CN220610328U - Heating reaction kettle for preparing zinc oxide from zinc calcine - Google Patents

Abstract

The utility model discloses a heating reaction kettle for preparing zinc oxide from zinc calcine, which comprises a reaction kettle body and a stirring device, wherein a reaction cavity is arranged in the reaction kettle body, a heating cavity is arranged at the periphery of the reaction cavity, a feed inlet is arranged above the reaction cavity, the stirring device is used for stirring the reaction cavity, a plurality of filters which are vertically arranged are arranged in the reaction cavity, each filter is provided with a filter screen, the aperture of the upper filter screen is larger than that of the lower filter screen, and the peripheral wall of each filter is propped against the inner peripheral wall of the reaction cavity. By adopting the scheme, the heating reaction kettle for preparing zinc oxide from the zinc calcine, which can gradually fall along with the gradual reaction of the zinc calcine so as to lead the zinc calcine to be more comprehensively acidolyzed, is provided.

Description

Heating reaction kettle for preparing zinc oxide from zinc calcine

Technical Field

The utility model belongs to the field of production equipment for preparing zinc oxide from zinc calcine, and particularly relates to a heating reaction kettle for preparing zinc oxide from zinc calcine.

Background

The zinc calcine is one of important raw materials for preparing zinc oxide, corresponding ZnO, fe and other components are reacted under the condition of water bath heating in an acidolysis mode to prepare a solution, impurities which cannot be reacted are filtered and separated, and then the prepared solution can be subjected to processes of deironing, removing other heavy metal ions, washing, drying and the like to obtain pure ZnO.

Wherein acidolysis can be carried out in heating reation kettle, namely put into reation kettle with sulphuric acid to adopt the mode of circumference water bath heating to make the temperature in the reation kettle keep 80 ℃ in order to stabilize acidolysis reaction, still can pass through the rotation of stirring rake in order to improve reaction efficiency.

However, the existing zinc calcine is directly poured into the reaction kettle, and is deposited at the bottom of the reaction kettle under the action of gravity, so that the contact area of the zinc calcine and sulfuric acid is small, and the reaction rate is slow.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a heating reaction kettle for preparing zinc oxide from zinc calcine, which can gradually fall along with the gradual reaction of the zinc calcine so as to lead the zinc calcine to be more comprehensively acidolyzed.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including reation kettle body and agitating unit, this internal reaction chamber that is provided with of reation kettle, be located the reaction chamber periphery and be provided with the heating chamber, be located the reaction chamber top and be provided with the pan feeding mouth, agitating unit is used for stirring the reaction intracavity, be provided with a plurality of filters along vertical range in the reaction chamber, each be provided with the filter screen on the filter, and the aperture of top filter screen is greater than the aperture of below filter screen, each the periphery wall of filter offsets with the inner peripheral wall of reaction chamber.

The utility model is further provided with: the reaction kettle body comprises a barrel body and an upper cover which can be separated from each other, a plurality of installation clamping strips extending along the vertical direction are arranged on the inner peripheral wall in the reaction cavity along the circumferential direction, the installation clamping strips downwards sequentially comprise a first section body, a second section body and a third section body, the lengths of the inner peripheral wall far away from the reaction cavity, of the first section body, the second section body and the third section body are sequentially increased, the filter comprises an upper filter and a lower filter, the upper filter is respectively provided with a first channel matched with the corresponding first section body corresponding to each installation clamping strip, so that the first channel and the first section body are matched for circumferential positioning, the upper filter is matched with the second section body for vertical positioning, the lower filter is respectively provided with a second channel matched with the corresponding second section body corresponding to enable the second channel and the second section body to be matched for circumferential positioning, and the lower filter is matched with the third section body for vertical positioning.

The utility model is further provided with: each first channel is in interference fit with the corresponding first section body, and each second channel is in interference fit with the corresponding second section body.

The utility model is further provided with: the upper filter is located at the lower side of each first channel and is respectively provided with a third channel matched with the corresponding second section body, the third channel is in interference fit with the corresponding second section body, the lower filter is located at the lower side of each second channel and is respectively provided with a fourth channel matched with the corresponding third section body, and the fourth channel is in interference fit with the corresponding third section body.

The utility model is further provided with: the stirring device comprises a driving device, a connecting rod, a stirring rod and a stirring blade, wherein the driving device is arranged above the upper cover, the connecting rod is arranged below the upper cover and is connected with an output rod of the driving device to be driven, the lower end of the stirring rod is arranged at the bottom of the reaction cavity, the stirring blade is fixedly arranged on the stirring rod and is positioned at the lower side of the lower filter, and a connecting lug and a connecting groove are arranged at the lower end of the connecting rod and the upper end of the stirring rod to be fixedly clamped.

The utility model is further provided with: the upper filter comprises a plurality of upper sub-discs which are circumferentially split, a first inner locating surface located at the periphery of the stirring rod is arranged on the upper sub-discs towards the side of the stirring rod, a first outer locating surface propped against the inner peripheral wall of the reaction cavity is arranged on the side of the inner peripheral wall of the reaction cavity, first circumferential locating surfaces propped against the adjacent upper sub-discs are arranged on two circumferential sides of the upper filter, the lower filter comprises a plurality of lower sub-discs which are circumferentially split, a second inner locating surface located at the periphery of the stirring rod is arranged on the side of the lower sub-discs towards the stirring rod, a second outer locating surface propped against the inner peripheral wall of the reaction cavity is arranged on the side of the inner peripheral wall of the reaction cavity, a second circumferential locating surface propped against the adjacent lower sub-discs is arranged on two circumferential sides of the lower sub-discs, and all the first inner locating surfaces, the first outer locating surfaces, the first circumferential locating surfaces, the second inner locating surfaces and the second circumferential locating surfaces are vertically arranged along the extending directions.

The utility model is further provided with: the filter screen includes the first filter screen of setting on each upper filter and sets up the second filter screen on each lower filter, each upper filter includes the upper plate, each run through on the upper plate and be provided with a plurality of first through-holes, each upper plate upside is provided with a plurality of first stands that extend along upward, each first stand is gone up and is provided with first reference column along extending, each first filter screen corresponds each first reference column and is provided with the first locating hole of cover locating the periphery of corresponding first reference column respectively, each first reference column is located the first filter screen upside that corresponds and is provided with first locking cap, each lower filter includes the lower plate, each run through on the lower plate and be provided with a plurality of second through-holes, each lower plate upside is provided with a plurality of second stands that extend along upward, each second stand is gone up along extending and is provided with the second reference column, each second filter screen corresponds each second reference column and is provided with the second locating hole of cover locating the periphery of corresponding second reference column respectively, each second reference column is located the second filter screen side that corresponds and is provided with the second locking cap.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of an embodiment of the present utility model;

FIG. 2 is an exploded view of an upper filter in an embodiment of the present utility model;

FIG. 3 is an exploded view of a 1-piece upper sub-tray in accordance with an embodiment of the present utility model;

FIG. 4 is an enlarged view of A in FIG. 1;

FIG. 5 is an enlarged view of B in FIG. 1;

fig. 6 is an enlarged view of C in fig. 1.

Reference numerals: 1. a reaction kettle body; 11. a reaction chamber; 12. a heating chamber; 13. a feed inlet; 14. a discharge port; 15. a hot water inlet; 16. a cold water outlet; 17. a cylinder; 18. an upper cover; 21. a driving device; 22. a connecting rod; 23. a stirring rod; 24. stirring pages; 25. a connection bump; 26. a connection groove; 3. installing a clamping strip; 31. a first segment; 32. a second segment; 33. a third segment; 4. a filter is arranged; 41. a first channel; 42. a third channel; 43. a top separating disc; 431. a first inner locating surface; 432. a first outer locating surface; 433. a first circumferential locating surface; 434. an upper base plate; 435. a first through hole; 436. a first upright; 437. a first positioning column; 5. a lower filter; 51. a second channel; 52. a fourth channel; 6. a first filter screen; 61. a first positioning hole; 7. a second filter screen; 8. a first locking cap; 9. a second locking cap.

Detailed Description

The utility model will be described in detail below with respect to certain specific embodiments thereof in order to better understand the utility model and thereby to more clearly define the scope of the utility model as claimed. It should be noted that the following description is only some embodiments of the inventive concept and is only a part of examples of the present utility model, wherein the specific direct description of the related structures is only for the convenience of understanding the present utility model, and the specific features do not naturally and directly limit the implementation scope of the present utility model. Conventional selections and substitutions made by those skilled in the art under the guidance of the inventive concept should be considered as being within the scope of the claimed utility model.

As shown in fig. 1-6, the utility model discloses a heating reaction kettle for preparing zinc oxide from zinc calcine, which comprises a cylindrical reaction kettle body 1 and a stirring device, wherein a reaction cavity 11 is arranged in the reaction kettle body 1, a heating cavity 12 is arranged at the periphery of the reaction cavity 11 in a partition mode, a feed inlet 13 is arranged above the reaction cavity 11, a discharge outlet 14 is arranged below the reaction cavity 11, in addition, a hot water inlet 15 is arranged at the lower end of the lower side of the reaction cavity 12 outside the reaction kettle body 1, a cold water outlet 16 is arranged at the periphery of the upper side of the reaction cavity 12, in addition, the stirring device is used for stirring the reaction cavity 11, so that zinc calcine and sulfuric acid are poured into the reaction cavity 11 through the feed inlet 13, the heating cavity 12 is filled with hot water through the hot water inlet 15, the reaction cavity 11 is heated, the heated hot water is cooled in a flowing mode, continuous and stable heating is ensured through the cold water outlet 16, in addition, zinc calcine is better acidolyzed under the stirring effect of the stirring device, and the solution is discharged through the lower end 14 after complete reaction.

In addition, in this embodiment, a plurality of filters are disposed in the reaction chamber 11 and arranged vertically, each filter is provided with a filter screen, the aperture of the upper filter screen is larger than that of the lower filter screen, and the outer peripheral wall of each filter abuts against the inner peripheral wall of the reaction chamber 11.

Therefore, the zinc calcine poured from the feed inlet 13 falls on the uppermost filter screen, and the zinc calcine with smaller particles passes through the filter screen and falls on the lower filter screen, so that the zinc calcine is separated in size to improve the contact area with the solution to improve the reaction rate, and the non-reactive impurities are filtered by the filter screens at all levels and cannot be discharged from the discharge outlet 14, so that the discharge outlet 14 is discharged in the form of the solution, and the subsequent process can be directly carried out without a filtering link.

Preferably, the reaction kettle body 1 in this embodiment includes a barrel 17 and an upper cover 18 that can be separated from each other, specifically, the barrel 17 and the upper cover 18 are covered up and down, and are locked up and down by using a plurality of sets of bolts and nuts in the circumferential direction to seal.

In addition, in this embodiment, the inner peripheral wall of the reaction chamber 11 is provided with a plurality of mounting clamping strips 3 extending along the vertical direction along the circumferential direction, the mounting clamping strips 3 sequentially include a first segment 31, a second segment 32 and a third segment 33 downward, and the lengths of the first segment 31, the second segment 32 and the third segment 33 along the radial direction of the cylinder 17 are sequentially increased, in addition, the filter includes an upper filter 4 and a lower filter 5, the upper filter 4 is respectively provided with a first channel 41 adapted to the corresponding first segment 31 corresponding to each mounting clamping strip 3, so that the first channel 41 and the first segment 31 are matched to perform circumferential positioning, the upper filter 4 is vertically positioned against the second segment 32, the lower filter 5 is respectively provided with a second channel 51 adapted to the corresponding second segment 32, so that the second channel 51 and the second segment 32 are matched to perform circumferential positioning, and the lower filter 5 is vertically positioned against the third segment 33.

Therefore, 1, the upper filter 4 and the lower filter 5 are adopted to perform double filtration, the upper filter 4 performs preliminary filtration, so that large-particle zinc calcine is acidolyzed in the upper filter 4, and then enters the lower filter 5 to perform further acidolysis after the acidolysis volume becomes smaller, the filter screen of the lower filter 5 mainly performs unreacted zinc calcine impurity filtration, 2, the upper filter 4 slides vertically, is limited by the first channel 41 and the first section 31 along the circumferential direction, is vertically positioned by being propped against the second section 32, and can be separated by the upper cover 18 and then upwards removed for impurity treatment, and similarly, the lower filter 5 slides vertically and is limited by the second channel 51 and the second section 32 along the circumferential direction, is vertically positioned by being propped against the third section 33, and can be separated by the upper cover 18 and then upwards removed for impurity treatment.

Preferably, each first channel 41 in this embodiment is in interference fit with the corresponding first segment 31, and each second channel 51 is in interference fit with the corresponding second segment 32, so as to make the installation of the upper filter 4 and the lower filter 5 more stable.

Preferably, in this embodiment, the upper filter 4 is disposed at the lower side of each first channel 41 and is respectively provided with a third channel 42 adapted to the corresponding second segment 32, the third channel 42 is in interference fit with the corresponding second segment 32, the lower filter 5 is disposed at the lower side of each second channel 51 and is respectively provided with a fourth channel 52 adapted to the corresponding third segment 33, and the fourth channel 52 is in interference fit with the corresponding third segment 33, so that the stability of the fastening is further improved to improve the stability of the installation through the interference fit of the third channel 42 and the corresponding second segment 32 and the interference fit of the fourth channel 52 and the corresponding third segment 33.

Preferably, the stirring device in this embodiment includes a driving device 21, a connecting rod 22, a stirring rod 23 and a stirring blade 24, where the driving device 21 is fixedly installed above the upper cover 18 and in a bolt manner, the connecting rod 22 is located below the upper cover 18 and is connected with an output rod of the driving device 21 by a coupling so as to be driven, the lower end of the stirring rod 23 is located at the bottom of the reaction chamber 11 and is rotatably installed at the cylinder 17 by a radial bearing and a thrust bearing, the stirring blade 24 is fixedly installed at the stirring rod 23 and is located at the lower side of the lower filter 5 by a bolt manner, in addition, the lower end of the connecting rod 22 is provided with a hexagonal prism connection lug 25, and the upper end of the stirring rod 23 is provided with a connection groove 26 in a shape-adapted manner, so that when the upper cover 18 is covered on the cylinder 17, the connection lug 25 is inserted into the connection groove 26 to be fixedly connected, and thus the driving device 21 works to synchronously drive the connecting rod 22, the stirring rod 23 and the stirring blade 24 to rotate so as to perform disturbance on the reaction chamber 11 to increase the reaction rate, and the stirring blade 24 is located at the lower side of the lower filter 5 so that the upper side and the lower filter 4 is not affected by the upper filter 5.

Furthermore, the upper filter 4 in this embodiment includes a plurality of upper sub-plates 43 split in the circumferential direction, the upper sub-plates 43 are provided with a first inner positioning surface 431 (arc shape) located at the outer periphery of the stirring rod 23 toward the stirring rod 23 side, a first outer positioning surface 432 located against the inner peripheral wall of the reaction chamber 11 toward the inner peripheral wall of the reaction chamber 11 side, first circumferential positioning surfaces 433 located against the adjacent upper sub-plates 43 are provided on both circumferential sides, the lower filter 5 includes a plurality of lower sub-plates split in the circumferential direction, the lower sub-plates are provided with a second inner positioning surface (arc shape) located at the outer periphery of the stirring rod 23 toward the stirring rod 23 side, a second outer positioning surface located against the inner peripheral wall of the reaction chamber 11 is provided toward the inner peripheral wall of the reaction chamber 11 side, a second circumferential positioning surface located against the adjacent lower sub-plates is provided on both circumferential sides, each first inner locating surface 431, each first outer locating surface 432, each first circumferential locating surface 433, each second inner locating surface, each second outer locating surface and each second circumferential locating surface are all arranged along the vertical extension direction, so that the upper filter 4 is arranged in a plurality of upper separating discs 43, the lower filter 5 is arranged in a plurality of lower separating discs and surrounds the periphery of the stirring rod 23, the stirring rod 23 does not need to be pulled out upwards, the upper filter 4 and the lower filter 5 can be pulled out of the cylinder 17 upwards only, the separation can be carried out along the radial direction, and the first inner locating surfaces 431, the first outer locating surfaces 432, the first circumferential locating surfaces 433, the second inner locating surfaces, the second outer locating surfaces and the second circumferential locating surfaces are all arranged along the vertical extension direction, so that the upper separating discs 43 and the lower separating discs are more stably located through the cooperation of each locating surfaces, and the unstable stress and the falling and scattering are prevented.

Preferably, in this embodiment, the filter screen includes first filter screen 6 disposed on each upper filter 4 and second filter screen 7 disposed on each lower filter 5, each upper filter 4 includes an upper bottom plate 434, each upper bottom plate 434 is provided with a plurality of first through holes 435 in a penetrating manner, each upper bottom plate 434 is provided with a plurality of first upright posts 436 extending upwards, each first upright post 436 is provided with a first positioning post 437 extending upwards, each first filter screen 6 is provided with a first positioning hole 61 sleeved on the periphery of the corresponding first positioning post 437, each first positioning post 437 is disposed on the upper side of the corresponding first filter screen 6, each lower filter 5 includes a lower bottom plate, each lower bottom plate is provided with a plurality of second through holes in a penetrating manner, each second upright post is provided with a second positioning post extending upwards, each second positioning post 7 is provided with a first positioning hole 437 extending upwards, each second positioning post 7 is provided with a second positioning hole 61 sleeved on the periphery of the corresponding first positioning post 437, each first positioning post 437 is disposed on the upper side of the corresponding first filter screen 6, each lower filter 5 includes a lower bottom plate, each lower bottom plate 5 includes a plurality of second through holes 435, each second through hole is disposed on the upper bottom plate, each second positioning post is provided with a second positioning cap 7, and the second positioning cap is disposed on the second positioning cap is not in a second through hole, and is disposed on the second positioning cap is in a second positioning cap 7, and is disposed on the second filter cap is in a second through the second positioning cap, and is not matched with the second positioning cap.

Specifically, the first positioning post 437 is threaded with the first locking cap 8, and the second positioning post is threaded with the second locking cap 9.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a heating reation kettle of zinc oxide is prepared to zinc calcine, includes reation kettle body (1) and agitating unit, be provided with reaction chamber (11) in reation kettle body (1), be located reaction chamber (11) periphery and be provided with heating chamber (12), be located reaction chamber (11) top and be provided with pan feeding mouth (13), agitating unit is used for stirring in to reaction chamber (11), its characterized in that: a plurality of filters which are arranged vertically are arranged in the reaction cavity (11), a filter screen is arranged on each filter, the aperture of the filter screen above is larger than that of the filter screen below, and the outer peripheral wall of each filter is propped against the inner peripheral wall of the reaction cavity (11).

2. The heating reaction kettle for preparing zinc oxide from zinc calcine according to claim 1, which is characterized in that: the reaction kettle body (1) comprises a barrel (17) and an upper cover (18) which can be separated from each other, a plurality of installation clamping strips (3) which extend along the vertical direction are arranged on the inner peripheral wall in the reaction cavity (11) along the circumferential direction, the installation clamping strips (3) sequentially comprise a first section body (31), a second section body (32) and a third section body (33), the length of the inner peripheral wall far away from the reaction cavity (11) is sequentially increased along the first section body (31), the second section body (32) and the third section body (33), the filter comprises an upper filter (4) and a lower filter (5), the first channels (41) which are matched with the corresponding first section bodies (31) are respectively arranged on the upper filter (4) correspondingly, so that the first channels (41) and the first section bodies (31) are matched for circumferential positioning, the upper filter (4) and the second section bodies (32) are vertically positioned against each other, and the lower filter (5) correspondingly correspond to the second section bodies (3) and the second section bodies (33) for circumferential positioning, and the second section bodies (51) are matched with each other.

3. The heating reaction kettle for preparing zinc oxide from zinc calcine according to claim 2, which is characterized in that: each first channel (41) is in interference fit with a corresponding first section (31), and each second channel (51) is in interference fit with a corresponding second section (32).

4. A heating reaction kettle for preparing zinc oxide from zinc calcine according to claim 3, characterized in that: the upper filter (4) is located at the lower side of each first channel (41) and is respectively provided with a third channel (42) matched with a corresponding second section body (32), the third channel (42) is in interference fit with the corresponding second section body (32), the lower filter (5) is located at the lower side of each second channel (51) and is respectively provided with a fourth channel (52) matched with a corresponding third section body (33), and the fourth channel (52) is in interference fit with the corresponding third section body (33).

5. The heating reaction kettle for preparing zinc oxide from zinc calcine according to claim 2, which is characterized in that: the stirring device comprises a driving device (21), a connecting rod (22), a stirring rod (23) and a stirring blade (24), wherein the driving device (21) is arranged above the upper cover (18), the connecting rod (22) is positioned below the upper cover (18) and is connected with an output rod of the driving device (21) to be driven, the lower end of the stirring rod (23) is positioned at the bottom of the reaction cavity (11) and is rotatably arranged on the cylinder body (17), the stirring blade (24) is fixedly arranged on the stirring rod (23) and is positioned at the lower side of the lower filter (5), and a connecting convex block (25) and a connecting groove (26) are arranged at the lower end of the connecting rod (22) and the upper end of the stirring rod (23) to be fixedly clamped.

6. The heating reaction kettle for preparing zinc oxide from zinc calcine according to claim 5, which is characterized in that: the upper filter (4) comprises a plurality of upper sub-discs (43) which are separated along the circumferential direction, the upper sub-discs (43) are provided with first inner locating surfaces (431) which are located on the outer periphery of the stirring rod (23) towards the side of the stirring rod (23), first outer locating surfaces (432) which are propped against the inner peripheral wall of the reaction cavity (11) are arranged on the inner peripheral wall side of the reaction cavity (11), first circumferential locating surfaces (433) which are propped against the adjacent upper sub-discs (43) are arranged on the circumferential two sides, the lower filter (5) comprises a plurality of lower sub-discs which are separated along the circumferential direction, the lower sub-discs are provided with second inner locating surfaces which are located on the outer periphery of the stirring rod (23) towards the side of the stirring rod (23), second outer locating surfaces which are propped against the inner peripheral wall of the reaction cavity (11) are arranged on the inner peripheral wall side of the reaction cavity (11), and second circumferential locating surfaces which are propped against the adjacent lower sub-discs are arranged on the circumferential two sides, and the first inner locating surfaces (431), the first outer locating surfaces (432), the first circumferential locating surfaces (433) and the second outer locating surfaces (433) are arranged on the second outer locating surfaces, and the second circumferential locating surfaces are all arranged along the vertical direction.

7. The heating reaction kettle for preparing zinc oxide from zinc calcine according to claim 6, which is characterized in that: the filter screen is including setting up first filter screen (6) on each upper filter (4) and setting up second filter screen (7) on each lower filter (5), each upper filter (4) including upper plate (434), each run through on upper plate (434) and be provided with a plurality of first through-holes (435), each upper plate (434) upside is provided with a plurality of first stand (436) that extend along upwards, each first stand (436) is gone up and is provided with first reference column (437) along extending upwards, each first filter screen (6) corresponds each first reference column (437) and is provided with first locating hole (61) of cover locating in the periphery of corresponding first reference column (437) respectively, each first reference column (437) are located the first filter screen (6) upside that corresponds and are provided with first locking cap (8), each lower filter (5) are including the lower plate, each run through on the lower plate is provided with a plurality of second through-holes, each lower plate upside is provided with a plurality of second stand that extend along upwards, each second stand is provided with second reference column (437) along extending upwards, each second stand corresponds second reference column (7) and is provided with second locating hole (7) that corresponds to locate on the second reference column periphery of locating column respectively.