CN107892443B - Preparation method of household sewage type domestic sewage ecological purification device - Google Patents
Preparation method of household sewage type domestic sewage ecological purification device Download PDFInfo
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- C02F9/00—Multistage treatment of water, waste water or sewage
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- C02F1/00—Treatment of water, waste water, or sewage
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- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
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Abstract
The invention provides a household sewage type domestic sewage ecological purification device and a preparation method thereof, wherein the device is formed by sequentially arranging and communicating a plurality of purification pipes, adjacent purification pipes form U-shaped pipes, the plurality of U-shaped pipes are communicated through an upper connecting pipe, the first purification pipe is provided with a water inlet, and the last purification pipe is provided with a water outlet; each purifying tube is filled with filler, each purifying tube is provided with a threaded cover for sealing, and the two purifying tubes are communicated through a lower connecting tube; the filler in the purifying tube is one of granite stone, mixture of granite stone and electric welding slag and coarse sand. The invention also relates to a method for preparing the device. According to the invention, domestic sewage is promoted to flow in the plurality of treatment pipes step by step, nitrogen, phosphorus and heavy metal pollution in the domestic sewage is purified by utilizing the matrix adsorption and microorganism anaerobic ammonia oxidation process, and the pH value of the wastewater is adjusted by utilizing the electric welding slag, so that the anaerobic ammonia oxidation process is more thorough, and the purification effect of the domestic sewage is greatly improved.
Description
Technical Field
The invention relates to the field of environmental science, in particular to a household sewage type domestic sewage ecological purification device and a preparation method thereof.
Background
The domestic sewage is mainly discharged water generated by various kitchen water, washing water and toilet water used in human life, contains a large amount of nutrient substances such as nitrogen and phosphorus, and is one of main pollution sources for water eutrophication. The traditional domestic sewage treatment method generally conveys the domestic sewage to a sewage treatment plant for centralized purification through a municipal pipeline, and the method has the disadvantages of high cost and low treatment proportion, so that a large amount of untreated domestic sewage is directly discharged into urban water bodies, and the eutrophication of the water bodies is caused. The biological purification technology is to absorb or decompose pollutants in the sewage by utilizing the action of microorganisms to achieve the aim of purifying the sewage, and the method does not need energy consumption and produce secondary pollution, is economical and environment-friendly, and increasingly becomes the key development direction of sewage treatment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a household sewage type ecological purification device; the domestic sewage treatment device disclosed by the invention has the advantages of low investment, high efficiency, ecological environment friendliness and the like, and domestic sewage generated by families can be fully purified before being discharged into municipal pipelines by establishing the miniature purification device and utilizing the principle of biologically purifying sewage and creating an environment suitable for the growth of microorganisms.
According to a first aspect of the invention, a domestic sewage type domestic sewage ecological purification device is provided, which is formed by sequentially arranging and communicating a plurality of purification pipes, wherein every two adjacent purification pipes form a U-shaped pipe, the U-shaped pipes are communicated through an upper connecting pipe, the first purification pipe is provided with a water inlet, and the last purification pipe is provided with a water outlet;
the two purification pipes are communicated through a lower connecting pipe;
the filler in the purifying pipe is one of granite stone, a mixture of the granite stone and electric welding slag and coarse sand.
Preferably, the first and second purification tubes form a first U-shaped tube filled with granite stones with a particle size of 1.5-2.5cm, and the height of the filler in each purification tube is horizontal to the lower edge of the upper connecting tube.
Preferably, the third and fourth purification pipes form a second U-shaped pipe, a mixture of granite stones and electric welding slag with the grain size of 0.5-1.5cm is filled in the second U-shaped pipe, the weight ratio of the granite stones to the electric welding slag is 10-15:1, and the height of the filler in each purification pipe is horizontal to the lower edge of the upper connecting pipe.
Preferably, the fifth and sixth purification tubes form a third U-shaped tube, coarse sand with the particle size of 0.2-0.5cm is filled in the third U-shaped tube, and the height of the filler in each purification tube is horizontal to the lower edge of the upper connecting tube.
Preferably, the number of the purification pipes in the device is at least six, the at least six purification pipes form at least three U-shaped pipes, and the three U-shaped pipes are respectively filled with granite stones with the grain size of 1.5-2.5cm, a mixture of the granite stones with the grain size of 0.5-1.5cm and electric welding slag, and coarse sand with the grain size of 0.2-0.5 cm;
when the number of the purification pipes is more than six, namely the number of the U-shaped pipes is more than three, at least one U-shaped pipe is filled with granite stones with the grain diameter of 1.5-2.5cm, at least one U-shaped pipe is filled with a mixture of the granite stones with the grain diameter of 0.5-1.5cm and the electric welding slag, and at least one U-shaped pipe is filled with coarse sand with the grain diameter of 0.2-0.5.
Preferably, the water outlet is provided with a control valve, and the front section of the control valve is provided with a filter screen with meshes smaller than 0.1 cm.
According to a second aspect of the present invention, there is provided a method for manufacturing a domestic sewage type ecological purification apparatus, the method comprising the steps of:
step one, manufacturing a purifying pipe and a connecting pipe:
step two, connecting the purifying pipe and the connecting pipe: connecting and assembling the water purifying pipe and the connecting pipe which are manufactured in the first step, wherein the connecting sequence is as follows: the first purifying pipe is communicated with the lower end of the second purifying pipe through a first lower connecting pipe, and the first purifying pipe and the second purifying pipe form a first U-shaped pipe; the upper end of the third purifying pipe is communicated with the upper end of the second purifying pipe through a first upper connecting pipe, the other end of the third purifying pipe is communicated with the lower end of the fourth purifying pipe through a second lower connecting pipe, and the third purifying pipe and the fourth purifying pipe form a second U-shaped pipe; the upper end of the fifth purifying pipe is connected with the upper end of the fourth purifying pipe through a second upper connecting pipe and communicated with the upper end of the fourth purifying pipe, the other end of the fifth purifying pipe is communicated with the lower end of the sixth purifying pipe through a third lower connecting pipe, and the fifth purifying pipe and the sixth purifying pipe form a third U-shaped pipe; the last purifying pipe is provided with a water outlet; a control valve is arranged at the water outlet, and a filter screen with meshes smaller than 0.1cm is arranged at the front section of the control valve to form a purification device;
step three, filling the matrix: granite stones with the particle size of 1.5-2.5cm are filled in the first purification pipe and the second purification pipe, granite stones with the particle size of 0.5-1.5cm and electric welding slag are filled in the third purification pipe and the fourth purification pipe in a weight ratio of 10-15:1, coarse sand with the particle size of 0.2-0.5cm is filled in the fifth purification pipe and the sixth purification pipe, and the height of fillers in each purification pipe is horizontal to the lower edge of the upper connecting pipe; when the number of the purification pipes is more than six, namely the number of the U-shaped pipes is more than three, wherein at least one U-shaped pipe is filled with granite stones with the grain diameter of 1.5-2.5cm, at least one U-shaped pipe is filled with a mixture of the granite stones with the grain diameter of 0.5-1.5 and the electric welding slag, and at least one U-shaped pipe is filled with coarse sand with the grain diameter of 0.2-0.5;
step four, preparing the nutrient solution: boiling tap water, adding the mixture of soybean flour and wheat flour into boiling water, stirring while continuously heating to boil, stopping heating, pouring into a container, and standing at room temperature to obtain nutrient solution;
step five, collecting strains: collecting fresh active bottom sludge from a domestic sewage treatment plant, and putting the active bottom sludge into the container filled with the nutrient solution, which is completed in the fourth step;
step six, fermentation: sealing the container completed in the fifth step, and placing the container in an environment with the temperature of 25-35 ℃ for anaerobic fermentation for 14-35 days to generate mixed liquor;
and seventhly, filtering the bacterial liquid: filtering the mixed solution generated in the sixth step by using a 40-60-mesh sieve to remove larger solid particles in the mixed solution, wherein the filtrate is the bacterial solution and is placed in a closed container for storage;
step eight, inoculation: closing a water outlet of the purification device filled with the matrix in the step three, then filling the bacterial liquid prepared in the step seven into a purification tube, completely immersing the matrix in the purification tube by the bacterial liquid, sealing an opening of the first purification tube, then placing the whole purification device in an environment with the temperature of 25-35 ℃ for standing for 7-14 days, and then discharging the bacterial liquid from the water outlet of the purification device, thus completing inoculation;
ninth, installation of a purification device: and after the step eight is finished, connecting the opening of the first purifying pipe of the purifying device with a sewer pipe of the domestic sewage, connecting the water outlet of the purifying device with an outdoor drain pipe, namely finishing the installation of the whole purifying device, and opening the tail end control valve for use.
The manufacturing of the purifying tube refers to: selecting a PVC plastic pipe with the diameter of 10-20cm, and sawing the PVC plastic pipe into pipe sections with the same length of 50-100cm to be used as the purification pipes.
Preferably, the manufacturing of the connecting pipe refers to: a PVC plastic pipe with the pipe diameter of 3-5cm is selected and cut into a pipe section with the length of 4-7cm to be used as a connecting pipe.
Preferably, in the fourth step, 200-300g of the mixture of the soybean flour and the wheat flour is poured into every 10L of boiled water, and the weight ratio is as follows: soybean meal: heating and boiling the wheat flour at a ratio of 1:3-5 under stirring for 3-5 minutes, stopping heating, pouring the mixture into a container, and standing the mixture at room temperature for 1-3 hours.
Preferably, in the fifth step, the volume ratio of the active bottom mud to the nutrient solution is 1:30-50, and the stirring is carried out for 3-10 minutes.
The invention relates to a household domestic sewage purification device based on anaerobic ammonia oxidation reaction, which can purify nitrogen, phosphorus and heavy metal pollution in domestic sewage by promoting the domestic sewage to flow in a plurality of treatment pipes step by step, utilizing matrix adsorption and microorganism anaerobic ammonia oxidation processes, and utilizing electric welding slag to adjust the pH value of the wastewater, so that the anaerobic ammonia oxidation process is more thorough, and the purification effect of the domestic sewage is greatly improved. Therefore, provides a domestic sewage purification technology, namely a domestic sewage type ecological purification device.
Compared with the prior art, the invention has the following beneficial effects:
(1) the family domestic sewage purification device based on anaerobic ammonia oxidation enables the domestic sewage to be purified before being discharged into municipal pipelines, and the purification efficiency of the domestic sewage is greatly improved. Has the advantages of low investment, high efficiency, ecological environmental protection and the like.
(2) The invention relates to a household domestic sewage purification device based on anaerobic ammonia oxidation reaction, which can purify nitrogen, phosphorus and heavy metal pollution in domestic sewage by promoting the domestic sewage to flow in a plurality of treatment pipes step by step, utilizing matrix adsorption and microorganism anaerobic ammonia oxidation processes, and utilizing electric welding slag to adjust the pH value of the wastewater, so that the anaerobic ammonia oxidation process is more thorough, and the purification effect of the domestic sewage is greatly improved.
(3) The device has the advantages of simple structure, convenient installation, easy realization and obvious economic benefit.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the structure of an apparatus according to embodiments 1 to 3 of the present invention;
FIG. 2 is a schematic structural diagram of an apparatus in embodiment 4 of the present invention;
fig. 3 is a schematic structural diagram of an apparatus in embodiment 5 of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1
The embodiment relates to a household sewage type domestic sewage ecological purification device which is structurally shown as the attached figure 1 and is formed by communicating a plurality of U-shaped pipes. In the embodiment shown in fig. 1, there are six purification tubes 2, and two adjacent purification tubes 2 constitute one U-shaped tube and three U-shaped tubes.
Wherein the U-shaped pipes are communicated through an upper connecting pipe 6; the first purifying pipe is provided with a water inlet 1, and the last purifying pipe is provided with a water outlet 8;
each purifying tube is filled with a filler 3, meanwhile, each purifying tube is provided with a threaded cover 5 for sealing, and the two purifying tubes are communicated through a lower connecting tube 4;
the water outlet 8 is provided with a control valve 7. And a filter screen with meshes smaller than 0.1cm is arranged at the front section of the control valve.
The three U-shaped pipes are respectively filled with granite stones with the grain diameter of 1.5-2.5cm, a mixture of the granite stones with the grain diameter of 0.5-1.5 and electric welding slag, and coarse sand with the grain diameter of 0.2-0.5. Specifically, the method comprises the following steps:
the first and the second purifying pipes form a first U-shaped pipe, granite stones with the grain diameter of 1.5-2.5cm are filled in the first U-shaped pipe, and the height of fillers in each purifying pipe is horizontal to the lower edge of the upper connecting pipe 6;
the third and the fourth purifying pipes form a second U-shaped pipe, a mixture of granite stones with the grain diameter of 0.5-1.5cm and electric welding slag is filled in the second U-shaped pipe, the weight ratio of the granite stones to the electric welding slag is 10-15:1, and the height of a filler in each purifying pipe is horizontal to the lower edge of the upper connecting pipe 6;
the fifth and the sixth purifying tubes form a third U-shaped tube, coarse sand with the particle size of 0.2-0.5cm is filled in the third U-shaped tube, and the height of the filler in each purifying tube is horizontal to the lower edge of the upper connecting tube 6;
the embodiment also relates to a preparation method of the device, which comprises the following steps:
(1) and manufacturing the purifying pipe and the connecting pipe: selecting a PVC plastic pipe with the diameter of 10cm, and sawing the PVC plastic pipe into 5 pipe sections with the same length of 50cm to be used as purification pipes; a PVC plastic pipe with the pipe diameter of 3cm is selected and sawed into 5 pipe sections with the length of 4cm to serve as connecting pipes.
(2) And the connection of the purifying pipe and the connecting pipe: the purification pipes and the connecting pipes manufactured in the step (1) are connected with each other by using pipe fittings made of the same material according to the mode shown in the schematic diagram of the attached drawing 1, the inlet end of the first purification pipe is a water inlet 1, a control valve 7 is arranged at the outlet of the water outlet pipe, and a filter screen with the mesh opening smaller than 0.1cm is arranged at the front section of the control valve 7 to form a purification device;
(3) and matrix filling: granite stones with the grain diameter of 1.5cm are filled in the first purifying pipe and the second purifying pipe of the purifying device, granite stones with the grain diameter of 0.5cm and electric welding slag are filled in the third purifying pipe and the fourth purifying pipe with the weight ratio of 10:1, coarse sand with the grain diameter of 0.2cm is filled in the fifth purifying pipe and the sixth purifying pipe, and the height of fillers in each purifying pipe is horizontal to the lower edge of the upper connecting pipe 6;
(4) and preparing a nutrient solution: boiling tap water, and pouring 200g of a mixture of soybean flour and wheat flour into every 10L of boiled water, wherein the weight ratio is as follows: soybean meal: heating and boiling the wheat flour at a ratio of 1:3 for 3 minutes while stirring, stopping heating, pouring the wheat flour into a container, and standing for 1 hour at room temperature;
(5) and collecting strains: collecting fresh active bottom sludge from a domestic sewage treatment plant, putting the active bottom sludge into the container filled with the nutrient solution and completed in the step (4), wherein the volume ratio of the active bottom sludge to the nutrient solution is 1:30, and stirring for 3 minutes;
(6) and fermenting: sealing the container completed in the step (5), and placing the container in an environment at 25 ℃ for anaerobic fermentation for 14 days to generate a mixed solution;
(7) and filtering bacterial liquid: filtering the mixed liquor generated in the step (6) by using a 40-mesh sieve to remove larger solid particles in the mixed liquor, wherein the filtrate is bacterial liquid and is placed in a closed container for storage;
(8) and inoculation: closing a water outlet of the purification device filled with the matrix in the step (3), then filling the bacterial liquid prepared in the step (7) into a purification tube, completely immersing the matrix in the purification tube by the bacterial liquid, sealing an opening of a first purification tube, standing the whole purification device in an environment at 25 ℃ for 7 days, and then discharging the bacterial liquid from a water outlet 8 of the purification device to finish inoculation;
(9) and installation of the purification device: and (4) after the step (8) is finished, connecting the opening of the first purifying pipe of the purifying device with a sewer pipe of the domestic sewage, connecting the water outlet of the purifying device with an outdoor drainage pipe, namely finishing the installation of the whole purifying device, and opening the tail end control valve for use.
Example 2
The embodiment relates to a household sewage type domestic sewage ecological purification device, the structure of which is shown in the attached drawing 1, the device is formed by communicating a plurality of purification pipes, the structure composition is the same as that of the embodiment 1, and the description is omitted. The following is a description of the device fabrication process, which includes the following steps:
(1) and manufacturing the purifying pipe and the connecting pipe: selecting a PVC plastic pipe with the diameter of 15cm, and sawing the PVC plastic pipe into 6 pipe sections with the same length of 70cm to be used as purification pipes; a PVC plastic pipe with the pipe diameter of 4cm is selected and cut into 7 pipe sections with the length of 5cm to serve as connecting pipes.
(2) And the connection of the purifying pipe and the connecting pipe: the purification pipes and the connecting pipes manufactured in the step (1) are connected with each other by using pipe fittings made of the same material according to the mode shown in the schematic diagram of the attached drawing 1, the inlet end of the first purification pipe is a water inlet 1, a control valve 7 is arranged at the outlet of the water outlet pipe, and a filter screen with the mesh opening smaller than 0.1cm is arranged at the front section of the control valve to form a purification device;
(3) and matrix filling: granite stones with the particle size of 2cm are filled in a first purifying pipe and a second purifying pipe of the purifying device, granite stones with the particle size of 2cm and electric welding slag are filled in a third purifying pipe and a fourth purifying pipe in a weight ratio of 12:1, coarse sand with the particle size of 0.25cm is filled in a fifth purifying pipe and a sixth purifying pipe, and the height of a filler 3 in each purifying pipe is horizontal to the lower edge of an upper connecting pipe;
(4) and preparing a nutrient solution: boiling tap water, and pouring 250g of a mixture of soybean flour and wheat flour into every 10L of boiled water, wherein the weight ratio is as follows: soybean meal: heating and boiling the wheat flour at a ratio of 1:4 for 4 minutes under stirring, stopping heating, pouring the wheat flour into a container, and standing for 2 hours at room temperature;
(5) and collecting strains: collecting fresh active bottom sludge from a domestic sewage treatment plant, putting the active bottom sludge into the container filled with the nutrient solution and prepared in the step (4), wherein the volume ratio of the active bottom sludge to the nutrient solution is 1:40, and stirring for 3-10 minutes;
(6) and fermenting: sealing the container completed in the step (5), and placing the container in an environment with the temperature of 30 ℃ for anaerobic fermentation for 21 days to generate a mixed solution;
(7) and filtering bacterial liquid: filtering the mixed liquor generated in the step (6) by using a 40-50-mesh sieve to remove larger solid particles in the mixed liquor, wherein the filtrate is bacterial liquid and is placed in a closed container for storage;
(8) and inoculation: closing the water outlet of the purification device filled with the matrix in the step (3), then filling the bacterial liquid prepared in the step (7) into the purification tube, completely immersing the matrix in the purification tube by the bacterial liquid, sealing the opening of the first purification tube, standing the whole purification device in an environment at 30 ℃ for 10 days, and then discharging the bacterial liquid from the water outlet of the purification device to finish inoculation;
(9) and installation of the purification device: and (4) after the step (8) is finished, connecting the opening of the first purifying pipe of the purifying device with a sewer pipe of the domestic sewage, connecting the water outlet of the purifying device with an outdoor drainage pipe, namely finishing the installation of the whole purifying device, and opening the tail end control valve for use.
Example 3
The embodiment relates to a household sewage type domestic sewage ecological purification device, the structure of which is shown in the attached figure 1, and the preparation method of the device comprises the following steps:
(1) and manufacturing the purifying pipe and the connecting pipe: selecting a PVC plastic pipe with the diameter of 20cm, and sawing the PVC plastic pipe into 7 pipe sections with the same length of 100cm to be used as purification pipes; a PVC plastic pipe with the pipe diameter of 4cm is selected and cut into 8 pipe sections with the length of 7cm to serve as connecting pipes.
(2) And the connection of the purifying pipe and the connecting pipe: the purification pipes and the connecting pipes manufactured in the step (1) are connected with each other by using pipe fittings made of the same material according to the mode shown in the schematic diagram of the attached drawing 1, the inlet end of the first purification pipe is a water inlet 1, a control valve 7 is arranged at the outlet of the water outlet pipe, and a filter screen with the mesh opening smaller than 0.1cm is arranged at the front section of the control valve 7 to form a purification device;
(3) and matrix filling: granite stones with the grain diameter of 2.5cm are filled in a first purifying pipe and a second purifying pipe of the purifying device, granite stones with the grain diameter of 1.5cm and electric welding slag are filled in a third purifying pipe and a fourth purifying pipe with the weight ratio of 15:1, coarse sand with the grain diameter of 0.5cm is filled in a fifth purifying pipe and a sixth purifying pipe, and the height of fillers in each purifying pipe is horizontal to the lower edge of an upper connecting pipe;
(4) and preparing a nutrient solution: boiling tap water, and pouring 300g of a mixture of soybean flour and wheat flour into every 10L of boiled water, wherein the weight ratio is as follows: soybean meal: continuously heating and boiling wheat flour at a ratio of 1:5 for 5 minutes while stirring, stopping heating, pouring the wheat flour into a container, and standing for 3 hours at room temperature;
(5) and collecting strains: collecting fresh active bottom sludge from a domestic sewage treatment plant, putting the active bottom sludge into the container filled with the nutrient solution and completed in the step (4), wherein the volume ratio of the active bottom sludge to the nutrient solution is 1:50, and stirring for 10 minutes;
(6) and fermenting: sealing the container completed in the step (5), and placing the container in an environment with the temperature of 35 ℃ for anaerobic fermentation for 35 days to generate mixed liquid;
(7) and filtering bacterial liquid: filtering the mixed liquor generated in the step (6) by using a 60-mesh sieve to remove larger solid particles in the mixed liquor, wherein the filtrate is bacterial liquid and is placed in a closed container for storage;
(8) and inoculation: closing the water outlet of the purification device filled with the matrix in the step (3), then filling the bacterial liquid prepared in the step (7) into the purification tube, completely immersing the matrix in the purification tube by the bacterial liquid, sealing the opening of the first purification tube, then placing the whole purification device in an environment with the temperature of 35 ℃ for standing for 14 days, and then discharging the bacterial liquid from the water outlet of the purification device, thus completing inoculation;
(9) and installation of the purification device: and (4) after the step (8) is finished, connecting the opening of the first purifying pipe of the purifying device with a sewer pipe of the domestic sewage, connecting the water outlet of the purifying device with an outdoor drainage pipe, namely finishing the installation of the whole purifying device, and opening the tail end control valve for use.
Example 4
The domestic sewage ecological purification device of formula of launching that this embodiment relates to, the structure is shown in fig. 2, totally eight purifying tubes 2, and two adjacent purifying tubes 2 constitute a U-shaped pipe, constitute four U-shaped pipes altogether.
Wherein the U-shaped pipes are communicated through an upper connecting pipe 6; the first purifying pipe is provided with a water inlet 1, and the last purifying pipe is provided with a water outlet 8;
each purifying tube is filled with a filler 3, meanwhile, each purifying tube is provided with a threaded cover 5 for sealing, and the two purifying tubes are communicated through a lower connecting tube 4;
the water outlet 8 is provided with a control valve 7, and the front section of the control valve is provided with a filter screen with meshes smaller than 0.1 cm.
The four U-shaped pipes are respectively filled with granite stones with the grain diameter of 1.5-2.5cm, a mixture of the granite stones with the grain diameter of 0.5-1.5 and electric welding slag, and coarse sand with the grain diameter of 0.2-0.5. Specifically, the method comprises the following steps:
the first and the second purifying pipes form a first U-shaped pipe, granite stones with the grain diameter of 1.5-2.5cm are filled in the first U-shaped pipe, and the height of fillers in each purifying pipe is horizontal to the lower edge of the upper connecting pipe 6;
the third and the fourth purifying pipes form a second U-shaped pipe, a mixture of granite stones with the grain diameter of 0.5-1.5cm and electric welding slag is filled in the second U-shaped pipe, the weight ratio of the granite stones to the electric welding slag is 10-15:1, and the height of a filler in each purifying pipe is horizontal to the lower edge of the upper connecting pipe 6;
the fifth to eighth purifying tubes form a third U-shaped tube and a fourth U-shaped tube, coarse sand with the grain diameter of 0.2-0.5cm is filled in the third U-shaped tube, and the height of the filler in each purifying tube is horizontal to the lower edge of the upper connecting tube 6.
The preparation of the above device is similar to that of examples 1-3 above and will not be described again.
Example 5
The domestic sewage ecological purification device of formula of launching that this embodiment relates to, the structure is shown in fig. 3, totally eight purifying tubes 2, and two adjacent purifying tubes 2 constitute a U-shaped pipe, constitute four U-shaped pipes altogether.
Wherein the U-shaped pipes are communicated through an upper connecting pipe 6; the first purifying pipe is provided with a water inlet 1, and the last purifying pipe is provided with a water outlet 8;
each purifying tube is filled with a filler 3, meanwhile, each purifying tube is provided with a threaded cover 5 for sealing, and the two purifying tubes are communicated through a lower connecting tube 4;
the water outlet 8 is provided with a control valve 7, and the front section of the control valve is provided with a filter screen with meshes smaller than 0.1 cm.
The four U-shaped pipes are respectively filled with granite stones with the grain diameter of 1.5-2.5cm, a mixture of the granite stones with the grain diameter of 0.5-1.5 and electric welding slag, and coarse sand with the grain diameter of 0.2-0.5. Specifically, the method comprises the following steps:
the first and the second purifying pipes form a first U-shaped pipe, granite stones with the grain diameter of 1.5-2.5cm are filled in the first U-shaped pipe, and the height of fillers in each purifying pipe is horizontal to the lower edge of the upper connecting pipe 6;
the third to the sixth purifying pipes form a second U-shaped pipe and a third U-shaped pipe, the mixture of granite stones with the grain diameter of 0.5-1.5cm and electric welding slag is filled in the second U-shaped pipe and the third U-shaped pipe, the weight ratio of the granite stones to the electric welding slag is 10-15:1, and the height of fillers in each purifying pipe is horizontal to the lower edge of the upper connecting pipe 6;
the seventh and eighth purifying tubes form a fourth U-shaped tube, coarse sand with the particle size of 0.2-0.5cm is filled in the fourth U-shaped tube, and the height of the filler in each purifying tube is horizontal to the lower edge of the upper connecting tube 6.
The preparation of the above device is similar to that of examples 1-3 above and will not be described again.
Of course, in other embodiments, when the number of the purification tubes is more than six, that is, the number of the U-shaped tubes is more than three, at least one of the U-shaped tubes is filled with granite stones with a grain size of 1.5-2.5cm, at least one of the U-shaped tubes is filled with a mixture of granite stones with a grain size of 0.5-1.5cm and the electric welding slag, and at least one of the U-shaped tubes is filled with coarse sand with a grain size of 0.2-0.5 cm. The structure is not limited to the structure in the above embodiments 4 and 5.
Furthermore, in some embodiments, the number of the purification tubes may be an odd number, in which case, the last purification tube may be filled or not filled with the filler, and the water outlet is disposed on the purification tube, and other adjacent purification tubes are sequentially combined into a plurality of U-shaped tubes. Of course, the first purification tube may be filled or not filled with filler, and the purification tube is provided with a water inlet, and other adjacent purification tubes are sequentially combined into a plurality of U-shaped tubes. None of these arrangements affect the achievement of the technical objects of the present invention.
In conclusion, the embodiments 1 to 4 fully illustrate that the domestic sewage purification device based on anammox according to the present invention can purify the domestic sewage before the domestic sewage is discharged into municipal pipelines, thereby greatly improving the efficiency of domestic sewage purification. Has the advantages of low investment, high efficiency, ecological environmental protection and the like.
In addition, the domestic sewage is promoted to flow in the plurality of treatment pipes step by step, nitrogen, phosphorus and heavy metal pollution in the domestic sewage is purified by utilizing the matrix adsorption and the microorganism anaerobic ammonia oxidation process, the pH value of the wastewater is adjusted by utilizing the electric welding slag, the anaerobic ammonia oxidation process is more thorough, and the purification effect of the domestic sewage is greatly improved. The device has the advantages of simple structure, convenient installation, easy realization and obvious economic benefit.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (5)
1. The preparation method of the domestic sewage type domestic sewage ecological purification device is characterized in that the device is formed by sequentially arranging and communicating a plurality of purification pipes, wherein every two adjacent purification pipes form a U-shaped pipe, the U-shaped pipes are communicated through an upper connecting pipe, the first purification pipe is provided with a water inlet, and the last purification pipe is provided with a water outlet;
the two purification pipes are communicated through a lower connecting pipe;
the filler in the purifying pipe is one of granite stones, a mixture of the granite stones and electric welding slag and coarse sand;
the method comprises the following steps:
step one, manufacturing a purifying pipe and a connecting pipe:
step two, connecting the purifying pipe and the connecting pipe: connecting and assembling the water purifying pipe and the connecting pipe which are manufactured in the first step, wherein the connecting sequence is as follows: the first purifying pipe is communicated with the lower end of the second purifying pipe through a first lower connecting pipe, and the first purifying pipe and the second purifying pipe form a first U-shaped pipe; the upper end of the third purifying pipe is communicated with the upper end of the second purifying pipe through a first upper connecting pipe, the other end of the third purifying pipe is communicated with the lower end of the fourth purifying pipe through a second lower connecting pipe, and the third purifying pipe and the fourth purifying pipe form a second U-shaped pipe; the upper end of the fifth purifying pipe is connected with the upper end of the fourth purifying pipe through a second upper connecting pipe and communicated with the upper end of the fourth purifying pipe, the other end of the fifth purifying pipe is communicated with the lower end of the sixth purifying pipe through a third lower connecting pipe, and the fifth purifying pipe and the sixth purifying pipe form a third U-shaped pipe; the last purifying pipe is provided with a water outlet; a control valve is arranged at the water outlet, and a filter screen with meshes smaller than 0.1cm is arranged at the front section of the control valve to form a purification device;
step three, filling the matrix: granite stones with the grain diameter of 1.5-2.5cm are filled in the first purifying pipe and the second purifying pipe, granite stones with the grain diameter of 0.5-1.5cm and electric welding slag are filled in the third purifying pipe and the fourth purifying pipe with the weight ratio of 10-15:1, coarse sand with the grain diameter of 0.2-0.5cm is filled in the fifth purifying pipe and the sixth purifying pipe, and the height of fillers in each purifying pipe is horizontal to the lower edge of the upper connecting pipe; when the number of the purification pipes is more than six, namely the number of the U-shaped pipes is more than three, wherein at least one U-shaped pipe is filled with granite stones with the grain diameter of 1.5-2.5cm, at least one U-shaped pipe is filled with a mixture of the granite stones with the grain diameter of 0.5-1.5 and the electric welding slag, and at least one U-shaped pipe is filled with coarse sand with the grain diameter of 0.2-0.5;
step four, preparing the nutrient solution: boiling tap water, adding the mixture of soybean flour and wheat flour into boiling water, stirring while continuously heating to boil, stopping heating, pouring into a container, and standing at room temperature to obtain nutrient solution;
step five, collecting strains: collecting fresh active bottom sludge from a domestic sewage treatment plant, and putting the active bottom sludge into the container filled with the nutrient solution, which is completed in the fourth step;
step six, fermentation: sealing the container completed in the fifth step, and placing the container in an environment with the temperature of 25-35 ℃ for anaerobic fermentation for 14-35 days to generate mixed liquor;
and seventhly, filtering the bacterial liquid: filtering the mixed solution generated in the sixth step by using a 40-60-mesh sieve to remove larger solid particles in the mixed solution, wherein the filtrate is the bacterial solution and is placed in a closed container for storage;
step eight, inoculation: closing a water outlet of the purification device filled with the matrix in the step three, then filling the bacterial liquid prepared in the step seven into a purification tube, completely immersing the matrix in the purification tube by the bacterial liquid, sealing an opening of the first purification tube, then placing the whole purification device in an environment with the temperature of 25-35 ℃ for standing for 7-14 days, and then discharging the bacterial liquid from the water outlet of the purification device, thus completing inoculation;
ninth, installation of a purification device: and after the step eight is finished, connecting the opening of the first purifying pipe of the purifying device with a sewer pipe of the domestic sewage, connecting the water outlet of the purifying device with an outdoor drain pipe, namely finishing the installation of the whole purifying device, and opening the tail end control valve for use.
2. The method for preparing the domestic sewage ecological purification device according to claim 1, wherein the manufacturing of the purification pipe comprises the following steps: selecting a PVC plastic pipe with the diameter of 10-20cm, and sawing the PVC plastic pipe into pipe sections with the same length of 50-100cm to be used as the purification pipes.
3. The method for preparing the domestic sewage ecological purification device according to claim 1, wherein the manufacturing of the connecting pipe comprises: a PVC plastic pipe with the pipe diameter of 3-5cm is selected and cut into a pipe section with the length of 4-7cm to be used as a connecting pipe.
4. The method for preparing the household sewage ecological purification device as claimed in claim 1, wherein in the fourth step, 200-300g of the mixture of soybean meal and wheat flour is poured into 10L of boiled water, and the weight ratio is as follows: and (3) continuously heating and boiling the soybean flour and the wheat flour at a ratio of 1:3-5 under stirring for 3-5 minutes, stopping heating, pouring the mixture into a container, and standing the mixture at room temperature for 1-3 hours.
5. The method for preparing an ecological purification device for domestic sewage according to claim 1, wherein in the fifth step, the volume ratio of the active bottom mud to the nutrient solution is 1:30-50, and the stirring is carried out for 3-10 minutes.
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| DE2436535C2 (en) * | 1974-07-29 | 1982-06-03 | Buse Anlagenbau GmbH, 5462 Bad Hönningen | Removal of dissolved organic substances from liquids |
| CN202809734U (en) * | 2012-09-19 | 2013-03-20 | 杨光 | Anti-blocking kitchen washing tank |
| CN104192921A (en) * | 2014-09-15 | 2014-12-10 | 伍绍忠 | Water storage purifier |
| CN204848564U (en) * | 2015-06-03 | 2015-12-09 | 刘清园 | Handle rural domestic sewage's domestic type system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2436535C2 (en) * | 1974-07-29 | 1982-06-03 | Buse Anlagenbau GmbH, 5462 Bad Hönningen | Removal of dissolved organic substances from liquids |
| CN202809734U (en) * | 2012-09-19 | 2013-03-20 | 杨光 | Anti-blocking kitchen washing tank |
| CN104192921A (en) * | 2014-09-15 | 2014-12-10 | 伍绍忠 | Water storage purifier |
| CN204848564U (en) * | 2015-06-03 | 2015-12-09 | 刘清园 | Handle rural domestic sewage's domestic type system |
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