CN114477515B - Energy-concerving and environment-protective type waste water defluorination equipment - Google Patents

Abstract

The invention discloses an energy-saving and environment-friendly wastewater fluorine removal device, which comprises: the device comprises a supporting shell, a first purification mechanism, a discharge conveying mechanism and a second purification mechanism; a main supporting clapboard is arranged in the supporting shell, and a plurality of lower leakage holes which are uniformly distributed are drilled on the main supporting clapboard; the first purification mechanism is arranged in the support shell and comprises a first precipitation clapboard, and a plurality of uniformly distributed holes are drilled on the first precipitation clapboard; the discharging conveying mechanism is arranged below the supporting shell and used for discharging sediments and realizing the separation of the sediments and the wastewater; the second purification mechanism is arranged on one side of the support shell and is used for further defluorination treatment of the wastewater separated by the discharge conveying mechanism. The invention improves the treatment effect of the waste water and reduces the concentration of fluoride in the waste water by arranging corresponding mechanisms of the existing waste water defluorination equipment, thereby meeting the waste water discharge standard of China and reducing the treatment cost of the waste water defluorination.

Description

Energy-concerving and environment-protective type waste water defluorination equipment

Technical Field

The invention belongs to the technical field of wastewater fluorine removal, and particularly relates to energy-saving and environment-friendly wastewater fluorine removal equipment.

Background

With the rapid development of the industry in China, the discharge amount of various industrial wastewater is increased more and more. Among them, the fluorine-containing industrial wastewater poses serious threat to the health of people, so the national emission requirement on the fluorine-containing wastewater is more and more strict. Fluorine is a trace element necessary for human bodies, is an indispensable substance component for forming hard bones and teeth, can prevent decayed teeth, maintains normal calcium and phosphorus metabolism of the human bodies, and improves the anti-aging capability of organisms. However, fluorine poisoning and various adverse effects can occur when the daily fluorine ion intake of a human body is higher than 4 mg.

At present, two common methods for removing fluorine from wastewater are available: precipitation method, adsorption method. The standard established in China is that the fluoride content in the discharged wastewater cannot exceed 10mg/L, but the traditional precipitation method and adsorption method are difficult to stably reduce the fluoride content in the wastewater to 10mg/L, the treatment effect is poor, the economic cost of treatment is high, and the method is not convenient to popularize and use.

Therefore, in order to solve the above technical problems, it is necessary to provide an energy-saving and environment-friendly wastewater fluorine removal device.

Disclosure of Invention

The invention aims to provide energy-saving and environment-friendly wastewater fluorine removal equipment to solve the problems of poor wastewater fluorine removal effect and high use economic cost in the prior art.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

an energy-saving environment-friendly wastewater fluorine removal device comprises: the device comprises a supporting shell, a first purification mechanism, a discharge conveying mechanism and a second purification mechanism;

a main supporting clapboard is arranged in the supporting shell, a plurality of lower leakage holes which are uniformly distributed are drilled on the main supporting clapboard, and a supporting and stirring device is arranged at the central shaft of the main supporting clapboard;

the first purifying mechanism is arranged in the supporting shell and comprises a first precipitation partition plate, the first precipitation partition plate is arranged above the main supporting partition plate, a plurality of uniformly distributed holes are formed in the first precipitation partition plate, a plurality of plugging blocks are arranged on one surface, close to the main supporting partition plate, of the first precipitation partition plate, the plugging blocks are matched with the lower leakage holes and are arranged in a one-to-one correspondence manner, and a second precipitation partition plate is arranged below the first precipitation partition plate;

the discharging conveying mechanism is arranged below the supporting shell and used for discharging precipitates, realizing separation of the precipitates and the wastewater and facilitating further defluorination treatment of the wastewater;

the second purification mechanism is arranged on one side of the supporting shell and used for further defluorination treatment of the wastewater separated by the discharge conveying mechanism, so that the fluorine content in the finally discharged wastewater can reach the national discharge standard.

Furthermore, a pair of supporting vertical plates are arranged below the supporting shell and used for supporting the supporting shell, so that the supporting shell is not easy to shake, the stability of the supporting shell is improved, and the supporting and stirring device comprises a main supporting pipe used for supporting a fixed sleeve, so that the first precipitation partition plate is convenient to place and take out, and precipitates are convenient to take out;

the main tributary stay tube interpolation is equipped with rotatory pole setting for support a plurality of puddlers down, thereby the puddler rotates under the convenient drive, and has the effect of supporting the rotatory cover that supports, be connected with a plurality of support bearings between rotatory pole setting and the main tributary stay tube, be used for fixed rotatory pole setting, avoid rotatory pole setting to rock or drop, improve the stability of rotatory pole setting, and make rotatory pole setting can the free rotation, thereby conveniently drive a plurality of puddlers down and rotate, and then make waste water and additive misce bene, improve the effect of defluorinating.

Further, the setting is just being out of shape to many one ends of rotatory pole setting, and the rotatory cover that supports of easy to assemble to the rotatory cover that supports of being convenient for drives rotatory pole setting rotatory, the staff's of being convenient for operation, a pot head of rotatory pole setting is equipped with the rotatory cover that supports for support a plurality of puddlers and drive a plurality of puddlers rotations of going up, install the swiveling wheel on the rotatory support, the staff's of being convenient for operation.

Furthermore, one end of the rotating vertical rod, which is far away from the rotating support sleeve, is provided with a plurality of lower stirring rods for stirring the mixture of iron salt and aluminum salt coagulant, so that the defluorination effect is improved;

the supporting shell is provided with a plurality of first electric control switches for controlling whether an iron salt or an aluminum salt coagulant in the material storage tank falls into the supporting shell or not, so that the control by workers is facilitated, and the error probability is reduced.

The iron salt and the aluminum salt coagulant can form positively charged colloidal particles in water, so that fluorine ions in the wastewater are adsorbed, the effect of removing fluorine is achieved, and the formed colloidal particles adsorb the fluorine ions and provide a reaction basis for the second purification mechanism.

Further, be equipped with fixed cover on the first baffle that deposits for the cover is established on the main tributary stay tube, thereby makes the convenient settling of first baffle that deposits to make things convenient for taking out of first baffle that deposits, and then conveniently take out the precipitate, fixed cover is located on the main tributary stay tube, make things convenient for settling of first baffle and taking out, the staff's of being convenient for operation, the second deposits and installs the automatically controlled switch of second on the baffle for control second deposits the on-off of baffle bottom, and then whether convenient control discharges waste water and precipitate.

Further, ejection of compact conveying mechanism includes first row of material pipe for the flow of secondary deposit and waste water, the intraductal rotatory bracing piece that is equipped with of first row of material for it is rotatory to support the auger and drive the auger, install the auger on the rotatory bracing piece for promote the removal of secondary deposit, make the deposit can drop collect in the frame, the staff of being convenient for collects.

Further, the motor is installed in the outside of first row of material pipe for drive the rotation of rotation support bar, and then make the auger can rotate, first row of material pipe is run through to rotation support bar's one end and is connected with the motor, be connected with fixing bearing between rotation support bar and the first row of material pipe, be used for supporting rotation support bar, and make rotation support bar can the free rotation, be difficult for receiving the influence, thereby improve the rotational stability of auger.

Furthermore, a transitional liquid storage box is arranged below the first discharge pipe and used for storing and collecting wastewater to facilitate the wastewater to be pumped out by a water pump, and a plurality of connecting pipes are connected between the transitional liquid storage box and the first discharge pipe, so that the wastewater in the first discharge pipe can flow into the transitional liquid storage box, thereby realizing the separation of precipitates and the wastewater, facilitating the three-time fluorine removal of the wastewater and improving the fluorine removal effect;

one side of transition deposit the liquid case is equipped with the collection frame for collect the precipitate that the secondary sediment removed fluorine, the staff's of being convenient for operation, the water pump is installed to the opposite side of transition deposit the liquid case, is used for taking the waste water of transition deposit the liquid incasement out, be connected with on the water pump and absorb water pipe and outlet pipe, all be used for carrying waste water, make waste water can enter into the purifying box.

Furthermore, the second purification mechanism comprises a purification box used for supporting and fixing a reverse osmosis membrane and preventing the reverse osmosis membrane from moving, the reverse osmosis membrane is arranged in the purification box, a sealing cover plate is arranged on one side of the reverse osmosis membrane and used for supporting the driving air cylinder, so that the driving air cylinder is not easy to fall off or shake, the stability of the device is improved, and the driving air cylinder is mounted on the sealing cover plate and used for controlling the extension and retraction of the piston rod;

the driving cylinder is connected with a piston rod for pushing the extrusion partition plate to move, the other end of the piston rod is inserted into the purification box, one end of the piston rod, which is arranged in the purification box, is connected with the extrusion partition plate for extruding the wastewater, so that the pressure of the wastewater is increased, and water molecules in the wastewater are enabled to be subjected to reverse osmosis to the other side of the reverse osmosis membrane.

Wherein, reverse osmosis membrane's both sides are waste water and clean rivers respectively, and when the pressure that receives on waste water one side was greater than the osmotic pressure of both sides liquid level, the hydrone in the waste water can permeate to one side of clean rivers, and the micelle is then unable to pass through to the messenger also can't pass through by the adsorbed fluorinion of micelle, realizes the effect of defluorinating.

Further, be equipped with the second on the purifying box and arrange the material pipe for discharge waste water makes things convenient for the reuse of purifying box, install third electric control switch on the material pipe is arranged to the second for control the second arrange the material pipe on and break.

Compared with the prior art, the invention has the following advantages:

the invention improves the treatment effect of the waste water and reduces the concentration of fluoride in the waste water by arranging corresponding mechanisms of the existing waste water defluorination equipment, thereby meeting the waste water discharge standard of China, reducing the treatment cost of the waste water defluorination and saving the cost for users.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a cross-sectional view of an energy-saving and environment-friendly wastewater fluorine removal device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

FIG. 4 is a schematic view of the structure of FIG. 1 at C;

FIG. 5 is a schematic view of the structure at D in FIG. 1;

FIG. 6 is a schematic view of the structure at E in FIG. 1;

FIG. 7 is a perspective view of an energy-saving and environment-friendly wastewater fluorine removal device according to an embodiment of the present invention;

FIG. 8 is a schematic view of the structure at F in FIG. 7;

FIG. 9 is a schematic view of a part of an energy-saving and environment-friendly wastewater fluorine removal device according to an embodiment of the present invention;

FIG. 10 is a bottom view of a portion of the energy-saving and environment-friendly wastewater fluorine removal device in an embodiment of the present invention;

fig. 11 is a schematic structural diagram at G in fig. 10.

In the figure: 1. the device comprises a supporting shell, 101, a main supporting partition plate, 102, a supporting vertical plate, 103, a lower leakage hole, 104, a main supporting pipe, 105, a rotating upright rod, 106, a supporting bearing, 107, a rotating supporting sleeve, 108, a rotating wheel, 109, a lower stirring rod, 110, an upper stirring rod, 111, a first electronic control switch, 112, a material storage tank, 2, a first purifying mechanism, 201, a first settling partition plate, 202, a fixed sleeve, 203, a hole, 204, a blocking block, 205, a second settling partition plate, 206, a second electronic control switch, 3, a discharging conveying mechanism, 301, a first discharging pipe, 302, a rotating supporting rod, 303, an auger 304, a motor, 305, a fixed bearing, 306, a transition liquid storage tank, 307, a connecting pipe, 308, a collecting frame, 309, a water pump, 310, a water suction pipe, 311, a water outlet pipe, 4, a second purifying mechanism, 401, a purifying tank, 402, a reverse osmosis membrane, 403, a cover plate, 404, 406, a driving cylinder, a piston rod, 406, a squeezing partition plate, 407, a third electronic control switch.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.

The invention discloses an energy-saving and environment-friendly wastewater fluorine removal device, which is shown in a figure 1-a figure 11 and comprises: the device comprises a supporting shell 1, a first purification mechanism 2, a discharge conveying mechanism 3 and a second purification mechanism 4.

Referring to fig. 1-7, a main supporting partition plate 101 is installed in the supporting housing 1 for supporting a first deposition partition plate 201, so as to facilitate the first deposition defluorination, a pair of supporting vertical plates 102 is installed below the supporting housing 1 for supporting the supporting housing 1, so that the supporting housing 1 is not prone to shaking, and the stability of the supporting housing 1 is improved.

Referring to fig. 1-2, a plurality of lower leaking holes 103 are uniformly distributed on the main supporting partition plate 101 for flowing down waste water, so that the waste water can fall on the second settling partition plate 205 after primary defluorination, thereby facilitating secondary defluorination, and the main supporting pipe 104 is installed on the lower leaking hole 103 for supporting the fixed sleeve 202, facilitating the installation and taking out of the first settling partition plate 201, and facilitating the taking out of the precipitate.

Referring to fig. 2, a rotating vertical rod 105 is inserted into the main supporting pipe 104 for supporting a plurality of lower stirring rods 109, thereby conveniently driving the lower stirring rods 109 to rotate, and has the function of supporting a rotating supporting sleeve 107, a plurality of supporting bearings 106 are connected between the rotating vertical rod 105 and the main supporting pipe 104 for fixing the rotating vertical rod 105, the rotating vertical rod 105 is prevented from shaking or dropping, the stability of the rotating vertical rod 105 is improved, and the rotating vertical rod 105 can freely rotate, thereby conveniently driving a plurality of lower stirring rods 109 to rotate, thereby enabling waste water and additives to be uniformly mixed, and improving the effect of removing fluorine.

Referring to fig. 3 and 9, one end of the rotating vertical rod 105 is disposed in a multi-deformation manner, so that the rotating support sleeve 107 is convenient to install, and therefore the rotating support sleeve 107 drives the rotating vertical rod 105 to rotate, so that the worker can operate the rotating vertical rod, one end of the rotating vertical rod 105 is sleeved with the rotating support sleeve 107, and is used for supporting the upper stirring rods 110 and driving the upper stirring rods 110 to rotate, and the rotating wheel 108 is installed on the rotating support sleeve 107, so that the worker can operate the rotating vertical rod conveniently.

Referring to fig. 1-2, one end of the rotary upright 105 far from the rotary support sleeve 107 is provided with a plurality of lower stirring rods 109 for stirring the mixture of iron salt and aluminum salt coagulant, thereby improving the effect of removing fluorine, and the rotary support sleeve 107 is provided with a plurality of upper stirring rods 110 for stirring the mixture of calcium salt and wastewater, so that calcium ions and fluorine ions are fully combined, thereby improving the effect of removing fluorine from wastewater.

Referring to fig. 1, a plurality of first electrically controlled switches 111 are installed on a support housing 1, and are used for controlling whether an iron salt or aluminum salt coagulant in a storage tank 112 falls into the support housing 1, so as to facilitate control by a worker and reduce the probability of errors, the storage tank 112 is installed on the first electrically controlled switches 111, and the storage tank 112 is filled with the iron salt or aluminum salt coagulant.

Wherein, the ferric salt and the aluminum salt coagulant can form positively charged colloidal particles in water, so as to adsorb fluoride ions in the wastewater, thereby achieving the effect of removing fluorine, and the formed colloidal particles can adsorb fluoride ions and also provide a reaction basis for the second purification mechanism 4.

Referring to fig. 1-11, the first purification mechanism 2 is disposed in the supporting housing 1, the first purification mechanism 2 includes a first deposition separation plate 201 for cooperating with the main supporting separation plate 101 to block the wastewater from flowing downward, so as to facilitate the first deposition defluorination, the first deposition separation plate 201 is provided with a fixing sleeve 202 for sleeving on the main supporting pipe 104, so as to facilitate the installation of the first deposition separation plate 201, facilitate the taking out of the first deposition separation plate 201, and further facilitate the taking out of the precipitate.

Referring to fig. 9-11, a plurality of holes 203 are drilled in the first settling partition 201 and evenly distributed for flowing wastewater, when the first settling partition 201 is lifted upwards, wastewater flows to the second settling partition 205 through the holes 203 and the lower leaking holes 103, and the sediment in the first settling partition 201 is blocked, so as to separate the wastewater from the sediment, a plurality of blocking blocks 204 matched with the lower leaking holes 103 are arranged on one surface of the first settling partition 201 close to the main supporting partition 101 and used for blocking the lower leaking holes 103, so that the wastewater cannot flow downwards, and further, the first settling defluorination is conveniently performed.

Referring to fig. 1-4, a fixing sleeve 202 is sleeved on the main support tube 104, so as to facilitate the installation and removal of the first precipitation partition 201 and facilitate the operation of the worker, a second precipitation partition 205 is provided below the first precipitation partition 201 for blocking the wastewater and facilitating the secondary precipitation of the wastewater for removing fluorine, and a second electric control switch 206 is installed on the second precipitation partition 205 for controlling the on/off of the bottom of the second precipitation partition 205, so as to facilitate the control of whether to discharge the wastewater and the precipitate.

Referring to fig. 1 and 4, discharging conveying mechanism 3 is arranged below supporting shell 1, discharging conveying mechanism 3 is used for discharging the precipitate, and realize the separation of precipitate and waste water, convenient further defluorination treatment is carried out to waste water, discharging conveying mechanism 3 includes first discharging pipe 301, be used for the flow of secondary precipitate and waste water, be equipped with rotary supporting rod 302 in first discharging pipe 301, be used for supporting auger 303 and driving auger 303 to rotate, install auger 303 on the rotary supporting rod 302, be used for promoting the removal of secondary precipitate, make the precipitate can fall in the collection frame 308, be convenient for the staff to collect.

Referring to fig. 1 and 4, a motor 304 is installed on the outer side of the first discharging pipe 301, and is used for driving the rotation of the rotary supporting rod 302, so that the packing auger 303 can rotate, one end of the rotary supporting rod 302 penetrates through the first discharging pipe 301 and is connected with the motor 304, and a fixing bearing 305 is connected between the rotary supporting rod 302 and the first discharging pipe 301 and is used for supporting the rotary supporting rod 302, so that the rotary supporting rod 302 can rotate freely and is not easily influenced, thereby improving the rotation stability of the packing auger 303.

Referring to fig. 1 and 5, a transition liquid storage tank 306 is arranged below the first discharge pipe 301 for storing and collecting wastewater, so that the wastewater can be pumped out by a water pump 309, and a plurality of connecting pipes 307 are connected between the transition liquid storage tank 306 and the first discharge pipe 301, so that the wastewater in the first discharge pipe 301 can flow into the transition liquid storage tank 306, thereby realizing separation of precipitates from the wastewater, conveniently removing fluorine from the wastewater for three times, and improving the effect of removing fluorine.

Referring to fig. 1 and 5, a collecting frame 308 is disposed on one side of the transition liquid storage tank 306 for collecting the fluorine-removed precipitate of the secondary precipitation, which is convenient for the operation of the worker, a water pump 309 is installed on the other side of the transition liquid storage tank 306 for pumping out the wastewater in the transition liquid storage tank 306, and a water suction pipe 310 and a water outlet pipe 311 are connected to the water pump 309, which are both used for conveying the wastewater, so that the wastewater can enter the purification tank 401.

Referring to fig. 1 to 7, a second purification mechanism 4 is disposed on one side of the support housing 1, the second purification mechanism 4 is used for further defluorination of the wastewater separated by the discharge conveying mechanism 3, so that the fluorine content in the finally discharged wastewater can reach the national discharge standard, the second purification mechanism 4 comprises a purification box 401 for supporting and fixing a reverse osmosis membrane 402, and preventing the reverse osmosis membrane 402 from moving, a reverse osmosis membrane 402 is disposed in the purification box 401 for separating the interior of the purification box 401, so as to facilitate the pouring of wastewater and clean water, when the pressure applied to one side of the wastewater is greater than the osmotic pressure of the solution levels on two sides, water molecules in the wastewater can permeate to one side of the clean water through the reverse osmosis membrane 402, and colloidal particles cannot pass through, so that the fluorine ions adsorbed by the colloidal particles cannot pass through.

Wherein, be equipped with the metal fixation net in the reverse osmosis membrane 402 for fix reverse osmosis membrane 402 in purifying case 401, when making extrusion baffle 406 extrusion downwards, reverse osmosis membrane 402 can not take place the circumstances of removal or inflation, and can not block the reverse osmosis of hydrone.

Referring to fig. 6, a cover plate 403 is disposed on one side of the reverse osmosis membrane 402 for supporting the driving cylinder 404, so that the driving cylinder 404 is not easy to fall off or shake, and the stability of the device is improved, and the driving cylinder 404 is mounted on the cover plate 403 for controlling the extension and retraction of the piston rod 405.

Referring to fig. 6, a piston rod 405 is connected to the driving cylinder 404 for pushing the extrusion diaphragm 406 to move, the other end of the piston rod 405 is inserted into the purification box 401, and the extrusion diaphragm 406 is connected to one end of the piston rod 405 in the purification box 401 for extruding the wastewater to increase the pressure applied to the wastewater, so that water molecules in the wastewater are made to reverse-permeate to the other side of the reverse osmosis membrane 402, and the water outlet pipe 311 stops delivering the wastewater into the purification box 401 when the extrusion diaphragm 406 is pressed downward.

Wherein, reverse osmosis membrane 402's both sides are waste water and clean rivers respectively, and when the pressure that receives on waste water one side was greater than the osmotic pressure of both sides liquid level, the hydrone in the waste water can permeate to one side of clean rivers, and the micelle is then unable to pass through to the messenger also can't pass through by the adsorbed fluorinion of micelle, realizes the effect of defluorinating.

Referring to fig. 8, a second discharging pipe 407 is disposed on the purification box 401 for discharging waste water, so as to facilitate reuse of the purification box 401, and a third electric control switch 408 is disposed on the second discharging pipe 407 for controlling on/off of the second discharging pipe 407.

The process flow comprises the following steps: firstly, calcium salt chemicals are fully combined with the wastewater, so that calcium ions and fluoride ions react to generate calcium difluoride, and the calcium difluoride is insoluble in water, so that the calcium difluoride is precipitated, and the first precipitation and fluorine removal are realized, and the first precipitation and fluorine removal is suitable for treating the fluorine-containing wastewater with high concentration;

after the first precipitation and fluorine removal, the wastewater flows to the second precipitation partition plate 205, and then ferric salt and aluminum salt coagulants are added, wherein the ferric salt and the aluminum salt coagulants can generate positively charged rubber wheels in the water, so that the fluoride ions in the wastewater are adsorbed and polymerized into floccule precipitates, and the secondary precipitation and fluorine removal is realized, while the secondary precipitation and fluorine removal is suitable for the treatment of low-concentration fluorine-containing wastewater, and the fluoride ions adsorbed by colloidal particles can not be completely polymerized into floccule precipitates, so that conditions are provided for the third time of fluorine removal;

waste water after secondary precipitation and fluorine removal is conveyed into the purification box 401 through the water outlet pipe 311, and the pressure on one side of the waste water is greater than the osmotic pressure of liquid surfaces on two sides through the extrusion of the extrusion partition plate 406, so that the water on one side of the waste water permeates to one side of clean water flow through the reverse osmosis membrane 402, and the third fluorine removal is realized.

When the device is used specifically, a worker takes the rotary support sleeve 107 down firstly, then sleeves the fixed sleeve 202 on the main support pipe 104, and inserts the plurality of plugging blocks 204 aiming at the lower leakage hole 103, so that the first precipitation partition plate 201 is attached to the main support partition plate 101, then clamps the rotary support sleeve 107 on the rotary upright rod 105, and pours fluorine-containing wastewater into the support shell 1;

after the wastewater is poured, the staff pours calcium salt into the supporting shell 1, then rotates the rotating wheel 108, so that the rotating wheel 108 drives the rotating supporting sleeve 107 and the rotating upright rod 105 to rotate, thereby driving the upper stirring rods 110 to rotate, so that the calcium salt and the wastewater are fully mixed, and then stands for a period of time, so that calcium ions and fluorine ions react to generate calcium difluoride, and the calcium difluoride is insoluble in water, so that the effect of removing the fluorine ions is achieved;

after calcium salt and wastewater fully react for a period of time, a worker takes down the rotary support sleeve 107, then takes out the first precipitation partition plate 201 and the fixed sleeve 202, and in the process of lifting up the first precipitation partition plate 201, the blocking block 204 leaves the lower leakage hole 103, then the wastewater falls onto the second precipitation partition plate 205 through the hole 203 and the lower leakage hole 103, then the pair of first electric control switches 111 is opened to enable two coagulants, namely, ferric salt and aluminum salt, in the pair of storage tanks 112 to enter the second precipitation partition plate 205 to be combined with the wastewater, and the rotary support sleeve 107 is rotated to drive the rotary upright rods 105 to rotate, so that the lower stirring rods 109 can rotate to achieve the effect of full stirring;

ferric salt and aluminum salt coagulant can form positively charged colloidal particles in water, the colloidal particles can attract fluorine ions in the wastewater and polymerize into floccule precipitate, so that the effect of removing the fluorine ions is achieved, then a worker opens the second electric control switch 206 to enable the wastewater and the precipitate to fall into the first discharging pipe 301 together, and then the motor 304 is started;

after the motor 304 is started, the auger 303 is driven to rotate by rotating the supporting rod 302, so that precipitates and wastewater are pushed to move, the wastewater flows downwards into the transitional liquid storage tank 306 through the connecting pipe 307 in the moving process, the precipitates and the wastewater are separated, and then the water pump 309 is started, so that the wastewater can be pumped out by the water suction pipe 310 and is conveyed into the purification tank 401 through the water outlet pipe 311;

after the wastewater is conveyed into the purification box 401, a worker starts the driving cylinder 404 to enable the driving cylinder 404 to control the piston rod 405 to push the extrusion clapboard 406, after the extrusion clapboard 406 is pressed to exceed the communication port of the water outlet pipe 311 and the purification box 401, because the lower part of the extrusion clapboard 406 is a closed space, the pressure below the extrusion clapboard 406 can be increased when the extrusion clapboard 406 is continuously pressed, so that the time-consuming pressure is increased, when the pressure is increased to exceed the osmotic pressure of the reverse osmosis membrane 402, water molecules in the wastewater can be subjected to reverse osmosis towards the other side through the reverse osmosis membrane 402 to realize the effect of wastewater defluorination, finally, the third electric control switch 408 is opened to discharge the wastewater with impurities and fluorides through the second discharge pipe 407, and clean water is taken out from the other side to realize the wastewater defluorination.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. An energy-concerving and environment-protective type waste water fluorine removal equipment which characterized in that includes:

support shell (1), install main supporting baffle (101) in supporting shell (1), it has a plurality of evenly distributed's lower small opening (103) to cut on main supporting baffle (101), main supporting baffle (101) center pin department is equipped with supports agitating unit, the below of supporting shell (1) is equipped with a pair of supporting riser (102), it includes main tributary stay tube (104) to support agitating unit, main tributary stay tube (104) interpolation is equipped with rotatory pole setting (105), be connected with a plurality of support bearing (106) between rotatory pole setting (105) and main tributary stay tube (104), the one end of rotatory pole setting (105) is just out of shape and sets up, the pot head of rotatory pole setting (105) is equipped with rotation support cover (107), install on rotation support cover (107) and install rotation wheel (108), rotation pole setting (105) keep away from the one end of rotation support cover (107) and install a plurality of lower puddlers (109), install on rotation support cover (107) a plurality of upper stirring rods (110), install a plurality of first electric control switch (111) on supporting shell (1), be equipped with automatically controlled switch (111) and deposit material jar (112) and deposit the ferric salt, the stirring is used for stirring iron salt (112) and stir the stirring, the stirring effect of stirring, aluminium salt (109) is used for stirring, the ferric salt, the upper stirring rod (110) is used for stirring the mixture of calcium salt and wastewater, so that calcium ions and fluorine ions are fully combined, and the fluorine removal effect of the wastewater is further improved;

the first purification mechanism (2) is arranged in the support shell (1), the first purification mechanism (2) comprises a first precipitation partition plate (201), the first precipitation partition plate (201) is arranged above the main support partition plate (101), a plurality of uniformly distributed holes (203) are drilled in the first precipitation partition plate (201), a plurality of plugging blocks (204) are arranged on one surface, close to the main support partition plate (101), of the first precipitation partition plate (201), the plugging blocks (204) are matched with the lower leakage holes (103) and are arranged in a one-to-one correspondence manner, and a second precipitation partition plate (205) is arranged below the first precipitation partition plate (201);

the discharging and conveying mechanism (3) is arranged below the supporting shell (1), the discharging and conveying mechanism (3) is used for discharging precipitates and realizing separation of the precipitates and wastewater, and is convenient for further defluorination treatment of the wastewater, the discharging and conveying mechanism (3) comprises a first discharging pipe (301), a rotary supporting rod (302) is arranged in the first discharging pipe (301), and a packing auger (303) is arranged on the rotary supporting rod (302);

second purification mechanism (4) is located one side of support shell (1), second purification mechanism (4) are used for further defluorinating the waste water that ejection of compact conveying mechanism (3) separated, make the fluorine percentage can reach china's emission standard in the waste water of final discharge, second purification mechanism (4) are including purifying box (401), be equipped with reverse osmosis membrane (402) in purifying box (401), one side of reverse osmosis membrane (402) is equipped with closing cap board (403), install on closing cap board (403) and drive actuating cylinder (404), it is connected with piston rod (405) on actuating cylinder (404), the other end of piston rod (405) is inserted and is located in purifying box (401), piston rod (405) are located one end in purifying box (401) is connected with extrusion baffle (406).

2. The energy-saving and environment-friendly wastewater fluorine removal equipment as claimed in claim 1, wherein a fixing sleeve (202) is arranged on the first settling partition plate (201), the fixing sleeve (202) is sleeved on the main supporting pipe (104), and a second electrically controlled switch (206) is arranged on the second settling partition plate (205).

3. The energy-saving and environment-friendly wastewater fluorine removal equipment as claimed in claim 1, wherein a motor (304) is installed outside the first discharging pipe (301), one end of the rotary supporting rod (302) penetrates through the first discharging pipe (301) and is connected with the motor (304), and a fixed bearing (305) is connected between the rotary supporting rod (302) and the first discharging pipe (301).

4. The energy-saving and environment-friendly wastewater fluorine removal equipment as claimed in claim 1, wherein a transition liquid storage tank (306) is arranged below the first discharge pipe (301), a plurality of connecting pipes (307) are connected between the transition liquid storage tank (306) and the first discharge pipe (301), a collection frame (308) is arranged on one side of the transition liquid storage tank (306), a water pump (309) is installed on the other side of the transition liquid storage tank (306), and a water suction pipe (310) and a water outlet pipe (311) are connected to the water pump (309).

5. The energy-saving and environment-friendly wastewater fluorine removal equipment as claimed in claim 1, wherein a second discharge pipe (407) is arranged on the purification box (401), and a third electric control switch (408) is arranged on the second discharge pipe (407).

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