CN213141691U

CN213141691U - electro-Fenton equipment for wastewater treatment

Info

Publication number: CN213141691U
Application number: CN202120646467.9U
Authority: CN
Inventors: 师新刚; 唐思良
Original assignee: Shandong Senyang Environmental Technology Co ltd
Current assignee: Shandong Senyang Environmental Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-05-07
Anticipated expiration: 2031-03-31

Abstract

The utility model relates to a wastewater treatment electro-Fenton device, which comprises a box body, wherein the inner cavity of the box body is divided into a pretreatment chamber on the left side and a reaction chamber on the right side by a partition plate, a cylindrical plug is arranged in a medicine outlet pipe in a vertical sliding manner, a spring is connected between the lower end of the medicine outlet pipe and a support plate, a plurality of eccentric wheels matched with the support plate are fixedly arranged on a cross shaft at uniform intervals, one end of the cross shaft extends into a water inlet pipe and is fixedly provided with an impeller, and a pressure pump is fixedly arranged on the water inlet pipe; the utility model discloses when waste water pours into the pretreatment chamber into through the inlet tube when indoor, thereby waste water strikes the impeller and drives the cross axle and rotate, when the one end of keeping away from the cross axle as the eccentric wheel rotates to the top of cross axle, drives the outside that feed liquor hole part upwards exposes out the pencil to make the medicament intermittent type nature in the dosing tank pour into the pretreatment chamber into.

Description

electro-Fenton equipment for wastewater treatment

Technical Field

The utility model relates to a waste water treatment technical field, concretely relates to waste water treatment electro-Fenton equipment.

Background

With the rapid development of industry, the discharge of a large amount of industrial wastewater poses serious threats to human survival, especially organic wastewater which is difficult to biochemically generate, so that the search for an effective treatment method is an urgent problem to be solved. At present, the reduction of the electric power cost makes the electro-Fenton become possible as a high-difficulty wastewater treatment device, and the electro-Fenton technology utilizes ferrous ions generated by a sacrificial anode, hydrogen peroxide generated by electrolysis and hydrogen peroxide added externally to form a Fenton reagent to achieve the effect of sewage treatment when the PH value is within the range of 2.5-3.5. The equipment reduces the dosage, reduces the operation cost and reduces the floor area of the sewage treatment equipment.

The pH value of waste water is adjusted to current electro-Fenton equipment generally all to add the medicament by manual work, and degree of automation is low and the human cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a waste water treatment electro-Fenton equipment is provided, automatic medicament in order to reduce the human cost when waste water pours into to solve the problem among the prior art.

In order to solve the technical problem, the technical scheme of the utility model is that: waste water treatment electro-Fenton equipment comprises a box body, wherein a partition plate is fixedly mounted in the box body, the partition plate divides an inner cavity of the box body into a pretreatment chamber on the left side and a reaction chamber on the right side, a water inlet pipe communicated with the pretreatment chamber is fixedly mounted on the left side of the box body, a water outlet pipe communicated with the reaction chamber is fixedly mounted on the right side of the box body, a dosing device is arranged in the pretreatment chamber, an anode electrode plate and a cathode electrode plate are arranged in the reaction chamber, a communicating pipe communicated with the pretreatment chamber and the reaction chamber is arranged at the lower end of the partition plate, and a water pump is arranged at one end, located in the pretreatment; the dosing device comprises a dosing box which is movably arranged at the top of the box body from left to right, a dosing pipe is fixedly arranged at the bottom of the dosing box, a long strip-shaped hole communicated with the pretreatment chamber is formed in the corresponding position of the top wall of the box body and the dosing pipe, the lower end of the dosing pipe extends into the pretreatment chamber through the long strip-shaped hole and can slide along the long strip-shaped hole, a cylindrical plug is arranged in the dosing pipe in a vertically sliding mode, a supporting plate is fixedly arranged at the lower end of the plug, and a spring used for enabling the upper end of the plug to be retracted into the dosing pipe is connected between the lower end of the dosing pipe and the supporting plate; a liquid through cavity is arranged in the plug, a strip-shaped liquid inlet hole communicated with the liquid through cavity is formed in one side of the upper end of the plug, and a liquid outlet hole communicated with the liquid through cavity is formed in one side of the lower end of the plug; extend about the inlet tube, the pre-treatment chamber internal rotation install with the cross axle of the coaxial setting of inlet tube, even interval fixed mounting on the cross axle have a plurality ofly with backup pad assorted eccentric wheel, a plurality of the diameter of eccentric wheel is all inequality, the one end of cross axle extends to in the inlet tube and fixed mounting have the impeller, fixed mounting has the force (forcing) pump on the inlet tube.

As a further improvement, when one end of the eccentric wheel far away from the transverse shaft rotates to the position below the transverse shaft, the eccentric wheel does not interact with the supporting plate; one ends of the eccentric wheels, which are far away from the transverse shaft, are all positioned on the same side of the transverse shaft.

As a further improvement, a rotating sleeve matched with the cross shaft is arranged in the water inlet pipe, the rotating sleeve is fixedly connected with the inner wall of the water inlet pipe through a connecting plate, and one end, far away from the impeller, of the cross shaft is rotatably connected onto the partition plate.

As a further improvement, the one end fixed mounting of inlet tube has and is located elbow in the pre-treatment chamber, the elbow is kept away from the one end downwardly extending of inlet tube is equipped with the confession on the elbow the hole of dodging that the cross axle passed.

As a further improvement, two screw rods extending left and right are oppositely arranged on the front and back of the top of the box body, the dosing box is located between the two screw rods, two supporting blocks are oppositely and fixedly mounted on the left and right of the top of the box body, the screw rods are rotatably mounted between the two supporting blocks through polished rods at the end parts, nuts matched with the screw rods are fixedly mounted on the front and back sides of the dosing box respectively, and a driving motor for driving the screw rods to rotate is fixedly mounted on one of the supporting blocks.

According to the technical scheme, the inner cavity of the box body is divided into the pretreatment chamber on the left side and the reaction chamber on the right side by the partition plate, the medicine outlet pipe is internally provided with the cylindrical plug in a vertical sliding mode, a spring is connected between the lower end of the medicine outlet pipe and the support plate, a plurality of eccentric wheels matched with the support plate are uniformly and fixedly arranged on the cross shaft at intervals, one end of the cross shaft extends into the water inlet pipe and is fixedly provided with the impeller, and the water inlet pipe is fixedly provided with the pressure pump;

when the waste water is injected into the pretreatment chamber through the water inlet pipe, the waste water impacts the impeller to drive the cross shaft to rotate, and when one end of the eccentric wheel, which is far away from the cross shaft, rotates to the upper part of the cross shaft, the liquid inlet hole part is driven to upwards expose the outer side of the medicine tube, so that the medicine in the dosing tank is intermittently injected into the pretreatment chamber, and the pretreatment chamber has the advantages of high automation degree and labor saving;

the utility model discloses a driving motor drives the lead screw and rotates, and the lead screw drives the dosing tank and removes, makes the backup pad remove to the top of different eccentric wheels to adjust the feed liquor hole and expose out the area in the pencil outside, thereby reach the purpose of the play dosage of adjusting the dosing tank, have the advantage that the dosage is convenient for adjust.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic sectional view A-A of the dosing box of FIG. 1;

FIG. 3 is a schematic view showing a portion of the inlet hole of the embodiment of the present invention exposed outside the cartridge;

FIG. 4 is an enlarged view of a portion I of FIG. 1;

fig. 5 is a schematic top view of fig. 1.

In the figure: 1-a box body; 2-a separator; 3-a pretreatment chamber; 4-a reaction chamber; 5-water inlet pipe; 6-water outlet pipe; 7-an anode electrode plate; 8-a cathode electrode plate; 9-communicating pipe; 10-dosing boxes; 11-a medicine outlet pipe; 12-elongated holes; 13-a plug; 14-a support plate; 15-a spring; 16-liquid through cavity; 17-liquid inlet hole; 18-liquid outlet holes; 19-horizontal axis; 20-eccentric wheel; 21-an impeller; 22-a pressure pump; 23-rotating the sleeve; 24-a connecting plate; 25-bending the pipe; 26-a screw rod; 27-a support block; 28-a nut; 29-a drive motor; 30-a water pump; 31-an aerator pipe.

Detailed Description

As shown in fig. 1-5, waste water treatment electro-fenton equipment, including box 1, fixed mounting has baffle 2 in box 1, baffle 2 will the inner chamber of box 1 is separated for being located left pre-treatment chamber 3 and being located the reaction chamber 4 on right side, the left side fixed mounting of box 1 have with inlet tube 5 that pre-treatment chamber 3 is linked together, the right side fixed mounting of box 1 have with outlet pipe 6 that reaction chamber 4 is linked together, be equipped with charge device in the pre-treatment chamber 3, be equipped with anode electrode board 7 and cathode electrode board 8 in the reaction chamber 4, the bottom of reaction chamber 4 still is equipped with aeration pipe 31, the lower extreme of baffle 2 is equipped with the intercommunication pre-treatment chamber 3 with the communicating pipe 9 of reaction chamber 4, communicating pipe 9 is located one end in pre-treatment chamber 3 is equipped with water pump 30.

During the use, at first pour into pretreatment chamber 3 with waste water into through inlet tube 5 in, then pour into the medicament into pretreatment chamber 3 in order to adjust the pH value of waste water through charge device, after medicament and waste water reaction finish, turn on water pump 30, go into reaction chamber 4 with the waste water in the pretreatment chamber 3 in through communicating pipe 9 pump, link to each other positive pole plate 7 with the positive pole of power, and link to each other negative pole plate 8 with the negative pole of power, the positive pole plate 7 of this embodiment is iron plate, under the effect of electrolysis positive pole plate 7 is by the oxidation and separates out ferrous ion, negative pole plate 8 is reduced and is formed a small amount of hydrogen peroxide solution reagent, thereby get rid of organic matter in the waste water, discharge waste water to next processing link can through outlet pipe 6 after the reaction finishes.

The dosing device comprises a dosing box 10 which is movably arranged at the top of the box body 1 from left to right, a dosing pipe 11 is fixedly arranged at the bottom of the dosing box 10, a long strip-shaped hole 12 communicated with the pretreatment chamber 3 is formed in the corresponding position of the top wall of the box body 1 and the dosing pipe 11, the lower end of the dosing pipe 11 extends into the pretreatment chamber 3 through the long strip-shaped hole 12 and can slide along the long strip-shaped hole 12, a cylindrical plug 13 is arranged in the dosing pipe 11 in a vertically sliding mode, a supporting plate 14 is fixedly arranged at the lower end of the plug 13, and a spring 15 used for enabling the upper end of the plug 13 to be retracted into the dosing pipe 11 is connected between the lower end of the dosing pipe 11 and the supporting plate 14; a liquid through cavity 16 is arranged in the plug 13, a long-strip-shaped liquid inlet hole 17 communicated with the liquid through cavity 16 is formed in one side of the upper end of the plug 13, and a liquid outlet hole 18 communicated with the liquid through cavity 16 is formed in one side of the lower end of the plug 13.

The water inlet pipe 5 extends leftwards and rightwards, a cross shaft 19 which is coaxial with the water inlet pipe 5 is rotatably mounted in the pretreatment chamber 3, a rotating sleeve 23 which is matched with the cross shaft 19 is arranged in the water inlet pipe 5, the rotating sleeve 23 is fixedly connected with the inner wall of the water inlet pipe 5 through a connecting plate 24, and one end, far away from the impeller 21, of the cross shaft 19 is rotatably connected to the partition plate 2; even interval fixed mounting has a plurality ofly on the cross axle 19 with backup pad 14 assorted eccentric wheel 20, it is a plurality of the diameter of eccentric wheel 20 is all inequality, the one end of cross axle 19 extends to in the inlet tube 5 and fixed mounting have impeller 21, fixed mounting has force (forcing) pump 22 on the inlet tube 5.

When the end of the eccentric 20 away from the transverse shaft 19 is rotated below the transverse shaft 19, the eccentric 20 does not interact with the supporting plate 14; the ends of the eccentric wheels 20 far away from the transverse shaft 19 are all positioned on the same side of the transverse shaft 19.

When the wastewater is not injected into the pretreatment chamber 3, as shown in fig. 1 and 2, the end of the eccentric wheel 20 away from the transverse shaft 19 rotates to the lower part of the transverse shaft 19 under the action of gravity, and the eccentric wheel 20 does not interact with the supporting plate 14; the elastic force of the spring 15 causes the upper end of the plug 13 to be drawn downwards into the medicine outlet pipe 11, and the side wall of the medicine outlet pipe 11 closes the liquid inlet hole 17, at this time, the medicine in the medicine adding box 10 cannot be discharged from the medicine outlet pipe 11.

When waste water is injected into the pretreatment chamber 3 through the water inlet pipe 5, the waste water in the water inlet pipe 5 is pressurized through the pressurizing pump 22, the waste water impacts the impeller 21 to drive the transverse shaft 19 to rotate, when the transverse shaft 19 drives one end of the eccentric wheel 20 far away from the transverse shaft 19 to rotate to the upper part of the transverse shaft 19, as shown in fig. 3, the eccentric wheel 20 positioned right below the supporting plate 14 pushes the supporting plate 14 to move upwards and compress the spring 15, the supporting plate 14 drives the plug 13 to move upwards, part of the liquid inlet hole 17 is exposed out of the medicine pipe 11 upwards, then the medicine in the dosing box 10 is discharged and injected into the pretreatment chamber 3 through the liquid inlet hole 17, the liquid through cavity 16 and the liquid outlet hole 18 in sequence, and the eccentric wheel 20 is continuously driven by the transverse shaft 19 to rotate so that the medicine in the dosing.

When the waste water stops injecting, the waste water does not drive the impeller 21 to rotate any more, one end of the eccentric wheel 20 far away from the transverse shaft 19 rotates to the lower part of the transverse shaft 19 again under the action of gravity, the upper end of the plug 13 is retracted into the medicine tube 11 again by the elastic force of the spring 15, and the medicines in the dosing box 10 are not discharged any more.

The one end fixed mounting of inlet tube 5 has and is located return bend 25 in the pre-treatment chamber 3, return bend 25 keeps away from the one end downwardly extending of inlet tube 5 is equipped with the confession on the return bend 25 the hole of dodging that 19 cross axles passed. The bent pipe 25 serves to prevent the waste water injected from the inlet pipe 5 from striking the eccentric 20 to increase the resistance of the rotation of the horizontal shaft 19.

The front and back of the top of the box body 1 are relatively provided with two screw rods 26 extending left and right, the dosing box 10 is positioned between the two screw rods 26, the left and right of the top of the box body 1 are relatively and fixedly provided with two supporting blocks 27, the screw rods 26 are rotatably arranged between the two supporting blocks 27 through polished rods at the end parts, nuts 28 matched with the screw rods 26 are respectively and fixedly arranged at the front and back sides of the dosing box 10, and a driving motor 29 for driving the screw rods 26 to rotate is fixedly arranged on one of the supporting blocks 27.

In this embodiment, the diameter of the eccentric wheel 20 on the horizontal shaft 19 gradually increases from left to right, the driving motor 26 drives the screw rod 26 to rotate, the screw rod 26 drives the dosing box 10 to move left and right through the nut 28 when rotating, the dosing box 10 drives the supporting plate 14 to move to the upper side of different eccentric wheels 20, and therefore the area of the liquid inlet hole 17 exposed out of the medicine tube 11 is adjusted, and the purpose of adjusting the medicine output amount of the dosing box 10 is achieved.

Specifically, the larger the diameter of the eccentric wheel 20 located right below the supporting plate 14 is, the larger the distance for pushing the supporting plate 14 to move upwards through the eccentric wheel 20 is, the larger the area of the liquid inlet hole 17 exposed out of the medicine outlet pipe 11 is, and the larger the medicine outlet amount is; conversely, the smaller the diameter of the eccentric 20 located directly below the supporting plate 14, the smaller the distance the supporting plate 14 is pushed upward by the eccentric 20, and the smaller the area of the liquid inlet hole 17 exposed outside the medicine outlet tube 11, the smaller the medicine outlet amount.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Waste water treatment electro-Fenton equipment which characterized in that: the chemical pretreatment device comprises a box body, wherein a partition plate is fixedly arranged in the box body, the partition plate divides an inner cavity of the box body into a pretreatment chamber on the left side and a reaction chamber on the right side, a water inlet pipe communicated with the pretreatment chamber is fixedly arranged on the left side of the box body, a water outlet pipe communicated with the reaction chamber is fixedly arranged on the right side of the box body, a chemical adding device is arranged in the pretreatment chamber, an anode electrode plate and a cathode electrode plate are arranged in the reaction chamber, a communicating pipe communicated with the pretreatment chamber and the reaction chamber is arranged at the lower end of the partition plate, and a water pump is arranged at one end of;

the dosing device comprises a dosing box which is movably arranged at the top of the box body from left to right, a dosing pipe is fixedly arranged at the bottom of the dosing box, a long strip-shaped hole communicated with the pretreatment chamber is formed in the corresponding position of the top wall of the box body and the dosing pipe, the lower end of the dosing pipe extends into the pretreatment chamber through the long strip-shaped hole and can slide along the long strip-shaped hole, a cylindrical plug is arranged in the dosing pipe in a vertically sliding mode, a supporting plate is fixedly arranged at the lower end of the plug, and a spring used for enabling the upper end of the plug to be retracted into the dosing pipe is connected between the lower end of the dosing pipe and the supporting plate; a liquid through cavity is arranged in the plug, a strip-shaped liquid inlet hole communicated with the liquid through cavity is formed in one side of the upper end of the plug, and a liquid outlet hole communicated with the liquid through cavity is formed in one side of the lower end of the plug;

extend about the inlet tube, the pre-treatment chamber internal rotation install with the cross axle of the coaxial setting of inlet tube, even interval fixed mounting on the cross axle have a plurality ofly with backup pad assorted eccentric wheel, a plurality of the diameter of eccentric wheel is all inequality, the one end of cross axle extends to in the inlet tube and fixed mounting have the impeller, fixed mounting has the force (forcing) pump on the inlet tube.

2. The wastewater treatment electro-fenton apparatus of claim 1, wherein: when one end of the eccentric wheel, which is far away from the transverse shaft, rotates to the position below the transverse shaft, the eccentric wheel does not interact with the supporting plate; one ends of the eccentric wheels, which are far away from the transverse shaft, are all positioned on the same side of the transverse shaft.

3. The wastewater treatment electro-fenton apparatus of claim 1, wherein: be equipped with in the inlet tube with cross axle assorted rotates the cover, rotate the cover through the connecting plate with the inner wall fixed connection of inlet tube, the cross axle is kept away from the one end rotation of impeller is connected on the baffle.

4. The wastewater treatment electro-fenton apparatus of claim 1, wherein: the one end fixed mounting of inlet tube has and is located elbow pipe in the pre-treatment chamber, the elbow pipe is kept away from the one end downwardly extending of inlet tube is equipped with the confession on the elbow pipe the hole of dodging that the cross axle passed.

5. The wastewater treatment electro-fenton apparatus of claim 1, wherein: the automatic feeding device is characterized in that two left and right extending screw rods are oppositely arranged on the front and back of the top of the box body, the dosing box is located between the two screw rods, two supporting blocks are oppositely and fixedly installed on the left and right of the top of the box body, the screw rods are rotatably installed between the two supporting blocks through polished rods at the end parts, nuts matched with the screw rods are fixedly installed on the front and back sides of the dosing box respectively, and a driving motor used for driving the screw rods to rotate is fixedly installed on one of the supporting blocks.