Settling tank for sewage treatment

Abstract

A sedimentation tank for sewage treatment comprises a sedimentation tank body, a T-shaped water pipe and a material mixing assembly, the sedimentation tank body is communicated with the T-shaped water pipe, the material mixing assembly comprises a feeding assembly, a flow control assembly, a damping power assembly and a power transmission assembly, and the feeding assembly is arranged on the side face of a discharging part of the T-shaped water pipe and communicated with the discharging part of the T-shaped water pipe; the flow control assembly is arranged on the feeding assembly, the execution tail end of the flow control assembly is matched with the discharging end of the feeding assembly, the damping power assembly is matched with the tail end of the feeding portion of the T-shaped water pipe, one end of the power transmission assembly is matched with the power input end of the flow control assembly, and the other end of the power transmission assembly is matched with the power output end of the damping power assembly. The discharging amount of a flocculating agent can be controlled by arranging the flow control assembly, the flowing speed of sewage can be converted into power by arranging the damping power assembly, and the discharging amount of the flow control assembly is controlled by the flowing power of the sewage through the power transmission assembly, so that the mixing proportion of the sewage and the flocculating agent can be ensured by the mixing assembly; the sedimentation efficiency of the sedimentation tank is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a kind of sedimentation tank for sewage treatment. BACKGROUND

[0002] Sedimentation tank is a kind of equipment for water treatment and sewage treatment, main function is to make the suspended solid particles in liquid settle to bottom by gravity, so as to remove. This process is usually combined with the use of flocculant, flocculant is a kind of chemical substance, can promote the aggregation and settlement of solid particles. By neutralizing the charge on the surface of particles, flocculant makes the suspended matter form larger floc, so as to accelerate the settlement and improve the treatment efficiency of sedimentation tank. Combined with the use of sedimentation tank and flocculant, water quality can be significantly improved, and the concentration of suspended matter is reduced, which lays a good foundation for subsequent water treatment process.

[0003] The utility model discloses a kind of high-efficiency mixed flocculant sedimentation tanks with publication No.CN202322935998.1, including water storage tank, inclined pipe, water collecting tank, the bottom of water storage tank is equipped with pollution outlet, lower portion is further connected with inlet pipe, inside is equipped with several inclined pipes, water storage tank is divided into clear water zone, filter zone, sedimentation zone using inclined pipe, wherein, clear water zone is located above inclined pipe, the lower portion of inclined pipe is sedimentation zone, the pipe course of inclined pipe is used as filter zone, inclined pipe two ends connect clear water zone and sedimentation zone;Water collecting tank is fixed in the upper portion of water storage tank, and the upper clear water zone is divided into two parts, wherein, inlet pipe includes upper inlet pipe, cone, lower inlet pipe, third water valve, the lower end of lower inlet pipe is communicated with the bottom of water storage tank, and the upper end is communicated with the bottom of cone;Upper inlet pipe is equipped with third water valve, and the water outlet end thereof extends to the inside of cone. Although the above prior art can mix flocculant and sewage, there is a mixing ratio between sewage and flocculant, and different amounts of sewage correspond to different doses of flocculant. The above prior art is difficult to adjust the dose of flocculant according to the amount of sewage, so that the sedimentation effect is not good. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of sedimentation tank for sewage treatment to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of sedimentation tank for sewage treatment, including sedimentation tank, T-shaped water pipe and mixing assembly, the sedimentation tank is communicated with T-shaped water pipe, wherein:

[0007] The mixing assembly comprises a feeding assembly, a flow control assembly, a damping power assembly and a power transmission assembly, the side of the T-shaped water pipe discharge part is provided with the feeding assembly and the two are communicated, the flow control assembly is arranged on the feeding assembly, the execution end of the flow control assembly is matched with the discharge end of the feeding assembly, the damping power assembly is matched with the end of the T-shaped water pipe feeding part, one end of the power transmission assembly is matched with the power input end of the flow control assembly and the other end is matched with the power output end of the damping power assembly.

[0008] Preferably, the feeding assembly comprises a mounting box, a peristaltic pump, a peristaltic pipe and a storage box, the peristaltic pump is arranged in the mounting box, the peristaltic pump is in contact with the peristaltic pipe, and the storage box is communicated with the T-shaped water pipe through the peristaltic pipe.

[0009] Preferably, the flow control assembly comprises a pressure regulating assembly, a pressure plate assembly and a friction disc, the pressure regulating assembly is arranged in the mounting box, the execution end of the pressure regulating assembly is provided with the pressure plate assembly, the friction disc is arranged above the rotor end of the peristaltic pump and is in contact with the execution end of the pressure plate assembly.

[0010] Preferably, the pressure regulating assembly comprises a T-shaped piston rod, a mounting sleeve and a pressure spring, the T-shaped piston rod is movably matched in the mounting sleeve through the pressure spring, and the character end of the T-shaped piston rod is connected with the power transmission assembly through the groove in the side of the mounting sleeve.

[0011] Preferably, the pressure plate assembly comprises a cylindrical extrusion sleeve and an extrusion rod, the cylindrical extrusion sleeve is arranged on the T-shaped piston rod, one end of the extrusion rod is matched in the cylindrical extrusion sleeve through a spring, and the other end is in contact with the friction disc.

[0012] Preferably, the damping power assembly comprises a water sealing plate, a spring, a switch rod and a direction changing groove, the water sealing plate is movably matched in the end of the T-shaped water pipe feeding part through the spring, the outer diameter of the water sealing plate is the same as the inner diameter of the T-shaped water pipe, one end of the switch rod is connected with the water sealing plate and the other end is provided with the direction changing groove.

[0013] Preferably, the power transmission assembly comprises an L-shaped connecting rod, a sliding block, an inclined groove and a connecting rod, the L-shaped connecting rod is movably arranged in the mounting box in a vertical mode, the sliding block is matched in the mounting box through a sliding groove, the sliding block is internally provided with the inclined groove, one end of the L-shaped connecting rod is connected with the character end of the T-shaped piston rod and the other end is matched in the inclined groove, the connecting rod is movably arranged on the mounting box in a horizontal mode, one end of the connecting rod is matched with the sliding block and the other end is matched with the direction changing groove.

[0014] Preferably, a one-way valve is arranged at the communication position of the peristaltic pipe and the T-shaped water pipe.

[0015] Compared with the prior art, the utility model discloses a sedimentation tank for sewage treatment, can control the discharge amount of flocculating agent through setting flow control component when working, can change the flow rate of sewage into power through setting damping power component, and the power of sewage flow controls flow control component through power transmission component, and then controls the discharge amount of flocculating agent, so that the mixing component can guarantee the mixing ratio of sewage and flocculating agent, and improve the sedimentation efficiency of the sedimentation tank. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is three -dimensional schematic drawing of the whole structure of the utility model;

[0017] Figure 2 It is the inside plan view of mixing component in the utility model;

[0018] Figure 3 It is the inside front view of mixing component in the utility model;

[0019] Figure 4 It is the inside schematic drawing of damping power component in the utility model;

[0020] Figure 5 It is three -dimensional schematic drawing of chute in the utility model. In drawing: 1 sedimentation tank, 2 T-shaped water pipe, 3 mixing component, 31 feeding assembly, 32 flow control component, 33 damping power component, 34 power transmission component, 310 installation box, 311 peristaltic pump, 312 peristaltic tube, 313 storage box, 314 check valve, 321 pressure regulating assembly, 322 pressure plate assembly, 323 friction disc, 331 water sealing plate, 332 spring, 333 switch rod, 334 direction changing groove, 341 L-shaped connecting rod, 342 sliding block, 343 chute, 344 connecting rod, 3211 T-shaped piston rod, 3212 installation sleeve, 3213 pressure regulating spring, 3221 barrel-shaped extrusion sleeve, 3222 extrusion rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment:

[0023] Please refer to Figures 1 to 5 The utility model provides a technical scheme:

[0024] The application discloses a sedimentation tank for sewage treatment, which comprises a sedimentation tank 1, a T-shaped water pipe 2 and a mixing assembly 3, wherein the sedimentation tank 1 is communicated with the T-shaped water pipe 2, and the T-shaped water pipe 2 is used for connecting sewage into the sedimentation tank 1.

[0025] The mixing assembly 3 comprises a feeding assembly 31, a flow control assembly 32, a damping power assembly 33 and a power transmission assembly 34, the feeding assembly 31 is arranged on the side of the discharge part of the T-shaped water pipe 2 and communicated with the T-shaped water pipe 2, the feeding assembly 31 is used for adding flocculating agent into the T-shaped water pipe 2 to mix with sewage, and then the flocculating agent and the sewage are fully mixed through the flow of the sewage in the T-shaped water pipe 2, the flow control assembly 32 is arranged on the feeding assembly 31 and matched with the discharge end of the feeding assembly 31, the flow control assembly 32 is used for controlling the discharge amount of the flocculating agent, the damping power assembly 33 is matched with the end of the feeding part of the T-shaped water pipe 2, the flow of the sewage drives the execution end of the damping power assembly 33 to change the movement amplitude, and the power transmission assembly 34 is matched with the power input end of the flow control assembly 32 at one end and matched with the power output end of the damping power assembly 33 at the other end. The power generated by the damping power assembly 33 is transmitted to the flow control assembly 32 through the power transmission assembly 34, and the flow control assembly 32 controls the discharge amount of the flocculating agent according to the size of the sewage power. The greater the flow of the sewage is, the greater the sewage power is, and the more the discharge amount of the flocculating agent is, and vice versa, so that the discharge amount of the flocculating agent can be controlled according to the flow of the sewage, and the mixing ratio of the sewage and the flocculating agent can be ensured by the mixing assembly 3, and the sedimentation efficiency of the sedimentation tank 1 is improved.

[0026] As a preferred embodiment, the feeding assembly 31 comprises a mounting box 310, a peristaltic pump 311, a peristaltic pipe 312 and a storage box 313, the peristaltic pump 311 is arranged in the mounting box 310, the peristaltic pump 311 is contacted with the peristaltic pipe 312, the rotor end of the peristaltic pump 311 is extruded and matched with the peristaltic pipe 312, and the storage box 313 is communicated with the T-shaped water pipe 2 through the peristaltic pipe 312. The flocculating agent is added into the T-shaped water pipe 2 from the storage box 313 through the peristaltic pump 311 and the peristaltic pipe 312, and then mixed with the sewage.

[0027] As a preferred embodiment, the position, where the peristaltic pipe 312 is contacted with the peristaltic pump 311, is provided with a baffle for limiting displacement of the peristaltic pipe 312 under the action of the peristaltic pump 311, so that the negative pressure pumping effect is ensured.

[0028] As a preferred embodiment, the flow control assembly 32 comprises a pressure regulating assembly 321, a pressure plate assembly 322 and a friction plate 323, the pressure regulating assembly 321 is arranged inside the installation box 310, the execution end of the pressure regulating assembly 321 is provided with the pressure plate assembly 322, the pressure regulating assembly 321 is used to adjust the pressure of the pressure plate assembly 322, the friction plate 323 is arranged above the rotor end of the peristaltic pump 311 and is in extrusion contact with the execution end of the pressure plate assembly 322. The friction plate 323 is in frictional contact with the rotor end of the peristaltic pump 311, the pressure plate assembly 322 is used to press the friction plate 323, by adjusting the friction force between the friction plate 323 and the rotor end of the peristaltic pump 311, the rotation speed of the rotor of the peristaltic pump 311 can be controlled, and then the discharge amount of the flocculating agent can be controlled.

[0029] As a preferred embodiment, the pressure regulating assembly 321 comprises a T-shaped piston rod 3211, a mounting sleeve 3212 and a pressure regulating spring 3213, the T-shaped piston rod 3211 is movably matched in the mounting sleeve 3212 through the pressure regulating spring 3213, the T-shaped piston rod 3211 is in linear movement pair cooperation in the mounting sleeve 3212, and the straight end of the T-shaped piston rod 3211 passes through the groove on the side of the mounting sleeve 3212 and is connected with the power transmission assembly 34. The power transmission assembly 34 can drive the T-shaped piston rod 3211 to move in the vertical direction in the mounting sleeve 3212.

[0030] As a preferred embodiment, the pressure plate assembly 322 comprises a cylindrical extrusion sleeve 3221 and an extrusion rod 3222, the cylindrical extrusion sleeve 3211 is arranged at the end of the T-shaped piston rod 3211 away from the mounting sleeve 3212, the extrusion rod 3222 is movably matched in the cylindrical extrusion sleeve 3221 through the spring at one end, the extrusion rod 3222 is in linear movement pair cooperation in the cylindrical extrusion sleeve 3221, and the other end is in pressing contact with the friction plate 323. The upward movement of the T-shaped piston rod 3211 drives the upward movement of the cylindrical extrusion sleeve 3221, the compression amount of the spring at the end of the extrusion rod 3222 is reduced, the pressure of the pressure plate assembly 322 on the friction plate 323 is reduced, and then the friction force between the friction plate 323 and the rotor end of the peristaltic pump 311 is reduced, so that the rotation speed of the rotor of the peristaltic pump 311 is increased, and the discharge amount of the flocculating agent is increased.

[0031] In a preferred embodiment, the damping power assembly 33 includes a water sealing plate 331, a spring 332, a switch rod 333, and a deflection groove 334. The water sealing plate 331 is movably fitted inside the end of the feed section of the T-shaped water pipe 2 via the spring 332. The water sealing plate 331 moves linearly within the T-shaped water pipe 2. The outer diameter of the water sealing plate 331 is the same as the inner diameter of the T-shaped water pipe 2. A sealing ring is provided between the water sealing plate and the T-shaped water pipe 2. One end of the switch rod 333 is connected to the water sealing plate 331, and the other end has a deflection groove 334. The end of the deflection groove 334 closer to the water sealing plate 331 is higher than the end farther from the water sealing plate 331. When sewage flows, it pushes the switch rod 333 away from the T-shaped water pipe 2, and the deflection groove 334 on the switch rod 333 drives the power transmission assembly 34 to move.

[0032] In a preferred embodiment, the power transmission assembly 34 includes an L-shaped connecting rod 341, a slider 342, a groove 343, and a connecting rod 344. The L-shaped connecting rod 341 is vertically and movably fitted inside the mounting box 310. The slider 342 is fitted inside the mounting box 310 via a groove. The groove 343 is opened inside the slider 342. The end of the groove 343 near the T-shaped water pipe 2 is higher than the end away from the T-shaped water pipe. One end of the L-shaped connecting rod 341 is connected to the straight end of the T-shaped piston rod 3211, and the other end is fitted inside the groove 343. The connecting rod 344 is horizontally and movably fitted on the mounting box 310. One end of the connecting rod 344 is fitted to the slider 342, and the other end is fitted to the deflection groove 334. When the sewage flows, it pushes the switch rod 333 away from the T-shaped water pipe 2. The deflection groove 334 on the switch rod 333 pushes the connecting rod 344 closer to the feeding assembly 31. The connecting rod 344 then pushes the slider 342. The inclined groove 343 inside the slider 342 drives the L-shaped connecting rod 341 to move upward, which in turn drives the T-shaped piston rod 3211 to move upward.

[0033] In a preferred embodiment, a one-way valve 314 is provided at the connection between the peristaltic tube 312 and the T-shaped water pipe 2. By providing the one-way valve 314, sewage cannot flow into the peristaltic tube 312.

[0034] The working principle of this utility model:

[0035] In use, sewage enters from the T-shaped water pipe 2, pushes the water sealing plate 331 to drive the switch rod 333 away from the T-shaped water pipe 2, the switch rod 333 drives the connecting rod 344 to move towards the feeding assembly 31 through the change direction groove 334, the connecting rod 344 drives the sliding block 342, the inner inclined groove 343 of the sliding block 342 drives the L-shaped connecting rod 341 to move upwards, the L-shaped connecting rod 341 drives the T-shaped piston rod 3211 to move upwards, and then drives the cylindrical extrusion sleeve 3221 to move upwards, the compression amount of the spring at the end of the extrusion rod 3222 is reduced, the pressure of the pressure disc assembly 322 on the friction disc 323 is reduced, and then the friction force between the friction disc 323 and the rotor end of the peristaltic pump 311 is reduced, the rotation speed of the rotor of the peristaltic pump 311 is increased, and the discharging amount of the flocculating agent is increased. Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sedimentation tank for sewage treatment, comprising a sedimentation tank (1), a T-shaped water pipe (2) and a mixing assembly (3), wherein the sedimentation tank (1) is communicated with the T-shaped water pipe (2), and characterized in that: the mixing assembly (3) comprises a feeding assembly (31), a flow control assembly (32), a damping power assembly (33) and a power transmission assembly (34), the feeding assembly (31) is arranged on the side of the discharge part of the T-shaped water pipe (2) and communicated with the T-shaped water pipe (2), the flow control assembly (32) is arranged on the feeding assembly (31) and the execution end of the flow control assembly (32) is matched with the discharge end of the feeding assembly (31), the damping power assembly (33) is matched with the end of the feeding part of the T-shaped water pipe (2), and the power transmission assembly (34) is matched with the power input end of the flow control assembly (32) at one end and matched with the power output end of the damping power assembly (33) at the other end.

2. The sedimentation tank for sewage treatment according to claim 1, characterized in that: the feeding assembly (31) comprises a mounting box (310), a peristaltic pump (311), a peristaltic tube (312) and a storage box (313), the peristaltic pump (311) is arranged in the mounting box (310), and the peristaltic pump (311) is in contact with the peristaltic tube (312), wherein the storage box (313) is communicated with the T-shaped water pipe (2) through the peristaltic tube (312).

3. The sedimentation tank for sewage treatment according to claim 2, characterized in that: the flow control assembly (32) comprises a pressure regulating assembly (321), a pressure disc assembly (322) and a friction disc (323), the pressure regulating assembly (321) is arranged in the mounting box (310), the execution end of the pressure regulating assembly (321) is provided with the pressure disc assembly (322), and the friction disc (323) is arranged above the rotor end of the peristaltic pump (311) and in contact with the execution end of the pressure disc assembly (322).

4. The sedimentation tank for sewage treatment according to claim 3, characterized in that: the pressure regulating assembly (321) comprises a T-shaped piston rod (3211), a mounting sleeve (3212) and a pressure regulating spring (3213), the T-shaped piston rod (3211) is movably matched in the mounting sleeve (3212) through the pressure regulating spring (3213), and the character string end of the T-shaped piston rod (3211) passes through the groove in the side of the mounting sleeve (3212) and is connected with the power transmission assembly (34).

5. A sedimentation tank for sewage treatment according to claim 4, characterized in that: the pressure disc assembly (322) comprises a cylindrical extrusion sleeve (3221) and an extrusion rod (3222), the cylindrical extrusion sleeve (3221) is arranged on the T-shaped piston rod (3211), one end of the extrusion rod (3222) is matched in the cylindrical extrusion sleeve (3221) through a spring, and the other end is in contact with the friction disc (323).

6. The sedimentation tank for sewage treatment according to claim 2, characterized in that: the damping power assembly (33) comprises a water sealing plate (331), a spring (332), a switch rod (333) and a direction changing groove (334), the water sealing plate (331) is movably matched in the end of the feeding part of the T-shaped water pipe (2) through the spring (332), the outer diameter of the water sealing plate (331) is same as the inner diameter of the T-shaped water pipe (2), one end of the switch rod (333) is connected with the water sealing plate (331), and the other end is provided with the direction changing groove (334).

7. A sedimentation tank for sewage treatment according to claim 6, characterized in that: The power transmission assembly (34) comprises an L-shaped connecting rod (341), a sliding block (342), an inclined groove (343) and a connecting rod (344), the L-shaped connecting rod (341) is movably matched in the installation box (310), the sliding block (342) is matched in the installation box (310) through a sliding groove, the sliding block (342) is internally provided with the inclined groove (343), one end of the L-shaped connecting rod (341) is connected with a linear end of the T-shaped piston rod (3211), the other end is matched in the inclined groove (343), the connecting rod (344) is movably matched on the installation box (310), one end of the connecting rod (344) is matched with the sliding block (342), the other end is matched with the change direction groove (334).

8. The sedimentation tank for sewage treatment according to claim 6, characterized in that: The peristaltic tube (312) is provided with a one-way valve (314) at a communication position of the T-shaped water pipe (2).

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