Domestic sewage treatment device and treatment method

Abstract

The application discloses a kind of domestic sewage treatment device and processing method, it is related to sewage treatment technical field, including processing box, the filter chamber and biological reaction chamber are separated by partition in the processing box, the filter chamber is connected with water inlet pipe, the top of the biological reaction chamber is connected with water outlet pipe, and the communication pipe is connected between the bottom of filter chamber and the bottom of biological reaction chamber;Cleaning mechanism, the cleaning mechanism includes filter screen, linkage assembly, cleaning shaft, cleaning blade and collection pocket, the filter screen is installed in filter chamber, the biological membrane on the flow guide plate is replaced by being arranged linkage assembly, when sealing warehouse door is rotated and opened, it is convenient;Sealing warehouse door is rotated and finally driven cleaning blade rotation, and the fixed impurities on filter screen are swept and collected into collection pocket by cleaning blade rotation, cleaning of filter screen is completed when biological membrane is replaced, reduce the cleaning burden of staff, improve sewage treatment efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to sewage treatment technical field, especially to a kind of domestic sewage treatment device and processing method. BACKGROUND

[0002] With the continuous advancement of social and economic development, the pollutants generated in people's life are also increasing, and in the treatment of domestic sewage, the treatment rate of rural domestic sewage is lower, which is due to the high dispersion of villages, lack of centralized sewage treatment facilities, and also lack of drainage facilities planning in rural areas, and the sewage treatment equipment cannot keep up with the economic development, resulting in sewage overflow, and a small part of domestic sewage is directly discharged after some simple filtration, causing a large amount of untreated sewage directly discharged into rivers and lakes, aggravating water eutrophication and affecting the living environment quality of farmers.

[0003] The sewage treatment device in the prior art is large in size, needs regular manual cleaning of the filter equipment, cannot be operated stably for a long time, is easy to cause the treatment effect of domestic sewage to be reduced, and cannot complete cleaning of the filter equipment while replacing the microbial reactant, is inconvenient to overhaul, has high maintenance cost, and increases the workload of operators and maintenance. SUMMARY

[0004] The present application provides a kind of domestic sewage treatment device and processing method, to solve the problem of sewage treatment in traditional technology needs regular manual cleaning of filter equipment, cannot be operated stably for a long time, is easy to cause the treatment effect of domestic sewage to be reduced.

[0005] To achieve the above purpose, the present application adopts the following technical scheme:

[0006] A kind of domestic sewage treatment device, comprising:

[0007] processing box, the filter chamber and the biological reaction chamber are separated by the partition in the processing box, the filter chamber is communicated with the water inlet pipe, the top of the biological reaction chamber is communicated with the water outlet pipe, and the communication pipe is communicated between the bottom of the filter chamber and the bottom of the biological reaction chamber;

[0008] cleaning mechanism, the filter screen is installed in the filter chamber, the linkage assembly is connected outside the top of the filter chamber, the linkage assembly output end is connected with the cleaning shaft, the cleaning shaft bottom end is sealed through the top of the filter chamber, and the cleaning blade is coaxially fixedly connected, the cleaning blade bottom is abutted on the upper surface of the filter screen, and the collecting pocket is communicated in the edge of the filter screen;

[0009] The utility model relates to a biological reaction mechanism, the biological reaction mechanism includes rotation axis, sealing warehouse door, deflector and biological membrane, one side of biological reaction chamber is provided with window, rotation axis rotation connection is established in window, sealing warehouse door is fixedly connected on rotation axis, sealing warehouse door is used for sealing window, rotation axis top end sealing penetrates biological reaction chamber and is connected with linkage assembly input end, the one side of sealing warehouse door near biological reaction chamber inside is fixedly connected with a plurality of deflectors, a plurality of deflector surfaces all are provided with biological membrane, and the biological membrane is attached with microorganism.

[0010] Preferably, the water inlet pipe is communicated with a sewage pump away from one end of the treatment box, the input end of the sewage pump is arranged in the sewage pool, the sewage pump works, the output end of the sewage pump pumps sewage into the filter chamber in the treatment box through the water inlet pipe, and subsequent sewage treatment is facilitated.

[0011] Preferably, the linkage assembly comprises a large gear, a small gear and a transmission belt, the large gear is coaxially fixedly connected to the top end of the rotating shaft, the small gear is coaxially fixedly connected to the top end of the cleaning shaft, and the large gear and the small gear are sleeved with the same transmission belt, wherein the diameter of the large gear is greater than that of the small gear, so that the cleaning shaft drives the cleaning blades to rotate to complete the complete cleaning of the surface of the filter screen when the sealing warehouse door is opened.

[0012] Preferably, a cleaning door is installed on the filter chamber, the cleaning door is arranged near the collection pocket, and opening the cleaning door can directly clean the fixed impurities in the collection pocket, facilitating the continuous work of the collection pocket.

[0013] Preferably, the biological reaction chamber has a quarter circular cross section, the rotating shaft is arranged at the axis of the biological reaction chamber, the deflectors are all fan-shaped, and the deflectors are arranged in a staggered manner on both sides of the sealing warehouse door and divide the biological reaction chamber into a circulating water channel, the communication pipe is communicated with the bottom end of the circulating water channel, and the water outlet pipe is communicated with the top end of the circulating water channel, so that the contact effect of the sewage and the microorganisms on the biological membrane is improved through the circulating water channel, and the treatment effect of the microorganisms on the organic matter in the sewage is improved.

[0014] Preferably, an aeration head is arranged in the bottom end of the circulating water channel, the input end of the aeration head is communicated with an oxygenation pump, the oxygenation pump is arranged outside the bottom of the treatment box, the oxygenation pump works, and the output end of the oxygenation pump aerates the biological reaction chamber through the aeration head, so that the oxygen content in the sewage is increased, and the treatment effect of the microorganisms on the organic matter in the sewage is further improved.

[0015] A method for treating domestic sewage, comprising the following steps:

[0016] S1: preliminary filtration, sewage is introduced into the filter chamber in the treatment box through the water inlet pipe, and part of the solid impurities is removed under the filtering effect of the filter screen;

[0017] S2: biological reaction treatment, the sewage after the preliminary filtration is connected into the biological reaction chamber through the communication pipe, the sewage advances in a serpentine manner along the circulating water channel separated by the plurality of guide plates, so that the sewage is in full contact with the microorganisms of the biological membrane, and the organic matters in the sewage are degraded by the microorganisms;

[0018] S3: cleaning and maintenance, after the sewage is discharged, the sealing door is opened by rotating, so that the guide plate on the sealing door is replaced, so that the biological membrane is replaced; meanwhile, the cleaning shaft is driven to rotate by the linkage assembly driven by the rotating shaft, so that the cleaning blade is driven to rotate, the surface of the filter screen is cleaned, and the fixed impurities are collected into the collecting pocket, and finally the fixed impurities in the collecting pocket are cleaned by opening the cleaning door.

[0019] Compared with the prior art, the present application has the following advantages:

[0020] 1. The present application forms a circulating water channel in the biological reaction chamber by arranging a plurality of guide plates, so that the sewage is in full contact with the microorganisms of the biological membrane, and the degradation efficiency of the microorganisms attached to the biological membrane on the guide plate on the organic matters in the sewage is improved.

[0021] 2. The present application is provided with a linkage assembly, which facilitates replacement of the biological membrane on the guide plate when the sealing door is opened by rotating; meanwhile, the rotating shaft is driven to rotate by the rotating of the sealing door, the cleaning shaft is driven to rotate by the rotating of the rotating shaft through the linkage assembly, the cleaning blade is driven to rotate by the rotating of the cleaning shaft, the fixed impurities on the filter screen are swept and collected into the collecting pocket by the rotating of the cleaning blade, so that the fixed impurities in the collecting pocket are cleaned by the cleaning door to complete the cleaning of the filter screen, the cleaning of the filter screen is completed when the biological membrane is replaced, the cleaning burden of the staff is reduced, and the sewage treatment efficiency is improved. DETAILED DESCRIPTION

[0022] Figure 1 It is a top view structure schematic diagram of the present application;

[0023] Figure 2 It is Figure 1 A-A part section schematic diagram in the present application;

[0024] Figure 3 It is a linkage assembly schematic diagram of the present application.

[0025] In the figure: 1 treatment box, 2 sewage pump, 3 water inlet pipe, 4 water outlet pipe, 5 filter chamber, 6 cleaning mechanism, 7 filter screen, 8 linkage assembly, 9 cleaning shaft, 10 cleaning blade, 11 collecting pocket, 12 cleaning door, 13 communication pipe, 14 biological reaction chamber, 15 biological reaction mechanism, 16 rotating shaft, 17 sealing door, 18 guide plate, 19 biological membrane, 20 circulating water channel, 21 oxygenation pump, 22 aeration head. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application.

[0027] With reference to Figures 1-3 A domestic sewage treatment device comprises:

[0028] A treatment box 1 is internally divided into a filtering chamber 5 and a biological reaction chamber 14 by a partition plate. The filtering chamber 5 is communicated with a water inlet pipe 3. The biological reaction chamber 14 is communicated with a water outlet pipe 4 at the top. The bottom of the filtering chamber 5 is communicated with the bottom of the biological reaction chamber 14 through a communication pipe 13.

[0029] The water inlet pipe 3 is communicated with a sewage pump 2 at the end away from the treatment box 1. The input end of the sewage pump 2 is arranged in a sewage pool. When the sewage pump 2 works, the sewage pump 2 outputs sewage into the filtering chamber 5 in the treatment box 1 for subsequent sewage treatment.

[0030] A cleaning mechanism 6 comprises a filter screen 7, a linkage assembly 8, a cleaning shaft 9, a cleaning blade 10 and a collection pocket 11. The filter screen 7 is installed in the filtering chamber 5. The linkage assembly 8 is connected outside the top of the filtering chamber 5. The output end of the linkage assembly 8 is connected with the cleaning shaft 9. The bottom end of the cleaning shaft 9 is sealingly penetrated through the top of the filtering chamber 5 and coaxially fixedly connected with the cleaning blade 10. The bottom of the cleaning blade 10 abuts against the upper surface of the filter screen 7. The collection pocket 11 is communicated at the edge of the filter screen 7. When the cleaning shaft 9 rotates, the cleaning blade 10 is driven to rotate. The cleaning blade 10 rotates to sweep and collect the fixed impurities on the filter screen 7 into the collection pocket 11, so as to facilitate the permeability of the filter screen 7 and facilitate the continuous work of the filter screen 7.

[0031] A biological reaction mechanism 15 comprises a rotating shaft 16, a sealing door 17, a flow guide plate 18 and a biological membrane 19. A window is arranged on one side of the biological reaction chamber 14. The rotating shaft 16 is rotatably connected to the window. The sealing door 17 is fixedly connected to the rotating shaft 16. The sealing door 17 is used for sealing the window. The top end of the rotating shaft 16 is sealingly penetrated through the biological reaction chamber 14 and connected with the input end of the linkage assembly 8. A plurality of flow guide plates 18 are fixedly connected to the sealing door 17 close to the inner side of the biological reaction chamber 14. The biological membrane 19 is arranged on the surface of each flow guide plate 18. Microorganisms are attached to the biological membrane 19. The sealing door 17 is opened to provide power, so as to automatically drive the cleaning shaft 9 to rotate through the linkage assembly 8, thereby facilitating the automatic cleaning of the filter screen 7.

[0032] Especially, the bottom of the processing box 1 is communicated with a circulating pipe, a valve is installed on the circulating pipe, the end of the circulating pipe away from the processing box 1 is communicated with a sewage pool, and the processing box 1 is provided with a sewage treatment chamber for completing a stage of sewage treatment. By opening the valve on the circulating pipe, the residual sewage in the processing box 1 can be discharged through the circulating pipe, so that the components in the processing box 1 can be conveniently maintained and replaced.

[0033] The linkage assembly 8 comprises a large gear, a small gear and a transmission belt. The large gear is coaxially fixedly connected to the top end of the rotating shaft 16, and the small gear is coaxially fixedly connected to the top end of the cleaning shaft 9. The large gear and the small gear are sleeved with the same transmission belt, wherein the diameter of the large gear is larger than that of the small gear, so that the small gear is driven to rotate when the large gear rotates for one quarter of a circle, and the cleaning shaft 9 drives the cleaning blades 10 to rotate to completely clean the surface of the filter screen 7.

[0034] The filter chamber 5 is provided with a cleaning door 12 arranged near the collection pocket 11. By opening the cleaning door 12, the fixed impurities in the collection pocket 11 can be directly cleaned, and the continuous work of the collection pocket 11 is facilitated.

[0035] The biological reaction chamber 14 has a cross section in the shape of one quarter of a circle, and the rotating shaft 16 is arranged at the shaft center of the biological reaction chamber 14. The plurality of guide plates 18 are fan-shaped and are arranged in a staggered manner on both sides of the sealing bin door 17, and divide the biological reaction chamber 14 into a circulating water channel 20. The connecting pipe 13 is connected to the bottom end of the circulating water channel 20, and the water outlet pipe 4 is connected to the top end of the circulating water channel 20. The contact effect of the sewage and the microorganisms on the biological membrane 19 is improved through the circulating water channel 20, and the treatment effect of the microorganisms on the organic matter in the sewage is improved.

[0036] An aeration head 22 is arranged in the bottom end of the circulating water channel 20. The input end of the aeration head 22 is communicated with an oxygenation pump 21 arranged outside the bottom of the processing box 1. When the oxygenation pump 21 works, the output end of the oxygenation pump 21 aerates the biological reaction chamber 14 through the aeration head 22, increases the oxygen content in the sewage, and further improves the treatment effect of the microorganisms on the organic matter in the sewage.

[0037] When domestic sewage is treated, first, the sewage pump 2 is started. When the sewage pump 2 works, the output end of the sewage pump 2 pumps the sewage into the filter chamber 5 in the processing box 1 through the water inlet pipe 3. The sewage is preliminarily filtered through the filter screen 7, and then the preliminarily filtered sewage enters the biological reaction chamber 14 through the connecting pipe 13.

[0038] The oxygen-increasing pump 21 is started, the oxygen-increasing pump 21 works, the oxygen-increasing pump 21 outputs end is exposed to air to the biological reaction chamber 14 through the aerator 22, the oxygen content in the sewage is increased, and the sewage is in the circulating water channel 20 separated by the plurality of guide plates 18 and advances in a meandering manner, so that the sewage is fully contacted with the microorganism of the biological membrane 19, the organic matter in the sewage is degraded by the microorganism attached to the biological membrane 19 on the guide plate 18, and the treated sewage is discharged through the water outlet pipe 4;

[0039] When the filter screen 7 is cleaned and the biological membrane 19 is replaced, the residual sewage in the treatment box 1 is discharged through the circulating pipe, the sealing door 17 is rotated and opened, the biological membrane 19 on the guide plate 18 is conveniently replaced, the rotating shaft 16 is driven to rotate by the rotation of the sealing door 17, the cleaning shaft 9 is driven to rotate by the rotation of the rotating shaft 16 through the linkage assembly 8, the cleaning blade 10 is driven to rotate by the rotation of the cleaning shaft 9, and the fixed impurities on the filter screen 7 are swept and collected into the collecting pocket 11 by the rotation of the cleaning blade 10, so that the fixed impurities in the collecting pocket 11 are conveniently cleaned through the cleaning door 12, and the cleaning of the filter screen 7 is completed.

[0040] A method of a domestic sewage treatment device, comprising the following steps:

[0041] S1: preliminary filtration, the sewage is introduced into the filter chamber 5 in the treatment box 1 through the water inlet pipe 3, and part of the solid impurities is removed from the sewage by the filtering effect of the filter screen 7;

[0042] S2: biological reaction treatment, the sewage after the preliminary filtration is introduced into the biological reaction chamber 14 through the communication pipe 13, the sewage advances in a meandering manner along the circulating water channel 20 separated by the plurality of guide plates 18, so that the sewage is fully contacted with the microorganism of the biological membrane 19, and the organic matter in the sewage is degraded by the microorganism;

[0043] S3: cleaning and maintenance, after the sewage is discharged, the sealing door 17 is rotated and opened, the guide plate 18 on the sealing door 17 is conveniently replaced, so that the biological membrane 19 is replaced; meanwhile, the rotating shaft 16 drives the cleaning shaft 9 to rotate through the linkage assembly 8, and then drives the cleaning blade 10 to rotate to clean the surface of the filter screen 7, and the fixed impurities are collected into the collecting pocket 11, and finally the fixed impurities in the collecting pocket 11 are cleaned by opening the cleaning door 12.

[0044] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A device for treating domestic sewage, characterized by comprising: It includes: The processing box (1) is divided into a filtering chamber (5) and a biological reaction chamber (14) by a partition plate, the filtering chamber (5) is communicated with a water inlet pipe (3), the top of the biological reaction chamber (14) is communicated with a water outlet pipe (4), and the bottom of the filtering chamber (5) and the bottom of the biological reaction chamber (14) are communicated with a communication pipe (13); The cleaning mechanism (6) includes a filter screen (7), a linkage assembly (8), a cleaning shaft (9), a cleaning blade (10) and a collection pocket (11), the filter screen (7) is installed in the filtering chamber (5), the linkage assembly (8) is connected outside the top of the filtering chamber (5), the output end of the linkage assembly (8) is connected with the cleaning shaft (9), the bottom end of the cleaning shaft (9) is sealed through the top of the filtering chamber (5), and the cleaning blade (10) is fixedly connected coaxially on the bottom end of the cleaning shaft (9), the bottom of the cleaning blade (10) abuts against the upper surface of the filter screen (7), and the collection pocket (11) is communicated at the edge of the filter screen (7); The biological reaction mechanism (15) includes a rotating shaft (16), a sealing door (17), a flow guide plate (18) and a biological membrane (19), a window is formed in one side of the biological reaction chamber (14), the rotating shaft (16) is rotatably connected to the window, the sealing door (17) is fixedly connected to the rotating shaft (16), the sealing door (17) is used for sealing the window, the top end of the rotating shaft (16) is sealed through the biological reaction chamber (14) and is connected with the input end of the linkage assembly (8), a plurality of flow guide plates (18) are fixedly connected to the sealing door (17) close to the inner side of the biological reaction chamber (14), the surfaces of the plurality of flow guide plates (18) are provided with biological membranes (19), and microorganisms are attached to the biological membranes (19); The water inlet pipe (3) is communicated with a sewage pump (2) away from one end of the processing box (1), and the input end of the sewage pump (2) is arranged in a sewage pool; The linkage assembly (8) includes a large gear, a small gear and a transmission belt, the large gear is fixedly connected coaxially to the top end of the rotating shaft (16), the small gear is fixedly connected coaxially to the top end of the cleaning shaft (9), and the large gear and the small gear are sleeved with the same transmission belt; A cleaning door (12) is installed on the filtering chamber (5) and is arranged near the collection pocket (11); The biological reaction chamber (14) has a quarter circle cross section, the rotating shaft (16) is arranged at the center of the biological reaction chamber (14), the plurality of flow guide plates (18) are in the shape of a sector, the plurality of flow guide plates (18) are arranged alternately on both sides of the sealing door (17) and divide the biological reaction chamber (14) into a circulating water channel (20), the communication pipe (13) is communicated with the bottom end of the circulating water channel (20), and the water outlet pipe (4) is communicated with the top end of the circulating water channel (20).

2. The device for treating domestic sewage according to claim 1, characterized in that, Wherein: An aeration head (22) is arranged in the bottom end of the circulating water channel (20), the input end of the aeration head (22) is communicated with an oxygenation pump (21), and the oxygenation pump (21) is arranged outside the bottom of the processing box (1).

3. A method of using a domestic wastewater treatment device as claimed in claim 1, characterised in that, It includes the following steps: S1: preliminary filtration, through the inlet pipe (3) to the filter chamber (5) in the treatment box (1) into the sewage, sewage in the filter screen (7) filtration effect to remove part of the solid impurities; S2: biological reaction treatment, the preliminary filtration of sewage through the communication pipe (13) into the biological reaction chamber (14), sewage along the multiple guide plate (18) separated by the circulating water channel (20) winding forward, so that the sewage and the biological membrane (19) of microorganism contact fully, through the microbial degradation of organic matter in the sewage; S3: cleaning and maintenance, after the sewage discharge, rotating open sealing door (17), facilitate the replacement of sealing door (17) on the guide plate (18), so as to replace the biological membrane (19); at the same time, rotating shaft (16) through the linkage assembly (8) drive cleaning shaft (9) rotation, in turn drive cleaning blade (10) rotation on the surface of the filter screen (7) form cleaning, and the solid impurities collected into the collection pocket (11), finally open cleaning door (12) cleaning collection pocket (11) in the solid impurities.

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