CN210150776U - Sedimentation tank for micro-electrolysis wastewater treatment - Google Patents
Sedimentation tank for micro-electrolysis wastewater treatment Download PDFInfo
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- CN210150776U CN210150776U CN201920970235.1U CN201920970235U CN210150776U CN 210150776 U CN210150776 U CN 210150776U CN 201920970235 U CN201920970235 U CN 201920970235U CN 210150776 U CN210150776 U CN 210150776U
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Abstract
The utility model belongs to the technical field of waste water electrolytic treatment, a sedimentation tank of little electrolytic treatment waste water is disclosed, include: a tank body; the two screw rods are symmetrically arranged in the tank body; the two driven gears are correspondingly arranged on one end of the screw rod extending out of the tank body; the two groups of packing boxes comprise a plurality of packing boxes filled with iron-carbon fillers, wherein one group of packing boxes is axially arranged on one screw rod, the other group of packing boxes is axially arranged on the other screw rod, and the two groups of packing boxes are arranged in a staggered manner; wherein, the middle part of the stuffing box coaxially penetrates through a sleeve, the sleeve is provided with a screw rod hole, and the screw rod hole is matched with the screw rod; the driven gear periodically changes the direction of rotation. In the process of staggered and reciprocating displacement of the two groups of packing boxes, staggered shearing force can be formed, so that wastewater exists in the iron-carbon packing in the forms of liquid films, liquid wires, liquid drops and the like, a very large surface area is formed, the mass transfer effect is accelerated, and the utilization rate of the iron-carbon packing is improved.
Description
Technical Field
The utility model belongs to the technical field of waste water electrolytic treatment, concretely relates to sedimentation tank of little electrolysis treatment waste water.
Background
The principle of the iron-carbon electrolysis of wastewater is very simple, that is, the potential difference between iron-carbon particles is utilized to form numerous fine galvanic cells, and the fine cells use carbon with low potential as a cathode and iron with high potential as an anode. The iron-carbon filler is prepared by sintering various raw materials such as iron, carbon, other metal catalyst activators and the like at high temperature. In the process of wastewater treatment, the wastewater is electrolyzed by generating a 1.2V potential difference by the self, and the working principle of the electrolysis-reduction device is that the wastewater is treated under the combined action of electrochemistry, oxidation-reduction, physical adsorption, flocculation and precipitation. Its main functions are to reduce cod and chroma of waste water, raise biodegradability of waste water and create conditions for further treatment.
The defects of the prior art are that the traditional micro-electrolysis process is generally a fixed bed (static bed), acid and alkali are added for activation before the iron filings and the charcoal are used, and the iron and carbon fillers are fixedly arranged, so that the iron filings and the charcoal are easily passivated in the use process, and the micro-electrolysis reaction is prevented from continuing due to the inert layer on the surface of the iron filings.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a sedimentation tank for micro-electrolysis wastewater treatment.
The utility model discloses the technical scheme who adopts does:
a sedimentation tank for micro-electrolysis treatment of wastewater comprises:
a tank body;
the two screw rods are symmetrically arranged in the tank body;
the two driven gears are correspondingly arranged on one end of the screw rod extending out of the tank body one by one, and are in external meshing connection;
the two groups of stuffing boxes comprise a plurality of stuffing boxes filled with iron-carbon stuffing, wherein the stuffing boxes of one group of stuffing boxes are axially arranged on one screw rod, the stuffing boxes of the other group of stuffing boxes are axially arranged on the other screw rod, and the two groups of stuffing boxes are arranged in a staggered manner;
the stuffing box is of an annular structure, the upper end of the stuffing box is provided with an opening, a sleeve is coaxially arranged in the middle of the stuffing box in a penetrating manner, a screw rod hole is formed in the sleeve, and the screw rod hole is matched with the screw rod;
the driven gear periodically changes the direction of rotation.
Furthermore, the device also comprises a cylinder body, a cam, an auxiliary push rod, a motor and a driving gear; the piston is arranged in the cylinder body in a matched mode, an elastic component is arranged between the piston and the cylinder body, a piston rod of the piston extends out of the cylinder body and is coaxially connected with the boosting rod, one end, far away from the piston rod, of the boosting rod is in contact with the cam, the cam is arranged on a transmission shaft of the motor, one side, facing the driving gear, of the boosting rod is provided with a group of teeth, the group of teeth are in meshed connection with the driving gear, and the driving gear is in transmission connection with one of the driven gears.
The piston rod of the piston extends out of the cylinder body and is coaxially connected with a long rod part of the T-shaped connecting rod;
one end of the crankshaft is coaxially arranged with a driving wheel of the motor, and the other end of the crankshaft is slidably arranged on the end head of the T-shaped connecting rod;
one side of the long rod portion facing the driving gear is provided with a group of teeth, the group of teeth are meshed with the driving gear, and the driving gear is in transmission connection with one of the driven gears.
The driving gear is coaxially connected with the transmission gear, and the transmission gear is externally meshed with one driven gear.
The aeration pipe is arranged on the inner side of the upper end of the tank body, and an aeration head of the aeration pipe is arranged towards the stuffing box;
the aeration pipe is communicated with the air outlet pipe of the cylinder body, and the air inlet pipe of the cylinder body is communicated with the external environment fluid.
Furthermore, an air outlet one-way valve is arranged on the air outlet pipe.
The utility model has the advantages that:
two driven gear all periodically change the rotation direction, and two driven gear's rotation direction is when opposite, can drive the crisscross reciprocating displacement of two sets of filling box group, the iron carbon of reciprocating displacement packs and stirs the waste water in the sedimentation tank at vertical orientation formation stirring power, also solved among the prior art iron carbon pack because of fixed setting appear the iron carbon each other caking between easy appearing, the problem of passivation, the crisscross reciprocating displacement of two sets of filling box groups, can form crisscross shearing force, through the huge shearing force that produces when reciprocating crisscross stirring, make waste water with the liquid film in iron carbon packs, the form such as liquid silk and liquid drop exists, form very big surface area, accelerate the mass transfer effect, improve the utilization ratio that iron carbon packed.
Drawings
Fig. 1 is a schematic diagram of the process of the two groups of stuffing boxes during the process of returning and moving (at the starting point of the reciprocating displacement).
Fig. 2 is a schematic view of the process of the two stuffing boxes during the process of the reciprocating movement (at the end point of the reciprocating movement).
Fig. 3 is a schematic structural diagram of the driving gear and the driven gear of the present invention.
Fig. 4 is a schematic structural view of the cam and the cylinder block of embodiment 1.
Fig. 5 is a schematic structural view of a crankshaft, a T-shaped connecting rod, and a cylinder block according to embodiment 2.
In the figure: 11-a drive gear; 12-a driven gear; 13-a transmission gear; 21-cylinder body; 211-inlet pipe; 212-an outlet pipe; 213-a piston; 214-a piston rod; 215-a spring; 22-push rod; 23-a cam; 24-a drive shaft; 25-a transmission wheel; 26-a crankshaft; 271-end; 272-long rod part; 28-tooth; 31-a screw rod; 32-a sleeve; 41-stuffing box; 42-iron carbon filler; 50-an aerator pipe; 501-an aeration head; 60-pool body.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 1, the sedimentation tank for micro-electrolysis wastewater treatment of the present embodiment includes a tank body 60, two screw rods 31, two driven gears 12, and two sets of stuffing boxes, wherein the stuffing boxes include a plurality of stuffing boxes 41 filled with iron-carbon stuffing. The iron-carbon filler is prepared by sintering various raw materials such as iron, carbon, other metal catalyst activators and the like at high temperature. In the wastewater treatment process, the device generates a 1.2V potential difference to carry out electrolytic treatment on wastewater, and the working principle is as follows: the waste water is treated by the combined action of electrochemistry, oxidation-reduction, physical adsorption and flocculation-precipitation. Its main functions are to reduce cod and chroma of waste water, raise biodegradability of waste water and create conditions for further treatment.
As shown in fig. 1, two lead screws 31 are symmetrically arranged in the tank body 60; the two driven gears 12 are correspondingly arranged on one end of the screw rod extending out of the tank body; when the driven gears periodically change the rotating direction and the two driven gears are meshed and connected externally, the rotating directions of the two driven gears are opposite, the two screw rods are driven to periodically change the rotating directions (the screw rods alternately rotate forwards and reversely), and the rotating directions of the two screw rods are opposite.
The stuffing box 41 filled with the iron carbon stuffing is of an annular structure, the upper end of the stuffing box is open, and the stuffing box is used for containing the iron carbon stuffing. The middle part of the stuffing box is coaxially provided with a sleeve 32 in a penetrating way, and the sleeve 32 and the stuffing box 41 are integrally connected. A screw rod hole is formed in the sleeve and matched with the screw rod; the stuffing box can be sleeved on the screw rod in a matching mode, and when the screw rod rotates, the stuffing box can be driven to move along the screw rod.
As shown in fig. 1, each group of stuffing boxes includes 4 stuffing boxes 41, when in installation, a plurality of stuffing boxes of one group of stuffing boxes are axially arranged on one of the screw rods 31, a plurality of stuffing boxes of the other group of stuffing boxes are axially arranged on the other screw rod 31 (the stuffing boxes are all matched and sleeved on the corresponding screw rods), and the two groups of stuffing boxes are arranged in a staggered manner; when the rotation directions of the two screw rods are periodically changed and the rotation directions of the two screw rods are opposite, the two screw rods can drive one group of filling box groups sleeved on one screw rod to perform reciprocating displacement and also drive the other group of filling box groups sleeved on the other screw rod to perform reciprocating displacement, the displacement directions of the two groups of filling box groups are opposite, the iron-carbon filling material 42 filled in the filling box can also perform reciprocating displacement, the iron-carbon filling material which performs reciprocating displacement forms stirring force in the vertical direction to stir the wastewater in the sedimentation tank, the problem that the iron-carbon filling material is easy to agglomerate and passivate between iron carbons due to fixed arrangement in the prior art is solved, the two groups of filling box groups perform reciprocating displacement in a staggered manner to form staggered shearing force, and the wastewater exists in the iron-carbon filling material in the forms of liquid films, liquid wires, liquid drops and the like to form a large surface area through the huge shearing force generated during the reciprocating staggered stirring, accelerating mass transfer and improving the utilization rate of the iron-carbon filler.
Fig. 1 and fig. 2 are schematic diagrams of the process of the two groups of stuffing boxes during the process of resetting respectively.
The sedimentation tank of this embodiment still includes cylinder body 21, cam 23, boosting pole 22, motor and driving gear 11, as shown in fig. 4, the matching is equipped with piston 213 in the cylinder body, the piston with be equipped with elastomeric element between the cylinder body, the piston rod 214 of piston stretches out the cylinder body and with boosting pole coaxial coupling, the one end that the piston rod was kept away from to the boosting pole with cam 23 contacts, cam 23 is established on the transmission shaft 24 of motor. When the motor runs, the cam is driven to rotate, when the highest point of the cam is slowly close to the boosting rod 22, the boosting rod is pushed to move leftwards, so that the piston rod and the piston are driven to move leftwards, an elastic part can be stretched, the elastic part can be a spring 215, and the elastic coefficient of the spring can be selected according to actual use requirements; when the highest point of the cam is slowly far away from the push-assisted rod, the pushing force of the push-assisted rod is removed, and the push-assisted rod 22, the piston rod 214 and the piston 213 slowly and reversely move rightwards under the action of the elastic restoring force of the elastic component; therefore, in the process of cam rotation, the piston rod and the push-aid rod are driven to make reciprocating displacement.
In the process of reciprocating displacement of the boosting rod 22, because one side of the boosting rod 22 facing the driving gear is provided with a group of teeth 28, the group of teeth is meshed with the driving gear 11, the driving gear is in transmission connection with one driven gear, and the two driven gears are in external meshing connection, the driving gear can periodically change the rotation direction (the driving gear alternately rotates forwards and backwards), so that one driven gear is driven to periodically change the rotation direction (the driven gear alternately rotates forwards and backwards), the other driven gear is driven to periodically change the rotation direction, and the rotation directions of the two driven gears are opposite.
In this embodiment, the driving gear drives the driven gears to rotate through the driving gear, as shown in fig. 3, the driving gear 11 is coaxially connected with the driving gear 13, the driving gear 13 is externally engaged with one of the driven gears 12, and when the driving gear periodically changes the rotation direction (the driving gear alternately rotates forward and reversely), the driving gear drives the two driven gears 12 to periodically change the rotation direction (the driven gears alternately rotate forward and reversely).
The sedimentation tank of the embodiment further comprises an aeration pipe 50, wherein the aeration pipe is arranged on the inner side of the upper end of the tank body; the aeration pipe is positioned on one side of the screw rod, and the rotation of the screw rod cannot be influenced. Because the aeration pipe is communicated with the air outlet pipe 212 of the cylinder body, the air inlet pipe 211 of the cylinder body is communicated with the external environment in a fluid mode, the piston in the cylinder body also performs reciprocating displacement in the process that the driving gear periodically changes the rotating direction, when the piston moves rightwards, the volume of the left space of the cylinder body is increased, negative pressure is formed in the left space, and external air can enter the left space of the cylinder body through the air inlet pipe of the cylinder body; when the piston left side displacement, can make the left side space volume of cylinder body reduce, the air that gets into in the left side space of cylinder body can be automatic arranges to the aeration pipe through the outlet duct of cylinder body in to carry out the aeration operation through the aeration head, because the aeration head 501 orientation of aeration pipe the stuffing box sets up, can increase stirring and the friction of iron carbon filler in vertical direction, solved the problem of caking each other, passivation between the iron carbon that iron carbon filler exists for a long time among the prior art better. In addition, as shown in fig. 1 and 2, a part of the aeration head 501 is directed toward the wastewater in the settling tank, and air is introduced into the settling tank through the part of the aeration head to perform an aeration operation, so that the reaction efficiency of the wastewater and the iron-carbon filler can be increased.
The air outlet pipe is preferably provided with an air outlet one-way valve to prevent air or wastewater in the sedimentation tank from flowing back through the air outlet pipe.
Example 2:
on the basis of embodiment 1, the sedimentation tank in this embodiment further comprises a motor, a cylinder 21, a crankshaft 26, a T-shaped connecting rod and a driving gear, wherein the combination of the crankshaft and the T-shaped connecting rod belongs to a crankshaft connecting rod mechanism in the prior art, and can convert the rotation operation into the reciprocating displacement motion.
As shown in fig. 5, one end of the crankshaft is coaxially arranged with a transmission wheel 25 of the motor, the transmission wheel is arranged on a transmission shaft 24 of the motor, and the other end of the crankshaft rotating the crankshaft is slidably arranged on an end 271 of the T-shaped connecting rod; after the motor operates, the driving wheel can be driven to rotate, so that the crankshaft is driven to rotate, and the T-shaped connecting rod is driven to reciprocate.
A piston is arranged in the cylinder body in a matching manner, and a piston rod of the piston extends out of the cylinder body and is coaxially connected with the long rod part 272 of the T-shaped connecting rod; during the reciprocating displacement of the T-shaped connecting rod, the piston rod and the piston are driven to reciprocate. In the process of reciprocating displacement of the piston, air can be automatically discharged into the aeration pipe through the air outlet pipe of the cylinder body to carry out aeration operation.
One side of the long rod portion facing the driving gear is provided with a group of teeth 28, the group of teeth 28 are meshed with the driving gear 11, the driving gear is in transmission connection with one of the driven gears, and the two driven gears are meshed with each other. In the process of reciprocating displacement of the T-shaped connecting rod, the driving gear is driven to periodically change the rotating direction (the driving gear alternately rotates forwards and backwards), so that the two driven gears are driven to periodically change the rotating direction (the driven gears alternately rotate forwards and backwards).
During installation, a plurality of stuffing boxes of one stuffing box group are axially arranged on one screw rod 31, a plurality of stuffing boxes of the other stuffing box group are axially arranged on the other screw rod 31, and the two stuffing box groups are arranged in a staggered manner (as shown in fig. 1, each stuffing box group comprises 4 stuffing boxes 41); when the two screw rods periodically change the rotation direction (the screw rods alternately rotate clockwise and reversely), and the rotation directions of the two screw rods are opposite, the screw rods can drive one group of filling boxes sleeved on one screw rod to perform reciprocating displacement and also drive the other group of filling boxes sleeved on the other screw rod to perform reciprocating displacement, the displacement directions of the two groups of filling boxes are opposite, the iron-carbon filling material 42 filled in the filling boxes can also perform reciprocating displacement, the iron-carbon filling material which performs reciprocating displacement forms stirring force in the vertical direction to stir waste water in the sedimentation tank, the problem that the iron-carbon filling material is easy to agglomerate and passivate between iron and carbon in the prior art due to fixed arrangement is solved, the two groups of filling boxes perform reciprocating displacement in a staggered manner to form staggered shearing force, and the waste water exists in the iron-carbon filling material in the forms of liquid films, liquid threads, liquid drops and the like through the huge shearing force generated during the reciprocating staggered stirring, the surface area is greatly increased, the mass transfer is accelerated, and the utilization rate of the iron-carbon filler is improved.
In a word, two driven gear all periodically change the rotation direction, and two driven gear's rotation direction when opposite, can drive the crisscross reciprocating displacement of two sets of packing box groups, reciprocating displacement's iron carbon filler forms the stirring power at vertical direction and stirs the waste water in the sedimentation tank, also solved among the prior art iron carbon filler because of fixed setting appear between the iron carbon mutual caking easily, the problem of passivation, the crisscross reciprocating displacement of two sets of packing box groups, can form crisscross shearing force, through the huge shearing force that produces when reciprocating crisscross stirring, make waste water with the liquid film in iron carbon filler, the form such as liquid silk and liquid drop exists, form very big surface area, accelerate the mass transfer effect, improve iron carbon filler's utilization ratio.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (6)
1. A sedimentation tank for micro-electrolysis treatment of wastewater, comprising:
a tank body;
the two screw rods are symmetrically arranged in the tank body;
the two driven gears are correspondingly arranged on one end of the screw rod extending out of the tank body one by one, and are in external meshing connection;
the two groups of stuffing boxes comprise a plurality of stuffing boxes filled with iron-carbon stuffing, wherein the stuffing boxes of one group of stuffing boxes are axially arranged on one screw rod, the stuffing boxes of the other group of stuffing boxes are axially arranged on the other screw rod, and the two groups of stuffing boxes are arranged in a staggered manner;
the stuffing box is of an annular structure, the upper end of the stuffing box is provided with an opening, a sleeve is coaxially arranged in the middle of the stuffing box in a penetrating manner, a screw rod hole is formed in the sleeve, and the screw rod hole is matched with the screw rod;
the driven gear periodically changes the direction of rotation.
2. A sedimentation tank for micro-electrolysis treatment of wastewater according to claim 1, characterized in that: the device also comprises a cylinder body, a cam, an auxiliary push rod, a motor and a driving gear; the piston is arranged in the cylinder body in a matched mode, an elastic component is arranged between the piston and the cylinder body, a piston rod of the piston extends out of the cylinder body and is coaxially connected with the boosting rod, one end, far away from the piston rod, of the boosting rod is in contact with the cam, the cam is arranged on a transmission shaft of the motor, one side, facing the driving gear, of the boosting rod is provided with a group of teeth, the group of teeth are in meshed connection with the driving gear, and the driving gear is in transmission connection with one of the driven gears.
3. A sedimentation tank for micro-electrolysis treatment of wastewater according to claim 1, characterized in that: the piston rod of the piston extends out of the cylinder body and is coaxially connected with a long rod part of the T-shaped connecting rod;
one end of the crankshaft is coaxially arranged with a driving wheel of the motor, and the other end of the crankshaft is slidably arranged on the end head of the T-shaped connecting rod;
one side of the long rod portion facing the driving gear is provided with a group of teeth, the group of teeth are meshed with the driving gear, and the driving gear is in transmission connection with one of the driven gears.
4. A sedimentation tank for micro-electrolysis treatment of wastewater according to claim 2 or 3, characterized in that: the driving gear is coaxially connected with the transmission gear, and the transmission gear is externally meshed with one driven gear.
5. A sedimentation tank for micro-electrolysis treatment of wastewater according to claim 4, characterized in that: the aeration pipe is arranged on the inner side of the upper end of the tank body, and an aeration head of the aeration pipe is arranged towards the stuffing box;
the aeration pipe is communicated with the air outlet pipe of the cylinder body, and the air inlet pipe of the cylinder body is communicated with the external environment fluid.
6. A sedimentation tank for micro-electrolysis treatment of wastewater according to claim 5, characterized in that: and an air outlet one-way valve is arranged on the air outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970235.1U CN210150776U (en) | 2019-06-25 | 2019-06-25 | Sedimentation tank for micro-electrolysis wastewater treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920970235.1U CN210150776U (en) | 2019-06-25 | 2019-06-25 | Sedimentation tank for micro-electrolysis wastewater treatment |
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| CN210150776U true CN210150776U (en) | 2020-03-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477574A (en) * | 2022-03-17 | 2022-05-13 | 黄河水利职业技术学院 | Sewage treatment device capable of performing multistage sewage filtration |
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2019
- 2019-06-25 CN CN201920970235.1U patent/CN210150776U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477574A (en) * | 2022-03-17 | 2022-05-13 | 黄河水利职业技术学院 | Sewage treatment device capable of performing multistage sewage filtration |
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