Automatic cleaning system for interior of centrifugal machine

Abstract

The utility model relates to the field of centrifugal machines, in particular to a centrifugal machine interior automatic cleaning system which comprises a shell, a separation part and a detection assembly, the shell is provided with a containing cavity, the two ends of the shell are provided with a through opening and a penetrating opening respectively, and the outer wall of the shell is provided with a first discharging opening and a second discharging opening; the separation part is coaxially and rotationally connected to the inner wall of the through opening and the inner wall of the penetrating opening, a feeding opening is coaxially formed in one end of the separation part, a solid material outlet and a liquid material outlet are formed in the two ends of the separation part respectively, and the detection assembly is used for detecting the liquid concentration of the first discharging opening and the second discharging opening. Mixed materials enter the separating part from the feeding port to be subjected to solid-liquid separation, solids are discharged from the first discharging port through the solid material outlet, liquid is discharged from the second discharging port through the liquid material outlet, and after machining is completed, cleaning liquid is introduced from the feeding port and cleans the separating part and the containing cavity. And the detection assembly detects the concentration of liquid discharged from the first discharge port and the second discharge port, judges the concentration of material residues, controls the cleaning time and improves the cleaning quality.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of centrifuges, in particular to an automatic cleaning system inside a centrifuge. BACKGROUND

[0002] A centrifuge is a machine that uses centrifugal force to separate liquids from solids or liquids from liquids.

[0003] At present, centrifuges widely used in chemical industry, pharmaceutical industry and other industries need to be cleaned regularly after continuous operation for a period of time to ensure that the separation efficiency is not affected by the accumulation of pollutants.

[0004] The current widely used manual cleaning method with a simple water gun cannot efficiently and comprehensively cover the entire centrifuge cavity, resulting in the existence of cleaning dead angles. Manual cleaning not only consumes time and effort, but also cannot guarantee complete removal of residues, especially in the case of handling corrosive or toxic materials, which poses a threat to human health. CONTENT OF THE INVENTION

[0005] In order to improve the cleaning quality, the present application provides an automatic cleaning system inside a centrifuge.

[0006] The automatic cleaning system inside the centrifuge provided by the present application adopts the following technical scheme:

[0007] An automatic cleaning system inside a centrifuge, comprising a shell, a separation piece and a detection assembly, the shell is provided with a containing cavity, both ends of the shell are respectively provided with a through opening and a through hole, the outer wall of the shell is provided with a first discharge port and a second discharge port, the first discharge port is arranged close to the through opening, and the second discharge port is arranged close to the through hole, the separation piece is coaxially connected to the inner wall of the through opening and the inner wall of the through hole, one end of the separation piece is coaxially provided with a feed port, both ends of the separation piece are respectively provided with a solid material outlet and a liquid material outlet, the solid material outlet is communicated with the first discharge port, and the liquid material outlet is communicated with the second discharge port, the detection assembly is fixedly connected to the lower end of the shell, and the detection assembly is used for detecting the liquid concentration of the first discharge port and the second discharge port.

[0008] By adopting the above technical scheme, the mixed material enters the separation piece from the feed port, the separation piece separates the mixed material into solid and liquid, the solid is discharged from the first discharge port through the solid material outlet, and the liquid is discharged from the second discharge port through the liquid material outlet, realizing the solid-liquid separation of the mixed material. After processing is completed, cleaning liquid is introduced from the feed port to clean the separation piece and the containing cavity. The detection assembly detects the liquid concentration discharged from the first discharge port and the second discharge port, judges the residual concentration of the material, controls the cleaning time, and improves the cleaning quality.

[0009] Preferably, the separation piece comprises a rotating drum, a spiral conveying rod and a feeding pipe, one end of the rotating drum is coaxially and rotatably connected to the inner wall of the through hole, the rotating drum is provided with a separation cavity, the separation cavity is through at both ends, the outer wall of the rotating drum is provided with a solid material outlet and a liquid material outlet, the solid material outlet and the liquid material outlet are both communicated with the separation cavity, the spiral conveying rod is coaxially and rotatably connected to the inner wall of the separation cavity, one end of the spiral conveying rod is coaxially and rotatably connected to the inner wall of the through hole, the end of the spiral conveying rod away from the through hole is provided with a feeding port, the feeding pipe is coaxially and rotatably connected to the inner wall of the feeding port, the outer wall of the spiral conveying rod is provided with a conveying port, and the conveying port is communicated with the feeding port and the separation cavity.

[0010] By adopting the above technical scheme, the mixed material enters the feeding port along the feeding pipe, the spiral conveying rod rotates to generate a centrifugal force, the mixed material enters the separation cavity from the conveying port, the mixed material realizes solid-liquid separation in the separation cavity, the solid is discharged from the solid material outlet, and the liquid is discharged from the liquid material outlet, so that the mixed material is conveniently separated.

[0011] Preferably, the device further comprises a support, a first recovery box and a second recovery box, the support is fixedly connected to the lower end of the shell, the openings of the first material outlet and the second material outlet face downward, the first recovery box is arranged below the first material outlet, the first recovery box is used for receiving the material discharged from the first material outlet, and the second recovery box is arranged below the second material outlet, the second recovery box is used for receiving the material discharged from the second material outlet.

[0012] By adopting the above technical scheme, the first recovery box and the second recovery box facilitate the recovery of the separated materials respectively, and facilitate the use of the user.

[0013] Preferably, the detection assembly comprises a connecting plate, a first driving cylinder, a first detection probe, a second driving cylinder, a second detection probe and a controller, the connecting plate is fixedly connected to the lower end of the shell, the cylinder body of the first driving cylinder is fixedly connected to the connecting plate, the piston rod of the first driving cylinder is fixedly connected to the first detection probe, the first detection probe is arranged between the first material outlet and the first recovery box, the cylinder body of the second driving cylinder is fixedly connected to the connecting plate, the piston rod of the second driving cylinder is fixedly connected to the second detection probe, the second detection probe is arranged between the second material outlet and the second recovery box, the first detection probe and the second detection probe are electrically connected to the controller, and the first detection probe and the second detection probe are used for detecting the liquid concentration and transmitting the detection value to the controller.

[0014] By adopting the above technical scheme, the first detection probe detects the liquid concentration discharged from the first material outlet and transmits the detection value to the controller, the second detection probe detects the liquid concentration discharged from the second material outlet and transmits the detection value to the controller, and when the detection value is less than a preset concentration value, the cleaning liquid is stopped from being conveyed, and the cleaning quality is improved.

[0015] Preferably, the liquid inlet pipe, the first valve and the second valve are further included, an outer wall of the feed pipe is provided with a liquid inlet, the liquid inlet pipe is coaxially fixedly connected to an inner wall of the liquid inlet, the first valve is arranged at a side of the liquid inlet away from the feed inlet, the first valve is connected to the inner wall of the feed pipe, and the second valve is connected to the inner wall of the liquid inlet pipe.

[0016] By adopting the above technical scheme, the first valve controls the on-off of the feed pipe, thereby controlling the entry of the mixed material, and the second valve controls the on-off of the liquid inlet pipe, thereby controlling the entry of the cleaning liquid, so as to facilitate the control of feeding and cleaning and facilitate user use.

[0017] Preferably, the controller is electrically connected to the second valve.

[0018] By adopting the above technical scheme, if the detection value is greater than the preset concentration value, the second valve is opened, and when the detection value is less than the preset concentration value, the controller controls the second valve to be closed, so as to realize automatic cleaning and improve the cleaning quality.

[0019] Preferably, the spiral conveying rod comprises a screw rod and a blade, the blade is arranged around an outer periphery of the screw rod, the blade is fixedly connected to an outer wall of the screw rod, a distance between the blades decreases as the distance to the through hole decreases, the blade is rotationally connected to an inner wall of the separation cavity, the screw rod is coaxially rotationally connected to an inner wall of the through hole, an end of the screw rod away from the through hole is provided with a feed inlet, and an outer wall of the screw rod is provided with a conveying outlet.

[0020] By adopting the above technical scheme, the separated materials can be conveniently conveyed to both ends, and user use is facilitated.

[0021] Preferably, the spring and the cover are further included, one end of the spring is fixedly connected to an inner wall of the containing cavity facing the through hole, the other end of the spring is fixedly connected to the cover, the cover is coaxially provided with a sliding hole, the screw rod is slidingly connected to an inner wall of the sliding hole, and the cover is used for plugging the solid material outlet.

[0022] By adopting the above technical scheme, the cover plugs the solid material outlet, so as to reduce the probability that the mixed liquid is not completely separated and directly discharged from the solid material outlet.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. The mixture enters the separation part from the feed port, the separation part performs solid-liquid separation on the mixture, the solid is discharged from the first discharge port through the solid outlet, the liquid is discharged from the second discharge port through the liquid outlet, the solid-liquid separation of the mixture is realized, after the processing is completed, the cleaning liquid is introduced from the feed port, the cleaning liquid cleans the separation part and the containing cavity, the detection assembly detects the liquid concentration discharged from the first discharge port and the second discharge port, judges the residual concentration of the material, controls the cleaning time, and improves the cleaning quality;

[0025] 2. The first detection probe detects the liquid concentration discharged from the first discharge port and sends the detection value to the controller, the second detection probe detects the liquid concentration discharged from the second discharge port and sends the detection value to the controller, when the detection value is less than the preset concentration value, the cleaning liquid is stopped, and the cleaning quality is improved;

[0026] 3. If the detection value is greater than the preset concentration value, the second valve is opened, when the detection value is less than the preset concentration value, the controller controls the second valve to be closed, automatic cleaning is realized, and the cleaning quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a whole structure schematic diagram of an automatic cleaning system inside a centrifuge.

[0028] Figure 2 It is a sectional view of an automatic cleaning system inside a centrifuge.

[0029] Marked for explanation: 1, support; 2, shell; 21, containing cavity; 22, through port; 23, through port; 24, first discharge port; 25, second discharge port; 3, separation part; 31, drum; 311, solid outlet; 312, liquid outlet; 313, rotating port; 314, separation cavity; 32, spiral conveying rod; 321, screw; 3211, feed port; 3212, conveying port; 322, blade; 33, feed pipe; 331, liquid inlet; 34, fixed rod; 4, plugging part; 41, spring; 42, cover; 421, sliding port; 5, first recovery tank; 6, second recovery tank; 7, cleaning assembly; 71, liquid inlet pipe; 72, first valve; 73, second valve; 8, detection assembly; 81, connecting plate; 82, first drive cylinder; 83, first detection probe; 84, second drive cylinder; 85, second detection probe; 86, controller. DETAILED DESCRIPTION

[0030] The following will be combined with the Figures 1-2 The application is further described in detail.

[0031] The embodiment of the application discloses an automatic cleaning system inside a centrifuge. Referring to Figure 1 and Figure 2The utility model provides an automatic cleaning system in centrifuge interior, it includes support 1, shell 2, separating piece 3, plugging piece 4, first recovery tank 5, second recovery tank 6, cleaning assembly 7 and detection assembly 8.

[0032] Refer to Figure 2 The outer wall of the shell 2 is fixedly connected to the upper end of the support 1, and the lower end of the support 1 abuts against the ground. The shell 2 is provided with a containing cavity 21. The two ends of the shell 2 are respectively provided with a through opening 22 and a through hole 23. The through opening 22 is coaxially arranged with the through hole 23. The outer wall of the shell 2 is provided with a first discharge port 24 and a second discharge port 25. The first discharge port 24 is arranged close to the through opening 22, and the second discharge port 25 is arranged close to the through hole 23. The through opening 22, the through hole 23, the first discharge port 24 and the second discharge port 25 are all communicated with the containing cavity 21. The openings of the first discharge port 24 and the second discharge port 25 are downward.

[0033] The separating piece 3 comprises a rotating drum 31, a spiral conveying rod 32, a feeding pipe 33 and a fixing rod 34. One end of the rotating drum 31 is coaxially and rotatably connected to the inner wall of the through hole 23. The other end of the rotating drum 31 is coaxially provided with a solid material outlet 311. The end of the rotating drum 31, which is away from the solid material outlet 311, is provided with a liquid material outlet 312 and a rotating opening 313. The rotating opening 313 is coaxially arranged with the rotating drum 31. The liquid material outlet 312 is arranged on the outer periphery of the rotating opening 313. The rotating drum 31 is provided with a separating cavity 314. The solid material outlet 311, the liquid material outlet 312 and the rotating opening 313 are all communicated with the separating cavity 314. The solid material outlet 311 and the liquid material outlet 312 are both communicated with the containing cavity 21. The solid material outlet 311 is communicated with the first discharge port 24, and the liquid material outlet 312 is communicated with the second discharge port 25.

[0034] Refer to Figure 2 The spiral conveying rod 32 comprises a screw rod 321 and a blade 322. The screw rod 321 is coaxially and rotatably connected to the inner wall of the through opening 22 and the inner wall of the rotating opening 313. The blade 322 is arranged in the separating cavity 314. The blade 322 is arranged around the outer periphery of the screw rod 321. The blade 322 is fixedly connected to the outer wall of the screw rod 321. The spacing of the blade 322 decreases as it approaches the through opening 22. The blade 322 is rotatably connected to the inner wall of the separating cavity 314.

[0035] One end of the screw rod 321, which is away from the through opening 22, is coaxially provided with a feeding opening 3211. The feeding pipe 33 is coaxially and rotatably connected to the inner wall of the feeding opening 3211. The outer wall of the feeding pipe 33 is fixedly connected to the upper end of the support 1 through the fixing rod 34. The outer wall of the screw rod 321 is provided with a conveying opening 3212. The conveying opening 3212 is arranged on the side of the feeding pipe 33, which is away from the through hole 23. The conveying opening 3212 is communicated with the feeding opening 3211 and the separating cavity 314.

[0036] Refer to Figure 2The blocking piece 4 comprises springs 41 and a cover 42. One end of each spring 41 is fixedly connected to the inner wall of the accommodating cavity 21 towards the through hole 23, and the other end of each spring 41 is fixedly connected to the cover 42. A plurality of springs 41 are uniformly and spacedly arranged around the axis of the screw rod 321. The cover 42 is coaxially provided with a sliding hole 421, and the screw rod 321 is slidingly connected to the inner wall of the sliding hole 421. The cover 42 is used for blocking the solid material outlet 311.

[0037] The first and second recycling boxes 5 and 6 are placed on the ground. The first recycling box 5 is arranged below the first material outlet 24 and is used for receiving the material discharged from the first material outlet 24. The second recycling box 6 is arranged below the second material outlet 25 and is used for receiving the material discharged from the second material outlet 25.

[0038] Referring to Figure 2 The cleaning assembly 7 further comprises a liquid inlet pipe 71, a first valve 72 and a second valve 73. The outer wall of the feeding pipe 33 is provided with a liquid inlet hole 331. The liquid inlet pipe 71 is coaxially and fixedly connected to the inner wall of the liquid inlet hole 331. The first valve 72 is arranged on the side of the liquid inlet hole 331 away from the feeding hole 3211 and is connected to the inner wall of the feeding pipe 33. The first valve 72 is used for controlling the opening and closing of the feeding pipe 33. The second valve 73 is connected to the inner wall of the liquid inlet pipe 71 and is used for controlling the opening and closing of the liquid inlet pipe 71.

[0039] The detection assembly 8 comprises a connecting plate 81, a first driving cylinder 82, a first detection probe 83, a second driving cylinder 84, a second detection probe 85 and a controller 86. The connecting plate 81 is fixedly connected to the lower end of the shell 2. The cylinder body of the first driving cylinder 82 is fixedly connected to the connecting plate 81. The piston rod of the first driving cylinder 82 is fixedly connected to the first detection probe 83. The first detection probe 83 is arranged between the first material outlet 24 and the first recycling box 5. The cylinder body of the second driving cylinder 84 is fixedly connected to the connecting plate 81. The piston rod of the second driving cylinder 84 is fixedly connected to the second detection probe 85. The second detection probe 85 is arranged between the second material outlet 25 and the second recycling box 6. The first and second detection probes 83 and 85 are electrically connected to the controller 86. The first and second detection probes 83 and 85 are used for detecting the liquid concentration and transmitting the detection value to the controller 86. The controller 86 is electrically connected to the second valve 73.

[0040] The implementation principle of the automatic cleaning system inside the centrifuge is as follows: the mixed material enters the feeding port 3211 along the feeding pipe 33, the spiral conveying rod 32 rotates to generate centrifugal force, so that the mixed material enters the separation cavity 314 from the conveying port 3212, the solid-liquid separation of the mixed material is realized in the separation cavity 314, the solid is discharged from the first discharge port 24 through the solid outlet 311, the liquid is discharged from the second discharge port 25 through the liquid outlet 312, after the processing is completed, the first valve 72 is closed, the second valve 73 is opened, the cleaning liquid is introduced from the feeding port 3211, the cleaning liquid cleans the separation piece 3 and the containing cavity 21, the cleaning liquid is discharged from the first discharge port 24 and the second discharge port 25, the first detection probe 83 detects the liquid concentration discharged from the first discharge port 24, the second detection probe 85 detects the liquid concentration discharged from the second discharge port 25, the controller 86 controls the opening and closing of the second valve 73 according to the residual concentration of the material, controls the cleaning time, and improves the cleaning quality.

[0041] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A centrifuge internal automatic cleaning system, characterized by: The utility model provides a kind of liquid-solid separation device, including shell (2), separating piece (3) and detection assembly (8), the shell (2) is equipped with containing cavity (21), the both ends of the shell (2) are equipped with through mouth (22) and through hole (23) respectively, the outer wall of the shell (2) is equipped with first discharge port (24) and second discharge port (25), the first discharge port (24) is close to through mouth (22) and is arranged, the second discharge port (25) is close to through hole (23) and is arranged, the separating piece (3) is coaxially connected to the inner wall of through mouth (22) and the inner wall of through hole (23), one end of the separating piece (3) is coaxially equipped with feed port (3211), the both ends of the separating piece (3) are equipped with solid material outlet (311) and liquid material outlet (312) respectively, the solid material outlet (311) is communicated with first discharge port (24), the liquid material outlet (312) is communicated with second discharge port (25), the detection assembly (8) is fixedly connected to the lower end of shell (2), and the detection assembly (8) is used to detect the liquid concentration of first discharge port (24) and second discharge port (25).

2. The automatic internal cleaning system of a centrifuge according to claim 1, wherein: The separating piece (3) includes rotating drum (31), spiral conveying rod (32) and feed pipe (33), one end of the rotating drum (31) is coaxially connected to the inner wall of through hole (23), the rotating drum (31) is equipped with separation cavity (314), the both ends of the separation cavity (314) are through, the outer wall of the rotating drum (31) is equipped with solid material outlet (311) and liquid material outlet (312), the solid material outlet (311) and liquid material outlet (312) are communicated with separation cavity (314), the spiral conveying rod (32) is coaxially connected to the inner wall of separation cavity (314), one end of the spiral conveying rod (32) is coaxially connected to the inner wall of through mouth (22), the end of the spiral conveying rod (32) away from through mouth (22) is equipped with feed port (3211), the feed pipe (33) is coaxially connected to the inner wall of feed port (3211), the outer wall of the spiral conveying rod (32) is equipped with conveying port (3212), and the conveying port (3212) is communicated with feed port (3211) and separation cavity (314).

3. A centrifuge internal automatic cleaning system according to claim 2, wherein: It further includes support (1), first recovery tank (5) and second recovery tank (6), the support (1) is fixedly connected to the lower end of shell (2), the openings of the first discharge port (24) and the second discharge port (25) are downward, the first recovery tank (5) is arranged below the first discharge port (24), the first recovery tank (5) is used to accept the material discharged from the first discharge port (24), the second recovery tank (6) is arranged below the second discharge port (25), and the second recovery tank (6) is used to accept the material discharged from the second discharge port (25).

4. The automatic internal cleaning system of a centrifuge according to claim 3, wherein: The detection assembly (8) comprises a connecting plate (81), a first driving cylinder (82), a first detection probe (83), a second driving cylinder (84), a second detection probe (85) and a controller (86), the connecting plate (81) is fixedly connected to the lower end of the shell (2), the cylinder body of the first driving cylinder (82) is fixedly connected to the connecting plate (81), the piston rod of the first driving cylinder (82) is fixedly connected to the first detection probe (83), the first detection probe (83) is arranged between the first discharge port (24) and the first recovery tank (5), the cylinder body of the second driving cylinder (84) is fixedly connected to the connecting plate (81), the piston rod of the second driving cylinder (84) is fixedly connected to the second detection probe (85), the second detection probe (85) is arranged between the second discharge port (25) and the second recovery tank (6), the first detection probe (83) and the second detection probe (85) are electrically connected to the controller (86), and the first detection probe (83) and the second detection probe (85) are used for detecting the liquid concentration and transmitting the detection value to the controller (86).

5. A centrifuge internal automatic cleaning system according to claim 4, wherein: Further comprising a liquid inlet pipe (71), a first valve (72) and a second valve (73), the outer wall of the feed pipe (33) is provided with a liquid inlet (331), the liquid inlet pipe (71) is coaxially fixedly connected to the inner wall of the liquid inlet (331), the first valve (72) is arranged on the side of the liquid inlet (331) away from the feed inlet (3211), the first valve (72) is connected to the inner wall of the feed pipe (33), and the second valve (73) is connected to the inner wall of the liquid inlet pipe (71).

6. A centrifuge internal automatic cleaning system according to claim 5, wherein: The controller (86) is electrically connected to the second valve (73).

7. The automatic internal cleaning system of a centrifuge according to claim 2, wherein: The spiral conveying rod (32) comprises a screw rod (321) and a blade (322), the blade (322) is arranged around the outer periphery of the screw rod (321), the blade (322) is fixedly connected to the outer wall of the screw rod (321), the distance between the blades (322) decreases as it approaches the through port (22), the blade (322) is rotationally connected to the inner wall of the separation cavity (314), the screw rod (321) is coaxially rotationally connected to the inner wall of the through port (22), one end of the screw rod (321) away from the through port (22) is provided with a feed inlet (3211), and the outer wall of the screw rod (321) is provided with a conveying port (3212).

8. A centrifuge internal automatic cleaning system according to claim 7, wherein: Further comprising a spring (41) and a cover body (42), one end of the spring (41) is fixedly connected to the inner wall of the containing cavity (21) towards the through port (23), the other end of the spring (41) is fixedly connected to the cover body (42), the cover body (42) is coaxially provided with a sliding port (421), the screw rod (321) is slidingly connected to the inner wall of the sliding port (421), and the cover body (42) is used for plugging the solid material outlet (311).

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