CN218901860U - Lime neutralization reaction tank - Google Patents
Lime neutralization reaction tank Download PDFInfo
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- CN218901860U CN218901860U CN202223277707.6U CN202223277707U CN218901860U CN 218901860 U CN218901860 U CN 218901860U CN 202223277707 U CN202223277707 U CN 202223277707U CN 218901860 U CN218901860 U CN 218901860U
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- Prior art keywords
- inner shaft
- shaft
- outer shaft
- reaction tank
- neutralization reaction
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- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 17
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 17
- 239000004571 lime Substances 0.000 title claims abstract description 17
- 238000006386 neutralization reaction Methods 0.000 title claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000005273 aeration Methods 0.000 claims abstract description 8
- 238000007790 scraping Methods 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000002156 mixing Methods 0.000 description 14
- 239000012530 fluid Substances 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 9
- 230000000739 chaotic effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a lime neutralization reaction tank, which comprises a tank body and a tank cover arranged at the top end of the tank body, wherein a feed inlet and a water inlet pipe are respectively arranged on the tank cover, a discharge outlet is arranged at the bottom of the tank body, a water outlet pipe is arranged on the side wall of the tank body, an aeration disc is arranged at the position, close to the bottom, of an inner cavity of the tank body, a stirring mechanism is arranged in the inner cavity of the tank body, and a driving mechanism for driving the stirring mechanism to rotate is arranged on the tank cover.
Description
Technical Field
The utility model relates to the technical field of chemical equipment, in particular to a lime neutralization reaction tank.
Background
Slaked lime belongs to strong alkali, and is mainly applied to secondary sewage treatment and used as a PH regulator of acid wastewater. The regulation effect of the waste water is mainly influenced by the effective content, the adding amount and the water temperature of the slaked lime. Lime is required to be fed into the reaction vessel for the mixing reaction.
The reaction kettle is widely understood to be a container with physical or chemical reaction, and the heating, evaporating and cooling functions and the low-speed and high-speed mixing functions required by the process are realized through structural design and parameter configuration of the container.
At present, most of the existing reaction kettles are vertically distributed stirring shafts to drive stirring blades to stir in a rotating mode, so that fluid in the reaction kettles can only move in the axial direction, all material pieces cannot be sufficiently stirred, the mixing effect is poor, materials are easy to adhere to the inner wall of the reaction kettles, and the materials are not easy to remove.
Disclosure of Invention
The utility model aims to provide a lime neutralization reaction tank to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the lime neutralization reaction tank comprises a tank body and a tank cover arranged at the top end of the tank body, wherein a feed inlet and a water inlet pipe are respectively arranged on the tank cover, a discharge outlet is arranged at the bottom of the tank body, a water outlet pipe is arranged on the side wall of the tank body, an aeration disc is arranged at the position, close to the bottom, of an inner cavity of the tank body, a stirring mechanism is arranged in the inner cavity of the tank body, and a driving mechanism for driving the stirring mechanism to rotate is arranged on the tank cover; wherein,,
the stirring mechanism comprises an inner shaft and an outer shaft sleeved on the outer side of the inner shaft and rotationally connected with the inner shaft, the top ends of the inner shaft and the outer shaft extend to the upper portion of the kettle cover, two stirring blades distributed up and down are arranged at the bottom of the inner shaft, four scraping plates which are in contact with the inner shaft and rotate with stirring She Fanxiang are arranged on the inner wall of the kettle body, and the four scraping plates are fixedly connected with the side wall of the outer shaft through two elastic telescopic rods.
As a further scheme of the utility model: the length of the inner shaft is longer than that of the outer shaft, the upper end and the lower end of the inner shaft extend to the outer sides of the upper end and the lower end of the outer shaft, and the outer shaft is rotationally connected with the kettle cover through a bearing.
As still further aspects of the utility model: the middle part of the aeration disc is provided with a circular hole.
As still further aspects of the utility model: the stirring blades are formed by three blades distributed in a circumferential array, and the blades on the upper stirring blade and the lower stirring blade are distributed in a staggered manner.
As still further aspects of the utility model: an inclined angle is formed between the upper section and the lower section of the scraping plate.
As still further aspects of the utility model: the driving mechanism comprises a motor, a second belt pulley and a large gear are sleeved on the shaft part of the motor respectively, a first belt pulley is sleeved on the top end of the inner shaft, a small gear is sleeved on the top end of the outer shaft, the first belt pulley is connected with the second belt pulley through a belt, the large gear is rotationally connected with the small gear, the small gear is meshed with the large gear, a U-shaped support is arranged on the kettle cover, and the motor is fixedly connected with the side wall of the support.
As still further aspects of the utility model: the top of interior axle and outer axle all extends to the top of support, just outer axle passes through the bearing and rotates with the support and be connected, the top of interior axle is connected with L type frame through the bearing rotation, the vertical section bottom of L type frame is connected with the upper surface fixed of support.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, four scraping plates rotating clockwise and two groups of stirring blades rotating anticlockwise are arranged, so that the scraping plates and the stirring blades rotate in opposite directions, the fluid in the inner cavity of the kettle body can be fully stirred, when the inner shaft drives the upper stirring blade and the lower stirring blade to rotate under the action of six stirring blades distributed in a staggered mode, the fluid in the stirring kettle body can form integral chaotic flow when in an aperiodic motion state, the staggered six bending blades form an asymmetric flow field structure in an axial space, the aperiodic motion state is added in the kettle body, thereby damaging a chaotic isolation area in the kettle body, accelerating the inner chaotic mixing, and in fact, the misplacement even distribution is just the axial flow force added on the flow field structure generated by the radial flow stirrer, and the oblique vortex is formed in space, so that the mixing effect is enhanced.
2. The upper part of the scraping plate is inclined at the middle height of the scraping plate, and the purpose is that when the scraping plate rotates clockwise along with the outer shaft, the stirring She Gensui inner shaft rotates anticlockwise, so that an upper circulation area between the scraping plate and the stirring blade generates a large vortex inclined in space, asymmetric flow factors are increased in space, chaotic mixing is promoted, compared with the vertical scraping plate, the influence on the flow of a flow field is larger, the secondary circulation of fluid can be induced near the inclined position, positive significance is achieved on the mixing of the fluid, a streamline in a kettle body below the scraping plate has more movement in an inclined direction, and under the vertical scraping plate, the movement of the streamline is more in an axial direction, so that the movement of the fluid in the kettle body containing the inclined scraping plate is distributed over the whole fluid area, a better mixing effect is predicted, and under the elastic action of the elastic telescopic rod, the scraping plate is in close contact with the inner wall of the kettle body, the phenomenon that materials are adhered on the inner wall of the kettle body can be effectively prevented, and the mixing effect is further improved.
Drawings
FIG. 1 is a schematic diagram of a lime neutralization reaction tank.
Fig. 2 is a front view of fig. 1.
FIG. 3 is a schematic structural view of a stirring mechanism in a reaction tank of a lime neutralization method.
In the figure: 1. a kettle body; 2. a kettle cover; 3. a feed inlet; 4. a discharge port; 5. a water inlet pipe; 6. a water outlet pipe; 7. a bracket; 8. an inner shaft; 9. an outer shaft; 10. a first pulley; 11. a pinion gear; 12. a motor; 13. a second pulley; 14. a large gear; 15. an L-shaped frame; 18. stirring the leaves; 19. a scraper; 20. an elastic telescopic rod; 21. an aeration disc; 22. and (3) a blade.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, in the embodiment of the utility model, a lime neutralization reaction tank comprises a tank body 1 and a tank cover 2 arranged at the top end of the tank body 1, wherein a feed inlet 3 and a water inlet pipe 5 are respectively arranged on the tank cover 2, a discharge outlet 4 is arranged at the bottom of the tank body 1, a water outlet pipe 6 is arranged on the side wall of the tank body 1, an aeration disc 21 is arranged at the position, close to the bottom, of an inner cavity of the tank body 1, a circular hole is arranged in the middle of the aeration disc 21, so that fluid can enter the bottom of the tank body 1 through the circular hole, a stirring mechanism is arranged in the inner cavity of the tank body 1, a driving mechanism for driving the stirring mechanism to rotate is arranged on the tank cover 2, the stirring mechanism comprises an inner shaft 8 and an outer shaft 9 sleeved outside the inner shaft 8 and rotationally connected with the inner shaft 8, the top ends of the inner shaft 8 and the outer shaft 9 extend to the upper part of the tank cover 2, the length of the inner shaft 8 is longer than that of the outer shaft 9, the upper and lower ends of the inner shaft 8 are extended to the outer sides of the upper and lower ends of the outer shaft 9, the outer shaft 9 is rotationally connected with the kettle cover 2 through a bearing, the inner shaft 8 and the outer shaft 9 rotate without interference, the inner shaft 9 rotates anticlockwise under the action of a driving mechanism, the outer shaft 9 rotates clockwise, the bottom of the inner shaft 8 is provided with two stirring blades 18 which are distributed up and down, the stirring blades 18 are formed by three blades 22 which are distributed in a circumferential array, the blades 22 on the upper and lower stirring blades 18 are distributed in a staggered way, when the inner shaft 8 drives the upper and lower stirring blades 18 to rotate, when the fluid in the stirring kettle body 1 is in an aperiodic motion state, the integral chaotic flow of the system can be formed, the dislocated six bending blades 22 form an asymmetric flow field structure in an axial space, the aperiodic motion state is increased in the kettle body 1, thereby destroying a chaotic isolation area in the kettle body 1, the inner chaotic mixing is accelerated, in fact, the dislocation and even distribution is just that the axial flow force is increased on the flow field structure generated by the radial flow stirrer, inclined vortex is formed on the space, thus the mixing effect is enhanced, four scrapers 19 which are contacted with the inner wall of the kettle body 1 and rotate reversely with the stirring blades 18 are arranged on the inner wall of the kettle body, the four scrapers 19 are fixedly connected with the side wall of the outer shaft 9 through two elastic telescopic rods 20, the inclined angle is formed between the upper section and the lower section of the scrapers 19, the upper half of the scrapers 19 are inclined at the middle height of the scrapers 19, the aim is that when the scrapers 19 rotate clockwise along the outer shaft 9, the stirring blades 18 rotate anticlockwise along the inner shaft 8, so that the upper circulation area between the scrapers 19 and the stirring blades 18 is guided to generate a large vortex which is inclined on the space, the asymmetric flow factors are added in space, so that chaotic mixing is promoted, compared with the situation that a vertical scraping plate has larger influence on the flow of a flow field, the flow field can induce secondary circulation of fluid near an inclined position, the flow line in the kettle body 1 under the scraping plate 19 has more movement in an inclined direction, the flow line moves in an axial direction under the vertical scraping plate, the movement of the flow line in the kettle body 1 containing the inclined scraping plate is more spread over the whole fluid field, the better mixing effect is also predicted, and under the elastic action of the elastic telescopic rod 20, the scraping plate 19 is in close contact with the inner wall of the kettle body 1, so that the phenomenon that materials are adhered on the inner wall of the kettle body 1 can be effectively prevented, and the mixing effect is further improved;
the driving mechanism comprises a motor 12, a second belt pulley 13 and a large gear 14 are sleeved on the shaft part of the motor 12 respectively, a first belt pulley 10 is sleeved on the top end of the inner shaft 8, a small gear 11 is sleeved on the top end of the outer shaft 9, the first belt pulley 10 is connected with the second belt pulley 13 through a belt, the large gear 14 is rotationally connected with the small gear 11, the small gear 11 is meshed with the large gear 14 mutually, a U-shaped support 7 is arranged on the kettle cover 2, the motor 12 is fixedly connected with the side wall of the support 7, the inner shaft 8 is enabled to rotate anticlockwise under the action of the second belt pulley 13, the first belt pulley 10 and the belt through the starting motor 12, so that the stirring blade 18 rotates anticlockwise along with the inner shaft 8, meanwhile, the large gear 14 on the motor 12 drives the small gear 11 to rotate clockwise, so that the outer shaft 9 rotates clockwise along with the small gear 11, the scraping plate 19 rotates clockwise along with the outer shaft 9, the scraping plate 19 is opposite to the rotation direction of the stirring blade 18, the top end of the inner shaft 8 and the outer shaft 9 extends to the upper side of the support 7, the outer shaft 9 is rotationally connected with the support 7 through a bearing, the top end of the outer shaft 9 is rotationally, the stirring blade 8 is enabled to rotate along with the L-shaped support 7, and the L-shaped support 15 is fixedly connected with the outer shaft 8 through the L-shaped support 15, and the L-shaped support 15 is fixedly arranged on the bottom of the support 7.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a lime neutralization method reaction tank, includes the cauldron body (1) and sets up in cauldron lid (2) on cauldron body (1) top, be provided with feed inlet (3) and inlet tube (5) on cauldron lid (2) respectively, the bottom of cauldron body (1) is provided with discharge gate (4), the lateral wall of cauldron body (1) is provided with outlet pipe (6), its characterized in that, the inner chamber of cauldron body (1) is close to bottom department and is provided with aeration dish (21), just the inner chamber of cauldron body (1) is provided with rabbling mechanism, be provided with the actuating mechanism who is used for driving rabbling mechanism rotation on cauldron lid (2); wherein,,
the stirring mechanism comprises an inner shaft (8) and an outer shaft (9) which is sleeved outside the inner shaft (8) and is rotationally connected with the inner shaft (8), the top ends of the inner shaft (8) and the outer shaft (9) are all extended to the upper side of the kettle cover (2), two stirring blades (18) which are distributed up and down are arranged at the bottom of the inner shaft (8), four scraping plates (19) which are in contact with the inner shaft and rotate reversely with the stirring blades (18) are arranged on the inner wall of the kettle body (1), and the four scraping plates (19) are fixedly connected with the side wall of the outer shaft (9) through two elastic telescopic rods (20).
2. A lime neutralization reaction tank as claimed in claim 1, characterized in that the length of the inner shaft (8) is longer than that of the outer shaft (9), both the upper and lower ends of the inner shaft (8) extend to the outside of both the upper and lower ends of the outer shaft (9), and the outer shaft (9) is rotatably connected with the tank cover (2) through bearings.
3. A lime neutralization reaction tank as claimed in claim 1, characterized in that the aeration disc (21) is provided with a circular hole in its middle.
4. A lime neutralization reaction tank as claimed in claim 1, characterized in that the stirring blades (18) are formed by three blades (22) distributed in a circumferential array, and the blades (22) on the upper and lower stirring blades (18) are staggered.
5. A lime neutralization reaction tank as claimed in claim 1, characterized in that an inclination angle is formed between the upper and lower sections of the scraper (19).
6. The lime neutralization reaction tank according to claim 1, wherein the driving mechanism comprises a motor (12), a second belt pulley (13) and a large gear (14) are sleeved on the shaft portion of the motor (12) respectively, a first belt pulley (10) is sleeved on the top end of the inner shaft (8), a small gear (11) is sleeved on the top end of the outer shaft (9), the first belt pulley (10) is connected with the second belt pulley (13) through a belt, the large gear (14) is rotationally connected with the small gear (11), the small gear (11) is meshed with the large gear (14) mutually, a U-shaped bracket (7) is arranged on the kettle cover (2), and the motor (12) is fixedly connected with the side wall of the bracket (7).
7. The lime neutralization reaction tank according to claim 6, wherein the top ends of the inner shaft (8) and the outer shaft (9) extend to the upper side of the support (7), the outer shaft (9) is rotationally connected with the support (7) through a bearing, the top end of the inner shaft (8) is rotationally connected with an L-shaped frame (15) through a bearing, and the bottom of the vertical section of the L-shaped frame (15) is fixedly connected with the upper surface of the support (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223277707.6U CN218901860U (en) | 2022-12-07 | 2022-12-07 | Lime neutralization reaction tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223277707.6U CN218901860U (en) | 2022-12-07 | 2022-12-07 | Lime neutralization reaction tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218901860U true CN218901860U (en) | 2023-04-25 |
Family
ID=86012565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223277707.6U Active CN218901860U (en) | 2022-12-07 | 2022-12-07 | Lime neutralization reaction tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218901860U (en) |
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2022
- 2022-12-07 CN CN202223277707.6U patent/CN218901860U/en active Active
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