CN212205667U - Composite prefabricated part for suspension cylinder of external combustion type light-burning shaft kiln - Google Patents
Composite prefabricated part for suspension cylinder of external combustion type light-burning shaft kiln Download PDFInfo
- Publication number
- CN212205667U CN212205667U CN202020477527.4U CN202020477527U CN212205667U CN 212205667 U CN212205667 U CN 212205667U CN 202020477527 U CN202020477527 U CN 202020477527U CN 212205667 U CN212205667 U CN 212205667U
- Authority
- CN
- China
- Prior art keywords
- composite prefabricated
- suspension cylinder
- shaft kiln
- wear
- brick
- 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.)
- Active
Links
Images
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model relates to an external combustion formula light-burned shaft kiln hangs compound prefab for jar comprises abrasive brick, the pouring body and box hat. The composite prefabricated member for the suspension cylinder designed by the utility model adopts a composite molding mode of baked bricks and pouring, belongs to cylindrical refractory materials, adopts baked wear-resistant bricks inside, increases the material wear resistance of the whole prefabricated member, adopts integral castable outside, and has good thermal stability and flue gas scouring property; the upper side of the outer part of the suspension cylinder composite prefabricated part is thickened, and a groove is arranged to be occluded with a kiln shell steel structure, so that stress is effectively dispersed, and the phenomenon that the structure is unstable due to stress concentration is avoided; the light-burning shaft kiln suspension cylinder replaces the original supporting device, so that the difficulty caused by the complicated structure of the supporting device for construction is avoided, and the masonry process is simplified.
Description
Technical Field
The patent of the utility model relates to a refractory material production facility field, concretely relates to external combustion formula is lightly burnt shaft kiln hangs compound prefab for jar.
Background
The external combustion type light-burning shaft kiln has the advantages of large scale, energy saving, environmental protection and the like. The large-scale production device has obvious characteristics, capacity can be designed according to the inner diameter of the kiln, and the large-scale production can achieve 500 tons of light-burned products per day. The external combustion type combustion mode is adopted, so that the fuel gas and the combustion air are uniformly mixed, the combustion is sufficient, the energy consumption can be controlled below 250kg standard coal/ton product, the product energy consumption is low, and the energy-saving effect is obvious. And the materials in the burning zone of the external-combustion light-burning shaft kiln are uniformly heated, the hot smoke gas uniformly passes through the material layer, and the product quality is good.
The key part of the external combustion type light-burning shaft kiln is positioned at the communication position between an external combustion chamber and a combustion zone, the position is generally built by adopting a high-temperature-resistant supporting device, the refractory material at the position needs to bear the effects of high temperature, material scouring and flue gas scouring, and simultaneously bears the gravity effects of the whole combustion zone, the preheating zone and a bin at the upper part of the preheating zone, so that the external combustion type light-burning shaft kiln is the weakest link in the whole external combustion type shaft kiln device, and is very easy to damage, and a process and a device capable of replacing the supporting device need to be found.
Disclosure of Invention
In order to solve the problem, the utility model provides an external combustion formula is lightly fired shaft kiln hangs compound prefab for jar replaces original strutting arrangement, avoids strutting arrangement's numerous and diverse structure to cause the difficulty for the construction, simplifies and builds by laying bricks or stones the technology.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that:
a composite prefabricated member for a suspension cylinder of an external combustion type light-burning shaft kiln is characterized by comprising an abrasive brick, a casting body and a steel shell; the composite prefabricated part sequentially comprises wear-resistant bricks, a pouring body and a steel shell from inside to outside, wherein the wear-resistant bricks are mutually meshed through bulges and grooves and are built on the innermost layer of the composite prefabricated part, the wear-resistant bricks are mutually meshed with the pouring body through bulges at the outer edges, and the pouring body is mutually meshed with the steel shell through the grooves; the composite prefabricated part is positioned right above the combustion chamber; the groove is positioned on the upper side of the outer wall of the casting body.
The wear-resistant bricks are made of magnesia-chromite fired bricks, magnesia-alumina fired bricks or magnesia-fired bricks combined by electric melting; the casting body adopts a magnesium-chromium casting material, a magnesium-aluminum casting material, a magnesium casting material, a high-aluminum casting material or a corundum-spinel casting material.
The composite prefabricated part belongs to a cylindrical structure, and the thicknesses of the wear-resistant brick and the casting body are the same.
The steel shell is assembled by adopting a welding or bolt connection mode.
Compared with the prior art, the beneficial effects of the utility model are that: 1) the light-burning shaft kiln suspension cylinder replaces the original supporting device, so that the difficulty caused by the complicated structure of the supporting device to the construction is avoided, and the masonry process is simplified; 2) the composite prefabricated part for the suspension cylinder adopts a firing brick and pouring composite forming mode, belongs to a cylindrical refractory material, adopts a firing wear-resistant brick inside to increase the material wear resistance of the whole prefabricated part, adopts an integrated castable outside to have good thermal stability and smoke erosion performance; 3) the outside upside pouring material of the compound prefab of suspension cylinder is thickened to set up recess and the interlock of kiln shell steel construction, stress obtains effective dispersion, avoids stress concentration, causes the structure unstable.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of an installation of the embodiment of the present invention.
In the figure: 1-wear-resistant brick, 2-casting body, 3-groove, 4-steel shell and 5-combustion chamber.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to the accompanying drawings.
Referring to fig. 1-2, the composite prefabricated member of the external combustion type light-burning shaft kiln suspension cylinder of the present invention is shown in the structural diagram, and comprises an abrasion-resistant brick 1, a casting body 2 and a steel shell 4; the composite prefabricated part sequentially comprises an abrasive brick 1, a casting body 2 and a steel shell 4 from inside to outside, wherein the abrasive bricks 1 are mutually meshed through bulges and grooves and are built on the innermost layer of the composite prefabricated part, the abrasive brick 1 is mutually meshed with the casting body 2 through the bulge on the outer edge, and the casting body 2 is mutually meshed with the steel shell 4 through the groove 3; the composite prefabricated part is positioned right above the combustion chamber 5; the groove is positioned on the upper side of the outer wall of the casting body 2. The wear-resistant brick 1 is made of a magnesia-chromite fired brick, a magnesia-alumina fired brick or a magnesia-fired brick combined by electric melting; the casting body 2 adopts a magnesium-chromium casting material, a magnesium-aluminum casting material, a magnesium casting material, a high-aluminum casting material or a corundum-spinel casting material. The composite prefabricated part belongs to a cylindrical structure, and the thickness of the wear-resistant brick 1 is the same as that of the casting body 2. The steel shell 4 is assembled by welding or bolting.
The preparation and installation steps of the composite prefabricated part for the suspension cylinder of the external combustion type light-burning shaft kiln are as follows: (1) according to design requirements, a kiln lining is designed into a multilayer trapezoidal brick circular ring, and bricks are mutually occluded through bulges and grooves and fixedly installed; (2) installing an outer sleeve mold, carrying out vibration casting, maintaining the mold at room temperature for 24-48 hours, then demolding, maintaining for 24-48 hours, and drying at the temperature of 100-; (3) and (3) occluding the steel shell 4 and the casting body 2 through the groove 3, and then connecting by welding or bolts to obtain the composite prefabricated part for the suspension cylinder of the external-combustion light-burning shaft kiln. And finally, hoisting the composite prefabricated part for the suspension cylinder of the external-combustion type light-burning shaft kiln to a burning zone of the external-combustion type light-burning shaft kiln for installation.
Claims (4)
1. A composite prefabricated member for a suspension cylinder of an external combustion type light-burning shaft kiln is characterized by comprising an abrasive brick (1), a casting body (2) and a steel shell (4); the composite prefabricated part sequentially comprises wear-resistant bricks (1), a casting body (2) and a steel shell (4) from inside to outside, wherein the wear-resistant bricks (1) are mutually meshed through bulges and grooves and are built on the innermost layer of the composite prefabricated part, the wear-resistant bricks (1) are mutually meshed with the casting body (2) through bulges at the outer edges, and the casting body (2) and the steel shell (4) are mutually meshed through grooves (3); the composite prefabricated part is positioned right above the combustion chamber (5); the groove (3) is positioned on the upper side of the outer wall of the casting body (2).
2. The composite prefabricated member for the external combustion type light-burned shaft kiln suspension cylinder is characterized in that the wear-resistant brick (1) is a magnesia-chromite sintered brick, a magnesia-alumina sintered brick or an electric smelting combined magnesia sintered brick; the casting body (2) is made of a magnesium-chromium casting material, a magnesium-aluminum casting material, a magnesium casting material, a high-aluminum casting material or a corundum-spinel casting material.
3. The composite prefabricated member for the suspension cylinder of the external-combustion light-burning shaft kiln according to the claim 1, characterized in that the composite prefabricated member is of a cylindrical structure, and the thickness of the wear-resistant brick (1) and the thickness of the casting body (2) are the same.
4. The composite prefabricated member for the suspension cylinder of the external-combustion light-burning shaft kiln as claimed in claim 1, wherein the steel shell (4) is assembled by welding or bolting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020477527.4U CN212205667U (en) | 2020-04-03 | 2020-04-03 | Composite prefabricated part for suspension cylinder of external combustion type light-burning shaft kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020477527.4U CN212205667U (en) | 2020-04-03 | 2020-04-03 | Composite prefabricated part for suspension cylinder of external combustion type light-burning shaft kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212205667U true CN212205667U (en) | 2020-12-22 |
Family
ID=73829202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020477527.4U Active CN212205667U (en) | 2020-04-03 | 2020-04-03 | Composite prefabricated part for suspension cylinder of external combustion type light-burning shaft kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212205667U (en) |
-
2020
- 2020-04-03 CN CN202020477527.4U patent/CN212205667U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102393140A (en) | Suspension type automatic blanking vertical and horizontal dual-purpose heat accumulation energy-saving reduction furnace | |
| CN203190789U (en) | Tunnel kiln | |
| CN201535617U (en) | Tunnel kiln for direct reduction of pig iron from iron-based oxide | |
| CN212205667U (en) | Composite prefabricated part for suspension cylinder of external combustion type light-burning shaft kiln | |
| CN200999231Y (en) | Coke oven door structure | |
| CN202522044U (en) | Chain-grate type energy-saving hot-blast stove | |
| CN107401918B (en) | Prefabricated brick fireproof structure of cement kiln | |
| CN206706037U (en) | A kind of fluidized-bed gasification furnace | |
| CN206521438U (en) | A kind of circle fluidized-bed gasification furnace builds formula inboard wall of burner hearth by laying bricks or stones | |
| CN207066160U (en) | Dome kiln | |
| CN2826192Y (en) | Novel high-efficiency blower boiler combustor lining | |
| CN203432275U (en) | Magnesia powder light burning shaft kiln | |
| CN212205644U (en) | External combustion type light-burning shaft kiln with supporting device | |
| CN203869491U (en) | Heat preservation type tunnel kiln | |
| CN202954052U (en) | Novel blast-furnace crucible | |
| CN102506578B (en) | Forming method of full-fiber monolithic furnace lining | |
| CN201037731Y (en) | Structure integration high temperature kiln | |
| CN211823839U (en) | Heat insulation type anode roasting furnace flame path wall structure | |
| CN201485387U (en) | Calcining belt of sleeve lime kiln | |
| CN215675190U (en) | Split type burner for ultra-large kiln | |
| CN203586810U (en) | Reinforced fixed wear-resistant precast brick | |
| CN205313405U (en) | Calciner of external burning heat accumulation formula lime shaft kiln | |
| CN215199641U (en) | Split type ladle refractory material device | |
| CN215162369U (en) | Integrally-cast charge level indicator for coke dry quenching furnace | |
| CN202350504U (en) | Suspended self-blanking vertical and horizontal two-purpose heat accumulating energy-saving reduction furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |