22, the material rubs against the top of the volute 21 for a long time, and the top of the volute 21 is easily worn through after long-term use.
In this embodiment, as shown in fig. 2 to 4, a wear-resistant ceramic lining 3 is disposed on an inner wall of a top of the scroll casing 21, the wear-resistant ceramic lining 3 is connected to the inner wall of the top of the scroll casing 21 through a steel bar 5, the wear-resistant ceramic lining 3 is an alumina ceramic lining, the alumina ceramic lining is formed by calcining alumina as a raw material and a rare metal oxide as a solvent at a high temperature of 1700 ℃, mounting holes 31 for the steel bar 5 to be inserted are disposed on two opposite side surfaces of the wear-resistant ceramic lining 3, one end of the steel bar 5 is inserted into the mounting hole 31, the other end of the steel bar 5 is fixed to the inner wall of the top of the scroll casing 21, and a refractory layer 4 is poured between the wear-resistant ceramic lining 3 and the inner wall of the top of the scroll casing 21.
Through above setting, wear-resisting ceramic facing 3 has avoided the material to wear through the casing with the material contact, simultaneously, through the side of connecting wear-resisting ceramic facing 3 with reinforcing bar 5, avoids offering the through-hole on wear-resisting ceramic facing 3's surface and is used for fixed reinforcing bar 5 to reduce the result of use.
As shown in fig. 6, the mounting hole 31 is a circular hole extending inward from the side surface of the wear-resistant ceramic lining 3, and this hole opening method is simple, and it is not necessary to pre-form a hole when firing the wear-resistant ceramic lining 3, but only to drill a hole in the finished product, thereby reducing the number of finished products and production processes.
In this embodiment, as shown in fig. 5, the edge of the inner side surface of the wear-resistant ceramic lining 3 is provided with the avoiding hole 32, the avoiding hole 32 is formed at the position of the mounting hole 31 and is arranged to be communicated with the mounting hole 31, the avoiding hole 32 is used for accommodating the steel bar 5 after the steel bar 5 is inserted into the mounting hole 31, interference of the steel bar 5 on the adjacent wear-resistant ceramic lining 3 after installation is avoided, gaps between the wear-resistant ceramic linings 3 are tight, and thus the use effect is improved.
In this embodiment, the tip of dodging hole 32 is the arc, with the shape adaptation of reinforcing bar 5, simultaneously, dodges the width in hole 32 and keeps unanimous with the diameter of mounting hole 31, can avoid reinforcing bar 5 to rock, has certain spacing effect of joint to reinforcing bar 5.
As shown in fig. 7, the reinforcing bar 5 is generally L-shaped, and includes a welding rod 51, a cross rod 52 and a clamping rod 53, wherein one end of the cross rod 52 is connected to the welding rod 51, the other end is connected to the clamping rod 53, and the clamping rod 53 is used for being clamped to the mounting hole 31.
During the in-service use, a reinforcing bar 5 is pegged graft respectively at the both sides face of wear-resisting ceramic facing 3 to weld the other end of reinforcing bar 5 on the inner wall at spiral case 21 top, in this embodiment, be equipped with connecting hole 511 on welding rod 51 for supply to connect between two reinforcing bars 5, accessible bolt etc. couple together welding rod 51 of two reinforcing bars 5 during in-service use, thereby avoid joint pole 53 to drop from mounting hole 31.
As shown in fig. 7, the welding rods 51 have a semi-cylindrical shape, which facilitates the attachment of the two welding rods 51 during installation, thereby improving the connection effect.
The working principle is as follows:
during actual installation, insert the joint pole 53 of reinforcing bar 5 in the mounting hole 31 of wear-resisting ceramic facing 3 earlier, then make joint pole 53 hold in dodging the hole 32 completely, dodging the hole 32 and can avoiding reinforcing bar 5 to rotate, later connect the welding pole 51 of two reinforcing bars 5 through connecting hole 511, then with the other end welding of reinforcing bar 5 on the inner wall of spiral case 21 top can, at last between wear-resisting ceramic facing 3 and spiral case 21 top inner wall pouring fire-resistant castable can.
The utility model discloses a pre-heater whirlwind section of thick bamboo structure protects the spiral case top through setting up the wear-resisting ceramic facing to improve the life of spiral case, set up the mounting hole and dodge the groove in wear-resisting ceramic facing side simultaneously, avoided leading to the not good problem of the wear-resisting ceramic facing result of use of reinforcing bar at wear-resisting ceramic facing surface trompil installation reinforcing bar.
Claims (7)
1. A preheater cyclone structure is characterized in that: the spiral case is communicated with an air pipe; the inner wall of the top of the volute is provided with a wear-resistant ceramic lining, and the wear-resistant ceramic lining is connected with the inner wall of the top of the volute through a steel bar; and two opposite side surfaces of the wear-resistant ceramic lining are provided with mounting holes for inserting steel bars, one ends of the steel bars are inserted in the mounting holes, the other ends of the steel bars are fixed on the inner wall of the top of the volute, and a fire-resistant layer is poured between the wear-resistant ceramic lining and the inner wall of the top of the volute.
2. A preheater cyclone structure as claimed in claim 1, wherein: the mounting hole extends inwards from the side surface of the wear-resistant ceramic lining.
3. A preheater cyclone structure as claimed in claim 2, wherein: the edge of the inner side surface of the wear-resistant ceramic lining is provided with a avoiding hole for accommodating the reinforcing steel bar, and the avoiding hole is communicated with the mounting hole.
4. A preheater cyclone structure as claimed in claim 3 wherein: the width of the avoiding hole is consistent with the diameter of the mounting hole.
5. A preheater cyclone construction as recited in claim 4, wherein: the reinforcing bar is L shape, including welding pole, horizontal pole and joint pole, horizontal pole one end with the welding pole is connected, and the other end is connected with the joint pole, the joint pole be used for with the mounting hole joint is connected.
6. A preheater cyclone structure as claimed in claim 5, wherein: and the welding rod is provided with a connecting hole.
7. A preheater cyclone structure as claimed in claim 6, wherein: the welding rod is semi-cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220831303.8U CN217110507U (en) | 2022-04-07 | 2022-04-07 | Preheater cyclone structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220831303.8U CN217110507U (en) | 2022-04-07 | 2022-04-07 | Preheater cyclone structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217110507U true CN217110507U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220831303.8U Active CN217110507U (en) | 2022-04-07 | 2022-04-07 | Preheater cyclone structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217110507U (en) |
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2022
- 2022-04-07 CN CN202220831303.8U patent/CN217110507U/en active Active
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