CN110585790B - Municipal sewage treatment device and treatment method - Google Patents
Municipal sewage treatment device and treatment method Download PDFInfo
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- CN110585790B CN110585790B CN201910952249.5A CN201910952249A CN110585790B CN 110585790 B CN110585790 B CN 110585790B CN 201910952249 A CN201910952249 A CN 201910952249A CN 110585790 B CN110585790 B CN 110585790B
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- sewage treatment
- sewage
- stirring shaft
- treatment box
- municipal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
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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
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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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a municipal sewage treatment device and a treatment method, belonging to the technical field of sewage treatment, and the technical scheme is characterized by comprising a sewage treatment box, a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are both communicated with the inside of the sewage treatment box, one end of the water outlet pipe communicated with the sewage treatment box is provided with a filter screen, a fishing device is arranged in the sewage treatment box and comprises a stirring shaft arranged in the sewage treatment box, a stirring rod arranged on the periphery of the stirring shaft and a fishing hook arranged on the stirring rod, the sewage treatment box is provided with an openable cover plate, the top of the stirring shaft penetrates through the cover plate and is connected with a motor driving the stirring shaft to rotate, a rotating seat for the rotation of the stirring shaft is arranged below the stirring shaft, and a lifting cylinder driving the rotating seat to lift is arranged below the, can conveniently clear up the sundries with large coverage surfaces such as plastic bags and the like in the sewage.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a municipal sewage treatment device and a treatment method.
Background
With the development of the current society, the environmental pollution is more serious, the pollution to water is more serious, and the sewage treatment device is a device which is arranged on a road and has the functions of drainage and sewage treatment, and plays an important role in the aspects of environmental protection and water resource recycling.
At present, current sewage treatment plant generally includes sewage treatment case, inlet tube and outlet pipe all with the inside intercommunication of sewage treatment incasement portion, the filter screen is installed with the one end of sewage treatment case intercommunication to the outlet pipe. During operation, road sewage enters the sewage treatment box through the water inlet pipe to be purified, and the purified sewage is discharged through the water outlet pipe. Wherein, the filter screen can intercept the debris that adulterate in the sewage, prevents that the phenomenon of outlet pipe from appearing blockking up.
However, when the filtering net intercepts sundries with large covering surfaces such as plastic bags and the like, the filtering holes of the filtering net are easy to plug, and further normal drainage of the water outlet pipe is influenced, so that the sundries accumulated in front of the filtering net need to be fished manually, the time consumed by the manual fishing mode is long, and the sewage treatment efficiency is easy to influence.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a municipal sewage treatment device which can conveniently clean sundries on large coverage surfaces such as plastic bags in sewage.
In order to achieve the purpose, the invention provides the following technical scheme:
a municipal sewage treatment device comprises a sewage treatment box, a water inlet pipe and a water outlet pipe, wherein the water inlet pipe and the water outlet pipe are communicated with the inside of the sewage treatment box, a filter screen is arranged at one end of the water outlet pipe communicated with the sewage treatment box, a fishing device is arranged in the sewage treatment box, the fishing device comprises a stirring shaft arranged in the sewage treatment box, stirring rods arranged on the periphery of the stirring shaft and fishing hooks arranged on the stirring rods, the sewage treatment box is provided with an openable cover plate, the top of the stirring shaft penetrates through the cover plate and is connected with a motor driving the stirring shaft to rotate, a rotating seat for the rotation of the stirring shaft is arranged below the stirring shaft, and a lifting cylinder for driving the rotating seat to lift is arranged below the rotating seat; the fishing hook is obliquely arranged towards the axis direction of the stirring shaft; the fishing hook is movably arranged on the stirring rod, and a torsion spring for driving the fishing hook to move towards the direction of the stirring shaft all the time is arranged in the stirring rod.
The invention is further configured to: the bottom of sewage treatment case has an installation cavity, lift cylinder sets up in the installation cavity, just the piston rod of lift cylinder wear to the sewage treatment incasement with the roating seat bottom is connected.
The invention is further configured to: the sewage treatment box bottom portion is provided with a connecting hole for a piston rod of the lifting cylinder to penetrate through, and a sealing ring located on the outer side of the piston rod of the lifting cylinder is arranged in the connecting hole.
The invention is further configured to: the cover plate covers the upper opening of the sewage treatment box.
The invention is further configured to: still be provided with the filter stone in the sewage treatment case, the outlet pipe sets up on the lateral wall of filter stone below.
The second purpose of the invention is to provide a municipal sewage treatment method which has the advantages of effectively removing impurities and organic pollutants in road sewage and improving sewage treatment efficiency.
In order to achieve the purpose, the invention provides the following technical scheme:
a municipal sewage treatment method comprises the following steps:
s1, filtering: road sewage is conveyed into the sewage treatment box through the water inlet pipe, and the stirring shaft is driven to rotate through the motor;
s2, primary precipitation: introducing the sewage treated by the sewage treatment tank into a sedimentation tank for sedimentation for at least two hours;
s3, pH adjustment: introducing the precipitated water into a pH adjusting tank and neutralizing the pH of the sewage;
s4, aeration treatment: introducing the sewage subjected to pH neutralization into an aeration tank for aeration;
s5, secondary precipitation: and precipitating the sewage after the aeration is finished again to finish the sewage treatment.
The invention is further configured to: an adsorbent is added in the secondary precipitation step, and the adsorbent is selected from at least one of polyaluminium chloride and polyacrylamide.
By adopting the technical scheme, the polyaluminium chloride and the polyacrylamide are water-soluble inorganic high molecular polymers, have strong bridging adsorption performance, can perform physical and chemical processes such as coagulation, adsorption and sedimentation in the hydrolysis process, and can better improve the sedimentation effect.
In summary, the invention has the following advantages:
the stirring shaft is driven to rotate by a motor, the stirring plate rotates along with the stirring shaft, a fishing hook on the stirring rod can hook sundries with large coverage surfaces such as plastic bags and the like in sewage, the filter screen is prevented from being blocked, and when the used sundries are accumulated to a certain degree, a lifting cylinder jacks up the fishing device through a rotating seat, so that the fishing device is convenient to take down and clean;
when the sewage treatment device works, sewage is conveyed into the sewage treatment box through the water inlet pipe, the motor drives the stirring shaft to rotate so as to clean large-volume impurities in the sewage, and the filtering net filters the sewage to remove small-volume impurities; then the filtered sewage is sent into a sedimentation tank by a water outlet pipe, and insoluble impurities are precipitated at the bottom of the sedimentation tank after the filtered sewage is precipitated by the sedimentation tank; then introducing the wastewater into a pH adjusting tank for adjustment, so as to avoid the inactivation of microorganisms in the subsequent aeration tank in an acidic environment; then the sewage is introduced into an aeration tank for aeration treatment, and the sewage after aeration is treated after secondary sedimentation.
Drawings
FIG. 1 is a schematic view of a sewage treatment tank;
fig. 2 is a schematic view of the construction of the stirring rod.
Description of reference numerals: 1. a sewage treatment tank; 11. a cover plate; 12. installing a cavity; 2. a water inlet pipe; 3. a water outlet pipe; 4. a filter screen; 5. fishing the device; 51. a stirring shaft; 52. a stirring rod; 521. a movable groove; 53. fishing the hook; 54. a motor; 55. a rotating base; 6. filtering the stone; 7. and a lifting cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
the utility model provides a municipal administration sewage treatment plant, as shown in figure 1, including sewage treatment case 11, inlet tube 22 and outlet pipe 33 are located the top and the bottom of sewage case respectively, and inlet tube 22 and outlet pipe 33 all communicate with sewage treatment case 11 is inside, be provided with filter stone 6 in the sewage treatment pond, filter screen 44 is installed with the one end of sewage treatment case 11 intercommunication to outlet pipe 33, can intercept the little volume debris of adulteration in the sewage through filter screen 44 and filter stone 6, prevent that the phenomenon of jam from appearing in outlet pipe 33.
Install in sewage treatment case 1 and be used for salvaging fishing device 5 of the bulky debris of piling up in front of filter screen 44, fishing device 5 is including setting up at the inside (mixing) shaft 51 of sewage treatment case 1, set up at the puddler 52 of (mixing) shaft 51 week side and set up the fishhook 53 on puddler 52, sewage treatment case 1 has apron 11 that can open, the top of (mixing) shaft 51 passes apron 11 and is connected and drive (mixing) shaft 51 and carry out rotatory motor 54, be provided with the roating seat 55 that supplies (mixing) shaft 51 rotation setting below (mixing) shaft 51, roating seat 55 below is provided with the lift cylinder 7 that drives roating seat 55 and go up and down, wherein set up the recess on the roating seat 55 and supply (mixing).
As shown in fig. 1 and 2, the stirring rod 52 is provided with a movable groove 521 for hinging the fishing hook 53, a torsion spring (not shown) for driving the fishing hook 53 to incline towards the axial center direction of the stirring shaft 51 is arranged in the stirring rod 52, and during the rotation process of the stirring shaft 51, large-volume sundries can be hooked by the fishing hook 53 and can not be separated from the fishing hook 53 due to the action of centrifugal force.
The sewage treatment box 1 is sunken upwards to form an installation cavity 12, a platform for placing a rotating seat 55 is arranged at the bottom of the sewage treatment box 1 above the installation cavity 12, and the filter stone 6 is placed on the peripheral side of the platform.
The lifting cylinder 7 is arranged in the installation cavity 12, and a piston rod of the lifting cylinder 7 upwards penetrates into the sewage treatment tank 1 and is fixedly connected with the rotating seat 55.
The bottom of the sewage treatment box 1 is provided with a connecting hole for a piston rod of the lifting cylinder 7 to pass through, and a sealing ring positioned on the outer side of the piston rod of the lifting cylinder 7 is arranged in the connecting hole.
The working process and the beneficial effects of the invention are as follows: after sewage lets in sewage treatment case 1, motor 54 drives (mixing) shaft 51 and rotates, and fishhook 53 on the puddler 52 can catch on bulky debris in the sewage, and its use that influences filter screen 4 after using a period, starts lift cylinder 7, and the piston rod of lift cylinder 7 passes through roating seat 55 and jacks up fishing device 5 and apron 11, and the manual work is later cleared up apron 11 and fishing device 5 take off.
Example two:
a municipal sewage treatment method for treating sewage by using the treatment device in the first embodiment comprises the following steps:
s1, filtering: road sewage is conveyed into the sewage treatment box 1 through the water inlet pipe 2, and the stirring shaft 51 of the fishing device 5 is driven to rotate through the motor 54 so as to filter the sewage;
s2, primary precipitation: introducing the sewage treated by the sewage treatment tank 1 into a sedimentation tank for sedimentation for at least two hours;
s3, pH adjustment: introducing the precipitated water into a pH adjusting tank and neutralizing the pH of the sewage;
s4, aeration treatment: introducing the sewage subjected to pH neutralization into an aeration tank for aeration;
s5, secondary precipitation: and precipitating the sewage after the aeration is finished again to finish the sewage treatment.
In the embodiment, the adsorbent is polyaluminium chloride, which is a water-soluble inorganic high molecular polymer and has strong bridging adsorption performance, and in the hydrolysis process, physicochemical processes such as coagulation, adsorption, sedimentation and the like can occur, so that the sedimentation effect can be better improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a municipal administration sewage treatment plant, includes sewage treatment case (1), inlet tube (2) and outlet pipe (3) all with the inside intercommunication of sewage treatment case (1), outlet pipe (3) are provided with filter screen (4), its characterized in that with the one end of sewage treatment case (1) intercommunication: a fishing device (5) is arranged in the sewage treatment box (1), the fishing device (5) comprises a stirring shaft (51) arranged in the sewage treatment box (1), a stirring rod (52) arranged on the periphery of the stirring shaft (51) and a fishing hook (53) arranged on the stirring rod (52), the sewage treatment box (1) is provided with an openable cover plate (11), the top of the stirring shaft (51) penetrates through the cover plate (11) and is connected with a motor (54) driving the stirring shaft (51) to rotate, a rotating seat (55) for the rotation of the stirring shaft (51) is arranged below the stirring shaft (51), and a lifting cylinder (7) driving the rotating seat (55) to lift is arranged below the rotating seat (55); the fishing hook (53) is obliquely arranged towards the axis direction of the stirring shaft (51); the fishing hook (53) is movably arranged on the stirring rod (52), and a torsion spring which drives the fishing hook (53) to move towards the direction of the stirring shaft (51) all the time is arranged in the stirring rod (52).
2. The municipal sewage treatment apparatus of claim 1, wherein: the bottom of the sewage treatment box (1) is provided with an installation cavity (12), the lifting cylinder (7) is arranged in the installation cavity (12), and a piston rod of the lifting cylinder (7) penetrates into the sewage treatment box (1) and is connected with the bottom of the rotating seat (55).
3. The municipal sewage treatment apparatus of claim 2, wherein: the bottom of the sewage treatment box (1) is provided with a connecting hole for a piston rod of the lifting cylinder (7) to pass through, and a sealing ring positioned on the outer side of the piston rod of the lifting cylinder (7) is arranged in the connecting hole.
4. The municipal sewage treatment apparatus of claim 1, wherein: the cover plate (11) covers the upper opening of the sewage treatment box (1).
5. The municipal sewage treatment apparatus of claim 1, wherein: still be provided with filtering stone (6) in sewage treatment case (1), outlet pipe (3) set up on the lateral wall of filtering stone (6) below.
6. A municipal sewage treatment method for treating municipal sewage by using the municipal sewage treatment apparatus according to any one of claims 1 to 5, wherein: the method comprises the following steps:
s1, filtering: road sewage is conveyed into the sewage treatment box (1) through the water inlet pipe (2), and a stirring shaft (51) of the salvaging device (5) is driven to rotate through a motor (54) to filter the sewage;
s2, primary precipitation: introducing the sewage treated by the sewage treatment tank (1) into a sedimentation tank for sedimentation for at least two hours;
s3, pH adjustment: introducing the precipitated water into a pH adjusting tank and neutralizing the pH of the sewage;
s4, aeration treatment: introducing the sewage subjected to pH neutralization into an aeration tank for aeration;
s5, secondary precipitation: and precipitating the sewage after the aeration is finished again to finish the sewage treatment.
7. The municipal sewage treatment method according to claim 6, wherein: an adsorbent is added in the secondary precipitation step, and the adsorbent is selected from at least one of polyaluminium chloride and polyacrylamide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910952249.5A CN110585790B (en) | 2019-10-09 | 2019-10-09 | Municipal sewage treatment device and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910952249.5A CN110585790B (en) | 2019-10-09 | 2019-10-09 | Municipal sewage treatment device and treatment method |
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| Publication Number | Publication Date |
|---|---|
| CN110585790A CN110585790A (en) | 2019-12-20 |
| CN110585790B true CN110585790B (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910952249.5A Active CN110585790B (en) | 2019-10-09 | 2019-10-09 | Municipal sewage treatment device and treatment method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117164176B (en) * | 2023-11-02 | 2024-02-02 | 广东科清环境技术有限公司 | Method for treating mariculture tail water |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360481A (en) * | 2018-03-06 | 2018-08-03 | 陈兴帅 | Polybag refuse collector in a kind of water |
| CN110127952A (en) * | 2019-06-03 | 2019-08-16 | 东莞市颐和园林建设工程有限公司 | A kind of municipal wastewater processing unit and method |
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2019
- 2019-10-09 CN CN201910952249.5A patent/CN110585790B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360481A (en) * | 2018-03-06 | 2018-08-03 | 陈兴帅 | Polybag refuse collector in a kind of water |
| CN110127952A (en) * | 2019-06-03 | 2019-08-16 | 东莞市颐和园林建设工程有限公司 | A kind of municipal wastewater processing unit and method |
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| CN110585790A (en) | 2019-12-20 |
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