CN212631869U - Prevent mud device is inhaled to central transmission single tube of sludge deposition - Google Patents
Prevent mud device is inhaled to central transmission single tube of sludge deposition Download PDFInfo
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- CN212631869U CN212631869U CN202021099790.0U CN202021099790U CN212631869U CN 212631869 U CN212631869 U CN 212631869U CN 202021099790 U CN202021099790 U CN 202021099790U CN 212631869 U CN212631869 U CN 212631869U
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Abstract
The utility model discloses a central transmission single-pipe suction mud scraping device for preventing sludge deposition, which comprises a rotary table, wherein the middle part of the rotary table is rotatably arranged at the lower end of a stand column fixedly arranged at the center of a secondary sedimentation tank by virtue of a rotary table bearing, one side of the rotary table extends outwards to be provided with a mud suction pipe for sucking sludge, the inner end of the mud suction pipe is used for discharging the sludge outwards through a first sludge conveying channel, the other side of the rotary table extends outwards to be provided with a balance frame and a mud scraping plate, the upper end of the stand column is provided with a motor and a pedestrian bridge lapped to the edge of the secondary sedimentation tank, and the motor and the rotary table are connected; the water supply device is characterized in that a spray head is further arranged on the outer side of the lower end of the stand column, the spray head is obliquely arranged at the inner side of the upper surface of the counter-rotating table towards the outer lower part in the water outlet direction, and the spray head is connected with a water source through a water inlet pipe. The utility model has the advantages of effectively preventing anaerobic sludge from generating and floating, and ensuring that the sense organs of the surface of the secondary sedimentation tank are cleaner.
Description
Technical Field
The utility model relates to a two sink pond desilting techniques, concretely relates to prevent mud device is inhaled to sedimentary center transmission single tube of mud.
Background
The secondary sedimentation tank, namely a secondary sedimentation tank, is an important component of an activated sludge water treatment process system and mainly has the functions of settling sewage treated by the reaction of the aeration tank, separating sludge, clarifying and concentrating mixed liquor and refluxing activated sludge. The working effect can directly influence the effluent quality and the return sludge concentration of the activated sludge system. The large and medium-sized sewage treatment plants mostly adopt a circular radial flow sedimentation tank for mechanical sludge suction. In such a settling tank, a central transmission single pipe suction dredge is usually adopted to treat the sludge in the settling tank.
The existing center transmission single pipe suction dredge generally comprises a rotary table, the rotary table is rotatably arranged at the lower end of a stand column fixedly arranged at the center of a sedimentation tank by virtue of a lower bearing, a sludge suction pipe used for sucking sludge is outwards extended and arranged on one side of the rotary table, a balance frame is outwards extended and arranged on the other side of the rotary table so as to ensure the rotary balance of the rotary table, the inner end of the sludge suction pipe is outwards arranged with the sludge through a sludge conveying pipeline (or a channel), a motor is arranged at the upper end of the stand column and is erected on an overbridge at the side of the tank, and the motor is in transmission. Therefore, the motor controls the rotary table to rotate, and can drive the sludge suction pipe to rotate to suck away the sludge deposited at the bottom of the sedimentation tank. For example, a central transmission single-pipe suction dredge disclosed in CN203389382U, and an intelligent central transmission single-pipe suction dredge disclosed in CN101306266A, all adopt such structural forms.
However, the secondary sedimentation tank provided with the mud suction machine still has the defects that anaerobic sludge is easy to float upwards and the scum removing effect on the surface of the secondary sedimentation tank is limited.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a can prevent effectively that anaerobism mud from producing and come up, make two heavy pond surface cleaner prevent that mud sedimentary central transmission single tube inhales mud scraping device.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a central transmission single pipe mud sucking and scraping device for preventing sludge deposition comprises a rotary table, wherein the middle part of the rotary table is rotatably arranged at the lower end of an upright post fixedly arranged at the center of a secondary sedimentation tank by virtue of a rotary table bearing, a mud sucking pipe for sucking sludge is outwards extended from one side of the rotary table, the inner end of the mud sucking pipe is outwards arranged through a first sludge conveying channel, a balance frame is outwards extended from the other side of the rotary table, a motor is arranged at the upper end of the upright post and is provided with a pedestrian bridge lapped to the edge of the secondary sedimentation tank, and the motor is connected with the rotary table through a transmission mechanism and is used; the water supply device is characterized in that a spray head is further arranged on the outer side of the lower end of the stand column, the spray head is obliquely arranged at the inner side of the upper surface of the counter-rotating table towards the outer lower part in the water outlet direction, and the spray head is connected with a water source through a water inlet pipe.
The applicant researches and discovers that scum (floating objects, anaerobic sludge and the like) is generated in the secondary sedimentation tank, wherein the anaerobic sludge is generated by anaerobic denitrification reaction of sludge accumulated on the upper surface of the rotary table for a long time, and then the scum is formed by floating under the baking of released nitrogen. The scum overflows and is discharged along with the supernatant of the secondary sedimentation tank, so that the water treatment effect is greatly influenced. Therefore, the applicant creatively adds the spray head at the lower end of the upright post, so that the spray head can spray water to impact the surface of the rotary table and wash away the sludge on the whole upper surface of the rotary table along with the rotation of the rotary table. Thereby avoiding anaerobic floating at the position due to sludge accumulation and improving the sewage sedimentation treatment effect of the secondary sedimentation tank.
Alternatively, a water pump is arranged on the upright post at a position below the water surface of the secondary sedimentation tank, and the water pump is connected with the water inlet pipe to form a water source.
Therefore, the supernatant generated by sludge sedimentation in the secondary sedimentation tank is used as a water source nearby, and the secondary sedimentation tank is very convenient and has a simple structure.
Alternatively, the water inlet pipe is bridged out of the secondary sedimentation tank along the pedestrian bridge and is connected with a reclaimed water pipe network system of a sewage treatment plant, and the reclaimed water pipe network system forms a water source.
Therefore, the reclaimed water is recycled, the reclaimed water pipe network is used for water pressure, a booster pump is not needed, the structure is simpler, and the cost is lower.
Furthermore, the stand is hollow, the lower end of the stand is close to the position of the rotary table, a mounting hole is formed in the position, the spray head is installed in the mounting hole in a sealing mode, the inner end of the spray head is connected with a water inlet pipe, one end of the water inlet pipe is installed inside the stand, the other end of the water inlet pipe penetrates out of the upper end of the stand and then is provided with a control valve, and the water inlet pipe is connected with a reclaimed water pipe network system of a sewage treatment.
Like this, make things convenient for the installation of shower nozzle more, and make things convenient for walking of inlet tube to arrange, can rely on the stand to realize the water proof to the inlet tube, the control valve of setting can conveniently realize controlling the shower nozzle.
Preferably, the suction pipe is of a rectangular pipe structure with upward edges, and mud inlet holes are formed in the front lower side surface of the suction pipe, which faces the rotation direction, at intervals.
Thus, the sludge can be better sucked into the sludge suction pipe.
As optimization, the lower end of the rear lower side surface of the mud suction pipe extends outwards to form an extension section, and the mud inlet hole is located below the front lower side surface and close to the extension section.
Therefore, when the sludge suction pipe rotates to scrape sludge, the sludge can be sucked into the sludge suction pipe by matching with suction force.
Preferably, the turntable is further fixed with a mud suction support arm which is arranged in parallel on the mud suction pipe, and the mud suction support arm is positioned above the rear part of the mud suction pipe and is fixedly connected with the mud suction pipe.
Thus, the stability of the suction pipe can be better supported and ensured.
Furthermore, the mud suction support arm is of a frame body structure with a triangular cross section, and the middle part of one side edge is fixed with the two side surfaces at the rear upper part of the mud suction pipe through a connecting plate extending from the lower front part.
Therefore, the supporting effect of the mud suction support arm on the mud suction pipe can be better improved.
Furthermore, a rotating frame is further arranged around the stand column, the lower end of the rotating frame is fixed on the rotating table, the upper end of the rotating frame is rotatably arranged at the upper end of the stand column through a rotating frame bearing, and two sides of the upper end of the rotating frame are respectively provided with a reinforcing connecting rod which is connected with a mud sucking support arm and a balance frame.
In this way, the stability of the entire device can be better ensured.
Furthermore, the transmission mechanism comprises the rotating frame, and the upper end of the rotating frame is in transmission connection with the output shaft of the motor through a gear mechanism. In particular the prior art, will not be described here.
Therefore, the transmission from the motor to the rotary table can be stably and reliably realized, and meanwhile, the transmission ratio can be adjusted by the gear, so that the rotary table rotates at a required speed.
Further, the first sludge conveying channel is buried at the bottom of the secondary sedimentation tank.
Thus, the sludge is convenient to be conveyed outwards.
The utility model also discloses a prevent mud deposit's center drive single tube and inhale mud scraping device, including a revolving stage, the revolving stage middle part relies on the revolving stage bearing to rotatably install at the fixed stand lower extreme that sets up in two heavy pond center, revolving stage one side is outwards extended and is provided with the suction pipe that is used for absorbing mud, suction pipe inner is arranged outside mud through first sludge conveying channel, the revolving stage opposite side is outwards extended and is provided with the balancing stand, the stand upper end is provided with the motor and has the foot bridge of overlap joint to two heavy pond edges, motor and revolving stage pass through drive mechanism and are used for driving the revolving stage to rotate; the mud-removing device is characterized in that a plurality of mud scrapers are uniformly arranged at the lower end of the balance frame at intervals, the position of each mud scraper is lower than the position of the mud suction pipe, the mud scrapers are integrally vertically arranged, one end of each mud scraper inclines outwards in the front, a mud discharging port is further arranged at the position, close to the rotary table, of the bottom of the secondary sedimentation tank, and the mud discharging port is connected to the outside of the secondary sedimentation tank through a second mud conveying channel buried at the bottom of the secondary sedimentation tank.
Therefore, the sludge suction pipe is used for sucking away sludge with larger activity in the secondary sedimentation tank close to the upper layer, and simultaneously sludge with smaller activity at the bottom of the secondary sedimentation tank can be scraped by the scraper and enters the sludge discharge port to be discharged separately. Therefore, the sludge with different activities on the upper layer and the lower layer can be conveniently treated respectively, and the activated sludge on the upper layer can flow back to a part of the aeration tank in front of the water treatment process to be used as an aerobic active bacteria source. The sludge at the lower layer can be directly dewatered.
Further, the scraping ranges of two adjacent mud scrapers have an overlapped area.
Therefore, the sludge can be more conveniently scraped inwards layer by layer along the circumference of the secondary sedimentation tank and finally scraped into the sludge discharge port.
Furthermore, the end part of the innermost end of the mud scraping plate close to the inner end is provided with a bending part bent towards the rotating direction, and the mud discharging port is positioned in the rotating area range of the bending part. Like this, can rely on the portion of bending to scrape mud into in the mud discharging port by force better.
To sum up, the utility model has the advantages of can effectively prevent that the dross from producing, the sludge removal effect is better.
Drawings
Fig. 1 is a schematic structural diagram of a central transmission single-pipe suction mud scraping device for preventing sludge deposition in an embodiment.
Fig. 2 is a partial structural view of the structure of the middle part of the device of fig. 1.
Fig. 3 is a schematic view of the structure of the individual column and the interior of the turntable in fig. 1.
Fig. 4 is a schematic cross-sectional view of the individual suction dredge in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The best mode is as follows: as shown in fig. 1 to 4, a central transmission single pipe suction mud scraping device for preventing sludge deposition comprises a rotary table 1, the middle part of the rotary table 1 is rotatably mounted at the lower end of an upright post 2 fixedly arranged at the center of a secondary sedimentation tank by virtue of a rotary table bearing, a mud suction pipe 3 for sucking sludge is outwards extended from one side of the rotary table, the inner end of the mud suction pipe 3 discharges sludge outwards through a first sludge conveying channel 16 (the outlet end of the first sludge conveying channel is provided with a pump for providing mud suction power during implementation), a balance frame 4 is outwards extended from the other side of the rotary table, a motor 5 is arranged at the upper end of the upright post 2 and is provided with a pedestrian bridge 6 lapped to the edge of the secondary sedimentation tank, and the motor 5 and the rotary table 1 are connected through a; wherein, 2 lower extreme outsides on the stand still are provided with shower nozzle 7, and 7 play water directions of shower nozzle are to the outside below setting of skew revolving stage upper surface inboard position, and shower nozzle 7 passes through inlet tube 8 and links to each other with the water source.
The scum generated in the secondary sedimentation tank is partially generated by anaerobic denitrification reaction of sludge accumulated on the upper surface of the rotary table for a long time. The scum overflows and is discharged along with the supernatant of the secondary sedimentation tank, so that the water treatment effect is greatly influenced. Therefore, the applicant creatively adds the spray head at the lower end of the upright post, so that the spray head can spray water to impact the surface of the rotary table and wash away the sludge on the whole upper surface of the rotary table along with the rotation of the rotary table. Thereby avoiding anaerobic floating at the position due to sludge accumulation and improving the sewage sedimentation treatment effect of the secondary sedimentation tank.
In this embodiment, the water inlet pipe 8 is connected to the secondary sedimentation tank along the pedestrian bridge 6 and is connected to a reclaimed water pipe network system of a sewage treatment plant, and the reclaimed water pipe network system constitutes a water source. Therefore, the reclaimed water is recycled, the reclaimed water pipe network is used for water pressure, a booster pump is not needed, the structure is simpler, and the cost is lower.
In other embodiments, a water pump can be arranged on the upright post at a position below the water surface of the secondary sedimentation tank, and the water pump is connected with the water inlet pipe to form a water source. Therefore, the supernatant generated by sludge sedimentation in the secondary sedimentation tank is used as a water source nearby, and the secondary sedimentation tank is very convenient and has a simple structure.
In this embodiment, 2 cavity settings of stand and lower extreme are close to the revolving stage position and have seted up the mounting hole, 7 seal installation of shower nozzle are fixed in the mounting hole, and inlet tube 8 is connected to 7 inner of shower nozzle, and 8 one ends of inlet tube are installed inside 2 stands, and install a control valve (not shown in the figure) after the other end is worn out from 2 upper ends of stand to the well water pipe network system who goes out secondary sedimentation tank and sewage treatment plant along the pedestrian bridge meets.
Like this, make things convenient for the installation of shower nozzle more, and make things convenient for walking of inlet tube to arrange, can rely on the stand to realize the water proof to the inlet tube, the control valve of setting can conveniently realize controlling the shower nozzle.
The suction pipe 3 is of a rectangular pipe structure with upward edges, and mud inlet holes 10 are formed in the front lower side face of the suction pipe opposite to the rotation direction at intervals.
Thus, the sludge can be better sucked into the sludge suction pipe.
Wherein, the mud suction pipe 3 back downside lower extreme outwards extends and is formed with one section extension 9, advances mud hole and is located preceding downside below and is close to the extension 9 position.
Therefore, when the sludge suction pipe rotates to scrape sludge, the sludge can be sucked into the sludge suction pipe by matching with suction force.
Wherein, still be fixed with the parallel mud suction support arm 11 that sets up in mud suction pipe 3 on the revolving stage, the mud suction support arm is located mud suction pipe back upper place and with mud suction pipe fixed connection.
Thus, the stability of the suction pipe can be better supported and ensured.
The mud suction support arm 11 is a frame structure with a triangular cross section, and the middle part of one side is fixed with the two sides of the rear upper part of the mud suction pipe through a connecting plate (not shown) extending from the lower part to the front part.
Therefore, the supporting effect of the mud suction support arm on the mud suction pipe can be better improved.
Wherein, the stand 2 still encloses outward and is equipped with the revolving rack 12, and the lower extreme of revolving rack 12 is fixed on revolving stage 1, and the upper end is rotationally installed in stand 2 upper end through the revolving rack bearing, and 12 upper end both sides set up respectively and strengthen the connecting rod and inhale mud support arm 11 and balancing stand 4 and link to each other.
In this way, the stability of the entire device can be better ensured.
Wherein, the transmission mechanism comprises the rotating frame 12, and the upper end of the rotating frame is in transmission connection with the output shaft of the motor through a gear mechanism (not shown in the figure).
Therefore, the transmission from the motor to the rotary table can be stably and reliably realized, and meanwhile, the transmission ratio can be adjusted by the gear, so that the rotary table rotates at a required speed.
Wherein, the first sludge conveying channel 16 is buried at the bottom of the secondary sedimentation tank.
Thus, the sludge is convenient to be conveyed outwards.
Wherein, the lower extreme of balancing stand 4 is provided with polylith mud scraper 17 evenly at an interval, and mud scraper 17 position highly is less than 3 position highly settings of suction pipe, and mud scraper 17 wholly is vertical setting and the outside the place ahead slope of one end, and two heavy pond bottoms of the pool are close to the revolving stage position and still are provided with mud discharging port 19, and mud discharging port 19 is connected to two heavy ponds outsidely through burying underground in the second mud transfer passage 18 of two heavy pond bottoms of the pool.
Therefore, the sludge suction pipe is used for sucking away sludge with larger activity in the secondary sedimentation tank close to the upper layer, and simultaneously sludge with smaller activity at the bottom of the secondary sedimentation tank can be scraped by the scraper and enters the sludge discharge port to be discharged separately. Therefore, the sludge with different activities on the upper layer and the lower layer can be conveniently treated respectively, and the activated sludge on the upper layer can flow back to a part of the aeration tank in front of the water treatment process to be used as an aerobic active bacteria source. The sludge at the lower layer can be directly dewatered.
Wherein the scraping ranges of two adjacent mud scrapers 17 have an overlapping area.
Therefore, the sludge can be more conveniently scraped inwards layer by layer along the circumference of the secondary sedimentation tank and finally scraped into the sludge discharge port. In addition, during implementation, the end part of the innermost end of the mud scraper close to the inner end is provided with a bending part 20 bent towards the rotating direction, and the mud discharging port 19 is positioned in the rotating area range of the bending part 20. Like this, can rely on the portion of bending to scrape mud into in the mud discharging port by force better.
Claims (10)
1. A central transmission single pipe mud sucking and scraping device for preventing sludge deposition comprises a rotary table, wherein the middle part of the rotary table is rotatably arranged at the lower end of an upright post fixedly arranged at the center of a secondary sedimentation tank by virtue of a rotary table bearing, a mud sucking pipe for sucking sludge is outwards extended from one side of the rotary table, the inner end of the mud sucking pipe is outwards arranged through a first sludge conveying channel, a balance frame is outwards extended from the other side of the rotary table, a motor is arranged at the upper end of the upright post and is provided with a pedestrian bridge lapped to the edge of the secondary sedimentation tank, and the motor is connected with the rotary table through a transmission mechanism and is used; the water supply device is characterized in that a spray head is further arranged on the outer side of the lower end of the stand column, the spray head is obliquely arranged at the inner side of the upper surface of the counter-rotating table towards the outer lower part in the water outlet direction, and the spray head is connected with a water source through a water inlet pipe.
2. The central transmission single pipe suction mud scraping device for preventing the mud deposition as claimed in claim 1, wherein the upright post is provided with a water pump at a position below the water surface of the secondary sedimentation tank, and the water pump is connected with the water inlet pipe to form a water source.
3. The central transmission single-pipe sludge suction and scraping device for preventing sludge deposition as claimed in claim 1, wherein the water inlet pipe is bridged out of the secondary sedimentation tank along the pedestrian and is connected with a reclaimed water pipe network system of a sewage treatment plant, and the reclaimed water pipe network system forms a water source.
4. The central transmission single-pipe sludge suction and scraping device for preventing sludge deposition as claimed in claim 3, wherein the upright is hollow and has a mounting hole at the lower end near the turntable, the nozzle is fixed in the mounting hole in a sealing manner, the inner end of the nozzle is connected with the water inlet pipe, one end of the water inlet pipe is arranged in the upright, the other end of the water inlet pipe penetrates out of the upper end of the upright and is provided with a control valve, and the control valve is bridged out of the secondary sedimentation tank along the pedestrian and is connected with a reclaimed water pipe network system of a sewage treatment plant.
5. The central transmission single-pipe sludge suction and scraping device for preventing sludge deposition as claimed in claim 1, wherein the sludge suction pipe is of a rectangular pipe structure with upward edges, and sludge inlet holes are formed on the front lower side surface of the sludge suction pipe opposite to the rotation direction at intervals;
the lower end of the rear lower side surface of the mud suction pipe extends outwards to form an extension section, and the mud inlet hole is located below the front lower side surface and close to the extension section.
6. The central transmission single pipe mud sucking and scraping device for preventing the sludge deposition as claimed in claim 5, wherein a mud sucking arm arranged in parallel with the mud sucking pipe is fixed on the turntable, and the mud sucking arm is positioned at the rear upper part of the mud sucking pipe and fixedly connected with the mud sucking pipe;
the mud suction support arm is of a frame body structure with a triangular cross section, and the middle part of one side edge is fixed with two side surfaces at the rear upper part of the mud suction pipe through a connecting plate extending from the lower front part.
7. The central transmission single pipe mud sucking and scraping device for preventing the sludge deposition as claimed in claim 6, wherein the upright post is further surrounded by a rotating frame, the lower end of the rotating frame is fixed on the rotating platform, the upper end of the rotating frame is rotatably installed on the upper end of the upright post through a rotating frame bearing, and both sides of the upper end of the rotating frame are respectively provided with a reinforcing connecting rod connected with the mud sucking support arm and the balance frame.
8. The central transmission single-pipe sludge suction and scraping device for preventing sludge deposition as claimed in claim 7, wherein the transmission mechanism comprises the rotating frame, and the upper end of the rotating frame is in transmission connection with the output shaft of the motor through a gear mechanism.
9. The central transmission single pipe suction mud scraping device for preventing the mud deposition as claimed in claim 1, wherein the first mud conveying channel is buried at the bottom of the secondary sedimentation tank.
10. A central transmission single pipe mud sucking and scraping device for preventing sludge deposition comprises a rotary table, wherein the middle part of the rotary table is rotatably arranged at the lower end of an upright post fixedly arranged at the center of a secondary sedimentation tank by virtue of a rotary table bearing, a mud sucking pipe for sucking sludge is outwards extended from one side of the rotary table, the inner end of the mud sucking pipe is outwards arranged through a first sludge conveying channel, a balance frame is outwards extended from the other side of the rotary table, a motor is arranged at the upper end of the upright post and is provided with a pedestrian bridge lapped to the edge of the secondary sedimentation tank, and the motor is connected with the rotary table through a transmission mechanism and is used; the device is characterized in that a plurality of mud scrapers are uniformly arranged at the lower end of the balance frame at intervals, the height of the mud scrapers is lower than that of the mud suction pipe, the mud scrapers are integrally vertically arranged, one end of each mud scraper is inclined outwards and forwards, a mud discharge port is further arranged at the position, close to the rotary table, of the bottom of the secondary sedimentation tank, and the mud discharge port is connected to the outside of the secondary sedimentation tank through a second mud conveying channel embedded at the bottom of the secondary sedimentation tank; the scraping ranges of two adjacent mud scrapers have an overlapped area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021099790.0U CN212631869U (en) | 2020-06-15 | 2020-06-15 | Prevent mud device is inhaled to central transmission single tube of sludge deposition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021099790.0U CN212631869U (en) | 2020-06-15 | 2020-06-15 | Prevent mud device is inhaled to central transmission single tube of sludge deposition |
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| Publication Number | Publication Date |
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| CN212631869U true CN212631869U (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021099790.0U Active CN212631869U (en) | 2020-06-15 | 2020-06-15 | Prevent mud device is inhaled to central transmission single tube of sludge deposition |
Country Status (1)
| Country | Link |
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| CN (1) | CN212631869U (en) |
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2020
- 2020-06-15 CN CN202021099790.0U patent/CN212631869U/en active Active
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