CN119349733B - A system to enhance the stable operation of secondary sedimentation tanks - Google Patents
A system to enhance the stable operation of secondary sedimentation tanksInfo
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- CN119349733B CN119349733B CN202411646950.1A CN202411646950A CN119349733B CN 119349733 B CN119349733 B CN 119349733B CN 202411646950 A CN202411646950 A CN 202411646950A CN 119349733 B CN119349733 B CN 119349733B
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- tank body
- central upright
- fixedly arranged
- secondary sedimentation
- fixedly connected
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (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)
Abstract
本申请公开了一种增强二沉池稳定运行的系统，属于污水处理技术领域，该系统包括池体、固定设置在所述池体内侧上方位置处的出水槽、固定安装在所述池体内并与所述出水槽内侧固定连接的溢流堰、固定设置在所述池体内并与所述溢流堰内侧固定连接的挡板、固定设置在所述池体上的操作平台、转动连接在所述池体内部中心位置处并位于所述操作平台下方位置处的中心立柱、设置在所述中心立柱上用于将所述池体内部底端污泥抽出的抽泥结构。该增强二沉池稳定运行的系统通过设置加药结构，使得可以在抽泥时，还可以同步向池体内添加絮凝剂，提高污泥的沉降效率，有助于减少二沉池内的悬浮物浓度，增强二沉池的稳定性和运行效率。
This application discloses a system for enhancing the stable operation of a secondary sedimentation tank, belonging to the field of wastewater treatment technology. The system includes a tank body, an effluent trough fixedly installed at the upper inner side of the tank body, an overflow weir fixedly installed in the tank body and fixedly connected to the inner side of the effluent trough, a baffle fixedly installed in the tank body and fixedly connected to the inner side of the overflow weir, an operating platform fixedly installed on the tank body, a central column rotatably connected to the center of the tank body and located below the operating platform, and a sludge-removing structure installed on the central column for removing sludge from the bottom of the tank body. This system for enhancing the stable operation of a secondary sedimentation tank, by incorporating a dosing structure, allows for the simultaneous addition of flocculants to the tank body during sludge removal, improving sludge settling efficiency, helping to reduce the suspended solids concentration in the secondary sedimentation tank, and enhancing the stability and operational efficiency of the secondary sedimentation tank.
Description
Technical Field
The application relates to the technical field of sewage treatment, in particular to a system for enhancing the stable operation of a secondary sedimentation tank.
Background
The secondary sedimentation tank is a common treatment unit in a sewage treatment system and is mainly used for further sedimentation of water treated by the primary sedimentation tank and removal of suspended matters remained in the water, in particular to solid particles after flocculation treatment. The stable operation of the secondary sedimentation tank has a crucial influence on the overall performance of the sewage treatment system.
However, the conventional secondary sedimentation tank design is often based on the gravity sedimentation principle only, namely, the density difference of the sludge particles and the water is utilized to gradually sediment the sludge particles to the bottom under the action of gravity. However, in the actual operation process, the sedimentation balance of the sludge particles may be damaged due to the disturbance of the water flow, so that the sludge is suspended in the water and cannot be effectively separated, and secondly, the density, the size and the shape of different sludge particles are greatly different, which may cause the inconsistency of sedimentation velocity, so that the inconsistency not only weakens the integral sedimentation effect, but also reduces the stable operation efficiency of the secondary sedimentation tank.
Accordingly, the present application provides a system for enhancing the stable operation of a secondary sedimentation tank to solve the above-mentioned problems.
Disclosure of Invention
The application provides a system for enhancing stable operation of a secondary sedimentation tank, and aims to solve the problems that the conventional secondary sedimentation tank design proposed in the background art only depends on gravity sedimentation, but the sedimentation effect is different due to water flow disturbance and sludge particle characteristic difference, so that the stable operation efficiency of the secondary sedimentation tank is reduced, and the like.
The system comprises a tank body, a water outlet tank fixedly arranged at the upper position of the inner side of the tank body, an overflow weir fixedly arranged in the tank body and fixedly connected with the inner side of the water outlet tank, a baffle fixedly arranged in the tank body and fixedly connected with the inner side of the overflow weir, an operation platform fixedly arranged on the tank body, a central upright post rotationally connected at the central position of the inner side of the tank body and positioned at the lower position of the operation platform, a mud pumping structure arranged on the central upright post and used for pumping mud at the bottom end of the inner side of the tank body, a scraping plate fixedly connected at the outer side of the central upright post and positioned at the inner side of the baffle and used for scraping scum on the surface of the tank body, and a driving structure arranged on the operation platform and used for driving the central upright post to rotate;
The system also comprises a dosing structure which is arranged on the scraping plate and connected with the driving structure for adding flocculant;
The medicine adding structure comprises a medicine storage barrel arranged at one side of the bottom end of the operation platform, a medicine inlet pipe fixedly arranged at the bottom end of the medicine storage barrel, an injection cylinder fixedly arranged on the scraping plate and communicated with the medicine inlet pipe, a piston transversely moving in the injection cylinder, a push rod transversely penetrating through one side of the injection cylinder close to the central upright post and fixedly connected with the piston, a medicine outlet pipe fixedly arranged at one side of the scraping plate and communicated with one end of the injection cylinder far from the push rod, and a transmission structure arranged between the operation platform and the central upright post and connected with the driving structure for enabling the push rod to reciprocate, wherein the push rod is slidably connected with the injection cylinder;
The system can add flocculating agent into the tank body when pumping mud through the chemical adding structure, the flocculating agent can help the mud particles to gather and settle more quickly, thereby improving the settling efficiency of the mud, the quick settling of the mud is helpful to reduce the suspended solid concentration in the secondary sedimentation tank, and the water quality is kept clear, thereby enhancing the stability and the operation efficiency of the secondary sedimentation tank.
Preferably, in order to facilitate the extraction of sludge at the bottom end inside the tank body so as to maintain the stable operation of the secondary sedimentation tank, the sludge extraction structure comprises a sludge extraction pump fixedly arranged in the central upright column, sludge extraction pipes symmetrically and fixedly arranged at two ends of the sludge extraction pump and penetrating through two sides of the central upright column, and a sludge discharge pipe fixedly arranged at the bottom end inside the tank body and communicated with the bottom ends of the central upright column and the sludge extraction pump, and the sludge extraction pipes are fixedly connected with the central upright column, and the sludge can be efficiently extracted from the bottom of the tank body through the sludge extraction pump fixedly arranged in the central upright column and the sludge extraction pipes symmetrically arranged.
Preferably, in order to improve the sludge extraction effect, the side of the sludge extraction pipe close to the bottom end of the tank body is fixedly connected with branch pipes distributed in a linear array, and the bottom of the tank body can be effectively covered by the design of the branch pipes distributed in the linear array so as to ensure that the sludge at the bottom end of the tank body is extracted.
Preferably, in order to realize the drive of the central upright post, the driving structure comprises a rotary table rotationally connected to the operation platform, a connecting column fixedly connected to the rotary table and fixedly connected with the top end of the central upright post, and a motor fixedly arranged on the operation platform and used for driving the connecting column to rotate, wherein the medicine storage barrel is fixedly connected with one side of the connecting column, and the connecting column and the rotary table are driven by the motor to rotate so as to drive the central upright post and other structures on the central upright post to rotate.
Preferably, in order to transfer the power of the driving structure to the push rod, the transmission structure comprises a driving gear fixedly sleeved on the connecting column and positioned between the operation platform and the central upright column, a transmission gear rotatably arranged at the top end of the central upright column and meshed with one side of the driving gear, a connecting shaft fixedly connected to the transmission gear and rotatably connected with the top end of the central upright column, a rotating wheel fixedly arranged at the top end of the connecting shaft and positioned below the operation platform, an eccentric rod fixedly connected to the rotating wheel and a connecting rod with two ends movably connected with the eccentric rod and one end of the push rod away from the piston respectively, so that the power of the driving structure can be indirectly transferred to the push rod and the impact assembly, the automatic adding of flocculant and the impact of a medicine outlet pipe are realized, the automatic level of a system is improved, and the adding stability and accuracy are ensured.
Preferably, in order to facilitate the synchronous impact of the medicine tube after medicine addition and reduce the residual of the flocculant, the impact assembly comprises a sleeve plate fixedly sleeved on one end of the push rod close to the connecting rod, a connecting frame fixedly arranged on one side of the sleeve plate and positioned on one side of the medicine outlet tube, and an impact plate fixedly arranged on one side of the connecting frame close to the medicine outlet tube, wherein the design not only improves the use efficiency of the flocculant, but also avoids waste caused by the residual.
Preferably, in order to prevent abrasion, a gasket is fixedly arranged on one side of the impact plate, which is close to the medicine outlet pipe, and the gasket is designed, so that abrasion in the impact process can be effectively prevented, and the service lives of the medicine outlet pipe and the impact plate are prolonged.
Preferably, in order to ensure the effect of adding the flocculant, one end of the medicine outlet pipe, which is far away from the injection cylinder, is fixedly provided with a transverse pipe, the bottom end of the transverse pipe is provided with spray holes distributed in a linear array, and the combination design of the transverse pipe and the spray holes distributed in the linear array can enable the flocculant to be sprayed in the tank body more uniformly, so that the flocculation effect is improved.
Preferably, in order to prevent the scum on the surface of the tank body from affecting the use of the spray holes on the transverse pipe, the height of the transverse pipe is half of the height of the scraping plate, so that the scum on the surface of the tank body can be effectively prevented from entering the spray holes, the use of the spray holes is affected, and the addition of the flocculating agent is ensured.
Preferably, in order to facilitate the fixed installation of the scum channel on the tank body, the scum channel is arranged at the bottom of the scraping plate, and an opening for the scum to enter is arranged at one side of the scum channel, which is close to the scraping plate.
According to the system for enhancing the stable operation of the secondary sedimentation tank, the chemical adding structure connected with the driving structure is arranged, so that a flocculating agent can be synchronously added into the tank body during mud pumping, and the flocculating agent can help mud particles to be gathered and settled more quickly, so that the settling efficiency of mud can be improved, the quick settling of mud is helpful for reducing the concentration of suspended matters in the secondary sedimentation tank, and the water quality is kept clear, so that the stability and the operation efficiency of the secondary sedimentation tank are enhanced;
This system of reinforcing secondary sedimentation tank steady operation can be so that through the striking subassembly that sets up to be connected with the push rod pushing piston, makes the flocculating agent in the syringe follow out the pencil and adds to in the cell body after, can also strike out the pencil in step to reduce the residual of flocculating agent, ensure that the dose of adding at every turn all obtains effectively utilizing, further ensures the efficiency that mud subsides.
Drawings
FIG. 1 is a schematic diagram of a system for enhancing stable operation of a secondary sedimentation tank;
FIG. 2 is a cross-sectional view of a system for enhancing the stable operation of a secondary sedimentation tank;
FIG. 3 is a schematic diagram of the structure of a tank in a system for enhancing the stable operation of a secondary sedimentation tank;
FIG. 4 is a schematic diagram of a mud pumping structure in a system for enhancing stable operation of a secondary sedimentation tank;
FIG. 5 is a schematic diagram of the structure of a dosing structure in a system for enhancing the stable operation of a secondary sedimentation tank;
FIG. 6 is a cross-sectional view of a dosing structure in a system for enhancing the stable operation of a secondary sedimentation tank;
FIG. 7 is a schematic view of the impact assembly in a system for enhancing the stable operation of a secondary sedimentation tank;
FIG. 8 is a schematic diagram of the structure of a cross tube in a system for enhancing the stable operation of a secondary sedimentation tank.
In the figure:
1. The device comprises a tank body, a baffle, 12, an overflow weir, 13, a water outlet tank, 14, a scum channel, 141 and an opening;
2. an operating platform;
3. A central upright;
4. The device comprises a mud pumping structure, a 41-degree mud pumping pump, a 42-degree mud pumping pipe, a 421-degree branch pipe, a 43-degree mud discharging pipe;
5. a scraper;
6. a driving structure; 61, a turntable, 62, a connecting column, 63, and a motor;
7. A dosing structure; 71, a medicine storage barrel, 72, a medicine inlet pipe, 73, a syringe, 74, a piston, 75, a push rod, 76, a medicine outlet pipe, 761, a transverse pipe, 7611, a spray hole, 77, a transmission structure, 771, a driving gear, 772, a transmission gear, 773, a connecting shaft, 774, a rotating wheel, 775, an eccentric rod, 776, a connecting rod, 8, an impact assembly, 81, a sleeve plate, 82, a connecting frame, 83, an impact plate, 831 and a gasket.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The embodiment provides a system for enhancing the stable operation of a secondary sedimentation tank, which comprises a tank body 1, a water outlet tank 13 fixedly arranged at the upper position of the inner side of the tank body 1, an overflow weir 12 fixedly arranged in the tank body 1 and fixedly connected with the inner side of the water outlet tank 13, a baffle plate 11 fixedly arranged in the tank body 1 and fixedly connected with the inner side of the overflow weir 12, an operation platform 2 fixedly arranged on the tank body 1, a central upright post 3 rotatably connected at the central position of the inner side of the tank body 1 and positioned at the lower position of the operation platform 2, a sludge pumping structure 4 arranged on the central upright post 3 and used for pumping sludge at the bottom end of the inner side of the tank body 1, a scraping plate 5 fixedly connected at the outer side of the central upright post 3 and positioned at the inner side of the baffle plate 11 and used for scraping scum on the surface of the tank body 1, and a driving structure 6 arranged on the operation platform 2 and used for driving the central upright post 3 to rotate, as shown in fig. 1; the system also comprises a dosing structure 7 which is arranged on the scraping plate 5 and is connected with the driving structure 6 for adding flocculant, wherein the dosing structure 7 comprises a medicine storage barrel 71 which is arranged at one side of the bottom end of the operation platform 2, a medicine inlet pipe 72 which is fixedly arranged at the bottom end of the medicine storage barrel 71, a syringe 73 which is fixedly arranged on the scraping plate 5 and is communicated with the medicine inlet pipe 72, a piston 74 which transversely moves in the syringe 73, a push rod 75 which transversely penetrates through one side of the syringe 73 close to the central upright post 3 and is fixedly connected with the piston 74, a medicine outlet pipe 76 which is fixedly arranged at one side of the scraping plate 5 and is communicated with one end of the syringe 73 far away from the push rod 75, and a transmission structure 77 which is arranged between the operation platform 2 and the central upright post 3 and is connected with the driving structure 6 for enabling the push rod 75 to reciprocate, a push rod 75 is slidably connected to the syringe 73, and an impact assembly 8 for impacting the drug outlet tube 76 is provided at an end of the push rod 75 adjacent to the transmission structure 77.
It can be understood that one end of the medicine outlet pipe 76 far away from the injection cylinder 73 is fixedly provided with a horizontal pipe 761, the bottom end of the horizontal pipe 761 is provided with spray holes 7611 distributed in a linear array, the height of the horizontal pipe 761 is positioned at one half of the height of the scraping plate 5, and the combined design of the horizontal pipe 761 and the spray holes 7611 distributed in the linear array can enable flocculating agents entering the medicine outlet pipe 76 to be sprayed in the pond body 1 more uniformly so as to improve flocculation effect, and meanwhile, due to the design that the height of the horizontal pipe 761 is positioned at one half of the height of the scraping plate 5, scum on the surface of the pond body 1 can be effectively prevented from entering the spray holes 7611, thereby influencing the use of the spray holes 7611 and ensuring the addition and use of flocculating agents.
It should be noted that, the tank body 1 is fixedly provided with a scum channel 14, the scum channel 14 is arranged at the bottom of the scraper 5, and an opening 141 for the scum to enter is arranged at one side of the scum channel 14 near the scraper 5, so that when the scraper 5 passes above the scum channel 14 along with the rotation of the central upright post 3, the scraped scum can be directly pushed into the opening 141 and discharged through the scum channel 14, thereby not only improving the cleaning efficiency of the system, but also being beneficial to maintaining the good running state of the secondary sedimentation tank and avoiding the influence of the scum on the water quality and the sludge treatment effect.
In use, when the system is started, the driving structure 6 drives the central upright 3 to rotate, and along with the rotation of the central upright 3, the scraping plate 5 and the mud pumping structure 4 are driven to synchronously work, wherein the scraping plate 5 scrapes the scum on the water surface of the pool body 1 and pushes the scum into the opening 141 of the scum channel 14, so that the scum is subsequently discharged through the scum channel 14, meanwhile, the mud pumping structure 4 pumps the mud at the bottom of the pool body 1 to keep the pool body 1 clean, however, under the transmission effect of the transmission structure 77, the power of the driving structure 6 is transmitted to the push rod 75, so that the push rod 75 reciprocates in the injection cylinder 73, along with the reciprocating motion of the push rod 75, the piston 74 is driven to move in the injection cylinder 73, when the piston 74 moves towards one end far away from the medicine outlet pipe 76, the flocculant in the medicine storage barrel 71 is sucked into the injection barrel 73 through the medicine inlet pipe 72, when the piston 74 moves towards one end close to the medicine outlet pipe 76, the piston 74 compresses the flocculant in the injection barrel 73 and uniformly sprays the flocculant into the pond body 1 through the medicine outlet pipe 76 and the spray holes 7611 on the transverse pipe 761 so as to accelerate the sedimentation of sludge and maintain the stable operation of the secondary sedimentation tank, in the moving process of the push rod 75, the impacting component 8 continuously impacts the medicine outlet pipe 76, residual flocculant in the medicine outlet pipe 76 is reduced, and meanwhile, the flocculant can be uniformly distributed further, and in the sewage sedimentation process, clear water on the surface of the pond body 1 flows into the water outlet tank 13 through the overflow weir 12 along with the rising of the water level, so that the continuous discharge of clear water is realized.
Specifically, the driving structure 6 includes a turntable 61 rotatably connected to the operation platform 2, a connecting column 62 fixedly connected to the turntable 61 and fixedly connected to the top end of the central upright 3, and a motor 63 fixedly arranged on the operation platform 2 and used for driving the connecting column 62 to rotate, and the medicine storage barrel 71 is fixedly connected to one side of the connecting column 62;
When the central upright 3 needs to be driven to rotate, the motor 63 is started firstly, the motor 63 generates rotation power and transmits the rotation power to the turntable 61 through the output shaft, then, the turntable 61 synchronously drives the connecting column 62 connected with the turntable to rotate, and then the connecting column 62 drives the central upright 3 to rotate, and the medicine storage barrel 71 is connected to the connecting column 62, the scraping plate 5 is connected to the central upright 3, and meanwhile, the injection cylinder 73 is connected to the scraping plate 5, so that when the connecting column 62 drives the central upright 3 to rotate, the whole medicine adding structure 7 and the impact assembly 8 connected to the medicine adding structure 7 synchronously rotate.
Further, the mud pumping structure 4 comprises a mud pumping pump 41 fixedly arranged in the central upright post 3, mud pumping pipes 42 symmetrically and fixedly arranged at two ends of the mud pumping pump 41 and penetrating through two sides of the central upright post 3, and a mud discharging pipe 43 fixedly arranged at the bottom end inside the tank body 1 and communicated with the central upright post 3 and the bottom end of the mud pumping pump 41, wherein the mud pumping pipes 42 are fixedly connected with the central upright post 3.
In order to improve the sludge extraction effect, the side of the sludge extraction pipe 42 near the bottom end of the tank body 1 is fixedly connected with branch pipes 421 distributed in a linear array, and the bottom of the tank body 1 can be effectively covered by the design of the branch pipes 421 distributed in the linear array to ensure that the sludge at the bottom end of the tank body 1 is extracted.
When the mud is required to be pumped, the driving structure 6 and the mud pump 41 are started, at this moment, the central upright post 3 can drive the branch pipe 421 to rotate in the tank body 1, meanwhile, the mud pump 41 can start to work and generate negative pressure or suction, under the suction action of the mud pump 41, the mud at the bottom of the tank body 1 is sucked into the mud pumping pipe 42 through the branch pipe 421, then is conveyed into the mud discharging pipe 43 along the mud pumping pipe 42, and finally is discharged out of the tank body 1 through the mud discharging pipe 43, so that the mud pumping process is completed.
Still further, the transmission structure 77 includes a driving gear 771 fixedly sleeved on the connecting post 62 and located between the operating platform 2 and the central upright 3, a transmission gear 772 rotatably disposed at the top end of the central upright 3 and meshed with one side of the driving gear 771, a connecting shaft 773 fixedly connected to the transmission gear 772 and rotatably connected to the top end of the central upright 3, a rotating wheel 774 fixedly mounted at the top end of the connecting shaft 773 and located at a position below the operating platform 2, an eccentric rod 775 fixedly connected to the rotating wheel 774, and a connecting rod 776 with both ends respectively movably connected to the eccentric rod 775 and one end of the push rod 75 far from the piston 74;
When the motor 63 is started to drive the connecting post 62 to rotate, the connecting post 62 synchronously drives the driving gear 771 connected with the connecting post to rotate, and as the driving gear 771 is meshed with the transmission gear 772, the connecting shaft 773 on the transmission gear 772 synchronously drives the rotating wheel 774 to rotate together with the rotation of the driving gear 771, and as the eccentric rod 775 is connected to the rotating wheel 774, the eccentric rod 775 can eccentrically rotate along with the rotation of the rotating wheel 774, and then, through the connection of the connecting rod 776, the connecting rod 776 can convert the eccentric rotation of the eccentric rod 775 into the reciprocating movement of the push rod 75, so that the push rod 75 synchronously and reciprocally pushes the piston 74 to move under the pushing of the connecting rod 776, and the flocculant adding is realized.
Further, the striking assembly 8 comprises a sleeve plate 81 fixedly sleeved on one end of the push rod 75 close to the connecting rod 776, a connecting frame 82 fixedly arranged on one side of the sleeve plate 81 and positioned on one side of the medicine outlet tube 76, and a striking plate 83 fixedly arranged on one side of the connecting frame 82 close to the medicine outlet tube 76;
when the push rod 75 pushes the piston 74 to move towards one end close to the medicine outlet pipe 76, so that flocculant in the injection cylinder 73 is added into the tank body 1 through the medicine outlet pipe 76, the sleeve plate 81 and the connecting frame 82 can synchronously move towards one side close to the medicine outlet pipe 76, at the moment, the impact plate 83 is driven by the connecting frame 82 to continuously approach the medicine outlet pipe 76, when the push rod 75 pushes the piston 74 to approach one end of the medicine outlet pipe 76, the sleeve plate 81 is contacted with the outer side of the injection cylinder 73, the impact plate 83 can impact with the medicine outlet pipe 76, a certain impact force can be generated under the impact of the impact plate 83, and therefore residual flocculant in the medicine outlet pipe 76 can be promoted to be discharged, and otherwise, when the push rod 75 pushes the piston 74 to move towards one end far away from the medicine outlet pipe 76, the impact plate 83 is synchronously far away from the medicine outlet pipe 76.
In addition, in order to prevent abrasion, a gasket 831 is fixedly arranged on one side of the impact plate 83 close to the medicine outlet pipe 76, and the gasket 831 can effectively prevent abrasion in the impact process, so that the service lives of the medicine outlet pipe 76 and the impact plate 83 are prolonged.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme and the concept of the present application, and should be covered by the scope of the present application.
Claims (7)
1. The system for enhancing the stable operation of the secondary sedimentation tank comprises a tank body (1), a water outlet tank (13) fixedly arranged at the upper position of the inner side of the tank body (1), an overflow weir (12) fixedly arranged in the tank body (1) and fixedly connected with the inner side of the water outlet tank (13), a baffle plate (11) fixedly arranged in the tank body (1) and fixedly connected with the inner side of the overflow weir (12), an operation platform (2) fixedly arranged on the tank body (1), a central upright post (3) rotatably connected at the central position of the inner side of the tank body (1) and positioned at the lower position of the operation platform (2), a sludge pumping structure (4) arranged on the central upright post (3) and used for pumping sludge at the bottom end of the inner side of the tank body (1), a scraping plate (5) fixedly connected with the outer side of the central upright post (3) and positioned at the inner side of the baffle plate (11) and used for scraping the surface of the tank body (1), and a driving structure (6) arranged on the operation platform (2) and used for driving the central upright post (3) to rotate;
The system is characterized by further comprising a dosing structure (7) which is arranged on the scraping plate (5) and is connected with the driving structure (6) for adding flocculant;
The medicine adding structure (7) comprises a medicine storage barrel (71) arranged at one side of the bottom end of the operation platform (2), a medicine inlet pipe (72) fixedly arranged at the bottom end of the medicine storage barrel (71), a syringe (73) fixedly arranged on the scraping plate (5) and communicated with the medicine inlet pipe (72), a piston (74) transversely moving in the syringe (73), a push rod (75) transversely penetrating through one side of the syringe (73) close to the central upright post (3) and fixedly connected with the piston (74), a medicine outlet pipe (76) fixedly arranged at one side of the scraping plate (5) and communicated with one end, far away from the push rod (75), of the syringe (73), and a transmission structure (77) arranged between the operation platform (2) and the central upright post (3) and connected with the driving structure (6) for enabling the push rod (75) to reciprocate, wherein the push rod (75) is slidingly connected to the syringe (73);
an impact assembly (8) for impacting the medicine outlet pipe (76) is arranged at one end of the push rod (75) close to the transmission structure (77);
The mud pumping structure (4) comprises a mud pumping pump (41) fixedly arranged in the central upright post (3), mud pumping pipes (42) symmetrically and fixedly arranged at two ends of the mud pumping pump (41) and penetrating through two sides of the central upright post (3), and a mud discharging pipe (43) fixedly arranged at the bottom end inside the tank body (1) and communicated with the central upright post (3) and the bottom end of the mud pumping pump (41), wherein the mud pumping pipes (42) are fixedly connected with the central upright post (3);
The driving structure (6) comprises a rotary table (61) rotatably connected to the operation platform (2), a connecting column (62) fixedly connected to the rotary table (61) and fixedly connected with the top end of the central upright column (3), and a motor (63) fixedly arranged on the operation platform (2) and used for driving the connecting column (62) to rotate, and the medicine storage barrel (71) is fixedly connected with one side of the connecting column (62);
The transmission structure (77) comprises a driving gear (771) fixedly sleeved on the connecting column (62) and located between the operating platform (2) and the central upright (3), a transmission gear (772) rotatably arranged at the top end of the central upright (3) and meshed with one side of the driving gear (771), a connecting shaft (773) fixedly connected to the transmission gear (772) and rotationally connected with the top end of the central upright (3), a rotating wheel (774) fixedly installed at the top end of the connecting shaft (773) and located at the position below the operating platform (2), an eccentric rod (775) fixedly connected to the rotating wheel (774) and a connecting rod (776) with two ends respectively and movably connected with one end of the piston (74) away from the eccentric rod (775) and the push rod (75).
2. The system for enhancing the stable operation of the secondary sedimentation tank as set forth in claim 1, wherein the side of the mud pumping pipe (42) close to the bottom end inside the tank body (1) is fixedly connected with branch pipes (421) distributed in a linear array.
3. The system for enhancing the stable operation of a secondary sedimentation tank according to claim 1, wherein the impact assembly (8) comprises a sleeve plate (81) fixedly sleeved on one end of the push rod (75) close to the connecting rod (776), a connecting frame (82) fixedly arranged on one side of the sleeve plate (81) and positioned on one side of the medicine outlet pipe (76), and an impact plate (83) fixedly arranged on one side of the connecting frame (82) close to the medicine outlet pipe (76).
4. A system for enhancing stable operation of a secondary sedimentation tank according to claim 3, wherein a gasket (831) is fixedly arranged on one side of the striking plate (83) close to the discharge pipe (76).
5. The system for enhancing the stable operation of a secondary sedimentation tank as set forth in claim 3, wherein a horizontal tube (761) is fixedly installed at one end of the drug outlet tube (76) far away from the injection tube (73), and spray holes (7611) distributed in a linear array are formed at the bottom end of the horizontal tube (761).
6. The system for enhancing the stable operation of a secondary sedimentation tank according to claim 5, wherein the height of the horizontal pipe (761) is located at a half of the height of the scraper (5).
7. The system for enhancing the stable operation of the secondary sedimentation tank as set forth in claim 6, wherein a scum channel (14) is fixedly installed on the tank body (1), the scum channel (14) is disposed at the bottom of the scraper (5), and an opening (141) for the scum to enter is disposed at one side of the scum channel (14) close to the scraper (5).
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212283191U (en) * | 2020-04-07 | 2021-01-05 | 中国市政工程华北设计研究总院有限公司 | Filtering and precipitating coupling novel secondary precipitation tank system based on physicochemical biological synergy |
| CN216106172U (en) * | 2021-11-17 | 2022-03-22 | 重庆市碧海排水有限责任公司 | Small-sized secondary sedimentation tank for sewage treatment |
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| KR200255885Y1 (en) * | 1998-12-30 | 2002-02-20 | 유효연 | Sludge Collector of Circular Settlement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212283191U (en) * | 2020-04-07 | 2021-01-05 | 中国市政工程华北设计研究总院有限公司 | Filtering and precipitating coupling novel secondary precipitation tank system based on physicochemical biological synergy |
| CN216106172U (en) * | 2021-11-17 | 2022-03-22 | 重庆市碧海排水有限责任公司 | Small-sized secondary sedimentation tank for sewage treatment |
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