Low-carbon environment-friendly domestic wastewater purification system

Abstract

The utility model discloses a low-carbon environment-friendly domestic wastewater purification system, and belongs to the technical field of wastewater purification, the low-carbon environment-friendly domestic wastewater purification system comprises a collection pool, a sewage treatment pool, a hydrolysis acidification pool and a disinfection box, water delivery mechanisms are arranged among the collection pool, the sewage treatment pool, the hydrolysis acidification pool and the disinfection box, and a grid net is mounted at the top of the collection pool; a crushing mechanism is arranged in the sewage treatment tank and comprises a rectangular box, the rectangular box is fixedly mounted at the top end of the sewage treatment tank, and a first motor is fixedly mounted on one side, located on the rectangular box, of the top end of the sewage treatment tank; according to the device, the forward crushing cutter and the reverse crushing cutter are respectively driven to perform bidirectional cutting and crushing on solid residues in wastewater, so that the crushing effect on the solid residues in the wastewater is greatly improved, the treatment pressure of a subsequent mechanism on the wastewater is favorably reduced, the wastewater treatment efficiency is improved, and meanwhile, the treatment cost is reduced. The first driving shaft and the second driving shaft are driven to rotate synchronously through the first motor, and energy waste is reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of wastewater purification, and in particular to a low-carbon and green domestic wastewater purification environment-friendly system. BACKGROUND

[0002] In the patent file with the published announcement number CN208200698U, a low-carbon and green domestic wastewater purification environment-friendly system is provided, which mainly solves the problem of poor effect of traditional sewage treatment in the prior art. The system comprises a collection tank for collecting kitchen water and clean environment water, a sewage treatment device connected with the water outlet of the collection tank through a pipeline, a hydrolysis acidification tank and a solid-liquid separator connected with the sewage treatment device through a pipeline, an oxidation ditch connected with the hydrolysis acidification tank through a pipeline, a disinfection channel arranged at the water outlet of the oxidation ditch and disinfected by ultraviolet rays, a filtering device connected with the water outlet of the disinfection channel, a pulverizer arranged at the lower end of the solid-liquid separator and used for crushing solid residues discharged from the solid outlet, and a power supply device for supplying power to the sewage treatment device and the pulverizer. Through the above scheme, the utility model has the purposes of high efficiency and energy saving, and has high practical value and popularization value.

[0003] In the sewage treatment device of the above wastewater purification system, the solid residue powder is crushed by driving the cutting knife to rotate through the driving motor, but since the driving motor can only drive the cutting knife to rotate in one direction, the crushing effect on the solid residue is not ideal, and there is a possibility that part of the residue cannot be fully crushed, which will affect the subsequent hydrolysis acidification process, and the treatment efficiency of the entire purification system needs to be improved. Therefore, the application provides a low-carbon and green domestic wastewater purification environment-friendly system. Utility model content

[0004] In view of the deficiencies of the prior art, the application provides a low-carbon and green domestic wastewater purification environment-friendly system, which overcomes the deficiencies of the prior art and aims to solve the problem that in the sewage treatment device of the above wastewater purification system, the solid residue powder is crushed by driving the cutting knife to rotate through the driving motor, but since the driving motor can only drive the cutting knife to rotate in one direction, the crushing effect on the solid residue is not ideal, and there is a possibility that part of the residue cannot be fully crushed, which will affect the subsequent hydrolysis acidification process, and the treatment efficiency of the entire purification system needs to be improved.

[0005] To achieve the above object, the application provides the following technical scheme: a low-carbon and green domestic wastewater purification environmental protection system, comprising a collecting pool, a sewage treatment pool, a hydrolysis acidification pool and a disinfection tank, water conveying mechanisms are arranged between the collecting pool, the sewage treatment pool, the hydrolysis acidification pool and the disinfection tank, a grid net is arranged on the top of the collecting pool, a crushing mechanism is arranged in the sewage treatment pool, the crushing mechanism comprises a rectangular box, the rectangular box is fixedly installed at the top end of the sewage treatment pool, a first motor is fixedly installed at one side of the top end of the sewage treatment pool, a driving bevel gear is fixedly installed on the output end of the first motor and penetrates the side wall of the rectangular box, a first driving shaft is rotatably connected to the top of the sewage treatment pool, a first driven bevel gear is fixedly installed on the top end of the first driving shaft and penetrates the sewage treatment pool, a second driving shaft is rotatably connected to the inside of the first driving shaft, the top end of the second driving shaft is rotatably connected to the inner wall of the rectangular box and penetrates the first driving shaft, a second driven bevel gear is fixedly installed on the top of the second driving shaft, and the second driven bevel gear and the first driven bevel gear are meshingly connected with the driving bevel gear, forward crushing knives are fixedly installed on the outer surface of the first driving shaft, and reverse crushing knives are fixedly installed on the bottom end of the second driving shaft.

[0006] By adopting the above technical scheme, domestic wastewater is collected by the collecting pool, the grid net pre-intercepts larger impurities in the wastewater, and the wastewater is sequentially conveyed from the collecting pool to the sewage treatment pool, the hydrolysis acidification pool and the disinfection tank by the three groups of water conveying mechanisms, the wastewater is driven to rotate by the first motor driving the driving bevel gear, the first driven bevel gear and the second driven bevel gear are synchronously driven to rotate, the first driven bevel gear drives the first driving shaft to rotate, and the second driven bevel gear drives the second driving shaft to rotate, so as to respectively drive the forward crushing knives and the reverse crushing knives to bidirectionally cut and crush the solid residues in the wastewater, greatly improving the crushing effect of the solid residues in the wastewater, reducing the treatment pressure of the subsequent mechanism on the wastewater, improving the wastewater treatment efficiency, and reducing the energy waste by synchronously driving the first driving shaft and the second driving shaft by the first motor.

[0007] As a preferred technical scheme of the application, a filter plate is fixedly installed below the reverse crushing knives in the sewage treatment pool, and a discharge mechanism is arranged on the top of the filter plate.

[0008] By adopting the above technical scheme, the crushed solid residues are selected by the filter plate, the residues with qualified particle size naturally fall, and the unqualified residues are continuously crushed until qualified, so as to further reduce the treatment pressure of the subsequent mechanism on the wastewater.

[0009] As a preferred technical solution of the present application, the water conveying mechanism comprises water pumps, three groups of the water pumps are respectively installed at the bottom of the corresponding collecting pool, sewage treatment pool or hydrolysis acidification pool, the water outlet end of the water pump is fixedly installed with an output pipe, and the end of the three groups of output pipes away from the water pump is respectively installed at the top of the corresponding collecting pool, sewage treatment pool or hydrolysis acidification pool.

[0010] By adopting the above technical solution, the wastewater in the collecting pool, sewage treatment pool and hydrolysis acidification pool is extracted by the three groups of water pumps, and the wastewater is sequentially conveyed from the collecting pool to the sewage treatment pool, hydrolysis acidification pool and disinfection tank through the three groups of output pipes, so that the conveying of the wastewater in the collecting pool, sewage treatment pool, hydrolysis acidification pool and disinfection tank is facilitated.

[0011] As a preferred technical solution of the present application, the top of the sewage treatment pool and the hydrolysis acidification pool is fixedly installed with a solar energy collecting plate, and the inside of the solar energy collecting plate is provided with a storage battery.

[0012] By adopting the above technical solution, the solar energy collecting plate collects solar energy on sunny days, and the storage battery stores electrical energy, thereby assisting the power supply end of the device and achieving the effect of energy saving.

[0013] As a preferred technical solution of the present application, the top of the hydrolysis acidification pool is fixedly installed with a medicine adding pipe, the inside of the hydrolysis acidification pool is provided with a stirring mechanism, the stirring mechanism comprises a second motor, the second motor is fixedly installed at the top of the hydrolysis acidification pool, the output end of the second motor is fixedly installed with a stirring roller through the top of the hydrolysis acidification pool, and three groups of stirring blades are fixedly installed on the outer surface of the stirring roller in up and down distribution.

[0014] By adopting the above technical solution, the medicine adding pipe adds medicament to the hydrolysis acidification pool, and the second motor is started to drive the stirring roller to rotate, so that the stirring blades fully stir the wastewater and the medicament, which is conducive to promoting the hydrolysis acidification process.

[0015] As a preferred technical solution of the present application, the inside of the disinfection tank is provided with a disinfection mechanism, the disinfection mechanism comprises a composite disinfection filter layer, the composite disinfection filter layer is installed on the inner wall of the disinfection tank, a fiber ball filter layer is installed below the composite disinfection filter layer on the inner wall of the disinfection tank, and an activated carbon filter layer is installed below the fiber ball filter layer on the inner wall of the disinfection tank.

[0016] By adopting the technical scheme, the wastewater is sequentially disinfected and deeply filtered through the composite disinfection filter layer, the fiber ball filter layer and the activated carbon filter layer, the composite disinfection filter layer is a combination of plasma disinfection filter layer, silver ion antibacterial material and antibacterial material, and has strong disinfection capacity, so that the wastewater is disinfected and filtered to reach the standard state, and can be discharged into water body or farmland subsequently.

[0017] As a preferred technical scheme of the present application, the bottom of the disinfection box is fixedly installed with a drain pipe, the inside of the drain pipe is fixedly installed with an electric control valve, the inner wall of the disinfection box is fixedly installed with a water quality detector below the activated carbon filter layer, the side wall of the disinfection box is fixedly installed with a controller, the water quality detector is signal connected with the controller, and the controller is electrically connected with the control end of the electric control valve.

[0018] By adopting the technical scheme, the water quality after being disinfected and filtered by the disinfection mechanism in the disinfection box is detected by the water quality detector, and when the monitoring data of the water quality detector reaches the standard, the controller controls the opening of the drain pipe to discharge the filtered water in the disinfection box, which is beneficial to the monitoring of the wastewater treatment result.

[0019] As a preferred technical scheme of the present application, the discharge mechanism includes a pumping pump, the pumping pump is fixedly installed at the top end of the filter plate, the discharge end of the pumping pump is fixedly installed with a discharge pipe, and one end of the discharge pipe penetrates through the side wall of the sewage treatment tank and is connected with an external collection mechanism.

[0020] By adopting the technical scheme, the solid residues remaining above the filter plate are pumped by the pumping pump and discharged to the outside of the filter plate through the discharge pipe, which is convenient for subsequent treatment and improves the practicability during use.

[0021] The present application has the following beneficial effects:

[0022] 1. The domestic water is collected by the collection tank, the larger impurities in the wastewater are pre-intercepted by the grid, and the wastewater is sequentially transferred from the collection tank to the sewage treatment tank, the hydrolysis acidification tank and the disinfection box through three groups of water conveying mechanisms, wherein when the wastewater passes through the sewage treatment tank, the first motor drives the driving bevel gear to drive the first driven bevel gear and the second driven bevel gear to rotate synchronously, the first driven bevel gear drives the first driving shaft to rotate, and the second driven bevel gear drives the second driving shaft to rotate, so as to drive the forward breaking knife and the reverse breaking knife to cut and crush the solid residues in the wastewater in two directions, greatly improving the crushing effect of the solid residues in the wastewater, reducing the treatment pressure of the subsequent mechanism on the wastewater, improving the efficiency of the wastewater treatment, and reducing the waste of energy by driving the first driving shaft and the second driving shaft synchronously by the first motor.

[0023] 2. The crushed solid residues are separated by the filter plate, the qualified residues with particle size fall naturally, and the unqualified residues are left above the filter plate for continuous crushing treatment until qualified, which further reduces the treatment pressure of the subsequent mechanism on the wastewater. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0025] Figure 2 It is a schematic diagram of the internal structure of the present application;

[0026] Figure 3 It is a schematic diagram of the crushing mechanism structure of the present application;

[0027] Figure 4 It is Figure 2 It is a schematic diagram of the enlarged structure at A in the figure.

[0028] In the figure: 1, collection tank; 2, wastewater treatment tank; 3, hydrolysis acidification tank; 4, disinfection tank; 5, grid net; 6, water conveying mechanism; 601, water suction pump; 602, output pipe; 7, crushing mechanism; 701, rectangular box; 702, first motor; 703, driving bevel gear; 704, first driving shaft; 705, first driven bevel gear; 706, forward crushing knife; 707, second driving shaft; 708, second driven bevel gear; 709, reverse crushing knife; 8, filter plate; 10, discharge mechanism; 1001, material suction pump; 1002, discharge pipe; 11, under-dosing pipe; 12, stirring mechanism; 1201, second motor; 1202, stirring roller; 1203, stirring blade; 13, solar collection plate; 14, disinfection mechanism; 1401, composite disinfection filter layer; 1402, fiber ball filter layer; 1403, activated carbon filter layer; 15, drain pipe; 16, water quality monitor; 17, controller. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] Reference Figures 1-4The utility model provides a kind of low-carbon green life wastewater purification environmental protection system, including collection pool 1, sewage treatment pool 2, hydrolysis acidification pool 3, disinfection tank 4, collection pool 1, sewage treatment pool 2, hydrolysis acidification pool 3, disinfection tank 4 between are provided with water delivery mechanism 6, the top of collection pool 1 is installed with grid network 5, the inside of sewage treatment pool 2 is provided with crushing mechanism 7, crushing mechanism 7 includes rectangular box 701, rectangular box 701 is fixedly installed in the top of sewage treatment pool 2, first motor 702 is fixedly installed in the top of sewage treatment pool 2 on the side of rectangular box 701, the output end of first motor 702 is fixedly installed with driving bevel gear 703 with the side wall of rectangular box 701, the top of sewage treatment pool 2 is rotatably connected with first driving shaft 704, the top of first driving shaft 704 is fixedly installed with first driven bevel gear 705 with sewage treatment pool 2, the inside of first driving shaft 704 is rotatably connected with second driving shaft 707, the top of second driving shaft 707 is rotatably connected to the inner wall of rectangular box 701 with sewage treatment pool 2, the top of second driving shaft 707 is fixedly installed with second driven bevel gear 708, and second driven bevel gear 708 and first driven bevel gear 705 are all meshedly connected with driving bevel gear 703, the outer surface of first driving shaft 704 is fixedly installed with positive direction crushing knife 706, the bottom of second driving shaft 707 is fixedly installed with reverse crushing knife 709;Water delivery mechanism 6 includes water pump 601, three groups of water pump 601 are respectively installed in the bottom of corresponding collection pool 1 or sewage treatment pool 2 or hydrolysis acidification pool 3, the water outlet of water pump 601 is fixedly installed with output pipe 602, the end away from water pump 601 of three groups of output pipe 602 is respectively installed in the top of corresponding collection pool 1 or sewage treatment pool 2 or hydrolysis acidification pool 3.

[0031] The domestic water is collected through the collecting tank 1, the grid net 5 pre-intercepts the larger impurities in the wastewater, and the wastewater is sequentially transferred from the collecting tank 1 to the sewage treatment tank 2, the hydrolysis acidification tank 3 and the disinfection box 4 through the three groups of water conveying mechanisms 6. When the wastewater passes through the sewage treatment tank 2, the first motor 702 drives the driving bevel gear 703 to synchronously rotate the first driven bevel gear 705 and the second driven bevel gear 708, and the first driven bevel gear 705 drives the first driving shaft 704 to rotate, and the second driven bevel gear 708 drives the second driving shaft 707 to rotate, so as to drive the forward breaking blade 706 and the reverse breaking blade 709 to cut and crush the solid residues in the wastewater in two directions, greatly improve the crushing effect of the solid residues in the wastewater, reduce the treatment pressure of the subsequent mechanism on the wastewater, improve the efficiency of the wastewater treatment, and reduce the waste of energy by synchronously rotating the first driving shaft 704 and the second driving shaft 707 through the first motor 702. The wastewater in the collecting tank 1, the sewage treatment tank 2 and the hydrolysis acidification tank 3 is extracted through the three groups of water pumps 601, and the wastewater is sequentially transferred from the collecting tank 1 to the sewage treatment tank 2, the hydrolysis acidification tank 3 and the disinfection box 4 through the three groups of output pipes 602, so as to facilitate the transportation of the wastewater in the collecting tank 1, the sewage treatment tank 2, the hydrolysis acidification tank 3 and the disinfection box 4.

[0032] With reference to Figures 1-3 The filter plate 8 is fixedly installed below the reverse breaking blade 709 in the sewage treatment tank 2, and the discharge mechanism 10 is arranged on the top of the filter plate 8. The solar energy collecting plate 13 is fixedly installed at the top of the sewage treatment tank 2 and the hydrolysis acidification tank 3, and the battery is arranged in the solar energy collecting plate 13.

[0033] The crushed solid residues are separated through the filter plate 8, the qualified residues fall naturally, and the unqualified residues are continuously crushed on the top of the filter plate 8 until they are qualified, so as to further reduce the treatment pressure of the subsequent mechanism on the wastewater. The solar energy collecting plate 13 collects the solar energy on sunny days and stores the electric energy through the battery, so as to assist the power supply end of the device and save energy.

[0034] With reference to Figures 1-3The top of the hydrolysis acidification tank 3 is fixedly provided with a medicine feeding pipe 11, and the inside of the hydrolysis acidification tank 3 is provided with a stirring mechanism 12, which comprises a second motor 1201 fixedly installed at the top end of the hydrolysis acidification tank 3, and a stirring roller 1202 fixedly installed at the top of the hydrolysis acidification tank 3 and connected with the output end of the second motor 1201, and three groups of stirring blades 1203 fixedly installed on the outer surface of the stirring roller 1202; the bottom of the disinfection box 4 is fixedly provided with a drain pipe 15, and the inside of the drain pipe 15 is fixedly provided with an electric control valve; a water quality detector 16 is fixedly installed on the inner wall of the disinfection box 4 below the active carbon filter layer 1403; a controller 17 is fixedly installed on the side wall of the disinfection box 4 and signal-connected with the water quality detector 16, and the controller 17 is electrically connected with the control end of the electric control valve; the medicine feeding pipe 11 is used for adding medicine into the hydrolysis acidification tank 3, and the second motor 1201 is started to drive the stirring roller 1202 to rotate, so that the stirring blades 1203 can fully stir the wastewater and the medicine, which is beneficial to promoting the hydrolysis acidification process; the water quality detector 16 is used for detecting the water quality of the wastewater filtered by the disinfection mechanism 14 in the disinfection box 4, and when the monitoring data of the water quality detector 16 detected by the controller 17 reaches the standard, the controller 17 is used for controlling the drain pipe 15 to discharge the filtered water in the disinfection box 4, which is beneficial to monitoring the wastewater treatment result.

[0035] With reference to Figures 2-4 The inside of the disinfection box 4 is provided with a disinfection mechanism 14, which comprises a composite disinfection filter layer 1401 installed on the inner wall of the disinfection box 4, a fiber ball filter layer 1402 installed on the inner wall of the disinfection box 4 below the composite disinfection filter layer 1401, and an active carbon filter layer 1403 installed on the inner wall of the disinfection box 4 below the fiber ball filter layer 1402; the discharge mechanism 10 comprises a pumping pump 1001 fixedly installed at the top end of the filter plate 8, and a discharge pipe 1002 fixedly installed at the discharge end of the pumping pump 1001 and connected with an external collection mechanism through the side wall of the sewage treatment tank 2; the wastewater is sequentially disinfected and deeply filtered through the composite disinfection filter layer 1401, the fiber ball filter layer 1402 and the active carbon filter layer 1403, wherein the composite disinfection filter layer 1401 is a combination of a plasma disinfection filter layer, silver ion antibacterial material and antibacterial material, and has strong disinfection capacity, so that the wastewater is disinfected and filtered to reach the standard state and can be discharged into water bodies or farmland in the future; the solid residues remaining above the filter plate 8 are extracted by the pumping pump 1001 and discharged to the outside of the filter plate 8 through the discharge pipe 1002, which is convenient for subsequent treatment and improves the practicability in use.

[0036] Working principle: through the collection pool 1 for domestic water collection, wherein the grid network 5 for larger impurities in wastewater pre-interception, through three groups of water conveying mechanism 6 will wastewater from collection pool 1 in turn to sewage treatment tank 2, hydrolysis acidification tank 3, disinfection tank 4, wherein, wastewater through sewage treatment tank 2, by the first motor 702 drive driving bevel gear 703, drive first driven bevel gear 705 and second driven bevel gear 708 synchronous rotation, while the first driven bevel gear 705 drive first driving shaft 704 rotation, second driving shaft 707 rotation driven by second driven bevel gear 708, thereby respectively drive forward broken blade 706 and reverse broken blade 709 bidirectional cutting of solid residue in wastewater, greatly improve the pulverization effect of solid residue in wastewater, is conducive to reducing the processing pressure of subsequent mechanism to wastewater, improve the efficiency of wastewater treatment, at the same time, through a group of first motor 702 drive first driving shaft 704 and second driving shaft 707 synchronous rotation, reduce the waste of energy, through the filter plate 8 to the solid residue after crushing, particle size qualified residue natural falling, unqualified residue remains in the upper part of filter plate 8 for continuous crushing treatment, until qualified, further reduce the processing pressure of subsequent mechanism to wastewater;

[0037] Among them, through three groups of water pump 601 to the wastewater in collection pool 1, sewage treatment tank 2, hydrolysis acidification tank 3, through three groups of output pipe 602 will wastewater from collection pool 1 in turn to sewage treatment tank 2, hydrolysis acidification tank 3, disinfection tank 4, convenient for wastewater in collection pool 1, sewage treatment tank 2, hydrolysis acidification tank 3, disinfection tank 4 in the delivery, through the solar energy collection plate 13 in sunny day to the solar energy collection, and through the storage battery to store electric energy, to the power supply end of the device for auxiliary, play the role of energy saving;

[0038] At the same time, through the medicine pipe 11 to add reagent to the hydrolysis acidification tank 3, and start the second motor 1201 drive stirring roller 1202 rotation, make stirring blade 1203 will wastewater and reagent fully stirred, is conducive to promoting hydrolysis acidification process; through the composite disinfection filter layer 1401, fiber ball filter layer 1402 and activated carbon filter layer 1403, in turn to wastewater disinfection and depth filtration, wherein the composite disinfection filter layer 1401 is a combination of plasma disinfection filter layer and silver ion antibacterial material and antibacterial material and other technologies, has strong disinfection capacity, so as to disinfect the wastewater to the standard state, can be discharged into the water or farmland later;

[0039] In addition, the water quality detector 16 detects the water quality of the water filtered by the disinfection mechanism 14 in the disinfection tank 4, and the controller 17 detects the detection data of the water quality detector 16 to control the opening of the drain pipe 15 to discharge the filtered water in the disinfection tank 4, which is beneficial to the monitoring of the wastewater treatment result; the solid residues remaining above the filter plate 8 are extracted by the material extraction pump 1001 and discharged to the outside of the filter plate 8 through the discharge pipe 1002, which is convenient for subsequent treatment and improves the practicability during use.

[0040] The above only describes the preferred embodiments of the present application and is not used to limit the present application. Although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions described in the foregoing embodiments or replace some technical features equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A low-carbon green domestic wastewater purification environmental protection system, comprising a collection tank (1), a sewage treatment tank (2), a hydrolysis acidification tank (3), and a disinfection tank (4), characterized in that, The collecting pool (1), sewage treatment pool (2), hydrolysis acidification tank (3), disinfection tank (4) are provided with water conveying mechanism (6), the top of collecting pool (1) is provided with grid (5), the inside of sewage treatment pool (2) is provided with crushing mechanism (7); The crushing mechanism (7) includes a rectangular box (701), the rectangular box (701) is fixedly installed on the top end of the sewage treatment pool (2), the top end of the sewage treatment pool (2) is fixedly installed with a first motor (702) on one side of the rectangular box (701), the output end of the first motor (702) is fixedly installed with a driving bevel gear (703) through the side wall of the rectangular box (701), the top of the first driving shaft (704) is rotatably connected with the top of the sewage treatment pool (2), the top end of the first driving shaft (704) is fixedly installed with a first driven bevel gear (705) through the sewage treatment pool (2), the inside of the first driving shaft (704) is rotatably connected with a second driving shaft (707), the top end of the second driving shaft (707) is rotatably connected with the inner wall of the rectangular box (701) through the first driving shaft (704), the top of the second driving shaft (707) is fixedly installed with a second driven bevel gear (708), and the second driven bevel gear (708) and the first driven bevel gear (705) are rotatably connected with the driving bevel gear (703), the outer surface of the first driving shaft (704) is fixedly installed with a forward crushing knife (706), and the bottom end of the second driving shaft (707) is fixedly installed with a reverse crushing knife (709).

2. The low-carbon green domestic wastewater purification environmental protection system according to claim 1, characterized in that, The inside of the sewage treatment pool (2) is fixedly installed with a filter plate (8) below the reverse crushing knife (709), and the top of the filter plate (8) is provided with a discharge mechanism (10).

3. The low-carbon green life wastewater purification environmental protection system according to claim 1, characterized in that, The water conveying mechanism (6) includes a water pump (601), three groups of the water pump (601) are respectively installed at the bottom of the corresponding collecting pool (1) or sewage treatment pool (2) or hydrolysis acidification tank (3), and the water outlet end of the water pump (601) is fixedly installed with an output pipe (602). Three groups of the output pipe (602) are respectively installed at the top of the corresponding collecting pool (1) or sewage treatment pool (2) or hydrolysis acidification tank (3) away from the water pump (601).

4. The low-carbon green domestic wastewater purification environmental protection system according to claim 1, characterized in that, The top of the sewage treatment pool (2) and the hydrolysis acidification tank (3) is fixedly installed with a solar energy collecting plate (13), and the inside of the solar energy collecting plate (13) is provided with a storage battery.

5. The low-carbon green life wastewater purification environmental protection system according to claim 1, characterized in that, The top of the hydrolysis acidification tank (3) is fixedly installed with a medicine pipe (11), the inside of the hydrolysis acidification tank (3) is provided with a stirring mechanism (12), the stirring mechanism (12) comprises a second motor (1201), the second motor (1201) is fixedly installed at the top end of the hydrolysis acidification tank (3), the output end of the second motor (1201) is provided with a stirring roller (1202) fixedly installed on the top of the hydrolysis acidification tank (3), and three groups of stirring blades (1203) are fixedly installed on the outer surface of the stirring roller (1202) in an up-down distribution.

6. The low-carbon green life wastewater purification environmental protection system according to claim 1, characterized in that, The inside of the disinfection box (4) is provided with a disinfection mechanism (14), the disinfection mechanism (14) comprises a composite disinfection filter layer (1401), the composite disinfection filter layer (1401) is installed on the inner wall of the disinfection box (4), a fiber ball filter layer (1402) is installed below the composite disinfection filter layer (1401) on the inner wall of the disinfection box (4), and an activated carbon filter layer (1403) is installed below the fiber ball filter layer (1402) on the inner wall of the disinfection box (4).

7. The low-carbon green life wastewater purification environmental protection system according to claim 6, characterized in that, The bottom of the disinfection box (4) is fixedly installed with a drain pipe (15), the inside of the drain pipe (15) is fixedly installed with an electric control valve, a water quality detector (16) is fixedly installed below the activated carbon filter layer (1403) on the inner wall of the disinfection box (4), a controller (17) is fixedly installed on the side wall of the disinfection box (4), the water quality detector (16) is in signal connection with the controller (17), and the controller (17) is in electric connection with the control end of the electric control valve.

8. The low-carbon green domestic wastewater purification environmental protection system according to claim 2, characterized in that, The discharge mechanism (10) comprises a pumping pump (1001), the pumping pump (1001) is fixedly installed at the top end of the filter plate (8), the discharge end of the pumping pump (1001) is fixedly installed with a discharge pipe (1002), and one end of the discharge pipe (1002) penetrates through the side wall of the sewage treatment tank (2) and is connected with an external collection mechanism.

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