Feeding mechanism of centrifugal extractor

Abstract

The utility model discloses a feeding mechanism of a centrifugal extractor, which comprises a main body mechanism and a circulating mechanism, the main body mechanism comprises a barrel body, a partition plate fixed in an inner cavity of the barrel body, a guide plate fixed on the inner wall of the barrel body, a stirring piece mounted at the top end of the partition plate and penetrating through the partition plate to extend out, and a feeding pipe mounted on the outer side of the barrel body and communicated with a cavity between the partition plate and the guide plate; one end of the annular filter screen is fixed to the bottom end of the flow guide plate, the other end of the annular filter screen is fixed to the inner bottom wall of the barrel, the temperature sensor is installed on one side of the barrel and stretches into a cavity between the partition plate and the flow guide plate, the barrel is used for installing other assemblies, and a cavity between an inner cavity of the barrel and the partition plate and the flow guide plate is arranged to be a stirring cavity used for stirring mixed liquid. A cavity between the guide plate and the inner bottom wall of the barrel is set as a filtering cavity for filtering the mixed liquid, and the feeding mechanism of the centrifugal extractor has the advantages of being good in mixing effect and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical fields, concretely is a centrifugal extraction machine feeding mechanism. BACKGROUND

[0002] Centrifugal extraction machine is a kind of equipment using centrifugal force to realize liquid-liquid extraction and separation, its working principle mainly includes two processes: mixing mass transfer and centrifugal separation, in mixing mass transfer process, two kinds of density different and mutually insoluble liquid are introduced into centrifugal extraction machine, under the high-speed rotation of drum or paddle, two kinds of liquid are sheared and dispersed into small droplets, to realize sufficient mixing, in mixing process, solute is transferred from one liquid to another liquid, complete mass transfer process, subsequently, mixed liquid realizes separation rapidly under the centrifugal force generated by the high-speed rotation of drum, due to density difference, heavy phase liquid with specific gravity gradually far away from drum center and close to drum wall, and light phase liquid with specific gravity small far away from drum wall and close to center, finally, two-phase liquid after clarification respectively through respective weir plate enters collection chamber, and is guided to outside machine by guide pipe, complete separation process.

[0003] Before using centrifugal extraction machine to carry out extraction, material must be mixed, and the existing centrifugal extraction machine mixing feeding device mainly has the following disadvantages in the process of using: there are impurities, and the mixing effect is poor, and the mixing is greatly influenced by temperature, when temperature is low, extractant solubility is poor, and the subsequent extraction effect is influenced, therefore, there is room for improvement. UTILITY MODEL CONTENT

[0004] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0005] Therefore, the utility model adopts the technical scheme, a centrifugal extraction machine feeding mechanism, comprising: main body mechanism and circulating mechanism, the main body mechanism includes cylinder, the baffle fixed in the inner chamber of cylinder, the flow guide plate fixed on the inner wall of cylinder, the stirring piece installed at the top of baffle and extending through baffle, the feeding pipe installed at the outside of cylinder and being communicated between the cavity of baffle and flow guide plate, the annular filter screen with one end being fixed with the bottom end of flow guide plate and the other end being fixed with the inner bottom wall of cylinder and the temperature sensor installed at one side of cylinder and extending into the cavity between baffle and flow guide plate.

[0006] The cavity between baffle and flow guide plate is set as stirring chamber, and the cavity between flow guide plate and inner bottom wall of cylinder is set as filter chamber.

[0007] The circulating mechanism includes the heat preservation shell installed at one side of cylinder, the pump installed on the inner top wall of cylinder, the feeding pipe installed at one side of cylinder, the backflow piece fixed on the inner wall of cylinder and extending into stirring chamber through baffle, the three-way control valve arranged between pump and backflow piece and the electric heating pipe installed in the inner chamber of heat preservation shell.

[0008] The bottom end of the heat preservation shell is communicated with the filtering cavity through a first connecting pipe, the top end is communicated with the inlet of the pump through a second connecting pipe, one end of the three-way control valve is communicated with the outlet of the pump, one end is communicated with the feeding pipe, and the last end is communicated with the reflux member.

[0009] In a preferred example, the stirring member further comprises a first motor fixed at the top end of the partition plate and a shaft extending into the stirring cavity, and a plurality of stirring blades arranged in a ring array and fixed on the shaft of the first motor.

[0010] In a preferred example, the feeding pipe further comprises a liquid inlet pipe installed on one side of the cylinder and communicated with the stirring cavity, and an electric valve installed on the liquid inlet pipe.

[0011] In a preferred example, the reflux member further comprises a hollow shell fixed on the inner wall of the cylinder, and a reflux pipe arranged in a ring array at the bottom end of the shell and communicated with the inner cavity of the hollow shell and the stirring cavity.

[0012] In a preferred example, the three-way control valve further comprises a three-way shell arranged between the pump and the hollow shell, a three-way valve core rotatably arranged in the inner cavity of the three-way shell, and a second motor installed on one side of the three-way shell and having a shaft fixedly connected with the three-way valve core.

[0013] In a preferred example, the bottom end of the cylinder is provided with a blowdown hole communicated with the inner cavity of the annular filter screen, and a sealing plug is threadedly connected and installed in the blowdown hole.

[0014] In a preferred example, the middle part of the flow guide plate is provided with a flow guide hole with a tapered cross section, and the flow guide hole is communicated with the stirring cavity and the inner side of the annular filter screen.

[0015] By adopting the above technical scheme, the utility model has the beneficial effects of:

[0016] 1. The utility model discloses a fixed baffle and deflector in the inner chamber of the cylinder, the cavity between the baffle and the deflector is used as a stirring chamber, a feed pipe is arranged in communication with the stirring chamber, and a stirring element is installed at the top end of the baffle and extends into the stirring chamber, an annular filter screen is installed at the bottom end of the deflector, a pump is fixed at the top end of the cylinder, a heat preservation shell is arranged on one side of the cylinder, the bottom end of the heat preservation shell is in communication with the inner chamber of the cylinder, the other end is in communication with the pump, a reflux element is arranged in the inner chamber of the cylinder and in communication with the stirring chamber, a three-way control valve is arranged between the pump and the reflux element, when in use, the mixed liquid is sent into the stirring chamber through the feed pipe, the stirring element is started to stir the mixed liquid, the mixed liquid falls into the inner chamber of the annular filter screen through the deflector, after the impurities are removed through the annular filter screen, the pump is started to send the filtered mixed liquid back into the stirring chamber through the three-way control valve and the reflux element again to form a cycle, which can ensure the uniformity of the mixed liquid and filter the mixed liquid during the cycle to remove the impurities in the mixed liquid.

[0017] 2. The utility model discloses that the temperature sensor is installed on one side of the cylinder and extends into the stirring chamber, and an electric heating tube is arranged in the inner chamber of the heat preservation shell, when the mixed liquid passes through the heat preservation shell, the electric heating tube can heat the mixed liquid to improve the temperature of the mixed liquid, thereby improving the solubility of the extraction liquid and further increasing the mixing effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structure schematic drawing of the utility model;

[0019] Figure 2 It is the structure schematic drawing of the utility model from the bottom;

[0020] Figure 3 It is the section view schematic drawing of the utility model;

[0021] Figure 4 It is the section structure schematic drawing of the utility model;

[0022] Figure 5 It is the three -way control valve section structure schematic drawing of the utility model;

[0023] Figure 6 It is the structure of three -way valve core and section view schematic drawing of the utility model.

[0024] Reference signs:

[0025] 100, main body mechanism; 110, cylinder; 111, sealing plug; 120, baffle; 130, deflector; 131, flow guide hole; 140, stirring element; 141, first motor; 142, stirring blade; 150, feed pipe; 151, liquid inlet pipe; 152, electric valve; 160, annular filter screen; 170, temperature sensor;

[0026] 200, circulating mechanism; 210, heat preservation shell; 211, first connecting pipe; 212, second connecting pipe; 220, pump; 230, feeding pipe; 240, backflow part; 241, empty shell; 242, backflow pipe; 250, three-way control valve; 251, three-way shell; 252, three-way valve core; 253, second motor; 260, electric heating pipe. DETAILED DESCRIPTION

[0027] To make the purpose, technical scheme and advantages of the present application more clear, specific embodiments will be further described below in combination with the drawings. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0028] Some embodiments of the present application will be described below in combination with the drawings,

[0029] Embodiment 1

[0030] In combination with Figures 1-6 the drawings, the present embodiment provides a centrifugal extractor feeding mechanism, which comprises a main body mechanism 100 and a circulating mechanism 200.

[0031] The main body mechanism 100 comprises a cylinder 110, a partition plate 120 fixed in the inner cavity of the cylinder 110, a flow guide plate 130 fixed on the inner wall of the cylinder 110, a stirring part 140 installed at the top end of the partition plate 120 and extending through the partition plate 120, a feeding pipe 150 installed on the outer side of the cylinder 110 and communicating the cavities between the partition plate 120 and the flow guide plate 130, an annular filter screen 160 with one end fixed to the bottom end of the flow guide plate 130 and the other end fixed to the inner bottom wall of the cylinder 110, and a temperature sensor 170 installed on one side of the cylinder 110 and extending into the cavity between the partition plate 120 and the flow guide plate 130.

[0032] The cylinder 110 is used for installing other components. In the inner cavity of the cylinder 110, the cavity between the partition plate 120 and the flow guide plate 130 is set as a stirring cavity for stirring the mixed liquid, and the cavity between the flow guide plate 130 and the inner bottom wall of the cylinder 110 is set as a filtering cavity for filtering the mixed liquid.

[0033] The stirring part 140 comprises a first motor 141 fixed at the top end of the partition plate 120 and having a shaft extending into the stirring cavity, and a plurality of stirring blades 142 fixed in an annular array on the shaft of the first motor 141. When the first motor 141 is started, the stirring blades 142 are driven to rotate, which can efficiently stir the mixed liquid and make the mixed liquid mix uniformly.

[0034] The feeding pipe 150 is used for feeding the mixed solution into the stirring cavity, which comprises a liquid inlet pipe 151 installed on one side of the barrel 110 and communicated with the stirring cavity, and an electric valve 152 installed on the liquid inlet pipe 151, the liquid inlet pipe 151 is used for facilitating the introduction of the mixed solution, and the electric valve 152 is used for controlling the opening and closing of the liquid inlet pipe 151.

[0035] The top end of the annular filter screen 160 is fixed with the flow guide plate 130, and the bottom end is fixed with the inner bottom wall of the barrel 110. The flow guide plate 130 is provided with a flow guide hole 131 with a tapered cross section in the middle part. The flow guide hole 131 is communicated with the stirring cavity and the inside of the annular filter screen 160, which can guide the mixed solution in the stirring cavity into the inside of the annular filter screen 160, facilitating the filtering of the annular filter screen 160.

[0036] In addition, the bottom end of the barrel 110 is provided with a sewage hole communicated with the inner cavity of the annular filter screen 160. A sealing plug 111 is threadedly connected and installed in the sewage hole. When the impurities in the inside of the annular filter screen 160 are relatively large, the sealing plug 111 is unscrewed, and the impurities in the inside of the annular filter screen 160 can be discharged through the sewage hole.

[0037] The temperature sensor 170 is used for real-time monitoring of the temperature of the mixed solution.

[0038] The circulating mechanism 200 is installed on the barrel 110 and is used for driving the mixed solution to circulate, which comprises a heat preservation shell 210 installed on one side of the barrel 110, a pump 220 installed on the inner top wall of the barrel 110, a feeding pipe 230 installed on one side of the barrel 110, a reflux member 240 fixed on the inner wall of the barrel 110 and extending into the stirring cavity through the partition plate 120, a three-way control valve 250 arranged between the pump 220 and the reflux member 240, and an electric heating tube 260 installed in the inner cavity of the heat preservation shell 210.

[0039] The heat preservation shell 210 is fixed on the outer side of the barrel 110 through a support. The bottom end of the heat preservation shell 210 is communicated with the filtering cavity through a first connecting pipe 211, and the top end is communicated with the inlet of the pump 220 through a second connecting pipe 212, which facilitates the pump 220 to extract the filtered mixed solution in the filtering cavity through the heat preservation shell 210.

[0040] The electric heating tube 260 is arranged in the inner cavity of the heat preservation shell 210, which can heat the mixed solution, improve the temperature of the mixed solution, and further improve the solubility of the extracted solution.

[0041] The reflux pipe 242 is used for feeding the filtered and heated mixed solution back into the stirring cavity, which comprises a shell 241 fixed on the inner wall of the barrel 110, and a reflux pipe 242 arranged in an annular array at the bottom end of the shell and communicated with the inner cavity of the shell 241 and the stirring cavity.

[0042] The three-way control valve 250 comprises a three-way shell 251 arranged between the pump machine 220 and the empty shell 241, a three-way valve core 252 rotatably arranged in the cavity of the three-way shell 251, and a second motor 253 fixedly connected with the three-way valve core 252 and arranged on one side of the three-way shell 251, one end of the three-way shell 251 is communicated with the outlet of the pump machine 220, one end is communicated with the feeding pipe 230, and the last end is communicated with the backflow device 240, so that the flow direction of the mixed liquid pumped out by the pump machine 220 can be controlled, and the second motor 253 drives the three-way valve core 252 to rotate, and the rotation of the three-way valve core 252 controls the change of the flow direction of the mixed liquid.

[0043] The working principle and use process of the utility model: when using, the mixed liquid enters into the stirring cavity through the liquid inlet pipe 151, the first motor 141 starts, drives the stirring blade 142 to rotate, stirs the mixed liquid, and part of the mixed liquid falls into the inner cavity of the annular filter screen 160 through the flow guide hole 131, is filtered after the annular filter screen 160, the pump machine 220 starts, draws out the filtered mixed liquid through the first connecting pipe 211, the heat preservation shell 210 and the second connecting pipe 212, at this time, the second motor 253 starts, drives the three-way valve core 252 to rotate, communicates the outlet of the pump machine 220 with the inlet of the empty shell 241, then the pump machine 220 pumps the filtered mixed liquid into the empty shell 241, the mixed liquid enters the empty shell 241, returns to the stirring cavity through the backflow pipe 242 and is stirred again, forms a cycle, in addition, in the stirring process, the temperature sensor 170 monitors the temperature of the mixed liquid in real time, when the temperature of the mixed liquid is lower than the set value, the electric heating tube 260 starts, the electric heating tube 260 starts, heats the mixed liquid in the heat preservation shell 210, makes the mixed liquid keep at the appropriate temperature, further guarantees the solubility of the extracted liquid, when the centrifugal extractor needs to feed, the second motor 253 starts, communicates the outlet of the pump machine 220 with the feeding pipe 230, at this time, the pump machine 220 can send the mixed liquid into the centrifugal extractor through the feeding pipe 230.

[0044] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A centrifugal extractor feed mechanism comprising: The main body mechanism (100) and the circulation mechanism (200) are characterized in that the main body mechanism (100) comprises a barrel (110), a partition plate (120) fixed in the inner cavity of the barrel (110), a flow guide plate (130) fixed on the inner wall of the barrel (110), a stirring piece (140) installed at the top end of the partition plate (120) and extending through the partition plate (120), a feeding pipe (150) installed on the outer side of the barrel (110) and communicating with the cavity between the partition plate (120) and the flow guide plate (130), an annular filter screen (160) with one end fixed to the bottom end of the flow guide plate (130) and the other end fixed to the inner bottom wall of the barrel (110), and a temperature sensor (170) installed on one side of the barrel (110) and extending into the cavity between the partition plate (120) and the flow guide plate (130). The cavity between the partition plate (120) and the flow guide plate (130) is set as a stirring cavity, and the cavity between the flow guide plate (130) and the inner bottom wall of the barrel (110) is set as a filtering cavity. The circulation mechanism (200) comprises a heat preservation shell (210) installed on one side of the barrel (110), a pump (220) installed on the inner top wall of the barrel (110), a feeding pipe (230) installed on one side of the barrel (110), a reflux piece (240) fixed on the inner wall of the barrel (110) and extending into the stirring cavity through the partition plate (120), a three-way control valve (250) arranged between the pump (220) and the reflux piece (240), and an electric heating pipe (260) installed in the inner cavity of the heat preservation shell (210). The bottom end of the heat preservation shell (210) is communicated with the filtering cavity through a first connecting pipe (211), and the top end is communicated with the inlet of the pump (220) through a second connecting pipe (212). One end of the three-way control valve (250) is communicated with the outlet of the pump (220), one end is communicated with the feeding pipe (230), and the last end is communicated with the reflux piece (240).

2. A feed mechanism for a centrifugal extractor according to claim 1, wherein, The stirring piece (140) comprises a first motor (141) fixed on the top end of the partition plate (120) and a shaft extending into the stirring cavity, and a plurality of stirring blades (142) fixed in an annular array on the shaft of the first motor (141).

3. A feed mechanism for a centrifugal extractor according to claim 1, wherein, The feeding pipe (150) comprises a liquid inlet pipe (151) installed on one side of the barrel (110) and communicated with the stirring cavity, and an electric valve (152) installed on the liquid inlet pipe (151).

4. A feed mechanism for a centrifugal extractor according to claim 1, wherein The reflux piece (240) comprises a hollow shell (241) fixed on the inner wall of the barrel (110), and a reflux pipe (242) installed at the bottom end of the hollow shell (241) and communicated with the inner cavity of the hollow shell (241) and the stirring cavity.

5. A feed mechanism for a centrifugal extractor according to claim 4, wherein, The three-way control valve (250) comprises a three-way shell (251) arranged between the pump (220) and the hollow shell (241), a three-way valve core (252) rotatably arranged in the inner cavity of the three-way shell (251), and a second motor (253) installed on one side of the three-way shell (251) and having a shaft fixedly connected with the three-way valve core (252).

6. A feed mechanism for a centrifugal extractor according to claim 5, wherein, The bottom end of the barrel (110) is provided with a sewage hole communicated with the inner cavity of the annular filter screen (160), and a sealing plug (111) is threadedly connected in the sewage hole.

7. A feed mechanism for a centrifugal extractor according to claim 1, wherein, The flow guide plate (130) is provided with a flow guide hole (131) with a tapered cross section in the middle, which communicates the stirring cavity with the inner side of the annular filter screen (160).

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