CN219616317U - Silica reation kettle inner wall scale removal device - Google Patents
Silica reation kettle inner wall scale removal device Download PDFInfo
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- CN219616317U CN219616317U CN202320325002.2U CN202320325002U CN219616317U CN 219616317 U CN219616317 U CN 219616317U CN 202320325002 U CN202320325002 U CN 202320325002U CN 219616317 U CN219616317 U CN 219616317U
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Abstract
The utility model relates to a scale removal device for the inner wall of a silicon dioxide reaction kettle, which comprises a reaction kettle, wherein a liftable annular water spraying assembly is arranged in the reaction kettle, the annular water spraying assembly is positioned at the outer side of a stirring shaft in the reaction kettle, an inner water spraying part for spraying water to the inner side is arranged on the inner peripheral side part of the annular water spraying assembly in an annular manner, and the inner water spraying part is connected with an inner water supply mechanism; the outer periphery lateral part of annular water spray subassembly is encircled and is equipped with the outer water spray portion that spouts outside, outer water spray portion is connected with outer water supply mechanism. The annular water spraying assembly capable of lifting is arranged inside the reaction kettle, water is sprayed inwards and outwards respectively by the annular water spraying assembly, so that the firm alkali scale adhered to the inner wall of the reaction kettle can be removed, meanwhile, the stirring blades and the stirring shafts in the center inside the reaction kettle are cleaned, the difficult problems of scale removal and cleaning of the inner wall of the reaction kettle are thoroughly solved, and the method makes a powerful contribution in the aspects of guaranteeing high-quality production of silicon dioxide by a precipitation method, reducing labor intensity, improving working environment, improving economic benefit, reducing waste, saving energy, reducing emission and the like.
Description
Technical field:
the utility model relates to a scale removal device for the inner wall of a silicon dioxide reaction kettle.
The background technology is as follows:
in continuous production of a precipitation method silica reaction kettle, alkali scale can be gradually formed on the inner wall of the kettle, the production quality of silica slurry is directly affected by alkali scale impurities, a manhole at the top of the kettle is required to be opened in each period of production process, a leather hose is held by a worker to extend into the kettle to clean the inner wall of the kettle by high-pressure water, but the cleaning effect on the alkali scale on the inner wall of the kettle is poor and the efficiency is low due to the reasons of angle, position, deep depth of the leather hose, firm adhesion of water pressure and alkali scale and the like. For the situation, at present, after a period of production is mainly adopted, stopping the machine, filling the reaction kettle with heated sodium hydroxide dilute alkali solution for soaking, and then flushing; if the scale is serious, workers carry scraping and shoveling tools to enter the kettle for manual scale removal, and the defects of poor working environment, high labor intensity, long downtime and waste of alkali liquor in the mode are common problems in the production of the silicon dioxide by the existing precipitation method.
The utility model comprises the following steps:
the utility model aims at improving the problems existing in the prior art, namely the technical problem to be solved by the utility model is to provide the scale removal device for the inner wall of the silicon dioxide reaction kettle, which is reasonable in design and convenient to clean.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the inner wall descaling device of the silica reaction kettle comprises a reaction kettle, wherein a liftable annular water spraying assembly is arranged in the reaction kettle, the annular water spraying assembly is positioned on the outer side of a stirring shaft in the reaction kettle, an inner water spraying part for spraying water to the inner side is arranged on the inner peripheral side part of the annular water spraying assembly in a ring manner, and the inner water spraying part is connected with an inner water supply mechanism; the outer periphery lateral part of annular water spray subassembly is encircled and is equipped with the outer water spray portion that spouts outside, outer water spray portion is connected with outer water supply mechanism.
Further, the annular water spraying assembly comprises an outer annular pipe and an inner annular pipe which are horizontally arranged, the inner annular pipe is coaxially fixed on the inner side of the outer annular pipe, a plurality of corrugated high-pressure spray heads are uniformly distributed on the circumference of the obliquely lower side of the inner ring of the inner annular pipe, and the corrugated high-pressure spray heads form an inner water spraying part; and a plurality of high-pressure water flow nozzles are uniformly distributed on the peripheral inclined lower wall of the outer ring pipe, and form an outer water spraying part.
Further, the inner water supply mechanism comprises a first high-pressure water pump, an inner water supply hose and a first electromagnetic valve, one end of the inner water supply hose is connected with a water outlet of the first high-pressure water pump through the first electromagnetic valve, and the other end of the inner water supply hose penetrates through the top of the reaction kettle and is connected with an inner annular pipe through a first quick connector; the external water supply mechanism comprises a second high-pressure pump, an external water supply hose and a second electromagnetic valve, one end of the external water supply hose is connected with a water outlet of the second high-pressure water pump through the second electromagnetic valve, and the other end of the external water supply hose penetrates through the top of the reaction kettle and then is connected with the external ring pipe through a second quick connector.
Further, the pressure of the second high-pressure water pump is larger than that of the first high-pressure water pump.
Further, a gap is formed between the outer ring pipe and the inner wall of the reaction kettle.
Further, the lifting assembly is arranged above the reaction kettle, and the moving part of the lifting assembly penetrates through the top of the reaction kettle and is fixedly connected with the inner ring pipe and the outer ring pipe through the fixing piece so as to drive the inner ring pipe and the outer ring pipe to vertically lift.
Further, a discharging pipe and a water outlet pipe are connected to the bottom outlet of the reaction kettle, a slurry outlet electromagnetic valve is installed on the discharging pipe, and a water outlet electromagnetic valve is installed on the water outlet pipe.
Compared with the prior art, the utility model has the following effects: according to the utility model, the annular water spraying assembly capable of vertically lifting is arranged in the reaction kettle, and water is sprayed to the inner side and the outer side of the annular water spraying assembly respectively, so that not only can the firm alkali scale adhered to the inner wall of the reaction kettle be removed, but also the stirring blade and the stirring shaft which are positioned in the center of the inside of the reaction kettle are cleaned, the difficult problems of scale removal and cleaning of the inner wall of the reaction kettle are thoroughly solved, and the method makes a powerful contribution to the aspects of ensuring high-quality production of the silicon dioxide by a precipitation method, reducing the labor intensity, improving the working environment, improving the economic benefit, reducing the waste, saving energy and reducing emission and the like.
Description of the drawings:
FIG. 1 is a schematic view of the structure of the embodiment of the utility model when the upper part of the reaction kettle is descaled and cleaned;
FIG. 2 is a schematic view of the structure of the embodiment of the utility model when the lower part of the reaction kettle is descaled and cleaned;
FIG. 3 is a schematic view of a front view of an annular water jet assembly in accordance with an embodiment of the present utility model;
FIG. 4 is a schematic top view of an annular water jet assembly in accordance with an embodiment of the present utility model;
FIG. 5 is a schematic view of a partial construction of an annular water jet assembly in accordance with an embodiment of the present utility model;
fig. 6 is a control schematic block diagram of an embodiment of the present utility model.
In the figure:
1-a first high-pressure water pump; 2-a first solenoid valve; 3-an inner water supply hose; 4-a second high-pressure water pump; 5-a second solenoid valve; 6-an external water supply hose; 7-a quick connector; 8-an annular water spray assembly; 9-fixing pieces; 10-lifting air cylinders; 11-cylinder rod; 12-a reaction kettle; 13-stirring the leaves; 14-a stirring shaft; 15-a stirring motor; 16-an inner annular tube; 17-an outer ring tube; 18-manhole; 19-a water outlet electromagnetic valve; 20-a slurry outlet electromagnetic valve; 21-corrugated high pressure nozzle; 22-high pressure water flow nozzle; 23-discharging pipe; 24-water outlet pipe.
The specific embodiment is as follows:
the utility model will be described in further detail with reference to the drawings and the detailed description.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 5, the scale removal device for the inner wall of the silicon dioxide reaction kettle comprises a reaction kettle 12, wherein a stirring shaft 14 and stirring blades 13 are arranged in the reaction kettle 12, a liftable annular water spraying assembly 8 is arranged in the reaction kettle 12, the annular water spraying assembly 8 is positioned at the outer side of the stirring shaft 14 in the reaction kettle 12, an inner water spraying part for spraying water to the inner side is annularly arranged at the inner peripheral side part of the annular water spraying assembly 8, and the inner water spraying part is connected with an inner water supply mechanism; the outer periphery lateral part of the annular water spray assembly 8 is annularly provided with an outer water spray part for spraying water outwards, and the outer water spray part is connected with an outer water supply mechanism. When the device works, the inner water spraying part of the annular water spraying component 8 sprays water to the inner side so as to spray water to clean the stirring shaft 14 and the stirring blades 13 in the reaction kettle 12, and the outer water spraying part of the annular water spraying component 8 sprays water to the outer side so as to spray water to clean the inner wall of the reaction kettle 12; the annular water spraying component is liftable so as to clean the inside of the reaction kettle from top to bottom.
In this embodiment, the annular water spraying assembly 8 includes an outer annular tube 17 and an inner annular tube 16 that are horizontally disposed, the inner annular tube 16 is coaxially fixed on the inner side of the outer annular tube 17, a plurality of high-quality stainless steel thick-wall corrugated high-pressure spray nozzles 21 are uniformly distributed on the circumference of the obliquely lower side of the inner ring of the inner annular tube 16, the corrugated high-pressure spray nozzles 21 can adjust angles within a certain range, so as to facilitate cleaning of the stirring vane 13 and the stirring shaft 14 that are installed in the center of the inside of the reaction kettle 12, and the plurality of corrugated high-pressure spray nozzles form an inner water spraying part; the outer ring of the outer ring pipe 17 is provided with a plurality of high-pressure water flow nozzles 22 uniformly distributed on the circumference inclined lower wall, the high-pressure water flow nozzles 22 are used for spraying high-pressure water flow, the alkali scale firmly adhered to the inner wall of the reaction kettle is removed by impact in the strong shearing direction, and the plurality of high-pressure water flow nozzles form an outer water spraying part.
In this embodiment, the internal water supply mechanism includes a first high-pressure water pump 1, an internal water supply hose 3 and a first electromagnetic valve 2, one end of the internal water supply hose 3 is connected with a water outlet of the first high-pressure water pump 1 through the first electromagnetic valve 2, the other end of the internal water supply hose 3 penetrates through the top of the reaction kettle 12 and then is connected with an internal annular pipe 16 through a first quick connector, and the first high-pressure water pump 1 conveys high-pressure water to the internal annular pipe 16 through the internal water supply hose 3. The external water supply mechanism comprises a second high-pressure pump 4, an external water supply hose 6 and a second electromagnetic valve 5, one end of the external water supply hose 6 is connected with a water outlet of the second high-pressure water pump 4 through the second electromagnetic valve 5, the other end of the external water supply hose 6 penetrates through the top of the reaction kettle 12 and then is connected with an external ring pipe 17 through a second quick connector, and the second high-pressure water pump 4 conveys high-pressure water to the external ring pipe 17 through the external water supply hose 6. The water is supplied by a high pressure water pump to ensure that a high pressure water flow of sufficient pressure is provided.
In this embodiment, the pressure of the second high-pressure water pump 4 is greater than that of the first high-pressure water pump 1, which is more beneficial to scale removal of the kettle wall.
In this embodiment, the inner water supply hose 3 and the outer water supply hose 6 each use a high-pressure rubber water supply pipe, and can follow up or retract along with the vertical movement of the annular water spray assembly.
In this embodiment, a gap is formed between the outer ring pipe 17 and the inner wall of the reaction kettle 12, which is beneficial to installation and maintenance and ensures the impact force of water flow.
In this embodiment, the lifting component is disposed above the reaction kettle 12, and the moving part of the lifting component penetrates through the top of the reaction kettle 12 and is fixedly connected with the inner annular pipe 16 and the outer annular pipe 17 through the fixing piece 9, so as to drive the inner annular pipe and the outer annular pipe to vertically lift, thereby being beneficial to removing alkali and scale from the radial and longitudinal inner walls of the reaction kettle and comprehensively cleaning the stirring blades and the shaft. Preferably, the lifting assembly adopts a vertically arranged lifting cylinder 10, and a cylinder rod 11 of the lifting cylinder 10 penetrates through the top of a reaction kettle 12 and is connected with the fixing piece 9. It should be noted that the lifting assembly may also adopt a linear driving structure such as an electric push rod, a ball screw nut pair, etc.
In this embodiment, a discharging pipe 23 and a water outlet pipe 24 are connected to the bottom outlet of the reaction kettle 12, a slurry outlet electromagnetic valve 20 is installed on the discharging pipe 23, and a water outlet electromagnetic valve 19 is installed on the water outlet pipe 24. The middle part of reation kettle is vertical to be equipped with by stirring motor drive rotatory (mixing) shaft, the (mixing) shaft is located the inboard of annular water spray subassembly, and the periphery side of (mixing) shaft is fixed with the stirring leaf. The top of the reaction kettle is provided with a manhole.
In another embodiment, the device further comprises a control module, wherein the control module is preset with: the descaling and cleaning time, the vertical movement driving range of the annular water spraying assembly, and the starting and stopping of the high-pressure water pump and the electromagnetic valve. The input end electric connection of control module is in time relay output, and control module's output electric connection respectively in: the device comprises a lifting cylinder, a first electromagnetic valve, a second electromagnetic valve, a first high-pressure water pump, a second high-pressure water pump, a slurry outlet electromagnetic valve and an input end of the water outlet electromagnetic valve.
In this embodiment, the steps for performing the descaling and cleaning operation are as follows:
1) The control module preset comprises the following steps: descaling cleaning time, a vertical movement driving range of the annular water spraying component 8, and control programs of starting and stopping of the high-pressure water pump and the electromagnetic valve;
2) After the discharging work of the silicon dioxide slurry in the reaction kettle 12 is completed and the reaction kettle is in an empty kettle state, closing a slurry discharging electromagnetic valve 20 at the bottom of the reaction kettle 12;
3) Sequentially opening a water outlet electromagnetic valve 19, a first electromagnetic valve 2 and a second electromagnetic valve 5 at the bottom of the reaction kettle 12;
4) Starting the first high-pressure water pump 1, uniformly distributing the high-pressure water flow through corrugated high-pressure spray heads 21 which are obliquely arranged at the periphery of the inner ring pipe 16 at lower angles, and spraying the high-pressure water flow to perform powerful water flow flushing with stirring blades 13 and stirring shafts 14 which face the center of the reaction kettle at four sides, wherein the corrugated high-pressure spray heads 21 can be adjusted in advance in a certain angle range;
5) Starting a second high-pressure water pump 4, enabling high-pressure water flow to pass through high-pressure water flow nozzles 22 obliquely arranged at the periphery of an outer ring pipe 17, obliquely spraying high-pressure shearing water flow, performing high-pressure powerful water flow shearing impact on the alkali scale adhered to the inner walls at the periphery of the reaction kettle 12, and enabling the fallen alkali scale to flow out through a water outlet electromagnetic valve 19 at the bottom of the reaction kettle together with impact water flow;
6) Starting a lifting cylinder, wherein a cylinder rod 11 of the lifting cylinder 10 drives an annular water spraying assembly 8 to vertically move downwards at a set speed through a fixing piece 9, and high-pressure water flow nozzles 22 around an outer annular pipe 17 keep high-pressure strong water flow shearing impact in the radial direction and the axial direction on alkali scale on the inner wall of the reaction kettle, so that the alkali scale on the inner wall of the reaction kettle 12 is washed clean;
7) The corrugated high-pressure spray heads 21 of the inner annular pipe 16 spray high-pressure water flow to the radial direction and the axial direction of the stirring blades 13 and the stirring shaft 14 in the center of the reaction kettle to perform powerful water flow flushing;
8) The inner water supply hose 3 connected with the inner annular pipe 16 and the outer water supply hose 6 connected with the outer annular pipe 17 can follow up and retract along with the vertical lifting of the inner annular pipe and the outer annular pipe;
9) When the preset setting time is reached, automatically stopping the first high-pressure water pump 1 and the second high-pressure water pump 4, closing the first electromagnetic valve 2 and the second electromagnetic valve 5, and stopping high-pressure water flow impact and cleaning;
10 The control module controls the cylinder rod 11 of the lifting cylinder 10 to vertically move upwards, and the inner and outer ring pipes are pulled to the initial position and then stopped;
11 After the flushing water in the reaction kettle 12 is completely flowed, the water outlet electromagnetic valve 19 at the bottom of the reaction kettle 12 is closed, the descaling and cleaning work is completed, and the descaling and cleaning work in the next period is waited.
If the utility model discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.
Any part provided by the utility model can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (7)
1. The utility model provides a silica reation kettle inner wall scale removal device, includes reation kettle, its characterized in that: the inside of the reaction kettle is provided with a liftable annular water spraying component, the annular water spraying component is positioned at the outer side of a stirring shaft in the reaction kettle, the inner peripheral side part of the annular water spraying component is annularly provided with an inner water spraying part spraying water to the inner side, and the inner water spraying part is connected with an inner water supply mechanism; the outer periphery lateral part of annular water spray subassembly is encircled and is equipped with the outer water spray portion that spouts outside, outer water spray portion is connected with outer water supply mechanism.
2. The silica reaction kettle inner wall descaling device according to claim 1, wherein: the annular water spraying assembly comprises an outer annular pipe and an inner annular pipe which are horizontally arranged, the inner annular pipe is coaxially fixed on the inner side of the outer annular pipe, a plurality of corrugated high-pressure spray heads are uniformly distributed on the circumference of the obliquely lower side of the inner ring of the inner annular pipe, and the corrugated high-pressure spray heads form an inner water spraying part; and a plurality of high-pressure water flow nozzles are uniformly distributed on the peripheral inclined lower wall of the outer ring pipe, and form an outer water spraying part.
3. The silica reaction kettle inner wall descaling device according to claim 2, wherein: the inner water supply mechanism comprises a first high-pressure water pump, an inner water supply hose and a first electromagnetic valve, one end of the inner water supply hose is connected with a water outlet of the first high-pressure water pump through the first electromagnetic valve, and the other end of the inner water supply hose penetrates through the top of the reaction kettle and is connected with an inner annular pipe through a first quick connector; the external water supply mechanism comprises a second high-pressure pump, an external water supply hose and a second electromagnetic valve, one end of the external water supply hose is connected with a water outlet of the second high-pressure water pump through the second electromagnetic valve, and the other end of the external water supply hose penetrates through the top of the reaction kettle and then is connected with the external ring pipe through a second quick connector.
4. A silica reaction kettle inner wall descaling device according to claim 3, wherein: the pressure of the second high-pressure water pump is larger than that of the first high-pressure water pump.
5. The silica reaction kettle inner wall descaling device according to claim 2, wherein: and a gap is reserved between the outer ring pipe and the inner wall of the reaction kettle.
6. The silica reaction kettle inner wall descaling device according to claim 2, wherein: the upper part of the reaction kettle is provided with a lifting assembly, and a moving part of the lifting assembly penetrates through the top of the reaction kettle and is fixedly connected with the inner ring pipe and the outer ring pipe through a fixing piece so as to drive the inner ring pipe and the outer ring pipe to vertically lift.
7. The silica reaction kettle inner wall descaling device according to claim 1, wherein: the bottom outlet of the reaction kettle is connected with a discharging pipe and a water outlet pipe, a slurry outlet electromagnetic valve is arranged on the discharging pipe, and a water outlet electromagnetic valve is arranged on the water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320325002.2U CN219616317U (en) | 2023-02-27 | 2023-02-27 | Silica reation kettle inner wall scale removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320325002.2U CN219616317U (en) | 2023-02-27 | 2023-02-27 | Silica reation kettle inner wall scale removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219616317U true CN219616317U (en) | 2023-09-01 |
Family
ID=87777083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320325002.2U Active CN219616317U (en) | 2023-02-27 | 2023-02-27 | Silica reation kettle inner wall scale removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219616317U (en) |
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2023
- 2023-02-27 CN CN202320325002.2U patent/CN219616317U/en active Active
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