CN215506292U - Fluidization bottom bin tail end helps blows device - Google Patents
Fluidization bottom bin tail end helps blows device Download PDFInfo
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- CN215506292U CN215506292U CN202122226221.9U CN202122226221U CN215506292U CN 215506292 U CN215506292 U CN 215506292U CN 202122226221 U CN202122226221 U CN 202122226221U CN 215506292 U CN215506292 U CN 215506292U
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Abstract
The utility model discloses a tail end blowing assisting device of a fluidized bottom bin, which comprises the fluidized bottom bin, an air cannon and an airflow accelerating device, wherein the inlet end of the air cannon is connected with an electromagnetic valve through a screw joint, the outlet end of the air cannon is connected with a connecting pipe through a flange, the left end of the connecting pipe is fixedly connected with the airflow accelerating device, the airflow accelerating device comprises an accelerating tube main body, the accelerating tube main body comprises a cylindrical straight section, a reducing and reducing tapered section, an airflow primary accelerating section, an airflow secondary accelerating section and a round and square tapered section which are sequentially connected along the air flowing direction, and a plurality of small airflow accelerators which are uniformly distributed are arranged in the airflow secondary accelerating section. The utility model can instantly disperse the slaked lime accumulated at the tail of the fluidized bottom bin.
Description
Technical Field
The utility model belongs to the technical field of bag-type dust collectors, and particularly relates to a fluidized bottom bin tail end blowing assisting device.
Background
At present, a fluidization bottom bin of a bag-type dust collector in the NID process at home and abroad is generally provided with a fluidization fan, the fluidization fan generates fluidization wind, and slaked lime is blown up and flows through fluidization cloth of the fluidization bottom bin, so that the slaked lime circularly flows into an NID reaction tower to remove sulfur dioxide in flue gas.
Although this process can improve desulfurization efficiency, there is a problem in that, when the number of chutes connected to the fluidized-bed bin reaches 10 or more, the length of the corresponding fluidized-bed bin increases, so that a large amount of slaked lime is accumulated at the rear of the fluidized-bed bin, thereby causing deterioration in fluidity of the slaked lime. In view of this, it is necessary to develop a blowing-assisting device for the tail end of the fluidized bed bin.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide the fluidized bottom bin tail end blowing assisting device which can instantly flush and disperse the hydrated lime accumulated at the tail part of the fluidized bottom bin.
In order to achieve the above object, the present invention adopts the following technical solutions:
the utility model provides a fluidization end storehouse tail end helps blows device, including fluidization end storehouse, air bubble and air flow accelerating device, the entrance point of air bubble is through connecting the solenoid valve to the silk joint, its exit end passes through the flange joint and takes over, the left end fixed connection air flow accelerating device of takeover, air flow accelerating device includes the accelerating tube main part, the accelerating tube main part includes the cylindrical straight section that connects gradually along the gas flow direction, reducing convergent section, the section is once accelerated to the air current, the section is accelerated to the air current secondary and circle becomes square divergent section, the inside of the section is accelerated to the air current secondary is provided with a plurality of evenly distributed's small-size air flow accelerator.
Preferably, air inlets are arranged at 1/4-1/3 of the tail height of the fluidized bottom bin, and the air outlet end of the accelerating tube main body is connected with the air inlets.
Still preferably, the bottom end of the air cannon is fixed on the side wall of the fluidization bottom bin through a triangular support frame.
More preferably, the top end of the air cannon is provided with a safety valve, and when the compressed air in the air cannon reaches the set pressure, the safety valve automatically opens to discharge the redundant air so as to achieve the effect of reducing the internal pressure of the air cannon.
Further preferably, the length of the air flow secondary acceleration section is 1/3 of the length of the air flow primary acceleration section.
Specifically, the outer end of the electromagnetic valve is connected with a compressed air storage tank through a pipeline.
Preferably, the vertical cross section of the air inlet end of the round-to-square gradually-expanding section is round, and the vertical cross section of the air outlet end is square, so that air flow diffusion is facilitated.
The utility model has the advantages that: the utility model has simple structure, and the slaked lime accumulated at the tail part of the fluidized bottom bin can be instantly dispersed by the air cannon and the gas accelerating device, thereby improving the flowing effect of the slaked lime; the compressed air flow transmitted from the connecting pipe can be respectively subjected to primary acceleration and secondary acceleration through the airflow accelerators in the airflow primary acceleration section and the airflow secondary acceleration section, so that the flow of the compressed air flow can be accelerated, and the blowing effect of the hydrated lime is improved; the air outlet end of the air flow accelerating device adopts a circle-to-square gradually-expanding section, so that the air flow can be conveniently diffused.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the main body of the acceleration tube of the present invention;
FIG. 3 is a top view of the acceleration tube body of the present invention;
fig. 4 is a right side view of the acceleration pipe body in the present invention.
The meaning of the reference symbols in the figures: 1. fluidized bottom bin, 2, air cannon, 3, butt joint, 4, solenoid valve, 5, flange, 6, adapter, 7, accelerating tube main body, 7.1, cylindrical straight section, 7.2, reducing gradually-reducing section, 7.3, air flow primary accelerating section, 7.4, air flow secondary accelerating section, 7.5, circle-changing square gradually-expanding section, 8, air flow accelerator, 9, triangular support frame, 10 and safety valve.
Detailed Description
The utility model is described in detail below with reference to the figures and the embodiments.
Referring to fig. 1-4, the tail-end blowing-assisting device for the fluidized bottom bin 1 comprises the fluidized bottom bin 1, an air cannon 2 and an airflow accelerating device, wherein the inlet end of the air cannon 2 is connected with an electromagnetic valve 4 through a wire butt joint 3, and the outer end of the electromagnetic valve 4 is connected with a compressed air storage tank through a pipeline. The outlet end of the air cannon 2 is connected with a connecting pipe 6 through a flange 5, the left end of the connecting pipe 6 is fixedly connected with an airflow accelerating device, and the bottom end of the air cannon 2 is fixed on the side wall of the fluidization bottom bin 1 through a triangular support frame 9. The top end of the air cannon 2 is provided with a safety valve 10, and when the compressed air in the air cannon 2 reaches the set pressure, the safety valve 10 automatically opens to discharge the redundant air so as to achieve the effect of reducing the internal pressure of the air cannon 2.
The gas flow accelerating device comprises an accelerating tube main body 7, the accelerating tube main body 7 comprises a cylindrical straight section 7.1, a reducing and reducing section 7.2, a gas flow primary accelerating section 7.3, a gas flow secondary accelerating section 7.4 and a circle changing and square gradually expanding section 7.5 which are sequentially connected along the gas flow direction, the vertical section of the gas inlet end of the circle changing and square gradually expanding section 7.5 is circular, the vertical section of the gas outlet end is square, and the length of the gas flow secondary accelerating section 7.4 is 1/3 of the gas flow primary accelerating section 7.3. A plurality of small airflow accelerators 8 which are uniformly distributed are arranged in the airflow secondary acceleration section 7.4. An air inlet is arranged at 1/4-1/3 of the tail height of the fluidized bottom bin 1, and the air outlet end of the accelerating tube main body 7 is connected with the air inlet.
In order to better illustrate the utility model, the working process thereof is specifically described below:
through the switch of the control solenoid valve 4, compressed air enters the air cannon 2 from the compressed air storage tank, the compressed air in the air cannon 2 enters the accelerating tube through the connecting tube 6, sequentially enters the primary accelerating section 7.3 of air flow through the cylindrical straight section 7.1 and the reducing and reducing section 7.2, the primary acceleration of the compressed air is completed, then enters the small-sized air flow accelerator 8 in the secondary accelerating section 7.4 of the air flow, the secondary acceleration of the compressed air is completed, the accelerated compressed air enters the air inlet at the tail part of the fluidization bottom bin 1, and soot in the fluidization bottom bin 1 is blown.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (7)
1. The utility model provides a fluidization end storehouse tail end helps blows device, includes fluidization end storehouse (1), air bubble (2) and air current accelerating device, its characterized in that, the entrance point of air bubble (2) is through connecting solenoid valve (4) to nipple (3), and its exit end passes through flange (5) joint pipe (6), the left end fixed connection air current accelerating device of takeover (6), air current accelerating device is including accelerating tube main part (7), accelerating tube main part (7) are including cylindrical straight section (7.1), reducing section (7.2), the primary acceleration section of air current (7.3), air current secondary acceleration section (7.4) and circle become square gradually expand section (7.5) that connect gradually along the gas flow direction, the inside of air current secondary acceleration section (7.4) is provided with a plurality of evenly distributed's small-size air current accelerator (8).
2. The fluidized bottom bin tail end blowing assisting device is characterized in that air inlets are formed in the positions 1/4-1/3 of the tail height of the fluidized bottom bin (1), and the air outlet end of the accelerating tube main body (7) is connected with the air inlets.
3. The fluidized bed bin tail end blowing-assisting device is characterized in that the bottom end of the air cannon (2) is fixed on the side wall of the fluidized bed bin (1) through a triangular support frame (9).
4. The fluidized bed tail end blowing-assisted device according to claim 1, characterized in that the top end of the air cannon (2) is provided with a safety valve (10).
5. The fluidized bed bottom bin tail end blowing aid according to claim 1, characterized in that the length of the gas flow secondary acceleration section (7.4) is 1/3 times the length of the gas flow primary acceleration section (7.3).
6. The fluidized bed bottom bin tail end blowing-assisting device is characterized in that the outer end of the electromagnetic valve (4) is connected with a compressed air storage tank through a pipeline.
7. The fluidized bottom bin tail end blowing-assisting device as claimed in claim 1, wherein the vertical cross section of the air inlet end of the round-square-changing gradually-expanding section (7.5) is round, and the vertical cross section of the air outlet end is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122226221.9U CN215506292U (en) | 2021-09-15 | 2021-09-15 | Fluidization bottom bin tail end helps blows device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122226221.9U CN215506292U (en) | 2021-09-15 | 2021-09-15 | Fluidization bottom bin tail end helps blows device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215506292U true CN215506292U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122226221.9U Active CN215506292U (en) | 2021-09-15 | 2021-09-15 | Fluidization bottom bin tail end helps blows device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215506292U (en) |
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2021
- 2021-09-15 CN CN202122226221.9U patent/CN215506292U/en active Active
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