CN115054988A

CN115054988A - Wastewater purifier for metallurgical wastewater treatment

Info

Publication number: CN115054988A
Application number: CN202210984949.4A
Authority: CN
Inventors: 焦健
Original assignee: Jiangsu Handa Machinery Co ltd
Current assignee: Jiangsu Handa Machinery Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2022-09-16
Anticipated expiration: 2042-08-17
Also published as: CN115054988B

Abstract

The invention discloses a wastewater purifier for metallurgical wastewater treatment, which comprises a hopper bottom, wherein a purification tank is arranged at the upper end of the hopper bottom, and a sedimentation tank is arranged at the upper end of the purification tank. This waste water purifier for metallurgical waste water treatment, through when with the long barrel of cooling waste water guide is inboard, accessible cold water advances the pipe and sends into cold water to annular barrel chamber inboard, through heat-conduction, exchange the surplus heat that contains in the cooling waste water to cold water, carry out recycle with the waste heat in the cooling waste water, with the value maximize of cooling waste water, need not to open the top jar of body, can accomplish the light of the internal inboard spot of top jar and clean, can carry out vortex guide collection with the part fine particle in the cooling waste water, carry out recycle to cooling waste water, water economy resource, reduce the input cost of coolant liquid in the metallurgical flow.

Description

Wastewater purifier for metallurgical wastewater treatment

Technical Field

The invention relates to the technical field of metallurgical wastewater treatment, in particular to a wastewater purifier for metallurgical wastewater treatment.

Background

The metallurgical industry has a plurality of products, each series of production flows can discharge a large amount of waste water, which is one of main waste water polluting the environment, and the circulating water is an important measure for treating the metallurgical waste water, so that the comprehensive utilization is developed, useful substances and heat energy are recovered from the waste water, and the loss of material fuel is reduced; various water used in enterprises are comprehensively balanced and serially used according to different water quality requirements, and meanwhile, water quality stabilizing measures are improved, so that the cyclic utilization rate of water is continuously improved, and therefore, a treatment device suitable for cooling wastewater generated in metallurgy is needed.

Current metallurgical waste water is waste water purifier for treatment, can't carry out filtration purification recycle to cooling waste water, carry out recycle to the waste heat in the cooling waste water, realize the maximize of cooling waste water value, make the heat in the cooling waste water lose futilely, need open the clarifier and just can wash the maintenance to the structural component of inside, cause the manual maintenance cost height of clarifier, can't carry out the filtration load that the preliminary treatment alleviateed the filter bed to the part fine particle in the cooling waste water.

Disclosure of Invention

In order to solve the technical problem, the invention provides a wastewater purifier for metallurgical wastewater treatment, which comprises a hopper bottom, wherein a purification tank is arranged at the upper end of the hopper bottom, a sedimentation tank is arranged at the upper end of the purification tank, a sealing cover is arranged at the upper end of the sedimentation tank, a motor is arranged in the middle of the upper end of the sealing cover, a filter material layer is arranged on the inner side of the purification tank, a sewage guide mechanism is arranged at the upper end of the filter material layer, one side of the bottom surface of the hopper is connected with a water return pipe, the other side of the bottom surface of the hopper is connected with a heat return pipe, the inner part of the hopper bottom is hollow, and the filter material layer is sequentially provided with a pebble cushion layer, a primary silica sand filter material layer and a secondary silica sand filter material layer from top to bottom.

Preferably, the purifying tank comprises a long barrel, the lower side of the surface of the long barrel is connected with a backflushing pipe, the upper side of the surface of the long barrel is connected with cold water inlet pipes, the other side of the surface of the long barrel is connected with a first sewage discharge pipe, the inner wall of the long barrel is provided with an annular barrel cavity, and the inner wall surface of the annular barrel cavity is connected with a plurality of heat exchange rings at equal intervals.

Preferably, the lead screw is passed through to long barrel bottom and the end flange mounting of falling hopper, the recoil pipe runs through long barrel inner wall and stretches into long barrel inboardly, just long barrel inner wall is close to the lower port and is hourglass hopper-shaped and sets up, cold water advances the pipe and runs through long barrel inner wall and stretches into annular barrel intracavity side, the funnel portion that cobble bed course, one-level silica sand filtering material layer, second grade silica sand filtering material layer were installed on long barrel inner wall by last gomphosis under to in proper order, the backheating pipe runs through at the bottom of the falling hopper, long barrel and stretches into annular barrel intracavity side in proper order, the wet return runs through at the bottom of the falling hopper, long barrel and stretches into long barrel inboardly.

Preferably, the sedimentation tank includes a top tank body, a top tank body inner wall is cavity setting and is linked together with annular cylinder chamber, the closing cap upper end surface is connected with the import pipe, a water level pole is installed to a top tank body inboard, the floater is installed to water level pole bottom, just a top tank body surface is connected with blow off pipe two, fixedly connected with baffle on the internal side bottom plate of top tank, baffle middle part fixed mounting has the honeycomb duct.

Preferably, the internal side of top jar is divided into drip chamber and drainage chamber through bottom plate and baffle cooperation, the import pipe runs through the closing cap and is linked together with the drip chamber of the internal side of top jar, the closing cap passes through lead screw and the flange mounting of the internal end of top jar, two run through the top jar of body and keep level with the bottom plate of the internal side of top jar of blow off pipe, install the suction pump on the honeycomb duct.

Preferably, the sealing ring is installed at the position where the water level rod coincides with the sealing cover, the water level rod is installed in a lifting mode through the sealing ring and the sealing cover, a round opening is formed in a bottom plate on the inner side of the top tank body, the lower end of the flow guide pipe is correspondingly matched with the round opening, a water closing ring is installed between the long cylinder body and the top tank body in an embedded mode, and the upper end of the long cylinder body is installed with a flange at the lower end of the top tank body through a screw rod.

Preferably, lead dirty mechanism and include a well cavity section of thick bamboo, well cavity section of thick bamboo fixed surface is connected with the paddle, plays the stirring drainage effect to cooling waste water to the distribution trend of guide fine particle, just a plurality of water conservancy diversion subassemblies are installed to well cavity section of thick bamboo lower extreme, and install the ball of accomodating of well cavity section of thick bamboo lower extreme, palirrhea mechanism is installed to well cavity section of thick bamboo inboard, accomodate ball upper end gomphosis and install the bearing, the bearing upper end is connected with screwed pipe two, accomodate the ball through bearing and two cooperations of screwed pipe and well cavity section of thick bamboo composite erection.

Preferably, the pivot pole of motor lower extreme runs through the closing cap in proper order, the internal side bottom plate of top jar and stretches into long barrel inboard, is convenient for will lead that dirty mechanism's whole hoist and mount in a jar body bottom promptly long barrel inboard, and wherein, the pivot pole all installs the bearing with the position that the internal side bottom plate of closing cap, top jar coincides mutually, cavity section of thick bamboo upper end is through pivot pole and the rotatory installation of motor, the blow off pipe runs through long barrel and extends to accomodate the ball inboard, just it has seted up a plurality of one-way infiltration holes to accomodate the ball surface, is convenient for in time derive the inboard cooling waste water of ball will get into to accomodate.

Preferably, the water conservancy diversion subassembly includes the nozzle stub, the port is connected with screwed pipe one on the nozzle stub, just nozzle stub surface connection has the delay to fight, and sets up the mouth of fanning on nozzle stub surface, the slope of fan mouth inner wall is connected with leads the fan to one side, catches drainage to mouth of fanning to the part fine particle in the cooling wastewater that will be the vortex form operation, just it is the same with the orientation of paddle to lead the fan to one side, the delay is fought through the nozzle stub and is led the corresponding cooperation of fan to one side, the nozzle stub passes through screwed pipe one and well cavity section of thick bamboo composite set, just nozzle stub, well cavity section of thick bamboo inboard are the cavity setting, well cavity section of thick bamboo hangs through the pivot pole of motor lower extreme and establishes and installs in the filter material layer upper end.

Preferably, the backflow mechanism comprises a clamping plate, wherein the surface of the clamping plate is provided with a dirt guide hole, so that part of fine particles can be conveniently and quickly guided and conveyed to the inner side of the containing ball, the lower end of the clamping plate is connected with a hanging rod, the lower end of the hanging rod is connected with a drop hammer, the weight of the bottom of the backflow mechanism on the inner side of the threaded pipe II is improved, the resistance of the guide piece to water pressure is guaranteed, the surface of the drop hammer is connected with a guide sheet in a circular array, fine particles are spirally guided into the inner side of the containing ball, and the fine particles can be introduced and collected only by the reverse direction of the compliant guide piece, the collected fine particles are prevented from reversely flowing back and leaking from the containing ball, the chuck plate is embedded and installed at the inner side of the hollow cylinder, and drop the hammer and install through the cooperation of cavity section of thick bamboo and storage ball and screwed pipe two combinations, combine the inseparable cooperation of guide piece and screwed pipe two, realize better anti-return function.

The invention provides a wastewater purifier for treating metallurgical wastewater. The method has the following beneficial effects:

1. this metallurgical waste water is waste water purifier for treatment, through when leading the long barrel of cooling waste water inboard, accessible cold water advances the pipe and sends into cold water to annular barrel chamber inboard, utilize heat transfer ring increase cold water and annular barrel intracavity wall area of contact, through heat-conduction, the surplus heat that contains in the cooling waste water exchanges to cold water, via backheating pipe at last, the cold water that will be heated carries out recycle, when purifying filterable to cooling waste water, carry out recycle with the waste heat in the cooling waste water, with the value maximize of cooling waste water.

2. The waste water purifier for treating metallurgical waste water adds cooling waste water into a settling chamber through an inlet pipe for settling, then the settled cooling waste water is pumped into a long cylinder through a water pump on a guide pipe, wherein, when the cooling wastewater is input into the settling chamber, whether the weight of the added cooling wastewater reaches the maximum value can be intuitively known through the water level rod on the floating ball, so as to prevent the cooling wastewater from overflowing, meanwhile, a gap communicated with the outside is provided through the position where the water level rod is superposed with the sealing cover, the air pressure in the top tank body is kept to be the same as the outside air pressure, and after the cooling wastewater in the settling chamber is drained completely, the settled coarse particles can be automatically discharged by opening the second sewage discharge pipe, the settling chamber can be washed by the inlet pipe without opening the top tank body, can accomplish the light of the inboard spot of the tank body of the butt joint and clean, the material resources of using manpower sparingly simplify the overall maintenance and the flow of cleaning of clarifier.

3. This metallurgical wastewater treatment wastewater purification ware, it is rotatory at the purifying tank inboard to lead dirty mechanism through the starter motor drive, it is rotatory at the long barrel inboard to utilize the paddle to drive cooling wastewater, can carry out the drainage operation with the form of swirl on the precoat with cooling wastewater, can carry out the vortex guide with the part fine particle in the cooling wastewater and collect, the guide is accomodate to the nozzle stub inboard, and via the nozzle stub, the cavity section of thick bamboo with accomodate the inside intercommunication of ball, finally collect the fine particle inside accomodating the ball, then can discharge the fine particle in unison via a blow off pipe.

4. This metallurgical waste water is waste water purifier for water treatment through the rivers form of vortex form for cooling waste water fully contacts with the filter material layer, and final tegument layer filters to the downside of long barrel, is purified to the cleanest state, then carries out recycle to cooling waste water via the wet return, and the water economy resource reduces the input cost of coolant liquid in the metallurgical flow.

Drawings

FIG. 1 is a schematic view showing an external structure of a wastewater purifier for metallurgical wastewater treatment according to the present invention;

FIG. 2 is a schematic diagram of the structure of the purification tank and the sedimentation tank according to the present invention;

FIG. 3 is a schematic view of the construction of the purification tank of the present invention;

FIG. 4 is a schematic structural view of a settling tank according to the present invention;

FIG. 5 is a schematic structural view of a motor and a dirt guiding mechanism of the present invention;

FIG. 6 is a schematic view of the flow directing assembly and the reverse flow mechanism of the present invention;

FIG. 7 is a schematic view of the structure of the flow guide assembly of the present invention;

fig. 8 is a schematic structural view of the reflux mechanism of the present invention.

In the figure: 1. pouring the hopper bottom; 2. a purification tank; 21. a long cylinder; 22. back flushing the pipe; 23. a cold water inlet pipe; 24. a first sewage discharge pipe; 25. a heat exchange ring; 3. a sedimentation tank; 31. pushing the tank body; 32. an inlet pipe; 33. a water level rod; 34. a second sewage discharge pipe; 35. a partition plate; 36. a flow guide pipe; 4. sealing the cover; 5. a motor; 6. a filter material layer; 7. a dirt guiding mechanism; 71. a hollow cylinder; 72. a paddle; 73. a flow guide assembly; 731. a short pipe; 732. a first threaded pipe; 733. a retention bucket; 734. an oblique guide fan; 74. receiving the ball; 75. a reflux mechanism; 751. clamping a plate; 752. a boom; 753. dropping the hammer; 754. a guide piece; 76. a second threaded pipe; 8. a water return pipe; 9. and a heat return pipe.

Detailed Description

Example 1

As shown in fig. 1, fig. 2 and fig. 5, the present invention provides a technical solution: a waste water purifier for treating metallurgical waste water comprises a pouring hopper bottom 1, a purifying tank 2 is arranged at the upper end of the pouring hopper bottom 1, a sedimentation tank 3 is installed at the upper end of the purifying tank 2, a sealing cover 4 is arranged at the upper end of the sedimentation tank 3, a motor 5 is installed in the middle of the upper end of the sealing cover 4, a filter material layer 6 is installed on the inner side of the purifying tank 2, a sewage guide mechanism 7 is installed at the upper end of the filter material layer 6, one side of the surface of the pouring hopper bottom 1 is connected with a water return pipe 8, the other side of the surface of the pouring hopper bottom 1 is connected with a heat return pipe 9, the inner part of the pouring hopper bottom 1 is arranged in a hollow manner, the filter material layer 6 is sequentially provided with a pebble cushion layer, a primary silica sand filter material layer and a secondary silica sand filter material layer from top to bottom, the purifying tank 2 comprises a long cylinder 21, a back flushing pipe 22 is connected to the lower side of the surface of the long cylinder 21, a cold water inlet pipe 23 is connected to the upper side of the surface of the long cylinder 21, the other side of the surface is connected with a blow-off pipe 24, an annular cylinder cavity is formed in the inner wall of the long cylinder 21, the inner wall surface equidistance in annular barrel chamber is connected with a plurality of heat transfer rings 25, long barrel 21 bottom is through 1 upper end flange mounting at the bottom of lead screw and the pouring funnel, recoil pipe 22 runs through long barrel 21 inner wall and stretches into long barrel 21 inboard, and long barrel 21 inner wall is close to down the port and is lou hopper-shaped setting, cold water advances pipe 23 and runs through long barrel 21 inner wall and stretches into annular barrel chamber inboard, the cobble bed course, one-level silica sand filtering material layer, the second grade silica sand filtering material layer is by last to lower funnel portion of gomphosis installation on long barrel 21 inner wall in proper order, backheat pipe 9 runs through pouring funnel end 1 in proper order, long barrel 21 and stretches into annular barrel chamber inboard, wet return 8 runs through pouring funnel end 1, long barrel 21 and stretches into long barrel 21 inboard.

When the cooling wastewater purification device is used, cooling wastewater is conveyed into the inner side of the sedimentation tank 3 for standing and sedimentation for a period of time, then the cooling wastewater is conveyed into the inner side of the purification tank 2, the starting motor 5 drives the dirt guiding mechanism 7 to stir the cooling wastewater, part of fine particles are collected in the containing ball 74 through the dirt guiding mechanism 7, then the other part of fine particles in the cooling wastewater are filtered layer by layer through the filter material layer 6, finally purified and retained at the bottommost part of the long cylinder 21, and recovered and reused through the water return pipe 8, so that the purification and the recovery and reuse of the cooling wastewater by the wastewater purifier are completed;

the cooling waste water is guided to the inner side of the long cylinder body 21, meanwhile, the cold water can be fed into the inner side of the annular cylinder cavity through the cold water inlet pipe 23, the contact area between the cold water and the inner wall of the annular cylinder cavity is increased through the heat exchange ring 25, residual heat contained in the cooling waste water is exchanged into the cold water through heat conduction, finally, the heated cold water is recycled through the heat return pipe 9, the cooling waste water is purified and filtered, meanwhile, the waste heat in the cooling waste water is recycled, and the value of the cooling waste water is maximized;

the purified water can be conveyed to the inner side of the long cylinder 21 through the backflushing pipe 22, the filter material layer 6 in the long cylinder 21 is backflushed, purified water can be simultaneously injected into a sedimentation tank on the inner side of the top tank body 31 through the inlet pipe 32, then the water suction pump on the flow guide pipe 36 is started, the inner side of the long cylinder 21 is flushed through the upper port of the long cylinder 21, the dirt guide mechanism 7 is controlled by the motor 5 to rotate on the inner side of the long cylinder 21, most particles on the inner side of the filter material layer 6 can be collected in the containing ball 74, and finally the particles are discharged through the first drain pipe 24, so that the automatic backflushing cleaning function of the cooling wastewater purifier is realized, and the labor cost for cleaning and maintaining the internal structure is saved.

Example 2

As shown in fig. 1, 2 and 4, the sedimentation tank 3 comprises a top tank 31, the inner wall of the top tank 31 is hollow and communicated with an annular cylinder cavity, the upper end surface of a sealing cover 4 is connected with an inlet pipe 32, the inner side of the top tank 31 is provided with a water level rod 33, the bottom end of the water level rod 33 is provided with a floating ball, the surface of the top tank 31 is connected with a drain pipe II 34, the bottom plate of the inner side of the top tank 31 is fixedly connected with a partition plate 35, the middle part of the partition plate 35 is fixedly provided with a guide pipe 36, the inner side of the top tank 31 is divided into a sedimentation chamber and a drainage chamber through the matching of the bottom plate and the partition plate 35, the inlet pipe 32 penetrates through the sealing cover 4 and is communicated with the sedimentation chamber of the inner side of the top tank 31, the sealing cover 4 is mounted with a flange at the upper end of the top tank 31 through a screw rod, the drain pipe II 34 penetrates through the top tank 31 and is level with the bottom plate at the inner side of the top tank 31, the guide pipe 36 is provided with a water pump, and a sealing ring is mounted at the position where the water level rod 33 and the sealing cover 4 coincide, the water level rod 33 is installed with the sealing cover 4 in a lifting mode through a sealing ring, a round opening is formed in the bottom plate on the inner side of the top tank body 31, the lower end of the guide pipe 36 is correspondingly matched with the round opening, a water closing ring is installed between the long cylinder body 21 and the top tank body 31 in an embedded mode, and the upper end of the long cylinder body 21 is installed with a flange at the lower end of the top tank body 31 through a screw rod.

When in use, cooling wastewater is added into the settling chamber through the inlet pipe 32 for settling, then the settled cooling wastewater is pumped into the long cylinder 21 through the water suction pump on the draft tube 36, wherein, when the cooling wastewater is input into the settling chamber, whether the weight of the added cooling wastewater reaches the maximum value can be intuitively known through the water level rod 33 on the floating ball, so as to prevent the cooling wastewater from overflowing, meanwhile, a gap communicated with the outside is provided through the position where the water level rod 33 is overlapped with the sealing cover 4, the air pressure inside the top tank body 31 is kept to be the same as the outside air pressure, after the cooling wastewater in the settling chamber is drained completely, the settled coarse particles can be automatically discharged by opening the second sewage discharge pipe 34, and the settling chamber can be washed by the inlet pipe 32 without opening the top tank body 31, can accomplish the light of the inboard spot of the tank body 31 of the pair top and clean, use manpower and materials sparingly, simplify the overall maintenance and the flow of cleaning of clarifier.

Example 3

As shown in fig. 5, 6, 7 and 8, the dirt guiding mechanism 7 includes a hollow cylinder 71, blades 72 are fixedly connected to the surface of the hollow cylinder 71, the blades are used for stirring and guiding cooling wastewater and guiding the distribution direction of fine particles, a plurality of flow guiding components 73 are installed at the lower end of the hollow cylinder 71, and a receiving ball 74 is installed at the lower end of the hollow cylinder 71, a backflow mechanism 75 is installed inside the hollow cylinder 71, a bearing is installed at the upper port of the receiving ball 74 in an embedded manner, a second threaded pipe 76 is connected to the upper end of the bearing, the receiving ball 74 is installed in a combined manner with the hollow cylinder 71 through the bearing and the second threaded pipe 76, a rotating shaft rod at the lower end of the motor 5 sequentially penetrates through the sealing cover 4 and the bottom plate at the inner side of the top tank 31 and extends into the inner side of the long cylinder 21, so that the dirt guiding mechanism 7 is integrally hung at the bottom end of the top tank 31 and the inner side of the long cylinder 21, wherein bearings are installed at the positions where the rotating shaft rod coincides with the sealing cover 4 and the bottom plate at the inner side of the top tank 31, the upper end of the hollow cylinder 71 is rotatably installed with the motor 5 through a rotating shaft rod, the first sewage discharge pipe 24 penetrates through the long cylinder 21 and extends to the inner side of the containing ball 74, the surface of the containing ball 74 is provided with a plurality of one-way water seepage holes, so that cooling wastewater entering the inner side of the containing ball 74 can be guided out in time, the flow guide component 73 comprises a short pipe 731, the upper port of the short pipe 731 is connected with a first threaded pipe 732, the surface of the short pipe 731 is connected with a retention bucket 733 and a fan opening arranged on the surface of the short pipe 731, the inner wall of the fan opening is obliquely connected with an inclined guide fan 734, part of fine particles in the cooling wastewater running in a vortex shape are captured and guided to the fan opening, the inclined guide fan 734 and the blades 72 are in the same direction, the retention bucket 733 is correspondingly matched with the inclined guide fan 734 through the short pipe 731, the short pipe 731 is combined with the hollow cylinder 71 through the first threaded pipe 732, the inner sides of the short pipe 731 and the hollow cylinder 71 are both hollow cylinder 71 are arranged in a hollow shape, the hollow shaft rod is hung at the upper end of the filtering material layer 6 through the lower end of the motor 5, the backflow mechanism 75 comprises a clamping plate 751, a dirt guiding hole is formed on the surface of the clamping plate 751, so that part of fine particles can be conveniently and quickly guided and conveyed to the inner side of the containing ball 74, the lower end of the clamping plate 751 is connected with a hanging rod 752, the lower end of the hanging rod 752 is connected with falling hammers 753, the weight of the bottom of the backflow mechanism 75 on the inner side of the second threaded pipe 76 is increased to ensure the resistance of the guide sheets 754 to water pressure, the guide sheets 754 are connected on the surface of the falling hammers 753 in a circular array to guide fine particles into the inner side of the containing ball 74 in a spiral shape, and the fine particles can be introduced and collected only by the reverse direction of the compliant guide 754, preventing the collected fine particles from reversely flowing back and leaking from the receiving balls 74, the chucking plate 751 is fittingly installed inside the hollow cylinder 71, and the falling hammer 753 is combined and installed with the second threaded pipe 76 through the matching of the hollow barrel 71 and the containing ball 74, and a better backflow prevention function is realized by combining the close matching of the guide piece 754 and the second threaded pipe 76.

When the device is used, the starting motor 5 drives the sewage guide mechanism 7 to rotate on the inner side of the purification tank 2, the blades 72 are used for driving cooling wastewater to rotate on the inner side of the long cylinder body 21, the cooling wastewater can be guided to flow on the filter material layer 6 in a vortex mode, part of fine particles in the cooling wastewater can be guided and stored to the inner side of the short pipe 731 through the inclined guide fan 734 connected with the inner wall of the fan opening, and are communicated with the interior of the storage ball 74 through the short pipe 731 and the hollow cylinder 71, finally the fine particles are collected in the storage ball 74, and then the fine particles can be uniformly discharged through the first sewage discharge pipe 24;

surplus fine particle in the cooling waste water through the rivers form of vortex form for cooling waste water fully contacts with precoat 6, and the final tegument layer filters to the downside of long barrel 21, is purified to the cleanest state, then can carry again to original coolant liquid return line via wet return 8 in, recycles, and the input cost of coolant liquid in the reduction metallurgical flow.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The utility model provides a metallurgical waste water clarifier for waste water treatment, includes hopper bottom (1), its characterized in that: the improved sewage treatment device is characterized in that a purification tank (2) is arranged at the bottom of the inverted hopper (1) upper end, a sedimentation tank (3) is installed at the upper end of the purification tank (2), a sealing cover (4) is arranged at the upper end of the sedimentation tank (3), a motor (5) is installed at the middle part of the upper end of the sealing cover (4), a filter material layer (6) is installed at the inner side of the purification tank (2), a sewage guide mechanism (7) is installed at the upper end of the filter material layer (6), one side of the surface of the bottom of the inverted hopper (1) is connected with a water return pipe (8), the other side of the surface of the bottom of the inverted hopper (1) is connected with a heat return pipe (9), the hollow setting is arranged at the bottom of the inverted hopper (1), and the filter material layer (6) is provided with a pebble cushion layer, a one-level silica sand filter material layer and a second-level silica sand filter material layer from the top.

2. A waste water purifier for metallurgical waste water treatment according to claim 1, characterized in that: the purifying tank (2) comprises a long barrel body (21), the lower side of the surface of the long barrel body (21) is connected with a back flushing pipe (22), the upper side of the surface of the long barrel body (21) is connected with cold water inlet pipes (23), the other side of the surface of the long barrel body (21) is connected with a blow-off pipe (24), an annular barrel cavity is formed in the inner wall of the long barrel body (21), and a plurality of heat exchange rings (25) are connected to the inner wall of the annular barrel cavity at equal intervals.

3. A waste water purifier for metallurgical waste water treatment according to claim 2, characterized in that: the utility model discloses a long barrel (21) bottom is through lead screw and the end of falling hopper (1) upper end flange mounting, recoil pipe (22) run through long barrel (21) inner wall and stretch into long barrel (21) inboard, just long barrel (21) inner wall is close to down the port and is lou hopper-shaped setting, cold water advances pipe (23) to run through long barrel (21) inner wall and stretch into annular barrel chamber inboard, cobble bed course, one-level silica sand filtering material layer, second grade silica sand filtering material layer are by last to lower in proper order the gomphosis install the funnel portion on long barrel (21) inner wall, backheat pipe (9) run through in proper order at the end of falling hopper (1), long barrel (21) and stretch into annular barrel chamber inboard, wet return (8) run through at the end of falling hopper (1), long barrel (21) and stretch into long barrel (21) inboard.

4. A waste water purifier for metallurgical waste water treatment according to claim 2, characterized in that: sedimentation tank (3) are including a jar body (31), a jar body (31) inner wall is the cavity setting and is linked together with annular cylinder chamber, closing cap (4) upper end surface is connected with import pipe (32), a water level pole (33) are installed to a jar body (31) inboard, the floater is installed to water level pole (33) bottom, just a jar body (31) surface connection has blow off pipe two (34), fixedly connected with baffle (35) on a jar body (31) inboard bottom plate, baffle (35) middle part fixed mounting has honeycomb duct (36).

5. A waste water purifier for metallurgical waste water treatment according to claim 4, characterized in that: the top jar of body (31) is inboard to be divided into drip chamber and drainage chamber through bottom plate and baffle (35) cooperation, import pipe (32) run through closing cap (4) and be linked together with the inboard drip chamber of the top jar of body (31), closing cap (4) are through lead screw and the installation of the flange of the top jar of body (31) upper end, blow off pipe two (34) run through the top jar of body (31) and keep level with the inboard bottom plate of the top jar of body (31), install the suction pump on honeycomb duct (36).

6. A waste water purifier for metallurgical waste water treatment according to claim 5, characterized in that: the sealing ring is installed at the position of water level pole (33) and closing cap (4) coincidence, water level pole (33) goes up and down through sealing ring and closing cap (4) and installs, the round mouth has been seted up on the inboard bottom plate of the top jar body (31), honeycomb duct (36) lower extreme and the corresponding cooperation of round mouth, the gomphosis is installed between long barrel (21) and the top jar body (31) and is closed the water ring, lead screw and the installation of the lower extreme flange of the top jar body (31) are passed through to long barrel (21) upper end.

7. A waste water purifier for metallurgical waste water treatment according to claim 2, characterized in that: lead dirty mechanism (7) including cavity section of thick bamboo (71), cavity section of thick bamboo (71) fixed surface is connected with paddle (72), just a plurality of water conservancy diversion subassemblies (73) are installed to cavity section of thick bamboo (71) lower extreme, and install accomodate ball (74) of cavity section of thick bamboo (71) lower extreme, palirrhea mechanism (75) are installed to cavity section of thick bamboo (71) inboard, accomodate ball (74) upper end mouth gomphosis and install the bearing, the bearing upper end is connected with screwed pipe two (76), accomodate ball (74) through bearing and screwed pipe two (76) cooperation and cavity section of thick bamboo (71) aggregate erection.

8. A waste water purifier for metallurgical waste water treatment according to claim 7, characterized in that: the pivot pole of motor (5) lower extreme runs through closing cap (4), the inboard bottom plate of the top jar body (31) in proper order and stretches into long barrel (21) inboardly, and wherein, the pivot pole all installs the bearing with the position of closing cap (4), the inboard bottom plate of the top jar body (31) coincidence mutually, cavity barrel (71) upper end is through pivot pole and motor (5) rotation installation, blow off pipe (24) run through long barrel (21) and extend to accomodate ball (74) inboardly, just accomodate ball (74) surface and seted up a plurality of one-way infiltration holes.

9. A waste water purifier for metallurgical waste water treatment according to claim 8, characterized in that: the water conservancy diversion subassembly (73) includes nozzle stub (731), nozzle stub (731) upper port is connected with screwed pipe one (732), just nozzle stub (731) surface connection has detain and fights (733), and sets up the fan mouth on nozzle stub (731) surface, fan mouth inner wall slope is connected with oblique fan (734), just it is the same with the orientation of paddle (72) to lead fan (734) to one side, detain and fight (733) and lead fan (734) corresponding cooperation to one side through nozzle stub (731), nozzle stub (731) are through screwed pipe one (732) and hollow cylinder (71) aggregate erection, just nozzle stub (731), hollow cylinder (71) inboard are the cavity setting, hollow cylinder (71) hang through the commentaries on classics of motor (5) lower extreme and establish and install in filtering material layer (6) axostylus axostyle upper end.

10. A waste water purifier for metallurgical waste water treatment according to claim 9, characterized in that: the backflow mechanism (75) comprises a clamping plate (751), wherein a dirt guide hole is formed in the surface of the clamping plate (751), a hanging rod (752) is connected to the lower end of the clamping plate (751), a hammer (753) is connected to the lower end of the hanging rod (752), a guide piece (754) is connected to the surface of the hammer (753) in a circular array mode, the clamping plate (751) is installed on the inner side of a hollow cylinder (71) in a jogged mode, and the hammer (753) is installed on the inner side of the hollow cylinder (71) in a combined mode through matching of the hollow cylinder (71) and a containing ball (74) and a threaded pipe II (76).