Solid-liquid phase reactor for preparing powder product

Abstract

The present disclosure relates to the field of reactor technologies and in particular to a solid-liquid phase reactor for preparing a powder product, which includes a vessel shell, a material-restricting partition net, a solid reactant charge opening, and a reaction solution make-up opening. The material-restricting partition net is disposed in a cavity of the vessel shell and connected to the vessel shell. The material-restricting partition net is enclosed to form a semi-closed material-restricting zone with an upward-facing opening itself or together with an inner wall of a vessel. A frame of the semi-closed material-restricting zone is rigid. The solid reactant charge opening is in communication with the facing-up opening of the semi-closed material-restricting zone, and the reaction solution make-up opening is in communication with an internal space of the semi-closed material-restricting zone.

Claims

1. A solid-liquid phase reactor for preparing a powder product, comprising a vessel shell, a material-restricting partition net, a solid reactant charge opening, and a reaction solution make-up opening, wherein the material-restricting partition net is disposed in a cavity of the vessel shell and is connected to a vessel body of the vessel shell; the material-restricting partition net is enclosed to form a semi-closed material-restricting zone with an upward-facing opening itself or together with an inner wall of the vessel body; a frame of the semi-closed material-restricting zone is rigid; the solid reactant charge opening is in communication with the upward facing opening of the semi-closed material-restricting zone, and the reaction solution make-up opening is in communication with an internal space of the semi-closed material-restricting zone; further comprising an acid-alkali concentration detection apparatus which is fixed on the inner wall of the vessel body and runs into the cavity of the vessel shell to be in contact with the reaction solution or unfixedly floats on a liquid surface of the reaction solution or suspends in the reaction solution; and further comprising an intelligent control system, which is in electrical connection with the acid-alkali concentration detection apparatus, a solid reactant charge opening switch and a reaction solution make-up opening switch.

2. The solid-liquid phase reactor of claim 1, wherein the material-restricting partition net is in the form of multiple layers, and enclosed to form a multi-level material-restricting zone itself or together with the inner wall of the vessel body.

3. The solid-liquid phase reactor of claim 1, wherein the vessel shell comprises a sealing vessel lid, and a reaction gas by-product collection channel penetrating through the vessel shell is disposed above a highest liquid level of the vessel shell.

4. The solid-liquid phase reactor of claim 1, wherein a ratio of a capacity of the semi-closed material-restricting zone to a capacity of an internal space of the cavity of the vessel shell is 0.2% to 25%, and the capacity of the semi-closed material-restricting zone is greater than 2 L.

5. The solid-liquid phase reactor of claim 1, wherein the semi-closed material-restricting zone is formed by connecting the material-restricting partition net to the inner wall of the vessel body.

6. The solid-liquid phase reactor of claim 1, wherein a space is present between the semi-closed material-restricting zone and a bottom of the vessel body.

7. The solid-liquid phase reactor of claim 1, wherein the material-restricting partition net comprises holes, and wherein the hole diameter of the holes of the material-restricting partition net satisfies: 250 mthe hole diameter of the holes of the material-restricting partition net2 m.

8. The solid-liquid phase reactor of claim 1, wherein the material-restricting partition net comprises holes, and wherein a hole diameter of the holes of the material-restricting partition net satisfies: 30 mthe hole diameter of the holes of the material-restricting partition net2 m.

9. The solid-liquid phase reactor of claim 1, wherein the reaction solution make-up opening has a plurality of inlets which are uniformly distributed in the internal space of the semi-closed material-restricting zone.

10. The solid-liquid phase reactor of claim 1, further comprising an ultrasonic generation apparatus that is a water bath ultrasonic apparatus or is a probe ultrasonic apparatus, wherein, when the ultrasonic generation apparatus is the water bath ultrasonic apparatus, the ultrasonic generation apparatus is disposed below the inner wall of the vessel body, and when the ultrasonic generation apparatus is the probe ultrasonic apparatus, the ultrasonic generation apparatus is disposed on the inner wall of the vessel body and below a liquid level in the cavity of the vessel shell.

11. The solid-liquid phase reactor of claim 1, further comprising a heating apparatus, wherein the heating apparatus is in connection with the vessel body.

12. The solid-liquid phase reactor of claim 1, further comprising a stirring apparatus, wherein the stirring apparatus comprises a mechanical stirring apparatus or an electromagnetic stirring apparatus; the mechanical stirring apparatus is fixed on the inner wall of the vessel body and runs into the cavity of the vessel shell to be in contact with the reaction solution; the electromagnetic stirring apparatus is located at the bottom of the vessel body.

13. The solid-liquid phase reactor of claim 1, further comprising a magnetic powder collection apparatus which is unfixedly disposed inside the vessel shell.

14. The solid-liquid phase reactor of claim 1, wherein the material-restricting partition net is provided with a hole unclogging apparatus.

15. The solid-liquid phase reactor of claim 14, wherein the hole unclogging apparatus comprises a brush movable on the material-restricting partition net.

Description

BRIEF DESCRIPTIONS OF THE DRAWINGS

(1) FIG. 1 is a structural schematic diagram illustrating a solid-liquid phase reactor for preparing a powder product according to a first embodiment.

(2) FIG. 2 is a top view of a structure of a positional relationship of a material-restricting partition net and a vessel body in a solid-liquid phase reactor for preparing a powder product according to a first embodiment (only showing a top view positional relationship of a material-restricting partition net, a solid reactant charge opening, a reaction solution make-up opening and a vessel body).

(3) FIG. 3 is a structural schematic diagram illustrating a solid-liquid phase reactor for preparing a powder product according to a second embodiment.

(4) FIG. 4 is a structural schematic diagram illustrating a solid-liquid phase reactor for preparing a powder product according to a third embodiment.

DETAILED DESCRIPTIONS OF EMBODIMENTS

(5) The solid-liquid phase reactor for preparing a powder product will be further elaborated in combination with the following specific embodiments.

First Embodiment

(6) This embodiment provides a solid-liquid phase reactor for preparing a powder product. As shown in FIG. 1, the solid-liquid phase reactor includes a square cabinet-shaped vessel shell (consisting of a vessel body 1 and a vessel lid 11), a material-restricting partition net 5, a solid reactant charge opening 2, a reaction solution make-up opening 3 and an outlet 4. The material-restricting partition net 5 is fixed on an inner wall of the vessel body 1, and the material-restricting partition net 5 and one planar inner wall of the vessel body 1 are enclosed to form a semi-closed material-restricting zone A with an upwards-facing opening. The manner in which the material-restricting partition net 5 and the vessel body 1 are enclosed to form the semi-closed material-restricting zone A is shown in the top view shown in FIG. 2. A frame of the material-restricting partition net is a rigid structure to maintain a shape of the semi-closed material-restricting zone A. A capacity of the semi-closed material-restricting zone A is greater than 2 L and less than 10% of a total capacity of an internal space of a cavity of the vessel shell. A liquid level position is higher than a bottom position of the semi-closed material-restricting zone A, and a space c full of liquid is present under the semi-closed material-restricting zone A. The vessel lid 11 is provided with a reaction gas by-product collection channel 12 penetrating through the vessel lid. The solid reactant charge opening 2 and the reaction solution make-up opening 3 are in communication with a space of a zone A of the semi-closed material-restricting zone (as shown in FIG. 2). The outlet 4 is in communication with a space of a zone B outside the semi-closed material-restricting zone. An average particle size of a solid reactant>a hole size of holes of the material-restricting partition net>a particle size of a reaction powder product and at the same time, 250 mthe hole size of holes of the material-restricting partition net2 m. A movable brush 9 is disposed on the material-restricting partition net 5 and the brush 9 may remove, by movement, the clogging by solid granules on the holes of the material-restricting partition net 5.

(7) In this embodiment, the solid-liquid phase reactor further includes a water bath ultrasonic generation apparatus 6 disposed below an inner wall of the vessel body 1. A plurality of water bath ultrasonic generation apparatuses 6 are disposed in the inner wall of the reaction vessel body 1, for example, in a side wall and a bottom wall and the like of the vessel body 1. A water bath ultrasonic generation apparatus 6 is further disposed below the vessel inner wall at a position where the material-restricting partition net 5 is fixed.

(8) In this embodiment, the solid-liquid phase reactor further includes a heating apparatus 7, where the heating apparatus 7 is in connection with the inner wall of the reaction vessel body 1.

(9) In this embodiment, the solid-liquid phase reactor further includes a stirring apparatus 8. The stirring apparatus 8 is a mechanical stirring apparatus 8 which is fixed to the vessel lid 11 with its stirring part below the liquid level.

(10) In this embodiment, the solid-liquid phase reactor further includes an acid-alkali concentration detection apparatus 10 which is fixed on the inner wall of the vessel body 1 and runs deep into the cavity of the vessel shell. The positions of the acid-alkali concentration detection apparatuses 10 may be in the zone A of the semi-closed material-restricting zone and the zone B outside the semi-closed material-restricting zone. A plurality of acid-alkali concentration detection apparatuses 10 are disposed on the inner wall of the reaction vessel body 1, for example, on the side wall and the bottom wall and the like, so as to monitor concentrations of a reaction solution at different positions, as shown in FIG. 1.

(11) In this embodiment, the solid-liquid phase reactor further includes an intelligent control system, which is in electrical connection with the acid-alkali concentration detection apparatus 10, a solid reactant charge opening switch 2 and a reaction solution make-up opening switch 3. Based on a distribution feature of the concentration of the reaction solution in the vessel obtained by the acid-alkali concentration detection apparatus 10, a charge amount and an injection amount of the solid reactant and the reaction solution and their charge and injection times can be controlled.

Second Embodiment

(12) This embodiment provides a solid-liquid phase reactor for preparing a powder product which is an improved solid-liquid phase reactor of the embodiment 1. As shown in FIG. 3, the solid-liquid phase reactor includes a square cabinet-shaped vessel shell (consisting of a vessel body 1 and a vessel lid 11), three layers of material-restricting partition nets (5a, 5b and 5c), a solid reactant charge opening 2, a reaction solution make-up opening 3, and an outlet 4. The three layers of material-restricting partition nets (5a, 5b and 5c) are fixed, as a canning structure, to one inner wall of the vessel body 1 in a manner similar to the embodiment 1 and enclosed to form semi-closed material-restricting zone A.sub.1, zone A.sub.2, and zone A.sub.3 with an upwards-facing opening, together with one planar inner wall of the vessel body 1 respectively. Frames of the material-restricting partition nets are rigid structures to maintain the shapes of the semi-closed material-restricting zone A.sub.1, zone A.sub.2, and zone A.sub.3. The semi-closed material-restricting zone A.sub.1 has a capacity greater than 2 L and less than 10% of a total capacity of an internal space of a cavity of the vessel shell. An inter-net average distance of different layers of material-restricting partition nets exceeds 100 mm, and the position of the liquid level is higher than bottom positions of the semi-closed material-restricting zone A.sub.1, zone A.sub.2, and zone A.sub.3, and a space c full of liquid is present under the bottoms of the semi-closed material-restricting zone A.sub.1, zone A.sub.2, and zone A.sub.3.

(13) The vessel lid 11 is provided with a reaction gas by-product collection channel 12 penetrating through the vessel lid. The solid reactant charge opening 2 and the reaction solution make-up opening 3 are in communication with a space of the semi-closed material-restricting zone A.sub.1. The outlet 4 is in communication with a space of a zone B outside the semi-closed material-restricting zone A.sub.1 and zone A.sub.2, and zone A.sub.3. The relationship of the holes sizes of the holes of the material-restricting partition nets is as follows: the average particle size of the solid reactant>the hole size of the holes of the material-restricting partition net 5a>the hole size of the holes of the material-restricting partition net 5b>the hole size of the holes of the material-restricting partition net 5c>the particle size of the reaction product powder; the three layers of material-restricting partition nets all satisfy: 250 mthe hole size of the holes of the material-restricting partition net2 m.

(14) Movable brushes (9a, 9b, and 9c) are respectively disposed on the three layers of material-restricting partition nets (5a, 5b and 5c), and the brushes (9a, 9b, and 9c) may remove, by movement, the clogging by solid granules on the holes of the material-restricting partition nets (5a, 5b and 5c) respectively.

(15) In this embodiment, the solid-liquid phase reactor further includes a water bath ultrasonic generation apparatus 6 which is disposed below the inner wall of the vessel body 1. A plurality of water bath ultrasonic generation apparatuses 6 are disposed in the inner wall of the reaction vessel body 1, for example, in a side wall and a bottom wall and the like of the vessel body 1. Water bath ultrasonic generation apparatuses 6 are further disposed respectively below the vessel inner wall at positions where the material-restricting partition nets (5a, 5b and 5c) are fixed.

(16) In this embodiment, the solid-liquid phase reactor further includes a heating apparatus 7, where the heating apparatus 7 is in connection with the inner wall of the reaction vessel body 1.

(17) In this embodiment, the solid-liquid phase reactor further includes a stirring apparatus 8. The stirring apparatus 8 is an electromagnetic stirring apparatus 8a which is located at but not fixed to the bottom of the vessel.

(18) In this embodiment, the solid-liquid phase reactor further includes an acid-alkali concentration detection apparatus 10 which is fixed on the inner wall of the vessel body 1 and runs deep into the cavity of the vessel shell. The positions of the acid-alkali concentration detection apparatuses 10 may be in the semi-closed material-restricting zone A.sub.1 and zone A.sub.2, zone A.sub.3 and the zone B outside the semi-closed material-restricting zones. A plurality of acid-alkali concentration detection apparatuses 10 are disposed on the inner wall of the reaction vessel body 1, for example, on the side wall and the bottom wall and the like, so as to monitor concentrations of a reaction solution at different positions, as shown in FIG. 3.

(19) In this embodiment, the solid-liquid phase reactor further includes a magnetic powder collection apparatus 13 which is disposed at but not fixed to the bottom of the vessel body 1. The magnetism of the magnetic powder collection apparatus 13 is electrically controlled. When the reaction product contains a magnetic powder, the magnetic powder collection apparatus 13 may be electrically controlled to be magnetized and collect the magnetic powder. When the magnetic powder is to be put down, the magnetic powder collection apparatus 13 may be powered off to be demagnetized.

Third Embodiment

(20) This embodiment provides a solid-liquid phase reactor for preparing a powder product which is an improved solid-liquid phase reactor of the embodiment 2. As shown in FIG. 4, the sole difference of the embodiment 3 from the embodiment 2 is that except that the innermost layer of material-restricting zone A.sub.1 is the semi-closed material-restricting zone A.sub.1 with an upward-facing opening, other layers of material-restricting zones A.sub.4 and A.sub.5 are closed material-restricting zones without an opening.

(21) The above descriptions are only made to the preferred embodiments of the present disclosure and the scope of protection of the present disclosure is not limited to these embodiments. Any technical solutions belonging to the idea of the present disclosure shall fall in the scope of protection of the present disclosure.