Cleaning and screening device for bean supply of pulping machine

Abstract

The cleaning and screening device comprises a storage bin and a cleaning box, a discharging opening is formed in the lower portion of the storage bin, a bean-water separation assembly is arranged in the storage bin, the bean-water separation assembly is connected with a water inlet pipe through an elastic piece in a sliding mode, and the water inlet pipe is used for secondary washing of soybeans. A sand and stone separation assembly is fixed to one side of the storage bin, the sand and stone separation assembly and the bean and water separation assembly are provided with matched material guide pipes, the sand and stone separation assembly is connected with a material supply pump, and the material supply pump communicates with the cleaning box; according to the soybean and water separator, a soybean and water mixture can form a high-speed rotating vortex in the screening bin, gravel and soybeans can be rapidly and efficiently separated under the action of centrifugal force, the soybean and water separator can intermittently ascend and descend on the material plate, and effective soybean and water separation is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to soybean raw material processing equipment technical field, concretely relates to a kind of cleaning screeners for pulp grinder. BACKGROUND

[0002] In addition to making food from whole beans, soybean processing also has ways of processing protein and oil from its main components. Currently, the processing of soy products is mainly done by traditional methods by small and medium-sized units and individuals, which involves manually separating sand from soybeans, and then manually adding the soybeans to a pulp grinder for pulp residue separation, which is time-consuming and labor-intensive. Alternatively, a vacuum soybean lifting machine is used to lift manually washed soybeans above the pulp grinder, which is also time-consuming and labor-intensive.

[0003] After searching, a patent with publication number CN 210248303 U discloses a soybean sand separation and cleaning lifting all-in-one machine, which includes a sand and stone separator, a bean and water separator, and a soaking pool. A sewage pump is arranged in the soaking pool. The top of the sand and stone separator is provided with a cover, and a discharge pipe is arranged in the middle of the cover and communicates with the inner cavity of the sand and stone separator. A sand discharge opening is arranged at the bottom end of the sand and stone separator. A sidewall of the sand and stone separator is provided with an inlet pipe. The inlet pipe is connected to the discharge opening of the sewage pump through a steel wire hose. The bean and water separator is a cylindrical structure with a soybean discharge opening at the bottom. An annular screen plate is welded and fixed inside the bean and water separator. The annular screen plate and the inner wall of the bean and water separator form a drainage cavity. A drainage pipe is arranged at the bottom end of the side surface of the drainage cavity. The drainage pipe is connected to the soaking pool through a steel wire hose to realize water circulation.

[0004] However, the device still has the following problems in use. When the height of the beans entering the tank reaches the height of the screen, the separation ability of the water will decrease due to the height of the beans. At this time, a part of the water flow will flow to the center and enter the pulp grinder through the transmission effect of the beans. In addition, the flow rate of the sand and stone separator has certain requirements during sand and stone separation. When the flow rate is low, it is difficult to form a vortex, which may cause incomplete sand and stone separation. SUMMARY

[0005] To solve the problems of easy entry of soybean soaking water into the pulp grinder and incomplete sand and stone separation in the prior art, a cleaning screen for a pulp grinder is provided to solve the problems of easy entry of soybean soaking water into the pulp grinder and incomplete sand and stone separation.

[0006] The technical solution adopted by the utility model to solve the technical problems is as follows:

[0007] The utility model provides a kind of cleaning and screening device for bean of pulp grinder, including storage bin and cleaning tank, the lower portion of the storage bin is provided with discharge port, bean water separation assembly is provided in the storage bin, the bean water separation assembly is slidably connected with water inlet pipe for secondary flushing of soybean by elastic member, one side of the storage bin is fixed with sandstone separation assembly, the sandstone separation assembly is provided with cooperating material guide pipe with the bean water separation assembly, the sandstone separation assembly is connected with feed pump, the feed pump is communicated with the cleaning tank.

[0008] Preferably, the sandstone separation assembly includes a sieve bin in the shape of an inverted cone, a matching spiral flow guide plate is fixed inside the sieve bin, the sieve bin is fixed with a feed pipe, the cutting angle of the feed pipe matches any cutting line of the spiral flow guide plate, and the other end of the feed pipe is connected to the feed pump.

[0009] Preferably, a cover is provided above the sieve bin, a material guide pipe that is communicated with the sieve bin is fixed at the center of the cover, the other end outlet of the material guide pipe cooperates with the bean water separation assembly, and a valve is provided below the sieve bin.

[0010] Preferably, the bean water separation assembly includes a filter plate, a water collection bin is provided below the filter plate, a material plate is vertically slidably connected to the filter plate, and the material plate is connected to the storage bin by an elastic member.

[0011] Preferably, a guide pipe is fixed above the material plate, a spray head for secondary flushing of soybean is provided below the guide pipe, the guide pipe is slidably connected with a sleeve by an elastic member, the upper end of the sleeve is fixed in the storage bin, the guide pipe is fixedly connected with a water inlet pipe, and the guide pipe is provided with a via hole that cooperates with the water inlet pipe.

[0012] Preferably, the storage bin is rotatably connected with a rotating shaft, the rotating shaft is fixed with a cam, and the upper end surface of the cam cooperates with the material plate.

[0013] Preferably, the upper end of the rotating shaft is connected with a motor, the motor is fixedly connected with the storage bin, and the lower end of the rotating shaft is fixed with a spiral discharge plate that cooperates with the lower discharge port of the storage bin.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. By providing a spiral flow guide plate in the sieve bin, the bean water and sandstone to be separated can form a high-speed rotating vortex under the cooperation of water flow rate and the spiral flow guide plate after entering the sieve bin, and the sandstone is separated from the soybean quickly and efficiently under the action of centrifugal force.

[0016] 2. By cooperating with the material plate and the filter plate, and with the cam, the material plate rises and falls intermittently, which can effectively separate soybean water and reduce the moisture content of soybeans in the storage silo.

[0017] 3. By using the inlet pipe, sleeve, and guide tube in combination, the spraying can be paused when the material plate is lifted upwards, thus saving water. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0021] Figure 3 This is a three-dimensional schematic diagram of the material plate and filter plate of this utility model;

[0022] Figure 4 This utility model Figure 2 Internal structure diagram at point A;

[0023] Figure 5 This is a schematic diagram showing the positional relationship between the screening chamber and the feed pipe in this utility model;

[0024] Figure 6 This is a three-dimensional structural diagram of the cam in this utility model;

[0025] Figure 7 This is a three-dimensional structural diagram of the material plate in this utility model.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Storage bin; 2. Rotating shaft; 3. Cam; 4. Motor; 5. Spring; 6. Sleeve; 7. Guide tube; 8. Nozzle; 9. Feed pipe; 10. Screening bin; 11. Feed pipe; 12. Spiral guide plate; 13. Water collection bin; 14. Filter plate; 15. Material plate; 16. Spiral discharge plate; 17. Wastewater tank; 18. Washing tank; 19. Feed pump; 20. Square hole; 21. Valve; 22. Through hole; 23. Water inlet pipe;

[0028] 15. Material plates: short vertical plate ①, long vertical plate ②, horizontal plate ③. Detailed Implementation

[0029] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0030] Example 1:

[0031] like Figure 1 - Figure 7 As shown in the figure, this embodiment proposes a soybean washing and screening device for a grinder, including a storage chamber 1 and a washing tank 18. The storage chamber 1 is inverted cone shape, and a discharge port is provided at the bottom of the storage chamber 1. The grinder is located below the discharge port. The washing tank 18 contains enough water to participate in the operation of the entire device, and can also be used for soaking soybeans, and facilitates the removal of light floating impurities.

[0032] Furthermore, the storage chamber 1 is rotatably connected to a rotating shaft 2, and a motor 4 is connected to the upper end of the rotating shaft 2. The motor 4 is fixedly connected to the storage chamber 1, and a spiral discharge plate 16 that cooperates with the lower discharge port of the storage chamber 1 is fixed to the lower end of the rotating shaft 2. When the motor 4 rotates, it can drive the spiral discharge plate 16 to rotate, and the soybeans in the storage chamber 1 are conveyed to the grinding machine below through the spiral plate of the spiral discharge plate 16.

[0033] Specifically, motor 4 is a mature product on the market, equipped with a start / stop switch and power supply, which enables motor 4 to work intermittently.

[0034] The storage chamber 1 is equipped with a soybean water separation component, which includes a filter plate 14. The filter plate 14 is fixed in an inclined position inside the storage chamber 1. The lower part of the filter plate 14 is enclosed by an auxiliary plate fixed on the storage chamber 1 to form a water collection chamber 13. A water outlet pipe is provided at the lowest point of the water collection chamber 13 to discharge the wastewater filtered by the filter plate 14.

[0035] Furthermore, the outlet pipe of the water collection tank 13 is connected to the wastewater tank 17, which is used for wastewater storage.

[0036] Furthermore, to better conserve water, the wastewater tank 17 integrates a filtration function, which is a mature product on the market. The filtered water can meet the standards for domestic water use. The filtered water can be pumped into the cleaning tank 18 for washing and soaking soybeans, or it can be used for other domestic purposes such as watering flowers.

[0037] The filter plate 14 is vertically and slidingly connected with the material plate 15, the upper portion of the material plate 15 is fixed with the guide pipe 7, the lower portion of the guide pipe 7 is provided with the nozzle 8 for the secondary washing of the soybeans, the guide pipe 7 is slidingly connected with the sleeve 6 through the elastic element, the elastic element is the spring 5, one end of the spring 5 is connected with the sleeve 6, the other end of the spring 5 is connected with the guide pipe 7, the upper end of the sleeve 6 is fixed in the storage bin 1, the sleeve 6 is fixedly connected with the water inlet pipe 23, the guide pipe 7 is provided with the through hole 22 matched with the water inlet pipe 23.

[0038] Specifically, as shown in Figure 2 , Figure 3 , Figure 7 , the material plate 15 comprises the short vertical plate ①, the long vertical plate ② and the horizontal plate ③, wherein the short vertical plate ① is close to the axis of the storage bin 1, the long vertical plate ② is close to the side wall of the storage bin 1, and the lower end of the long vertical plate ② extends into the water collecting bin 13, and the long vertical plate ② is provided with the square hole 20 for the passage of the soybeans.

[0039] Specifically, after the material plate 15 is lowered, the short vertical plate ① of the material plate 15 cooperates with the filter plate 14, so that the soybeans are intercepted by the short vertical plate ①, and the soybeans are located below the nozzle 8, at the same time, the square hole 20 of the long vertical plate ② can cooperate with the filter plate 14, so that the soybeans located between the long vertical plate ② and the side wall of the storage bin 1 continuously roll down to the lower portion of the nozzle 8 through the square hole 20, the nozzle 8 sprays clean water downward for the secondary washing of the soybeans, and the washed water falls to the water collecting bin 13 through the filter plate 14.

[0040] Specifically, when the material plate 15 is raised, the short vertical plate ① of the material plate 15 is away from the filter plate 14, so that the soybeans located below the nozzle 8 slide into the storage bin 1, the soybeans need to roll on the filter plate 14 for a sufficient distance before falling into the storage bin 1, so that the water used for the secondary washing can fall to the water collecting bin 13 through the filter plate 14, thereby avoiding that the washing water enters the grinding machine through the discharge opening of the storage bin 1, at the same time, the long vertical plate ② is also raised synchronously, so that the square hole 20 is also raised, the solid plate below the long vertical plate ② is raised to be higher than the filter plate 14, the soybeans between the long vertical plate ② and the side wall of the storage bin 1 are isolated between the long vertical plate ② and the side wall of the storage bin 1, the soybeans located below the nozzle 8 between the short vertical plate ① and the long vertical plate ② slide into the storage bin 1 after the secondary washing, at the same time, the soybeans not subjected to the secondary washing are intercepted between the long vertical plate ② and the side wall of the storage bin 1, thereby better realizing the separation of the soybeans and water.

[0041] Specifically, when the material plate 15 is lowered to the lowest point under the action of the spring 5, the through hole 22 is communicated with the water inlet pipe 23 fixed on the sleeve 6, the clean water in the water inlet pipe 23 enters the guide pipe 7 through the through hole 22 and is sprayed through the nozzle 8.

[0042] Specifically, when the material plate 15 moves upward and compresses the spring 5, the through hole 22 is misaligned with the water inlet pipe 23 when the material plate 15 moves upward to the highest point, at which time the spray head 8 stops spraying to save water, and at the same time, the soybeans that have been cleaned twice between the short vertical plate ① and the long vertical plate ② have enough time to roll into the storage bin 1, better draining the cleaning water, and avoiding the cleaning water and the soybeans entering the grinding machine.

[0043] Specifically, the water inlet pipe 23 is connected with a water supply mechanism for secondary cleaning of soybeans, which is a mature market product and is not shown.

[0044] Further, in order to better cooperate with the grinding machine feeding of the storage bin 1, the rotating shaft 2 is fixed with a cam 3, the cam 3 is an end face cam, the upper end face of the cam 3 cooperates with the material plate 15, so that the material plate 15 realizes intermittent rising and falling under the cooperation of the spring 5, and the soybean-water separation has enough time.

[0045] Further, in order to better realize the separation of soybean and water, the material plate 15 can be ensured to be in a descending state when the motor 4 stops working each time.

[0046] The storage bin 1 is fixed with a screening bin 10 on one side of the filter plate 14, the screening bin 10 is inverted conical, a cover is arranged above the screening bin 10, the center of the cover is fixed with a material guide pipe 9 in communication with the screening bin 10, the material guide pipe 9 is inverted U-shaped, the other end of the material guide pipe 9 is in communication with the storage bin 1 and located above the filter plate 14, a valve 21 is arranged below the screening bin 10, a matching spiral flow guide plate 12 is fixed in the screening bin 10, the screening bin 10 is fixed with a feeding pipe 11, the cutting angle of the feeding pipe 11 matches any cutting line of the spiral flow guide plate 12, the other end of the feeding pipe 11 is connected with a feeding pump 19, and the feeding pump 19 is in communication with the cleaning tank 18.

[0047] Specifically, the other end of the material guide pipe 9 penetrates through the side wall of the storage bin 1 and is located between the long vertical plate ② of the material plate 15 and the side wall of the storage bin 1 and above the filter plate 14.

[0048] Specifically, the inlet end of the feeding pump 19 is in communication with the cleaning tank 18 through an auxiliary pipeline, so as to facilitate the soybeans soaked in the cleaning tank 18 to be sucked into the feeding pump 19, and the outlet end of the feeding pump 19 is in communication with the feeding pipe 11, so as to facilitate the soybeans sucked into the feeding pump 19 to enter the screening bin 10 through the feeding pipe 11.

[0049] Specifically, the feeding pipe 11 is located on the side wall of the screening bin 10, and the outlet of the feeding pipe 11 in the screening bin 10 can cooperate with the spiral flow guide plate 12.

[0050] Specific, feed pump 19 will be soaked from the soybean washing tank 18 into the sieve bin 10 after the inlet pipe 11, inlet pipe 11 in the sieve bin 10 outlet can be matched with the spiral guide plate 12, into the sieve bin 10 containing sand and soybean under the action of spiral guide plate 12, and the auxiliary cover above the sieve bin 10, containing sand and soybean in the sieve bin 10 with water in the rotation downward movement, because the sieve bin 10 is inverted cone type, and the specific gravity of sand is greater than the specific gravity of soybean, so the sand is in the outer circumference of the sieve bin 10 and the bottom, and the soybean is under the action of water buoyancy, when the rotation centrifugal reaches the bottom of the sieve bin 10, a rotating upward fluid is formed by the middle upward rotation, and enters the storage bin 1 through the guide pipe 9 in the middle of the cover into the filter plate 14, and the soybean water separation is completed.

[0051] Specific, when the sand is separated in the sieve bin 10, and the soybean is soaked, containing a certain amount of water, therefore, the stone beans formed by the soybean after soaking have a specific gravity greater than that of normal water-containing soybean, and can be separated when the soybean and water rotate downward in the sieve bin 10, and the stone beans remain in the sieve bin 10.

[0052] Specific, the sand in the sieve bin 10 is finally enriched at the bottom under the action of the spiral guide plate 12, and the sand separated out of the sieve bin 10 can be discharged by opening the valve 21.

[0053] Specific, the valve 21 is a mature product in the market, which can be selected according to the design requirements.

[0054] Specific, in order to better separate the sand from the soybean and avoid damage to the feed pump caused by the contained sand, the feed pump 19 is a three-leaf pump, which is a mature product in the market and can be selected according to the requirements, the feed pump 19 is connected with a power supply and is equipped with a start-stop switch, which can start and stop work as needed, and the power supply and the start-stop switch are mature products in the market, which are not shown in the figure.

[0055] Three-leaf pump, also known as three-leaf rotor pump, is a positive displacement pump, which generates suction (vacuum) at the inlet by two synchronous counter-rotating rotors in the rotation process, thereby sucking the material to be transported. Three-leaf rotor pump has small volume, large flow, high lift pressure, is suitable for long distance and high resistance quantitative conveying, especially suitable for conveying process which is easy to foam and conveying high viscosity, concentration and containing particles medium, the material transported by it keeps the original quality unchanged and does not have any chemical reaction, the conveying flow can be accurately controlled and can be used as a metering pump.

[0056] The working principle and use process of the utility model are as follows:

[0057] S1: put the soybean to be separated into the washing tank 18, and add enough clean water to remove the light impurities floating on the top.

[0058] S2: the feed pump 19 is started, the feed pump 19 sucks the soybean and water mixture containing sand in the cleaning tank 18 into the screening bin 10 through the feed pipe 11, and the soybean and water mixture is guided into the storage bin 1 through the guide pipe 9 and falls between the long vertical plate ② of the filter plate 15 and the sidewall of the storage bin 1 after the separation of sand and soybean is completed under the action of the spiral guide plate 12.

[0059] S3: the soybean and water roll on the filter plate 14, under the action of the filter plate 14, the water flows to the water collecting bin 13 below, and the soybean is blocked by the short vertical plate ① of the filter plate 15 after passing through the square hole 20, at this time, the nozzle 8 sprays the soybean between the short vertical plate ① and the long vertical plate ② for secondary cleaning, and the water flows to the water collecting bin 13 below through the filter plate 14.

[0060] S4: when the mill needs to be fed, the motor 4 is started to rotate the spiral discharge plate 16, so that the soybean in the storage bin 1 enters the mill;

[0061] At the same time, the cam 3 rotates to make the filter plate 15 rise to the highest point and compress the spring 5, at this time, the through hole 22 is out of position with the water inlet pipe 23, so that the nozzle 8 stops spraying water, the short vertical plate ① of the filter plate 15 is away from the filter plate 14, and the soybean rolls down to the storage bin 1 along the filter plate 14, at the same time, the soybean rolls a certain distance on the filter plate 14, so that the secondary cleaning water can also flow to the water collecting bin 13;

[0062] At the same time, the long vertical plate ② of the filter plate 15 rises synchronously, so that the soybean and water mixture guided through the guide pipe 9 is intercepted between the long vertical plate ② and the sidewall of the storage bin 1, and the soybean and water are separated, so that the water flows to the water collecting bin 13;

[0063] The sewage in the water collecting bin 13 flows to the sewage tank 17 through the pipeline, and is recycled after being filtered by the sewage tank 17.

[0064] S5: when the cam 3 continues to rotate and the filter plate 15 moves downward to the lowest point under the cooperation of the cam 3 and the spring 5, the short vertical plate ① of the filter plate 15 recontacts the filter plate 14, so that the long vertical plate ② and the sidewall of the storage bin 1 are reblocked by the short vertical plate ① of the filter plate 15 after the soybean passes through the square hole 20, so that the soybean is located between the short vertical plate ① and the long vertical plate ② of the filter plate 15, at this time, the through hole 22 and the water inlet pipe 23 are reconnected, so that the soybean between the short vertical plate ① and the long vertical plate ② is subjected to secondary cleaning.

[0065] S6: when the mill is filled with enough soybean, the motor 4 stops working, at this time, the filter plate 15 is located at the lowest end of the downward movement, the soybean is kept blocked below the nozzle 8, and step S3 is repeated.

[0066] S7: After a certain time, open the valve 21, and take out the sand and gravel gathered in the screening bin 10.

[0067] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A pulp mill cleaning and sizing device for beans, comprising a storage bin (1) and a cleaning tank (18), the storage bin (1) being provided with a discharge opening at the bottom, characterized in that: The soybean water separation assembly is slidably connected with a water inlet pipe (23) for secondary flushing of soybeans through an elastic member.

2. The refiner stock washer screen according to claim 1, characterized in that: The sandstone separation assembly is connected with a feed pump (19), and the feed pump (19) is communicated with the cleaning tank (18).

3. The refiner stock washer screen of claim 2, wherein: The upper portion of the screening bin (10) is provided with a cover, the center of the cover is fixed with a material guide pipe (9) communicated with the screening bin (10), the other end outlet of the material guide pipe (9) is matched with the soybean water separation assembly, and the lower portion of the screening bin (10) is provided with a valve (21).

4. The refiner stock washer screen of claim 1, wherein: The soybean water separation assembly comprises a filter plate (14), the lower portion of the filter plate (14) is provided with a water collecting bin (13), the filter plate (14) is vertically and slidably connected with a material plate (15) capable of intermittently discharging materials, and the material plate (15) is connected with the storage bin (1) through an elastic member.

5. The refiner stock washer screen of claim 4, wherein: The upper portion of the material plate (15) is fixed with a guide pipe (7), the lower portion of the guide pipe (7) is provided with a spray head (8) for secondary flushing of soybeans, the guide pipe (7) is slidably connected with a sleeve (6) through an elastic member, the upper end of the sleeve (6) is fixed in the storage bin (1), the sleeve (6) is fixedly connected with a water inlet pipe (23), and the guide pipe (7) is provided with a through hole (22) matched with the water inlet pipe (23).

6. The refiner stock washer screen of claim 4, wherein: The storage bin (1) is rotatably connected with a rotating shaft (2), the rotating shaft (2) is fixed with a cam (3), and the upper end surface of the cam (3) is matched with the material plate (15).

7. The refiner stock washer screen of claim 6, wherein: The upper end of the rotating shaft (2) is connected with a motor (4), the motor (4) is fixedly connected with the storage bin (1), the lower end of the rotating shaft (2) is fixed with a spiral discharging plate (16) matched with the lower discharging port of the storage bin (1).

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