A sewage sedimentation and sludge discharge mechanism and sewage sedimentation tank

Abstract

The invention discloses a sewage sedimentation and sludge discharge mechanism, which relates to the technical field of sewage treatment, and is used for sludge discharge in a sedimentation tank, wherein a sedimentation tank is provided at the bottom of the sedimentation tank, and further comprises a dynamic partition, wherein the dynamic partition divides the sedimentation tank into a sludge collecting chamber and a high-pressure water chamber, wherein the sludge collecting chamber is connected to a sludge discharge pump, and an opening and closing mechanism is located at the bottom of the sedimentation tank and is used to cover the sedimentation tank. The invention provides an opening and closing mechanism, wherein when the opening and closing mechanism is in an open state, the sludge collecting chamber is connected to the sedimentation tank, so that the sludge collecting chamber can collect sludge, and when the sludge collecting chamber is covered by the opening and closing mechanism, the high-pressure water chamber is connected to the sedimentation tank, so that the water pressure inside the high-pressure water chamber increases, and at the same time, after the sludge discharge pump discharges the sludge in the sludge collecting chamber, the water pressure in the sludge collecting chamber decreases, and then the pressure difference between the high-pressure water chamber and the sludge collecting chamber is used to push the dynamic partition, so that the dynamic partition pushes the sludge accumulated in the sludge collecting chamber to the sludge discharge pump, and there is no need to drain a large amount of water to flush out the sludge.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, in particular to a sewage sedimentation and sludge discharge mechanism and a sewage sedimentation tank. Background Art

[0002] In the process of wastewater and sewage treatment, it is generally necessary to separate the solids in the sewage. At this time, a sedimentation tank is needed. The working principle of the sedimentation tank is to use the natural sedimentation or coagulation sedimentation of water to remove suspended matter in the water. The sedimentation tank includes horizontal flow sedimentation tank, vertical flow sedimentation tank, radial flow sedimentation tank, new sedimentation tank and horizontal tube sedimentation tank.

[0003] The patent publication number of the existing patent application is: CN217593907U, and the publication date is October 18, 2022. The name of the patent is "A sedimentation tank mud discharge mechanism for sewage treatment". The patent includes a sedimentation tank main body, and a second traction assembly is provided on the upper part of the left outer surface of the sedimentation tank main body, and a first traction assembly is provided on the upper part of the right outer surface of the sedimentation tank main body. A scraper assembly is provided inside the sedimentation tank main body, and mud collecting grooves are provided on the left and right sides of the interior of the sedimentation tank main body. A mud discharge pipe is fixedly installed on the lower part of the outer surface of both ends of the sedimentation tank main body, and one end of the mud discharge pipe goes deep into the bottom of the mud collecting groove. The mud discharge mechanism of a sedimentation tank for sewage treatment described in the utility model is convenient for traction and movement of the scraper assembly through the second traction assembly and the first traction assembly. The structure is simple, easy to drive, and the manufacturing cost is low. Moreover, through the two sets of mud collecting grooves, it is convenient to discharge the sludge into the mud collecting groove when the second traction assembly and the first traction assembly pull the scraper assembly to reciprocate.

[0004] The above application has shortcomings. Generally, a sludge tank is set at the bottom of the horizontal flow sedimentation tank. When too much sludge accumulates in the sedimentation tank, if the sludge pump outside the sludge tank is directly opened for discharge, the sludge and sewage will be directly mixed and discharged. The discharged mud water contains a large amount of water. If the clean water on the sedimentation tank is drained and the sludge at the bottom of the tank is cleaned, a large amount of water is often required for flushing, and the entire cleaning work takes a long time, otherwise the sludge in the sludge tank cannot be completely cleaned. The above two cleaning methods will result in excessive water consumption when discharging sludge, which will increase the processing cost accordingly when implemented. Summary of the invention

[0005] The purpose of the present invention is to provide a sewage sedimentation and sludge discharge mechanism and a sewage sedimentation tank to solve the deficiencies in the above-mentioned prior art.

[0006] In order to achieve the above object, the present invention provides the following technical solutions:

[0007] A sewage sedimentation and sludge discharge mechanism is used for sludge discharge in a sedimentation tank. A sedimentation tank is provided at the bottom of the sedimentation tank, and also includes a dynamic partition. The dynamic partition divides the sedimentation tank into a mud collecting chamber and a high-pressure water chamber. The mud collecting chamber is connected to a mud discharge pump. An opening and closing mechanism is located at the bottom of the sedimentation tank and is used to cover the sedimentation tank. When the opening and closing mechanism is in an open state, the mud collecting chamber is connected to the sedimentation tank. When the opening and closing mechanism is in a completely covered state, the high-pressure water chamber is connected to the sedimentation tank. When the opening and closing mechanism is in the covered state, the pressure difference between the high-pressure water chamber and the mud collecting chamber drives the dynamic partition to push the sludge in the mud collecting chamber to the mud discharge pump.

[0008] Preferably, the opening and closing mechanism includes a slope cover plate and a driving assembly for driving the horizontal movement thereof, and a one-way water inlet valve is vertically provided on the slope cover plate, which is used to connect the sedimentation tank and the high-pressure water chamber when the opening and closing mechanism is in a closed state.

[0009] Preferably, the dynamic partition comprises a partition movably installed in the sedimentation tank, and a one-way filter valve is provided on the partition, which discharges the liquid in the mud collecting chamber into the high-pressure water chamber after the volume of the mud collecting chamber becomes smaller.

[0010] Preferably, a high-pressure nozzle is fixedly embedded on the partition, and an elastic opening and closing part is installed on the side of the high-pressure nozzle close to the mud pump through a torsion spring.

[0011] Preferably, the mud collecting chamber and the mud discharge pump are connected through a mud discharge pipe, a mud scraper ring connected to a dynamic partition is installed in the mud discharge pipe, and a mud chamber is also provided in the mud discharge pipe.

[0012] Preferably, a connecting rod is installed between the high-pressure nozzle and the scraper ring, a limiting piece which is sleeved with the connecting rod is fixedly connected in the mud discharge pipe, and an arc-shaped guide groove which cooperates with the limiting piece is provided on the elastic opening and closing piece. When the high-pressure nozzle is against the pipe mouth of the mud discharge pipe, the scraper ring is pushed into the mud cavity, and the limiting piece entering the arc-shaped guide groove forces the elastic opening and closing piece to rotate to open the high-pressure nozzle.

[0013] Preferably, a notch is provided on the inner wall of the arc-shaped guide groove along the direction of the torsion force of the torsion spring, and when the elastic opening and closing member rotates to open the high-pressure nozzle, the limit member is inserted into the notch.

[0014] Preferably, a water pump is installed in the sedimentation tank, and the water pump is used to connect the sedimentation tank and the high-pressure water chamber. After the opening and closing mechanism is completely closed, it controls the water pump to start.

[0015] Preferably, a liquid level gauge is provided in the sedimentation tank. When the liquid level measured by the liquid level gauge is higher than a preset value, the opening and closing mechanism cannot start the water pump. When the liquid level measured by the liquid level gauge is lower than the preset value, the opening and closing mechanism can normally control the switch of the water pump.

[0016] A sewage sedimentation tank comprises a sedimentation tank with a sedimentation tank, wherein a plurality of V-shaped grooves are arranged in the sedimentation tank.

[0017] In the above technical solution, an opening and closing mechanism is provided. When the opening and closing mechanism is in an open state, the mud collecting chamber is connected with the sedimentation tank, so that the mud collecting chamber can collect sludge. When the mud collecting chamber is covered by the opening and closing mechanism, the high-pressure water chamber is connected with the sedimentation tank, so that the water pressure inside the high-pressure water chamber increases. At the same time, after the mud discharge pump discharges the sludge in the mud collecting chamber, the water pressure in the mud collecting chamber decreases. Then, the pressure difference between the high-pressure water chamber and the mud collecting chamber is used to push the dynamic partition, so that the dynamic partition pushes the remaining sludge in the mud collecting chamber to the mud discharge pump. There is no need to drain a large amount of water to flush away the sludge. The water content in the sludge is less, which reduces the waste of water resources and reduces the treatment cost.

[0018] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0019] This application document provides an overview of various implementations or examples of the technology described in the present disclosure, and is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure of a sewage sedimentation and sludge discharge mechanism and a sewage sedimentation tank of the present invention;

[0022] Figure 2 It is a schematic diagram of the internal structure of a sewage sedimentation and sludge discharge mechanism and a sedimentation tank in a sewage sedimentation tank of the present invention;

[0023] Figure 3 It is a cross-sectional view of a sewage sedimentation and sludge discharge mechanism and a sewage sedimentation tank of the present invention;

[0024] Figure 4 It is an enlarged view of point A of a sewage sedimentation and sludge discharge mechanism and a sewage sedimentation tank of the present invention;

[0025] Figure 5 It is a schematic diagram of the connection between the high-pressure nozzle and the limiter in a sewage sedimentation and sludge discharge mechanism of the present invention;

[0026] Figure 6 It is a structural schematic diagram of an elastic opening and closing member in a sewage sedimentation and sludge discharge mechanism of the present invention;

[0027] Figure 7 It is a structural schematic diagram of a high-pressure nozzle in a sewage sedimentation and sludge discharge mechanism of the present invention;

[0028] Figure 8 It is a schematic diagram of the distribution of water pump pipelines in a sewage sedimentation and sludge discharge mechanism of the present invention;

[0029] Fig. 9 The present invention is a schematic structural diagram of a sewage sedimentation tank.

[0030] Description of reference numerals:

[0031] 1. Sedimentation tank; 101. Sedimentation tank; 102. Mud collecting chamber; 103. High-pressure water chamber; 104. V-shaped groove; 105. Socket; 106. One-way connecting channel; 107. Movable groove; 108. Cavity; 109. Connecting rod; 2. Dynamic separator; 201. Partition plate; 202. One-way filter valve; 3. Mud pump; 301. Mud pipe; 302. Temporary storage chamber; 4. Opening and closing mechanism; 401. Slope cover plate; 402. One-way water inlet valve; 403. Rack; 404. Accommodating tank; 5. Driving assembly; 501. Frame; 502. Shaft; 503. Gear; 504. Motor; 6. High-pressure nozzle; 601. Conical water spray hole; 602, spiral booster groove; 603, sealing ring; 7, elastic opening and closing member; 701, torsion spring; 702, arc guide groove; 703, notch; 704, screw cover; 705, collar; 706, through hole; 8, scraper ring; 801, connecting rod; 9, limit member; 901, limit sleeve; 902, stop rod; 10, water pump; 1001, suction pipe; 1002, water inlet pipe; 1003, discharge pipe; 1004, water outlet; 1005, one-way electric control valve; 1006, touch switch; 11, liquid level meter; 1101, floating plate; 1102, guide rod; 1103, groove; 12, sludge flow sensor; 13, abutment member. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0033] See also Figure 1-9, a sewage sedimentation and sludge discharge mechanism provided in an embodiment of the present invention is used for sludge discharge in a sedimentation tank 1. A sedimentation tank 101 is provided at the bottom of the sedimentation tank 1. There are two sedimentation tanks 101, which are respectively arranged on both sides of the bottom of the sedimentation tank 1. The mechanism also includes a dynamic partition 2. The dynamic partition 2 divides the sedimentation tank 101 into a mud collecting chamber 102 and a high-pressure water chamber 103. The mud collecting chamber 102 is connected to a mud discharge pump 3. An opening and closing mechanism 4 is located at the bottom of the sedimentation tank 1 and is used to cover the sedimentation tank 101. When the opening and closing mechanism 4 is in an open state, the mud collecting chamber 102 is connected to the sedimentation tank 1. When the opening and closing mechanism 4 is in a completely covered state, the high-pressure water chamber 103 is connected to the sedimentation tank 1. When the opening and closing mechanism 4 is in a covered state, the pressure difference between the high-pressure water chamber 103 and the mud collecting chamber 102 drives the dynamic partition 2 to push the sludge in the mud collecting chamber 102 to the mud discharge pump 3.

[0034] Specifically, the sedimentation tank 101 is divided into a mud collecting chamber 102 and a high-pressure water chamber 103 by a dynamic partition 2. The opening and closing mechanism 4 will cause the dynamic partition 2 to move accordingly after opening and closing. However, the dynamic partition 2 will always separate the high-pressure water chamber 103 from the sedimentation tank 1 when moving. When the opening and closing mechanism 4 is opened, the mud collecting chamber 102 is opened and connected with the sewage in the sedimentation tank 1, so that the sludge precipitated in the sewage can gather and fall into the mud collecting chamber 102, which is convenient for centralized discharge. The high-pressure water chamber 103 is blocked by the opening and closing mechanism 4 and the dynamic partition 2 to avoid being connected with the sedimentation tank 1, thereby preventing the sludge from entering the high-pressure water chamber 103 during normal sedimentation. When the opening and closing mechanism 4 is opened, the mud pump 3 in the shutdown state plays a blocking role to avoid sewage leakage in the sedimentation tank 1 and ensure the effect of static sedimentation. When the cover is closed, the mud collecting chamber 102 is prevented from continuing to communicate with the sedimentation tank 1, so that the mud collecting chamber 102 forms a separate space, and the high-pressure water chamber 103 is connected to the sedimentation tank 1, and at this time the dynamic partition 2 can move freely in the sedimentation tank 101. Since the high-pressure water chamber 103 is connected to the sedimentation tank 1, the water pressure inside the high-pressure water chamber 103 suddenly increases, and since the mud collecting chamber 102 and the sedimentation tank 1 are no longer connected, when the mud discharge pump 3 discharges the sludge in the mud collecting chamber 102, the water pressure in the mud collecting chamber 102 decreases, and the dynamic partition 2 is pushed by the pressure difference between the high-pressure water chamber 103 and the mud collecting chamber 102, so that the dynamic partition 2 pushes the sludge that is not fully discharged in the mud collecting chamber 102 to the mud discharge pump 3. Since the mud collecting chamber 102 and the sedimentation tank 1 are not connected during mud discharge, the precipitated sludge can be prevented from squeezing back into the sedimentation tank 1.

[0035] Compared with the prior art, the embodiment of the present invention sets an opening and closing mechanism 4. When the opening and closing mechanism 4 is in an open state, the mud collecting chamber 102 is connected with the sedimentation tank 1, so that the mud collecting chamber 102 can collect sludge. When the mud collecting chamber 102 is covered by the opening and closing mechanism 4, the high-pressure water chamber 103 is connected with the sedimentation tank 1, so that the water pressure inside the high-pressure water chamber 103 increases. At the same time, after the mud discharge pump 3 discharges the sludge in the mud collecting chamber 102, the water pressure in the mud collecting chamber 102 decreases, and then the pressure difference between the high-pressure water chamber 103 and the mud collecting chamber 102 is used to push the dynamic partition 2, so that the dynamic partition 2 pushes the sludge accumulated in the mud collecting chamber 102 to the mud discharge pump 3. There is no need to drain a large amount of water to flush away the sludge, and the water content in the sludge is relatively low, thereby reducing the waste of water resources and reducing the processing cost.

[0036] In a further embodiment, the opening and closing mechanism 4 includes a slope cover plate 401 for covering the sedimentation tank 101 and a driving assembly 5 for driving the slope cover plate 401 to move horizontally on the bottom of the pool. The bottom surface of the slope cover plate 401 is slidably connected to the bottom of the sedimentation tank 1. The driving assembly 5 includes a frame 501 installed in the sedimentation tank 1. Both sides of the bottom of the frame 501 are equipped with shafts 502, which are connected to the motor 504. Both ends of the shaft 502 are fixedly connected with gears 503. The top surface of the slope cover plate 401 is symmetrically equipped with gears 503 that are symmetrical with the gears. The inner wall of the sedimentation tank 1 is provided with a socket 105 for the slope cover plate 401 to completely cover the sedimentation tank 101, and a one-way water inlet valve 402 is vertically provided on the slope cover plate 401, which is used to connect the sedimentation tank 1 and the high-pressure water chamber 103 when the opening and closing mechanism 4 is in the closed state. Specifically, when the motor 504 drives the shaft 502 to rotate, the gear 503 and the rack 403 are engaged, which will drive the slope cover plate 401 to move on the bottom of the sedimentation tank 1. When the slope cover plate 401 is opened, the mud collecting chamber 102 is in an open state, while the high-pressure water chamber 103 is covered. At the same time, the bottom of the one-way water inlet valve 402 is against the bottom of the pool. The mud collecting chamber 102 is connected with the sedimentation tank 1, so that the sludge settled in the sewage can directly fall into the mud collecting chamber 102. When the slope cover plate 401 is completely covered on the entire sedimentation tank 101, one side of it is inserted into the socket 105 reserved on the sedimentation tank 1, so that a closed space is formed inside the mud collecting chamber 102. At this time, the mud discharge pump 3 is started to extract the sludge, so that the water pressure in the mud collecting chamber 102 becomes smaller, and the one-way water inlet valve 402 is closed. At this time, the water valve 402 is just above the high-pressure water chamber 103. The water in the sedimentation tank 1 continuously enters the high-pressure water chamber 103 through the one-way water inlet valve 402, and then uses the pressure difference between the high-pressure water chamber 103 and the mud collecting chamber 102 to push the dynamic partition 2, so that the dynamic partition 2 pushes the sludge accumulated in the mud collecting chamber 102 to the mud discharge pump 3, gradually compressing the internal space of the mud collecting chamber 102 until the sludge is completely discharged. There is no need to drain a large amount of water to flush away the sludge, and the water content in the sludge is less, which reduces the waste of water resources and reduces the treatment cost.

[0037] In a further embodiment, the dynamic partition 2 includes a partition 201 movably installed in the sedimentation tank 101, a slide groove is symmetrically opened on one side of the bottom of the slope cover 401, and a slider matching the slide groove is fixedly connected to the top of the partition 201. When the slope cover 401 is opened, the dynamic partition 2 is always connected to the opening and closing mechanism 4 under the limit of the slider, and the bottom of the partition 201 is against the bottom of the sedimentation tank 101. A one-way filter valve 202 is provided on the partition 201, which passes the liquid in the mud collecting chamber 102 through the filter after the internal space of the mud collecting chamber 102 is compressed. After filtration, the sludge is discharged into the high-pressure water chamber 103. Specifically, the partition 201 always separates the high-pressure water chamber 103 and the mud collecting chamber 102. The one-way filter valve 202 on the partition 201 prevents the water in the high-pressure water chamber 103 from entering the mud collecting chamber 102. However, when the dynamic partition 2 squeezes the mud collecting tank, part of the sewage in the mud collecting tank can be squeezed into the high-pressure water chamber 103. Since the sludge can be discharged without using the water in the mud collecting chamber 102, part of the sewage in the mud collecting chamber 102 can be recycled to minimize unnecessary waste of water resources.

[0038] In a further embodiment, a high-pressure nozzle 6 is fixedly embedded on the partition 201, and a plurality of conical water spray holes 601 are provided in the high-pressure nozzle 6, and a spiral pressurizing groove 602 is provided on the inner wall of the conical water spray hole 601. An elastic opening and closing member 7 is installed on a side of the high-pressure nozzle 6 close to the mud pump 3 through a torsion spring 701. The elastic opening and closing member 7 includes a rotary cover 704 rotatably connected to the high-pressure nozzle 6, and the torsion spring 701 is located between the high-pressure nozzle 6 and the rotary cover 704. A through hole 706 corresponding to the conical water spray hole 601 is provided on the rotary cover 704. A sealing ring 603 is also provided on the high-pressure nozzle 6. The high-pressure nozzle 6 is dynamically sealed by the sealing ring 603 and the rotary cover 704. Specifically, The conical water spray holes 601 are distributed in a circular array on the high-pressure nozzle 6. The high-pressure nozzle 6 can eject the water in the high-pressure water chamber 103, and the conical water spray holes 601 and the spiral pressurizing grooves 602 opened in the holes can increase the force of the water column spraying and improve the flushing effect. However, when the opening and closing mechanism 4 is opened, the rotary cover 704 will be in the first state of covering the high-pressure nozzle 6 under the elastic force of the torsion spring 701. The conical water spray holes 601 on the high-pressure nozzle 6 and the through holes 706 on the rotary cover 704 are staggered with each other to avoid the problem of pressure relief when the high-pressure water chamber 103 and the sedimentation tank 1 are connected, so that the water pressure in the high-pressure water chamber 103 can stably push the dynamic partition 2.

[0039] In a further embodiment, the mud collecting chamber 102 and the mud discharge pump 3 are connected through the mud discharge pipe 301, the mud discharge pipe 301 and the high-pressure nozzle 6 are on the same horizontal line, the outer diameter of the sealing ring 603 matches the diameter of the mud discharge pipe 301, and a one-way communication channel 106 is provided between the socket 105 and the mud discharge pipe 301. A scraper ring 8 connected to the dynamic partition 2 is installed in the mud discharge pipe 301, and the outer peripheral surface of the scraper ring 8 is completely in contact with the inner wall of the mud discharge pipe 301. A temporary storage chamber 302 is also provided in the mud discharge pipe 301, and the temporary storage chamber 302 is larger than the diameter of the mud discharge pipe 301. Specifically, after the opening and closing mechanism 4 is closed, the dynamic partition 2 will eventually The scraper ring 8 is moved into the temporary storage chamber 302, and the sealing ring 603 on the high-pressure nozzle 6 will be embedded in the pipe mouth of the mud discharge pipe 301. When the dynamic partition 2 squeezes the sludge in the mud collecting chamber 102 into the mud discharge pipe 301 and the temporary storage chamber 302, the scraper ring 8 pushes the sludge adhering to the wall of the mud discharge pipe 301 to facilitate the mud discharge pump 3 to quickly pump out the mud. The one-way connecting channel 106 is used to allow part of the water in the sedimentation tank 1 to rush into the mud discharge pipe 301 through the connecting channel before the opening and closing mechanism 4 is fully opened, so as to further flush the sludge in the mud discharge pipe 301 to avoid the squeezed sludge from agglomerating, and ensure that it can be completely cleaned when the mud is discharged again later.

[0040] In a further embodiment, a connecting rod 801 is installed between the high-pressure nozzle 6 and the scraper ring 8, the dynamic partition 2 and the scraper ring 8 are connected by the connecting rod 801, a limiting member 9 sleeved with the connecting rod 801 is fixedly connected in the mud discharge pipe 301, and an arc-shaped guide groove 702 matching with the limiting member 9 is provided on the elastic opening and closing member 7. When the high-pressure nozzle 6 is against the pipe mouth of the mud discharge pipe 301, the scraper ring 8 is pushed into the temporary storage cavity 302, and the limiting member 9 entering the arc-shaped guide groove 702 forces the elastic opening and closing member 7 to rotate to open the high-pressure nozzle 6. Specifically, the limiting member 9 includes a limiting sleeve 901, a blocking rod 902 is installed between the limiting sleeve 901 and the mud discharge pipe 301, and a collar 705 is fixedly connected to one side of the rotary cover 704, and arc-shaped guide grooves 702 for the blocking rod 902 to enter are respectively provided on both sides of the collar 705. The twisting direction of the guide groove 702 is opposite. When the blocking rod 902 is about to enter the arc guide groove 702, the limiting sleeve 901 will enter the inside of the sleeve ring 705. In the process of the blocking rod 902 completely entering the arc guide groove 702, the rotary cover 704 is forced to rotate to the second state where the through hole 706 and the conical water spray hole 601 on the high-pressure nozzle 6 are connected to open the high-pressure nozzle 6, and the sludge in the mud discharge pipe 301 and the sludge on the mud scraper ring 8 are washed away by the high-pressure water column. The mud scraper ring 8 is suspended in the temporary storage chamber 302 and can be cleaned under the flushing of sewage. The outer diameter of the sealing ring 603 matches the diameter of the mud discharge pipe 301. When the high-pressure nozzle 6 is against one end of the mud discharge pipe 301, the sealing ring 603 on the high-pressure nozzle 6 will be embedded in the pipe mouth of the mud discharge pipe 301, and sealed during flushing to prevent the sludge from being washed back into the sedimentation tank 101.

[0041] In a further embodiment, a sludge flow sensor 12 for monitoring the sludge content is embedded in the inner wall of one end of the sludge discharge pipe 301 close to the sludge collecting chamber 102, which is electrically connected to the drive assembly 5 to control the switch of the opening and closing mechanism 4, and when the opening and closing mechanism 4 is opened, the sludge flow sensor 12 can monitor the sludge in the sludge collecting chamber 102, and when the opening and closing mechanism 4 is closed, the sludge flow sensor 12 can monitor the sludge content in the sludge discharge pipe 301. Specifically, the sludge flow sensor 12 can monitor the sludge content in the sludge collecting chamber 102 and the sludge discharge pipe 301. , and then switch the opening and closing state of the slope cover plate 401 by controlling the driving component 5. When the mud collecting chamber 102 is open, if it is monitored that the sludge content in the mud collecting chamber 102 is too high, the driving component 5 is controlled to make the slope cover plate 401 completely cover the entire sedimentation tank 101, and the mud collecting chamber 102 is automatically closed without manual operation. At this time, the mud discharge pump 3 is started to extract the sludge, so that the water pressure in the mud collecting chamber 102 becomes smaller, and the one-way water inlet valve 402 is just above the high-pressure water chamber 103 at this time, and the water in the sedimentation tank 1 continues to enter through the one-way water inlet valve 402. The high-pressure water chamber 103 is used to push the dynamic partition 2 by using the pressure difference between the high-pressure water chamber 103 and the mud collecting chamber 102, so that the dynamic partition 2 pushes the sludge accumulated in the mud collecting chamber 102 to the mud discharge pump 3, and gradually compresses the internal space of the mud collecting chamber 102 until the sludge is completely discharged. The mud discharge process will not be carried out after the sludge is completely blocked. When the mud collecting chamber 102 is closed, since the high-pressure nozzle 6 is in the open state, the sprayed water can flush away the sludge in the mud discharge pipe 301, so that the sludge content in the mud discharge pipe 301 gradually decreases. If the mud discharge pipe 301 is monitored, the sludge content in the mud discharge pipe 301 is gradually reduced. When the sludge content is reduced to a preset value, the driving assembly 5 is controlled to open the slope cover 401, allowing the mud collecting chamber 102 to continue to collect the precipitated sludge. The opening of the slope cover 401 will drive the partition 201 to reset, thereby causing the blocking rod 902 to disengage from the arc guide groove 702, allowing the rotary cover 704 to reset to the first state of covering the high-pressure nozzle 6 under the elastic force of the torsion spring 701. At this time, the conical water spray hole 601 on the high-pressure nozzle 6 and the through hole 706 on the rotary cover 704 are staggered with each other, so that drainage can be stopped in time without the need to flush away the sludge through a large amount of drainage.

[0042] In a further embodiment, a notch 703 is provided on the inner wall of the arc-shaped guide groove 702 along the direction of the torsion force of the torsion spring 701. When the elastic opening and closing member 7 rotates to open the high-pressure nozzle 6, the baffle rod 902 is inserted into the notch 703. Specifically, when the ring 705 continues to move forward and the baffle rod 902 is stuck in the notch 703 in the arc-shaped guide groove 702, the notch 703 and the baffle rod 902 are pressed against each other under the action of the reset torsion force of the torsion spring 701, so that the baffle rod is tightly stuck in the notch 703, thereby preventing the reaction force generated when the high-pressure nozzle 6 sprays water from causing a gap between the high-pressure nozzle 6 and the mud discharge pipe 301, thereby preventing the sludge from flowing back into the mud collecting chamber 102, and improving the reliability of the mud discharge mechanism when discharging mud.

[0043] In a further embodiment, a water pump 10 is installed in the sedimentation tank 1. The water pump 10 is used to connect the sedimentation tank 1 and the high-pressure water chamber 103, and the switch of the water pump 10 is controlled by the opening and closing mechanism 4. After the opening and closing mechanism 4 is completely covered, it controls the water pump 10 to turn on. The water pump 10 is vertically installed with a pumping pipe 1001 in the sedimentation tank 1. The pipe mouth of the pumping pipe 1001 will filter the pumped water to prevent a large amount of impurities from being drawn into the high-pressure water chamber. A water inlet pipe 1002 is provided between the water pump 10 and the high-pressure water chamber 103, and the water inlet pipe 1002 is connected to a discharge pipe. 1003, a plurality of water outlets 1004 are arranged on the discharge pipe 1003, the water outlets 1004 are located above the opening and closing mechanism 4, a one-way electric control valve 1005 is installed in the discharge pipe 1003, the sludge flow sensor 12 is electrically connected to the one-way electric control valve 1005, the opening and closing mechanism 4 and the one-way electric control valve 1005 are opened synchronously, specifically, a receiving groove 404 is arranged on the bottom surface of the slope cover plate 401, an abutment member 13 is elastically hinged in the receiving groove 404 at the bottom of the inner wall of the sedimentation tank 1, and a touch switch is installed below the abutment member 13 inside the sedimentation tank 1 The touch switch 1006 is used to control the opening and closing of the water pump 10. When the slope cover 401 is completely covered on the sedimentation tank 101, the receiving tank 404 is moved away, so that the abutment 13 is squeezed and rotated by the bottom of the slope cover 401, and then the abutment 13 contacts the touch switch 1006 to turn on the water pump 10, quickly increase the internal water pressure of the high-pressure water chamber 103, and improve the efficiency of sludge discharge. When the sludge flow sensor 12 measures that the sludge content in the sludge discharge pipe 301 is lower than the preset value, it not only controls the opening and closing mechanism 4 to open, but also turns on the single Towards the electric control valve 1005, and then in the process of fully opening the opening and closing mechanism 4, the receiving groove 404 moves to above the abutment 13, so that the abutment 13 is reset in the receiving groove 404, and the abutment 13 no longer contacts the touch switch 1006, thereby turning off the water pump 10. At the same time, the dynamic partition 2, driven by the slope cover plate 401, will press the water in the high-pressure water chamber 103 back to the sedimentation tank 1 through the discharge pipe 1003, and rush to the top slope of the slope cover plate 401, impacting the attached sludge, and accelerating the time for the sludge to fall into the mud collecting chamber 102.

[0044] In a further embodiment, a liquid level gauge 11 is provided in the sedimentation tank 1. When the liquid level measured by the liquid level gauge 11 is higher than a preset value, the opening and closing mechanism 4 cannot start the water pump 10. When the liquid level measured by the liquid level gauge 11 is lower than the preset value, the opening and closing mechanism 4 can normally control the switch of the water pump 10. Specifically, the liquid level gauge 11 includes a floating plate 1101 and a guide rod 1102 fixed at the bottom of the floating plate 1101. A movable groove 107 for the guide rod 1102 to move up and down is vertically opened at the bottom of the sedimentation tank 1. A cavity 108 is opened at the center of the bottom of the sedimentation tank 1. The cavity 108 is below the slope cover plate 401. The sewage in the sedimentation tank 1 cannot enter the movable groove 107 and the cavity 108. The touch switch 1006 is movably installed in the cavity 108. A connecting rod 109 is also elastically hinged in the cavity 108. One end of the connecting rod 109 holds up the touch switch 1006, and the other end of the connecting rod 109 is connected to the guide rod 110 2 sliding connection, a groove 1103 is vertically opened on the guide rod 1102. After the floating plate 1101 is lowered to the specified position, the top of the groove 1103 will abut against one end of the connecting rod 109 to tilt it, so that the other end of the connecting rod 109 moves up with the touch switch 1006, so that after the slope cover 401 is completely covered on the sedimentation tank 101, the abutment 13 is pressed and rotated to normally contact the touch switch 1006. When the floating plate 1101 is at a high height, the guide rod 1102 is in a horizontal state. At this time, the touch switch 1006 does not move upward, resulting in that even after the slope cover 401 is completely covered on the sedimentation tank 101, the abutment 13 is squeezed by the slope cover 401 and will not contact the touch switch 1006. Only the water pressure inside the entire sedimentation tank 1 is used to push the dynamic partition 2 in the high-pressure water chamber 103, and the water pump 10 is reasonably used to ensure the efficiency of mud discharge and reduce power loss.

[0045] Another embodiment provided by the present invention is a sewage sedimentation tank 1, comprising a sedimentation tank 1 having a sedimentation trough 101, wherein a plurality of V-shaped grooves 104 are arranged in the sedimentation trough 101, wherein the bottom of the V-shaped groove 104 is semicircular, and a high-pressure nozzle 6 is embedded in the bottom of the V-shaped groove 104, and the number of the high-pressure nozzles 6 on the partition 201 corresponds to the number of the V-shaped grooves 104. Specifically, there are two sedimentation troughs 101, which are respectively arranged on both sides of the bottom of the sedimentation tank 1. The design of the V-shaped groove 104 can concentrate the sludge in the sedimentation tank to a position where the high-pressure nozzle 6 can directly push away, so that the high-pressure nozzle 6 in the dynamic partition 2 can not only play a role in pushing the sludge, but also can spray out the sewage in the high-pressure water chamber 103, so as to fully flush the sludge in the sludge discharge pipe 301.

[0046] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A sewage sedimentation and sludge discharge mechanism, which is used for sludge discharge in a sedimentation tank (1), wherein a sedimentation tank (1) is provided at the bottom of the sedimentation tank (1), and is characterized in that: include: A dynamic partition (2), wherein the dynamic partition (2) divides the sedimentation tank (101) into a mud collecting chamber (102) and a high-pressure water chamber (103), wherein the mud collecting chamber (102) is connected to a mud discharge pump (3); An opening and closing mechanism (4) is located at the bottom of the sedimentation tank (1) and is used to cover the sedimentation tank (101); when the opening and closing mechanism (4) is in an open state, the mud collecting chamber (102) is connected to the sedimentation tank (1); when the opening and closing mechanism (4) is in a completely closed state, the high-pressure water chamber (103) is connected to the sedimentation tank (1); The dynamic partition (2) comprises a partition (201) movably installed in the sedimentation tank (101), and a one-way filter valve (202) is provided on the partition (201) for discharging liquid in the mud collecting chamber (102) into the high-pressure water chamber (103) after the volume of the chamber decreases. A high-pressure nozzle (6) is fixedly embedded on the partition (201), and an elastic opening and closing member (7) is installed on a side of the high-pressure nozzle (6) close to the mud discharge pump (3) via a torsion spring (701); The mud collecting chamber (102) and the mud discharge pump (3) are connected via a mud discharge pipe (301), a mud scraping ring (8) connected to the dynamic partition (2) is installed in the mud discharge pipe (301), and a mud chamber (302) is also provided in the mud discharge pipe (301); A connecting rod (801) is installed between the high-pressure nozzle (6) and the scraper ring (8); a limiting member (9) sleeved with the connecting rod (801) is fixedly connected to the mud discharge pipe (301); an arc-shaped guide groove (702) matching with the limiting member (9) is provided on the elastic opening and closing member (7); when the high-pressure nozzle (6) abuts against the mouth of the mud discharge pipe (301), the scraper ring (8) is pushed into the mud cavity (302), and the limiting member (9) entering the arc-shaped guide groove (702) forces the elastic opening and closing member (7) to rotate to open the high-pressure nozzle (6); When the opening and closing mechanism (4) is in a closed state, the pressure difference between the high-pressure water chamber (103) and the mud collecting chamber (102) drives the dynamic partition (2) to push the mud in the mud collecting chamber (102) toward the mud discharge pump (3).

2. A sewage sedimentation and sludge discharge mechanism according to claim 1, characterized in that The opening and closing mechanism (4) comprises a slope cover plate (401) and a driving assembly (5) for driving the slope cover plate to move horizontally. A one-way water inlet valve (402) is vertically provided on the slope cover plate (401) for connecting the sedimentation tank (1) and the high-pressure water chamber (103) when the opening and closing mechanism (4) is in a closed state.

3. A sewage sedimentation and sludge discharge mechanism according to claim 1, characterized in that: The inner wall of the arc-shaped guide groove (702) is provided with a notch (703) along the direction of the torsion force of the torsion spring (701), and when the elastic opening and closing member (7) rotates to open the high-pressure spray head (6), the limiting member (9) is inserted into the notch (703).

4. A sewage sedimentation and sludge discharge mechanism according to claim 1, characterized in that: A water pump (10) is installed in the sedimentation tank (1), and the water pump (10) is used to connect the sedimentation tank (1) and the high-pressure water chamber (103). After the opening and closing mechanism (4) is completely closed, it controls the water pump (10) to start.

5. A sewage sedimentation and sludge discharge mechanism according to claim 4, characterized in that: A liquid level meter (11) is provided in the sedimentation tank (1). When the liquid level measured by the liquid level meter (11) is higher than a preset value, the opening and closing mechanism (4) cannot start the water pump (10). When the liquid level measured by the liquid level meter (11) is lower than the preset value, the opening and closing mechanism (4) can normally control the switch of the water pump (10).

6. A sewage sedimentation tank, comprising the sewage sedimentation and sludge discharge mechanism according to any one of claims 1 to 5, characterized in that: It comprises a sedimentation tank (1) having a sedimentation tank (101), wherein a plurality of V-shaped grooves (104) are arranged in the sedimentation tank (101).

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