CN204569703U - A sludge treatment system based on a fast dehydrator - Google Patents

Abstract

The utility model discloses a sludge treatment system based on quick hydroextractor belongs to sludge treatment equipment technical field. This sludge treatment system based on quick dewatering machine is including sludge dewatering system, sludge granulation system, sludge drying system, the sludge recovery system who connects according to the preface, sludge dewatering system is arranged in deviating from most moisture in the mud, sludge granulation system is used for making strip or granular with the mud of deviating from moisture, sludge drying system is used for drying strip or granular mud, sludge recovery system is used for collecting the mud after the mummification. Adopt the utility model discloses a sludge treatment system can reduce sludge treatment cost, water economy resource effectively, reduces secondary pollution.

Description

A sludge treatment system based on a fast dehydrator

technical field

The utility model relates to the technical field of sludge treatment equipment, in particular to a sludge treatment system based on a fast dehydrator.

Background technique

Sludge is a sedimentary substance produced by sewage treatment plants in the purification process of urban domestic sewage and industrial wastewater. It is a solid-liquid mixture and a primary organic solid product that can be recycled and reused. However, due to the high water content and bulky sludge, and the sludge contains various pathogenic microorganisms, various organic or inorganic pollutants, and heavy metals and other harmful substances, if it is not treated in a timely and reasonable manner, it will cause secondary pollution to the environment. , a great threat to people's life and health.

The existing sludge treatment method is generally to reduce the moisture content of the sludge to 80%, and then pull it to a thermal power plant for secondary drying, reduce the moisture content of the sludge to 50%, and then put it into the furnace for combustion. However, sludge containing a large amount of water is likely to cause secondary pollution during transportation, and the transportation cost is extremely high due to the large volume and heavy weight of water-containing sludge. In addition, the water in the sludge cannot be effectively "squeezed" out, resulting in a waste of water resources.

Utility model content

The utility model aims to provide a sludge treatment system based on a fast dehydrator. The sludge treatment system can not only solve the problems of high transportation cost and easy secondary pollution, but also achieve the purpose of secondary utilization of water resources.

In order to achieve the above object, the technical scheme that the utility model adopts is as follows:

A sludge treatment system based on a fast dehydrator, including a sludge dehydration system, a sludge granulation system, a sludge drying system, and a sludge recovery system connected in sequence, and the sludge dehydration system is used to remove sludge Most of the water in the sludge, the sludge granulation system is used to make the dehydrated sludge into strips or granules, and the sludge drying system is used to dry the strips or granules. The sludge recovery system is used to collect the dried sludge.

As a further improved technical solution of the utility model, the sludge dewatering system is mainly composed of a rapid dehydrator, the rapid dehydrator includes a cuboid funnel, a conduit and a vacuum pump, one end of the conduit is connected to the bottom of the funnel, The other end of the conduit is connected to the vacuum pump, the vacuum pump is used to provide vacuum suction to the bottom of the funnel, a suction filter plate and a scraper are arranged inside the funnel, and the scraper is perpendicular to the suction The filter plate is in contact with the suction filter plate, the scraper is fixed above the suction filter plate by a mechanical arm and can move left and right above the suction filter plate, and is arranged on one or both sides of the funnel There are doors that can be opened and closed.

As a further improved technical solution of the utility model, the door is an automatic lifting door, and the automatic lifting door includes a door panel, a chute and an automatic lifting mechanism, and the chute is a "U"-shaped groove, which is located at the On the side and perpendicular to the suction filter plate, the two sides perpendicular to the suction filter plate of the door panel are located in the chute and can slide up and down in the chute, the door panel and the automatic The lifting mechanism is connected, and the automatic lifting mechanism can drive the door panel to slide up and down, so as to realize the opening and closing of the door.

As a further improved technical solution of the present invention, the automatic lifting mechanism is a screw lifting mechanism and is located below the automatic lifting door. The screw lifting mechanism includes a screw and a driver, and the end of the screw near the driver is a belt. There is a threaded threaded rod, the end of the screw rod near the door is a smooth cylindrical rod, the cross-sectional area of the cylindrical rod is smaller than that of the threaded rod, and the cylindrical rod passes through the bottom of the funnel and connects with the The chute cooperates. When the driver pushes the screw rod to move upward, the screw rod pushes the automatic lift door to move upward. When the driver pushes the screw rod to move downward, the automatic lift door moves upward. The lifting door will fall back to the plane of the suction filter plate under the action of gravity.

As a further improved technical solution of the utility model, the chute is semi-cylindrical, and the diameter of the semi-cylindrical is equal to the diameter of the cylindrical rod, that is, when the cylindrical rod is matched with the chute, the One half of the cylindrical rod is sunk in the chute, and the other half of the cylindrical rod is outside the chute.

As a further improved technical solution of the utility model, a sludge collection tank is provided on one or both sides of the funnel, and the sludge collection tank is U-shaped and obliquely arranged outside the door. The width of the sludge collection tank is equal to the width of the door.

As a further improved technical solution of the utility model, the sludge dewatering system further includes a sludge pumping device, the sludge pumping device has two outlets, and the outlets are respectively located at the two ends above the funnel. A sludge discharge switch is arranged at the outlet.

As a further improved technical solution of the utility model, the sludge granulation system includes a sludge receiving part, a sludge granulating part, a sludge extruding part, and a sludge output part; One side of the sludge dewatering machine is used to receive the sludge discharged from the sludge dewatering machine; the sludge granulation part is a flat plate with holes connected to the sludge receiving part; the sludge extruding The part is located above the sludge granulation part, and is used to squeeze the sludge to make the sludge leak out from the hole in the sludge granulation part; the sludge output part is located under the sludge granulation part, for The sludge is output to the sludge granulation system.

As a further improved technical solution of the utility model, the sludge drying system includes a rotary drying kiln and a sludge transfer component, the sludge transfer component is used to receive the sludge sent by the sludge granulation system, and then The sludge is brought into the rotary drying kiln, and finally the sludge is transported out of the rotary drying kiln.

As a further improved technical solution of the utility model, the sludge dehydration system, the sludge granulation system, the sludge drying system and the sludge recovery system are all controlled by PLC, and the whole sludge treatment system realizes Fully automatic assembly line production.

Beneficial effect

1) The fast dehydrator can remove the water in the sludge to a great extent, and can recycle the water in the sludge, saving water resources and reducing the cost of post-treatment.

2) The sludge granulation system makes the sludge into strips or granules, thereby increasing the specific surface area of the sludge and increasing the evaporation area, which is beneficial to the drying of the sludge.

3) After the drying effect of the rotary drying kiln, it can form an automatic assembly line production with the sludge dehydration system, sludge granulation system, and sludge recovery system. It does not need to consume a lot of manpower, and the cost of sludge treatment is low.

Description of drawings

Fig. 1 is the structural representation of the sludge treatment system based on the quick dehydrator of the present utility model;

Among them, 1-sludge dewatering system, 11-sludge pumping device, 12-sludge discharge switch, 13-funnel, 14-vacuum pump, 141-duct, 15-suction filter plate, 16-scraper, 17-mechanic Arm, 18-door (door panel), 181-automatic lifting mechanism, 182-driver, 19-sludge collection tank, 2-sludge granulation system, 21-sludge receiving part, 22-sludge granulation part, 23 - Sludge Extrusion Section, 24 - Sludge Output Section, 3 - Sludge Drying System, 31 - Rotary Drying Kiln, 32 - Sludge Conveying Components, 4 - Sludge Recovery System.

Detailed ways

The utility model is described in detail now in conjunction with accompanying drawing.

As shown in Figure 1, the sludge treatment system based on the fast dehydrator of the present invention includes a sludge dehydration system 1, a sludge granulation system 2, a sludge drying system 3, and a sludge recovery system 4 connected in sequence , the sludge dewatering system 1 is used to remove most of the moisture in the sludge, the sludge granulation system 2 is used to make the sludge dehydrated into strips or granules, and the sludge drying system 3 It is used to dry strip or granular sludge, and the sludge recovery system 4 is used to collect the dried sludge.

Specifically, the sludge dewatering system mainly includes a quick dehydrator. Described fast dehydrator comprises cuboid funnel 13, conduit 141 and vacuum pump 14, and one end of conduit 141 is connected with funnel 13 bottoms, and the other end of conduit 141 is connected with vacuum pump 14, and vacuum pump 14 is used for providing vacuum suction to funnel 13 bottoms , a suction filter plate 15 and a scraper 16 are arranged inside the funnel 13, the scraper 16 is perpendicular to the suction filter plate 15 and is in contact with the suction filter plate 15, the scraper 16 is fixed above the suction filter plate 15 by a mechanical arm 17 and can be Move left and right above the suction filter plate 15, and set an openable door 18 on one side of the funnel 13. Preferably, an openable door 18 is set on the left and right sides of the funnel 13, so that the sludge treatment efficiency can be further improved. . One side or left and right sides of the funnel 13 is also provided with a sludge collection tank 19, the sludge collection tank 19 is "U" shaped and obliquely arranged outside the door 18, and the width of the sludge collection tank 19 is equal to the width of the door 18 . When the fast dehydrator completes a suction filtration, open the door 18 on the left side of the funnel 13, and then the scraper 16 scrapes the filter cake from the right to the left under the drive of the mechanical arm 17, and the filter cake is collected from the sludge on the left. The trough 19 drains the quick dehydrator 4 and finally closes the door 18 on the left. After the quick dehydrator 4 completes the second suction filtration, open the door 18 on the right side of the funnel 13, and then the scraper 16 scrapes the filter cake from the left side to the right side under the drive of the mechanical arm 17, and the filter cake from the right side The sludge collection tank 19 is discharged from the quick dehydrator 4, and finally the door 18 on the right side is closed. By repeating this, the rapid cleaning of the filter cake is realized, and the sludge dehydration speed is greatly accelerated.

The door 18 is an automatic lifting door. The automatic lifting door includes a chute and an automatic lifting mechanism in addition to the door panel 18. The chute is a "U"-shaped groove, which is located on the left and right sides of the funnel 13 and is perpendicular to the suction filter plate 15. On the edge of the door panel 18 and the suction filter plate 15 vertical two sides are located in the chute and can slide up and down in the chute, the door panel 18 is connected with the automatic lifting mechanism, and the automatic lifting mechanism can drive the door panel 18 to slide up and down, thereby realizing The opening and closing of door 18. Described automatic lifting mechanism is screw mandrel lifting mechanism and is positioned at door panel 18 below, and screw mandrel lifting mechanism comprises screw mandrel 181 and driver 182, and the end of screw mandrel 181 near driver 182 is the threaded rod with screw thread, and screw mandrel 181 is close to door panel 18 One end is a smooth cylindrical rod, the cross-sectional area of the cylindrical rod is less than that of the threaded rod, and the cylindrical rod of the screw mandrel 181 passes through the bottom of the funnel 13 and cooperates with the chute. When the driver 182 promotes the screw mandrel 181 to move upward , the screw rod 181 pushes the door panel 18 to move upward, and when the driver 182 pushes the screw rod 181 to move downward, the door panel 18 will fall back to the plane of the suction filter plate 15 under the action of gravity. Described chute is semi-cylindrical, and the diameter of semi-cylindrical is equal to the diameter of the cylindrical rod of screw mandrel 181, and promptly when cylindrical rod cooperates with chute, half of cylindrical rod sinks into chute, and the other half of cylindrical rod is positioned at chute. Outside. The lower end of the screw rod 181 is a threaded rod, which can convert the rotational motion of the driver 182 into the up and down motion of the screw rod 181 . Setting the upper end of the screw rod 181 as a smooth cylindrical rod can make the screw rod 181 better cooperate with the chute and slide freely without scratching the chute; the area of the threaded rod is larger than that of the cylindrical rod, so that the diameter of the threaded rod It is larger than the diameter of the chute, which can play the role of limit and prevent the threaded rod from entering the chute; when the automatic lifting door 18 is opened, the chute is filled with cylindrical rods, which can prevent sludge from entering the chute and prevent the chute from entering the chute. of the jam.

The sludge dewatering system 1 also includes a sludge pumping device 11, the sludge pumping device 11 has two outlets, the outlets are respectively located at the two ends above the funnel, and a sludge discharge device is arranged at the outlet. switch 12.

The sludge granulation system 2 includes a sludge receiving part 21 , a sludge granulation part 22 , a sludge extruding part 23 , and a sludge output part 24 . The sludge receiving part 21 is located below the sludge collecting tank 19 and is used for receiving the sludge discharged from the sludge dehydrator. The sludge receiving part 21 is closely connected with the sludge granulation part 22 , that is, the sludge receiving part 21 can directly transfer the sludge to the sludge granulation part 22 . The sludge granulation unit 22 is a flat plate with holes. A sludge extruding part 23 is arranged above the sludge granulating part 22, and the sludge extruding part 23 can press the sludge above the sludge granulating part 22, thereby allowing the sludge to pass through the holes of the sludge granulating part 22. Leakage, forming strips or granules. The sludge output unit 24 is located below the sludge granulation unit 22 , and is used to receive strip or granular sludge falling from the sludge granulation unit 22 , and then output the sludge to the sludge granulation system 2 .

The sludge drying system 3 includes a rotary drying kiln 31 and a sludge conveying member 32 . The sludge conveying member 32 is located at the same level as the sludge output part 24 in the sludge granulation system 2 , and can receive the sludge sent from the sludge granulation system 2 . Next, the sludge conveying member 32 brings the sludge into the rotary drying kiln 31 and drives the sludge to move in the rotary drying kiln 31 . After the rotary drying kiln 31 finishes drying the sludge, the sludge transfer member 32 immediately transfers the dried sludge out of the rotary drying kiln 31 .

The sludge recovery system 4 is a sludge conveyor belt, which is connected to the sludge conveyor component 32 and is used to receive dried sludge and transport the sludge to a designated area for centralized treatment.

In order to reduce human labor, the sludge dewatering system 1, sludge granulation system 2, sludge drying system 3 and sludge recovery system 4 are all controlled by PLC, and the whole sludge treatment system realizes automatic assembly line production, no need Manual intervention greatly reduces the cost of sludge treatment.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also change and modify the above embodiment. Therefore, the utility model is not limited to the specific implementation manners disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.

Claims (10)

1. A sludge treatment system based on a fast dewatering machine, characterized in that: comprising a sludge dewatering system, a sludge granulation system, a sludge drying system, and a sludge recovery system connected in sequence, the sludge dehydration system The system is used to remove most of the water in the sludge. The sludge granulation system is used to make the sludge out of water into strips or granules. The sludge drying system is used to make strips or granules. The sludge is dried, and the sludge recovery system is used to collect the dried sludge. 2. The sludge treatment system based on a fast dewatering machine according to claim 1, characterized in that: the sludge dewatering system is mainly composed of a fast dewatering machine, and the fast dewatering machine includes a cuboid funnel, a conduit and a vacuum pump, One end of the conduit is connected to the bottom of the funnel, the other end of the conduit is connected to the vacuum pump, the vacuum pump is used to provide vacuum suction to the bottom of the funnel, and a suction filter plate is arranged inside the funnel and a scraper, the scraper is perpendicular to the suction filter plate and is in contact with the suction filter plate, the scraper is fixed above the suction filter plate by a mechanical arm and can move left and right above the suction filter plate To move, an openable door is arranged on one or both sides of the funnel. 3. The sludge treatment system based on a fast dehydrator according to claim 2, wherein the door is an automatic lifting door, and the automatic lifting door includes a door panel, a chute and an automatic lifting mechanism, and the chute It is a "U"-shaped groove, located on the side of the funnel and perpendicular to the suction filter plate, the two sides of the door plate perpendicular to the suction filter plate are located in the chute and can be placed in the Slide up and down in the chute, the door panel is connected with the automatic lifting mechanism, and the automatic lifting mechanism can drive the door panel to slide up and down, so as to realize the opening and closing of the door. 4. The sludge treatment system based on a rapid dehydrator according to claim 3, wherein the automatic lifting mechanism is a screw lifting mechanism and is located below the automatic lifting door, and the screw lifting mechanism includes a screw and the driver, the end of the screw rod close to the driver is a threaded threaded rod, the end of the screw rod near the door is a smooth cylindrical rod, and the cross-sectional area of the cylindrical rod is smaller than that of the threaded rod , the cylindrical rod passes through the bottom of the funnel and cooperates with the chute. When the driver pushes the screw to move upward, the screw pushes the automatic lift door to move upward. When the driver When the screw rod is pushed to move downward, the automatic lifting door will fall back to the plane of the suction filter plate under the action of gravity. 5. The sludge treatment system based on a fast dehydrator according to claim 4, wherein the chute is semi-cylindrical, and the diameter of the semi-cylindrical is equal to the diameter of the cylindrical rod, that is, when the When the cylindrical rod cooperates with the chute, half of the cylindrical rod will sink into the chute, and the other half of the cylindrical rod will be located outside the chute. 6. The sludge treatment system based on a rapid dehydrator according to claim 2, characterized in that: a sludge collection tank is arranged on one or both sides of the funnel, and the sludge collection tank is in the shape of a "U" Type and obliquely arranged outside the door, the width of the sludge collection tank is equal to the width of the door. 7. The sludge treatment system based on the quick dehydrator according to claim 2, characterized in that: the sludge dewatering system also includes a sludge pumping device, and the sludge pumping device has two outlets, so The outlets are respectively located at the two ends above the funnel, and a sludge discharge switch is arranged at the outlets. 8. The sludge treatment system based on the fast dehydrator according to claim 1, characterized in that: the sludge granulation system comprises a sludge receiving part, a sludge granulation part, a sludge extruding part, a sludge output part; the sludge receiving part is located on one side of the sludge dehydrator, and is used to receive the sludge discharged from the sludge dewaterer; the sludge granulation part is a flat plate with holes and is connected to the The sludge receiving part is connected; the sludge extruding part is located above the sludge granulation part, and is used to squeeze the sludge to make the sludge leak from the hole in the sludge granulation part; the sludge output The part is located below the sludge granulation part, and is used to output the sludge into the sludge granulation system. 9. The sludge treatment system based on a fast dehydrator according to claim 1, characterized in that: the sludge drying system includes a rotary drying kiln and a sludge transfer component, and the sludge transfer component is used to receive The sludge sent by the sludge granulation system is then brought into the rotary drying kiln, and finally the sludge is transported out of the rotary drying kiln. 10. The sludge treatment system based on the fast dehydrator according to claim 1, characterized in that: the sludge dewatering system, the sludge granulation system, the sludge drying system and the sludge The recovery system is controlled by PLC, and the entire sludge treatment system realizes automatic assembly line production.