CN210048615U - Novel sewage treatment equipment - Google Patents

Abstract

The utility model discloses a novel sewage treatment device, include the cauldron body, locate the internal agitating unit of cauldron, with agitating unit matched with aeration equipment, be used for cleaing away the recovery unit who retrieves the catalyst and with cauldron body matched with preprocessing device, preprocessing device includes outer barrel, locates the internal interior barrel of urceolus, locating sewage import on the interior barrel, locate the internal filter assembly of inner tube and be used for adsorbing magnetic metal's absorption assembly. The utility model can fully and uniformly introduce air into the kettle body, so that oxygen in the air can fully treat organic matters without sewage, and the sewage treatment efficiency is improved; the catalyst is convenient to recycle; the sewage can be pretreated before entering the kettle body, and magnetic metals and solid impurities in the sewage can be removed, so that the magnetic metals can be recycled, and the subsequent oxidation treatment is facilitated.

Description

Novel sewage treatment equipment

Technical Field

The utility model belongs to the technical field of sewage treatment, especially, relate to a novel sewage treatment device.

Background

The wet air catalytic oxidation method is characterized in that a proper catalyst is added in the traditional wet oxidation treatment process to enable the oxidation reaction to be completed under a milder condition in a shorter time, the catalyst used in the reaction process is soluble transition metal salt or insoluble solid catalyst, but the existing wet air catalytic oxidation equipment usually prevents the solid catalyst from settling in a stirring mode, but the solid catalyst deposited at the bottom is difficult to act only by stirring, so that the efficiency of the whole catalytic oxidation reaction is reduced, and the treatment effect of sewage is seriously influenced; insoluble solid impurities in the sewage are required to be filtered before the sewage is subjected to air oxidation treatment, but certain magnetic metal impurities also exist in the industrial sewage, and if the magnetic metal impurities and other non-metal impurities are filtered together, the magnetic metal cannot be effectively recycled.

Prior art is like CN 107986548A's chinese patent, this patent is sewage treatment device, including the frame with establish the sewage treatment case in the frame, the sewage treatment case includes water treatment chamber and air cavity, the air cavity is outside water treatment chamber, water treatment chamber lateral wall all stretches out sewage treatment roof portion, air cavity and water treatment chamber lateral wall form the confined space, water treatment chamber upper portion inner wall is equipped with the slip way, slip way slip sealing connection has first piston board, first piston board is sealed with water treatment chamber, threaded connection has the puddler in the middle of the first piston board, the puddler upper end is rotated and is connected the frame, the puddler upper end is connected with the motor, the part that the puddler is located first piston board below is equipped with stirring vane. This fill through gas and magnetic force decompose impurity and played the effect of dual treatment sewage, but this patent can't be in the sewage magnetic metal impurity carry out independent recovery processing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a novel sewage treatment device of sewage treatment efficiency height, catalyst dispersion is even, recoverable metallic impurity.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel sewage treatment device, includes the cauldron body, locates the internal agitating unit of cauldron, with agitating unit matched with aeration equipment, be used for cleaing away the recovery unit who retrieves the catalyst and with cauldron body matched with preprocessing device, preprocessing device includes outer barrel, locates the internal interior barrel of urceolus, locates the sewage import on the barrel, locates the internal filter component of inner tube and is used for adsorbing magnetic metal's absorption assembly.

The combined arrangement of the stirring device and the aeration device of the utility model can not only lead the air into the kettle body sufficiently and uniformly, but also lead the oxygen in the air to sufficiently treat the organic matters without sewage, thereby improving the sewage treatment efficiency; the recovery device can be used for conveniently and quickly discharging the catalyst in the kettle body for recovery treatment, so that the recovery utilization efficiency of the catalyst is greatly improved; sewage accessible preprocessing device gets rid of the insoluble solid impurity of magnetic metal and great granule wherein before getting into the cauldron body, the subsequent oxidation treatment of being convenient for, pending sewage can be earlier through interior barrel in advance purifying through filtering component, the setting of adsorption component can get rid of the magnetic metal in the sewage, is convenient for carry out recycle to the metal in the sewage.

The filter assembly comprises a second filter screen arranged in the inner cylinder body, a slag discharge port arranged on the second filter screen and a slag scraping structure matched with the second filter screen; after the barrel in sewage got into, the insoluble solid particle of big granule in the sewage can be got rid of to the second filter screen, scrapes setting up of sediment structure and can be with the quick thorough clear of solid impurity who holds back on the second filter screen.

The slag scraping structure comprises a barrel part at the bottom of the inner barrel, a third driving part arranged in the barrel part, a rotating rod with one end connected with the third driving part and a scraping part arranged at the other end of the rotating rod, and the rotating rod extends into the inner barrel; the third driving piece can drive the rotating rod to rotate, the rotating rod can drive the scraping piece to move on the second filter plate in the rotating process, and then the scraping piece can scrape impurities on the second filter screen to the position where the slag discharging port is formed to discharge the impurities, the structure is simple, and the slag discharging speed is high.

An adsorption filter layer is arranged in the outer cylinder body; the setting up of adsorption and filtration layer accessible physical adsorption's mode is got rid of the solid impurity of less granule in the sewage, can further improve the preliminary treatment effect of sewage.

The stirring device comprises a stirring cylinder body arranged in the kettle body, a first inner pipe body arranged in the stirring cylinder body, a second inner pipe body arranged opposite to the first inner pipe body, a first driving piece used for driving the stirring cylinder body to rotate, a second driving component used for driving the first inner pipe body and the second inner pipe body to move up and down simultaneously, and a first stirring component capable of rotating and moving up and down in the kettle body; first stirring subassembly can be at the internal rotation of cauldron, make first stirring subassembly can stir the sewage of whole level department, first stirring subassembly action still can be from top to bottom simultaneously, make first stirring subassembly still can stir the sewage of each high department, can carry out abundant stirring to the internal sewage of whole cauldron through such setting, make insoluble solid catalyst evenly dispersed in the cauldron is internal, the improvement of very big degree organic matter area of contact in catalyst and the sewage, further can improve the catalytic efficiency of catalyst to the reaction.

The second driving assembly comprises a supporting plate arranged at the bottom of the kettle body, a first supporting column arranged on the supporting plate and a first rack capable of moving up and down on the first supporting column, and the other end of the first rack is connected with the first inner pipe body; the first rack is connected with the first inner pipe body, when the first rack moves up and down in the first supporting column, the first pipe body can be driven to move up and down, and the structure is simple and stable.

The second driving component also comprises a second supporting column arranged opposite to the first supporting column, a second rack capable of moving up and down on the second supporting column and a driving structure for driving the first rack and the second rack to move simultaneously, and the second rack is connected with the second inner pipe body; the second rack is connected with the second inner tube body, when the second rack moves up and down in the first supporting column, the second inner tube body can be driven to move up and down, the driving structure can simultaneously drive the first rack and the second gear to move, the first rack and the second gear can be simultaneously driven to move through the driving structure, energy consumption is greatly saved, and meanwhile, the synchronism of the first rack and the second rack is improved.

The driving structure comprises a gear meshed with the first rack, a first rotating shaft with one end connected with the gear and a second driving piece connected with the other end of the first rotating shaft, and the gear is meshed with the second rack; the second driving piece drives the first rotating shaft to rotate forwards and backwards, the first rotating shaft drives the gear to rotate forwards and backwards, the gear can drive the first rack and the second gear to move up and down alternately when rotating forwards and backwards, the structure is simple to set, and the failure rate is low.

The first stirring assembly comprises a first through groove arranged on the stirring cylinder body and a first stirring piece capable of moving up and down in the first through groove, and the first stirring piece is arranged on the first inner pipe body; when the internal up-and-down motion of first interior, can drive first stirring piece and move about in first logical inslot, stirring barrel pivoted in-process can drive first stirring piece and rotate together simultaneously for the up-and-down motion when first stirring piece pivoted can improve the stirring effect to sewage greatly, further improves the treatment effect of sewage.

In conclusion, the utility model can fully and uniformly introduce air into the kettle body, so that oxygen in the air can fully treat organic matters without sewage, and the sewage treatment efficiency is improved; the catalyst is convenient to recycle; the sewage can be pretreated before entering the kettle body, and magnetic metals and solid impurities in the sewage can be removed, so that the magnetic metals can be recycled, and the subsequent oxidation treatment is facilitated.

Drawings

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

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic cross-sectional view taken along line a-a in fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an enlarged view at B in fig. 3.

Fig. 6 is a schematic cross-sectional view taken along line B-B in fig. 2.

Fig. 7 is an enlarged view at C in fig. 6.

Fig. 8 is a schematic structural view of the first stirring member of the present invention.

Fig. 9 is a partial schematic structural diagram of the present invention.

Fig. 10 is a schematic structural diagram of the pretreatment device of the present invention.

Fig. 11 is a side view of fig. 10.

Fig. 12 is a schematic cross-sectional view at C-C in fig. 11.

Fig. 13 is a schematic cross-sectional view taken at D-D in fig. 11.

Detailed Description

As shown in figures 1-13, a novel sewage treatment device comprises a kettle body 1, a stirring device, an aeration device, a recovery device and a pretreatment device, the kettle body 1 is a metal kettle body, the stirring device is used for stirring sewage in the kettle body, specifically, the stirring device comprises a stirring cylinder 21, a first inner pipe 22, a second inner pipe 23, a first driving piece 24, a second driving component and a first stirring component, the stirring cylinder 21 is a metal cylinder, the stirring cylinder 21 is disposed in the kettle 1, the first driving member 24 is a commercially available motor, the detailed structure and principle of which are not described herein, the output end of the second driving member 24 is connected to one end of a hollow rotating shaft 241, the hollow rotating shaft 241 is a metal shaft, the other end of the hollow rotating shaft 241 is welded to the top end of the stirring cylinder 21, and the first driving member drives the stirring cylinder to rotate through the hollow rotating shaft.

The first inner tube 22 and the second inner tube 23 are both a metal tube, preferably, the first inner tube 22 is a half tube, that is, a part of the surface of the first inner tube is an arc surface, and the other part is a plane, the first inner tube 22 is disposed in the stirring cylinder 21, the second inner tube 23 is also a half tube, the second inner tube 23 is disposed in the stirring cylinder 21, the second inner tube 23 is disposed opposite to the first inner tube 22, and preferably, the plane end of the second inner tube 23 is opposite to the plane end of the first inner tube 22.

The second driving assembly can be used for simultaneously driving the first inner tube 22 and the second inner tube 23 to move up and down, and specifically, the second driving assembly includes a supporting plate 251, a first supporting column 252, a second supporting column 253, a first rack 254, a second rack 255 and a driving structure, the supporting plate 251 is a metal plate, the supporting plate 251 is disposed at the bottom of the kettle 1, and the supporting plate 251 can rotate on the kettle 1, the first supporting column 252 is a metal member, one end of the first supporting column 252 is welded to the supporting member 251, and preferably, the first supporting column 252 is provided with a first groove 256, the first rack 254 is a metal member, the first rack 254 is disposed in the first recess 256, the first rack 254 is movable up and down in the first recess 256, one end of the first rack is connected to the bottom end of the first inner tube 22, and the first rack can drive the first inner tube to move up and down in the process of moving up and down.

The second supporting pillar 253 is a metal member, one end of the second supporting pillar 253 is welded on the supporting member 251, and preferably, the second supporting pillar 253 is provided with a second groove 257, which is not labeled with a reference numeral for a view angle; the second rack 255 is a metal member, the second rack 255 is disposed in the second concave groove 257, the second rack 255 can move up and down in the second concave groove 257, one end of the second rack is connected to the bottom end of the second inner tube 23, and the second rack can drive the second inner tube to move up and down in the process of moving up and down.

The driving structure includes a gear 261, a first rotating shaft 262 and a second driving element 263, the gear 261 is a metal gear, the gear 261 is engaged with the first rack 254 and the second rack 255 at the same time, the first rotating shaft 262 is a metal shaft, one end of the first rotating shaft 262 is connected with the gear 261, the other end of the first rotating shaft 262 is connected with the second driving element 263, the second driving element 263 is a stepping motor that can be purchased directly from the market, and the specific structure and principle are not described herein again; the second driving piece drives the gear to rotate forwards and backwards through the first rotating shaft, and the gear can drive the first rack and the second rack to alternately move up and down when rotating forwards and backwards, so that the first inner pipe body and the second inner pipe body can be driven to alternately move up and down.

The cauldron body 1 is equipped with first cavity 11 from last to once down, second cavity 12 and third cavity 13, be equipped with first filter 14 between first cavity 11 and the second cavity 12, be equipped with first filter 15 between second cavity 12 and the third cavity 13, first filter 14 and second filter 15 are a metalwork, all be equipped with the drainage hole on this first filter and the second filter, sewage can follow in the drainage hole, the unable drainage hole that passes through of insoluble solid catalyst.

The first stirring assembly comprises a first through groove 271, a first stirring member 272, a second through groove 273 and a second stirring member 274, the first through groove 271 is arranged on the stirring cylinder 21, a sleeve 277 is arranged on the stirring cylinder 21 at the upper and lower positions of the first through groove 271, the sleeve 277 is a rubber ring, the sleeve 277 is sleeved on the first inner cylinder and the second inner cylinder, the outer wall of the sleeve 277 is bonded on the inner wall of the stirring cylinder 21, the arrangement of the sleeve 277 can effectively prevent sewage from entering the stirring cylinder, preferably, the number of the first through grooves 271 is three, the three first through grooves 271 are respectively arranged in the first chamber 11, the second chamber 12 and the third chamber 13, the first stirring member 272 can move up and down in the first through groove 271, correspondingly, the number of the first stirring member 272 is three, the first stirring member 272 is arranged on the first inner cylinder 22, and the first stirring member can be driven to move up and down in the first through groove in the process of moving up and down of the first cylinder, first stirring piece 272 is including connecting pipe portion 275 and stirring portion 276, and this connecting pipe portion 275 and stirring portion 276 integrated into one piece, this connecting pipe portion 275 and first interior body 22 are linked together, and the upper and lower surface area of stirring portion 276 is the plane, and the side is the arcwall face, and the resistance that receives when this arcwall face's structure setting can reduce first stirring piece and rotate.

The second through groove 273 is formed in the stirring cylinder 21, the second through groove 273 is opposite to the first through groove 271, the number of the second through grooves 273 is three, the three second through grooves 273 are respectively formed in the first chamber 11, the second chamber 12 and the third chamber 13, the second stirring member 274 can move up and down in the second through groove 273, correspondingly, the number of the second stirring member 274 is three, the second stirring member 274 is formed in the second inner pipe 23, the second stirring member can be driven to move up and down in the second through groove in the process of moving up and down in the second inner pipe, the second stirring member 274 is identical to the first stirring member in structure and principle, and details are not repeated herein.

When the first inner pipe body moves up and down, the first stirring piece can be driven to move up and down in the first through groove, meanwhile, the first stirring piece can be driven to rotate together in the rotating process of the stirring barrel body, the first stirring piece can move up and down while rotating, meanwhile, when the second inner pipe body moves up and down, the second stirring piece can be driven to move up and down in the second through groove, meanwhile, the second stirring piece can be driven to rotate together in the rotating process of the stirring barrel body, the second stirring piece can move up and down while rotating, and the treatment effect on sewage can be further improved through the matching of the second stirring piece and the first stirring piece.

The aeration device is matched with the stirring device, and concretely comprises a first aeration piece 31, an aeration head 32 and a second aeration piece 33, wherein the first aeration piece 31 and the second aeration piece 33 are both positioned on a supporting plate, the first aeration piece 31 and the second aeration piece 33 are directly available aeration pieces on the market, the specific structure and principle are not repeated herein, the air inlet end of the first aeration piece 31 is connected with a first air inlet pipe 311, the first air inlet pipe 311 is a metal pipe, one end of the first air inlet pipe 311 is communicated with the outside, the air outlet end of the first aeration piece 31 is connected with a first corrugated pipe 312, the first corrugated pipe 312 is a rubber corrugated pipe, one end of the first corrugated pipe 312 is bonded with one end of the first air outlet pipe 313, the first air outlet pipe 313 is a metal pipe, and the other end of the first air outlet pipe 313 is communicated with the first inner pipe body 22.

The air inlet end of the second aeration member 33 is connected to the second air inlet pipe 331, the second air inlet pipe 331 is a two-metal pipe, one end of the second air inlet pipe 331 is connected to the outside, the air outlet end of the second aeration member 33 is connected to the second corrugated pipe 332, the second corrugated pipe 332 is a rubber corrugated pipe, one end of the second corrugated pipe 332 is bonded to one end of the second air outlet pipe 333, the second air outlet pipe 333 is a metal pipe, and the other end of the second air outlet pipe 333 is connected to the second inner pipe 23.

Aeration head 32 is the ordinary aeration head that can directly purchase on the market, and concrete structure principle no longer gives unnecessary details here, and this aeration head is provided with a plurality ofly altogether, and on first stirring piece was located to one of them part, it is specific, this part aeration head equipartition respectively on the upper surface and the lower surface of first stirring piece, and on second stirring piece was located to another part wherein, it is specific, this part aeration head equipartition respectively on the upper surface and the lower surface of second stirring piece.

The first aeration piece can introduce air into the first inner pipe body and introduce the air into the sewage through an aeration head arranged on the first stirring piece, the second aeration piece can introduce the air into the second inner pipe body and introduce the air into the sewage through the aeration head arranged on the second stirring piece, the aeration head can rotate and move up and down along with the first stirring piece or the second stirring piece, the air can be uniformly dispersed in the sewage quickly and efficiently, and the reaction rate of oxygen in the air and organic matters can be further improved; meanwhile, the aeration head is arranged on the first stirring piece or the second stirring piece, so that the solid catalyst can be blown away from the first stirring piece to a certain extent, the contact friction between the solid catalyst and the first stirring piece or the second stirring piece can be reduced, and the service life of the first stirring piece or the second stirring piece is prolonged; in addition, in the process that the first stirring piece and the second stirring piece move up and down, the catalyst deposited at the bottom of the water filtering piece can be blown up by air sprayed by the aeration heads arranged on the first stirring piece or the second stirring piece, so that the dispersion uniformity of the catalyst in the sewage is further improved, and the sewage treatment efficiency is further improved.

Preferably, in order to improve the stability of the up-and-down motion of the first inner tube and the second inner tube, a first damping assembly is disposed on the first inner tube, a second damping assembly is disposed on the second inner tube, the first damping assembly and the second damping assembly have the same structure and principle, and only the first damping assembly will be described in detail herein, specifically, the first damping assembly includes a moving member 281, a first elastic member 282 and a through hole 283, the moving member 281 is a metal rod, one end of the moving member 281 is welded on the top of the first inner tube 22, the first elastic member 282 is a spring, the first elastic member 282 is sleeved on the moving member 281, one end of the first elastic member 282 is connected on the top of the first inner tube 22, the other end of the first elastic member 282 is connected on the top of the stirring tube 283 21, the through hole is formed on the top of the stirring tube 21, when the moving member moves upwards along with the first inner tube, the moving part can enter the hollow shaft body through the through hole, and the stability of the up-and-down action of the first inner pipe body can be greatly improved through the arrangement of the first damping assembly 28.

In order to facilitate carrying out recovery processing with the internal catalyst discharge of cauldron fast, improve the recycle efficiency of catalyst, recovery unit has been set up, and is specific, and recovery unit includes first valve 41, second valve 42 and scraper blade subassembly, and first valve 41 and second valve 42 are the solenoid valve that can directly purchase on the market, and concrete structure and principle are no longer repeated here, and first valve 41 is located on first water filtering piece 14, and second valve 42 is located on second water filtering piece 15.

In the scraper blade subassembly was located third chamber 13, catalyst accessible first valve entering second chamber in the first chamber, the second chamber and the catalyst that comes from first chamber accessible second valve entering third chamber again, discharge from the third chamber under scraper blade subassembly's effect at last, whole discharge process easy operation can carry out recycle to the catalyst fast.

Specifically, the scraper component includes an opening 431, a scraper 432, a first electromagnet 433, a second electromagnet 434 and a collar 435, the opening 431 is disposed at the bottom of the third chamber 13, the scraper 432 is disposed at a position corresponding to the opening 431, the scraper 432 includes a blocking part 436, a scraping part 437 and a blocking part 438, when the catalyst is not required to be recovered, the blocking part 436 is located at the opening 431 to block the opening 431, the scraping part 437 can scrape the catalyst deposited at the bottom of the third chamber, the blocking part 438 can block the scraped catalyst, so that the scraped catalyst moves to the opening along with the scraper and is discharged, the first electromagnet 433 is disposed at an end of the blocking part 436, the second electromagnet 434 is matched with the first electromagnet 433, the second electromagnet 434 is disposed on the collar 435, the collar 435 is a metal ring, and the collar 435 is sleeved on the stirring cylinder 21; the lantern ring can rotate under the drive of stirring barrel, and after first electro-magnet and second electro-magnet circular telegram, the second electro-magnet can be held first electro-magnet to the drive scrapes the plate and moves together, scrapes the plate and can scrape the catalyst to the opening part discharge at the in-process of motion, under the effect of scraper blade subassembly, can be with the quick thorough discharge of catalyst that is located the third chamber.

Preferably, a box body 441 is disposed at a position corresponding to the opening 431, the box body 441 is a metal box, an outlet pipe 442 is disposed at one end of the box body 441, the outlet pipe 442 is a metal pipe, and the catalyst discharged from the opening is discharged from the outlet pipe 442 to the outside of the kettle body through the box body, and preferably, an inclined plate 443 is disposed in the box body 441, the inclined plate 443 is a metal plate, and the inclined plate is disposed to facilitate the catalyst to be discharged from the box body.

A drain 131 is disposed at the bottom of the third chamber 13, preferably, a first filter screen 139 is disposed at the drain 131, the first filter screen 139 is a metal screen through which the sewage can pass, and the catalyst cannot pass, a drain pipe 132 is disposed at a position corresponding to the drain 131, the drain pipe 132 is a metal pipe, a return pipe 133 is disposed on the drain pipe 132, the return pipe 133 is a metal pipe, one end of the return pipe 133 can be communicated with the drain pipe 132, a third valve 137 is disposed at the return pipe at the end, the third valve 137 is a common ball valve directly available on the market, the detailed structure and principle are not repeated herein, the third valve is not drawn in the drawing, the other end of the return pipe 133 is matched with the kettle 1, the drain pipe 132 is disposed with a fourth valve 138, and the fourth valve 138 is also a common ball valve directly available on the market, the detailed structure and principle are not described herein, and the fourth valve is not drawn in the drawings; when the third valve is opened and the fourth valve is closed, water discharged from the water outlet can flow back into the kettle body through the return pipe, and when the third valve is closed, the fourth valve is opened, and the water discharged from the water outlet can be directly discharged through the water discharge pipe; the sewage after the processing can be discharged from the drain pipe and enters the next treatment operation, and the setting of back flow pipe can carry out the backward flow treatment to sewage on the one hand, further improves the treatment effect to sewage, and on the other hand can be when retrieving the collection to the catalyst, reuse water resource reduces the waste of water resource.

Preferably, the return pipe 133 is provided with a first branch pipe 134, one end of the first branch pipe 134 is communicated with the return pipe, the other end of the first branch pipe 134 is communicated with the first chamber, the return pipe 133 is provided with a second branch pipe 135, one end of the second branch pipe 135 is communicated with the return pipe, the other end of the second branch pipe 135 is communicated with the second chamber, the return pipe 133 is provided with a third branch pipe 136, one end of the third branch pipe 136 is communicated with the return pipe, and the other end of the third branch pipe 136 is communicated with the third chamber; preferably, in order to facilitate the smooth delivery of the water body to the kettle body, a water pump is arranged at a corresponding position of the return pipe, and the water pump is not drawn in the attached drawing.

Preferably, the upper part of the kettle body 1 is provided with a sewage inlet pipe 16, in order to add the catalyst into the kettle body, the side wall of the first chamber 11 is provided with a first feed port 111, the side wall of the second chamber 12 is provided with a second feed port 121, and the side wall of the third chamber 13 is provided with a third feed port 131; preferably, the heating device and the pressure device are not provided in this embodiment, and specifically, the heating device and the pressure device may be designed conventionally according to actual needs, which is not described herein.

Sewage accessible preprocessing device carries out the preliminary treatment to sewage before getting into the cauldron internal oxidation treatment, and is concrete, and preprocessing device includes outer barrel 61, interior barrel 62, sewage import 66, filtering component and adsorption component, and outer barrel 61 is a metal cylinder, and interior barrel 62 also is a metal cylinder, and this interior barrel 62 is located in outer barrel 61, and the bottom of barrel 62 in sewage import 66 located, and the sewage of treating can follow that sewage import gets into the internal barrel and handle.

The filter assembly is arranged in the inner cylinder 62, specifically, the filter assembly 63 includes a second filter screen 631, a slag discharge port 632 and a slag scraping structure, the second filter screen 631 is arranged at the bottom of the inner cylinder 62, the slag discharge port 632 is arranged on the second filter screen 631, and the reference numerals of the slag discharge port 632 are not labeled in the drawing due to the view angle; preferably, a slag discharge pipe 633 is arranged at a position corresponding to the slag discharge port 632, the slag discharge pipe 633 is a metal pipe, and the slag discharge pipe 633 can discharge impurities to the outside for centralized treatment; the slag scraping structure comprises a barrel part 651, a third driving part 652, a rotating rod 653 and a scraping part 654, wherein the barrel part 651 is a metal barrel, the barrel part 651 is arranged at the bottom of the inner barrel 62, sewage can enter the barrel part after passing through a second filter screen, the third driving part 652 is a motor which can be directly purchased in the market, the specific structure and principle are not repeated herein, preferably, a shell is covered outside the third driving part to prevent the sewage from influencing the normal operation of the motor, and the shell is not drawn in the attached drawings; one end of the third driving member 652 is connected to one end of the rotating rod 653, the rotating rod 653 is a metal rod, the other end of the rotating rod 653 extends into the inner cylinder 62, the rotating rod 653 is coupled to the inner cylinder 62 through a bearing, one end of the rotating rod 653 is provided with a scraper 654, the scraper 654 is a metal plate, one end of the scraper 654 is welded to the rotating rod 653, the scraper 654 can rotate on the second filter screen, the third driving member can drive the rotating rod to rotate, and the rotating rod can drive the scraper to move on the second filter screen, so as to remove solid impurities on the second filter screen, preferably, when the scraper 654 does not scrape materials, the scraper 654 is located at the residue discharge port 632, and can seal the residue discharge port.

The adsorption assembly can remove and recover magnetic metal impurities in sewage, specifically, the adsorption assembly includes a fourth driving part 641, a stirring shaft 642, stirring blades 643 and magnets 644, the fourth driving part 641 is a commercially available motor, details of the structure and the principle are not repeated herein, the stirring shaft 642 is a metal shaft, one end of the stirring shaft 642 is connected with an output end of the fourth driving part 641, the other end of the stirring shaft 642 extends into the inner cylinder 62, the stirring shaft 642 is matched with the inner cylinder 62 through a bearing, the stirring blades 643 are metal pieces, preferably, the stirring blades 643 are three in number, and are welded on the stirring shaft 642 at uniform intervals along the circumferential direction of the stirring shaft, the magnets 644 are electromagnets, and the magnets 644 are arranged on the stirring blades 643; the fourth driving part drives the stirring shaft to rotate, the stirring shaft drives the stirring blades to rotate in the rotating process, and then the magnets on the stirring blades can adsorb and remove the magnetic metal in the sewage.

Under the circumstances of electro-magnet circular telegram, the magnetic metal in the sewage can be adsorbed on the magnet on the stirring leaf, with the solid impurity on the second filter screen discharge back, to the electro-magnet outage, the metal that adsorbs on the stirring leaf this moment can drop on the second filter screen under the effect of self gravity, can discharge magnetic metal from row's cinder notch through scraping the sediment structure, can retrieve alone magnetic metal through setting up like this, the magnetic metal's of being convenient for recycle.

The cylinder member 651 is provided with a plurality of round holes 655, sewage passing through the inner cylinder body can flow into the outer cylinder body from the round holes for further purification, the outer cylinder body 61 is internally provided with an adsorption and filtration layer 611, the adsorption and filtration layer 611 is an activated carbon layer, small particle solid impurities in the sewage can be removed through the activated carbon layer, and the purification effect of the sewage can be further improved; preferably, this adsorption and filtration layer upper portion is equipped with first second filter screen 612, this adsorption and filtration layer lower part is equipped with second filter layer 613, this first second filter screen 612 is a metalwork with second filter screen 613, first second filter screen of sewage accessible and second filter screen, and activated carbon can not be through first second filter screen and second filter screen, can effectively avoid activated carbon to move along with sewage together, the internal sewage of urceolus is from supreme motion down, set up like this and to improve the dwell time of sewage on the activated carbon layer, can fully carry out purification treatment to sewage.

A liquid discharge port 67 is formed in the upper portion of the side face of the outer cylinder 61, and pretreated sewage is discharged through the liquid discharge port 67 for slag discharge and enters the kettle body through the sewage inlet 16 for oxidation treatment; the bottom of outer barrel is equipped with a pillar 614, and this pillar 614 is a metal column, and this pillar 614 is equipped with two altogether, plays the supporting role to outer barrel jointly, and preferably, the bottom of outer barrel 61 is equipped with an opening 615, and the corresponding position department of this opening 615 is equipped with a valve, and this valve is the ball valve that can directly purchase on the market, and concrete structure and principle are no longer described herein any more, and this opening can be with the water discharge of outer barrel bottom.

Claims (9)

1. The utility model provides a novel sewage treatment device, includes the cauldron body (1), locates agitating unit (2) in the cauldron body (1), with agitating unit (2) matched with aeration equipment (3), be used for driving recovery unit (4) of retrieving the catalyst and with cauldron body (1) matched with preprocessing device, its characterized in that: the pretreatment device comprises an outer cylinder body (61), an inner cylinder body (62) arranged in the outer cylinder body (61), a sewage inlet (66) arranged on the inner cylinder body (62), a filtering component arranged in the inner cylinder body (62) and an adsorption component used for adsorbing magnetic metal.

2. The novel sewage treatment apparatus according to claim 1, wherein: the filtering component comprises a second filtering net (631) arranged in the inner cylinder body (62), a slag discharge port (632) arranged on the second filtering net (631) and a slag scraping structure matched with the second filtering net (631).

3. The novel sewage treatment apparatus according to claim 2, wherein: the slag scraping structure comprises a barrel part (651) at the bottom of the inner barrel body (62), a third driving part (652) arranged in the barrel part (651), a rotating rod (653) with one end connected with the third driving part (652) and a scraping part (654) arranged at the other end of the rotating rod (653), wherein the rotating rod (653) extends into the inner barrel body (62).

4. The novel sewage treatment apparatus according to claim 1, wherein: an adsorption filtering layer (611) is arranged in the outer cylinder body (61).

5. The novel sewage treatment apparatus according to claim 1, wherein: the stirring device (2) comprises a stirring cylinder body (21) arranged in the kettle body (1), a first inner pipe body (22) arranged in the stirring cylinder body (21), a second inner pipe body (23) arranged opposite to the first inner pipe body (22), a first driving piece (24) used for driving the stirring cylinder body (21) to rotate, a second driving component (25) used for driving the first inner pipe body (22) and the second inner pipe body (23) to move up and down simultaneously, and a first stirring component (27) capable of rotating and moving up and down in the kettle body (1).

6. The novel sewage treatment apparatus according to claim 5, wherein: the second driving assembly (25) comprises a supporting plate (251) arranged at the bottom of the kettle body (1), a first supporting column (252) arranged on the supporting plate (251) and a first rack (254) capable of moving up and down on the first supporting column (252), and the other end of the first rack (254) is connected with the first inner pipe body (22).

7. The novel sewage treatment apparatus according to claim 6, wherein: the second driving assembly (25) further comprises a second supporting column (253) arranged opposite to the first supporting column (252), a second rack (255) capable of moving up and down on the second supporting column (253), and a driving structure (26) for driving the first rack (254) and the second rack (255) to move simultaneously, wherein the second rack (255) is connected with the second inner pipe body (23).

8. The novel sewage treatment apparatus according to claim 7, wherein: the driving structure (26) comprises a gear (261) meshed with the first rack (254), a first rotating shaft (262) with one end connected with the gear (261) and a second driving part (263) connected with the other end of the first rotating shaft (262), and the gear (261) is meshed with the second rack (255) at the same time.

9. The novel sewage treatment apparatus according to claim 5, wherein: the first stirring assembly (27) comprises a first through groove (271) arranged on the stirring cylinder body (21) and a first stirring piece (272) capable of moving up and down in the first through groove (271), and the first stirring piece (272) is arranged on the first inner pipe body (22).

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