CN114380426A

CN114380426A - Environment-friendly sewage treatment process

Info

Publication number: CN114380426A
Application number: CN202210175358.2A
Authority: CN
Inventors: 张怀峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-04
Filing date: 2022-02-25
Publication date: 2022-04-22
Also published as: CN113880307A

Abstract

The invention discloses an environment-friendly sewage treatment process, which specifically comprises the following steps: s1, pumping the sewage into a filtering device through pumping equipment for primary filtering treatment; s2, removing large-particle impurities in the sewage through a filtering device, introducing the sewage into sludge treatment equipment, and performing precipitation treatment on the sludge in the sewage; s3, then leading the sewage with the sludge removed into a disinfection device for disinfection processing. The sludge treatment equipment in the step S2 comprises a base, wherein a stirring sedimentation tank and a U-shaped frame are sequentially fixed on the top of the base from left to right. This environment-friendly sewage treatment process through the cooperation of rigid foam drive plate and oblique colluding the board, recycles pressure boost suction pump spun water column as power, realizes unpowered stirring, can practice thrift the electric energy, can handle a large amount of sewage, and the use limitation is little, can make medicament and sewage intensive mixing, when practicing thrift the medicament, can also improve the precipitation efficiency of mud.

Description

Environment-friendly sewage treatment process

Technical Field

The invention relates to the technical field of sewage treatment, in particular to an environment-friendly sewage treatment process.

Background

The environmental protection refers to the general term of various actions taken by human beings to solve real or potential environmental problems, coordinate the relationship between human beings and the environment and guarantee the continuous development of the economic society, and along with the development of industry and the improvement of living standard, the task of sewage treatment is heavier and heavier, the sewage treatment process needs to be improved, and the treatment efficiency and the treatment effect are improved. The traditional sedimentation tank is a structure for removing suspended matters in water by applying sedimentation, and equipment for purifying water quality removes the suspended matters in water by utilizing the natural sedimentation or coagulating sedimentation effect of water, the sedimentation tank is divided into a horizontal sedimentation tank and a vertical sedimentation tank according to the water flow direction, the sedimentation effect is determined by the flow velocity of the water in the sedimentation tank and the residence time of the water in the tank, in order to improve the sedimentation effect and reduce the land area, at present, a honeycomb inclined tube counter-current sedimentation tank is adopted, an accelerating clarification tank, a pulse clarification tank and the like.

Refer to Chinese patent No. CN108821404B an environmental protection sewage treatment plant, including settling cylinder, discharge cylinder and medicament perfusion mechanism; a spiral pipe is arranged in the sedimentation cylinder and is communicated with the water inlet pipe; the lower end of the sedimentation cylinder is fixedly connected with a discharge cylinder, a notch disc is arranged in the discharge cylinder, and the right side of the discharge cylinder is communicated with a slag discharge pipe in a tangential direction. This environmental protection sewage treatment plant is through being equipped with spiral pipe and medicament filling mechanism for sewage forms the whirl fast and fills the quick mixture of medicament, has improved the effect and the mixing efficiency of mixing, and the sediment of flocculation is quick centrifugal separation and subsides in conical settlement barrel, has improved the formation back of sediment and has subsided efficiency.

A comprehensive analysis of the above referenced patents can yield the following drawbacks:

(1) the sewage sprayed by the spiral pipe rotates around the sedimentation cylinder and is mixed with the medicament, the requirement on the water flow speed is high, a large amount of sewage is inconvenient to treat, the use limitation is large, the medicament is directly mixed with the water, the mixing is uneven, the sludge sedimentation efficiency is low, the medicament needs to be continuously added, and the waste of the medicament is caused;

(2) when the medicament is mixed with water, the medicament is mostly stirred and mixed by adopting an electric driving assembly, so that the energy consumption is high when a large amount of sewage is treated, and the environment-friendly concept is not met;

(3) when stirring reagent and sewage, the stirring rake is fixed the setting mostly, is not convenient for freely change the stirring scope according to the volume of adding the medicament, and stirring rake is adjustable now a bit, but adjusts very trouble, use cost height.

Therefore, the invention provides an environment-friendly sewage treatment process to solve the above mentioned problems.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an environment-friendly sewage treatment process, which solves the problems that the sewage sprayed by a spiral pipe rotates around a sedimentation cylinder and is mixed with a medicament, the requirement on the water flow speed is high, the sewage is inconvenient to treat a large amount of sewage, the use limitation is large, the medicament is directly mixed with water, the mixing is uneven, the sludge sedimentation efficiency is low, and the medicament is required to be continuously added, so that the medicament is wasted; when the medicament is mixed with water, the medicament is mostly stirred and mixed by adopting an electric driving assembly, so that the energy consumption is high when a large amount of sewage is treated, and the environment-friendly concept is not met; when stirring reagent and sewage, the stirring rake is fixed the setting mostly, is not convenient for freely change the stirring scope according to the volume of adding the medicament, and stirring rake is adjustable now a bit, but adjusts very trouble, problem that use cost is high.

In order to achieve the purpose, the invention is realized by the following technical scheme: an environment-friendly sewage treatment process specifically comprises the following steps:

s1, pumping the sewage into a filtering device through pumping equipment for primary filtering treatment;

s2, removing large-particle impurities in the sewage through a filtering device, introducing the sewage into sludge treatment equipment, and performing precipitation treatment on the sludge in the sewage;

s3, then leading the sewage with the sludge removed into a disinfection device for disinfection processing.

Wherein, the sludge treatment equipment in step S2 includes the base, the top of base is fixed with stirring sedimentation tank, U type frame from a left side to the right side in proper order, the right side of stirring sedimentation tank is fixed with the pressure boost suction pump, the delivery port intercommunication of pressure boost suction pump has the wash pipe, be fixed with the diaphragm between the both sides of stirring sedimentation tank inner wall, the inside of stirring sedimentation tank is provided with unpowered rabbling mechanism, the rear of stirring sedimentation tank is provided with flocculating agent feed mechanism, be provided with sludge drying mechanism on the U type frame.

The unpowered stirring mechanism comprises a sliding plate which is connected to the rear side of the inner wall of the stirring and sedimentation tank in a sliding mode and a connecting shaft which is connected to the front side of the inner wall of the stirring and sedimentation tank in a rotating mode, a limiting spring rod is rotated in front of the sliding plate, a driving shaft is fixed to the front end of the limiting spring rod, a cross key which is matched with the cross key groove is arranged at the rear end of the connecting shaft, a hard aluminum sleeve is sleeved on the surface of the driving shaft, a hard foam driving plate is fixed to the surface of the hard aluminum sleeve, an inclined hook plate is fixed to the surface of the hard foam driving plate, a first bevel gear is fixed to the surface of the connecting shaft, a hollow stirring shaft penetrates through the transverse plate in a rotating mode, the number of the hollow stirring shaft is three, a second bevel gear which is meshed with the first bevel gear is fixed to the surface of the hollow stirring shaft in the middle, and a first belt pulley is further fixed to the surface of the hollow stirring shaft in the middle, both sides hollow mixing shaft's surface all is fixed with the second belt pulley, two be connected through first belt drive between the surface of second belt pulley and first belt pulley, it is three hollow mixing shaft's surface all rotates there is the stirring rake, be provided with quick assembly disassembly mechanism between drive shaft and the stereoplasm aluminium cover, be provided with face sludge cleaning mechanism between slide and the spacing spring beam, it is three all be provided with stirring rake positioning adjustment mechanism on the hollow mixing shaft.

Quick assembly disassembly mechanism is including fixing the fixture block on drive shaft surface and fixing the smooth solid fixed ring at stereoplasm foam drive plate rear, the slot with fixture block looks adaptation is seted up to the inner wall of stereoplasm aluminium cover, the inner wall of stereoplasm aluminium cover has been seted up and has been had breach annular groove with the slot intercommunication, the constant head tank with breach annular groove intercommunication is still seted up to the inner wall of stereoplasm aluminium cover, the surface of drive shaft still is fixed with the fixed disk, the place ahead of fixed disk is fixed with the location spring beam, the front end of location spring beam is fixed with smooth arch, smooth bellied surface contacts with smooth solid fixed ring's rear.

Face mud clearance mechanism is including fixing the extension board in slide the place ahead and fixing the big belt pulley on spacing spring rod surface, the place ahead of slide is rotated and is had the bull stick, the fixed surface of bull stick has the belt lace wheel, the transmission is connected with the second belt between the surface of big belt pulley and belt lace wheel, the surface of bull stick still is fixed with reciprocal cylinder, the curve groove has been seted up on the surface of reciprocal cylinder, the top of extension board slides and has the slide bar, the one end of slide bar is fixed with the inserted bar, the inserted bar uses with the cooperation of curve groove, the top of inserted bar is fixed with the clearance brush.

Preferably, stirring rake location adjustment mechanism is including running through the lead screw of rotation on hollow mixing shaft, the surperficial threaded connection of lead screw has the thread piece, the both sides on thread piece surface all are fixed with and run through to the outside even piece of hollow mixing shaft, two hollow mixing shaft's surface all rotates there is the bracing piece, and is adjacent rotate through the round pin axle between the surface of bracing piece and stirring rake and be connected, the top on hollow mixing shaft surface is fixed with accepts the dish, the logical groove with even piece looks adaptation is all seted up to the both sides on hollow mixing shaft surface.

Preferably, an adjusting disc is fixed to the top end of the screw rod, splicing blocks are fixed to the two sides of the top of the bearing disc through compression spring rods, a pressure plate is fixed between the inner sides of the splicing blocks, and first annular clamping teeth are formed in the top of the adjusting disc.

Preferably, the bottom of pressure disk is seted up with first annular latch engaged with second annular latch, the top of accepting the dish is fixed with the L template, L template inner wall top is fixed with the location couple through wire rope, the top of pressure disk is fixed with the location link with location couple looks adaptation.

Preferably, flocculating agent feed mechanism is including fixing the flocculating agent case in stirring sedimentation tank rear, the top of flocculating agent case is fixed with the feed pump, the feed inlet intercommunication of feed pump has the first pipe of taking out that runs through to flocculating agent incasement portion, the discharge gate intercommunication of feed pump has the second to take out the pipe.

Preferably, the sludge drying mechanism comprises an electric lower filter belt and an electric upper filter belt which are fixedly installed between two sides of the inner wall of the U-shaped frame, the electric lower filter belt is arranged below the electric upper filter belt, a sludge guide plate is fixed between two sides of the inner wall of the U-shaped frame, and a wedge-shaped water guide block is fixed at the bottom of the inner wall of the U-shaped frame.

Preferably, the electric lower filter belt and the electric upper filter belt move in opposite directions, and the mud guide plate is positioned at the lower right of the electric lower filter belt.

Preferably, the right side of stirring sedimentation tank is fixed with the dredge pump, the left side of stirring sedimentation tank is fixed with the suction pump, the water inlet intercommunication of suction pump has the suction pipe that runs through to stirring sedimentation tank inside, the one end of suction pipe is fixed with flexible pipe.

Advantageous effects

The invention provides an environment-friendly sewage treatment process. Compared with the prior art, the method has the following beneficial effects:

(1) the environment-friendly sewage treatment process comprises the steps that a unpowered stirring mechanism is arranged in a stirring and settling tank, the unpowered stirring mechanism comprises a sliding plate which is connected to the rear side of the inner wall of the stirring and settling tank in a sliding mode and a connecting shaft which is connected to the front side of the inner wall of the stirring and settling tank in a rotating mode, a limiting spring rod is rotated in front of the sliding plate, a driving shaft is fixed to the front end of the limiting spring rod, a cross key groove is formed in the rear end of the connecting shaft, a cross key matched with the cross key groove is fixed to the front end of the driving shaft, a hard aluminum sleeve is sleeved on the surface of the driving shaft, a hard foam driving plate is fixed to the surface of the hard aluminum sleeve, a water column sprayed out by a booster water pump is reused as power through the matching of the hard foam driving plate and an inclined hook plate, unpowered stirring is achieved, electric energy can be saved, a large amount of sewage can be treated, the use limitation is small, and a medicament can be fully mixed with the sewage, the sedimentation efficiency of the sludge can be improved while the medicament is saved.

(2) This environment-friendly sewage treatment process, through fixing at the fixture block on drive shaft surface and fixing the smooth solid fixed ring at stereoplasm foam drive plate rear at quick assembly disassembly mechanism, the slot with fixture block looks adaptation is seted up to the inner wall of stereoplasm aluminium cover, the inner wall of stereoplasm aluminium cover has been seted up and has breach annular groove with the slot intercommunication, the constant head tank with breach annular groove intercommunication is still seted up to the inner wall of stereoplasm aluminium cover, the surface of drive shaft still is fixed with the fixed disk, setting through quick assembly disassembly mechanism, be convenient for after the long-time use stereoplasm foam drive plate appears damaging, be convenient for change stereoplasm foam drive plate fast, high use convenience.

(3) This environment-friendly sewage treatment process, through fixing at the extension board in slide the place ahead and fixing the big belt pulley on spacing spring rod surface at face sludge cleaning mechanism, the place ahead of slide is rotated there is the bull stick, the fixed surface of bull stick has the belt lace wheel, the transmission is connected with the second belt between the surface of big belt pulley and belt lace wheel, the surface of bull stick still is fixed with reciprocal cylinder, the curve groove has been seted up on the surface of reciprocal cylinder, the top of extension board slides there is the slide bar, the one end of slide bar is fixed with the inserted bar, the inserted bar uses with the cooperation of curve groove, the top of inserted bar is fixed with the cleaning brush, setting through face sludge cleaning mechanism, be convenient for clear away the mud of stereoplasm foam drive plate and oblique hook plate contained angle department fast, reduce the load of stereoplasm foam drive plate, and then the going on of convenient mixed stirring work.

(4) This environment-friendly sewage treatment process, through at stirring rake positioning adjustment mechanism including running through the rotation at hollow stirring epaxial lead screw, the surperficial threaded connection of lead screw has the fillet of screw, the both sides on fillet of screw surface all are fixed with runs through to the outside even piece of hollow stirring shaft, the surface of two hollow stirring shafts all rotates there is the bracing piece, rotate through the round pin axle between the surface of adjacent bracing piece and stirring rake and be connected, setting through stirring rake positioning adjustment mechanism, be convenient for freely adjust and fix a position the angle of stirring rake, can freely change the stirring scope, the convenience in use is high, and is with low costs, manual operation can accomplish fast.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic view of the unpowered stirring mechanism of the present invention;

FIG. 3 is an exploded perspective view of a portion of the present invention;

FIG. 4 is a perspective sectional view of a partial structure of the hard aluminum sheath of the present invention;

FIG. 5 is a perspective view of the hollow mixing shaft configuration of the present invention;

FIG. 6 is a schematic view of the internal structure of a hollow stirring shaft according to the present invention;

FIG. 7 is a perspective view of a partial structure of the positioning and adjusting mechanism of the stirring paddle according to the present invention;

FIG. 8 is a schematic view of a platen configuration of the present invention;

FIG. 9 is an enlarged view of a portion of the invention at A in FIG. 1;

FIG. 10 is a schematic view of a flocculant feeding mechanism of the present invention.

In the figure: 1-base, 2-stirring sedimentation tank, 3-U-shaped frame, 4-supercharging water pump, 5-flushing pipe, 6-transverse plate, 7-unpowered stirring mechanism, 71-sliding plate, 72-connecting shaft, 73-limiting spring rod, 74-driving shaft, 75-cross key groove, 76-cross key, 77-hard aluminum sleeve, 78-hard foam driving plate, 79-inclined hook plate, 710-first bevel gear, 711-hollow stirring shaft, 712-second bevel gear, 713-first belt pulley, 714-second belt pulley, 715-first belt, 716-stirring paddle, 717-quick disassembly mechanism, 717-1-clamping block, 717-2-smooth fixing ring, 717-3-slot, 717-4-notch annular groove, 717-5-positioning groove, 717-6-fixing disc, 717-7-smooth bulge, 717-8-positioning spring rod, 718-plate surface sludge cleaning mechanism, 718-1-extension plate, 718-2-big belt pulley, 718-3-rotating rod, 718-4-small belt pulley, 718-5-second belt, 718-6-reciprocating roller, 718-7-curve groove, 718-9-inserting rod, 718-10-cleaning brush, 719-stirring paddle positioning and adjusting mechanism, 719-1-screw rod, 719-2-thread block, 719-3-connecting block, 719-4-supporting rod, 719-5-receiving disc, 719-6-adjusting disc, 719-4-adjusting disc, 719-7-compression spring rods, 719-8-splicing blocks, 719-9-pressing plates, 719-10-first annular clamping teeth, 719-11-second annular clamping teeth, 719-12-L-shaped plates, 719-13-steel wire ropes, 719-14-positioning hooks, 719-15-positioning hanging rings, 719-16-through grooves, 8-flocculant feeding mechanism and 81-flocculant box, 82-feed pump, 83-first pumping pipe, 84-second pumping pipe, 9-sludge drying mechanism, 91-electric lower filter belt, 92-electric upper filter belt, 93-sludge guide plate, 94-wedge-shaped water guide block, 10-sludge pump, 11-water pump, 12-water pump pipe and 13-flexible extension pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: an environment-friendly sewage treatment process specifically comprises the following steps:

Wherein, sludge treatment equipment in step S2 includes base 1, base 1' S top is fixed with stirring sedimentation tank 2 from a left side to the right side in proper order, U type frame 3, the right side of stirring sedimentation tank 2 is fixed with pressure boost suction pump 4, control through control switch with external power source electric connection, the delivery port intercommunication of pressure boost suction pump 4 has wash pipe 5, be located left side rigid foam drive board 78 directly over, be fixed with diaphragm 6 between the both sides of stirring sedimentation tank 2 inner wall, the inside of stirring sedimentation tank 2 is provided with unpowered rabbling mechanism 7, the rear of stirring sedimentation tank 2 is provided with flocculating agent feed mechanism 8, be provided with sludge drying mechanism 9 on the U type frame 3.

As shown in fig. 1 and fig. 2, in the embodiment of the present invention, the unpowered stirring mechanism 7 includes a sliding plate 71 slidably connected to the rear of the inner wall of the stirring and settling tank 2 and a connecting shaft 72 rotatably connected to the front of the inner wall of the stirring and settling tank 2, a limiting spring rod 73 is rotatably connected to the front of the sliding plate 71, and has elasticity such that a cross key 76 can be stably inserted into the cross key slot 75, a driving shaft 74 is fixed to the front of the limiting spring rod 73, a cross key slot 75 is formed at the rear of the connecting shaft 72, a cross key 76 adapted to the cross key slot 75 is fixed to the front of the driving shaft 74, a hard aluminum sleeve 77 is sleeved on the surface of the driving shaft 74, an aluminum material is used to have the characteristics of small density and light weight, a hard foam driving plate 78 is fixed to the surface of the hard aluminum sleeve 77, the hard foam 78 has certain strength, and is designed to be light in weight so as to be capable of rapidly rotating when water impact is applied, a slanted hook plate 79 is fixed to the surface of the hard foam driving plate 78, the inclined hook plate 79 and the rigid foam driving plate 78 form a certain angle, the inclined hook plate 79 has a water retaining effect, the rigid foam driving plate 78 can smoothly rotate around the driving shaft 74, the surface of the connecting shaft 72 is fixedly provided with a first bevel gear 710, the transverse plate 6 is rotatably penetrated with a hollow stirring shaft 711, the hollow stirring shaft 711 is arranged in a hollow manner, the hollow stirring shaft 711 is provided with three parts, the surface of the middle hollow stirring shaft 711 is fixedly provided with a second bevel gear 712 engaged with the first bevel gear 710, the surface of the middle hollow stirring shaft 711 is also fixedly provided with a first belt pulley 713, the diameter of the first belt pulley 713 is larger than that of the two first belts 715, so that the three hollow stirring shafts 711 can normally rotate, the surfaces of the hollow stirring shafts 711 at two sides are fixedly provided with second belt pulleys 714, the two second belt pulleys 714 are in transmission connection with the surfaces of the first belt pulley 713 through the first belts 715, and the surfaces of the three hollow stirring shafts 711 are respectively provided with stirring paddles 716, the stirring device is provided with a plurality of groups, two stirring paddles 716 in each group, a quick assembly and disassembly mechanism 717 arranged between the driving shaft 74 and the hard aluminum sleeve 77, a plate surface sludge cleaning mechanism 718 arranged between the sliding plate 71 and the limiting spring rod 73, and stirring paddle positioning and adjusting mechanisms 719 arranged on the three hollow stirring shafts 711.

As shown in figures 3 and 4, in the embodiment of the invention, the quick assembly and disassembly mechanism 717 comprises a clamping block 717-1 fixed on the surface of the driving shaft 74 and a smooth fixing ring 717-2 fixed behind the rigid foam driving plate 78, the surface friction coefficient of the smooth fixing ring 717-2 is small, the inner wall of the rigid aluminum sleeve 77 is provided with a slot 717-3 matched with the clamping block 717-1, the inner wall of the rigid aluminum sleeve 77 is provided with a notch ring 717-4 communicated with the slot 717-3, the inner wall of the rigid aluminum sleeve 77 is further provided with a positioning groove 717-5 communicated with the notch ring 717-4, the positioning groove 717-5 is matched with the clamping block 717-1 to position the rigid aluminum sleeve 77, the surface of the driving shaft 74 is further fixed with a fixing disc 717-6, the front of the fixing disc 717-6 is fixed with a positioning spring rod 717-8 to facilitate extrusion of the smooth fixing ring 717-2, further, the hard aluminum sleeve 77 can be tightly matched and clamped with the clamping block 717-1, the smooth bulge 717-7 is fixed at the front end of the positioning spring rod 717-8, the friction coefficient of the surface is small, relative movement can be easily caused when the smooth bulge 717-7 is in contact with the smooth fixing ring 717-2, and the surface of the smooth bulge 717-7 is in contact with the rear portion of the smooth fixing ring 717-2.

As shown in FIG. 2, in the embodiment of the present invention, the plate surface sludge cleaning mechanism 718 includes an extension plate 718-1 fixed in front of the sliding plate 71 and a large belt pulley 718-2 fixed on the surface of the limiting spring rod 73, a rotating rod 718-3 is rotated in front of the sliding plate 71, a small belt pulley 718-4 is fixed on the surface of the rotating rod 718-3, the diameter of the large belt pulley 718-2 is at least ten times that of the small belt pulley 718-4 in the actual use process, the reciprocating roller 718-6 can rotate rapidly by using the principle that the linear speed is the same and the angular speed is different, so as to facilitate the overall cleaning of the cleaning brush 718-10, the rotating rod 718-3 is located at the lower right side of the limiting spring rod 73, the sliding rod 718-8 of the reciprocating roller 718-6 contacts in the rotation process, the hard foam driving plate 78 is not in transmission connection with the surfaces of the large belt pulley 718-2 and the small belt pulley 718-4 by a second belt 718-5, a reciprocating roller 718-6 is fixed on the surface of the rotating rod 718-3, a curved groove 718-7 is formed on the surface of the reciprocating roller 718-6, and in the process that the curved groove 718-7 rotates along with the reciprocating roller 718-6, can drive the sliding rod 718-8 to slide back and forth on the extension plate 718-1 through the inserted link 718-9, and further, the cleaning brush 718-10 can move back and forth to brush mud, a sliding rod 718-8 slides on the top of the extension plate 718-1, an inserting rod 718-9 is fixed at one end of the sliding rod 718-8, the inserting rod 718-9 is matched with the curved groove 718-7 for use, the cleaning brush 718-10 is fixed at the top end of the inserting rod 718-9, bristles on the surface of the cleaning brush 718-10 are long, the cleaning brush can be fully contacted with the hard foam driving plate 78 and the inclined hook plate 79, and sludge at the included angle between the hard foam driving plate 78 and the inclined hook plate 79 can be brushed.

As shown in fig. 5-8, in the embodiment of the present invention, the stirring paddle positioning adjustment mechanism 719 includes a screw rod 719-1 penetrating and rotating on the hollow stirring shaft 711, a thread block 719-2 is connected to a surface thread of the screw rod 719-1, connection blocks 719-3 penetrating to the outside of the hollow stirring shaft 711 are fixed to both sides of a surface of the thread block 719-2, support rods 719-4 are respectively rotated on surfaces of two hollow stirring shafts 711, adjacent support rods 719-4 are rotatably connected to surfaces of the stirring paddles 716 by a pin shaft, a receiving plate 719-5 is fixed above the surface of the hollow stirring shaft 711, through grooves 719-16 adapted to the connection blocks 719-3 are respectively formed on both sides of the surface of the hollow stirring shaft 711, the connection blocks 719-3 can slide in the through grooves 719-16 to limit the through grooves 719-16, an adjusting disc 719-6 is fixed at the top end of the screw rod 719-1, splicing blocks 719-8 are fixed on two sides of the top of the bearing disc 719-5 through compression spring rods 719-7, the compression spring rods 719-7 are arranged to facilitate the pressing disc 719-9 to be attached to the adjusting disc 719-6, a pressing disc 719-9 is fixed between the inner sides of the two splicing blocks 719-8, a first annular latch 719-10 is arranged at the top of the adjusting disc 719-6, a second annular latch 719-11 engaged with the first annular latch 719-10 is arranged at the bottom of the pressing disc 719-9, an L-shaped plate 719-12 is fixed at the top of the bearing disc 719-5, a positioning hook 719-14 is fixed at the top of the inner wall of the L-shaped plate 719-12 through a steel wire rope 719-13, a positioning hanging ring 719-15 matched with the positioning hook 719-14 is fixed at the top of the pressing disc 719-9, the positioning hooks 719-14 are arranged to limit the pressure plates 719-9, so that the rotation of the adjusting plates 719-6 is facilitated.

As shown in fig. 10, in the embodiment of the present invention, the flocculant feeding mechanism 8 includes a flocculant box 81 fixed behind the agitation sedimentation tank 2, the inside of the flocculant box stores flocculant, a feeding pump 82 is fixed on the top of the flocculant box 81, the feeding pump is electrically connected to an external power supply and is controlled by a control switch, a feeding port of the feeding pump 82 is communicated with a first pumping pipe 83 penetrating through the inside of the flocculant box 81, and a discharging port of the feeding pump 82 is communicated with a second pumping pipe 84.

As shown in fig. 1, in the embodiment of the present invention, the sludge drying mechanism 9 includes an electric lower filter belt 91 and an electric upper filter belt 92 fixedly installed between two sides of an inner wall of the U-shaped frame 3, the electric lower filter belt 91 and the electric upper filter belt 92 are both electrically connected to the outside and controlled by a control switch, the electric lower filter belt 91 is disposed below the electric upper filter belt 92, a sludge guide plate 93 is fixed between two sides of the inner wall of the U-shaped frame 3, a wedge-shaped water guide block 94 is fixed at the bottom of the inner wall of the U-shaped frame 3, the electric lower filter belt 91 and the electric upper filter belt 92 move in opposite directions, sludge is squeezed by using the relative movement of the electric lower filter belt 91 and the electric upper filter belt 92, and water in the sludge is squeezed, and the sludge guide plate 93 is located at the lower right side of the electric lower filter belt 91.

As shown in fig. 1, in the embodiment of the present invention, a sludge pump 10 is fixed on the right side of the stirring and settling tank 2, and is electrically connected to an external power source and controlled by a control switch, a water pump 11 is fixed on the left side of the stirring and settling tank 2, and is electrically connected to the external power source and controlled by the control switch, a water inlet of the water pump 11 is communicated with a water pumping pipe 12 penetrating into the stirring and settling tank 2, and a flexible extension pipe 13 is fixed at one end of the water pumping pipe 12, and can freely extend and retract to pump water from which sludge is removed.

And those not described in detail in this specification are well within the skill of those in the art.

When the device works, the booster water pump 4 is started to pump sewage through the flushing pipe 5 and flush the sewage to the surface of the rigid foam driving plate 78, under the water-retaining action of the inclined hook plate 79, the rigid foam driving plate 78 can rapidly drive the driving shaft 74 to rotate around the limiting spring rod 73, and simultaneously the connecting shaft 72 rotates along with the limiting spring rod, further drives the middle hollow stirring shaft 711 to rotate under the matching of the first bevel gear 710 and the second bevel gear 712, meanwhile, under the driving of the first belt pulley 713, the two second belt pulleys 714 are driven to rotate simultaneously through the first belt 715, so that the three hollow stirring shafts 711 can rotate simultaneously, then, the feed pump 82 is started, the flocculant in the inside of the flocculant tank 81 is pumped and sprayed into the agitation sedimentation tank 2 through the second pumping pipe 84, then under the action of the stirring paddle 716, the flocculating agent can be driven to be rapidly mixed with the sewage, and the sludge is rapidly coagulated and forms sediment.

When the rigid foam driving plate 78 is flushed from sewage, a part of sludge in the sewage is remained at an included angle between the rigid foam driving plate 78 and the inclined hook plate 79, the second belt 718-5 is driven to transmit under the rotation of the large belt pulley 718, the rotating rod 718-3 is driven to rotate through the small belt pulley 718-4, the reciprocating roller 718-6 is driven to rotate through the rotating rod 718-3, the sliding rod 718-8 is driven to slide back and forth in the front and back reciprocating manner on the extension plate 718-1 through the insertion rod 718-9 under the action of the curved groove 718 on the surface, the cleaning brush 718-10 can move back and forth to brush sludge, and the sludge at the included angle between the rigid foam driving plate 78 and the inclined hook plate 79 can be quickly brushed clean without affecting the normal operation of the rigid foam driving plate 78.

Wear or fracture of the rigid foam drive plate 78 occurs over time, requiring the rigid foam drive plate 78 to be removed and replaced, pressing the drive shaft 74 rearwardly, thereby allowing the cross key 76 to disengage from the cross key slot 75, and the entire slide plate 71 to be pushed upwardly, so that the rigid foam drive plate 78 is positioned over the cross plate 6, the rigid foam drive plate 78 is then pushed rearwardly, allowing the rigid aluminum sleeve 77 to slide rearwardly along the drive shaft 74, so that the block 717-1 can be separated from the positioning groove 717-5 and enter the notch annular groove 717-4, then the hard aluminum sleeve 77 is rotated to enable the clamping block 717-1 to be positioned in the slot 717-3, at this time, the hard aluminum sleeve 77 can be removed from the surface of the driving shaft 74 by pushing the hard aluminum sleeve 77 forward, the hard foam driving plate 78 is replaced, and when the hard foam driving plate needs to be installed again, the steps are reversed.

If a large amount of flocculating agent needs to be added into the stirring sedimentation tank 2, the stirring range needs to be expanded at this time, the pressure plate 719-9 is pulled upwards, the positioning hanging ring 719-15 is hung on the positioning hook 719-14, the adjusting disc 719-6 can be freely rotated at this time, the screw rod 719-1 is rotated to drive the two thread blocks 719-2 to move upwards, the stirring paddle 716 is rotated to increase the expansion range under the support of the connecting block 719-3 and the support rod 719-4, the positioning hanging ring 719-15 is taken down from the positioning hook 719-14 after the adjustment is completed, the pressure plate 719-9 is quickly reset under the elastic force of the compression spring rod 719-7, the first annular latch 719-10 is meshed with the second annular latch 719-11 to be tightly clamped, and the locking of the screw rod 719-1 is completed, thereby completing the locking of the paddles 716.

After sludge sedimentation, the water pump 11 is started to pump water inside the stirring sedimentation tank 2 to the outside of the stirring sedimentation tank 2, the sludge pump 10 is started to pump sludge to the electric lower filter belt 91, the electric lower filter belt 91 and the electric upper filter belt 92 are started, the sludge is squeezed and drained by relative motion of the sludge and the electric lower filter belt 91, water in the sludge flows to the wedge-shaped water guide block 94 through the electric lower filter belt 91, and the drained sludge is guided out through the sludge guide plate 93.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An environment-friendly sewage treatment process is characterized in that: the method specifically comprises the following steps:

The sludge treatment equipment in the step S2 comprises a base (1), wherein a stirring sedimentation tank (2) and a U-shaped frame (3) are sequentially fixed to the top of the base (1) from left to right, a booster water pump (4) is fixed to the right side of the stirring sedimentation tank (2), a water outlet of the booster water pump (4) is communicated with a flushing pipe (5), a transverse plate (6) is fixed between two sides of the inner wall of the stirring sedimentation tank (2), a powerless stirring mechanism (7) is arranged inside the stirring sedimentation tank (2), a flocculating agent feeding mechanism (8) is arranged behind the stirring sedimentation tank (2), and a sludge drying mechanism (9) is arranged on the U-shaped frame (3);

the unpowered stirring mechanism (7) comprises a sliding plate (71) which is connected to the rear side of the inner wall of the stirring and sedimentation tank (2) in a sliding mode and a connecting shaft (72) which is connected to the front side of the inner wall of the stirring and sedimentation tank (2) in a rotating mode, a limiting spring rod (73) rotates in front of the sliding plate (71), a driving shaft (74) is fixed to the front end of the limiting spring rod (73), a cross key groove (75) is formed in the rear end of the connecting shaft (72), a cross key (76) matched with the cross key groove (75) is fixed to the front end of the driving shaft (74), a hard aluminum sleeve (77) is sleeved on the surface of the driving shaft (74), a hard foam driving plate (78) is fixed to the surface of the hard aluminum sleeve (77), an inclined hook plate (79) is fixed to the surface of the hard foam driving plate (78), and a first bevel gear (710) is fixed to the surface of the connecting shaft (72), the horizontal plate (6) is provided with a hollow stirring shaft (711) in a rotating and penetrating manner, the number of the hollow stirring shaft (711) is three, the middle of the hollow stirring shaft (711) is provided with a second bevel gear (712) meshed with a first bevel gear (710) in a fixed manner, the middle of the hollow stirring shaft (711) is also provided with a first belt pulley (713) in a fixed manner, the surfaces of the hollow stirring shaft (711) on two sides are respectively provided with a second belt pulley (714), the two second belt pulleys (714) are in transmission connection with the surface of the first belt pulley (713) through a first belt (715), the three surfaces of the hollow stirring shaft (711) are respectively provided with a stirring paddle (716) in a rotating manner, a quick disassembling and assembling mechanism (717) is arranged between the driving shaft (74) and a hard aluminum sleeve (77), and a plate surface sludge cleaning mechanism (718) is arranged between the sliding plate (71) and the limiting spring rod (73), and stirring paddle positioning and adjusting mechanisms (719) are arranged on the three hollow stirring shafts (711).

The quick dismounting mechanism (717) comprises a clamping block (717-1) fixed on the surface of the driving shaft (74) and a smooth fixing ring (717-2) fixed behind the hard foam driving plate (78), a slot (717-3) matched with the clamping block (717-1) is formed in the inner wall of the hard aluminum sleeve (77), a notch annular groove (717-4) communicated with the slot (717-3) is formed in the inner wall of the hard aluminum sleeve (77), a positioning groove (717-5) communicated with the notch annular groove (717-4) is further formed in the inner wall of the hard aluminum sleeve (77), a fixing disc (717-6) is further fixed on the surface of the driving shaft (74), a positioning spring rod (717-8) is fixed in front of the fixing disc (717-6), and a smooth protrusion (717-7) is fixed at the front end of the positioning spring rod (717-8), the surface of the smooth bulge (717-7) is contacted with the rear part of the smooth fixing ring (717-2).

The plate surface sludge cleaning mechanism (718) comprises an extension plate (718-1) fixed in front of a sliding plate (71) and a large belt pulley (718-2) fixed on the surface of a limiting spring rod (73), a rotating rod (718-3) is rotated in front of the sliding plate (71), a small belt pulley (718-4) is fixed on the surface of the rotating rod (718-3), a second belt (718-5) is connected between the surface of the large belt pulley (718-2) and the surface of the small belt pulley (718-4) in a transmission manner, a reciprocating roller (718-6) is further fixed on the surface of the rotating rod (718-3), a curved groove (718-7) is formed in the surface of the reciprocating roller (718-6), a sliding rod (718-8) is arranged at the top of the extension plate (718-1), an inserting rod (718-9) is fixed at one end of the sliding rod (718-8), the inserted bar (718-9) is matched with the curved groove (718-7) for use, and the top end of the inserted bar (718-9) is fixed with a cleaning brush (718-10).

2. The environment-friendly sewage treatment process as claimed in claim 1, wherein: the stirring paddle positioning and adjusting mechanism (719) comprises a screw rod (719-1) which penetrates through and rotates on a hollow stirring shaft (711), a thread block (719-2) is connected to the surface of the screw rod (719-1) in a threaded mode, connecting blocks (719-3) which penetrate through the outside of the hollow stirring shaft (711) are fixed to the two sides of the surface of the thread block (719-2), supporting rods (719-4) are respectively rotated on the surfaces of the two hollow stirring shafts (711), the adjacent supporting rods (719-4) are rotatably connected with the surface of the stirring paddle (716) through pin shafts, a bearing disc (719-5) is fixed above the surface of the hollow stirring shaft (711), and through grooves (719-16) matched with the connecting blocks (719-3) are formed in the two sides of the surface of the hollow stirring shaft (711).

3. The environment-friendly sewage treatment process as claimed in claim 2, wherein: an adjusting disc (719-6) is fixed at the top end of the screw rod (719-1), splicing blocks (719-8) are fixed on two sides of the top of the bearing disc (719-5) through compression spring rods (719-7), a pressure plate (719-9) is fixed between the inner sides of the two splicing blocks (719-8), and a first annular clamping tooth (719-10) is arranged at the top of the adjusting disc (719-6).

4. The environment-friendly sewage treatment process as claimed in claim 3, wherein: the bottom of the pressure plate (719-9) is provided with a second annular latch (719-11) meshed with the first annular latch (719-10), the top of the bearing plate (719-5) is fixed with an L-shaped plate (719-12), the top of the inner wall of the L-shaped plate (719-12) is fixed with a positioning hook (719-14) through a steel wire rope (719-13), and the top of the pressure plate (719-9) is fixed with a positioning hanging ring (719-15) matched with the positioning hook (719-14).

5. The environment-friendly sewage treatment process as claimed in claim 1, wherein: flocculating agent feed mechanism (8) is including fixing flocculating agent case (81) at stirring sedimentation tank (2) rear, the top of flocculating agent case (81) is fixed with feed pump (82), the feed inlet intercommunication of feed pump (82) has the first pipe (83) of taking out that runs through to flocculating agent case (81) inside, the discharge gate intercommunication of feed pump (82) has the second to take out pipe (84).

6. The environment-friendly sewage treatment process as claimed in claim 1, wherein: sludge drying mechanism (9) are including electric lower filter belt (91) and electronic upper filter belt (92) of fixed mounting between U type frame (3) inner wall both sides, electronic lower filter belt (91) sets up the below of electronic upper filter belt (92), be fixed with between the both sides of U type frame (3) inner wall and lead mud board (93), the bottom of U type frame (3) inner wall is fixed with wedge water guide block (94).

7. The environment-friendly sewage treatment process as claimed in claim 6, wherein: the electric lower filter belt (91) and the electric upper filter belt (92) are opposite in moving direction, and the mud guide plate (93) is positioned at the right lower part of the electric lower filter belt (91).

8. The environment-friendly sewage treatment process as claimed in claim 1, wherein: the right side of stirring sedimentation tank (2) is fixed with dredge pump (10), the left side of stirring sedimentation tank (2) is fixed with suction pump (11), the water inlet intercommunication of suction pump (11) has and runs through to stirring sedimentation tank (2) inside drinking-water pipe (12), the one end of drinking-water pipe (12) is fixed with flexible pipe (13).