CN217479161U - Integrated sewage treatment equipment based on CASS technology - Google Patents
Integrated sewage treatment equipment based on CASS technology Download PDFInfo
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- CN217479161U CN217479161U CN202221811160.0U CN202221811160U CN217479161U CN 217479161 U CN217479161 U CN 217479161U CN 202221811160 U CN202221811160 U CN 202221811160U CN 217479161 U CN217479161 U CN 217479161U
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Abstract
The utility model discloses an integrated sewage treatment device based on CASS technology, which comprises a device body, wherein a holding cavity is arranged in the device body, a partition plate is vertically arranged in the device body to divide the holding cavity into a biological selection area and a reaction area, a cover plate is arranged at the top of the biological selection area to seal the top end of the biological selection area, and a water inlet is arranged on the cover plate to facilitate sewage to enter the biological selection area; a water passing port is formed in the partition plate to communicate the biological selection area with the reaction area, so that sewage in the biological selection area can conveniently enter the reaction area, and an electric gate valve is arranged at the water passing port and used for opening and closing the water passing port; the reaction zone is internally provided with a plurality of aeration disks and a plurality of air pipes, the air pipes are communicated with an air blower arranged on the outer side of the equipment body, all the aeration disks are divided into a plurality of groups and are respectively connected with the corresponding air pipes, and the reaction zone is provided with a water outlet for discharging the treated water body. The equipment has the advantages of small occupied area, high denitrification and descaling efficiency, small residual sludge amount and low maintenance cost.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, in particular to integration sewage treatment device based on CASS technology.
Background
Rural domestic sewage is different from cities, and firstly, the rural domestic sewage is scattered, and domestic sewage generated by households cannot be collected and treated in a centralized manner in a large scale. At present, most rural domestic sewage is directly untreated to cause environmental pollution, or sewage is treated by adopting a laggard methane tank and other methods, the effluent quality is poor, and the first-class A standard of pollutant discharge standard of urban sewage plants cannot be reached; secondly, the amount of sewage in single household in rural areas is small, the change of different time in one day is large, and continuous water outlet cannot be formed.
Most of the existing rural domestic sewage treatment equipment adopts A 2 The O process has the advantages of low nitrogen and phosphorus removal efficiency, large occupied area, complex process, more excess sludge, high later maintenance cost, large sludge internal reflux amount and higher energy consumption.
Disclosure of Invention
The aforesaid that exists to prior art is not enough, the utility model aims at providing an integration sewage treatment device based on CASS technology just, and this equipment area is little, and the denitrogenation descales efficiently, and the excess sludge volume is few, and the maintenance cost is low.
The technical scheme of the utility model is realized like this:
an integrated sewage treatment device based on a CASS (cyclic activated sludge System) process comprises a device body, wherein an accommodating cavity is formed in the device body, a partition plate is vertically arranged in the device body to divide the accommodating cavity into a biological selection area and a reaction area, a cover plate is arranged at the top of the biological selection area to seal the top end of the biological selection area, and a water inlet is formed in the cover plate to facilitate sewage to enter the biological selection area; a water passing port is formed in the partition plate to communicate the biological selection area with the reaction area, so that sewage in the biological selection area can conveniently enter the reaction area, and an electric gate valve is arranged at the water passing port and used for opening and closing the water passing port; the reaction zone is internally provided with a plurality of aeration disks and a plurality of air pipes, the air pipes are communicated with an air blower arranged outside the equipment body, all the aeration disks are divided into a plurality of groups and are respectively connected with the corresponding air pipes, and the reaction zone is provided with a water outlet for discharging the treated water body.
Furthermore, the apron middle part is sunken in order to form big-end-up's taper shape on the apron to the biological selection district, conical lower extreme is located to the water inlet, water inlet department is equipped with one-way sealing film, and the sewage of being convenient for can get into the biological selection district through one-way sealing film, avoids the gaseous one-way sealing film of follow discharge in the biological selection district simultaneously.
Furthermore, the one-way sealing film is composed of four valves, each valve is in a fan shape, the radius of the fan shape is larger than that of the water inlet, the length of the arc-shaped end of each valve is equal to the circumference of the water inlet, the arc-shaped end of each valve is fixed corresponding to the water inlet, and the circle center end of each valve is located on the side of the biological selection area.
Furthermore, the bottom of the biological selection area is provided with an inclined plate, and the lower end of the inclined plate is positioned on the side of the partition plate.
Furthermore, a water level monitor is arranged in the biological selection area and used for monitoring the water level in the biological selection area.
Furthermore, a rotary decanter is arranged in the reaction zone and used for periodically discharging the water body treated in the reaction zone.
The automatic control module is respectively connected with the water level monitor, the electric gate valve, the rotary decanter and the air blower, so that the electric gate valve can be controlled to be opened and closed according to the water level monitored by the water level monitor, and the rotary decanter can be controlled to rotate and the air blower can be controlled to be opened for aeration.
Furthermore, a plurality of sludge collecting hoppers are arranged at the bottom of the reaction area, so that sludge in the reaction area can be collected conveniently, and sludge discharge pipes are connected to the sludge collecting hoppers, so that the sludge in the sludge collecting hoppers can be discharged periodically.
Furtherly, the equipment body outside that corresponds at the delivery port is equipped with the retaining chamber for water after the collection processing is equipped with the drain pipe on the retaining chamber, is used for the water of discharge retaining intracavity.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model forms an anaerobic space in the biological selection area, microorganisms can rapidly adsorb most soluble organic matters in sewage through the rapid transfer mechanism of enzyme and undergo a high-load matrix rapid accumulation process, which plays a good buffer role for the inflow water quality, water quantity, PH and toxic and harmful substances, and plays an inhibiting role for the growth of filamentous fungi, thereby effectively preventing the sludge in the reaction area from expanding; then, the procedures of aeration, reaction, precipitation, water discharge, sludge discharge and standing are carried out in the reaction zone, so that the high-efficiency treatment of the rural domestic sewage is realized.
2. The utility model discloses area is little, and denitrogenation descaling is efficient, and excess sludge volume is few, and the maintenance cost is low. The treatment effect aiming at COD, TP and TN is good, the COD of the effluent can reach below 50mg/L, the total phosphorus effluent is below 0.50mg/L, the total nitrogen of the effluent is below 15.00mg/L, and all effluent quality indexes reach the first-level standard in the discharge standard of pollutants for municipal wastewater treatment plants.
Drawings
Fig. 1-the structure diagram of the present invention.
Fig. 2-top view of the present invention.
Fig. 3-working schematic diagram of the one-way sealing film.
Wherein: 1-a bioselective region; 11-one-way sealing film; 12-a water level monitor; 13-a sloping plate; 14-an electric gate valve; 15-a separator; 2-a placement area; 21-an automatic control module; 22 a-a blower; 22 b-trachea; 22 c-an aeration disc; 3-a reaction zone; 31-rotating decanter; 32-a mud collection hopper; 33-a sludge discharge pipe; 4-a water storage cavity; 41-water outlet pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, an integrated sewage treatment device based on a CASS process comprises a device body, wherein an accommodating cavity is formed in the device body, a partition plate 15 is vertically arranged in the device body to divide the accommodating cavity into a biological selection area 1 and a reaction area 3, a cover plate is arranged at the top of the biological selection area 1 to seal the top end of the biological selection area, and a water inlet is formed in the cover plate to facilitate sewage to enter the biological selection area 1; a water passing port is formed in the partition plate 15 to communicate the biological selection area 1 with the reaction area 3, so that sewage in the biological selection area 1 can conveniently enter the reaction area 3, and an electric gate valve 14 is arranged at the water passing port and used for opening and closing the water passing port; a plurality of aeration discs 22c and a plurality of air pipes 22b are arranged in the reaction zone 3, the air pipes 22b are communicated with an air blower 22a arranged outside the equipment body, all the aeration discs 22c are divided into a plurality of groups and are respectively connected with the corresponding air pipes 22b, and the reaction zone 3 is provided with a water outlet for discharging the treated water body.
When rural sewage is treated, firstly, sewage enters the biological selection area from the water inlet, an anaerobic (anoxic) space is formed in the biological selection area, microorganisms can rapidly adsorb most soluble organic matters in the sewage through a rapid enzyme transfer mechanism and undergo a high-load matrix rapid accumulation process, so that the sewage has a good buffering effect on the quality, quantity, PH and toxic and harmful substances of inlet water, and simultaneously has an inhibiting effect on the growth of filamentous fungi, and then the sewage enters the reaction area to effectively prevent sludge from swelling; and subsequently undergoes a lower load of matrix degradation in the reaction zone.
The air blower blows air to convey gas to the aeration disc through the air pipe, the aeration disc performs aeration reaction on the reaction area, after the aeration is finished, the aeration is stopped, then the system enters the settling time, and after the settling is finished, clear water on the upper portion is discharged through the water outlet.
During specific implementation, the apron middle part is sunken in order to form big-end-up's taper shape on the apron to the biological selection district, conical lower extreme is located to the water inlet, water inlet department is equipped with one-way sealing film 11, and the sewage of being convenient for can get into biological selection district 1 through one-way sealing film 11, avoids the gaseous 11 discharges of one-way sealing film from in the biological selection district 1 simultaneously.
In specific implementation, the one-way sealing film 11 is composed of four valves, each valve is fan-shaped, the radius of the fan-shaped valve is larger than that of the water inlet, the lengths of the arc-shaped ends of the four valves are equally divided into the circumferences of the water inlets, the arc-shaped end of each valve is correspondingly fixed with the water inlet, and the circle center end of each valve is positioned on the side of the biological selection area 1.
As shown in fig. 3, the one-way sealing film works on the principle that when sewage is poured upwards, the sewage extrudes the one-way sealing film downwards to open due to the action of gravity, the sewage flows into the biological selection area, and then the one-way sealing film is closed; when the biological selection area generates gas and the air pressure is greater than the atmospheric pressure, the pressure can press the sealing film from bottom to top, and at the moment, the one-way sealing film can be tightly sealed by extrusion, so that the gas in the biological selection area cannot overflow.
In specific implementation, the bottom of the biological selection area 1 is provided with an inclined plate 13, and the lower end of the inclined plate 11 is positioned on the side of the partition plate. During specific implementation, the inclination angle of the inclined plate is 30-45 degrees, so that when the electric gate valve is opened, sewage in the biological selection area flows to the reaction area due to gravity.
In specific implementation, a water level monitor 12 is arranged in the biological selection area 1 and used for monitoring the water level in the biological selection area 1.
In specific implementation, a rotary decanter 31 is arranged in the reaction zone 2 and is used for periodically discharging the water body treated in the reaction zone 1.
When the rotating decanter is applied, the clarified water on the surface of the settled reaction zone can be discharged out of the reaction zone by the rotating decanter, the rotating decanter consists of a decanting water collecting port and a rotating rod with a water pipe, the rotating rod has a certain angle with the side wall corresponding to the reaction zone, and the rotating rod can rotate within the range of 15-75 degrees, so that the clarified water is sequentially discharged out of the reaction zone from top to bottom.
In specific implementation, the automatic control device further comprises an automatic control module 21, wherein the automatic control module 21 is respectively connected with the water level monitor 12, the electric gate valve 14, the rotary decanter 31 and the air blower 22a, so that the opening and closing of the electric gate valve 14 can be controlled according to the water level monitored by the water level monitor 12, and the rotation of the rotary decanter 31 and the opening of the air blower 22a can be controlled for aeration.
In specific implementation, the bottom of the reaction area 3 is provided with a plurality of mud collecting hoppers 32 for collecting the sludge in the reaction area 2, and the mud discharging pipes 33 are connected to the mud collecting hoppers 32 for discharging the sludge in the mud collecting hoppers 32 periodically.
The mud collecting hopper in the embodiment is in the shape of a quadrangular frustum pyramid with the upper side length of 5-8 cm and the lower part length of 2-4 cm, the height of the quadrangular frustum pyramid is 3-5 cm, the bottom of the quadrangular frustum pyramid is connected with a mud discharging pipe, the pipe diameter of the quadrangular frustum pyramid is 3-6 cm, the mud discharging pipe is used for discharging mud in a mud discharging stage and used as an emptying pipe when the quadrangular frustum pyramid shaped mud collecting hopper needs to be stopped for inspection, and a gate is arranged on the mud discharging pipe and controlled by an automatic control module.
When the water storage device is specifically implemented, the water storage cavity 4 is arranged on the outer side of the device body corresponding to the water outlet and used for collecting the treated water body, and the water storage cavity 4 is provided with the water drainage pipe 41 and used for discharging the water body in the water storage cavity 4.
As can be seen from figure 1, a placing area 2 is arranged below the equipment body, and the automatic control module, the air blower, the mud collecting hopper and the like are arranged in the placing area, so that the placing area and the equipment body form a whole, and a moving pulley can be arranged below the equipment for moving the equipment.
When the device is used for treating rural sewage, the sewage enters the biological selection area from the one-way sealing film, then the one-way sealing film is sealed, an anaerobic (anoxic) space is formed in the biological selection area, microorganisms can rapidly adsorb most soluble organic matters in the sewage through a rapid enzyme transfer mechanism and undergo a high-load matrix rapid accumulation process, so that the device has a good buffering effect on the quality, the quantity, the pH and toxic and harmful substances of inlet water, and simultaneously has an inhibiting effect on the growth of filamentous bacteria, and can effectively prevent sludge in the reaction area from expanding; and subsequently undergoes a lower load of matrix degradation in the reaction zone. The one-way sealing film can also seal the odor and anaerobic odor of sewage in the biological selection area to prevent the odor from dissipating.
At the moment, because rural domestic sewage is not continuously generated and the water quantity does not reach the position of the water level monitor, the electric gate valve is in a closed state, and the sewage stays in the biological selection area. Along with the continuous collection of sewage, when the sewage volume reached water level monitor position, automatic control module will receive the signal and open electric gate valve, with sewage discharge into the reaction zone, and after a period of time, biological selection district and reaction zone liquid level were parallel, electric gate valve will close (or directly through setting for electric gate valve open time, then closed electric gate valve by automatic control module), and biological selection district continues to collect sewage, and the reaction zone will begin to react.
The automatic control module starts the air blower to start air supply, the air blower is conveyed to the aeration disc through the air pipe to carry out aeration reaction on the reaction area, after the aeration is finished, the automatic control module closes the air blower to stop the aeration, then the system enters the settling time, after the settling is finished, the automatic control module controls the rotary decanter to start working, the height of a water collecting opening of the decanter is gradually reduced, clear water of supernatant is slowly collected, the clear water flows into the water storage cavity through the water pipe, and the water storage cavity is discharged through the water drainage pipe.
Every 2 sewage treatment cycles are carried out once, a sludge discharge pipe valve is opened to discharge partial sludge, and the stable and proper sludge amount in the reaction area is ensured. And finishing a sewage treatment cycle, and enabling the reaction area to enter an idle period to wait for next water inlet.
When operation maintenance is needed, the electric gate valve and the sludge discharge pipe can be opened through the automatic control module, and all sewage in the emptying equipment body is overhauled and maintained.
Finally, it should be noted that the above embodiments of the present invention are only examples for illustrating the present invention, and are not limiting the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. It is not exhaustive here for all embodiments. All obvious changes or variations which are introduced by the technical solution of the present invention are still within the scope of the present invention.
Claims (9)
1. The integrated sewage treatment equipment based on the CASS process is characterized by comprising an equipment body, wherein an accommodating cavity is formed in the equipment body, a partition plate is vertically arranged in the equipment body to divide the accommodating cavity into a biological selection area and a reaction area, a cover plate is arranged at the top of the biological selection area to seal the top end of the biological selection area, and a water inlet is formed in the cover plate to facilitate sewage to enter the biological selection area; a water passing port is formed in the partition plate to communicate the biological selection area with the reaction area, so that sewage in the biological selection area can conveniently enter the reaction area, and an electric gate valve is arranged at the water passing port and used for opening and closing the water passing port; the reaction zone is internally provided with a plurality of aeration disks and a plurality of air pipes, the air pipes are communicated with an air blower arranged on the outer side of the equipment body, all the aeration disks are divided into a plurality of groups and are respectively connected with the corresponding air pipes, and the reaction zone is provided with a water outlet for discharging the treated water body.
2. The integrated sewage treatment equipment based on the CASS process as claimed in claim 1, wherein the middle part of the cover plate is recessed towards the biological selection area to form a conical shape with a large top and a small bottom on the cover plate, the water inlet is arranged at the lower end of the conical shape, and the water inlet is provided with a one-way sealing film, so that sewage can enter the biological selection area through the one-way sealing film, and simultaneously gas in the biological selection area is prevented from being discharged from the one-way sealing film.
3. The integrated sewage treatment equipment based on the CASS process as claimed in claim 2, wherein the one-way sealing membrane is composed of four valves, each valve is fan-shaped, the radius of the fan-shaped is larger than that of the water inlet, the lengths of the arc-shaped ends of the four valves are equally divided into the circumference of the water inlet, the arc-shaped end of each valve is correspondingly fixed with the water inlet, and the circle center end of each valve is positioned on the side of the biological selection area.
4. The integrated sewage treatment equipment based on the CASS process as claimed in claim 1, wherein the bottom of the biological selection area is provided with an inclined plate, and the lower end of the inclined plate is positioned on the side of the partition plate.
5. The integrated CASS process-based sewage treatment plant of claim 1, wherein a water level monitor is positioned within the bio-selectable region for monitoring a water level within the bio-selectable region.
6. The integrated sewage treatment equipment based on the CASS process as claimed in claim 5, wherein a rotary decanter is arranged in the reaction zone for periodically discharging the water treated in the reaction zone.
7. The integrated sewage treatment equipment based on the CASS process as claimed in claim 6, further comprising an automatic control module, wherein the automatic control module is respectively connected with the water level monitor, the electric gate valve, the rotary decanter and the blower, so as to control the electric gate valve to open and close according to the water level monitored by the water level monitor, and control the rotary decanter to rotate and control the blower to open for aeration.
8. The integrated sewage treatment equipment based on the CASS process as claimed in claim 1, wherein a plurality of sludge collecting hoppers are arranged at the bottom of the reaction area, so as to collect the sludge in the reaction area, and a sludge discharge pipe is connected to the sludge collecting hoppers, so as to discharge the sludge in the sludge collecting hoppers periodically.
9. The integrated sewage treatment equipment based on the CASS process as claimed in claim 1, wherein a water storage cavity is arranged on the outer side of the equipment body corresponding to the water outlet and used for collecting the treated water, and a water drainage pipe is arranged on the water storage cavity and used for draining the water in the water storage cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221811160.0U CN217479161U (en) | 2022-07-14 | 2022-07-14 | Integrated sewage treatment equipment based on CASS technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221811160.0U CN217479161U (en) | 2022-07-14 | 2022-07-14 | Integrated sewage treatment equipment based on CASS technology |
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| CN217479161U true CN217479161U (en) | 2022-09-23 |
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| CN202221811160.0U Active CN217479161U (en) | 2022-07-14 | 2022-07-14 | Integrated sewage treatment equipment based on CASS technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117430243A (en) * | 2023-11-01 | 2024-01-23 | 湖南中车环境工程有限公司 | Sewage treatment integrated equipment adopting improved CASS-MBBR technology |
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2022
- 2022-07-14 CN CN202221811160.0U patent/CN217479161U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117430243A (en) * | 2023-11-01 | 2024-01-23 | 湖南中车环境工程有限公司 | Sewage treatment integrated equipment adopting improved CASS-MBBR technology |
| CN117430243B (en) * | 2023-11-01 | 2024-03-26 | 湖南中车环境工程有限公司 | Sewage treatment integrated equipment adopting improved CASS-MBBR technology |
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