Multistage extraction phase-splitting device and laminated extraction equipment

Abstract

The utility model provides a multi-stage extraction phase splitting device and laminated extraction equipment. The multi-stage extraction phase-splitting device comprises a phase-splitting barrel, a power mechanism and a multi-stage extraction mechanism, the split-phase barrel is provided with a split-phase cavity; the power mechanism is provided with a plurality of output assemblies; the multi-stage extraction mechanism is located in the split-phase cavity and nested with the split-phase barrel, the multi-stage extraction mechanism comprises a first hollow shaft sleeve, a second hollow shaft sleeve and a plurality of extraction barrels which are sequentially nested and relatively rotatably arranged, and each extraction barrel is provided with an extraction mixing cavity and a liquid outlet via hole which are communicated with each other; the extraction mixing cavities of every two adjacent extraction barrels are communicated through corresponding liquid outlet via holes, the extraction mixing cavity of the extraction barrel on the outermost side is communicated with the phase splitting cavity through the corresponding liquid outlet via hole, and the first hollow shaft sleeve and the second hollow shaft sleeve are both communicated with the extraction mixing cavity of the extraction barrel on the innermost side. According to the multi-stage extraction phase-splitting device, the area utilization rate of a plant site is relatively high.

Description

Technical Field

[0001] The present disclosure relates to the technical field of extraction equipment, and in particular to a multi-stage extraction phase separation device and a stacked extraction equipment. Background Art

[0002] Extraction equipment is an industrial processing equipment that uses an extractant to extract the solute from the liquid to be extracted. Extraction equipment is widely used in the fields of food, chemical industry, medicine, biological products, wastewater treatment and petroleum. In the process of battery material recycling, extraction equipment is also a commonly used equipment. The extraction equipment consists of the equipment body and the extraction phase separation device, and the extraction phase separation device is connected to the equipment body.

[0003] In the prior art, the traditional extraction phase-separation device includes multiple extraction phase-separation mechanisms, and the multiple extraction phase-separation mechanisms are arranged in parallel and spaced apart, and two adjacent extraction phase-separation mechanisms are connected. Each extraction phase-separation mechanism includes a connected extraction tank and a phase-separation tank. The phase-separation tank of the first extraction phase-separation mechanism is connected to the extraction tank of the second extraction phase-separation mechanism, and the phase-separation tank of the second extraction phase-separation mechanism is connected to the extraction tank of the third extraction phase-separation mechanism to complete multi-stage extraction phase-separation, such as the Chinese patent with patent number CN201820199473.2.

[0004] However, since a plurality of extraction phase-separation mechanisms are arranged in parallel and at intervals, that is, a plurality of extraction tanks are arranged in parallel and at intervals, and a plurality of phase-separation tanks are arranged in parallel and at intervals, and the phase-separation tank is arranged between two adjacent extraction tanks, so that the extraction phase-separation device is in the shape of a long strip, the extraction phase-separation device is long and bulky. Therefore, when placing the extraction phase-separation device, the extraction phase-separation device requires a large floor space, which is not convenient for saving the use area of ​​the factory site, so that the area utilization rate of the factory site is low. Utility Model Content

[0005] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a multi-stage extraction phase separation device and a stacked extraction equipment that can achieve a higher utilization rate of the plant area.

[0006] The purpose of this disclosure is achieved through the following technical solutions:

[0007] A multi-stage extraction phase separation device, comprising:

[0008] A phase separation cylinder is provided with a phase separation cavity, and the phase separation cylinder is provided with a light phase outlet pipe and a heavy phase outlet pipe, and the light phase outlet pipe and the heavy phase outlet pipe are both connected to the phase separation cavity;

[0009] A power mechanism is located outside the phase separation cavity, the power mechanism is provided with a plurality of output components, and the power output ends of the plurality of output components are arranged at intervals; and

[0010] A multi-stage extraction mechanism is located in the phase-separation chamber and nested with the phase-separation cylinder, and the multi-stage extraction mechanism is rotatably connected to the phase-separation cylinder. The multi-stage extraction mechanism includes a first hollow shaft sleeve, a second hollow shaft sleeve and a plurality of extraction cylinders nested in sequence and relatively rotatably arranged. The innermost extraction cylinder is respectively connected to the first hollow shaft sleeve and the second hollow shaft sleeve. The power output end of each output component is connected to the corresponding extraction cylinder to drive the corresponding extraction cylinder to rotate. The plurality of output components are arranged one-to-one with the plurality of extraction cylinders. Each extraction cylinder is provided with a connected extraction mixing chamber and a liquid outlet through-hole. The extraction mixing chambers of two adjacent extraction cylinders are connected through the corresponding liquid outlet through-holes. The extraction mixing chamber of the outermost extraction cylinder is connected to the phase-separation chamber through the corresponding liquid outlet through-hole. The first hollow shaft sleeve and the second hollow shaft sleeve are both connected to the extraction mixing chamber of the innermost extraction cylinder.

[0011] In one of the embodiments, the phase separation cylinder is further provided with a mounting through hole, which is communicated with the phase separation chamber; both ends of each of the extraction cylinders are provided with shaft sleeves, the shaft sleeve of the outermost extraction cylinder is passed through the mounting through hole and is rotatably connected to the phase separation cylinder, and the shaft sleeve of the outermost extraction cylinder of two adjacent extraction cylinders is sleeved on the shaft sleeve of the innermost extraction cylinder, so that the two adjacent extraction cylinders are relatively rotatably connected.

[0012] In one embodiment, the number of the output components and the extraction cylinders are both three, the three output components are respectively a first output component, a second output component and a third output component, the three extraction cylinders are respectively a first extraction cylinder, a second extraction cylinder and a third extraction cylinder, the power output end of the first output component is transmission-connected to the first extraction cylinder to drive the first extraction cylinder to rotate; the power output end of the second output component is transmission-connected to the second extraction cylinder to drive the second extraction cylinder to rotate; the power output end of the third output component is transmission-connected to the third extraction cylinder to drive the third extraction cylinder to rotate.

[0013] In one embodiment, the third output assembly includes a third output shaft and a third conveyor belt, the third output shaft is provided with a third conveyor wheel, the third conveyor wheel is drivingly connected to the third conveyor belt, the sleeve of the third extraction cylinder is a first sleeve, the first sleeve is penetrated through the mounting through hole and is rotatably connected to the phase separation cylinder, the side of the third conveyor belt away from the third conveyor wheel is drivingly connected to the first sleeve to drive the third extraction cylinder to rotate relative to the phase separation cylinder; the second output assembly includes a second output shaft and a second conveyor belt, the second output shaft is provided with a second conveyor wheel, the second conveyor wheel is drivingly connected to the second conveyor belt, the sleeve of the second extraction cylinder is a second sleeve, the first sleeve is provided with a first connecting through hole, the second sleeve is penetrated through the first connecting through hole and is rotatably connected to the first sleeve, the side of the second conveyor belt away from the second conveyor wheel is drivingly connected to the second sleeve to drive the second extraction cylinder to rotate relative to the phase separation cylinder.

[0014] In one embodiment, the first output component includes a first output shaft and a first conveyor belt, the first output shaft is provided with a first conveyor wheel, the first conveyor wheel is drivingly connected to the first conveyor belt, the first hollow sleeve is connected to one end of the first extraction cylinder, the second hollow sleeve is connected to the other end of the extraction cylinder, the second sleeve is provided with a second connecting through hole, the first hollow sleeve is penetrated through the second connecting through hole and is rotatably connected to the second sleeve, and the first conveyor belt is drivingly connected to the first hollow sleeve at a side away from the first conveyor wheel to drive the first extraction cylinder to rotate relative to the phase separation cylinder.

[0015] In one embodiment, the number of the first sleeves, the second sleeves and the mounting through holes are all two, the two first sleeves are respectively located at the two ends of the third extraction cylinder, the two second sleeves are respectively located at the two ends of the second extraction cylinder, the two mounting through holes are respectively opened at the two ends of the phase separation cylinder, the two first sleeves, the two second sleeves and the two mounting through holes are arranged in a one-to-one correspondence, the first hollow sleeve is passed through the second connecting through hole of one of the second sleeves and is rotatably connected to the second sleeve, and the second hollow sleeve is passed through the second connecting through hole of the other second sleeve and is rotatably connected to the second sleeve.

[0016] In one embodiment, the first extraction cylinder is provided with a first extraction mixing chamber and a first liquid outlet hole that are interconnected, the first hollow sleeve and the second hollow sleeve are both connected to the first extraction mixing chamber, the outer peripheral wall of the first extraction cylinder is provided with a first stirring body and a first baffle assembly, the first stirring body is inclined from top to bottom along the circumferential direction of the outer peripheral wall, and the first baffle assembly is spaced apart from the first stirring body.

[0017] In one embodiment, the second extraction cylinder is provided with a second extraction mixing chamber, a second upper liquid outlet through hole and a second lower liquid outlet through hole, the second extraction mixing chamber is communicated with the second upper liquid outlet through hole and the second lower liquid outlet through hole respectively, the second connecting through hole of each second sleeve is communicated with the second extraction mixing chamber, the first extraction cylinder is located in the second extraction mixing chamber and is nested with the second extraction cylinder, the second extraction mixing chamber is communicated with the first liquid outlet through hole, the outer peripheral wall of the second extraction cylinder is provided with a second stirring body, a second upper baffle assembly and a second lower baffle assembly, the second stirring body is inclined from top to bottom along the circumferential direction of the outer peripheral wall, the second upper baffle assembly and the second lower baffle assembly are arranged opposite to each other, and the second upper baffle assembly and the second lower baffle assembly are both spaced apart from the second stirring body.

[0018] In one embodiment, the third extraction cylinder is provided with a third extraction mixing chamber and a third liquid outlet through hole which are interconnected, the first connection through hole of each first sleeve is connected to the third extraction mixing chamber, the second extraction cylinder is located in the third extraction mixing chamber and is nested with the third extraction cylinder, the third extraction mixing chamber is respectively connected to the second upper liquid outlet through hole and the second lower liquid outlet through hole, the inner circumferential wall of the third extraction cylinder is provided with a third stirring body, the third stirring body is inclined from top to bottom along the circumferential direction of the inner circumferential wall, and the third stirring body is arranged adjacent to the second stirring body; the third extraction cylinder is located in the phase separation chamber and is nested with the phase separation chamber, and the third liquid outlet through hole is connected to the phase separation chamber.

[0019] A stacked extraction device comprises an equipment body and at least two multistage extraction phase separation devices as described in any of the above embodiments, each of the multistage extraction phase separation devices is connected to the equipment body, two adjacent multistage extraction phase separation devices are stacked and spaced apart, and two adjacent multistage extraction phase separation devices are connected.

[0020] Compared with the prior art, the present invention has at least the following advantages:

[0021] 1. Since the first hollow sleeve and the second hollow sleeve are both connected to the extraction mixing chamber of the innermost extraction cylinder, the liquid to be extracted can be introduced through the first hollow channel of the first hollow sleeve, and the extractant can be introduced through the second hollow channel of the second hollow sleeve, so that the liquid to be extracted and the extractant are extracted and mixed in the extraction mixing chamber of the innermost extraction cylinder to form a mixed liquid; the extraction mixing chambers of two adjacent extraction cylinders are connected through corresponding liquid outlet holes, so that the mixed liquid in the extraction mixing chamber of the innermost extraction cylinder flows into the outermost extraction cylinder along the corresponding liquid outlet holes. The mixed liquid is extracted and mixed again in the extraction mixing chamber of the extraction cylinder each time it passes through the extraction mixing chamber of an extraction cylinder, so as to complete the multi-stage extraction of the mixed liquid, and the extraction mixing chamber of the outermost extraction cylinder is connected with the phase separation chamber through the corresponding liquid outlet through-hole, so that the mixed liquid in the extraction mixing chamber of the outermost extraction cylinder flows into the phase separation chamber along the corresponding liquid outlet through-hole, and the mixed liquid is separated into a light phase layer and a heavy phase layer when it is left to stand in the phase separation chamber, and the light phase outlet pipe is used to lead out the light phase layer, and the heavy phase outlet pipe is used to lead out the heavy phase layer, so as to complete the phase separation treatment of the mixed liquid;

[0022] 2. The multi-stage extraction mechanism is located in the phase separation chamber and is nested with the phase separation cylinder, so that the phase separation cylinder is nested and covered in the multi-stage extraction mechanism. The multi-stage extraction mechanism includes a plurality of extraction cylinders nested in sequence and relatively rotatably arranged, so that the plurality of extraction cylinders are located in the phase separation chamber, and the plurality of extraction cylinders and the phase separation cylinders are nested in sequence, thereby avoiding the problem of the prior art that a plurality of extraction tanks are arranged in parallel and spaced, and a plurality of phase separation tanks are arranged in parallel and spaced, so that the multi-stage extraction phase separation device is shorter and smaller, and thus the overall structure of the multi-stage extraction phase separation device is more compact; therefore, when placing the multi-stage extraction phase separation device, the multi-stage extraction phase separation device requires a smaller floor space, which is conducive to saving the usable area of ​​the factory site, so that the area utilization rate of the factory site is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present disclosure and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 This is a schematic structural diagram of a multi-stage extraction phase separation device according to an embodiment;

[0025] Figure 2 for Figure 1 A three-dimensional structural diagram of a multi-stage extraction phase separation device shown;

[0026] Figure 3 for Figure 1A plan view showing another perspective of the multi-stage extraction phase separation device shown;

[0027] Figure 4 for Figure 2 The internal partial three-dimensional structure display diagram of the multi-stage extraction phase separation device shown;

[0028] Figure 5 for Figure 4 An internal partial plan view of the multi-stage extraction phase separation device shown;

[0029] Figure 6 for Figure 2 A schematic diagram of the internal partial three-dimensional structure of the multi-stage extraction phase separation device from another perspective;

[0030] Figure 7 for Figure 6 An internal partial plan view showing another perspective of the multi-stage extraction phase separation device shown;

[0031] Figure 8 It is a schematic structural diagram of a stacked extraction device according to an embodiment;

[0032] Figure numerals: 10, stacked extraction equipment; 100, multi-stage extraction phase separation device; 200, equipment body; 110, phase separation cylinder; 111, phase separation chamber; 112, light phase outlet pipe; 113, heavy phase outlet pipe; 114, mounting through hole; 120, power mechanism; 121, first output assembly; 1211, first output shaft; 1211a, first transmission wheel; 1212, first transmission belt; 122, second output assembly; 1221, second output shaft; 1221a, second transmission wheel; 1222, second transmission belt; 123, third output assembly; 1231, third output shaft; 1231a, third transmission wheel; 1232, third transmission belt; 130, multi-stage extraction mechanism; 131, first hollow shaft sleeve; 1311, first hollow channel; 1 32. second hollow sleeve; 1321. second hollow channel; 133. first extraction cylinder; 1331. first extraction mixing chamber; 1332. first liquid outlet through hole; 1333. first stirring body; 1334. first baffle assembly; 134. second extraction cylinder; 1341. second sleeve; 1341a. second connecting hole; 1342. second extraction mixing chamber; 1343. second upper liquid outlet through hole; 1344. second lower liquid outlet through hole; 1345. second stirring body; 1346. second upper baffle assembly; 1347. second lower baffle assembly; 135. third extraction cylinder; 1351. first sleeve; 1351a. first connecting through hole; 1352. third extraction mixing chamber; 1353. third liquid outlet through hole; 1354. third stirring body. DETAILED DESCRIPTION

[0033] In order to facilitate the understanding of the present disclosure, the present disclosure will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present disclosure are given in the drawings. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present disclosure more thoroughly and comprehensively understood.

[0034] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present disclosure. The terms used herein in the specification of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0036] In order to better understand the technical solutions and beneficial effects of the present invention, the present invention is further described in detail below in conjunction with specific embodiments:

[0037] like Figures 1 to 5As shown, a multi-stage extraction phase separation device 100 of an embodiment includes a phase separation cylinder 110, a power mechanism 120 and a multi-stage extraction mechanism 130; the phase separation cylinder 110 is provided with a phase separation chamber 111, and the phase separation cylinder 110 is provided with a light phase outlet pipe 112 and a heavy phase outlet pipe 113, and the light phase outlet pipe 112 and the heavy phase outlet pipe 113 are both connected to the phase separation chamber 111; the power mechanism 120 is located outside the phase separation chamber 111, and the power mechanism 120 is provided with a plurality of output components, and the power output ends of the plurality of output components are arranged at intervals; the multi-stage extraction mechanism 130 is located in the phase separation chamber 111 and is nested with the phase separation cylinder 110, and the multi-stage extraction mechanism 130 is rotatably connected to the phase separation cylinder 110, and the multi-stage extraction mechanism 130 includes a first hollow shaft sleeve 131 , a second hollow shaft sleeve 132 and a plurality of extraction cylinders which are nested in sequence and relatively rotatable, the innermost extraction cylinder is respectively connected to the first hollow shaft sleeve 131 and the second hollow shaft sleeve 132, the power output end of each output assembly is connected to the corresponding extraction cylinder to drive the corresponding extraction cylinder to rotate, a plurality of output assemblies are arranged in one-to-one correspondence with a plurality of extraction cylinders, each extraction cylinder is provided with a connected extraction mixing chamber and a liquid outlet through hole, the extraction mixing chambers of two adjacent extraction cylinders are connected through the corresponding liquid outlet through holes, the extraction mixing chamber of the outermost extraction cylinder is connected to the phase separation chamber 111 through the corresponding liquid outlet through hole, and the first hollow shaft sleeve 131 and the second hollow shaft sleeve 132 are both connected to the extraction mixing chamber of the innermost extraction cylinder.

[0038] In this embodiment, the light phase outlet pipe 112 is located at the upper end of the phase separation cylinder 110, and the heavy phase outlet pipe 113 is located at the lower end of the phase separation cylinder 110. The power mechanism 120 is a multi-stage reducer. The first hollow channel 1311 of the first hollow shaft sleeve 131 is used to introduce the liquid to be extracted, and the second hollow channel 1321 of the second hollow shaft sleeve 132 is used to introduce the extractant. The mixed liquid is allowed to stand in the phase separation chamber 111 and is separated into a light phase layer and a heavy phase layer. The light phase outlet pipe 112 is used to guide the light phase layer, and the heavy phase outlet pipe 113 is used to guide the heavy phase layer.

[0039] In the above-mentioned multi-stage extraction phase separation device 100, since the first hollow sleeve 131 and the second hollow sleeve 132 are both connected to the extraction mixing chamber of the innermost extraction cylinder, the liquid to be extracted can be introduced through the first hollow channel 1311 of the first hollow sleeve 131, and the extractant can be introduced through the second hollow channel 1321 of the second hollow sleeve 132, so that the liquid to be extracted and the extractant are extracted and mixed in the extraction mixing chamber of the innermost extraction cylinder to form a mixed liquid; the extraction mixing chambers of two adjacent extraction cylinders are connected through corresponding liquid outlet holes, so that the mixed liquid in the extraction mixing chamber of the innermost extraction cylinder is discharged along the corresponding liquid outlet holes. The mixed liquid flows into the extraction mixing chamber of the outer extraction cylinder through the liquid outlet hole. The mixed liquid can be extracted and mixed again in the process of passing through the extraction mixing chamber of each extraction cylinder, so as to complete the multi-stage extraction of the mixed liquid. The extraction mixing chamber of the outermost extraction cylinder is connected with the phase separation chamber 111 through the corresponding liquid outlet through hole, so that the mixed liquid in the extraction mixing chamber of the outermost extraction cylinder flows into the phase separation chamber 111 along the corresponding liquid outlet through hole. The mixed liquid is separated into a light phase layer and a heavy phase layer when it is left to stand in the phase separation chamber 111. The light phase outlet pipe 112 is used to lead out the light phase layer, and the heavy phase outlet pipe 113 is used to lead out the heavy phase layer, so as to complete the phase separation treatment of the mixed liquid.

[0040] The multi-stage extraction mechanism 130 is located in the phase separation chamber 111 and is nested with the phase separation cylinder 110, so that the phase separation cylinder 110 is nested and covered by the multi-stage extraction mechanism 130. The multi-stage extraction mechanism 130 includes a plurality of extraction cylinders nested in sequence and relatively rotated, so that the plurality of extraction cylinders are located in the phase separation chamber 111, and the plurality of extraction cylinders and the phase separation cylinder 110 are nested in sequence, thereby avoiding the problem of the prior art that a plurality of extraction tanks are arranged in parallel and spaced, and a plurality of phase separation tanks are arranged in parallel and spaced, so that the multi-stage extraction phase separation device 100 is shorter and smaller, and thus the overall structure of the multi-stage extraction phase separation device 100 is more compact; therefore, when the multi-stage extraction phase separation device 100 is placed, the multi-stage extraction phase separation device 100 requires a smaller floor space, which is beneficial to saving the usable area of ​​the factory site, so that the area utilization rate of the factory site is higher.

[0041] It should be noted that the power mechanism 120 can be installed and fixed above the multi-stage extraction mechanism 130 through a bracket (not shown).

[0042] like Figures 1 to 5As shown, in one of the embodiments, the phase separation cylinder 110 is further provided with a mounting through hole 114, which is communicated with the phase separation chamber 111; shaft sleeves are provided at both ends of each extraction cylinder, the shaft sleeve of the outermost extraction cylinder is passed through the mounting through hole 114 and is rotatably connected to the phase separation cylinder 110, and the shaft sleeve of the outermost extraction cylinder of two adjacent extraction cylinders is sleeved on the shaft sleeve of the innermost extraction cylinder, so that the two adjacent extraction cylinders are relatively rotatably connected, which is beneficial to the rotation between the two adjacent extraction cylinders and improves the rotation convenience of the multi-stage extraction mechanism 130.

[0043] like Figures 1 to 5 As shown, in one embodiment, the number of output components and extraction cylinders are three, the three output components are respectively the first output component 121, the second output component 122 and the third output component 123, the three extraction cylinders are respectively the first extraction cylinder 133, the second extraction cylinder 134 and the third extraction cylinder 135, the power output end of the first output component 121 is transmission-connected with the first extraction cylinder 133 to drive the first extraction cylinder 133 to rotate; the power output end of the second output component 122 is transmission-connected with the second extraction cylinder 134 to drive the second extraction cylinder 134 to rotate; the power output end of the third output component 123 is transmission-connected with the third extraction cylinder 135 to drive the third extraction cylinder 135 to rotate. In this embodiment, the power mechanism 120 drives the first extraction cylinder 133, the second extraction cylinder 134 and the third extraction cylinder 135 to rotate respectively, so as to save manpower, solve the problem of manually rotating the extraction cylinder, and improve the extraction efficiency of the multi-stage extraction phase separation device 100.

[0044] like Figures 1 to 5 As shown, in one embodiment, the third output assembly 123 includes a third output shaft 1231 and a third conveyor belt 1232. The third output shaft 1231 is provided with a third conveyor wheel 1231a. The third conveyor wheel 1231a is transmission-connected to the third conveyor belt 1232. The sleeve of the third extraction cylinder 135 is a first sleeve 1351. The first sleeve 1351 is penetrated through the mounting through hole 114 and is rotationally connected to the phase separation cylinder 110. The side of the third conveyor belt 1232 away from the third conveyor wheel 1231a is transmission-connected to the first sleeve 1351 to drive the third extraction cylinder 135 to rotate relative to the phase separation cylinder 110. In this embodiment, the power mechanism 120 drives the third output shaft 1231 to rotate, the third transmission wheel 1231a rotates along with the third output shaft 1231, the third transmission wheel 1231a drives the first sleeve 1351 to rotate through the third transmission belt 1232, and the third extraction cylinder 135 rotates along with the first sleeve 1351, so that the transmission between the third output assembly 123 and the third extraction cylinder 135 is relatively smooth, thereby improving the transmission stability between the power mechanism 120 and the multi-stage extraction mechanism 130.

[0045] like Figures 1 to 5 As shown, in one embodiment, the second output component 122 includes a second output shaft 1221 and a second conveyor belt 1222, the second output shaft 1221 is provided with a second conveyor wheel 1221a, the second conveyor wheel 1221a is transmission-connected with the second conveyor belt 1222, the sleeve of the second extraction cylinder 134 is a second sleeve 1341, the first sleeve 1351 is provided with a first connecting through hole 1351a, the second sleeve 1341 is penetrated by the first connecting through hole 1351a and is rotationally connected with the first sleeve 1351, and the second conveyor belt 1222 is transmission-connected with the second sleeve 1341 on the side away from the second conveyor wheel 1221a, so as to drive the second extraction cylinder 134 to rotate relative to the phase separation cylinder 110. In this embodiment, the power mechanism 120 drives the second output shaft 1221 to rotate, the second transmission wheel 1221a rotates along with the second output shaft 1221, the second transmission wheel 1221a drives the second sleeve 1341 to rotate through the second transmission belt 1222, and the second extraction cylinder 134 rotates along with the second sleeve 1341, so that the transmission between the second output assembly 122 and the second extraction cylinder 134 is relatively smooth, thereby improving the transmission stability between the power mechanism 120 and the multi-stage extraction mechanism 130.

[0046] like Figures 1 to 5 As shown, in one embodiment, the first output component 121 includes a first output shaft 1211 and a first conveyor belt 1212, the first output shaft 1211 is provided with a first conveyor wheel 1211a, the first conveyor wheel 1211a is transmission-connected to the first conveyor belt 1212, the first hollow sleeve 131 is connected to one end of the first extraction cylinder 133, the second hollow sleeve 132 is connected to the other end of the extraction cylinder, the second sleeve 1341 is provided with a second connecting through hole 1341a, the first hollow sleeve 131 is penetrated through the second connecting through hole 1341a and is rotationally connected to the second sleeve 1341, and the first conveyor belt 1212 is transmission-connected to the first hollow sleeve 131 on the side away from the first conveyor wheel 1211a, so as to drive the first extraction cylinder 133 to rotate relative to the phase separation cylinder 110. In this embodiment, the first hollow sleeve 131 is the sleeve at one end of the first extraction cylinder 133, and the second hollow sleeve 132 is the sleeve at the other end of the first extraction cylinder 133; the power mechanism 120 drives the first output shaft 1211 to rotate, and the first transmission wheel 1211a rotates with the first output shaft 1211, and the first transmission wheel 1211a drives the first hollow sleeve 131 to rotate through the first conveyor belt 1212, and the first extraction cylinder 133 rotates with the first hollow sleeve 131, so that the transmission between the first output component 121 and the first extraction cylinder 133 is relatively smooth, thereby improving the transmission stability between the power mechanism 120 and the multi-stage extraction mechanism 130.

[0047] like Figures 4 to 5As shown, in one of the embodiments, the number of the first sleeve 1351, the second sleeve 1341 and the mounting through hole 114 are all two, the two first sleeves 1351 are respectively located at the two ends of the third extraction cylinder 135, the two second sleeves 1341 are respectively located at the two ends of the second extraction cylinder 134, the two mounting through holes 114 are respectively opened at the two ends of the phase separation cylinder 110, the two first sleeves 1351, the two second sleeves 1341 and the two mounting through holes 114 are arranged in a one-to-one correspondence, the first hollow sleeve 131 is penetrated through the second connecting through hole 1341a of one of the second sleeves 1341 and is rotatably connected to the second sleeve 1341, and the second hollow sleeve 132 is penetrated through the second connecting through hole 1341a of the other second sleeve 1341 and is rotatably connected to the second sleeve 1341. In this embodiment, first sleeves 1351 are respectively provided at both ends of the third extraction cylinder 135 to facilitate the rotation of the third extraction cylinder 135 and enhance the rotation convenience of the third extraction cylinder 135; similarly, second sleeves 1341 are respectively provided at both ends of the second extraction cylinder 134 to facilitate the rotation of the second extraction cylinder 134 and enhance the rotation convenience of the second extraction cylinder 134.

[0048] like Figures 4 to 7 As shown, in one embodiment, the first extraction cylinder 133 is provided with a first extraction mixing chamber 1331 and a first liquid outlet hole 1332 which are connected to each other, the first hollow sleeve 131 and the second hollow sleeve 132 are both connected to the first extraction mixing chamber 1331, and the outer peripheral wall of the first extraction cylinder 133 is provided with a first stirring body 1333 and a first baffle assembly 1334, the first stirring body 1333 is arranged obliquely from top to bottom along the circumferential direction of the outer peripheral wall, and the first baffle assembly 1334 is arranged at intervals from the first stirring body 1333. In this embodiment, the first stirring body 1333 is arranged obliquely from top to bottom along the circumferential direction of the outer peripheral wall, and the first stirring body 1333 is used to stir the mixed liquid in the second extraction mixing chamber 1342 from the lower end to the upper end, and is also used to stir the mixed liquid in the second extraction mixing chamber 1342 from the upper end to the lower end, so that the mixed liquid is fully mixed, thereby improving the extraction efficiency of the multi-stage extraction phase separation device 100.

[0049] Furthermore, the first baffle assembly 1334 is used to slow down the flow rate of the mixed liquid so that the mixed liquid flows out from the upper end and the lower end of the first baffle assembly 1334 respectively, prolonging the extraction time of the mixed liquid in the second extraction mixing chamber 1342, so that the mixed liquid is extracted more fully.

[0050] like Figures 4 to 7As shown, in one embodiment, the second extraction cylinder 134 is provided with a second extraction mixing chamber 1342, a second upper end liquid outlet hole 1343 and a second lower end liquid outlet hole 1344, the second extraction mixing chamber 1342 is respectively connected with the second upper end liquid outlet hole 1343 and the second lower end liquid outlet hole 1344, the second connecting hole 1341a of each second shaft sleeve 1341 is connected with the second extraction mixing chamber 1342, the first extraction cylinder 133 is located in the second extraction mixing chamber 1342 and connected with the second extraction cylinder 13 The second extraction mixing chamber 1342 is nested, the second extraction mixing chamber 1342 is connected to the first liquid outlet hole 1332, the outer peripheral wall of the second extraction cylinder 134 is provided with a second stirring body 1345, a second upper baffle assembly 1346 and a second lower baffle assembly 1347, the second stirring body 1345 is inclinedly arranged from top to bottom along the circumferential direction of the outer peripheral wall, the second upper baffle assembly 1346 and the second lower baffle assembly 1347 are arranged opposite to each other, and the second upper baffle assembly 1346 and the second lower baffle assembly 1347 are both arranged at intervals from the second stirring body 1345. In this embodiment, the second stirring body 1345 is inclinedly arranged from top to bottom along the circumferential direction of the outer peripheral wall, and the second stirring body 1345 is used to stir the mixed liquid in the third extraction mixing chamber 1352 from the lower end to the upper end, and is also used to stir the mixed liquid in the third extraction mixing chamber 1352 from the upper end to the lower end, so that the mixed liquid is fully mixed, thereby improving the extraction efficiency of the multi-stage extraction phase separation device 100.

[0051] Furthermore, the second upper baffle assembly 1346 is used to slow down the flow rate of the mixed liquid, so that the mixed liquid flows out from the upper end and the lower end of the second upper baffle assembly 1346, respectively, prolonging the extraction time of the mixed liquid in the third extraction mixing chamber 1352, so that the mixed liquid is extracted more fully. Similarly, the second lower baffle assembly 1347 is used to slow down the flow rate of the mixed liquid, so that the mixed liquid flows out from the upper end and the lower end of the second lower baffle assembly 1347, respectively, prolonging the extraction time of the mixed liquid in the third extraction mixing chamber 1352, so that the mixed liquid is extracted more fully.

[0052] like Figures 4 to 7As shown, in one embodiment, the third extraction cylinder 135 is provided with a third extraction mixing chamber 1352 and a third liquid outlet hole 1353 which are interconnected, the first connection hole 1351a of each first sleeve 1351 is connected to the third extraction mixing chamber 1352, the second extraction cylinder 134 is located in the third extraction mixing chamber 1352 and is nested with the third extraction cylinder 135, the third extraction mixing chamber 1352 is respectively connected to the second upper liquid outlet hole 1343 and the second lower liquid outlet hole 1344, the inner circumferential wall of the third extraction cylinder 135 is provided with a third stirring body 1354, the third stirring body 1354 is inclined from top to bottom along the circumferential direction of the inner circumferential wall, and the third stirring body 1354 is arranged adjacent to the second stirring body 1345; the third extraction cylinder 135 is located in the phase separation chamber 111 and is nested with the phase separation cylinder 110, and the third liquid outlet hole 1353 is connected to the phase separation chamber 111. In this embodiment, the third stirring body 1354 is inclined from top to bottom along the circumferential direction of the inner wall. The third stirring body 1354 is used to stir the mixed liquid in the third extraction mixing chamber 1352 from the lower end to the upper end, and is also used to stir the mixed liquid in the third extraction mixing chamber 1352 from the upper end to the lower end, so that the mixed liquid is fully mixed, thereby improving the extraction efficiency of the multi-stage extraction phase separation device 100.

[0053] like Figure 8 As shown, the present disclosure also provides a stacked extraction device 10, including an equipment body 200 and at least two multi-stage extraction phase separation devices 100 described in any of the above embodiments, each multi-stage extraction phase separation device 100 is connected to the equipment body 200, and two adjacent multi-stage extraction phase separation devices 100 are stacked and spaced apart, and two adjacent multi-stage extraction phase separation devices 100 are connected.

[0054] Compared with the prior art, the present invention has at least the following advantages:

[0055] 1. Since the first hollow shaft sleeve 131 and the second hollow shaft sleeve 132 are both connected to the extraction mixing chamber of the innermost extraction cylinder, the liquid to be extracted can be introduced through the first hollow channel 1311 of the first hollow shaft sleeve 131, and the extractant can be introduced through the second hollow channel 1321 of the second hollow shaft sleeve 132, so that the liquid to be extracted and the extractant are extracted and mixed in the extraction mixing chamber of the innermost extraction cylinder to form a mixed liquid; the extraction mixing chambers of two adjacent extraction cylinders are connected through corresponding liquid outlet holes, so that the mixed liquid in the extraction mixing chamber of the innermost extraction cylinder flows into the extraction mixing chamber along the corresponding liquid outlet holes. In the extraction mixing chamber of the outer extraction cylinder, the mixed liquid can be extracted and mixed again in the process of passing through the extraction mixing chamber of each extraction cylinder, so as to complete the multi-stage extraction of the mixed liquid, and the extraction mixing chamber of the outermost extraction cylinder is connected with the phase separation chamber 111 through the corresponding liquid outlet through hole, so that the mixed liquid in the extraction mixing chamber of the outermost extraction cylinder flows into the phase separation chamber 111 along the corresponding liquid outlet through hole, and the mixed liquid is separated into a light phase layer and a heavy phase layer when it is left to stand in the phase separation chamber 111, and the light phase outlet pipe 112 is used to lead out the light phase layer, and the heavy phase outlet pipe 113 is used to lead out the heavy phase layer, so as to complete the phase separation treatment of the mixed liquid;

[0056] 2. The multi-stage extraction mechanism 130 is located in the phase separation chamber 111 and is nested with the phase separation cylinder 110, so that the phase separation cylinder 110 is nested and covered by the multi-stage extraction mechanism 130. The multi-stage extraction mechanism 130 includes a plurality of extraction cylinders that are nested in sequence and relatively rotated, so that the plurality of extraction cylinders are located in the phase separation chamber 111, and the plurality of extraction cylinders and the phase separation cylinder 110 are nested in sequence, thereby avoiding the problem of the prior art that a plurality of extraction tanks are arranged in parallel and spaced, and a plurality of phase separation tanks are arranged in parallel and spaced, so that the multi-stage extraction phase separation device 100 is shorter and smaller, and thus the overall structure of the multi-stage extraction phase separation device 100 is more compact; therefore, when the multi-stage extraction phase separation device 100 is placed, the multi-stage extraction phase separation device 100 requires a smaller floor space, which is beneficial to saving the use area of ​​the factory site, so that the area utilization rate of the factory site is higher.

[0057] The above-mentioned embodiments only express several implementation methods of the present disclosure, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the disclosed patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present disclosure, and these all belong to the protection scope of the present disclosure. Therefore, the protection scope of the disclosed patent shall be subject to the attached claims.

Claims

1. A multi-stage extraction phase separation device, It is characterized in that include: A phase separation cylinder (110) is provided with a phase separation cavity (111), and the phase separation cylinder (110) is provided with a light phase outlet pipe (112) and a heavy phase outlet pipe (113), and the light phase outlet pipe (112) and the heavy phase outlet pipe (113) are both in communication with the phase separation cavity (111); A power mechanism (120) is located outside the phase separation chamber (111), the power mechanism (120) is provided with a plurality of output components, and the power output ends of the plurality of output components are arranged at intervals; and The multi-stage extraction mechanism (130) is located in the phase separation chamber (111) and is nested with the phase separation cylinder (110). The multi-stage extraction mechanism (130) is rotatably connected to the phase separation cylinder (110). The multi-stage extraction mechanism (130) comprises a first hollow shaft sleeve (131), a second hollow shaft sleeve (132), and a plurality of extraction cylinders which are nested in sequence and relatively rotatably arranged. The innermost extraction cylinder is respectively connected to the first hollow shaft sleeve (131) and the second hollow shaft sleeve (132). The power output end of each output assembly is connected to the corresponding The extraction cylinders are connected to drive the corresponding extraction cylinders to rotate, and the plurality of output assemblies are arranged in a one-to-one correspondence with the plurality of extraction cylinders. Each of the extraction cylinders is provided with a connected extraction mixing chamber and a liquid outlet through hole. The extraction mixing chambers of two adjacent extraction cylinders are connected through the corresponding liquid outlet through holes. The extraction mixing chamber of the outermost extraction cylinder is connected to the phase separation chamber (111) through the corresponding liquid outlet through hole. The first hollow shaft sleeve (131) and the second hollow shaft sleeve (132) are both connected to the extraction mixing chamber of the innermost extraction cylinder.

2. The multi-stage extraction phase separation device according to claim 1, It is characterized in that The phase separation cylinder (110) is further provided with a mounting through hole (114), and the mounting through hole (114) is communicated with the phase separation chamber (111); shaft sleeves are provided at both ends of each extraction cylinder, the shaft sleeve of the outermost extraction cylinder is passed through the mounting through hole (114) and is rotatably connected to the phase separation cylinder (110), and the shaft sleeve of the outermost extraction cylinder of two adjacent extraction cylinders is sleeved on the shaft sleeve of the innermost extraction cylinder, so that the two adjacent extraction cylinders are relatively rotatably connected.

3. The multi-stage extraction phase separation device according to claim 2, It is characterized in that The number of the output components and the extraction cylinders are both three, the three output components are respectively a first output component (121), a second output component (122) and a third output component (123), the three extraction cylinders are respectively a first extraction cylinder (133), a second extraction cylinder (134) and a third extraction cylinder (135), the power output end of the first output component (121) is transmission-connected with the first extraction cylinder (133) to drive the first extraction cylinder (133) to rotate; the power output end of the second output component (122) is transmission-connected with the second extraction cylinder (134) to drive the second extraction cylinder (134) to rotate; the power output end of the third output component (123) is transmission-connected with the third extraction cylinder (135) to drive the third extraction cylinder (135) to rotate.

4. The multi-stage extraction phase separation device according to claim 3, It is characterized in that The third output assembly (123) comprises a third output shaft (1231) and a third conveyor belt (1232). The third output shaft (1231) is provided with a third conveyor wheel (1231a). The third conveyor wheel (1231a) is connected to the third conveyor belt (1232) in a transmission manner. The shaft sleeve of the third extraction cylinder (135) is a first shaft sleeve (1351). The first shaft sleeve (1351) is inserted into the mounting through hole (114) and is connected to the phase separation cylinder (110) in a rotational manner. The side of the third conveyor belt (1232) away from the third conveyor wheel (1231a) is connected to the first shaft sleeve (1351) in a transmission manner so as to drive the third extraction cylinder (135) to rotate relative to the phase separation cylinder (110). The second output assembly (122) comprises a second An output shaft (1221) and a second conveyor belt (1222), the second output shaft (1221) is provided with a second conveyor wheel (1221a), the second conveyor wheel (1221a) is transmission-connected with the second conveyor belt (1222), the sleeve of the second extraction cylinder (134) is a second sleeve (1341), the first sleeve (1351) is provided with a first connecting through hole (1351a), the second sleeve (1341) is passed through the first connecting through hole (1351a) and is rotationally connected with the first sleeve (1351), and the side of the second conveyor belt (1222 facing away from the second conveyor wheel (1221a) is transmission-connected with the second sleeve (1341) to drive the second extraction cylinder (134) to rotate relative to the phase separation cylinder (110).

5. The multi-stage extraction phase separation device according to claim 4, It is characterized in that The first output assembly (121) comprises a first output shaft (1211) and a first conveyor belt (1212). The first output shaft (1211) is provided with a first conveyor wheel (1211a). The first conveyor wheel (1211a) is connected to the first conveyor belt (1212) in a transmission manner. The first hollow shaft sleeve (131) is connected to one end of the first extraction cylinder (133). The second hollow shaft sleeve (132) is connected to the other end of the extraction cylinder. The second shaft sleeve (1341) is provided with a second connecting through hole (1341a). The first hollow shaft sleeve (131) is inserted into the second connecting through hole (1341a) and is connected to the second shaft sleeve (1341) in a rotational manner. The first conveyor belt (1212) is connected to the first hollow shaft sleeve (131) in a transmission manner on a side away from the first conveyor wheel (1211a) so as to drive the first extraction cylinder (133) to rotate relative to the phase separation cylinder (110).

6. The multi-stage extraction phase separation device according to claim 5, It is characterized in that The number of the first shaft sleeve (1351), the second shaft sleeve (1341) and the mounting through holes (114) are all two. The two first shaft sleeves (1351) are respectively located at the two ends of the third extraction cylinder (135). The two second shaft sleeves (1341) are respectively located at the two ends of the second extraction cylinder (134). The two mounting through holes (114) are respectively opened at the two ends of the phase separation cylinder (110). The two first shaft sleeves (1351), the two second shaft sleeves (1341) and the two mounting through holes (114) are arranged in a one-to-one correspondence. The first hollow shaft sleeve (131) is inserted into the second connecting through hole (1341a) of one of the second shaft sleeves (1341) and is rotatably connected to the second shaft sleeve (1341). The second hollow shaft sleeve (132) is inserted into the second connecting through hole (1341a) of the other second shaft sleeve (1341) and is rotatably connected to the second shaft sleeve (1341).

7. The multi-stage extraction phase separation device according to claim 6, It is characterized in that The first extraction cylinder (133) is provided with a first extraction mixing chamber (1331) and a first liquid outlet hole (1332) which are connected to each other. The first hollow shaft sleeve (131) and the second hollow shaft sleeve (132) are both connected to the first extraction mixing chamber (1331). The outer peripheral wall of the first extraction cylinder (133) is provided with a first stirring body (1333) and a first baffle assembly (1334). The first stirring body (1333) is inclined from top to bottom along the circumferential direction of the outer peripheral wall, and the first baffle assembly (1334) is spaced apart from the first stirring body (1333).

8. The multi-stage extraction phase separation device according to claim 7, It is characterized in that The second extraction cylinder (134) is provided with a second extraction mixing chamber (1342), a second upper liquid outlet hole (1343) and a second lower liquid outlet hole (1344); the second extraction mixing chamber (1342) is connected to the second upper liquid outlet hole (1343) and the second lower liquid outlet hole (1344) respectively; the second connecting hole (1341a) of each second shaft sleeve (1341) is connected to the second extraction mixing chamber (1342); the first extraction cylinder (133) is located in the second extraction mixing chamber (1342) and is nested with the second extraction cylinder (134). The second extraction mixing chamber (1342) is connected to the first liquid outlet hole (1332), and the outer peripheral wall of the second extraction cylinder (134) is provided with a second stirring body (1345), a second upper baffle assembly (1346) and a second lower baffle assembly (1347). The second stirring body (1345) is inclined from top to bottom along the circumferential direction of the outer peripheral wall, and the second upper baffle assembly (1346) and the second lower baffle assembly (1347) are arranged opposite to each other, and the second upper baffle assembly (1346) and the second lower baffle assembly (1347) are both spaced apart from the second stirring body (1345).

9. The multi-stage extraction phase separation device according to claim 8, It is characterized in that The third extraction cylinder (135) is provided with a third extraction mixing chamber (1352) and a third liquid outlet hole (1353) which are connected to each other. The first connecting hole (1351a) of each first shaft sleeve (1351) is connected to the third extraction mixing chamber (1352). The second extraction cylinder (134) is located in the third extraction mixing chamber (1352) and is nested with the third extraction cylinder (135). The third extraction mixing chamber (1352) is connected to the second upper liquid outlet hole (1343) and the third liquid outlet hole (1343) respectively. The third extraction cylinder (135) is connected to the second lower end liquid outlet hole (1344); the inner circumferential wall of the third extraction cylinder (135) is provided with a third stirring body (1354); the third stirring body (1354) is inclined from top to bottom along the circumferential direction of the inner circumferential wall; the third stirring body (1354) is arranged adjacent to the second stirring body (1345); the third extraction cylinder (135) is located in the phase separation cavity (111) and is nested with the phase separation cylinder (110); the third liquid outlet hole (1353) is connected to the phase separation cavity (111).

10. A cascade extraction device, It is characterized in that The invention comprises an equipment body (200) and at least two multistage extraction phase separation devices (100) according to any one of claims 1 to 9, each of the multistage extraction phase separation devices (100) is connected to the equipment body (200), two adjacent multistage extraction phase separation devices (100) are stacked and spaced apart, and two adjacent multistage extraction phase separation devices (100) are connected.

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