CN-224207404-U - Evaporation device for concentration of lithium carbonate solution

CN224207404UCN 224207404 UCN224207404 UCN 224207404UCN-224207404-U

Abstract

The utility model discloses an evaporation device for concentrating lithium carbonate solution, which comprises an evaporation tank and a positioning bracket for positioning the evaporation tank, wherein the lower side of the evaporation tank is provided with a concentration tank communicated with an inner cavity of the evaporation tank, the top of the evaporation tank is provided with a feeding pipe communicated with the inner cavity of the evaporation tank, the middle part of the bottom side of the concentration tank is provided with a driving assembly, a driving shaft of the driving assembly is provided with a stirring assembly, and the stirring assembly is positioned in the evaporation tank and the concentration tank. This evaporation plant is used in lithium carbonate solution concentration adopts high temperature steam and the indirect mode of contact of lithium carbonate solution to solution evaporation concentration, avoids steam directly to put into the preparation that causes the lithium carbonate in the lithium carbonate solution and influences, and this evaporation plant has higher heat preservation effect simultaneously, guarantees the energy utilization rate in the use, and this evaporation plant can prevent the precipitation condensation of solid in the solution in addition when using, the discharge of the lithium carbonate concentrate of the preparation of being convenient for.

Inventors

HAN BIAO
WANG HAO
Pei zhe
DENG KUI
GAO JUN

Assignees

洛阳欣安新能源有限公司

Dates

Publication Date: 20260508
Application Date: 20241108

Claims (6)

1. The utility model provides an evaporation plant for concentration of lithium carbonate solution, includes evaporation case (1) and is used for locating support (3) of evaporation case (1) location, its characterized in that evaporation case (1) downside install concentrate case (2) rather than the inner chamber intercommunication, evaporation case (1) top install inlet pipe (4) rather than the inner chamber intercommunication, concentrate case (2) bottom side middle part is provided with drive assembly, and installs the stirring subassembly in drive assembly's the drive shaft, the stirring subassembly is located evaporation case (1) and concentrate case (2), evaporation case (1) side has run through a plurality of evaporating pipes, and evaporation case (1) outside cover is equipped with heat preservation shell (5), keep warm case (5) and evaporation case (1) between reserve flow space, evaporation case (1) side-mounting has a plurality of communicating pipe (6) rather than the inner chamber intercommunication, and communicating pipe (6) are fixed at heat preservation case (5) side and with flow space intercommunication, heat preservation case (5) side lower part is fixed with pipe (12) with flow space intercommunication, concentrate case (2) side-mounting and lower material intercommunication.
2. The evaporation device for concentrating the lithium carbonate solution according to claim 1, wherein the evaporation tube comprises a plurality of heat exchange tubes (8) fixed in the evaporation box (1), a flow guide tube (7) communicated with the inner cavities of the heat exchange tubes (8) is fixed at the outer side of the evaporation box (1), and a heat preservation sleeve (9) is sleeved at the outer side of the flow guide tube (7).
3. The evaporation device for concentrating lithium carbonate solution according to claim 1, wherein the stirring assembly comprises a mounting shaft (13) rotatably mounted at the bottom of the inner cavity of the concentrating tank (2), the side surface of the mounting shaft (13) is provided with a spiral blade (16), and the spiral blade (16) is positioned in the concentrating tank (2).
4. The evaporation device for lithium carbonate solution concentration according to claim 3, wherein the installation shaft (13) extends upwards into the evaporation tank (1), a plurality of stirring blades (15) are fixed on the side surface of the installation shaft (13), the stirring blades (15) are all positioned in the evaporation tank (1), a fixing frame (14) is installed in the evaporation tank (1), the top end of the installation shaft (13) is rotationally connected with the side surface of the fixing frame (14), and a conical block (18) is fixed on the upper side of the fixing frame (14) corresponding to the position of the feed pipe (4).
5. The evaporating apparatus for concentrating lithium carbonate solution as in claim 3, wherein the driving assembly comprises a motor (17) mounted at the bottom of the concentrating tank (2), and an output shaft of the motor (17) is fixedly connected with the mounting shaft (13).
6. The evaporation device for concentrating lithium carbonate solution according to claim 1, wherein the discharging assembly comprises a liquid discharge pipe (10) which is arranged on the side surface of the concentrating tank (2) and is communicated with the inner cavity of the concentrating tank, and a valve (11) is arranged on the liquid discharge pipe (10).

Description

Evaporation device for concentration of lithium carbonate solution Technical Field The utility model relates to the technical field of lithium carbonate processing and preparation, in particular to an evaporation device for concentrating a lithium carbonate solution. Background Lithium carbonate, which is a common compound of lithium, is generally an inorganic salt formed by combining lithium element, carbon element and oxygen element, and is widely used in various fields such as batteries, glass, ceramics, medicines and the like. In the lithium carbonate preparation process, the prepared lithium carbonate solution is required to be concentrated so as to facilitate the subsequent precipitation of lithium carbonate, the common concentration mode is to heat the lithium carbonate solution through steam to evaporate redundant moisture in the lithium carbonate solution, but when the mode is used for concentrating the lithium carbonate solution, the steam is directly introduced into the lithium carbonate solution to easily cause the change of partial components in the lithium carbonate solution, and the moisture contained in the steam also can influence the lithium carbonate solution, so that the preparation of lithium carbonate is not facilitated, and in addition, part of heat is easily dissipated through an evaporation tank in the concentration process, so that energy is wasted and the concentration of the lithium carbonate solution is not facilitated. Disclosure of utility model The utility model aims to overcome the existing defects, and provides the evaporating device for concentrating the lithium carbonate solution, which adopts a mode that high-temperature steam is in indirect contact with the lithium carbonate solution to evaporate and concentrate the solution, so that the influence of direct steam introduction into the lithium carbonate solution on the preparation of lithium carbonate is avoided. The evaporation device for concentrating the lithium carbonate solution comprises an evaporation tank and a positioning bracket for positioning the evaporation tank, wherein a concentration tank communicated with an inner cavity of the evaporation tank is arranged at the lower side of the evaporation tank, a feeding pipe communicated with the inner cavity of the evaporation tank is arranged at the top of the evaporation tank, a driving assembly is arranged in the middle of the bottom side of the concentration tank, a stirring assembly is arranged on a driving shaft of the driving assembly, the stirring assembly is positioned in the evaporation tank and the concentration tank, a plurality of evaporation pipes penetrate through the side surface of the evaporation tank, a heat preservation shell is sleeved outside the evaporation tank, a flowing space is reserved between the heat preservation shell and the evaporation tank, a plurality of communicating pipes communicated with the inner cavity of the evaporation tank are arranged on the side surface of the evaporation tank, the communicating pipes are fixed on the side surface of the heat preservation shell and are communicated with the flowing space, a guide pipe communicated with the flowing space is fixed at the lower part of the side surface of the heat preservation shell, and a discharging assembly communicated with the inner cavity of the concentration tank is arranged on the side surface of the heat preservation shell. As a preferable technical scheme of the utility model, the evaporation tube comprises a plurality of heat exchange tubes fixed in the evaporation box, a flow guide tube communicated with the inner cavities of the heat exchange tubes is fixed at the outer side of the evaporation box, and a heat preservation sleeve is sleeved at the outer side of the flow guide tube. As a preferable technical scheme of the utility model, the stirring assembly comprises a mounting shaft rotatably mounted at the bottom of the inner cavity of the concentration tank, the side surface of the mounting shaft is provided with a spiral blade, and the spiral blade is positioned in the concentration tank. As a preferable technical scheme of the utility model, the mounting shaft extends upwards into the evaporation box, a plurality of stirring blades are fixed on the side surface of the mounting shaft and are positioned in the evaporation box, a fixing frame is arranged in the evaporation box, the top end of the mounting shaft is rotationally connected with the side surface of the fixing frame, and a conical block is fixed on the upper side of the fixing frame corresponding to the position of the feeding pipe. As a preferable technical scheme of the utility model, the driving assembly comprises a motor arranged at the bottom of the concentration tank, and an output shaft of the motor is fixedly connected with the mounting shaft. As a preferable technical scheme of the utility model, the blanking component comprises a liquid discharge pipe which is arranged on the side surfac