CN111762925A - Wastewater and sewage softening and clarifying method - Google Patents
Wastewater and sewage softening and clarifying method Download PDFInfo
- Publication number
- CN111762925A CN111762925A CN202010747135.XA CN202010747135A CN111762925A CN 111762925 A CN111762925 A CN 111762925A CN 202010747135 A CN202010747135 A CN 202010747135A CN 111762925 A CN111762925 A CN 111762925A
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- reaction box
- wastewater
- sewage
- fixedly connected
- pipe
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/02—Softening water by precipitation of the hardness
Abstract
The invention discloses a wastewater and sewage softening and clarifying method, which comprises the following steps: s1, enabling the wastewater and the sewage to enter the first reaction box through a water inlet pipe; s2, adding the medicament A through a medicament A adding pipe, and driving a spiral stirrer through a motor to stir the wastewater and the sewage added with the medicament A; s3, continuously flowing the wastewater and sewage into a second reaction box through a first filter screen, and simultaneously adding a medicament B through a medicament B adding pipe to drive a spiral stirrer to stir the wastewater and sewage added with the medicament B; s4, enabling waste water to flow into a connecting water tank through a filter screen and two flows, adding a flocculating agent through a flocculating agent adding pipe, and adding a flocculating aid through a flocculating aid adding pipe; s5, starting a motor III, and simultaneously enabling sludge and wastewater to rise, wherein flocculate in the wastewater is in contact with the sludge and adheres to the sludge and falls into a sludge layer; the invention effectively reduces the corrosion of the wastewater and the sewage to pipeline equipment in the flowing process, reduces the energy output in the wastewater and the sewage treatment process, and simultaneously reduces the occupied area for wastewater and sewage treatment.
Description
Technical Field
The invention relates to the technical field of wastewater and sewage treatment equipment, in particular to a wastewater and sewage softening and clarifying method.
Background
Various waste waters of thermal power plants have the characteristics of high suspended matter content and easy scaling, such as ash water, desulfurization waste water, coal-containing waste water and the like. Taking desulfurization wastewater as an example, the content of suspended matters is high, the water quality is complex, and the wastewater contains a large amount of scaling ions such as calcium ions, magnesium ions, sulfate ions and the like. The common equipment for treating the desulfurization wastewater comprises a triple box and a clarification tank, wherein chemical agents are respectively added into each reaction zone of the triple box, stirred and reacted, and then the mixture enters the clarification tank for solid-liquid separation. To complete the treatment process, the system usually needs to be provided with equipment such as a neutralization tank, a reaction tank, a flocculation tank, a clarification tank and the like, and has long treatment flow, relatively high investment cost and larger occupied area.
Disclosure of Invention
The invention aims to provide a wastewater and sewage softening and clarifying method, which achieves the aims of integrally operating the softening and flocculation clarification of wastewater and sewage and automatically discharging sediments.
In order to achieve the purpose, the invention provides the following technical scheme:
a wastewater and sewage softening and clarifying method comprises the following steps:
s1, enabling the wastewater and the sewage to enter the first reaction box through a water inlet pipe;
s2, adding the agent A through an agent A adding pipe, starting a first motor, and driving a spiral stirrer to stir the wastewater and the sewage added with the agent A through the first motor;
s3, opening the first valve, enabling the wastewater and sewage to continuously flow into the second reaction box through the first filter screen, adding the reagent B through the reagent B adding pipe, and continuously starting the second motor to drive the spiral stirrer to stir the wastewater and sewage added with the reagent B;
s4, opening a valve II, enabling wastewater water to flow into a connecting water tank through a filter screen, adding a flocculating agent through a flocculating agent adding pipe, and adding a flocculating aid through a flocculating aid adding pipe;
s5, starting a motor III, enabling sludge and wastewater and sewage to rise simultaneously, enabling flocculation in the wastewater and sewage to be in contact with the sludge and adhere to the sludge, enabling the flocculation to sink under the action of gravity and fall into a sludge layer, and enabling clear liquid to remain on the upper layer and be discharged through a water outlet pipe;
the wastewater and sewage softening and clarifying device adopted by the wastewater and sewage softening and clarifying method comprises a first reaction box, wherein the left side of the top of the first reaction box is fixedly connected with a water inlet pipe, the upper part of the left surface of the first reaction box is fixedly connected with a medicament A adding pipe, a first motor is fixedly installed in the middle of the left surface of the first reaction box, the output end of the first motor is fixedly connected with a first rotating shaft through a coupler, the first rotating shaft penetrates through the left side of the first reaction box, the two ends of the first rotating shaft are rotatably connected with the first reaction box through bearings, a first spiral stirrer is fixedly installed on the surface of the first rotating shaft, a first sewage discharge outlet is formed in the bottom of the right surface of the first reaction box, a first filter screen is arranged on the right side of the bottom surface of the first reaction box, the bottom of the first reaction box is fixedly connected with a second, the upper part of the left side surface of the second reaction box is fixedly connected with a medicament B adding pipe, the middle part of the left side surface of the second reaction box is fixedly provided with a second motor, the output end of the second motor is fixedly connected with a second rotating shaft through a coupler, the second rotating shaft penetrates through the left side of the second reaction box, two ends of the second rotating shaft are rotatably connected with the second reaction box through bearings, a second spiral stirrer is fixedly arranged on the surface of the second rotating shaft, a second sewage discharge outlet is arranged on the right side of the second reaction box, a second filter screen is fixedly arranged on the right side of the bottom surface of the second reaction box, the right side surfaces of the first reaction box and the second reaction box are fixedly connected with a solid recovery box, a baffle plate is fixedly arranged in the middle of the inner cavity of the solid recovery box, the bottom of the reaction box II is fixedly connected with the flocculation clarification device, and the middle parts of the front surfaces of the reaction box I and the reaction box II are movably installed with the access door through hinges;
the flocculation clarification device comprises a connecting water tank, a flocculating agent adding pipe, a water pipe, a sludge layer, a pipeline, a support, a helical blade, a rotating shaft III, a motor III, a clarifying tank and a water outlet pipe, wherein the right top of the connecting water tank is provided with a valve II, the upper part of the right surface of the connecting water tank is fixedly connected with the flocculating agent adding pipe, the middle part of the right surface of the connecting water tank is fixedly connected with the flocculating agent adding pipe, the top of the connecting water tank is fixedly connected with the clarifying tank, the water pipe is fixedly installed at the top of the connecting water tank and penetrates through the bottom of the clarifying tank, the sludge layer is arranged at the bottom of the clarifying tank, the middle part of the inner cavity of the clarifying tank is fixedly connected with the support, the middle part of the surface of the pipeline is fixedly connected with the support, the motor III is installed at the top of the inner cavity, the spiral blade is fixedly installed on the surface of the rotating shaft III, and the upper part of the left side surface of the clarification tank is fixedly connected with the water outlet pipe. The first reaction box and the second reaction box are of the same specification and model, and the first motor connected with the first reaction box and the second motor connected with the second reaction box are of the same model and have the same power.
Preferably, the first spiral stirrer and the second spiral stirrer are of the same specification and model, through holes are formed in the surfaces of the first spiral stirrer and the second spiral stirrer, the through holes are evenly distributed, and the diameter of each through hole is two millimeters. The front and the back of the first reaction box, the second reaction box and the flocculation clarification device are fixedly connected with the mounting supports, and the number of the mounting supports is four.
Preferably, the middle parts of the front surfaces of the first reaction box and the second reaction box are movably installed with the access door through hinges. The installation position of the first filter screen is correspondingly installed with the valve, and the size of the first filter screen is the same as that of the first valve.
Preferably, the solid recycling bin is installed corresponding to the first sewage draining outlet and the second sewage draining outlet, the part above the partition board installed in the inner cavity of the solid recycling bin corresponds to the first sewage draining outlet, and the part below the partition board corresponds to the second sewage draining outlet). The third motor, the water pipe, the pipeline, the third rotating shaft and the helical blade are all two in number and are symmetrically installed, and the upper portion of the water pipe extends into the bottom of the pipeline.
The invention has the following beneficial effects:
the invention separates the dirt ions in the wastewater and sewage through the first reaction box and the second reaction box and automatically separates the wastewater and sewage from the sediment, and the flocculation clarification device is arranged at the bottom, so that the flocculation clarification speed is accelerated, the corrosion of the wastewater and sewage to pipeline instruments in the flowing process is effectively reduced, the energy output in the wastewater and sewage treatment process is reduced, the floor area and the manual labor output of the wastewater and sewage treatment method are reduced, the wastewater and sewage treatment process is greatly shortened, and a large amount of capital cost and time are saved.
Drawings
FIG. 1 is a front cross-sectional structural view of the present invention;
FIG. 2 is a front view structural diagram of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a right side view of the first helical agitator of the present invention;
FIG. 5 is a top view of the present invention.
In the figure: 1 reaction box I, 2 water inlet pipes, 3 medicament A adding pipes, 4 motor I, 5 rotating shaft I, 6 spiral stirrer I, 7 sewage outlet I, 8 filter screen I, 9 valve I, 10 reaction box II, 11 medicament B adding pipes, 12 motor II, 13 rotating shaft II, 14 spiral stirrer II, 15 sewage outlet II, 16 filter screen II, 17 valve II, 18 solid recycling box, 19 baffle 20 flocculation clarification device, 201 connecting water tank, 202 flocculant adding pipes, 203 flocculation aid adding pipes, 204 water pipe, 205 sludge blanket, 206 pipeline, 207 support, 208 helical blade, 209 rotating shaft III, 2010 motor III, 2011 clarification tank, 2012 water outlet pipes, 21 access doors, 22 installing supports.
Detailed Description
As shown in fig. 1 to 5, the present invention provides a technical solution:
a wastewater and sewage softening and clarifying method comprises the following steps:
s1, enabling wastewater and sewage to enter the first reaction box 1 through the water inlet pipe 2;
s2, adding the medicament A through the medicament A adding pipe 3, starting the motor I4, and driving the spiral stirrer I6 to stir the wastewater and the sewage added with the medicament A through the motor I4;
s3, opening the first valve 9, enabling the wastewater and sewage to continuously flow into the second reaction box 2 through the first filter screen 8, adding the reagent B through the reagent B adding pipe 11, continuously starting the second motor 12, and driving the second spiral stirrer 14 to stir the wastewater and sewage added with the reagent B;
s4, opening a valve II 17, enabling the wastewater water to flow into a connecting water tank 201 through a filter screen II 16, adding a flocculating agent through a flocculating agent adding pipe 202, and adding a flocculating aid through a flocculating aid adding pipe 203;
s5, starting a motor III 2010, and simultaneously enabling sludge and wastewater to rise, wherein flocculation in the wastewater is contacted and adhered with the sludge, and the sludge sinks under the action of gravity and falls into a sludge layer, and clear liquid is left on the upper layer and is discharged through a water outlet pipe 2012;
the wastewater and sewage softening and clarifying device adopted by the wastewater and sewage softening and clarifying method comprises a reaction box I1, the left side of the top of the reaction box I1 is fixedly connected with a water inlet pipe 2, the upper part of the left side surface of the reaction box I1 is fixedly connected with a medicament A adding pipe 3, a motor I4 is fixedly arranged in the middle of the left side surface of the reaction box I1, the output end of the motor I4 is fixedly connected with a rotating shaft I5 through a coupler and the rotating shaft I5, the rotating shaft I5 is fixedly connected with the rotating shaft I5 through a bearing and penetrates through the left side of the reaction box I1, two ends of the rotating shaft I5 are rotatably connected with the reaction box I1 through bearings, a spiral stirrer I6 is fixedly arranged on the surface of the rotating shaft I5, a sewage discharge outlet I7 is arranged at the bottom of the right side surface of the reaction box I1, a filter screen I8 is arranged on, the installation position of the first filter screen 8 corresponds to the first valve 9, the size of the first filter screen 8 is the same as that of the first valve 9, the upper part of the left side surface of the second reaction box 10 is fixedly connected with the medicament B adding pipe 11, the middle part of the left side surface of the second reaction box 10 is fixedly provided with a second motor 12, the first reaction box 1 and the second reaction box 10 are of the same specification and model, the first motor 4 connected with the first reaction box 1 and the second motor 12 connected with the second reaction box 10 are of the same model and have the same power, the output end of the second motor 12 is fixedly connected with a second rotating shaft 13 through a coupler, the second rotating shaft 13 penetrates through the left side of the second reaction box 10, two ends of the second rotating shaft 13 are rotatably connected with the second reaction box 10 through bearings, the second spiral stirrer 14 is fixedly installed on the surface of the second rotating shaft 13, the first spiral stirrer 6 and the second spiral stirrer 14 are of the same specification and model, and through holes are formed in the surfaces, the through holes are uniformly distributed, the diameter is two millimeters, the right side of the reaction box II 10 is provided with a drain outlet II 15, the right side of the bottom surface of the reaction box II 10 is fixedly provided with a filter screen II 16, the right side surfaces of the reaction box I1 and the reaction box II 10 are fixedly connected with a solid recovery box 18, the middle part of the inner cavity of the solid recovery box 18 is fixedly provided with a partition plate 19, the solid recovery box 18 is arranged corresponding to the drain outlet I7 and the drain outlet II 15, the part above the partition plate 19 arranged in the inner cavity of the solid recovery box 18 corresponds to the drain outlet I7, the part below the partition plate 19 corresponds to the drain outlet II 15), the bottom of the reaction box II 10 is fixedly connected with a flocculation clarification device 20, the middle parts of the front sides of the reaction box I1 and the reaction box II 10 are movably arranged with an access door 21 through hinges, the reaction box I1, and the front side and the back side, the number of the mounting brackets 22 is four, the middle parts of the front surfaces of the first reaction box 1 and the second reaction box 10 are movably mounted with the access door 21 through hinges, and the first reaction box 1 and the second reaction box 10 are separated to separate dirt ions in the wastewater and sewage and automatically separate the wastewater and sewage from the sediment;
the flocculation clarification device 20 comprises a connecting water tank 201, a flocculating agent adding pipe 202, a flocculation assisting agent adding pipe 203, a water pipe 204, a sludge layer 205, a pipeline 206, a support 207, a helical blade 208, a rotating shaft three 209, a motor three 2010, a clarification tank 2011 and a water outlet pipe 2012, wherein the right top of the connecting water tank 201 is provided with a valve two 17, the upper part of the right surface of the connecting water tank 201 is fixedly connected with the flocculating agent adding pipe 202, the middle part of the right surface of the connecting water tank 201 is fixedly connected with the flocculation assisting agent adding pipe 203, the top of the connecting water tank 201 is fixedly connected with the clarification tank 2011, the water pipe 204 is fixedly installed at the top of the connecting water tank 201, the water pipe 204 penetrates through the bottom of the clarification tank 2011, the sludge layer 205 is arranged at the bottom of the clarification tank 2011, the middle part of the inner cavity of the clarification tank 2011 is fixedly connected with the support 207, the middle part of the surface of the pipeline 206 is fixedly connected with the support, helical blade 208 fixed mounting is on the surface of three 209 of pivot, three 2010 of motor, water pipe 204, pipeline 206, the quantity of three 209 of pivot and helical blade 208 is two, equal symmetrical installation, and the upper portion of water pipe 204 stretches into pipeline 206 bottom, the left side surface upper portion and the outlet pipe 2012 fixed connection of depositing reservoir 2011, flocculation clarification device 20 accelerates flocculation clarification speed, effectively reduce waste water sewage and flow the corruption of process to the pipeline apparatus that changes, the energy output among the waste water sewage treatment process has been reduced, waste water sewage treatment's area has been reduced simultaneously, and the manual labor output, waste water sewage treatment flow has been shortened greatly, a large amount of capital cost and the time of saving.
In conclusion, wastewater and sewage enter the reaction box I1 through the water inlet pipe 2, the agent A is added through the agent A adding pipe 3, the motor I4 is started, the spiral stirrer I6 is driven by the motor I4 to stir the wastewater and sewage added with the agent A, after the stirring is carried out for one to two hours, the valve I9 is opened, the wastewater and sewage continue to flow into the reaction box II 2 through the filter screen I8, the agent B is added through the agent B adding pipe 11, the motor II 12 is continuously started to drive the spiral stirrer II 14 to stir the wastewater and sewage added with the agent B, after the stirring is carried out for one to two hours, the valve II 17 is opened, wastewater and water flow into the connecting water tank 201 through the filter screen II 16, the flocculating agent is added through the flocculating agent adding pipe 202, the flocculating agent is added through the flocculating agent adding pipe 203, the motor III 2010 is started, simultaneously, the sludge and the wastewater rise, and flocculation in the wastewater and sludge are contacted and, and sinks under the action of gravity to fall into a sludge layer, and clear liquid is left on the upper layer and is discharged through a water outlet pipe 2012.
Claims (4)
1. A wastewater and sewage softening and clarifying method is characterized in that: the method comprises the following steps:
s1, enabling wastewater and sewage to enter the first reaction box (1) through the water inlet pipe (2);
s2, adding the medicament A through the medicament A adding pipe (3), starting the motor I (4), and driving the spiral stirrer I (6) to stir the wastewater and sewage added with the medicament A through the motor I (4);
s3, opening a first valve (9), enabling the wastewater and sewage to continuously flow into a second reaction box (2) through a first filter screen (8), adding a medicament B through a medicament B adding pipe (11), and continuously starting a second motor (12) to drive a second spiral stirrer (14) to stir the wastewater and sewage added with the medicament B;
s4, opening a second valve (17), enabling the wastewater water to flow into a connecting water tank (201) through a second filter screen (16), adding a flocculating agent through a flocculating agent adding pipe (202), and adding a flocculating aid through a flocculating aid adding pipe (203);
s5, starting a motor III (2010), and simultaneously enabling sludge and wastewater to rise, wherein flocculation in the wastewater is contacted and adhered with the sludge, and the sludge sinks under the action of gravity and falls into a sludge layer, and clear liquid is left on the upper layer and is discharged through a water outlet pipe (2012);
the wastewater and sewage softening and clarifying device adopted by the wastewater and sewage softening and clarifying method comprises a first reaction box (1), wherein the left side of the top of the first reaction box (1) is fixedly connected with a water inlet pipe (2), the upper part of the left side surface of the first reaction box (1) is fixedly connected with a medicament A adding pipe (3), a first motor (4) is fixedly arranged in the middle of the left side surface of the first reaction box (1), the output end of the first motor (4) is fixedly connected with a first rotating shaft (5) through a coupler, the first rotating shaft (5) penetrates through the left side of the first reaction box (1), the two ends of the first rotating shaft (5) are rotatably connected with the first reaction box (1) through bearings, a first spiral stirrer (6) is fixedly arranged on the surface of the first rotating shaft (5), a first sewage discharge outlet (7) is arranged at the bottom of the right side surface of the first reaction box (1), and a filter screen (8) is arranged on the right side of, the bottom of the first reaction box (1) is fixedly connected with a second reaction box (10), the right side of the top of the second reaction box (10) is provided with a first valve (9), the upper part of the left surface of the second reaction box (10) is fixedly connected with a medicament B adding pipe (11), the middle part of the left surface of the second reaction box (10) is fixedly provided with a second motor (12), the output end of the second motor (12) is fixedly connected with a second rotating shaft (13) through a shaft coupler, the second rotating shaft (13) penetrates through the left side of the second reaction box (10), the two ends of the second rotating shaft (13) are rotatably connected with the second reaction box (10) through bearings, the second rotating shaft (13) is fixedly provided with a second spiral stirrer (14), the right side of the second reaction box (10) is provided with a second sewage discharge outlet (15), the right side of the bottom surface of the second reaction box (10) is fixedly provided with a second filter screen (16), the right side surfaces of the first reaction box (1) and the second reaction box (10) are fixedly connected with a solid recovery box (18), a partition plate (19) is fixedly arranged in the middle of an inner cavity of the solid recovery box (18), the bottom of the second reaction box (10) is fixedly connected with a flocculation clarification device (20), and the middle parts of the front surfaces of the first reaction box (1) and the second reaction box (10) are movably arranged with an access door (21) through hinges;
the flocculation clarification device (20) comprises a connecting water tank (201), a flocculating agent adding pipe (202), a flocculation assisting agent adding pipe (203), a water pipe (204), a sludge layer (205), a pipeline (206), a support (207), helical blades (208), a rotating shaft three (209), a motor three (2010), a clarification tank (2011) and a water outlet pipe (2012), wherein a valve two (17) is arranged at the top of the right side of the connecting water tank (201), the upper part of the right side surface of the connecting water tank (201) is fixedly connected with the flocculating agent adding pipe (202), the middle part of the right side surface of the connecting water tank (201) is fixedly connected with the flocculation assisting agent adding pipe (203), the top of the connecting water tank (201) is fixedly connected with the clarification tank (2011), the water pipe (204) is fixedly installed at the top of the connecting water tank (201), the bottom of the clarification tank (2011) is penetrated through the water pipe (204), the sludge layer (205) is arranged at the bottom of the clarification tank (, the middle part of the inner cavity of the clarifying box (2011) is fixedly connected with the support (207), the middle part of the surface of the pipeline (206) is fixedly connected with the support (207), the motor III (2010) is installed at the top of the inner cavity of the clarifying box (2011), the output end of the motor III (2010) is fixedly connected with the rotating shaft III (209) through a coupler, the helical blade (208) is fixedly installed on the surface of the rotating shaft III (209), and the upper part of the left side surface of the clarifying box (2011) is fixedly connected with the water outlet pipe (2012); the reaction box I (1) and the reaction box II (10) are of the same specification and model, and the motor I (4) connected with the reaction box I (1) and the motor II (12) connected with the reaction box II (10) are of the same model and have the same power.
2. The method for softening and clarifying wastewater and sewage according to claim 1, wherein: the first spiral stirrer (6) and the second spiral stirrer (14) are of the same specification and model, through holes are formed in the surfaces of the first spiral stirrer (6) and the second spiral stirrer (14), the through holes are uniformly distributed, and the diameter of each through hole is two millimeters; the front and the back of the first reaction box (1), the second reaction box (10) and the flocculation and clarification device (20) are fixedly connected with mounting brackets (22), and the number of the mounting brackets (22) is four.
3. The method for softening and clarifying wastewater and sewage according to claim 2, wherein: the middle parts of the front surfaces of the first reaction box (1) and the second reaction box (10) are movably arranged with an access door (21) through hinges; the installation position of the first filter screen (8) corresponds to the first valve (9) in installation, and the size of the first filter screen (8) is the same as that of the first valve (9).
4. The method for softening and clarifying wastewater and sewage according to claim 3, wherein: the solid recovery box (18) is arranged corresponding to the first sewage draining outlet (7) and the second sewage draining outlet (15), the part above the partition plate (19) arranged in the inner cavity of the solid recovery box (18) corresponds to the first sewage draining outlet (7), and the part below the partition plate (19) corresponds to the second sewage draining outlet (15); the number of the motor III (2010), the number of the water pipe (204), the number of the pipeline (206), the number of the rotating shaft III (209) and the number of the helical blades (208) are two, the two rotating shafts are symmetrically arranged, and the upper part of the water pipe (204) extends into the bottom of the pipeline (206).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747135.XA CN111762925A (en) | 2020-07-29 | 2020-07-29 | Wastewater and sewage softening and clarifying method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747135.XA CN111762925A (en) | 2020-07-29 | 2020-07-29 | Wastewater and sewage softening and clarifying method |
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| CN111762925A true CN111762925A (en) | 2020-10-13 |
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| CN202010747135.XA Withdrawn CN111762925A (en) | 2020-07-29 | 2020-07-29 | Wastewater and sewage softening and clarifying method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723509A (en) * | 2020-12-30 | 2021-04-30 | 安徽中持环境科技有限公司 | Sewage treatment tank |
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2020
- 2020-07-29 CN CN202010747135.XA patent/CN111762925A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723509A (en) * | 2020-12-30 | 2021-04-30 | 安徽中持环境科技有限公司 | Sewage treatment tank |
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