CN108892330B

CN108892330B - Domestic sewage treatment equipment

Info

Publication number: CN108892330B
Application number: CN201810922352.0A
Authority: CN
Inventors: 袁福德; 杨立; 王小玲
Original assignee: Jiangsu Weixin Environmental Protection Equipment Co ltd
Current assignee: JIANGSU WEIXIN ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd.
Priority date: 2018-08-14
Filing date: 2018-08-14
Publication date: 2021-03-12
Anticipated expiration: 2038-08-14
Also published as: CN108892330A

Abstract

The invention relates to the field of sewage treatment equipment, in particular to domestic sewage treatment equipment which comprises a pretreatment device, a biochemical treatment device, a sludge treatment device, a salvage treatment device, a first disinfection device and a second disinfection device, wherein the pretreatment device is positioned right above the biochemical treatment device, the salvage treatment device is positioned beside the biochemical treatment device, the sludge treatment device is positioned between the biochemical treatment device and the salvage treatment device, a first connecting pipeline is arranged between the sludge treatment device and the salvage treatment device, the second disinfection device is positioned beside the salvage treatment device, a second connecting pipeline is arranged between the salvage treatment device and the first disinfection device, a third connecting pipeline is arranged between the first disinfection device and the second disinfection device, and water pumps are respectively arranged on the first connecting pipeline, the second connecting pipeline and the third connecting pipeline. The invention can recycle the domestic sewage, saves water resources, protects the environment and saves the living cost of people.

Description

Domestic sewage treatment equipment

Technical Field

The invention relates to the field of sewage treatment equipment, in particular to domestic sewage treatment equipment.

Background

Water is an inorganic substance composed of two elements of hydrogen and oxygen, and is a colorless and odorless transparent liquid at normal temperature and pressure. Water is one of the most common substances, an important resource for the survival of all life including humans, and also the most important component of an organism. Water plays an important role in life evolution. The human beings have been aware of water very early, and water is regarded as a basic constituent element in the ancient and plain material view of east and west, and is one of five elements in the ancient China; water is also present in the western ancient four-element theory.

Water is an important resource which can not be lacked in human life, domestic sewage is mainly discharged water generated by various kitchen water, washing water and toilet water used in human life, most of the domestic sewage is nontoxic inorganic salts, and the domestic sewage contains more nitrogen, phosphorus and sulfur and more pathogenic bacteria. At present, the existing domestic sewage is directly discharged into a sewer, so that the burden of the whole urban sewage treatment is increased, and the waste of water resources is caused.

Disclosure of Invention

The invention aims to provide domestic sewage treatment equipment to solve the problem that domestic sewage cannot be treated and reused.

The technical scheme of the invention is as follows: the salvage device comprises a pretreatment device, a biochemical treatment device, a sludge treatment device, a salvage treatment device, a first disinfection device and a second disinfection device, wherein the pretreatment device is positioned right above the biochemical treatment device, the salvage treatment device is positioned beside the biochemical treatment device, the sludge treatment device is positioned between the biochemical treatment device and the salvage treatment device, a first connecting pipeline for communicating the sludge treatment device and the salvage treatment device is arranged between the sludge treatment device and the salvage treatment device, the second disinfection device is positioned beside the salvage treatment device, the first disinfection device is positioned between the second disinfection device and the salvage treatment device, a second connecting pipeline for communicating the sludge treatment device and the salvage treatment device is arranged between the salvage treatment device and the first disinfection device, a third connecting pipeline for communicating the sludge treatment device and the salvage treatment device is arranged between the first disinfection device and the second disinfection device, and a third connecting pipeline for communicating the sludge treatment device and the first disinfection, And the second connecting pipeline and the third connecting pipeline are both provided with water pumps.

In a preferred embodiment of the present invention, the pretreatment device includes a pretreatment tank, a grating and a pushing assembly, a sealing door is hinged to a side wall of a right end of the pretreatment tank, a sewage inlet pipe is arranged on a side wall of a front end of the pretreatment tank, the grating is horizontally installed inside the pretreatment tank, the pushing assembly is installed at a top of the pretreatment tank, a limiting member is hinged to the sealing door, a limiting member which is L-shaped and is matched with the limiting member is arranged on an outer wall of the pretreatment tank, and a first drain pipe is arranged at a bottom of the pretreatment tank.

In a preferred embodiment of the invention, the pushing assembly comprises a first servo motor, a first coupling, a first chain, a first horizontal plate, a pushing plate and two first chain wheels, wherein the front end and the rear end of the top of the pretreatment tank are respectively provided with a first mounting seat, the two first chain wheels are respectively mounted on the two first mounting seats, the first chain is mounted on the two first chain wheels, the first servo motor is mounted at the side of one first mounting seat, one end of the first coupling is mounted on the output end of the first servo motor, the other end of the first coupling is connected with one first chain wheel, the first horizontal plate is welded on the first chain, the pushing plate is vertically mounted at the bottom of the first horizontal plate, the bottom of the pushing plate is provided with a plurality of scraping teeth made of rubber materials, the scraping teeth are abutted against the grating, the left end and the right end of the top of the pretreatment tank are respectively provided with a first sliding seat, and the two ends of the first horizontal plate are respectively provided with a first sliding block in sliding fit with the first sliding seat.

In a preferred embodiment of the invention, the biochemical treatment device comprises an adjusting tank and an anaerobic tank, a first lift pump is arranged between the adjusting tank and the anaerobic tank, a second drain pipe which is connected with a water inlet end of the first lift pump in a flange manner is arranged at one end of the adjusting tank, an L-shaped first water inlet pipe is installed at a water outlet end of the first lift pump, a first installation block is arranged on the outer wall of one end of the anaerobic tank, a first clamp seat is arranged on the first installation block, one end of the first water inlet pipe is fixed on the first clamp seat, a second lift pump is arranged beside the anaerobic tank, a third drain pipe which is connected with a water inlet end of the second lift pump in a flange manner is arranged at one end of the anaerobic tank, and an L-shaped second water inlet pipe is installed at a water outlet end of the second lift pump.

In a preferred embodiment of the invention, the sludge treatment device comprises a sludge settling tank, a sludge concentrating tank, a return pipe and a return pump, wherein the sludge settling tank is fixed at the top of the sludge concentrating tank, a second mounting block is arranged on the outer wall of one end of the sludge settling tank, a second clamp seat is arranged on the second mounting block, one end of a second water inlet pipe is fixed on the second clamp seat, one end of the return pipe is connected to the sludge settling tank, the other end of the return pipe is connected to the sludge concentrating tank, the return pump is arranged on the return pipe, and one end of the sludge concentrating tank is provided with a side cover.

In a preferred embodiment of the invention, the fishing device comprises a bottom plate, a stirring box, a stirring motor, a shaft coupling seat, a stirring shaft, a fishing component, a mouth-shaped bearing plate and two lifting components for driving the bearing plate to lift, wherein the stirring box is installed on the bottom plate, the stirring motor is vertically installed on the bottom plate, the shaft coupling seat is installed at the bottom of the stirring box, the output end of the stirring motor is connected to the shaft coupling seat, the stirring shaft penetrates through the bottom of the stirring box and is connected to the shaft coupling seat, a plurality of stirring blades uniformly distributed along the circumferential direction of the stirring shaft are arranged on the stirring shaft, the two lifting components are respectively installed on two sides of the stirring box, the bearing plate is installed on the two lifting components, and the fishing component is installed.

In a preferred embodiment of the present invention, the lifting assembly includes a lifting cylinder and two guide bases, the two ends of the stirring box are respectively provided with a holding tank, the lifting cylinder is installed in the holding tank, the two guide bases are symmetrically arranged on two sides of the lifting cylinder, the bottom of the bearing plate is provided with two guide rods slidably engaged with the two guide bases, and the output end of the lifting cylinder is connected with the bottom of the bearing plate.

In a preferred embodiment of the invention, the fishing assembly comprises a second servo motor, a second coupling, a second chain, a second horizontal plate, a fishing box and two second chain wheels, wherein the front end and the rear end of the stirring box are respectively provided with a second mounting seat, the two second chain wheels are respectively mounted on the two second mounting seats, the second chain is mounted on the two second chain wheels, the second servo motor is mounted at the side of one second mounting seat, one end of the second coupling is mounted on the output end of the second servo motor, the other end of the second coupling is connected with one second chain wheel, the second horizontal plate is welded on the second chain, two ends of the bottom of the second horizontal plate are respectively provided with a hook, the top of the fishing box is provided with two hanging rings matched with the two hooks, the fishing box is provided with a plurality of filtering holes, the left end and the right end of the top of the stirring box are respectively provided with a second sliding seat, and the two ends of the second horizontal plate are respectively provided with a second sliding block in sliding fit with the second sliding seat.

In a preferred embodiment of the invention, the first disinfection device comprises a first disinfection box, a hopper, a discharge motor, a first gear, a second gear, a rotating shaft and a discharge disc, wherein a biological filter bed is arranged inside the first disinfection box, the hopper is arranged at the top of the first disinfection box, a discharge pipeline is arranged at the bottom of the hopper, a feed pipeline is arranged at the top of the first disinfection box and is positioned right below the discharge pipeline, a mounting round seat is arranged beside the feed pipeline, the rotating shaft is vertically and rotatably arranged on the mounting round seat, the discharge disc is arranged at the top of the rotating shaft, the upper end and the lower end of the discharge disc respectively abut against the discharge pipeline and the feed pipeline, a plurality of discharge holes evenly distributed along the circumferential direction of the discharge disc are arranged on the discharge disc, the first gear is arranged on the rotating shaft and is positioned right below the discharge disc, the discharge motor is vertically arranged at the top of the first disinfection box, the second gear is arranged on the output end of the discharging motor and meshed with the first gear.

In a preferred embodiment of the present invention, the second sterilization device includes a second sterilization box, an activated carbon filter screen and an ozone generator, the ozone generator is installed on the top of the second sterilization box, an output end of the ozone generator penetrates through the top of the second sterilization box and is placed inside the second sterilization box, the activated carbon filter screen is horizontally installed inside the second sterilization box, a fourth drain pipe is arranged on the outer wall of the second sterilization box, and the fourth drain pipe is located below the activated carbon filter screen.

The invention provides a domestic sewage treatment device through improvement, compared with the prior art, the domestic sewage treatment device has the following improvements and advantages: sewage can enter the pretreatment box from a sewage inlet pipeline, the grating can filter bulky floaters, then the sewage is discharged into the regulating reservoir from the first drainage pipe, when the floaters need to be cleaned, the pushing assembly scrapes and removes the floaters on the grating together, people can quickly clean all the floaters by opening the sealing door, the regulating reservoir can regulate the water quantity and the water quality of the sewage, then the first lifting pump pumps the sewage in the regulating reservoir into the anaerobic tank, the anaerobic tank carries out biochemical treatment on the sewage, then the second lifting pump pumps the sewage in the anaerobic tank into the sludge settling box, the sewage carries out moisture and sludge separation in the sludge settling box, the reflux pump pumps the sludge in the sludge settling box into the sludge concentration box, the sewage with the sludge removed enters the stirring box from the first connecting pipeline, and the stirring motor drives all the stirring blades to rotate, tiny impurities in the sewage can float to the upper surface of the sewage, the fishing assembly can salvage the tiny impurities, the lifting assembly can drive the fishing assembly to circularly lift, so that the fishing assembly can circularly salvage, then the sewage enters the first disinfection box from the second connecting pipeline, disinfectant in the hopper is circularly put into the first disinfection box to be sterilized, the biofilter bed can also be sterilized, then the sewage enters the second disinfection box, the activated carbon filter screen is matched with ozone generated by the ozone generator to be sterilized again, and finally clear water is discharged from the fourth water discharge pipe.

Drawings

The invention is further explained below with reference to the figures and examples:

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

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a first perspective view of the pretreatment apparatus;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a second perspective view of the pretreatment device;

FIG. 6 is a partial perspective view of the present invention;

FIG. 7 is a first perspective view of the salvage processing device;

FIG. 8 is a second perspective view of the salvage processing device;

FIG. 9 is an enlarged view at B in FIG. 8;

FIG. 10 is a partial cross-sectional view of the fishing device;

FIG. 11 is a side view of the first sterilizing device;

FIG. 12 is a perspective view of a first sterilization device;

FIG. 13 is a partial cross-sectional view of a second sterilizing device;

description of reference numerals: the device comprises a pretreatment device 1, a pretreatment tank 1a, a sewage inlet pipeline 1a1, a limiting block 1a2, a first drain pipe 1a3, a first mounting seat 1a4, a first sliding seat 1a5, a grating 1b, a pushing assembly 1c, a first servo motor 1c1, a first coupling 1c2, a first chain 1c3, a first horizontal plate 1c4, a pushing plate 1c5, a scraping tooth 1c5a, a first chain wheel 1c6, a sealing door 1d, a limiting piece 1d1, a biochemical treatment device 2, a regulating tank 2a, a second drain pipe 2a1, an anaerobic tank 2b, a first mounting block 2b1, a first clamp seat 2b2, a third drain pipe 2b3, a first lifting pump 2b4, a first inlet pipe 2b5, a second lifting pump 2b6, a second inlet pipe 2b7, a sludge treatment device 3, a settling tank 1a, a second clamp seat 863 b, a side cover 863 b 863, a side cover 863 b and a side cover 863 b 863, a reflux pump 3d, a fishing treatment device 4, a bottom plate 4a, a stirring box 4b, a holding groove 4b1, a second mounting seat 4b2, a second sliding seat 4b3, a stirring motor 4c, a coupling seat 4d, a fishing component 4e, a second servo motor 4e1, a second coupler 4e2, a second chain 4e3, a second horizontal plate 4e4, a hook 4e4a, a fishing box 4e5, a filtering hole 4e5a, a hanging ring 4e5b, a second chain wheel 4e6, a bearing plate 4g, a guide rod 4g1, a lifting component 4h, a lifting cylinder 4h1, a guide seat 4h2, a stirring blade 4p, a first disinfection device 5, a first disinfection box 5a, a feeding pipe 5a1, a mounting circular seat 5a2, a blanking hopper 5b, a1, a emptying pipe 5c, a first blanking gear 5d, a second box 5f, a disinfection box 5a, a rotating shaft 6866, a fourth water discharge pipe 6a1, an activated carbon filter screen 6b, an ozone generator 6c, a first connecting pipeline 7, a second connecting pipeline 8, a third connecting pipeline 9 and a water pump 9 a.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 13, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

The invention provides a domestic sewage treatment device through improvement, as shown in figures 1-13, the domestic sewage treatment device comprises a pretreatment device 1, a biochemical treatment device 2, a sludge treatment device 3, a salvage treatment device 4, a first disinfection device 5 and a second disinfection device 6, wherein the pretreatment device 1 is positioned right above the biochemical treatment device 2, the salvage treatment device 4 is positioned at the side of the biochemical treatment device 2, the sludge treatment device 3 is positioned between the biochemical treatment device 2 and the salvage treatment device 4, a first connecting pipeline 7 for communicating the sludge treatment device 3 and the salvage treatment device 4 is arranged between the sludge treatment device 3 and the salvage treatment device 4, the second disinfection device 6 is positioned at the side of the salvage treatment device 4, the first disinfection device 5 is positioned between the second disinfection device 6 and the salvage treatment device 4, a second connecting pipeline 8 for communicating the salvage treatment device 4 and the first disinfection device 5 is arranged between the salvage treatment device 4 and the first disinfection device 5, a third connecting pipeline 9 used for communicating the first disinfection device 5 and the second disinfection device 6 is arranged between the first disinfection device and the second disinfection device, and a water pump 9a is arranged on each of the first connecting pipeline 7, the second connecting pipeline 8 and the third connecting pipeline 9.

The working principle of the invention is as follows: the sewage firstly enters the pretreatment device 1 to filter large-volume floaters, then enters the biochemical treatment device 2 to regulate water quantity, regulate water quality and carry out biochemical treatment, the treated sewage enters the sludge treatment device 3, the sludge treatment device 3 separates water from sludge, the treated sewage is extracted by a water pump 9a on a first connecting pipeline 7 and conveyed into the salvage treatment device 4, the salvage treatment device 4 can stir the sewage in the sewage, so that fine impurities float on the upper surface of the sewage, the salvage treatment device 4 automatically cleans the fine impurities, then the sewage is extracted by a water pump 9a on a second connecting pipeline 8 and conveyed into the first disinfection device 5 for disinfection, and after the first disinfection is finished, the water pump 9a on a third connecting pipeline 9 is extracted and conveyed into the second disinfection device 6 for disinfection again, finally, clear water is formed.

The pretreatment device 1 comprises a pretreatment box 1a, a grating 1b and a pushing assembly 1c, a sealing door 1d is hinged to the side wall of the right end of the pretreatment box 1a, a sewage inlet pipeline 1a1 is arranged on the side wall of the front end of the pretreatment box 1a, the grating 1b is horizontally installed inside the pretreatment box 1a, the pushing assembly 1c is installed at the top of the pretreatment box 1a, a limiting piece 1d1 is hinged to the sealing door 1d, a limiting piece 1a2 which is L-shaped and matched with the limiting piece 1d1 is arranged on the outer wall of the pretreatment box 1a, and a first drainage pipe 1a3 is arranged at the bottom of the pretreatment box 1 a; sewage can enter into pretreatment tank 1a from sewage admission line 1a1 in, grid 1b can filter bulky floater, and sewage is arranged to equalizing basin 2a in following from first drain pipe 1a3, and when the floater needs to be cleared up, pass subassembly 1c and scrape the floater on grid 1b together and remove, people rotate locating part 1d1, locating part 1d1 and locating part 1a2 separation to let people open sealing door 1d and clear up all floaters fast.

The pushing assembly 1c comprises a first servo motor 1c1, a first coupler 1c2, a first chain 1c3, a first horizontal plate 1c4, a pushing plate 1c5 and two first chain wheels 1c6, the front end and the rear end of the top of the pretreatment tank 1a are respectively provided with a first mounting seat 1a4, the two first chain wheels 1c6 are respectively mounted on two first mounting seats 1a4, the first chain 1c3 is mounted on two first chain wheels 1c6, the first servo motor 1c1 is mounted on the side of one first mounting seat 1a4, one end of the first coupler 1c2 is mounted on the output end of the first servo motor 1c1, the other end of the first coupler 1c2 is connected with one first chain wheel 1c6, the first horizontal plate 1c4 is welded on the first chain 1c3, the pushing plate 461 c5 is vertically mounted on the bottom of the first horizontal plate 1c 375, the pushing plate 1c5 is provided with a plurality of rubber scrapers 4, the scraping teeth 1c5a are abutted against the grating 1b, the left end and the right end of the top of the pretreatment box 1a are respectively provided with a first sliding seat 1a5, and the two ends of the first horizontal plate 1c4 are respectively provided with a first sliding block 1c4a in sliding fit with the first sliding seat 1a 5; the first servo motor 1c1 drives the first shaft coupling 1c2 to rotate, the first shaft coupling 1c2 drives the corresponding first chain wheel 1c6 to rotate, the first chain wheel 1c6 drives the first chain 1c3 to rotate, the first chain 1c3 drives the first horizontal plate 1c4 and the pushing plate 1c5 to move synchronously, all scraping teeth 1c5a at the bottom of the pushing plate 1c5 push all large-volume floating objects on the grating 1b to the sealing door 1d, and the first horizontal plate 1c4 can be kept balanced by the cooperation of the two first sliding seats 1a5 and the two first sliding blocks 1c4 a.

The biochemical treatment device 2 comprises a regulating tank 2a and an anaerobic tank 2b, a first lifting pump 2b4 is arranged between the regulating tank 2a and the anaerobic tank 2b, one end of the regulating pool 2a is provided with a second water discharge pipe 2a1 which is connected with a water inlet end flange of the first lifting pump 2b4, the water outlet end of the first lift pump 2b4 is provided with an L-shaped first water inlet pipe 2b5, a first mounting block 2b1 is arranged on the outer wall of one end of the anaerobic tank 2b, a first clamp seat 2b2 is arranged on the first mounting block 2b1, one end of the first water inlet pipe 2b5 is fixed on the first clamp seat 2b2, a second lift pump 2b6 is arranged beside the anaerobic tank 2b, one end of the anaerobic tank 2b is provided with a third water discharge pipe 2b3 which is connected with a water inlet end flange of a second lifting pump 2b6, the water outlet end of the second lift pump 2b6 is provided with an L-shaped second water inlet pipe 2b 7; sewage enters the regulating reservoir 2a, the regulating reservoir 2a can regulate the water quantity and the water quality of the sewage, then the first lift pump 2b4 pumps the sewage in the regulating reservoir 2a to the anaerobic reservoir 2b, the anaerobic reservoir 2b can carry out biochemical treatment on the sewage, and then the second lift pump 2b6 pumps the sewage in the anaerobic reservoir 2b to the sludge treatment device 3.

The sludge treatment device 3 comprises a sludge settling tank 3a, a sludge concentration tank 3b, a return pipe 3c and a return pump 3d, the sludge settling tank 3a is fixed at the top of the sludge concentration tank 3b, a second mounting block 3a1 is arranged on the outer wall of one end of the sludge settling tank 3a, a second clamp seat 3a2 is arranged on a second mounting block 3a1, one end of a second water inlet pipe 2b7 is fixed on the second clamp seat 3a2, one end of the return pipe 3c is connected to the sludge settling tank 3a, the other end of the return pipe is connected to the sludge concentration tank 3b, the return pump 3d is mounted on the return pipe 3c, and one end of the sludge concentration tank 3b is provided with a side cover 3b 1; when sewage enters the sludge settling tank 3a, the sludge settling tank 3a separates moisture and sludge in the sewage, then the reflux pump 3d works to pump the sludge in the sludge settling tank 3a into the reflux pipe 3c, then the sludge enters the sludge concentration tank 3b from the reflux pipe 3c, and the side cover 3b1 is opened, so that the sludge can be rapidly cleaned manually.

The fishing treatment device 4 comprises a bottom plate 4a, a stirring box 4b, a stirring motor 4c, a coupling seat 4d, a stirring shaft, a fishing component 4e, a mouth-shaped bearing plate 4g and two lifting components 4h for driving the bearing plate 4g to lift, the stirring box 4b is arranged on the bottom plate 4a, the stirring motor 4c is vertically arranged on the bottom plate 4a, the coupling seat 4d is arranged at the bottom of the stirring box 4b, the output end of the stirring motor 4c is connected with the coupling seat 4d, the stirring shaft penetrates through the bottom of the stirring box 4b and is connected on a shaft coupling seat 4d, the stirring shaft is provided with a plurality of stirring blades 4p which are uniformly distributed along the circumferential direction of the stirring shaft, two lifting components 4h are respectively arranged at the two sides of the stirring box 4b, the bearing plate 4g is arranged on the two lifting assemblies 4h, and the fishing assembly 4e is arranged on the bearing plate 4 g; when sewage enters into agitator tank 4b in, agitator motor 4c drives the (mixing) shaft through shaft coupling 4d and rotates, the (mixing) shaft drives all stirring leaf 4p and rotates, stirring leaf 4p stirs sewage, tiny impurity floats at the sewage upper surface along with rotating in the sewage, immediately salvage the impurity of equipment work to sewage upper surface and salvage filtration treatment, lifting unit 4h can circulate lifting loading board 4g and salvage subassembly 4e and circulate and go up and down, thereby let salvage subassembly 4e and can circulate to salvage the sewage upper surface.

The lifting assembly 4h comprises a lifting cylinder 4h1 and two guide bases 4h2, two ends of the stirring box 4b are respectively provided with a holding groove 4b1, the lifting cylinder 4h1 is installed in the holding groove 4b1, the two guide bases 4h2 are symmetrically arranged on two sides of the lifting cylinder 4h1, the bottom of the bearing plate 4g is provided with two guide rods 4g1 in sliding fit with the two guide bases 4h2, and the output end of the lifting cylinder 4h1 is connected with the bottom of the bearing plate 4 g; the two lifting cylinders 4h1 drive the bearing plate 4g to move upwards at the same time, and the matching of the four guide seats 4h2 and the four guide rods 4g1 can ensure that the bearing plate 4g always keeps balance.

The fishing assembly 4e comprises a second servo motor 4e1, a second coupling 4e2, a second chain 4e3, a second horizontal plate 4e4, a fishing box 4e5 and two second chain wheels 4e6, wherein the front end and the rear end of the stirring box are respectively provided with a second mounting seat 4b2, the two second chain wheels 4e6 are respectively arranged on two second mounting seats 4b2, the second chain 4e3 is arranged on the two second chain wheels 4e6, the second servo motor 4e1 is arranged beside one second mounting seat 4b2, one end of the second coupling 4e2 is arranged on the output end of the second servo motor 4e1, the other end of the second coupling is connected with one second chain wheel 4e6, the second horizontal plate 4e4 is welded on the second chain 4e3, the two ends of the bottom of the second horizontal plate 4e4 are respectively provided with a hook 4e4a, the top of the fishing box 4e 594 e 599 is provided with two hook rings 599, a plurality of filtering holes 4e5a are formed in the fishing box 4e5, second sliding seats 4b3 are arranged at the left end and the right end of the top of the stirring box 4b, and second sliding blocks 4e4b in sliding fit with the second sliding seats 4b3 are arranged at the two ends of the second horizontal plate 4e 4; the second servo motor 4e1 drives the second coupling 4e2 to rotate, the second coupling 4e2 drives a corresponding second chain wheel 4e6 to rotate, the second chain wheel 4e6 drives the second chain 4e3 to rotate, the second chain 4e3 drives the second horizontal plate 4e4 and the fishing box 4e5 to move synchronously, the filtering holes 4e5a in the fishing box 4e5 can filter out fine impurities on the upper surface of sewage, the matching of the two first sliding seats 1a5 and the two first sliding blocks 1c4a can ensure that the first horizontal plate 1c4 is always kept balanced, and the design of the two hooks 4e4a and the two hanging rings 4e5b can facilitate people to rapidly disassemble the fishing box 4e5 for cleaning.

The first disinfection device 5 comprises a first disinfection box 5a, a hopper 5b, a discharging motor 5c, a first gear 5d, a second gear 5e, a rotary shaft 5f and a discharging disc 5g, wherein a biological filter bed is arranged inside the first disinfection box 5a, the hopper 5b is arranged at the top of the first disinfection box 5a, a discharging pipeline 5b1 is arranged at the bottom of the hopper 5b, a feeding pipeline 5a1 is arranged at the top of the first disinfection box 5a and under the discharging pipeline 5b1, a mounting round seat 5a2 is arranged beside the feeding pipeline 5a1, the rotary shaft 5f is vertically and rotatably arranged on the mounting round seat 5a2, the discharging disc 5g is arranged at the top of the rotary shaft 5f, the upper end and the lower end of the discharging disc 5g are respectively arranged on the discharging pipeline 5b1 and the feeding pipeline 5a1, a plurality of discharging holes 5g1 which are circumferentially and uniformly distributed along the discharging disc 5g are arranged on the discharging disc 5g, the first gear 5d is arranged on the rotating shaft 5f and is positioned right below the material placing disc 5g, the material placing motor 5c is vertically arranged at the top of the first sterilizing box 5a, the second gear 5e is arranged on the output end of the material placing motor 5c, and the second gear 5e is meshed with the first gear 5 d; when sewage goes on in first disinfect box 5a, blowing motor 5c work drive second gear 5e rotates, and second gear 5e drives first gear 5d and rotates, and first gear 5d drives blowing dish 5g and pivot 5f and carries out synchronous rotation, and when a blowing hole 5g1 on blowing dish 5g was located between unloading pipeline 5b1 and the feed pipeline 5a1, the disinfectant in the hopper 5b just can enter into first disinfect box 5a to the volume that the control disinfectant got into has been realized.

The second disinfection device 6 comprises a second disinfection box 6a, an active carbon filter screen 6b and an ozone generator 6c, the ozone generator 6c is installed at the top of the second disinfection box 6a, the output end of the ozone generator 6c penetrates through the top of the second disinfection box 6a and is placed inside the second disinfection box 6a, the active carbon filter screen 6b is horizontally installed inside the second disinfection box 6a, a fourth drain pipe 6a1 is arranged on the outer wall of the second disinfection box 6a, and the fourth drain pipe 6a1 is located below the active carbon filter screen 6 b; when the sewage is introduced into the second sterilizing compartment 6a, the ozone generator 6c is operated to generate ozone and the ozone is transferred into the second sterilizing compartment 6a, and the ozone and activated carbon filter 6b can sterilize the sewage for the second time, so that the sewage is completely converted into clean water and discharged from the fourth water discharge pipe 6a 1.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a domestic sewage treatment equipment which characterized in that: including preprocessing device (1), biochemical treatment device (2), sludge treatment device (3), salvage processing apparatus (4), first degassing unit (5) and second degassing unit (6), preprocessing device (1) is located biochemical treatment device (2) directly over, salvage processing apparatus (4) are located the side of biochemical treatment device (2), sludge treatment device (3) are located between biochemical treatment device (2) and salvage processing apparatus (4), be equipped with between sludge treatment device (3) and the salvage processing apparatus (4) and be used for communicateing first connecting tube (7) between the two, second degassing unit (6) are located the side of salvage processing apparatus (4), first degassing unit (5) are located between second degassing unit (6) and salvage processing apparatus (4), be equipped with between salvage processing apparatus (4) and first degassing unit (5) and be used for communicateing the second connecting tube of the two (8) A third connecting pipeline (9) for communicating the first disinfection device (5) and the second disinfection device (6) is arranged between the first disinfection device and the second disinfection device, and water pumps (9 a) are respectively arranged on the first connecting pipeline (7), the second connecting pipeline (8) and the third connecting pipeline (9); the pretreatment device (1) comprises a pretreatment box (1 a), a grating (1 b) and a pushing assembly (1 c), a sealing door (1 d) is hinged to the side wall of the right end of the pretreatment box (1 a), a sewage inlet pipeline (1 a 1) is arranged on the side wall of the front end of the pretreatment box, the grating (1 b) is horizontally installed inside the pretreatment box (1 a), the pushing assembly (1 c) is installed at the top of the pretreatment box (1 a), a limiting piece (1 d 1) is hinged to the sealing door (1 d), a limiting piece (1 a 2) which is L-shaped and matched with the limiting piece (1 d 1) is arranged on the outer wall of the pretreatment box (1 a), and a first drainage pipe (1 a 3) is arranged at the bottom of the pretreatment box (1 a); the pushing assembly (1 c) comprises a first servo motor (1 c 1), a first coupler (1 c 2), a first chain (1 c 3), a first horizontal plate (1 c 4), a pushing plate (1 c 5) and two first chain wheels (1 c 6), wherein the front end and the rear end of the top of the pretreatment box (1 a) are respectively provided with a first mounting seat (1 a 4), the two first chain wheels (1 c 6) are respectively mounted on the two first mounting seats (1 a 4), the first chain (1 c 3) is mounted on the two first chain wheels (1 c 6), the first servo motor (1 c 1) is mounted at the side of one first mounting seat (1 a 4), one end of the first coupler (1 c 2) is mounted at the output end of the first servo motor (1 c 1), the other end of the first coupler (1 c 2) is connected with one first chain wheel (1 c 6), and the first horizontal plate (1 c 4) is welded on the first chain wheel (1 c 3), pass board (1 c 5) and vertically install the bottom at first horizontal plate (1 c 4), the bottom of passing board (1 c 5) is equipped with a plurality of and scrapes tooth (1 c5 a) by what rubber material made, scrape tooth (1 c5 a) and contradict on grid (1 b), both ends all are equipped with first slide (1 a 5) about pretreatment case (1 a) top, the both ends of first horizontal plate (1 c 4) all are equipped with first slider (1 c4 a) with first slide (1 a 5) sliding fit.

2. The domestic sewage treatment apparatus according to claim 1, wherein: biochemical treatment device (2) includes equalizing basin (2 a) and anaerobism pond (2 b), be equipped with first elevator pump (2 b 4) between equalizing basin (2 a) and anaerobism pond (2 b), equalizing basin (2 a) one end is equipped with second drain pipe (2 a 1) with first elevator pump (2 b 4) inlet end flange joint, the first inlet tube (2 b 5) that is the L type is installed to the play water end of first elevator pump (2 b 4), be equipped with first installation piece (2 b 1) on the one end outer wall of anaerobism pond (2 b), be equipped with first clamp seat (2 b 2) on first installation piece (2 b 1), the one end of first inlet tube (2 b 5) is fixed on first clamp seat (2 b 2), the side of anaerobism pond (2 b) is equipped with second elevator pump (2 b 6), the one end of anaerobism pond (2 b) is equipped with the inlet end flange (3) that is connected with second elevator pump (2 b 6), the water outlet end of the second lift pump (2 b 6) is provided with an L-shaped second water inlet pipe (2 b 7).

3. The domestic sewage treatment apparatus according to claim 2, wherein: sludge treatment equipment (3) are including sludge settling tank (3 a), sludge concentration case (3 b), back flow (3 c) and backwash pump (3 d), sludge settling tank (3 a) are fixed at the top of sludge concentration case (3 b), be equipped with second installation piece (3 a 1) on the one end outer wall of sludge settling tank (3 a), be equipped with second clamp seat (3 a 2) on second installation piece (3 a 1), the one end of second inlet tube (2 b 7) is fixed on second clamp seat (3 a 2), the one end of back flow (3 c) is connected on sludge settling tank (3 a), and the other end is connected on sludge concentration case (3 b), backwash pump (3 d) are installed on back flow (3 c), the one end of sludge concentration case (3 b) is equipped with side cap (3 b 1).

4. The domestic sewage treatment apparatus according to claim 1, wherein: the fishing treatment device (4) comprises a bottom plate (4 a), a stirring box (4 b), a stirring motor (4 c), a shaft coupling seat (4 d), a stirring shaft, a fishing assembly (4 e), a mouth-shaped bearing plate (4 g) and two lifting assemblies (4 h) used for driving the bearing plate (4 g) to lift, wherein the stirring box (4 b) is installed on the bottom plate (4 a), the stirring motor (4 c) is vertically installed on the bottom plate (4 a), the shaft coupling seat (4 d) is installed at the bottom of the stirring box (4 b), the output end of the stirring motor (4 c) is connected onto the shaft coupling seat (4 d), the stirring shaft penetrates through the bottom of the stirring box (4 b) and is connected onto the shaft coupling seat (4 d), a plurality of stirring blades (4 p) which are uniformly distributed along the circumferential direction of the stirring shaft are arranged on the stirring shaft, and the two lifting assemblies (4 h) are respectively installed at two sides of the stirring box (4 b), the bearing plate (4 g) is installed on the two lifting assemblies (4 h), and the fishing assembly (4 e) is installed on the bearing plate (4 g).

5. The domestic sewage treatment apparatus of claim 4, wherein: lifting unit (4 h) is including lift cylinder (4 h 1) and two guide holder (4 h 2), the both ends of agitator tank (4 b) all are equipped with holding tank (4 b 1), install in holding tank (4 b 1) lift cylinder (4 h 1), and two guide holder (4 h 2) symmetry set up the both sides at lift cylinder (4 h 1), the bottom of loading board (4 g) is equipped with two and two guide holder (4 h 2) sliding fit's guide bar (4 g 1), the output of lift cylinder (4 h 1) is connected with the bottom of loading board (4 g).

6. The domestic sewage treatment apparatus of claim 5, wherein: the fishing assembly (4 e) comprises a second servo motor (4 e 1), a second coupling (4 e 2), a second chain (4 e 3), a second horizontal plate (4 e 4), a fishing box (4 e 5) and two second chain wheels (4 e 6), wherein the front end and the rear end of the stirring box (4 b) are respectively provided with a second mounting seat (4 b 2), the two second chain wheels (4 e 6) are respectively mounted on the two second mounting seats (4 b 2), the second chain (4 e 3) is mounted on the two second chain wheels (4 e 6), the second servo motor (4 e 1) is mounted on the side of one second mounting seat (4 b 2), one end of the second coupling (4 e 2) is mounted on the output end of the second servo motor (4 e 1), the other end of the second coupling is connected with one second chain wheel (4 e 6), and the second horizontal plate (4 e 4) is welded on the second chain (3), the both ends of second horizontal plate (4 e 4) bottom all are equipped with couple (4 e4 a), the top of salvaging box (4 e 5) is equipped with two and two couple (4 e4 a) complex links (4 e5 b), it crosses filter hole (4 e5 a) to have seted up a plurality of on box (4 e 5), both ends all are equipped with second slide (4 b 3) about agitator tank (4 b) top, the both ends of second horizontal plate (4 e 4) all are equipped with second slider (4 e4 b) with second slide (4 b 3) sliding fit.

7. The domestic sewage treatment apparatus according to claim 1, wherein: the first disinfection device (5) comprises a first disinfection box (5 a), a hopper (5 b), a discharging motor (5 c), a first gear (5 d), a second gear (5 e), a rotating shaft (5 f) and a discharging disc (5 g), wherein a biological filter bed is arranged inside the first disinfection box (5 a), the hopper (5 b) is arranged at the top of the first disinfection box (5 a), a discharging pipeline (5 b 1) is arranged at the bottom of the hopper (5 b), a feeding pipeline (5 a 1) is arranged at the top of the first disinfection box (5 a) and under the discharging pipeline (5 b 1), a mounting circular seat (5 a 2) is arranged at the side of the feeding pipeline (5 a 1), the rotating shaft (5 f) is vertically and rotatably arranged on the mounting circular seat (5 a 2), the discharging disc (5 g) is arranged at the top of the rotating shaft (5 f), and the upper and lower ends of the discharging disc (5 g) are respectively arranged on the discharging pipeline (5 b 1) and the feeding pipeline (1 a 1), set up a plurality of along blowing dish (5 g) circumference evenly distributed's blowing hole (5 g 1) on blowing dish (5 g), first gear (5 d) are installed on pivot (5 f) and are located blowing dish (5 g) under, the vertical top of installing at first disinfect box (5 a) of blowing motor (5 c), on the output of second gear (5 e) installation blowing motor (5 c), second gear (5 e) mesh with first gear (5 d) mutually.

8. The domestic sewage treatment apparatus according to claim 1, wherein: second degassing unit (6) include second disinfect box (6 a), active carbon filter screen (6 b) and ozone generator (6 c), ozone generator (6 c) are installed at the top of second disinfect box (6 a), and ozone generator's (6 c) output runs through the top of second disinfect box (6 a) and places in the inside of second disinfect box (6 a), active carbon filter screen (6 b) horizontal installation is in the inside of second disinfect box (6 a), be equipped with fourth drain pipe (6 a 1) on the outer wall of second disinfect box (6 a), fourth drain pipe (6 a 1) are located the below of active carbon filter screen (6 b).