CN210079514U - Solid-liquid circulation reaction device - Google Patents

Abstract

The utility model provides a solid-liquid circulation reaction device, which comprises a reaction kettle, a circulating pump, a filter, a stirrer, a discharge valve and a liquid feed valve, wherein the reaction kettle is provided with a solid raw material feed port, a circulation feed port and a bottom valve, the circulating pump is provided with a suction pipe and a circulating pump discharge port, the bottom valve is connected with the filter feed port through a pipeline, the discharge port at the lower end of the filter is communicated with the discharge port, the discharge port at the right end of the filter is communicated with the suction pipe and the liquid feed valve through a three-way joint, the circulating pump discharge port is connected with the circulation feed valve through a circulation material pipe, the other end of the circulation feed valve is connected with the circulation feed port, and the residual solid raw materials after reaction are recycled by adding the circulating pump and the filter, so that the materials can be fully and quickly, thereby reducing the generation of three wastes, reducing the energy consumption and lowering the production cost.

Description

Solid-liquid circulation reaction device

Technical Field

The utility model relates to a mechanism design technical field, in particular to solid-liquid circulation reaction unit.

Background

In the chemical industry, there are many production activities involving heterogeneous reactions of solids and liquids in large scale production. And the heat transfer and mass transfer in the non-homogeneous reaction are difficult problems which plague the majority of chemical technicians and chemical production enterprises for many years.

The solid-liquid reaction in chemical production has the following specific problems: the specific gravity of the solid is usually far greater than that of the liquid, so that the solid is easy to settle and is difficult to be uniformly stirred; the stirring speed of the traditional chemical reaction kettle is averagely 60-80 rpm, which is not enough to fully mix the materials; the solid is insoluble or substantially insoluble in the liquid, which can hinder heat and mass transfer for chemical reactions.

In order to improve the efficiency of solid-liquid reaction in large-scale chemical production, a certain raw material proportion needs to be increased and the reaction time needs to be prolonged in the process of using a traditional reaction kettle, so that raw materials are wasted, more solid wastes are generated, and the energy consumption is increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in the traditional solid-liquid reaction, the proportion of solid raw materials needs to be increased, and the reaction time is prolonged, so that the raw materials are wasted, more solid wastes are generated, and the energy consumption is increased. The utility model provides a solid-liquid circulation reaction unit solves above-mentioned problem.

The utility model provides a technical scheme that its technical problem adopted is: a solid-liquid circulation reaction device comprises a reaction kettle, a circulating pump, a filter, a stirrer, a discharge valve and a liquid feed valve, wherein the liquid feed valve is communicated with a liquid feed port, the upper end of the reaction kettle is provided with a solid raw material feed port and a circulation feed port, and a bottom valve is arranged below the reaction kettle; a suction pipe is arranged at the left end of the circulating pump, and a circulating pump discharge hole is formed at the right end of the circulating pump; the filter includes filter feed inlet, filter lower extreme discharge gate and filter right-hand member discharge gate, the bottom valve passes through the pipe connection the filter feed inlet, filter lower extreme discharge gate is connected the one end of baiting valve, the drain hole is connected to the other end of baiting valve, the circulating pump with be provided with three way connection between the filter, filter right-hand member discharge gate the suction tube with the liquid feed valve passes through the three way connection intercommunication, the circulating pump discharge gate is through the one end of circulation material union coupling circulation feed valve, the other end of circulation feed valve is connected the circulation feed inlet.

Further: the stirring machine is arranged at the upper end of the reaction kettle and comprises a stirring machine blade, the stirring machine blade is installed into the barrel of the reaction kettle along the vertical direction, a medium feeding hole is formed in the left side of the lower end of the reaction kettle, a medium discharging hole is formed in the right side of the upper end of the reaction kettle, and valves are arranged on the medium feeding hole and the medium discharging hole respectively.

Further: the circulation pump is provided with a speed regulator.

Further: the middle of the circulating material pipe is provided with a sampling port, and a sampling valve is arranged on the sampling port.

The beneficial effects of the utility model are that, the utility model relates to a solid-liquid circulation reaction unit is through increasing circulating pump, filter, will react remaining solid starting material and recycle, makes the abundant flash mixed of material ability even, has shortened reaction time, has reduced unnecessary and has thrown the material ratio, is different from among the prior art through increaseing solid starting material ratio to reduce the production of three wastes, also reduced the energy consumption, reduced manufacturing cost.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of the preferred embodiment of the solid-liquid circulation reactor of the present invention.

In the figure, 1, a reaction kettle, 2, a circulating pump, 3, a filter, 4, a stirrer, 5, a solid raw material feeding port, 6, a circulating feeding port, 7, a bottom valve, 8, a suction pipe, 9, a circulating pump discharging port, 10, a filter feeding port, 11, a filter lower end discharging port, 12, a filter right end discharging port, 13, a discharging port, 14, a discharging valve, 15, a three-way joint, 16, a liquid feeding port, 17, a liquid feeding valve, 18, a circulating material pipe, 19, a circulating feeding valve, 20, a stirrer blade, 21, a medium feeding port, 22, a medium discharging port 23 and a sampling port.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.

As shown in fig. 1, the utility model provides a solid-liquid circulation reaction unit, including reation kettle 1, circulating pump 2, filter 3, mixer 4, baiting valve 14 and liquid feed valve 17, its characterized in that: the liquid feeding valve 17 is communicated with the liquid feeding hole 16, the upper end of the reaction kettle 1 is provided with a solid raw material feeding hole 5 and a circulating feeding hole 6, and the lower part of the reaction kettle 1 is provided with a bottom valve 7; a suction pipe 8 is arranged at the left end of the circulating pump 2, and a circulating pump discharge hole 9 is arranged at the right end of the circulating pump 2; the filter 3 includes filter feed inlet 10, filter lower extreme discharge gate 11 and filter right-hand member discharge gate 12, the bottom valve 7 passes through the pipe connection filter feed inlet 9, filter lower extreme discharge gate 11 is connected the one end of baiting valve 14, the drain hole 13 is connected to the other end of baiting valve 14, circulating pump 2 with be provided with three way connection 15 between the filter 3, filter right-hand member discharge gate 12 the suction tube 8 with liquid feed valve 17 passes through three way connection 15 intercommunication, circulating pump discharge gate 9 passes through the one end that circulation material pipe 18 connects circulation feed valve 19, circulation feed valve 19's the other end is connected circulation feed inlet 6.

During operation, follow solid material dog-house 5 with liquid feed inlet 16 adds the raw materials, solid raw materials and liquid raw materials are mixed through the stirring of mixer 4 in reation kettle 1, produce the product after a period of chemical reaction, produced product enters into filter 3 through bottom valve 7, filter 3 filters out the remaining solid raw materials of reaction from the finished product, suction tube 8 is with remaining solid raw materials from filter right-hand member discharge gate suction, carry out chemical reaction in reation kettle 1 by the solid raw materials and the liquid raw materials of suction carry through circulating pump 2, in transportation process, solid raw materials and liquid raw materials carry out primary mixing, the time of mixing in reation kettle 1 has been reduced. The use of a plurality of valves can more reasonably control the reaction process. The use of the three-way joint 15 facilitates the disassembly of the equipment.

The stirring machine 4 is arranged at the upper end of the reaction kettle 1, the stirring machine 4 comprises a stirring machine paddle 20, the stirring machine paddle 20 is installed into the barrel of the reaction kettle 1 along the vertical direction, a medium feeding hole 21 is formed in the left side of the lower end of the reaction kettle 1, a medium discharging hole 22 is formed in the right side of the upper end of the reaction kettle 1, and valves are respectively arranged on the medium feeding hole 21 and the medium discharging hole 22.

The stirrer 4 fully mixes the solid raw material and the liquid raw material entering the reaction kettle 1, so that the time required by the reaction is shortened, the medium enters the reaction kettle 1 from the medium inlet 21 at the lower end and flows out from the medium outlet 22 at the upper end, and the design of downward inlet and upward outlet ensures that enough medium exists in the reaction kettle 1 to promote the chemical reaction.

The circulating pump 2 is provided with the speed regulator, when the residual solid raw materials are more, the running speed of the circulating pump can be increased through the speed regulator, the residual solid raw materials are conveyed into the reaction kettle more quickly, the backlog of the solid raw materials in the filter is reduced, and the utilization rate of the raw materials is increased.

The middle of the circulating material pipe 18 is provided with a sampling port 23, the sampling port 23 is provided with a sampling valve, and sampling can be carried out at any time to carry out process detection until the reaction is finished.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (4)

1. The utility model provides a solid-liquid circulation reaction unit, includes reation kettle (1), circulating pump (2), filter (3), mixer (4), baiting valve (14) and liquid feed valve (17), its characterized in that: the liquid feeding valve (17) is communicated with the liquid feeding hole (16), the upper end of the reaction kettle (1) is provided with a solid raw material feeding hole (5) and a circulating feeding hole (6), and the lower part of the reaction kettle (1) is provided with a bottom valve (7); a suction pipe (8) is arranged at the left end of the circulating pump (2), and a circulating pump discharge hole (9) is arranged at the right end of the circulating pump (2); filter (3) are including filter feed inlet (10), filter lower extreme discharge gate (11) and filter right-hand member discharge gate (12), bottom valve (7) pass through the pipe connection filter feed inlet (10), filter lower extreme discharge gate (11) are connected the one end of baiting valve (14), drain hole (13) are connected to the other end of baiting valve (14), circulating pump (2) with be provided with three way connection (15) between filter (3), filter right-hand member discharge gate (12) suction tube (8) with liquid feed valve (17) pass through three way connection (15) intercommunication, the one end of circulation feed valve (19) is connected through circulation material pipe (18) in circulating pump discharge gate (9), the other end of circulation feed valve (19) is connected circulation feed inlet (6).

2. The solid-liquid circulation reaction apparatus according to claim 1, wherein: stirrer (4) set up reation kettle (1) upper end, stirrer (4) include stirrer paddle (20), install into along vertical direction stirrer paddle (20) in reation kettle (1)'s the barrel, reation kettle (1) lower extreme left side is provided with medium feed inlet (21), reation kettle (1) upper end right side is provided with medium discharge gate (22), medium feed inlet (21) with be provided with the valve on medium discharge gate (22) respectively.

3. The solid-liquid circulation reaction apparatus according to claim 1, wherein: the circulating pump (2) is provided with a speed regulator.

4. The solid-liquid circulation reaction apparatus according to claim 1, wherein: the middle of the circulating material pipe (18) is provided with a sampling port (23), and the sampling port (23) is provided with a sampling valve.

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