CN211141769U - Waste water treatment device in corn starch production - Google Patents

Abstract

The utility model discloses a effluent treatment plant in cornstarch production, including the rectangle and the solid device body, waste water treatment chamber and disengagement chamber have been seted up extremely down to interior follow of device, disengagement chamber's inner wall is fixed with the separation net, the upper end of separation net is equipped with the activated carbon layer, the separation net separates disengagement chamber from top to bottom for holding back chamber and liquid phase transfer chamber, the both sides inner wall that waste water treatment chamber is relative is fixed with positive plate and negative plate respectively, the common electric connection of positive plate and negative plate has DC power supply unit. The utility model discloses a mode of little electrolysis carries out the redox reaction to the organic matter in the waste water, handles organic pollutant to ferric ion, ferrous ion that the electrolysis that produces because of the electrolysis form ferric hydroxide, ferrous hydroxide polymer through hydrolysis, polymerization, exist with the colloid form, have deposit, flocculation and adsorption, flocculate with the pollutant together and produce the sediment, get rid of the organic matter of aquatic.

Description

Waste water treatment device in corn starch production

Technical Field

The utility model relates to a food processing technology field especially relates to a effluent treatment plant in corn starch production.

Background

In the process of mass production of corn starch, a large amount of waste water is generated, the COD concentration of the waste water pollutant is high, the main components of the waste water comprise suspended granular gluten, a small amount of starch and fiber particles, and the direct discharge causes serious pollution to the environment. At present, a chemical method is generally adopted for sedimentation, and harmful substances are discharged after sedimentation, but the treatment mode can cause secondary pollution to the environment due to large chemical reagent amount.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art and providing a waste water treatment device in the production of corn starch.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wastewater treatment device in corn starch production comprises a rectangular and solid device body, wherein a wastewater treatment cavity and a separation cavity are sequentially arranged in the device body from top to bottom, a separation net is fixed on the inner wall of the separation cavity, an activated carbon layer is arranged at the upper end of the separation net, the separation net divides the separation cavity into a interception cavity and a liquid phase transfer cavity from top to bottom, a positive plate and a negative plate are respectively fixed on the inner walls of two opposite sides of the wastewater treatment cavity, the positive plate and the negative plate are electrically connected with a direct current power supply device together, the direct current power supply device is fixed on the outer side of the device body, a cleaning device is arranged in the wastewater treatment cavity and above the positive plate and the negative plate respectively, a conveying pump is fixedly arranged at the upper end of the device body, the input end of the conveying pump is connected with a feeding pipe, the output end of the conveying pump is connected with a discharging pipe, and one end of the, interior diapire right side intercommunication in waste water treatment chamber has the waste material exit tube, and installs the solenoid valve in the waste material exit tube, liquid phase waste material export has been seted up to the left side inner wall in liquid phase transfer chamber.

Preferably, cleaning device includes the vertical hydraulic stem that runs through waste water treatment intracavity roof, the flexible end fixedly connected with scraper blade of hydraulic stem, two the back of the body one side of carrying on the back of the body of scraper blade is laminated with positive plate, negative plate respectively.

Preferably, the interior roof of waste water treatment chamber is equipped with the mixing piece, one side fixed mounting of the device body has the motor, and the motor is connected with the mixing piece transmission.

Preferably, the mixing part consists of a stirring shaft and U-shaped stirring rods which are symmetrically and fixedly connected to the outer wall of the stirring shaft, and the stirring shaft is vertically and rotatably connected with the inner top wall of the wastewater treatment cavity.

Preferably, the inner bottom surface of the wastewater treatment cavity is an inclined surface with the left end facing upwards and the right end facing downwards.

Preferably, the scraper is made of an insulating material.

Compared with the prior art, this effluent treatment plant in cornstarch production's advantage lies in:

1. the utility model discloses a mode of little electrolysis carries out the redox reaction to the organic matter in the waste water, handles organic pollutant to ferric ion, ferrous ion that the electrolysis that produces because of the electrolysis form ferric hydroxide, ferrous hydroxide polymer through hydrolysis, polymerization, exist with the colloid form, have deposit, flocculation and adsorption, flocculate with the pollutant together and produce the sediment, get rid of the organic matter of aquatic.

2. Sediment, colloidal solid, a small amount of soluble and insoluble impurity in the waste water are adsorbed by the activated carbon layer, and large granule impurity then can be held back in the separation net upper end, and the waste water of no impurity alright gets into the liquid phase transfer intracavity through the separation net to flow out from liquid phase waste outlet.

3. The hydraulic rod can drive the scraper blade to vertically move downwards, so that waste materials attached to the surface of the electrode plate are scraped, and the influence on the electrolysis effect caused by continuous attachment is avoided.

Drawings

FIG. 1 is a front perspective view of a wastewater treatment device in corn starch production according to the present invention;

FIG. 2 is a perspective view of the top view of a part of a wastewater treatment device in corn starch production according to the present invention.

In the figure: the device comprises a device body 1, a wastewater treatment cavity 2, a separation net 3, a retention cavity 4, a liquid phase transfer cavity 5, a positive plate 6, a negative plate 7, a direct current power supply device 8, a mixing part 9, a motor 10, a hydraulic rod 11, a scraper 12, a delivery pump 13, a feed pipe 14, a discharge pipe 15, a waste discharge pipe 16, an activated carbon layer 17 and a liquid phase waste outlet 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a wastewater treatment device in corn starch production, comprising a rectangular and solid device body 1, a wastewater treatment chamber 2 and a separation chamber are sequentially arranged in the device body 1 from top to bottom, a separation net 3 is fixed on the inner wall of the separation chamber, an activated carbon layer 17 is arranged at the upper end of the separation net 3, it should be noted that an opening and closing window is arranged at the upper end of the separation net 3 of the device body 1 for cleaning large granular impurities and replacing the activated carbon layer 17, the separation net 3 divides the separation chamber into an interception chamber 4 and a liquid phase transfer chamber 5 from top to bottom, positive plates 6 and negative plates 7 are respectively fixed on the inner walls at two opposite sides of the wastewater treatment chamber 2, the positive plates 6 and the negative plates 7 are electrically connected with a direct current power supply device 8 together, the direct current power supply device 8 is fixed on the outer side of the device body 1, a cleaning device is respectively arranged in the wastewater treatment chamber 2 and above the positive plates 6, the upper end fixed mounting of the device body 1 has delivery pump 13, the input of delivery pump 13 is connected with inlet pipe 14, the output of delivery pump 13 is connected with discharging pipe 15, and discharging pipe 15 is kept away from delivery pump 13's one end and runs through the device body 1 upper end and extend to waste water treatment chamber 2 in, waste water treatment chamber 2's interior diapire right side intercommunication has waste material exit tube 16, and install the solenoid valve in the waste material exit tube 16, liquid phase transit chamber 5's left side inner wall has seted up liquid phase waste material export 18 in the liquid phase.

Cleaning device includes the vertical hydraulic stem 11 that runs through roof in the waste water treatment chamber 2, and the flexible end fixedly connected with scraper blade 12 of hydraulic stem 11, and scraper blade 12 adopts insulating material to make, and one side of carrying on the back mutually of two scraper blades 12 is laminated with positive plate 6, negative plate 7 mutually respectively, and after the processing, scraper blade 12 alright vertical downstream will attach the collection and strike off at the surperficial impurity of electrode.

Waste water treatment chamber 2's interior roof is equipped with mixing element 9, one side fixed mounting of the device body 1 has motor 10, and motor 10 is connected with the 9 transmissions of mixing element, mixing element 9 comprises (mixing) shaft and the U type puddler of symmetry fixed connection on the (mixing) shaft outer wall, and the vertical rotation of the interior roof of (mixing) shaft and waste water treatment chamber 2 is connected, motor 10 is gear motor, motor 10 takes the lower speed of transmission mixing element 9 to rotate, improve electrolytic iron hydroxide, the precipitation of ferrous hydroxide polymer, flocculation and adsorption effect.

The inner bottom surface of the wastewater treatment cavity 2 is an inclined surface with the left end upward and the right end downward, so that the treated wastewater can flow out through the waste outlet pipe 16.

The utility model discloses in, the delivery pump 13 pumps waste water into waste water treatment chamber 2 through inlet pipe 14 and discharging pipe 15, above-mentioned positive plate 6 all adopts iron to close carbon with negative plate 7 and makes, constitute anodal and the negative pole of galvanic cell, the waste water of pumping in is electrolyte solution, take place oxidation-reduction reaction, form galvanic cell, DC power supply unit 8 is electric connection rectifier on the commercial power that belongs to the alternating current promptly, to positive plate 6, let in the direct current in the route that waste water and negative plate 7 constitute, the electrode product of new ecology is active high, can take place oxidation-reduction reaction with the organic pollutant in the waste water, make its structural morphology change, thereby handle the organic pollutant in the waste water;

iron ions and ferrous ions generated by electrolysis are hydrolyzed and polymerized to form ferric hydroxide and ferrous hydroxide polymers, the ferric hydroxide and ferrous hydroxide polymers exist in a colloid form, the precipitation, flocculation and adsorption effects are realized, the ferric hydroxide and ferrous hydroxide polymers are flocculated together with pollutants to generate precipitates, organic matters in water are removed, meanwhile, under the action of an electric field around a primary battery, charged colloidal particles and impurities in wastewater are attached to the surface of an electrode through electrostatic attraction and surface energy, an electromagnetic valve can be opened after treatment is finished, on one hand, the precipitates, colloidal solids, a small amount of soluble and insoluble impurities in the wastewater are adsorbed by an activated carbon layer 17, large-particle impurities are intercepted at the upper end of a separation net 3, the wastewater without impurities can enter a liquid phase transfer cavity 5 through the separation net 3 and flow out from a liquid phase waste outlet 19, on the other hand, a hydraulic rod 11 can drive a scraper 12 to vertically move downwards so as to scrape the waste, avoiding the influence of continuous agglomeration on the electrolysis effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a waste water treatment device in corn starch production, includes the rectangle and solid device body (1), its characterized in that, from last waste water treatment chamber (2) and the disengagement chamber of having seted up in proper order down in the device body (1), the inner wall of disengagement chamber is fixed with separation net (3), the upper end of separation net (3) is equipped with activated carbon layer (17), separation net (3) is separated the disengagement chamber from top to bottom and is held back chamber (4) and liquid phase transfer chamber (5), the two opposite side inner walls of waste water treatment chamber (2) are fixed with positive plate (6) and negative plate (7) respectively, positive plate (6) and negative plate (7) common electric connection have DC power supply unit (8), and DC power supply unit (8) fix in the outside of device body (1), be provided with cleaning device in waste water treatment chamber (2) and respectively in the top of positive plate (6) and negative plate (7), the upper end fixed mounting of the device body (1) has delivery pump (13), the input of delivery pump (13) is connected with inlet pipe (14), the output of delivery pump (13) is connected with discharging pipe (15), and discharging pipe (15) keep away from the one end of delivery pump (13) and run through device body (1) upper end and extend to waste water treatment chamber (2) in, the inner bottom wall right side intercommunication of waste water treatment chamber (2) has waste material exit tube (16), and installs the solenoid valve in waste material exit tube (16), liquid phase waste material export (18) have been seted up to the left side inner wall of liquid phase transfer chamber (5).

2. The wastewater treatment device in the production of the corn starch as claimed in claim 1, wherein the cleaning device comprises a hydraulic rod (11) vertically penetrating through the inner top wall of the wastewater treatment chamber (2), a scraper (12) is fixedly connected to the telescopic end of the hydraulic rod (11), and the opposite sides of the two scrapers (12) are respectively attached to the positive plate (6) and the negative plate (7).

3. The wastewater treatment device in the production of the corn starch as claimed in claim 1, characterized in that the inner top wall of the wastewater treatment chamber (2) is provided with a mixing part (9), one side of the device body (1) is fixedly provided with a motor (10), and the motor (10) is in transmission connection with the mixing part (9).

4. The wastewater treatment device in the corn starch production as claimed in claim 3, characterized in that the mixing element (9) is composed of a stirring shaft and U-shaped stirring rods symmetrically and fixedly connected to the outer wall of the stirring shaft, and the stirring shaft is vertically and rotatably connected with the inner top wall of the wastewater treatment chamber (2).

5. The wastewater treatment device in the production of the corn starch as claimed in claim 1, wherein the inner bottom surface of the wastewater treatment chamber (2) is an inclined surface with the left end facing upwards and the right end facing downwards.

6. The wastewater treatment device in the production of the cornstarch as claimed in claim 2, characterized in that the scraper (12) is made of an insulating material.

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