A kind of fermented bean curd production wastewater treatment device

Abstract

The utility model discloses a fermented bean curd production wastewater treatment device, comprising a base column, the top of the base column is rotatably connected to a centrifugal cylinder, the centrifugal cylinder is driven to rotate by a driving mechanism installed on one side of the base column, a filter cylinder is provided at the center of the centrifugal cylinder, the top of the centrifugal cylinder is rotatably connected to a liquid inlet pipe, the liquid inlet pipe extends into the filter cylinder, and a solenoid valve located outside the filter cylinder is provided at the bottom of the centrifugal cylinder, and the solenoid valve can cooperate with a feeding component of a stationary mechanism; the device can actively and efficiently separate grease and water in fermented bean curd wastewater through a high-speed rotating centrifugal cylinder, the filter cylinder in the centrifugal cylinder can assist in collecting grease separated from the center, and the water separated from the outer layer is discharged into the stationary mechanism by the solenoid valve for stratified treatment, thereby achieving further separation of grease and avoiding adverse effects such as eutrophication and pollution of water bodies caused by wastewater discharge.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment equipment, in particular to a wastewater treatment device for fermented bean curd production. Background Art

[0002] Wastewater from fermented bean curd production mainly comes from bean soaking water, pulp and residue separation water, tofu pressing water, embryo pickling water, washing water of various process containers, ground washing water, bottle washing water, hot water after sterilization, cooling water, etc., as well as wastewater generated by product scrapping caused by breakage and lid jumping during the production process. These wastewaters contain a large amount of water-soluble non-protein nitrogen, stachyose, raffinose, water-soluble vitamins, minerals, and isoflavones and other pigment substances. If they are discharged directly without treatment, they will cause serious water pollution. The methods used in industry to treat these wastewaters include physical and chemical types. Among them, physical methods are mostly used in the pretreatment process. The principle is to remove larger suspended oil stains in the sewage through the screen, and then separate the oil and water through the static tank. This method has poor oil removal effect during screen separation, and the subsequent static tank takes a lot of time to complete, resulting in low oil-water separation efficiency, which affects the subsequent treatment process. A new type of wastewater treatment device is needed to solve the above problems. Utility Model Content

[0003] In order to solve the above problems, the utility model proposes a fermented bean curd production wastewater treatment device, including a base column, the top of the base column is rotatably connected to a centrifugal cylinder, the centrifugal cylinder is driven to rotate by a driving mechanism installed on one side of the base column, a filter cylinder is provided at the center of the centrifugal cylinder, the top of the centrifugal cylinder is rotatably connected to a liquid inlet pipe, the liquid inlet pipe extends into the filter cylinder, and an electromagnetic valve located outside the filter cylinder is provided at the bottom of the centrifugal cylinder, and the electromagnetic valve can cooperate with the feeding assembly of the static mechanism.

[0004] Furthermore, the static mechanism includes a static box, the interior of which is divided into a static pool and an oil pool by an overflow plate, drainage ports of the two pools are provided on both sides of the bottom of the overflow plate, a number of wave-breaking plates are provided in the static pool, a feed assembly is installed on the top of the static box, and the outlet of the feed assembly is located above the side of the static pool away from the overflow plate.

[0005] Furthermore, the feed assembly includes a funnel tube, the funnel tube funnel is vertically installed on the top of the static mechanism with the funnel facing upward, the bottom of the funnel tube is threadedly connected to the leak hole cover, and several layers of filter screens are arranged between the leak hole cover and the bottom of the funnel tube.

[0006] Furthermore, the driving mechanism includes a driving motor, which is installed on a bracket on one side of the base column. The gear at the output end of the driving motor is meshed with the gear plate at the bottom center of the centrifuge cylinder. After the central shaft rod at the bottom of the gear plate is inserted into the axial hole opened in the center of the top surface of the base column, it is rotatably connected to the base column through a bearing.

[0007] Furthermore, the bottom of the filter cylinder is inserted into the countersunk hole in the center of the bottom surface of the centrifugal cylinder, the top of the filter cylinder passes through the circular hole on the top surface of the centrifugal cylinder, the flange of the filter cylinder body is connected to the top surface of the centrifugal cylinder by bolts, the top of the filter cylinder is rotatably connected to the liquid inlet pipe through a bearing, and the filter of the filter cylinder body gradually becomes denser from top to bottom.

[0008] Furthermore, a positioning sensor is provided at the bottom of the centrifugal drum, the positioning sensor cooperates with the receiver position at the top of the static mechanism, and the positioning sensor and the solenoid valve are electrically connected to the electric slip ring on the base column.

[0009] The beneficial effects of the utility model are as follows: the utility model can actively and efficiently separate the oil and water in the fermented bean curd wastewater through the high-speed rotating centrifugal drum, the filter drum in the centrifugal drum can assist in collecting the oil separated from the center, the filter drum can be drawn out of the centrifugal drum for cleaning, and the water separated from the outer layer enters the feed assembly through the solenoid valve for re-filtration, and finally is discharged into the static mechanism for stratification treatment, thereby achieving further separation of oil and fat and avoiding adverse effects such as eutrophication and pollution of water bodies caused by wastewater discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a front view structural schematic diagram of the utility model;

[0011] Figure 2 for Figure 1 A partial enlarged view of area A.

[0012] The description of the accompanying drawings is as follows: 1. Base column; 2. Centrifugal cylinder; 201. Gear plate; 3. Filter cylinder; 301. Flange; 4. Liquid inlet pipe; 5. Solenoid valve; 6. Still box; 601. Overflow plate; 602. Drain port; 603. Wave-breaking plate; 7. Funnel tube; 8. Leakage hole cover; 9. Filter screen; 10. Drive motor; 11. Bracket; 12. Positioning sensor; 13. Receiver. DETAILED DESCRIPTION

[0013] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0014] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0015] The utility model is further described below in conjunction with the accompanying drawings:

[0016] like Figure 1 and Figure 2 As shown, a fermented bean curd production wastewater treatment device includes a base column 1, the top of the base column 1 is rotatably connected to a centrifugal drum 2, the centrifugal drum 2 is driven to rotate by a driving mechanism installed on one side of the base column 1, the driving mechanism includes a driving motor 10, the driving motor 10 is installed on a bracket 11 on one side of the base column 1, the output end gear of the driving motor 10 is meshed with a gear plate 201 at the bottom center of the centrifugal drum 2, the bottom center shaft of the gear plate 201 is inserted into the shaft hole opened in the center of the top surface of the base column 1, and is rotatably connected to the base column 1 through a bearing.

[0017] A filter cylinder 3 is provided at the inner center of the centrifugal cylinder 2. The bottom of the filter cylinder 3 is inserted into the countersunk hole at the center of the inner bottom surface of the centrifugal cylinder 2. The top of the filter cylinder 3 passes through the circular hole on the top surface of the centrifugal cylinder 2. The flange 301 of the filter cylinder 3 is connected to the top surface of the centrifugal cylinder 2 by bolts. The top of the filter cylinder 3 is rotatably connected to the liquid inlet pipe 4 by a bearing. The filter screen of the filter cylinder 3 gradually becomes denser from top to bottom.

[0018] In this embodiment, a solenoid valve 5 located outside the filter cylinder 3 is provided at the bottom of the centrifugal cylinder 2, and a positioning sensor 12 is provided at the bottom of the centrifugal cylinder 2. The positioning sensor 12 cooperates with the receiver 13 at the top of the static mechanism, and the positioning sensor 12 and the solenoid valve 5 are electrically connected to the electric slip ring on the base column 1. The solenoid valve 5 can stay above the funnel tube 7 of the feed assembly through the positioning sensor 12. The funnel tube 7 is vertically installed on the top of the static mechanism with the funnel facing upward. The bottom of the funnel tube 7 is threadedly connected to the leak cover 8, and a plurality of filter screen sheets 9 are provided between the leak cover 8 and the bottom of the funnel tube 7. The static mechanism includes a static box 6, and the interior of the static box 6 is divided into a static pool and an oil pool through an overflow plate 601. The bottom of the overflow plate 601 is provided with drainage ports 602 of the two pools, and a plurality of wave-breaking plates 603 are provided in the static pool. The leak cover 8 is located above the side of the static pool away from the overflow plate 601.

[0019] The working principle of the utility model is as follows:

[0020] The collected fermented bean curd production wastewater is injected into the filter cylinder 3 from the liquid inlet pipe 4, and the drive motor 10 is started to drive the centrifugal cylinder 2 to rotate. The wastewater is centrifugally separated in the cylinder, and the heavier water is filtered through the filter cylinder 3 and thrown to the outside of the filter cylinder 3, and the lighter oil is isolated in the filter cylinder 3. When the centrifugal separation is completed, the drive motor 10 is turned off, and the solenoid valve 5 stays just above the funnel tube 7 with the assistance of the positioning sensor 12. The solenoid valve 5 is opened, and the separated water falls into the funnel tube 7 for secondary filtration. The filtered water enters the still tank of the still box 6 for still stratification. After stratification, the lighter oil flows into the oil pool from the overflow plate 601 for collection, and the heavier water is discharged from the drain port 602 at the bottom of the still tank to the next treatment process.

[0021] The utility model can actively and efficiently separate the oil and water in the fermented bean curd waste water through the high-speed rotating centrifugal drum 2. The filter drum 3 in the centrifugal drum 2 can assist in collecting the oil separated from the center. The water separated from the outer layer is discharged into the static mechanism by the solenoid valve 5 for stratified treatment, thereby achieving further separation of the oil and water, and avoiding adverse effects such as eutrophication and pollution of the water body caused by wastewater discharge.

[0022] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A fermented bean curd production wastewater treatment device, comprising a base column (1), characterized in that: The top of the base column (1) is rotatably connected to a centrifugal cylinder (2), and the centrifugal cylinder (2) is driven to rotate by a driving mechanism installed on one side of the base column (1). A filter cylinder (3) is provided at the center of the interior of the centrifugal cylinder (2). The top of the centrifugal cylinder (2) is rotatably connected to a liquid inlet pipe (4), and the liquid inlet pipe (4) extends into the filter cylinder (3). A solenoid valve (5) located outside the filter cylinder (3) is provided at the bottom of the centrifugal cylinder (2), and the solenoid valve (5) can cooperate with a feed assembly of a stationary mechanism.

2. A fermented bean curd production wastewater treatment device according to claim 1, characterized in that: The static mechanism comprises a static box (6), the interior of the static box (6) being divided into a static pool and an oil pool by an overflow plate (601), drainage ports (602) of the two pools being provided on both sides of the bottom of the overflow plate (601), a plurality of wave-breaking plates (603) being provided in the static pool, a feed assembly being installed on the top of the static box (6), and an outlet of the feed assembly being located above a side of the static pool away from the overflow plate (601).

3. A fermented bean curd production wastewater treatment device according to claim 1, characterized in that: The feed assembly comprises a funnel tube (7), the funnel tube (7) being vertically mounted on the top of the stationary mechanism with the funnel facing upwards, the bottom of the funnel tube (7) being threadedly connected to a leak hole cover (8), and a plurality of layers of filter screens (9) being arranged between the leak hole cover (8) and the bottom of the funnel tube (7).

4. A fermented bean curd production wastewater treatment device according to claim 1, characterized in that: The driving mechanism comprises a driving motor (10), the driving motor (10) being mounted on a bracket (11) on one side of the base column (1), the output end gear of the driving motor (10) being meshed with a gear plate (201) at the bottom center of the centrifugal cylinder (2), and the central shaft at the bottom of the gear plate (201) being inserted into an axial hole opened at the center of the top surface of the base column (1), and then being rotationally connected to the base column (1) via a bearing.

5. The fermented bean curd production wastewater treatment device according to claim 1, characterized in that: The bottom of the filter cylinder (3) is inserted into the countersunk hole at the center of the inner bottom surface of the centrifugal cylinder (2), and the top of the filter cylinder (3) passes through the circular hole on the top surface of the centrifugal cylinder (2). The flange plate (301) of the filter cylinder (3) is connected to the top surface of the centrifugal cylinder (2) by bolts. The top of the filter cylinder (3) is rotatably connected to the liquid inlet pipe (4) by a bearing. The filter screen of the filter cylinder (3) gradually becomes denser from top to bottom.

6. A fermented bean curd production wastewater treatment device according to claim 1, characterized in that: The bottom of the centrifugal cylinder (2) is provided with a positioning sensor (12), the positioning sensor (12) cooperates with the position of a receiver (13) at the top of the static mechanism, and the positioning sensor (12) and the solenoid valve (5) are electrically connected to an electric slip ring on the base column (1).

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