High-speed full-automatic vertical scraper centrifugal machine

Abstract

The invention relates to the technical field of centrifugal machines, and discloses a high-speed full-automatic vertical scraper centrifugal machine which comprises a bearing assembly and a machine base used for installing the bearing assembly. The filtering device is connected with the bearing assembly and is used for filtering materials; the machine cover is arranged at the top of the machine base; and the solid-liquid switching device is arranged below the machine base and used for preventing water from entering the separated materials. The short feeding pipe and the long feeding pipe are adopted, the multiple duckbilled third nozzles are arranged on the short feeding pipe and the long feeding pipe, materials can be evenly sprayed on the filter cloth at a time, the structure is simple, material distribution is even, the filter area of the rotary drum is large, the yield is high, the treatment efficiency is high, the scraper structure is compact, rigidity is good, and the rotary drum is suitable for large-scale production. The scraper is formed by welding and machining 100 mm solid round steel, the scraping process is stable, shaking is avoided, the scraping process of the scraper is simple and efficient in action, and materials can be easily scraped off only through rotating action.

Description

Technical Field

[0001] The present invention belongs to the technical field of centrifuges, and particularly relates to a high-speed fully automatic vertical scraper centrifuge. Background Art

[0002] A vertical scraper centrifuge is a vertical centrifugal device commonly used for solid-liquid separation. By the high-speed rotation of the drum to generate centrifugal force, the separation and dehydration of materials are realized. The scraper assembly can automatically or manually scrape the filter cake on the inner wall of the drum, and is applicable to industries such as chemical engineering, food, medicine, and environmental protection.

[0003] When the existing vertical scraper centrifuge is in use, when injecting materials into the drum, the materials cannot be evenly distributed on the drum, which affects the effect of solid-liquid separation. Moreover, the filtration area of the drum is small and the output is low. The scraper of the existing vertical scraper centrifuge is not stable during use and is prone to jitter. And in the entire working cycle of the existing vertical scraper centrifuge, it is realized by low-speed feeding - high-speed dehydration - low-speed scraping. The whole process takes nearly 20 minutes. The scraper needs the movement coordination in two dimensions to scrape off the materials. The scraper is gradually pushed close to the materials by a rotary oil cylinder, and the materials are scraped off layer by layer by the back-and-forth movement of the upper and lower oil cylinders in combination.

[0004] Therefore, it is very necessary to invent a high-speed fully automatic vertical scraper centrifuge to solve the above problems. Summary of the Invention

[0005] In view of the above problems, the present invention provides a high-speed fully automatic vertical scraper centrifuge to solve the problems raised in the above background art.

[0006] To achieve the above object, the present invention provides the following technical solution: A high-speed fully automatic vertical scraper centrifuge, comprising a bearing assembly, a machine base for installing the bearing assembly; a filtering device connected to the bearing assembly for filtering materials; a machine cover arranged on the top of the machine base; A solid-liquid switching device arranged under the machine base for preventing the separated materials from entering water; A lubricating device arranged on the machine base for lubricating the bearing assembly; A driving device for driving the bearing assembly to rotate; A cleaning device for cleaning the filtering device.

[0007] Further, the machine base includes: A bottom plate housing for installing the bearing assembly; Vibration isolators arranged at the four corners of the bottom of the bottom plate housing; First spring washers arranged between the vibration isolators and the bottom plate housing; The first bolt connects the shock isolator and the first spring washer to the bottom plate housing.

[0008] Furthermore, the bearing assembly includes: A main shaft disposed inside the bottom plate housing; A bearing bracket connected inside the bottom plate housing; A bearing disposed inside the bearing bracket. The bearing is composed of an inner bearing spacer, an outer bearing spacer, and balls disposed between the inner bearing spacer and the outer bearing spacer. The inner bearing spacer is fixedly sleeved on the main shaft, and the outer bearing spacer is fixedly connected to the bearing bracket; A nut cover disposed at the end of the main shaft; A round nut disposed at the end of the main shaft; A hydraulic nut disposed at the end of the main shaft; The nut cover cooperates with the round nut and the hydraulic nut to connect the main shaft to the filtering device; An upper wear-resistant ring fixedly sleeved outside the main shaft; An upper cover fixed on the top of the bottom plate housing; An oil seal cover plate fixed inside the upper cover, and the oil seal cover plate is in contact with the upper wear-resistant ring; An upper bushing fixedly sleeved outside the main shaft; A lower bushing fixedly sleeved outside the main shaft; A lower cover fixedly installed at the bottom of the bottom plate housing; A lower wear-resistant ring fixedly sleeved outside the main shaft, and the lower wear-resistant ring is in contact with the lower cover; A pressing plate for connecting the main shaft to the driving device.

[0009] Furthermore, the filtering device includes: A drum sleeved outside the main shaft. The nut cover cooperates with the round nut and the hydraulic nut to connect the main shaft to the drum; A supporting wire mesh fixedly disposed on the inner wall of the drum; Filter cloth disposed on the inner wall of the supporting wire mesh; A three-stage tensioning ring connecting the filter cloth to the supporting wire mesh.

[0010] Furthermore, the solid-liquid switching device includes: A frame body disposed below the bottom plate housing; A cover plate disposed on the top of the frame body; A frame connected inside the frame body; A liquid receiving frame slidably installed on the frame; The cylinder is fixedly installed on one side of the frame body, and one end of the cylinder rod of the cylinder is fixedly connected to the liquid receiving frame.

[0011] Furthermore, the lubrication device includes: The oil pipe is connected to the bottom plate housing, the end position of the oil pipe corresponds to the position of the bearing, and the bottom end of the oil pipe extends outside the bottom plate housing.

[0012] Furthermore, the driving device includes: The motor is arranged on the top of the bottom plate housing; The belt pulleys are respectively connected to the outside of the output shaft of the motor and the outside of the main shaft; The joined narrow V-belt connects the two belt pulleys.

[0013] Furthermore, the cleaning device includes: The rotary drum washing pipe is connected to the machine cover; The filter cake washing pipe is connected to the machine cover; The scraper assembly is connected to the machine cover; The side flushing pipe is connected to the inner wall of the machine cover.

[0014] Furthermore, the top of the machine cover is respectively connected with a short feed pipe and a long feed pipe, and the short feed pipe and the long feed pipe extend into the rotary drum.

[0015] The technical effects and advantages of the present invention: 1. The present invention adopts a short feed pipe and a long feed pipe, and a plurality of third nozzles in the shape of duck bills are arranged on the short feed pipe and the long feed pipe, so that the materials can be evenly sprayed on the filter cloth at one time. The structure is simple and the cloth is made uniform; 2. The rotary drum of the present invention has a large filtering area, high output and high processing efficiency; 3. The scraper structure of the present invention is solid and has good rigidity. It is made by welding 100mm solid round steel and then machining. The scraping process is stable and there is no shaking phenomenon. The scraper scraping process is simple and efficient, and only a rotating action is required to easily scrape off the materials.

[0016] 4. The present invention operates at a high speed throughout the process. The whole process of cloth feeding - dehydration - scraping is at the same rotation speed, and the whole process takes about 2 minutes. Under the push of the oil cylinder, the scraper scrapes off the materials layer by layer within 10 seconds through a rotating action. Brief Description of the Drawings

[0017] Figure 1 Shows a schematic cross-sectional structure diagram of the high-speed fully automatic vertical scraper centrifuge according to an embodiment of the present invention; Figure 2Shows a top view structural schematic diagram of the high-speed fully automatic vertical scraper centrifuge according to an embodiment of the present invention; Figure 3 Shows a sectional view structural schematic diagram of the bearing assembly according to an embodiment of the present invention; Figure 4 Shows a structural schematic diagram of the machine base and the drive device combination according to an embodiment of the present invention; Figure 5 Shows a top view structural schematic diagram of the machine base and the drive device combination according to an embodiment of the present invention; Figure 6 Shows a sectional view structural schematic diagram of the filter device according to an embodiment of the present invention; Figure 7 Shows a top view structural schematic diagram of the cleaning device according to an embodiment of the present invention; Figure 8 Shows a sectional view structural schematic diagram of the machine cover according to an embodiment of the present invention; Figure 9 Shows a structural schematic diagram of the solid-liquid switching device according to an embodiment of the present invention; Figure 10 Shows a sectional view structural schematic diagram of the drum washing pipe according to an embodiment of the present invention; Figure 11 Shows a sectional view structural schematic diagram of the cake washing pipe according to an embodiment of the present invention; In the figure: 1. Bearing assembly; 101. Nut cover; 102. Round nut; 103. Hydraulic nut; 104. Main shaft; 105. Upper wear-resistant ring; 106. Oil seal cover plate; 107. Upper cover; 108. Bearing bracket; 109. Upper bushing; 110. Lower bushing; 111. Inner bearing spacer ring; 112. Outer bearing spacer ring; 113. Lower cover; 114. Lower wear-resistant ring; 115. Pressing plate; 2. Machine base; 201. Bottom plate housing; 202. Vibration isolator; 203. First spring washer; 204. First bolt; 3. Filter device; 301. Drum; 302. Supporting wire mesh; 303. Filter cloth; 304. Three-section tensioning ring; 4. Machine cover; 5. Solid-liquid switching device; 501. Cover plate; 502. Frame body; 503. Liquid receiving frame; 504. Cylinder; 505. Frame; 6. Lubrication device; 601. Oil pipe; 7. Driving device; 701. Motor; 702. Second bolt; 703. Second spring washer; 704. Motor plate; 705. Third bolt; 706. Double-sided V-belt; 707. Pulley; 708. Baffle; 709. Fourth bolt; 710. External tab washer; 8. Cleaning device; 801. Drum washing pipe; 8011. Fifth bolt; 8012. First washer; 8013. Flushing pipe; 8014. First nozzle; 802. Cake washing pipe; 8021. Sixth bolt; 8022. Second washer; 8023. Washing pipe; 8024. Second nozzle; 803. Scraper assembly; 804. Side flushing pipe; 9. Short feed pipe; 10. Long feed pipe. Detailed implementation mode

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0019] The present invention provides a high-speed fully automatic vertical scraper centrifuge, as Figures 1 to 11 shown, including a bearing assembly 1, a machine base 2, a filtering device 3, a machine cover 4, a solid-liquid switching device 5, a lubrication device 6, a driving device 7, and a cleaning device 8; The machine base 2 is used to install the bearing assembly 1. The filtering device 3 is connected to the bearing assembly 1 and is used for filtering materials. The bottom of the machine base 2 is provided with a discharge port. The machine cover 4 is arranged on the top of the machine base 2. The solid-liquid switching device 5 is arranged below the machine base 2 and is used to prevent the separated materials from entering water. The lubrication device 6 is arranged on the machine base 2 and is used to lubricate the bearing assembly 1. The driving device 7 is used to drive the bearing assembly 1 to rotate. The cleaning device 8 is used to clean the filtering device 3.

[0020] During use, the bearing assembly 1 is driven by the driving device 7 to rotate at high speed with the filtering device 3. The material is put into the filtering device 3. The material rotates at high speed with the filtering device 3, so that the liquid in the material is separated. After the separation is completed, the cleaning device 8 scrapes off the filter cake formed after the material is dehydrated. The filter cake falls to the outside for collection, and the solid-liquid separation is completed. The bearing assembly 1 is lubricated by the lubricating device 6 to make it run more smoothly. The solid-liquid switching device 5 is located at the bottom of the discharge port, aiming to prevent water droplets during operation and water during centrifuge cleaning from entering the processed material, and reducing the risk of water entering the separated material.

[0021] As Figure 4 and Figure 5 shown, the machine base 2 includes: a bottom plate housing 201, shock absorbers 202, first spring washers 203, and first bolts 204. The bottom plate housing 201 is used for installing the bearing assembly 1. The discharge port is arranged on the bottom plate housing 201. The shock absorbers 202 are arranged at the four corners of the bottom of the bottom plate housing 201. The first spring washers 203 are arranged between the shock absorbers 202 and the bottom plate housing 201. The first bolts 204 fixedly connect the shock absorbers 202 and the first spring washers 203 to the bottom plate housing 201.

[0022] As Figure 3 shown, the bearing assembly 1 includes: a main shaft 104, a bearing bracket 108, bearings, a nut cover 101, a round nut 102, a hydraulic nut 103, a main shaft 104, an upper wear-resistant ring 105, an oil seal cover plate 106, an upper cover 107, a bearing bracket 108, an upper bushing 109, a lower bushing 110, a bearing inner spacer 111, a bearing outer spacer 112, ball bearings, a lower cover 113, a lower wear-resistant ring 114, and a pressing plate 115. The main shaft 104 is arranged inside the bottom plate housing 201. The bearing bracket 108 is fixedly connected inside the bottom plate housing 201. The bearing is arranged inside the bearing bracket 108. The bearing consists of a bearing inner spacer 111, a bearing outer spacer 112 and balls arranged between the bearing inner spacer 111 and the bearing outer spacer 112. The bearing inner spacer 111 is fixedly sleeved on the main shaft 104, and the bearing outer spacer 112 is fixedly connected to the bearing bracket 108. The nut cover 101 is arranged at the end of the main shaft 104, the round nut 102 is arranged at the end of the main shaft 104, the hydraulic nut 103 is arranged at the end of the main shaft 104. The nut cover 101 cooperates with the round nut 102 and the hydraulic nut 103 to connect the main shaft 104 with the filtering device 3. The upper wear-resistant ring 105 is fixedly sleeved on the outside of the main shaft 104. The upper cover 107 is fixed on the top of the bottom plate housing 201. The oil seal cover plate 106 is fixed on the inner side of the upper cover 107. The oil seal cover plate 106 is in contact with the upper wear-resistant ring 105. The upper bushing 109 is fixedly sleeved on the outside of the main shaft 104. The lower bushing 110 is fixedly sleeved on the outside of the main shaft 104. The lower cover 113 is fixedly installed at the bottom of the bottom plate housing 201. The lower wear-resistant ring 114 is fixedly sleeved on the outside of the main shaft 104. The lower wear-resistant ring 114 is in contact with the lower cover 113. The pressure plate 115 is used to connect the main shaft 104 with the driving device 7.

[0023] As Figure 6 shown, the filtering device 3 includes: a drum 301, a supporting mesh 302, a filter cloth 303, and a three-section tension ring 304; The drum 301 is sleeved on the outside of the main shaft 104. The nut cover 101 cooperates with the round nut 102 and the hydraulic nut 103 to fixedly connect the main shaft 104 with the drum 301. The supporting mesh 302 is fixedly arranged on the inner wall of the drum 301. The filter cloth 303 is arranged on the inner wall of the supporting mesh 302. The three-section tension ring 304 is composed of three tension rings. The filter cloth 303 is connected to the supporting mesh 302 through the three tension rings.

[0024] When the main shaft 104 rotates, the drum 301, the supporting mesh 302 and the filter cloth 303 rotate accordingly. Thus, relying on the centrifugal force generated, the materials distributed on the filter cloth 303 are thrown, so that the water in the materials is separated, and the water passes through the filter cloth 303 and is thrown out of the drum 301.

[0025] As Figure 9 shown, the solid-liquid switching device 5 includes: a cover plate 501, a frame 502, a liquid receiving frame 503, a cylinder 504, and a frame 505; The housing 502 is arranged below the bottom plate housing 201, the cover plate 501 is arranged on the top of the housing 502, the frame 505 is fixedly connected inside the housing 502, the liquid receiving frame 503 is slidably installed on the frame 505, the cylinder 504 is fixedly installed on one side of the housing 502, and one end of the cylinder rod of the cylinder 504 is fixedly connected with the liquid receiving frame 503.

[0026] An inlet and an outlet are respectively arranged at the top and bottom of the housing 502. The cylinder 504 is started to extend its cylinder rod to drive the liquid receiving frame 503 to move towards the direction close to the inlet, so that the liquid receiving frame 503 is located below the inlet. At this time, the water droplets during the operation of the centrifuge and the water for cleaning the centrifuge fall into the liquid receiving frame 503 for collection, so that the water will not enter the materials collected below through the outlet. When discharging is required, the cylinder 504 is started to shorten its cylinder rod. On the contrary, the reset of the liquid receiving frame 503 is realized. At this time, the materials discharged from the centrifuge can pass through the inlet and the outlet and fall to the place for collecting materials below.

[0027] As Figure 4 shown, the lubrication device 6 includes: an oil pipe 601; The oil pipe 601 is connected to the bottom plate housing 201. The end position of the oil pipe 601 corresponds to the position of the bearing, and the bottom end of the oil pipe 601 extends outside the bottom plate housing 201.

[0028] Lubricating oil is injected into the bearing through the oil pipe 601 so that the bearing can be lubricated.

[0029] As Figure 4 shown, the driving device 7 includes: a motor 701, a combined narrow V-belt 706, and a pulley 707; The motor 701 is arranged on the top of the bottom plate housing 201. Specifically, a motor plate 704 is fixedly installed on the bottom plate housing 201 through a third bolt 705. The motor 701 is connected to the motor plate 704 through a second bolt 702. A second spring washer 703 is sleeved outside the second bolt 702. The second spring washer 703 can reduce the vibration generated during the operation of the motor 701. The pulleys 707 are respectively connected to the outside of the output shaft of the motor 701 and the outside of the main shaft 104. Specifically, a baffle 708 is arranged at the bottom of the pulley 707. The baffle 708 is fixedly connected to the output shaft of the motor 701 through a fourth bolt 709 and an external tongue ear lock washer 710. The pulley 707 located outside the main shaft 104 is fixedly connected to the main shaft 104 through a pressing plate 115 and a fifth bolt. The combined narrow V-belt 706 connects the two pulleys 707.

[0030] The motor 701 is started to rotate its output shaft to drive the connected pulley 707 to rotate. Thus, in cooperation with the combined narrow V-belt 706, it drives the other pulley 707 to rotate, and then drives the main shaft 104 to rotate. The main shaft 104 drives the connected drum 301 to rotate at a high speed.

[0031] As Figure 7 , Figure 10 , Figure 11 shown, the cleaning device 8 includes: a drum washing pipe 801, a filter cake washing pipe 802, a scraper assembly 803, and a side flushing pipe 804; The drum washing pipe 801 is connected to the machine cover 4. Specifically, the drum washing pipe 801 includes: a flushing pipe 8013 and a first nozzle 8014. A plurality of first nozzles 8014 are provided and distributed on both sides of the flushing pipe 8013. The first nozzle 8014 close to the drum 301 is arranged to incline downward by 30 degrees, the uppermost first nozzle 8014 close to the filter cloth 303 is arranged to incline upward by 15 degrees, the plurality of first nozzles 8014 located below and close to the filter cloth 303 are arranged to incline downward by 30 degrees, the lowermost first nozzle 8014 close to the filter cloth 303 is arranged to incline downward by 60 degrees, and the remaining first nozzles 8014 located in the middle and close to the filter cloth 303 are arranged horizontally. The flushing pipe 8013 is connected to the machine cover 4 through a fifth bolt 8011 and a first washer 8012. The filter cake washing pipe 802 is connected to the machine cover 4. Specifically, the filter cake washing pipe 802 includes: a washing pipe 8023 and a second nozzle 8024. The washing pipe 8023 is connected to the machine cover 4 through a sixth bolt 8021 and a second washer 8022. The second nozzles 8024 are equidistantly arranged on the side of the washing pipe 8023 close to the filter cloth 303. The scraper assembly 803 is connected to the machine cover 4. The scraper assembly 803 is composed of a scraper and an oil cylinder drive system. The oil cylinder drive system is fixed on the top of the machine cover 4. The scraper is connected to one end of the oil cylinder drive system. The scraper extends into the machine cover 4. The oil cylinder drive system is the oil cylinder drive system on the scraper assembly in the prior art. The scraper structure in the scraper assembly 803 is compact and has good rigidity. It is made by welding 100mm solid round steel and then machining. The scraping process is stable and there is no jitter phenomenon. The side flushing pipe 804 is fixedly connected to the inner wall of the machine cover 4.

[0032] The filter cake washing pipe 802 is externally connected to an external water supply device. The purpose of setting the filter cake washing pipe 802 is that when the material requires a water washing function, this pipe will automatically supply water according to the need, and discharge the impurities in the material through the solution. The drum washing pipe 801 is externally connected to an external water supply device. The purpose of the drum washing pipe 801 is that after long-term operation, a part of the material will accumulate on the filter cloth 303 and cannot be scraped off by the scraper. At this time, the filter cloth 303 can be sprayed and flushed through this pipe to achieve a clean effect, and the drum 301 can also be cleaned through the drum washing pipe 801.

[0033] The fourth nozzles are equidistantly arranged on the side flushing pipe 804. Part of the material will be discharged from the drum 301 along with the liquid and remain at the position between the outside of the drum 301 and the machine cover 4. The side flushing pipe 804 is externally connected to a water supply device, enabling the outside of the drum 301 and the machine cover 4 to be cleaned regularly, reducing manual cleaning work.

[0034] As Figure 7 shown, the top of the machine cover 4 is respectively connected with a short feed pipe 9 and a long feed pipe 10. The short feed pipe 9 and the long feed pipe 10 extend into the drum 301. A plurality of third nozzles in the shape of duck bills are arranged on the short feed pipe 9 and the long feed pipe 10, which can uniformly spray the material on the filter cloth 303 at one time. The structure is simple, solving the problem of uneven cloth distribution.

[0035] The whole process of the present invention operates at a high speed. The whole process of cloth feeding - dehydration - scraping is at the same rotational speed, and the whole process takes about 2 minutes. The scraper in the scraper assembly 803, under the push of the oil cylinder drive system, scrapes the material layer by layer within 10 seconds through a rotational movement. The height of the drum 301 is 1350 mm, with a large filtration area, high output, long operation cycle, about 2 minutes for the whole process, and high production capacity. During the manufacturing process of the equipment, key components, especially the moving and rotating part, i.e., the bearing assembly 1, are all realized by precision machining technology, reducing the unbalance during rotation and improving the running stability of the equipment. Since the drum 301 is made by precision machining, the thickness of the material layer on the wall of the drum 301 is very uniform. Therefore, the equipment has very good stability during operation. The bottom plate housing 201 is made of a 70 - mm - thick large steel plate. The total weight of the equipment is about 20 tons, and the center of gravity of the whole machine is relatively low, with stable operation during the process. The bearing chamber structure is solid. After the bearing bracket 108 and the bottom plate housing 201 are welded into a whole, they are processed into a whole by a heavy - duty machining equipment at one time, with high precision, good stability, and large load - bearing capacity. The drum 301 has high precision, the material layer remaining on the drum wall is thin, with good water permeability and low moisture content after separation.

[0036] Working principle: When in use, start the motor 701 to make its output shaft rotate, driving the connected pulley 707 to rotate. Then, cooperate with the joint narrow V-belt 706 to drive another pulley 707 to rotate, and further drive the main shaft 104 to rotate. The main shaft 104 drives the connected drum 301, supporting wire mesh 302, and filter cloth 303 to rotate at high speed. Feed the material into the drum 301 through the short feed pipe 9 and the long feed pipe 10. The material passes through the third nozzle in the shape of a duckbill and is evenly sprayed onto the filter cloth 303 at one time. As the drum 301 rotates at high speed, the liquid in the material is separated. After the separation is completed, the scraper in the scraper assembly 803, under the push of the oil cylinder, scrapes off the material layer by layer within 10 seconds through the rotating drum 301, scraping off the filter cake formed after the material is dehydrated. The filter cake falls to the outside for collection, completing the solid-liquid separation; When it is necessary to clean the filter cloth 303 and the drum 301, inject water into the flushing pipe 8013. The water is sprayed onto the filter cloth 303 and the inner wall of the drum 301 through the first nozzle 8014. Along with the movement of the drum 301 and the filter cloth 303, the inner wall of the filter cloth 303 and the drum 301 can be cleaned.

[0037] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them.

Claims

1. A high-speed fully automatic vertical scraper centrifuge, comprising a bearing assembly (1), characterized in that: A machine base (2) for mounting the bearing assembly (1); A filtering device (3) connected to the bearing assembly (1) for filtering materials; A machine cover (4) provided on the top of the machine base (2); A solid-liquid switching device (5) provided below the machine base (2) for preventing the separated materials from entering water; A lubrication device (6) provided on the machine base (2) for lubricating the bearing assembly (1); A driving device (7) for driving the bearing assembly (1) to rotate; A cleaning device (8) for cleaning the filtering device (3).

2. The high-speed fully automatic vertical scraper centrifuge according to claim 1, characterized in that: The machine base (2) includes: A bottom plate housing (201) for mounting the bearing assembly (1); Vibration isolators (202) provided at the four corners of the bottom of the bottom plate housing (201); First spring washers (203) provided between the vibration isolators (202) and the bottom plate housing (201); First bolts (204) for connecting the vibration isolators (202) and the first spring washers (203) to the bottom plate housing (201).

3. The high-speed fully automatic vertical scraper centrifuge according to claim 2, characterized in that: The bearing assembly (1) includes: A main shaft (104) provided inside the bottom plate housing (201); A bearing bracket (108) connected inside the bottom plate housing (201); Bearings provided inside the bearing bracket (108), the bearings being composed of a bearing inner spacer (111), a bearing outer spacer (112), and balls provided between the bearing inner spacer (111) and the bearing outer spacer (112), the bearing inner spacer (111) being fixedly sleeved on the main shaft (104), and the bearing outer spacer (112) being fixedly connected to the bearing bracket (108); A nut cover (101) provided at the end of the main shaft (104); A round nut (102) provided at the end of the main shaft (104); A hydraulic nut (103) provided at the end of the main shaft (104); The nut cover (101) cooperates with the round nut (102) and the hydraulic nut (103) to connect the main shaft (104) to the filtering device (3); An upper wear-resistant ring (105) fixedly sleeved outside the main shaft (104); An upper cover (107) fixed on the top of the bottom plate housing (201); An oil seal cover plate (106) fixed inside the upper cover (107), the oil seal cover plate (106) being in contact with the upper wear-resistant ring (105); An upper bushing (109) fixedly sleeved outside the main shaft (104); A lower bushing (110) fixedly sleeved outside the main shaft (104); A lower cover (113) fixedly installed at the bottom of the bottom plate housing (201); The lower wear-resistant ring (114) is fixedly sleeved outside the main shaft (104), and the lower wear-resistant ring (114) is in contact with the lower cover (113); The pressure plate (115) is used to connect the main shaft (104) and the drive device (7).

4. The high-speed fully automatic vertical scraper centrifuge according to claim 3, characterized in that: The filtering device (3) includes: The drum (301) is sleeved outside the main shaft (104), and the nut cover (101) cooperates with the round nut (102) and the hydraulic nut (103) to connect the main shaft (104) and the drum (301); The support screen (302) is fixedly arranged on the inner wall of the drum (301); The filter cloth (303) is arranged on the inner wall of the support screen (302); The three-section tensioning ring (304) connects the filter cloth (303) and the support screen (302).

5. The high-speed fully automatic vertical scraper centrifuge according to claim 4, characterized in that: The solid-liquid switching device (5) includes: The frame body (502) is arranged below the bottom plate housing (201); The cover plate (501) is arranged on the top of the frame body (502); The frame (505) is connected inside the frame body (502); The liquid receiving frame (503) is slidably installed on the frame (505); The cylinder (504) is fixedly installed on one side of the frame body (502), and one end of the cylinder rod of the cylinder (504) is fixedly connected to the liquid receiving frame (503).

6. The high-speed fully automatic vertical scraper centrifuge according to claim 5, characterized in that: The lubrication device (6) includes: The oil pipe (601) is connected to the bottom plate housing (201), the end position of the oil pipe (601) corresponds to the position of the bearing, and the bottom end of the oil pipe (601) extends outside the bottom plate housing (201).

7. The high-speed fully automatic vertical scraper centrifuge according to claim 6, characterized in that: The drive device (7) includes: The motor (701) is arranged on the top of the bottom plate housing (201); The pulley (707) is respectively connected to the outside of the output shaft of the motor (701) and the outside of the main shaft (104); The jointed narrow V-belt (706) connects the two pulleys (707).

8. The high-speed fully automatic vertical scraper centrifuge according to claim 7, characterized in that: The cleaning device (8) includes: The drum washing pipe (801) is connected to the machine cover (4); The filter cake washing pipe (802) is connected to the machine cover (4); The scraper assembly (803) is connected to the machine cover (4); The side flushing pipe (804) is connected to the inner wall of the machine cover (4).

9. The high-speed fully automatic vertical scraper centrifuge according to claim 8, characterized in that: The top of the machine cover (4) is respectively connected with a short feed pipe (9) and a long feed pipe (10), and the short feed pipe (9) and the long feed pipe (10) extend into the drum (301).

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