Internal pressure control device of fluidized bed roaster

Abstract

The utility model discloses an internal pressure control device of a fluidized bed roaster, which relates to the technical field of pressure control devices and comprises an air inlet device, a connecting unit fixedly connected to one side of the air inlet device and an adjusting unit arranged on one side of the connecting unit. The connecting unit comprises a first connecting pipe fixedly connected to one side of the air inlet device, a second connecting pipe arranged on one side of the first connecting pipe, and locking assemblies arranged on one side of the first connecting pipe and one side of the second connecting pipe correspondingly. The adjusting unit comprises a rotating column arranged between the first connecting pipe and the second connecting pipe, a clamping assembly arranged in the rotating column and an adjusting assembly arranged on one side of the clamping assembly. According to the internal pressure control device of the fluidized bed roaster, the connecting stability of the first connecting pipe and the rotating column and the connecting stability of the second connecting pipe and the rotating column are improved, meanwhile, pipelines can be easily disassembled, and the pressurized or decompressed gas flow can be rapidly changed.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure control devices, in particular to an internal pressure control device of a fluidized bed roasting furnace. Background Art

[0002] Fluidized bed roaster is also called fluidized bed roaster. It is a device that roasts sulfide ore using solid fluidization technology. The roasting process releases reaction heat and produces sulfur dioxide-containing gas, which is mainly used to make sulfuric acid, and the slag is used as metallurgical raw material.

[0003] After searching the publication (announcement) number: CN204388618U, an intelligent pressure control device for a roasting furnace is disclosed, including a roasting furnace, an exhaust pipe is designed on the roasting furnace, an electromagnetic valve and a barometer are installed on the exhaust pipe, the barometer has a built-in power supply, a wandering pointer is provided on the upper left side of the barometer, and the pointer of the barometer, the electromagnetic valve and the wandering pointer together form a closed loop. The use of the utility model can prevent the pressure from being too high on the one hand, and on the other hand, the material can meet the pressure maintenance requirements during the reaction, improve the electrochemical performance of the material, and release the pressure in time to ensure safe production.

[0004] Although the above scheme improves the electrochemical properties of the material and timely releases pressure to ensure safe production, the pressure inside the boiling roasting furnace may change at any time and it may be necessary to pressurize or depressurize it. Therefore, it is necessary to be able to adjust the gas flow of pressurization or decompression in time, and it is not convenient when connecting the pipeline. If the pipeline is damaged, it is not convenient to replace it. Utility Model Content

[0005] The main purpose of the utility model is to provide an internal pressure control device for a boiling roasting furnace, which solves the problem of inconvenience in pipeline connection and inconvenient replacement if the pipeline is damaged by setting an adjustment unit, and solves the problem of timely adjusting the gas flow rate of pressurization or decompression by setting a connection unit.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An internal pressure control device of a fluidized bed roasting furnace comprises an air inlet device, a connecting unit fixedly connected to one side of the air inlet device, and a regulating unit arranged on one side of the connecting unit;

[0008] The connecting unit includes a first connecting pipe fixedly connected to one side of the air inlet device, a second connecting pipe arranged on one side of the first connecting pipe, and locking assemblies respectively arranged on one side of the first connecting pipe and the second connecting pipe;

[0009] The adjusting unit comprises a rotating column arranged between the first connecting tube and the second connecting tube, a clamping assembly arranged inside the rotating column, and an adjusting assembly arranged on one side of the clamping assembly.

[0010] Preferably, the locking assembly in the connecting unit includes an annular groove opened on the outside of the first connecting tube, a protruding ring fixedly connected to one side of the first connecting tube, an adjustment plate fixedly connected to the inside of the first connecting tube, and a plurality of through holes opened inside the adjustment plate.

[0011] Preferably, the distance between the plurality of through holes in the connection unit is greater than the diameter of the through holes themselves.

[0012] Preferably, the snap-on assembly in the adjustment unit includes a plurality of arc grooves symmetrically opened inside the inner wall of the rotating column, a movable groove connected to one side of the second arc groove, a plurality of elastic columns arranged inside the arc groove, a spring arranged on the surface of the elastic column, and an arc plate fixedly connected to one side of the elastic column.

[0013] Preferably, one end of the arc-shaped plate in the adjusting unit passes through the movable groove and extends to the inside of the annular groove.

[0014] Preferably, the adjustment assembly in the adjustment unit includes a fixed disk fixedly connected to the middle of the inner wall of the rotating column, a plurality of adjustment holes opened inside the fixed disk, and annular limiting grooves symmetrically opened on both sides of the fixed disk.

[0015] Preferably, the annular limiting groove in the adjustment unit is engaged with two protruding rings, and the diameter of the adjustment hole is the same as the diameter of the through hole.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. In the utility model, through the setting of the connecting unit, since a protruding ring is provided on one side of the first connecting tube and the second connecting tube, the protruding ring will extend to the inside of the corresponding annular limiting groove, and at the same time, under the action of the elastic column and the spring, the arc plate is driven to extend into the annular groove, thereby improving the connection stability between the first connecting tube and the second connecting tube and the rotating column. At the same time, if the pipeline is damaged, the pipeline can be easily disassembled.

[0018] 2. In the utility model, through the setting of the adjustment unit, since the diameter of the adjustment hole is the same as the diameter of the through hole, and the distance between the multiple through holes is greater than the diameter of the through hole itself, when the rotating column is twisted, the rotating column will drive the fixed disk to rotate, and at the same time drive the adjustment hole to coincide with the through holes on both sides, and the pressurized or decompressed gas flow rate is changed by the different degrees of overlap, thereby improving the convenience of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2It is a schematic diagram of the three-dimensional structure of the first connecting pipe in the utility model;

[0021] Figure 3 It is a right side view of the first connecting pipe in the utility model;

[0022] Figure 4 It is a cross-sectional view of the rotating column in the utility model;

[0023] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure in the middle.

[0024] In the figure:

[0025] 1. Air inlet device;

[0026] 2. Connecting unit; 201. First connecting pipe; 202. Second connecting pipe; 203. Annular groove; 204. Protruding ring; 205. Adjusting plate; 206. Through hole;

[0027] 3. Adjustment unit; 301. Rotation column; 302. Fixed disk; 303. Adjustment hole; 304. Annular limit groove; 305. Elastic column; 306. Spring; 307. Arc groove; 308. Arc plate. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0029] Example 1

[0030] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, an internal pressure control device of a fluidized bed roasting furnace comprises an air inlet device 1, a connecting unit 2 fixedly connected to one side of the air inlet device 1, and an adjusting unit 3 arranged at one side of the connecting unit 2;

[0031] The connecting unit 2 includes a first connecting pipe 201 fixedly connected to one side of the air inlet device 1, a second connecting pipe 202 arranged on one side of the first connecting pipe 201, and locking components respectively arranged on one side of the first connecting pipe 201 and the second connecting pipe 202;

[0032] The adjusting unit 3 includes a rotating column 301 disposed between the first connecting tube 201 and the second connecting tube 202 , a clamping assembly disposed inside the rotating column 301 , and an adjusting assembly disposed on one side of the clamping assembly.

[0033] The locking assembly in the connecting unit 2 includes an annular groove 203 opened on the outside of the first connecting tube 201, a protruding ring 204 fixedly connected to one side of the first connecting tube 201, an adjustment plate 205 fixedly connected to the inside of the first connecting tube 201, and a plurality of through holes 206 opened inside the adjustment plate 205.

[0034] The distance between the plurality of through holes 206 in the connection unit 2 is greater than the diameter of the through hole 206 itself.

[0035] The snap-on assembly in the adjustment unit 3 includes a plurality of arc grooves 307 symmetrically opened inside the inner wall of the rotating column 301, a movable groove connected to one side of the second arc groove 307, a plurality of elastic columns 305 arranged inside the arc groove 307, a spring 306 arranged on the surface of the elastic column 305, and an arc plate 308 fixedly connected to one side of the elastic column 305.

[0036] One end of the arc plate 308 in the adjustment unit 3 passes through the movable groove and extends to the inside of the annular groove 203 .

[0037] The adjustment assembly in the adjustment unit 3 includes a fixed disk 302 fixedly connected to the middle of the inner wall of the rotating column 301 , a plurality of adjustment holes 303 opened inside the fixed disk 302 , and annular limiting grooves 304 symmetrically opened on both sides of the fixed disk 302 .

[0038] The annular limiting groove 304 in the adjusting unit 3 is engaged with the two protruding rings 204 , and the diameter of the adjusting hole 303 is the same as the diameter of the through hole 206 .

[0039] Since a protruding ring 204 is provided on one side of the first connecting tube 201 and the second connecting tube 202, and the protruding ring 204 extends to the inside of the corresponding annular limiting groove 304, the arc plate 308 is driven to extend into the annular groove 203 under the action of the elastic column 305 and the spring 306, thereby improving the connection stability between the first connecting tube 201 and the second connecting tube 202 and the rotating column 301. At the same time, if the pipeline is damaged, the pipeline can be easily disassembled.

[0040] Example 2

[0041] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, an internal pressure control device of a fluidized bed roasting furnace comprises an air inlet device 1, a connecting unit 2 fixedly connected to one side of the air inlet device 1, and an adjusting unit 3 arranged at one side of the connecting unit 2;

[0042] The connecting unit 2 includes a first connecting pipe 201 fixedly connected to one side of the air inlet device 1, a second connecting pipe 202 arranged on one side of the first connecting pipe 201, and locking components respectively arranged on one side of the first connecting pipe 201 and the second connecting pipe 202;

[0043] The adjusting unit 3 includes a rotating column 301 disposed between the first connecting tube 201 and the second connecting tube 202 , a clamping assembly disposed inside the rotating column 301 , and an adjusting assembly disposed on one side of the clamping assembly.

[0044] The locking assembly in the connecting unit 2 includes an annular groove 203 opened on the outside of the first connecting tube 201, a protruding ring 204 fixedly connected to one side of the first connecting tube 201, an adjustment plate 205 fixedly connected to the inside of the first connecting tube 201, and a plurality of through holes 206 opened inside the adjustment plate 205.

[0045] The distance between the plurality of through holes 206 in the connection unit 2 is greater than the diameter of the through hole 206 itself.

[0046] The snap-on assembly in the adjustment unit 3 includes a plurality of arc grooves 307 symmetrically opened inside the inner wall of the rotating column 301, a movable groove connected to one side of the second arc groove 307, a plurality of elastic columns 305 arranged inside the arc groove 307, a spring 306 arranged on the surface of the elastic column 305, and an arc plate 308 fixedly connected to one side of the elastic column 305.

[0047] One end of the arc plate 308 in the adjustment unit 3 passes through the movable groove and extends to the inside of the annular groove 203 .

[0048] The adjustment assembly in the adjustment unit 3 includes a fixed disk 302 fixedly connected to the middle of the inner wall of the rotating column 301 , a plurality of adjustment holes 303 opened inside the fixed disk 302 , and annular limiting grooves 304 symmetrically opened on both sides of the fixed disk 302 .

[0049] The annular limiting groove 304 in the adjusting unit 3 is engaged with the two protruding rings 204 , and the diameter of the adjusting hole 303 is the same as the diameter of the through hole 206 .

[0050] Since the diameter of the adjustment hole 303 is the same as the diameter of the through hole 206, and the distance between the multiple through holes 206 is greater than the diameter of the through hole 206 itself, when the rotating column 301 is twisted, the rotating column 301 will drive the fixed disk 302 to rotate, and at the same time drive the adjustment hole 303 to overlap with the through holes 206 on both sides. The pressurized or decompressed gas flow rate is changed by the different degrees of overlap, thereby improving the convenience of use of the device.

[0051] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An internal pressure control device of a fluidized bed roasting furnace, comprising an air inlet device (1), characterized in that: It also includes a connection unit (2) fixedly connected to one side of the air inlet device (1), and an adjustment unit (3) arranged on one side of the connection unit (2); The connection unit (2) comprises a first connection pipe (201) arranged and fixedly connected to one side of the air inlet device (1), a second connection pipe (202) arranged on one side of the first connection pipe (201), and locking components respectively arranged on one side of the first connection pipe (201) and the second connection pipe (202); The adjustment unit (3) comprises a rotating column (301) arranged between the first connecting tube (201) and the second connecting tube (202), a clamping assembly arranged inside the rotating column (301), and an adjustment assembly arranged on one side of the clamping assembly.

2. The internal pressure control device of a fluidized bed roasting furnace according to claim 1, characterized in that: The locking assembly in the connection unit (2) comprises an annular groove (203) formed on the outside of the first connection tube (201), a protruding ring (204) fixedly connected to one side of the first connection tube (201), an adjustment plate (205) fixedly connected to the inside of the first connection tube (201), and a plurality of through holes (206) formed in the inside of the adjustment plate (205).

3. The internal pressure control device of a fluidized bed roasting furnace according to claim 2, characterized in that: The distance between the multiple through holes (206) in the connection unit (2) is greater than the diameter of the through hole (206) itself.

4. The internal pressure control device of a fluidized bed roasting furnace according to claim 3, characterized in that: The clamping assembly in the adjustment unit (3) comprises a plurality of arc-shaped grooves (307) symmetrically arranged inside the inner wall of the rotating column (301), a movable groove connected to one side of the second arc-shaped groove (307), a plurality of elastic columns (305) arranged inside the arc-shaped groove (307), a spring (306) arranged on the surface of the elastic column (305), and an arc-shaped plate (308) fixedly connected to one side of the elastic column (305).

5. The internal pressure control device of a fluidized bed roasting furnace according to claim 4, characterized in that: One end of the arc-shaped plate (308) in the adjustment unit (3) passes through the movable groove and extends to the inside of the annular groove (203).

6. The internal pressure control device of a fluidized bed roasting furnace according to claim 5, characterized in that: The adjustment component in the adjustment unit (3) comprises a fixed disk (302) fixedly connected to the middle of the inner wall of the rotating column (301), a plurality of adjustment holes (303) arranged inside the fixed disk (302), and annular limiting grooves (304) symmetrically arranged on both sides of the fixed disk (302).

7. The internal pressure control device of a fluidized bed roasting furnace according to claim 6, characterized in that: The annular limiting groove (304) in the adjustment unit (3) is engaged with the two protruding rings (204), and the diameter of the adjustment hole (303) is the same as the diameter of the through hole (206).

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