CN224126635U - Sludge concentration tank for wastewater treatment - Google Patents

Abstract

The utility model discloses a sludge concentration tank for wastewater treatment, which comprises a concentration tank, a motor, a collector and a collecting box, wherein the motor is arranged at the center of the top of the concentration tank through a supporting plate, a rotating rod at the output end of the motor vertically extends downwards into the concentration tank, the collector which is transversely arranged is arranged on the outer wall of the rotating rod, the collecting box is arranged at one end of the collector which is far away from the rotating rod, a diversion trench which is communicated with the collecting box is arranged at the transverse side surface of the collector, the inside of the diversion trench is in a circular arc shape, and the diameter of the diversion trench gradually increases from one end of the rotating rod to one end of the collecting box. When the garbage collection device is used, garbage contained in sludge water floats upwards through precipitation of the sludge water and is collected on the surface of the sludge water, the motor drives the collector to rotate through the rotating rod, the garbage is recovered in the diversion trench by the collector, the garbage slides into the recovery tank along the inner wall of the diversion trench, and the garbage can conveniently slide to the collection tank along the inner track of the diversion trench through the design of the diameter of the diversion trench.

Description

Sludge concentration tank for wastewater treatment

Technical Field

The utility model relates to the technical field of wastewater treatment, in particular to a sludge thickening tank for wastewater treatment.

Background

In a wastewater treatment system, a sludge concentration tank is a facility which is specially used for reducing the water content of sludge and realizing the preliminary volume reduction of the sludge, a large amount of sludge containing various impurities and microorganisms can be generated after wastewater passes through a series of treatment processes, if the sludge is not properly treated, a large amount of space can be occupied, secondary pollution to the environment can be caused, and the water in the sludge can be separated through physical or mechanical means due to the existence of the sludge concentration tank, so that the volume of the sludge is greatly reduced, and a good foundation is laid for the subsequent sludge treatment process.

The operation of the sludge concentration tank is mainly based on the gravity sedimentation principle, in the sludge concentration tank, waste water containing sludge is introduced into the tank, the density of sludge particles is larger than that of water, the sludge particles gradually sink to the bottom of the tank under the action of gravity, clear water overflows and is discharged from the upper part of the tank, the sludge at the bottom of the tank is continuously accumulated and compacted along with the time, the water content is gradually reduced, and the sludge at the bottom of the tank is discharged from a sewage discharge pipe at the bottom of the sludge concentration tank.

However, the sludge contains a small amount of garbage which is difficult to decompose, such as plastic bags, and the like, and when the garbage is discharged into the sludge concentration tank along with the sludge, the plastic bags float on the surface of sewage, so that the collected clarified water contains the garbage, and the garbage inside the sludge concentration tank is difficult to collect and clean by workers due to the large occupied area of the sludge concentration tank.

Therefore, there is a need for a sludge thickener for wastewater treatment to solve the problem that the garbage floating inside the sludge thickener is difficult to collect and clean by workers.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides a sludge concentration tank for wastewater treatment, so as to solve the problem that garbage floating in the sludge concentration tank is difficult to collect and clean by staff.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A sludge concentration tank for wastewater treatment is characterized by comprising a concentration tank, a motor, a collector and a collecting box, wherein the motor is arranged at the center of the top of the concentration tank through a supporting plate, a rotating rod at the output end of the motor vertically extends downwards into the concentration tank, the outer wall of the rotating rod is provided with a collector which is transversely arranged, one end of the collector, far away from the rotating rod, is provided with the collecting box, the transverse side of the collector is provided with a diversion trench which is communicated with the collecting box, the inside of the diversion trench is in the shape of an arc, and one end of a diameter autorotation rod of the diversion trench is gradually increased towards one end of the collecting box.

In order to optimize the technical scheme, the specific measures adopted further comprise:

Further, the collector is installed the end on the bull stick has seted up the water inlet, just the water inlet passes through inside inlet channel intercommunication the guiding gutter.

Further, a recovery box is detachably arranged in the collection box, a guide ring communicated with the guide groove is arranged on the side wall of the collection box, and a feed inlet communicated with the guide ring is correspondingly arranged on the side wall of the recovery box.

Further, the guide ring is arranged in a necking shape from the guide groove to the direction of the recovery box.

Further, the outer walls of the collecting box and the recycling box are provided with filtering holes.

Further, the recovery box is followed the opening part slip grafting of collecting box upper end is in the collecting box, and the top of recovery box is provided with the apron, the bottom of apron is equipped with vertical connecting rod, and the recovery box is equipped with inside vertical spout of having seted up of one side lateral wall of feed inlet, it is provided with the baffle to slide in the spout, the baffle slidable is to sheltering from the feed inlet, and the baffle passes through the spliced pole with the lower extreme of connecting rod and is connected, and has seted up the fluting that can supply the spliced pole to take the baffle to reciprocate on the spout.

Further, the recovery box is inside to be kept away from the vertical slide rail has been seted up to one side inner wall of feed inlet, the lower extreme of connecting rod still is connected with the slip setting and is in gag lever post in the slide rail.

Further, the top inboard in concentrated pond is provided with round drainage board, connect into the clear water tank between drainage board and the concentrated pond inner wall, be equipped with on the drainage board with the leak hole of the inboard intercommunication in concentrated pond, one side that the clear water tank kept away from the drainage board is equipped with the drain pipe that communicates to the outside of concentrated pond.

Further, the lower extreme downwardly extending of bull stick extremely the below of collector to be connected with the dirt shielding cover of opening decurrent, advance dirty pipe is installed to the bottom of concentrated pond, advance dirty pipe's tip and be located the inside of dirt shielding cover, the bottom of concentrated pond still is equipped with the blow off pipe that is used for the blowdown.

Further, the outside of the rotating rod between the dirt shielding cover and the collector is fixed with a supporting frame, and one end of the supporting frame away from the rotating rod extends to the side edge of the dirt shielding cover and is connected with a transversely arranged scraping plate.

The beneficial effects of the utility model are as follows:

The utility model solves the problem that the garbage floating in the sludge concentration tank is difficult to collect and clean by staff through the arrangement of the collector and the collecting box, when the garbage concentration tank is used, the garbage contained in the sludge water floats upwards through the sediment of the sludge water and is collected on the surface of the sludge water, the motor drives the collector to rotate through the rotating rod, the collector recovers the garbage in the guide groove in the rotating process of the collector, then the garbage slides into the recovery box along the inner wall of the guide groove so as to complete the recovery treatment of the garbage, and the garbage can conveniently slide to the collecting box along the inner track of the guide groove through the design of the diameter of the guide groove, so that the traction efficiency of the garbage is increased.

According to the utility model, through the arrangement of the water inlet and the water inlet pipeline, in the rotating process of the collector, the water inlet pipeline can pour water into the collector, and garbage is pushed to move towards the direction of the collector through the water discharged from the water inlet pipeline, so that the accumulation of the garbage in the collector is reduced.

According to the utility model, through the structure arrangement of the baffle plate and the like, when a worker collects and processes the garbage in the recovery tank, the cover plate is manually pulled upwards, and in the lifting process of the cover plate, the cover plate drives the baffle plate to move upwards through the connecting rod and the connecting column, when the baffle plate is positioned at the top, the baffle plate can shield the feeding hole, so that the garbage cannot leak out of the feeding hole when the worker takes the recovery tank out of the collection tank, and the recovery processing of the garbage in the concentration tank by the worker is facilitated.

According to the utility model, through the arrangement of the sludge shielding cover, the sludge water enters the interior of the concentration tank from the sludge inlet pipe, the sludge shielding cover at the top of the sludge inlet pipe blocks the spraying of the sludge water, and the sprayed sludge water is prevented from stirring the sludge water in the middle of the concentration tank, so that the influence of the entering sludge water on the static sludge water is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a sludge thickener for wastewater treatment according to the present utility model;

FIG. 2 is a schematic diagram of a clear water tank of a sludge thickener for wastewater treatment according to the present utility model;

FIG. 3 is a schematic view of a sewage shielding cover and a scraper of a sludge thickener for wastewater treatment according to the present utility model;

FIG. 4 is a schematic view showing a structure of a collector of a sludge thickener for wastewater treatment according to the present utility model;

FIG. 5 is a schematic view of a collection tank of a sludge thickener for wastewater treatment according to the present utility model;

FIG. 6 is a schematic view of a recovery tank of a sludge thickener for wastewater treatment according to the present utility model;

FIG. 7 is a sectional view showing the construction of a recovery tank of a sludge thickener for wastewater treatment according to the present utility model;

Fig. 8 is a schematic view showing a structure of a rotary pipe of a sludge thickener for wastewater treatment according to the present utility model.

Reference numeral 1, a concentration tank; 2, a water filtering plate, 201, a clean water tank, 202, a filtering hole, 203, a water draining pipe, 3, a motor, 301, a supporting plate, 302, a rotating rod, 4, a collector, 401, a diversion trench, 402, a water inlet pipeline, 5, a collecting box, 501, a feeding hole, 502, a filtering hole, 503, a diversion ring, 6, a supporting frame, 601, a scraping plate, 602, a sewage draining pipe, 7, a sewage shielding cover, 701, a sewage inlet pipe, 8, a recycling box, 801, a cover plate, 802, a connecting rod, 803, a limiting rod, 804, a connecting column, 805, a baffle, 9, a rotating pipe, 901, a rotating cylinder, 902 and a deflector rod.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the sludge concentration tank for wastewater treatment in the embodiment of the utility model comprises a concentration tank 1, a motor 3, a collector 4 and a collection tank 5, wherein the motor 3 is arranged at the center of the top of the concentration tank 1 through a supporting plate 301, a rotating rod 302 at the output end of the motor 3 vertically extends downwards into the concentration tank 1, the collector 4 transversely arranged is arranged on the outer wall of the rotating rod 302, the collection tank 5 is arranged at one end, far away from the rotating rod 302, of the collector 4, a diversion trench 401 communicated with the collection tank 5 is arranged on the transverse side surface of the collector 4, the inside of the diversion trench 401 is in a circular arc shape, and the diameter of the diversion trench 401 gradually increases from one end of the rotating rod 302 to one end of the collection tank 5.

The utility model solves the problem that garbage floating in the sludge concentration tank is difficult to collect and clean by staff through the arrangement of the collector 4 and the collecting box 5, when the sludge concentration tank is used, garbage contained in the sludge water floats upwards through the sediment of the sludge water and is collected on the surface of the sludge water, the motor 3 drives the collector 4 to rotate through the rotating rod 301, the collector 4 recovers the garbage in the diversion trench 401 in the rotating process of the collector 4, then the garbage slides into the recovery box 8 along the inner wall of the diversion trench 401 to complete the recovery treatment of the garbage, and the garbage can conveniently slide to the collecting box 5 along the inner track of the diversion trench 401 through the design of the diameter of the diversion trench 401, so that the traction efficiency of the garbage is increased.

In this embodiment, the two groups of collectors 4 may be symmetrically disposed to improve the use efficiency.

As shown in fig. 4, in an embodiment based on the above, the end of the collector 4 mounted on the rotating rod 302 is provided with a water inlet, and the water inlet is communicated with the diversion trench 401 through the water inlet pipeline 402. In this way, during the rotation of the collector 4, the water inlet pipe 402 can fill the collector 4 with water, and the garbage is pushed to move toward the collecting box 5 by the water discharged from the water inlet pipe 402, so that the accumulation of the garbage inside the collector 4 is reduced.

As shown in fig. 5 and fig. 6, in another embodiment based on the above, a recovery box 8 is detachably disposed in the collection box 5, a diversion ring 503 communicated with the diversion trench 401 is disposed on a side wall of the collection box 5, and a feed inlet 501 communicated with the diversion ring 503 is correspondingly disposed on a side wall of the recovery box 8.

The diversion ring 503 is arranged in a necking shape from the diversion trench 401 to the direction of the recovery box 8. Accordingly, the refuse sliding to the end of the diversion trench 401 can be guided into the inside of the collection tank 5 by the diversion trench 503, and the diversion trench 503 is provided in a contracted form, so that the refuse in the recovery tank 8 can be reduced from flowing out from the inlet 501.

Wherein, the outer wall of collecting box 5 and recovery box 8 all is provided with filtration pore 502. In this way, during the rotation of the collection tank 5, the sludge water flows through the collection tank 5 and the recovery tank 8 through the filter holes 502, thereby reducing the fluctuation of the sludge water when the collection tank 5 and the recovery tank 8 rotate.

As shown in fig. 7, in the further embodiment based on the foregoing, the recovery box 8 is slidably inserted into the collection box 5 from the opening at the upper end of the collection box 5, a cover plate 801 is disposed at the top of the recovery box 8, a vertical connecting rod 802 is disposed at the bottom of the cover plate 801, a vertical chute is disposed inside the side wall of one side of the recovery box 8 with the feed inlet 501, a baffle 805 is slidably disposed in the chute, the baffle 805 can slide to cover the feed inlet 501, the baffle 805 is connected with the lower end of the connecting rod 802 through a connecting column 804, and a slot for the connecting column 804 to carry the baffle 805 to move up and down is formed in the chute.

Therefore, when the staff collects and processes the garbage inside the recovery tank 8, the cover plate 801 is manually pulled upwards, and in the process of lifting the cover plate 801, the cover plate 801 drives the baffle 805 to move upwards through the connecting rod 802 and the connecting column 804, when the baffle 805 is positioned at the top, the baffle 805 can shield the feeding hole 501, so that the garbage cannot leak from the feeding hole 501 when the staff takes out the recovery tank 8 from the inside of the collection tank 5, and the staff can conveniently recover and process the garbage inside the concentration tank 1.

Wherein, the inner wall of one side of the recycling bin 8, which is far away from the feed inlet 501, is provided with a vertical sliding rail, and the lower end of the connecting rod 802 is also connected with a limit rod 803 which is arranged in the sliding rail in a sliding way. In this way, the cover plate 801 controls the lifting of the recovery box 8 by the stopper 803 in a limited manner in the lifting process of the shutter 805, and can prevent the recovery box 8 from being shaken during the removal process.

As shown in fig. 2, in another embodiment based on the above, a circle of water filtering plate 2 is arranged on the inner side of the top of the concentration tank 1, a clean water tank 201 is formed by connecting the water filtering plate 2 with the inner wall of the concentration tank 1, a leak hole 202 communicated with the inner side of the concentration tank 1 is arranged on the water filtering plate 2, and a drain pipe 203 communicated to the outside of the concentration tank 1 is arranged on one side of the clean water tank 201 away from the water filtering plate 2. In this way, after the sludge water is precipitated for a period of time, the layered clean water is collected on the sludge water, and can flow into the clean water tank 201 through the drain hole 202, and then be discharged from the drain pipe 203 from the inside of the clean water tank 201.

As shown in fig. 3, in another embodiment based on the above, the lower end of the rotating rod 302 extends downward below the collector 4 and is connected with a dirt shielding cover 7 with a downward opening, the bottom of the concentration tank 1 is provided with a dirt inlet pipe 701, the end of the dirt inlet pipe 701 is located inside the dirt shielding cover 7, and the bottom of the concentration tank 1 is also provided with a dirt discharge pipe 602 for discharging dirt. Therefore, when the sewage treatment device is used, the sewage water enters the concentration tank 1 from the sewage inlet pipe 701, the sewage shielding cover 7 at the top of the sewage inlet pipe 701 blocks the spraying of the sewage water, and the sprayed sewage water is prevented from stirring the sewage water in the middle of the concentration tank 1, so that the influence of the entering sewage water on the sewage water at rest is reduced.

In the further embodiment, a supporting frame 6 is fixed on the outer side of the rotating rod 302 between the dirt shielding cover 7 and the collector 4, and one end of the supporting frame 6 away from the rotating rod 302 extends to the side edge of the dirt shielding cover 7 and is connected with a transversely arranged scraping plate 601. Therefore, when the scraper bar 301 is used, the rotating bar 301 can be rotated, and the two groups of scrapers 601 are driven by the supporting frame 6 to scrape the sludge positioned at the top of the sewage drain 602, so that the blockage of the sludge at the port of the sewage drain 602 is reduced. In this solution, multiple sets of support frames 6 and scrapers 601 can be provided as needed.

As shown in fig. 8, in the further embodiment based on the above, a rotating tube 9 is sleeved on the outer wall of the supporting frame 6, and three groups of rotating drums 901 are mounted on the outer wall of the rotating tube 9. When the sludge water flows downwards from the sludge shielding cover 7, the sludge water impacts the rotary drum 901, the rotary drum 901 drives the rotary pipe 9 to rotate due to the impact of the sludge water, and three groups of deflector rods 902 are fixed on the outer wall of the rotary pipe 9, and in the rotating process of the deflector rods 902, the deflector rods 902 can scatter garbage mixed in the sludge water to the periphery, so that the garbage can float upwards.

One embodiment of the present utility model is as follows:

Sludge water enters the concentration tank 1 from the sewage inlet pipe 701, the sewage shielding cover 7 at the top of the sewage inlet pipe 701 blocks the injection of the sludge water, the motor 3 drives the rotating rod 302 to rotate, the rotating rod 301 drives the two groups of scrapers 601 to scrape the sludge at the top of the sewage pipe 602 through the supporting frame 6, and the blockage of the sludge at the port of the sewage pipe 602 is reduced; the method comprises the steps of depositing sludge water for a period of time, collecting layered clear water on the sludge water, flowing the layered clear water into a clear water tank 201 through a drain hole 202, discharging clear water in the clear water tank 201 from a drain pipe 203, driving a rotating rod 302 by a motor 3 to rotate, simultaneously driving two groups of collectors 4 to rotate by the rotating rod 302, collecting garbage floating on the surface of the sludge water by the collectors 4 in the rotating process of the collectors 4, storing the garbage collected by the collectors 4 in a guide groove 401, setting the inside of the guide groove 401 to be circular arc, setting the diameter of the guide groove 401 at one end of the guide groove 302 to be smaller than the diameter of the guide groove 401 at one end of the collection box 5, enabling the garbage inside the guide groove 401 to slide towards the end of the collection box 5 along with the rotation of the collectors 4, enabling the garbage to enter the collection box 8 through a feed inlet 501 at one side of the collection box 5 and the recovery box 8, pushing the garbage to move towards the collection box 5 in the direction by the water inlet pipeline 402, reducing the garbage accumulated in the collector 4, lifting the garbage collector 802 to the top of the collection box 805, lifting the garbage collector 801 up the baffle 805 to the top of the baffle plate 805 when the garbage collector is lifted up by a cover plate 801, and the cover plate 805 is connected to the top of the baffle plate 801 when the garbage collector is lifted up, so that when personnel take the recovery tank 8 out of the collection tank 5, the waste does not leak out of the feed port 501.

It should be noted that the terms like "upper", "lower", "left", "right", "front", "rear", and the like are also used for descriptive purposes only and are not intended to limit the scope of the utility model in which the utility model may be practiced, but rather the relative relationship of the terms may be altered or modified without materially altering the teachings of the utility model.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be within the scope of the utility model as set forth in the following claims.

Claims (10)

1. The utility model provides a sludge concentration pond for wastewater treatment, its characterized in that includes concentration pond (1), motor (3), collector (4) and collection box (5), motor (3) are installed through backup pad (301) in the top center department in concentration pond (1), inside bull stick (302) vertical downwardly extending in concentration pond (1) of motor (3) output, and collector (4) of horizontal setting are installed to the outer wall of bull stick (302), collection box (5) are installed to the one end that bull stick (302) was kept away from to collector (4), collection box (5) are offered to the lateral side of collector (4) with guiding gutter (401) that are linked together in collection box (5), the inside of guiding gutter (401) sets up to convex, and diameter rotation pole (302) one end of guiding gutter (401) is to collection box (5) one end increase gradually.

2. The sludge thickener for wastewater treatment according to claim 1, wherein a water inlet is formed at an end of the collector (4) mounted on the rotating rod (302), and the water inlet is communicated with the diversion trench (401) through an inner water inlet pipe (402).

3. The sludge concentration tank for wastewater treatment according to claim 1, wherein a recovery tank (8) is detachably arranged in the collection tank (5), a guide ring (503) communicated with the guide groove (401) is arranged on the side wall of the collection tank (5), and a feed inlet (501) communicated with the guide ring (503) is correspondingly arranged on the side wall of the recovery tank (8).

4. The sludge thickener for wastewater treatment according to claim 3, wherein the deflector ring (503) is provided in a reduced shape from the deflector groove (401) toward the recovery tank (8).

5. A sludge thickener for wastewater treatment according to claim 3, wherein the outer walls of the collecting tank (5) and the recovery tank (8) are provided with filtering holes (502).

6. The sludge concentration tank for wastewater treatment according to claim 3, wherein the recovery tank (8) is slidably inserted into the collection tank (5) from an opening at the upper end of the collection tank (5), a cover plate (801) is arranged at the top of the recovery tank (8), a vertical connecting rod (802) is arranged at the bottom of the cover plate (801), a vertical chute is formed in the side wall of one side of the recovery tank (8) provided with the feed inlet (501), a baffle (805) is slidably arranged in the chute, the baffle (805) can slide to shield the feed inlet (501), the baffle (805) is connected with the lower end of the connecting rod (802) through a connecting column (804), and a slot for the connecting column (804) to carry the baffle (805) to move up and down is formed in the chute.

7. The sludge concentration tank for wastewater treatment according to claim 6, wherein a vertical sliding rail is arranged on the inner wall of one side of the recovery tank (8) far away from the feed inlet (501), and a limit rod (803) arranged in the sliding rail in a sliding manner is further connected to the lower end of the connecting rod (802).

8. The sludge concentration tank for wastewater treatment according to claim 1, wherein a circle of water filtering plate (2) is arranged on the inner side of the top of the concentration tank (1), a clean water tank (201) is connected between the water filtering plate (2) and the inner wall of the concentration tank (1), a leak hole (202) communicated with the inner side of the concentration tank (1) is formed in the water filtering plate (2), and a drain pipe (203) communicated to the outside of the concentration tank (1) is arranged on one side, far away from the water filtering plate (2), of the clean water tank (201).

9. The sludge thickener for wastewater treatment according to claim 1, wherein the lower end of the rotating rod (302) extends downwards to the lower part of the collector (4) and is connected with a dirt shielding cover (7) with a downward opening, a dirt inlet pipe (701) is arranged at the bottom of the thickener (1), the end part of the dirt inlet pipe (701) is positioned in the dirt shielding cover (7), and a drain pipe (602) for draining sewage is arranged at the bottom of the thickener (1).

10. The sludge thickener for wastewater treatment according to claim 9, wherein a supporting frame (6) is fixed on the outer side of the rotating rod (302) between the sewage shielding cover (7) and the collector (4), and one end of the supporting frame (6) far away from the rotating rod (302) extends to the side edge of the sewage shielding cover (7) and is connected with a scraper (601) which is transversely arranged.