CN215288291U

CN215288291U - A effluent treatment plant for polyvinylidene fluoride production

Info

Publication number: CN215288291U
Application number: CN202121034602.0U
Authority: CN
Inventors: 林丽芳; 戴锦添
Original assignee: Shenzhen Yingshigao Material Technology Co ltd
Current assignee: Shenzhen Yingshigao Material Technology Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-12-24
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a waste water treatment device for polyvinylidene fluoride production, which comprises a sedimentation tank, a mixing box and a transparent observation window, wherein a first rotating shaft is driven to rotate by a rotating end of a motor, the first rotating shaft drives a first stirring blade to rotate, the first rotating shaft drives the first gear to rotate by the meshing fit of a second gear and the first gear, the first gear drives the second gear to rotate and further drives a second rotating shaft to rotate, the second rotating shaft drives the second stirring blade to rotate, and further the waste water and calcium chloride in the mixing box are stirred and mixed together by the rotation of the first stirring blade and the rotation fit of the second stirring blade, thereby accelerating the mixing efficiency of the waste water and the calcium chloride, leading the mixing to be more uniform, driving a fourth connecting pipe to move by the expansion end of an electric cylinder in an expansion way, extending the bottom end of the fourth connecting pipe into the treated waste water and being positioned above a calcium fluoride layer, and then the position of the fourth connecting pipe is convenient to adjust according to the position of the waste water.

Description

A effluent treatment plant for polyvinylidene fluoride production

Technical Field

The utility model relates to a wastewater treatment device, in particular to a wastewater treatment device for polyvinylidene fluoride production.

Background

Polyvinylidene fluoride is a pure thermoplastic fluoropolymer, a high molecular compound polymerized from vinylidene fluoride. A white solid. The density was 1.78. The melting point is 160-170 ℃. Can be used at-60 to 150 ℃. Can be dissolved in strong polar solution such as dimethylacetamide. The performances of ageing resistance, chemical resistance, weather resistance, ultraviolet radiation resistance and the like are excellent. The production process of polyvinylidene fluoride can produce waste water containing fluorine in the form of fluorine ion, and when the fluorine is treated, calcium chloride is added to react fully to produce calcium fluoride precipitate so as to reduce the fluorine content in the waste water, and after the fluorine content reaches the standard, the waste water is discharged.

The existing wastewater treatment device for polyvinylidene fluoride production is single in structure, most of the wastewater treatment devices only simply scatter calcium chloride into wastewater to react, the calcium chloride and the wastewater are not uniformly mixed, the reaction efficiency is low, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a effluent treatment plant for polyvinylidene fluoride production to solve the problem that provides in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a waste water treatment device for polyvinylidene fluoride production, includes the sedimentation tank, the sedimentation tank top is through support frame fixedly connected with mixing box, the mixing box top runs through fixedly connected with and rather than the inside feeder hopper that communicates, mixing box top fixed mounting has the motor, the inboard top of mixing box rotates and is connected with first pivot, the lateral wall of first pivot is to the top and down equidistance fixedly connected with a plurality of first stirring vane, the outside of first pivot is fixed the cover and is equipped with first gear, first gear sets up in first stirring vane's top, the top of first pivot runs through behind the mixing box with the rotation end fixed connection of motor, the inboard symmetry of mixing box is provided with two rabbling mechanisms, the rabbling mechanism includes second gear, second stirring vane and second pivot, second stirring vane is to the top and is provided with a plurality of equidistance down, a plurality of the equal fixed connection of second stirring vane is in the second pivot, the outside of second pivot is located to the fixed cover of second gear, the second gear sets up in second stirring vane's top, the second gear meshes with first gear mutually, the second body of fixedly connected with rather than inside intercommunication is run through to the mixing box bottom, the bottom of second body and the inside intercommunication of sedimentation tank, one side bottom of sedimentation tank runs through the first body of fixedly connected with rather than inside intercommunication, sedimentation tank top fixed mounting has the switch.

As a further aspect of the present invention: the second stirring blades and the first stirring blades are sequentially arranged in a staggered mode.

As a further aspect of the present invention: the second pipe body is provided with a first valve, and the first pipe body is provided with a second valve.

As a further aspect of the present invention: the utility model discloses a sedimentation tank, including sedimentation tank top fixed mounting, electronic jar, one side fixedly connected with fourth connecting pipe of fixed block, the sedimentation tank top is run through and is offered the through-hole that is used for the fourth connecting pipe to pass, stretch into to the sedimentation tank in after the through-hole is passed to the bottom of fourth connecting pipe, the top intercommunication of fourth connecting pipe has the third connecting pipe, the third connecting pipe is the hose, sedimentation tank top fixed mounting has the delivery pump, the end of intaking of delivery pump communicates with the one end of third connecting pipe, the play water end intercommunication of delivery pump has the fifth connecting pipe, electronic jar and delivery pump all are connected with the switch electricity through the wire.

As a further aspect of the present invention: the bottom of sedimentation tank sets up for the slope, two second supporting legs of the bottom surface symmetry fixedly connected with and two first supporting legs of sedimentation tank, the transparent observation window of fixedly connected with runs through to the opposite side of sedimentation tank, transparent observation window is the transparent glass material.

As a further aspect of the present invention: the motor is electrically connected with the switch through a wire, and the switch is electrically connected with an external power supply through a wire.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the rotation end through the motor drives first pivot and rotates, first pivot drives first stirring vane and rotates, meshing cooperation through second gear and first gear, first pivot rotation drives first gear and rotates, first gear drives second gear and rotates, and then drive the second pivot and rotate, the second pivot drives second stirring vane and rotates, and then rotation through first stirring vane and second stirring vane's normal running fit, stir the mixture jointly to waste water and calcium chloride in the mixing box, and then waste water and calcium chloride mixing efficiency has been accelerated, make and mix more evenly.

2. Flexible drive fourth connecting pipe of flexible end through electronic jar removes, extend the bottom of fourth connecting pipe to the waste water after handling and be located the top on calcium fluoride layer, and then be convenient for adjust the position of fourth connecting pipe according to the position of waste water, start the delivery pump through the switch, waste water after will handling through the delivery pump work is discharged through fourth connecting pipe and fifth connecting pipe, be convenient for take the waste water that is located calcium fluoride layer top out, and then open the second valve again, be convenient for discharge the calcium fluoride in the sedimentation tank through first body, color setting through transparent observation window, the personnel of being convenient for observe the inside condition of sedimentation tank.

Drawings

FIG. 1 is a schematic view showing the construction of a wastewater treatment apparatus for polyvinylidene fluoride production.

FIG. 2 is a side view of a settling tank in a wastewater treatment plant for polyvinylidene fluoride production.

Fig. 3 is a front view of a wastewater treatment apparatus for polyvinylidene fluoride production.

Shown in the figure: first supporting leg 1, second supporting leg 2, first body 3, sedimentation tank 4, switch 5, second body 6, mixing box 7, first pivot 8, feeder hopper 9, first gear 10, motor 11, first stirring vane 12, second gear 13, second stirring vane 14, second pivot 15, rabbling mechanism 16, third connecting pipe 17, fixed block 18, electronic jar 19, delivery pump 20, through-hole 21, fourth connecting pipe 22, fifth connecting pipe 23, transparent observation window 24.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a wastewater treatment apparatus for polyvinylidene fluoride production includes a sedimentation tank 4, a mixing box 7 is fixedly connected to the top of the sedimentation tank 4 through a support frame, a feed hopper 9 is fixedly connected to the top of the mixing box 7 through a penetration way, a motor 11 is fixedly installed at the top of the mixing box 7, a first rotating shaft 8 is rotatably connected to the top of the inner side of the mixing box 7, a plurality of first stirring blades 12 are fixedly connected to the side wall of the first rotating shaft 8 at equal intervals from top to bottom, a first gear 10 is fixedly sleeved on the outer side of the first rotating shaft 8, the first gear 10 is disposed above the first stirring blades 12, the top end of the first rotating shaft 8 penetrates through the mixing box 7 and is fixedly connected to the rotating end of the motor 11, two stirring mechanisms 16 are symmetrically disposed on the inner side of the mixing box 7, the stirring mechanism 16 comprises a second gear 13, a second stirring blade 14 and a second rotating shaft 15, the second stirring blade 14 is provided with a plurality of second stirring blades 14 at equal intervals from top to bottom, the plurality of second stirring blades 14 are all fixedly connected on the second rotating shaft 15, the plurality of second stirring blades 14 and the plurality of first stirring blades 12 are sequentially arranged in a staggered manner, the second gear 13 is fixedly sleeved on the outer side of the second rotating shaft 15, the second gear 13 is arranged above the second stirring blades 14, the second gear 13 is meshed with the first gear 10, the bottom of the mixing box 7 is fixedly connected with a second pipe body 6 communicated with the interior of the mixing box in a penetrating manner, the bottom end of the second pipe body 6 is communicated with the interior of the sedimentation tank 4, a first valve is arranged on the second pipe body 6, the bottom of one side of the sedimentation tank 4 is fixedly connected with a first pipe body 3 communicated with the interior of the sedimentation tank in a penetrating manner, the second valve is arranged on the first pipe body 3, the bottom of the sedimentation tank 4 is arranged in an inclined manner, two second supporting legs 2 and two first supporting legs 1 are fixedly connected to the bottom surface of the sedimentation tank 4 in a symmetrical manner, a transparent observation window 24 is fixedly connected to the other side of the sedimentation tank 4 in a penetrating manner, the transparent observation window 24 is made of transparent glass, an electric cylinder 19 is fixedly arranged at the top of the sedimentation tank 4, a fixing block 18 is fixedly connected to the telescopic end of the electric cylinder 19, a fourth connecting pipe 22 is fixedly connected to one side of the fixing block 18, a through hole 21 for the fourth connecting pipe 22 to pass through is formed in the top of the sedimentation tank 4 in a penetrating manner, the bottom end of the fourth connecting pipe 22 passes through the through hole 21 and then extends into the sedimentation tank 4, a third connecting pipe 17 is communicated with the top end of the fourth connecting pipe 22, the third connecting pipe 17 is a hose, a conveying pump 20 is fixedly arranged at the top of the sedimentation tank 4, the utility model discloses a sedimentation tank, including delivery pump 20, motor 11, electric jar 19, delivery pump 20, the end of intaking of delivery pump 20 is held and is communicated with the one end of third connecting pipe 17, the play water end intercommunication of delivery pump 20 has fifth connecting

pipe

23, 4 top fixed mounting in sedimentation tank have switch 5, motor 11 passes through the wire and is connected with switch 5 electricity, electric jar 19 and delivery pump 20 all are connected with switch 5 electricity through the wire, switch 5 passes through the wire and is connected with external power supply electricity.

The utility model discloses a theory of operation is:

when the device is used, the first valve is closed, wastewater is conveyed into the mixing box 7 through the feed hopper 9, calcium chloride powder is poured into the mixing box 7 through the feed hopper 9, the motor 11 is started through the switch 5, the first rotating shaft 8 is driven to rotate through the rotating end of the motor 11, the first rotating shaft 8 drives the first stirring blade 12 to rotate, the first rotating shaft 8 drives the first gear 10 to rotate through the meshing fit of the second gear 13 and the first gear 10, the first gear 10 drives the second gear 13 to rotate, and further drives the second rotating shaft 15 to rotate, the second rotating shaft 15 drives the second stirring blade 14 to rotate, and further through the rotation of the first stirring blade 12 and the rotation fit of the second stirring blade 14, the wastewater and calcium chloride in the mixing box 7 are stirred and mixed together, so that the mixing efficiency of the wastewater and the calcium chloride is accelerated, the mixing is more uniform, and after the reaction is sufficient, opening the first valve, the mixed water flows into the sedimentation tank 4 through the second pipe body 6, and then is placed in the sedimentation tank 4 for standing and sedimentation, after sedimentation and layering, calcium fluoride generated by the reaction of calcium chloride and fluoride ions is precipitated at the bottom of the sedimentation tank 4, the treated wastewater is arranged above the calcium fluoride layer, the stacking height of the calcium fluoride in the sedimentation tank 4 is observed through the transparent observation window 24, the electric cylinder 19 is started through the switch 5, the fourth connecting pipe 22 is driven to move through the expansion and contraction of the telescopic end of the electric cylinder 19, the bottom end of the fourth connecting pipe 22 is extended into the treated wastewater and is positioned above the calcium fluoride layer, the position of the fourth connecting pipe 22 is convenient to be adjusted according to the position of the wastewater, the conveying pump 20 is started through the switch 5, the treated wastewater is discharged through the fourth connecting pipe 22 and the fifth connecting pipe 23 through the work of the conveying pump 20, and the wastewater positioned above the calcium fluoride layer is convenient to be pumped out, and then the second valve is opened again, and the calcium fluoride in the sedimentation tank 4 is discharged through the first pipe body 3.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A waste water treatment device for polyvinylidene fluoride production, includes sedimentation tank (4), its characterized in that: sedimentation tank (4) top is through support frame fixedly connected with mixing box (7), mixing box (7) top runs through fixedly connected with feeder hopper (9) rather than inside intercommunication, mixing box (7) top fixed mounting has motor (11), mixing box (7) inboard top is rotated and is connected with first pivot (8), the lateral wall of first pivot (8) is extremely last and the first stirring vane (12) of equidistance fixedly connected with a plurality of down, the fixed cover in the outside of first pivot (8) is equipped with first gear (10), first gear (10) set up in the top of first stirring vane (12), the top of first pivot (8) is run through the rotation end fixed connection with motor (11) behind mixing box (7), the inboard symmetry of mixing box (7) is provided with two rabbling mechanisms (16), rabbling mechanism (16) include second gear (13), A plurality of second stirring blades (14) and a second rotating shaft (15), wherein the second stirring blades (14) are arranged at equal intervals from top to bottom, the plurality of second stirring blades (14) are fixedly connected on the second rotating shaft (15), the second gear (13) is fixedly sleeved outside the second rotating shaft (15), the second gear (13) is arranged above the second stirring blade (14), the second gear (13) is meshed with the first gear (10), the bottom of the mixing box (7) is fixedly connected with a second pipe body (6) communicated with the inside of the mixing box in a penetrating way, the bottom end of the second pipe body (6) is communicated with the interior of the sedimentation tank (4), one side bottom of sedimentation tank (4) runs through fixedly connected with rather than first body (3) of inside intercommunication, sedimentation tank (4) top fixed mounting has switch (5).

2. The apparatus for treating wastewater for polyvinylidene fluoride production according to claim 1, characterized in that: the second stirring blades (14) and the first stirring blades (12) are arranged in a staggered mode in sequence.

3. The apparatus for treating wastewater for polyvinylidene fluoride production according to claim 1, characterized in that: the second pipe body (6) is provided with a first valve, and the first pipe body (3) is provided with a second valve.

4. The apparatus for treating wastewater for polyvinylidene fluoride production according to claim 1, characterized in that: an electric cylinder (19) is fixedly arranged at the top of the sedimentation tank (4), a fixed block (18) is fixedly connected with the telescopic end of the electric cylinder (19), one side of the fixed block (18) is fixedly connected with a fourth connecting pipe (22), the top of the sedimentation tank (4) is provided with a through hole (21) for the fourth connecting pipe (22) to pass through, the bottom end of the fourth connecting pipe (22) passes through the through hole (21) and then extends into the sedimentation tank (4), the top end of the fourth connecting pipe (22) is communicated with a third connecting pipe (17), the third connecting pipe (17) is a hose, a delivery pump (20) is fixedly arranged at the top of the sedimentation tank (4), the water inlet end of the delivery pump (20) is communicated with one end of a third connecting pipe (17), the water outlet end of the delivery pump (20) is communicated with a fifth connecting pipe (23), and the electric cylinder (19) and the delivery pump (20) are electrically connected with the switch (5) through conducting wires.

5. The apparatus for treating wastewater for polyvinylidene fluoride production according to claim 1, characterized in that: the bottom of sedimentation tank (4) sets up for the slope, two second supporting legs (2) of the bottom surface symmetry fixedly connected with of sedimentation tank (4) and two first supporting legs (1), the opposite side of sedimentation tank (4) runs through transparent observation window (24) of fixedly connected with, transparent observation window (24) are the transparent glass material.

6. The apparatus for treating wastewater for polyvinylidene fluoride production according to claim 1, characterized in that: the motor (11) is electrically connected with the switch (5) through a wire, and the switch (5) is electrically connected with an external power supply through a wire.