CN213810608U - Unilateral bevel connection fixed type radiation device - Google Patents
Unilateral bevel connection fixed type radiation device Download PDFInfo
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- CN213810608U CN213810608U CN202022468447.5U CN202022468447U CN213810608U CN 213810608 U CN213810608 U CN 213810608U CN 202022468447 U CN202022468447 U CN 202022468447U CN 213810608 U CN213810608 U CN 213810608U
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- radiant tube
- burner
- connecting section
- heat insulation
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Abstract
The utility model relates to a unilateral bevel connection fixed radiation device, which is arranged on a furnace body of a calcining kiln and comprises a radiation pipe and a burner, wherein the burner comprises a burner, and one side of the burner is connected with the radiation pipe; the burner comprises a connecting section which is arranged close to the radiant tube, and the outer surface of the connecting section is an inclined surface, so that the peripheral size of the connecting section is gradually increased along the direction far away from the radiant tube; the furnace body is provided with a mounting part, and the inner periphery of the mounting part is matched with the outer periphery of the connecting section. The utility model discloses a be provided with the linkage segment on the nozzle, the surface of this linkage segment is the inclined plane, then when the installation, can be with the interior week of its installed part of pegging graft on the furnace body for the periphery of linkage segment is wedged tightly with the interior week of installed part. When the radiation device needs to be replaced, the radiation device can be taken out from the inner periphery of the mounting part by pulling outwards with force, and the radiation device can be disassembled and assembled without stopping production, so that the radiation device is more convenient to maintain.
Description
Technical Field
The utility model relates to a calcining kiln technical field, concretely relates to fixed radiation device of unilateral bevel connection.
Background
Recovery of CO in limestone calcination process2The main cost-affecting factor is the atmospheric CO2And the use of radiant heating can significantly increase the CO concentration2The concentration of (c). The heat accumulating type radiant tube is a dividing wall type heating mode which achieves the purpose of radiation heating by utilizing the heat accumulating type principle, and the radiant tube mode comprises a U-shaped tube mode, a straight tube double-sided combustion mode and other modes.
In actual production, a damaged radiant tube needs to be replaced, and how to realize the quick replacement of the radiant tube without stopping production is a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the to-be-solved technical problem of the utility model is to provide a fixed radiation device of unilateral bevel connection, its quick assembly disassembly that can realize radiation device under the condition of not stopping production.
In order to solve the technical problem, the utility model provides a fixed radiation device of unilateral bevel connection, install on the furnace body of calcining kiln, including radiant tube and combustor, the combustor includes the nozzle, one side of this nozzle is connected with the radiant tube; the burner comprises a connecting section which is arranged close to the radiant tube, and the outer surface of the connecting section is an inclined surface, so that the peripheral size of the connecting section is gradually increased along the direction far away from the radiant tube; the furnace body is provided with a mounting part, and the inner periphery of the mounting part is matched with the outer periphery of the connecting section.
The utility model discloses a be provided with the linkage segment on the nozzle, the surface of this linkage segment is the inclined plane, then when the installation, can be with the interior week of its installed part of pegging graft on the furnace body for the periphery of linkage segment is wedged tightly with the interior week of installed part. When the radiation device needs to be replaced, the radiation device can be taken out from the inner periphery of the mounting part by pulling outwards with force, and the radiation device can be dismounted without stopping production in the fixing mode of the single-side bevel opening, so that the radiation device is more convenient to maintain.
Preferably, the radiant tube is bolted to the burner.
Preferably, the outer circumference of the cross section of the connecting section is rectangular.
Preferably, a heat insulation layer is arranged on one side of the burner close to the radiant tube, and a through hole through which the radiant tube can pass is formed in the heat insulation layer.
Preferably, the outer surface of the heat insulation layer is an inclined surface, so that the size of the outer periphery of the heat insulation layer is gradually reduced along the direction away from the burner, and the outer surface of the heat insulation layer and the corresponding outer surface of the connecting section are located on the same plane. The periphery of the heat insulation layer is tightly attached to the heat insulation structure on the inner periphery of the furnace body, so that the heat insulation performance of the furnace body is ensured.
Preferably, the burner comprises a shell, a gas channel communicated with the radiant tube is formed in the shell in a pouring mode, a gas conveying pipe penetrates through the gas channel, and a heat accumulator is arranged between the outer periphery of the gas conveying pipe and the inner periphery of the gas channel. The heat accumulator is made of corundum-mullite, and can preheat air passing through the heat accumulator, so that the temperature difference of gas in the radiant tube is small, full combustion of gas is facilitated, and CO is improved2Concentration of (2) facilitating subsequent CO-coupling2And (4) recovering.
Preferably, the outer periphery of the gas pipe is further sleeved with a protective layer, and the heat accumulator is located between the outer periphery of the protective layer and the inner periphery of the gas channel. The protective layer comprises a plurality of pipeline pouring blocks formed by pouring low cement castable, plays a role in protecting the gas transmission pipe, and prevents the gas transmission pipe from being damaged under the erosion of high temperature.
Preferably, a fire-blocking brick is arranged between the outer periphery of one end of the protective layer close to the radiant tube and the inner periphery of the gas channel. The fire-blocking brick is made of electro-fused corundum, and can protect the heat accumulator and prolong the service life of the heat accumulator.
Preferably, one end of the fire-blocking brick, which is far away from the radiant tube, is tightly attached to the heat accumulator.
Preferably, a heat insulating pad is disposed on an inner circumference of the gas passage, and the inner circumference of the heat insulating pad is closely attached to outer circumferences of the fire brick and the heat accumulator.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of a connection structure between a single-side bevel-opening fixed type radiation device and a furnace body according to an embodiment of the present invention;
FIG. 2 is an enlarged partial schematic view P of FIG. 1;
fig. 3 is a transverse cross-sectional view of a burner according to an embodiment of the present invention;
fig. 4 is a longitudinal sectional view of a burner according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a mounting member according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view A-A of FIG. 4;
fig. 7 is a sectional view taken along line B-B in fig. 4.
Reference numerals:
1-a radiant tube; 2-a burner; 21-a housing; 211-oblique side plates; 212-straight side plate; 213-a top plate; 214-a backplane; 22-a gas channel; 3-gas pipe; 4-a protective layer; 41-a pipeline pouring block; 5-fire blocking bricks; 6-a heat accumulator; 7-a heat insulation mat; 8-a mounting member; 9-a heat insulation layer; 10-a wind cavity; 101-air ducts.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and fig. 2, the present embodiment provides a single-side oblique-mouth fixed type radiant device, which is installed on a furnace body of a calcining kiln, and comprises a U-shaped radiant tube 1 and a burner, wherein the burner comprises a burner 2, the burner 2 comprises a shell 21, two groups of gas channels 22 communicated with the radiant tube 1 are formed in the shell 21 by pouring heavy low-cement castable, and the shell 21 is connected with the radiant tube 1 through bolts.
Wear to be equipped with stainless steel's gas-supply pipe 3 in above-mentioned gas passage 22, the one end that radiant tube 1 was kept away from to this gas-supply pipe 3 runs through casing 21, has protective layer 4 in the periphery cladding of this gas-supply pipe 3, and this protective layer 4 includes that a plurality of pours piece 41 by the pipeline of low cement pouring material pouring formation to play the guard action to gas-supply pipe 3, prevent that gas-supply pipe 3 is impaired under the erosion of high temperature.
A fire-blocking brick 5 and a heat accumulator 6 are sequentially arranged between the outer periphery of the protective layer 4 and the inner periphery of the gas channel 22 along the direction far away from the radiant tube 1, and the fire-blocking brick and the heat accumulator are closely attached together; a heat insulating mat 7 is provided on the inner periphery of the gas passage 22, and the inner and outer peripheries of the fire damper 5 and the heat accumulator 6 are respectively in close contact with the outer periphery of the protective layer 4 and the inner periphery of the heat insulating mat 7. In the embodiment, the fire brick 5 is made of fused corundum, the heat accumulator 6 is made of corundum-mullite, and the heat insulation pad 7 is made of alumina silicate fiber cotton. In addition, the side of the burner 2 away from the radiant tube 1 is connected with an air cavity 10, the air cavity 10 is provided with an air pipeline 101, the heat accumulator 6 and the fire blocking brick 5 are both provided with a plurality of air channels in a penetrating manner, and air entering from the air pipeline 101 can enter the air channel 22 through the air channels.
In this embodiment, the working process of the radiation device is as follows: the gas is carried to the gas passage 22 via the gas-supply pipe 3, the air passes through the air duct 101 and the inside wind channel of heat accumulator and fire-blocking brick and gets into the gas passage 22, the heat accumulator 6 can preheat the air that gets into in the gas passage, reduce its and the gaseous difference in temperature in the radiant tube 1, after preheating air and gas mixture and getting into the radiant tube 1 in, burn under the high temperature effect in the radiant tube 1, the radiant tube is heated to the heat that the burning produced, the radiant tube 1 produces the heat radiation and dispels the heat, in order to maintain the temperature in the calcining kiln and satisfy the operation requirement. In this embodiment, the two groups of gas channels of the burner 2 alternately perform gas inlet and gas outlet, when one group of gas channels enters gas, the other group of gas channels discharges gas, and the heat accumulator in the gas channels absorbs and stores the temperature in the gas while discharging the gas. After reversing and air inflow, the original air inlet channel begins to discharge smoke, the other air inlet channel begins to admit air, at the moment, cold air enters the heat accumulator, is preheated by the heat accumulator and then is mixed with fuel gas for combustion, and the two sides alternately admit air, so that the temperature distribution of the radiant tube is balanced, and the heating effect of the material is improved.
Specifically, the housing 21 includes a straight side plate 212, an inclined side plate 211, a top plate 213 and a bottom plate 214, wherein the bottom plate 214 is used for being bolted with the radiant tube 1, the top plate 213 is provided with an opening communicating with the gas passage 22, the inclined side plate 211 forms a connecting section, and the outer surface of the inclined side plate 211 is inclined so that the outer peripheral dimension thereof gradually increases in a direction away from the radiant tube 1. Specifically, the outer periphery of the cross section of the inclined side plate 211 is rectangular.
A mounting 8 is arranged on the body of the calcining kiln, the inner circumference of the mounting 8 fitting the outer circumference of the connecting section formed by the inclined side plates 211. Structure of the installation member 8 referring to fig. 5, 6 and 7, when installing, the radiant tube 1 and the burner are integrally inserted into the inner circumference of the installation member 8, so that the outer circumference of the inclined side plate 211 is wedged with the inner circumference of the installation member 8; when the replacement is needed, the radiation device is pulled outwards by force, so that the connection between the inclined side plate 211 and the mounting part 8 is released.
Further, a heat insulation layer 9 is arranged on one side of the burner 2 close to the radiant tube 1, and a through hole for the radiant tube 1 to pass through is formed in the heat insulation layer 9; specifically, the outer surface of the heat insulating layer 9 is an inclined surface, so that the size of the outer periphery of the heat insulating layer 9 is gradually reduced in a direction away from the burner 2, and the outer surface of the heat insulating layer 9 and the corresponding outer surface of the inclined side plate 211 are located on the same plane. In order to prevent the heat in the furnace body from dissipating, a heat insulation structure is arranged on the inner periphery of the furnace body, in order to facilitate the installation of the radiation device, an installation opening matched with the outer periphery of the heat insulation layer 9 is arranged in advance on the corresponding position of the heat insulation structure, and after the radiation device is installed, the outer periphery of the heat insulation layer 9 can be wedged tightly with the inner periphery of the installation opening to play a role in heat preservation and heat insulation. In this embodiment, the heat insulating layer 9 is made of the same material as the heat insulating structure in the furnace body, and is made of aluminum silicate fiber cotton.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. The utility model provides a fixed radiation device of unilateral bevel connection installs on the furnace body of calcining kiln, including radiant tube and combustor, its characterized in that:
the burner comprises a burner, and one side of the burner is connected with the radiant tube;
the burner comprises a connecting section which is arranged close to the radiant tube, and the outer surface of the connecting section is an inclined surface, so that the peripheral size of the connecting section is gradually increased along the direction far away from the radiant tube;
the furnace body is provided with a mounting part, and the inner periphery of the mounting part is matched with the outer periphery of the connecting section.
2. A single-sided bezel stationary radiating arrangement as claimed in claim 1 wherein:
the radiant tube is connected with the burner through bolts.
3. A single-sided bezel stationary radiating arrangement as claimed in claim 1 wherein:
the periphery of the cross section of the connecting section is rectangular.
4. A single-sided bezel stationary radiating arrangement as claimed in claim 1 wherein:
and a heat insulation layer is arranged on one side of the burner close to the radiant tube, and a through hole which is convenient for the radiant tube to pass through is arranged on the heat insulation layer.
5. A single-sided bezel stationary radiating arrangement as claimed in claim 4 wherein:
the outer surface of the heat insulation layer is an inclined plane, so that the size of the outer periphery of the heat insulation layer is gradually reduced along the direction far away from the burner, and the outer surface of the heat insulation layer and the corresponding outer surface of the connecting section are located on the same plane.
6. A single-sided bezel stationary radiating arrangement as claimed in claim 1 wherein:
the burner comprises a shell, a gas channel communicated with the radiant tube is formed in the shell in a pouring mode, a gas pipe penetrates through the gas channel, and a heat accumulator is arranged between the outer periphery of the gas pipe and the inner periphery of the gas channel.
7. A single-sided bezel stationary radiating arrangement as claimed in claim 6 wherein:
the outer periphery of the gas conveying pipe is also sleeved with a protective layer, and the heat accumulator is positioned between the outer periphery of the protective layer and the inner periphery of the gas channel.
8. A single-sided bezel stationary radiating arrangement as claimed in claim 7 wherein:
and a fire blocking brick is arranged between the outer periphery of one end of the protective layer, which is close to the radiant tube, and the inner periphery of the gas channel.
9. A single-sided bezel stationary radiating arrangement as claimed in claim 8 wherein:
and one end of the fire-blocking brick, which is far away from the radiant tube, is tightly attached to the heat accumulator.
10. A single-sided bezel stationary radiating arrangement as claimed in claim 9 wherein:
and a heat insulation pad is arranged on the inner periphery of the gas channel, and the inner periphery of the heat insulation pad is tightly attached to the fire blocking bricks and the outer periphery of the heat accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022468447.5U CN213810608U (en) | 2020-10-30 | 2020-10-30 | Unilateral bevel connection fixed type radiation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022468447.5U CN213810608U (en) | 2020-10-30 | 2020-10-30 | Unilateral bevel connection fixed type radiation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213810608U true CN213810608U (en) | 2021-07-27 |
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ID=76964953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022468447.5U Active CN213810608U (en) | 2020-10-30 | 2020-10-30 | Unilateral bevel connection fixed type radiation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213810608U (en) |
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2020
- 2020-10-30 CN CN202022468447.5U patent/CN213810608U/en active Active
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