Dredged sediment solidification treatment device

Abstract

The utility model relates to a dredged sediment solidification treatment device, which belongs to the technical field of environmental protection engineering, and comprises a treatment barrel, the bottom of the treatment barrel is fixedly connected with a compression box, a spiral stirring paddle is rotatably mounted in the treatment barrel, and special-shaped stirring rods are arranged in the treatment barrel and positioned on the periphery of the spiral stirring paddle. The device has the beneficial effects that the spiral stirring paddle can be driven to rotate under the driving of the three-phase alternating-current asynchronous motor, so that the central bottom mud in the treatment barrel can be stirred, a strong turbulence effect can be generated, the uniform dispersion of materials is ensured, the spiral stirring paddle can also drive the outer gear ring to rotate in the rotating process, and the stirring effect is improved. Therefore, a plurality of special-shaped stirring rods can be driven to rotate by virtue of a driven gear, and peripheral bottom mud in the treatment barrel can be stirred by virtue of an auxiliary stirring paddle, so that the mixing effect of the bottom mud and a curing agent can be improved, and the curing effect of the bottom mud can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of environmental protection engineering, especially a kind of dredging sludge solidification treatment device. BACKGROUND

[0002] At present, in the water conservancy construction and environmental protection work in our country, due to the problems such as water body eutrophication, a large amount of sludge is accumulated, which seriously affects the safety of waterway and water purification efficiency, therefore, how to effectively dispose the sediments after dredging operation has become one of the key issues to be solved.

[0003] And a large amount of sludge will be produced after river dredging, which needs to be solidified and treated before being used as soil resources, and the solidification method is to mix the sludge with solidifying agent, which can convert the flowing sludge into soil material with certain strength for use.

[0004] At present, the solidifying agent is usually poured into the sludge storage pool, and then the sludge in the sludge storage pool is stirred, but this treatment method makes the solidifying agent and sludge mixed unevenly, so that the solidification degree of each sludge in the sludge storage pool is different, which affects the solidification effect of sludge. UTILITY MODEL CONTENT

[0005] In view of the above problems existing in the prior art, the main purpose of the utility model is to provide a kind of dredging sludge solidification treatment device.

[0006] The technical scheme of the utility model is as follows: a kind of dredging sludge solidification treatment device, including processing cylinder, the bottom of the processing cylinder is fixedly connected with compression box, spiral stirring paddle is rotatably installed in the inside of the processing cylinder, profile stirring rod is arranged at the periphery of spiral stirring paddle in the inside of the processing cylinder, the outer side of profile stirring rod is fixedly connected with vice stirring paddle at equal intervals, the top of profile stirring rod is rotatably connected with the inner wall of processing cylinder, the top of the outer side of spiral stirring paddle is fixedly connected with outer gear ring, the outer side of profile stirring rod is fixedly connected with driven gear, the driven gear is meshed with outer gear ring.

[0007] By adopting the above technical scheme, under the driving of three-phase alternating current asynchronous motor, spiral stirring paddle can be driven to rotate, so that the center sludge in the processing cylinder can be stirred, which can produce strong turbulent effect to ensure uniform dispersion of materials, and spiral stirring paddle will also drive the rotation of outer gear ring during rotation, so that multiple profile stirring rods can be driven to rotate by driven gear, and then the sludge around the processing cylinder can be stirred by vice stirring paddle.

[0008] As a preferred implementation, the interior of the compression box is provided with a compression forming mechanism, the compression forming mechanism comprises a double-axial hydraulic cylinder fixedly installed on the inner wall of the compression box, and the interior of the compression box is slidably installed with an L-shaped extrusion plate, and the piston rod of the double-axial hydraulic cylinder is fixedly connected with the inner wall of the L-shaped extrusion plate.

[0009] By adopting the above technical scheme, the piston rod of the double-axial hydraulic cylinder can drive the L-shaped extrusion plate to further compress the soil material in the compression box, so that the pretreated mud slurry forms a block-shaped solid, thereby reducing the storage and transportation costs. At this time, the L-shaped extrusion plate will cause blockage of the discharge port, so that the bottom mud in the treatment cylinder cannot be discharged.

[0010] As a preferred implementation, the outer side of the treatment cylinder is provided with a precise discharging mechanism, the precise discharging mechanism comprises a total discharging pipe fixedly connected to the outer side of the treatment cylinder, a bottom disc fixedly connected to the top of the total discharging pipe, five storage tanks fixedly connected to the top of the bottom disc at equal intervals, and five sub-discharging pipes embedded in the interior of the bottom disc, the top end of each sub-discharging pipe extending into the interior of a corresponding storage tank, and the bottom end of each sub-discharging pipe extending into the interior of the total discharging pipe.

[0011] By adopting the above technical scheme, the electromagnetic valve and the metering valve can realize automatic discharging, and play an important role in precise discharging of the curing agent, thereby avoiding quality fluctuations caused by human factors.

[0012] As a preferred implementation, the precise discharging mechanism further comprises an electromagnetic valve fixedly installed in the interior of the sub-discharging pipe, the electromagnetic valve being arranged on the side close to the storage tank, and a metering valve fixedly installed in the interior of each sub-discharging pipe, the metering valve being arranged on the side close to the total discharging pipe.

[0013] By adopting the above technical scheme, when the dosage reaches a preset value, information is transmitted to the controller, and the electromagnetic valve is controlled to be closed by the controller, so as to realize automatic discharging of the curing agent.

[0014] As a preferred implementation, the top end of the treatment cylinder is fixedly installed with a three-phase alternating current asynchronous motor, the output shaft of the three-phase alternating current asynchronous motor extending into the interior of the treatment cylinder and being fixedly connected with the helical stirring paddle, the top end of each storage tank is hingedly connected with a sealing cover, and each storage tank is made of transparent glass material.

[0015] By adopting the above technical scheme, the transparent glass material is provided to facilitate observation of the curing agent capacity in the storage tank by the staff.

[0016] As a preferred implementation, the bottom end of the processing cylinder and the top end of the compression box are provided with a discharging port, the processing cylinder is in communication with the interior of the compression box, one side of the inner wall of the compression box is fixedly connected with a pressure receiving plate, and the inner wall of the storage tank and the processing cylinder is provided with an inclined surface facilitating discharging.

[0017] By adopting the above technical scheme, the pressure receiving plate is arranged, so that the compression box can be prevented from being damaged due to frequent extrusion of the L-shaped extrusion plate.

[0018] As a preferred implementation, the outer side of the compression box is hingedly connected with a sealing plate, the inner side of the sealing plate is provided with a viewing window, the outer side of the processing cylinder is fixedly connected with a feeding pipe, and the top end of the feeding pipe is fixedly connected with a connecting flange.

[0019] By adopting the above technical scheme, the feeding pipe can be connected with the output end of the external suction pump through the connecting flange.

[0020] As a preferred implementation, the outer side of the processing cylinder is fixedly connected with a controller, and the three-phase alternating current asynchronous motor, the double-shaft hydraulic cylinder, the metering valve and the electromagnetic valve are electrically connected with the controller.

[0021] By adopting the above technical scheme, the three-phase alternating current asynchronous motor, the double-shaft hydraulic cylinder, the metering valve and the electromagnetic valve can be controlled to start and stop through the controller.

[0022] Compared with the prior art, the advantages and positive effects of the utility model are that,

[0023] 1. In the utility model, the device adopts a combination of a cylinder and a box, which can greatly reduce the equipment footprint size and improve the moving convenience compared with the traditional reaction pool. Under the driving of the three-phase alternating current asynchronous motor, the screw stirring paddle can be driven to rotate, thereby the center sludge in the processing cylinder can be stirred, so that a strong turbulent effect can be generated to ensure uniform dispersion of the material. In the rotating process of the screw stirring paddle, the rotation of the outer gear ring is also driven, so that the driven gear can drive a plurality of special-shaped stirring rods to rotate, thereby the four surrounding sludges in the processing cylinder can be stirred by the auxiliary stirring paddle, so that the mixing effect of the sludge and the curing agent can be improved, and the curing effect of the sludge can be improved.

[0024] 2. The utility model discloses a when the bottom mud of flowing state is converted into the soil material with certain intensity, can fall to the inside of compression box, and through the extension of the piston rod of double axial hydraulic cylinder, can drive L extrusion board to the soil material in compression box further compression, make the pretreatment slurry form block solid, to reduce the storage and transportation expense, at this time, L extrusion board can cause the clogging of the discharge gate, make the bottom mud in the processing cylinder body can not realize the discharging operation, and when the piston rod of double axial hydraulic cylinder contracts, the bottom mud in the processing cylinder body can fall into the inside of compression box freely, thereby convenient better realization bottom mud's compression forming purpose.

[0025] 3. The utility model discloses through the setting of multiple storage tanks, can store multiple kinds of curing agent, and through the action of electromagnetic valve and metering valve, can realize the automatic unloading purpose, and important accurate unloading operation to the dosage of curing agent is played, avoids the quality fluctuation phenomenon caused by human factor interference. DRAWINGS

[0026] Figure 1 Provide a kind of overall perspective view of dredged bottom mud solidification treatment device for the utility model;

[0027] Figure 2 Provide a kind of sectional view of dredged bottom mud solidification treatment device for the utility model;

[0028] Figure 3 Provide a kind of accurate unloading mechanism structure schematic view of dredged bottom mud solidification treatment device for the utility model;

[0029] Figure 4 Provide a kind of accurate unloading mechanism structure schematic view of dredged bottom mud solidification treatment device for the utility model; Figure 2 The enlarged view of A in the middle.

[0030] Legend: 1, processing cylinder body;2, three-phase alternating current asynchronous motor;3, controller;4, compression box;5, spiral stirring paddle;6, discharge gate;7, double axial hydraulic cylinder;8, L extrusion board;9, pressure plate;10, special-shaped stirring rod;11, auxiliary stirring paddle;12, driven gear;13, outer gear ring;14, bottom disc;15, storage tank;16, total discharge pipe;17, metering valve;18, electromagnetic valve;19, auxiliary discharge pipe;20, feed pipe. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor belong to the scope of protection of the present application.

[0032] Referring to Figures 1-4 A kind of dredged sediment solidification treatment device, including processing cylinder 1, the bottom of processing cylinder 1 is fixedly connected with compression box 4, rotatingly installed with helical stirring paddle 5 in the inside of processing cylinder 1, the inside of processing cylinder 1 and located at the four around of helical stirring paddle 5 are all provided with profiled stirring rod 10, the outside of profiled stirring rod 10 is all equidistantly fixedly connected with auxiliary stirring paddle 11, the top of profiled stirring rod 10 is all rotatably connected with the inner wall of processing cylinder 1, the top of the outside of helical stirring paddle 5 is fixedly connected with outer ring gear 13, the outside of profiled stirring rod 10 is all fixedly connected with driven gear 12, driven gear 12 is all meshingly connected with outer ring gear 13, the device adopts the combination mode of cylinder and box, compared with traditional reaction pool, equipment footprint size can be greatly reduced, the degree of mobility is improved, and the top of processing cylinder 1 is equipped with accurate discharging mechanism, introduces automatic batching system, avoids the quality fluctuation phenomenon caused by human factors interference, and the bottom of processing cylinder 1 is equipped with compression forming mechanism, can generate more compact product form in shorter time, reduces storage and transportation expenses, and under the drive of three-phase alternating current asynchronous motor 2, helical stirring paddle 5 can be rotated, then the center sediment in processing cylinder 1 can be stirred, in this way, strong turbulent effect can be generated, to ensure that materials are uniformly dispersed, and helical stirring paddle 5 will also drive the rotation of outer ring gear 13 during rotation, in this way, driven gear 12 can drive multiple profiled stirring rods 10 to rotate, then auxiliary stirring paddle 11 can be used to stir the sediment around in processing cylinder 1, so that the mixing effect of sediment and solidifying agent can be improved, thereby the solidification effect of sediment can be improved.

[0033] Referring to Figure 2 The inside of compression box 4 is provided with compression forming mechanism, the compression forming mechanism includes double-axial hydraulic cylinder 7 fixedly installed on the inner wall of compression box 4, L-shaped extrusion plate 8 is slidingly installed in the inside of compression box 4, the inner wall of piston rod of double-axial hydraulic cylinder 7 is fixedly connected with L-shaped extrusion plate 8, when the flowing state sediment is converted into soil material with certain strength, it will fall into the inside of compression box 4, and through the extension of piston rod of double-axial hydraulic cylinder 7, L-shaped extrusion plate 8 can further compress the soil material in compression box 4, so that the pretreated mud slurry forms block solid, to reduce storage and transportation expenses, at this time, L-shaped extrusion plate 8 will cause the blockage of discharging port 6, so that the sediment in processing cylinder 1 cannot be discharged, when the piston rod of double-axial hydraulic cylinder 7 is retracted, the sediment in processing cylinder 1 can fall into the inside of compression box 4 freely, so that the compression forming purpose of sediment can be better achieved.

[0034] Referring to Figure 3The outer side of the processing cylinder 1 is provided with a precise discharging mechanism, the precise discharging mechanism comprises a total discharging pipe 16 fixedly connected to the outer side of the processing cylinder 1, the top of the total discharging pipe 16 is fixedly connected with a bottom disc 14, the top of the bottom disc 14 is fixedly connected with five storage tanks 15 at equal intervals, the inside of the bottom disc 14 is embedded with five auxiliary discharging pipes 19, the top end of the auxiliary discharging pipe 19 extends to the inside of the corresponding storage tank 15, and the bottom end of the auxiliary discharging pipe 19 extends to the inside of the total discharging pipe 16, through the arrangement of the plurality of storage tanks 15, a plurality of types of curing agents can be stored, and through the action of the electromagnetic valve 18 and the metering valve 17, the purpose of automatic discharging can be achieved, and the use amount of the curing agent plays an important role in precise discharging operation, avoiding the quality fluctuation phenomenon caused by human factors.

[0035] With reference to Figure 3 The precise discharging mechanism further comprises an electromagnetic valve 18 fixedly installed in the auxiliary discharging pipe 19, the electromagnetic valve 18 is arranged on the side close to the storage tank 15, the inside of the auxiliary discharging pipe 19 is fixedly installed with a metering valve 17, the metering valve 17 is arranged on the side close to the total discharging pipe 16, through the arrangement of the metering valve 17, the dose of the curing agent flowing out of the auxiliary discharging pipe 19 can be precisely measured, and after the dose reaches the preset value, information is transmitted to the controller 3, and the electromagnetic valve 18 is controlled to be closed through the controller 3, so as to achieve the purpose of automatic discharging of the curing agent.

[0036] With reference to Figure 3 The top end of the processing cylinder 1 is fixedly installed with a three-phase alternating current asynchronous motor 2, the output shaft of the three-phase alternating current asynchronous motor 2 extends to the inside of the processing cylinder 1 and is fixedly connected with the spiral stirring paddle 5, the top end of the storage tank 15 is hingedly connected with a sealing cover, and the storage tank 15 is made of transparent glass material, so that the staff can observe the capacity of the curing agent in the storage tank 15, and the curing agent can be conveniently added.

[0037] With reference to Figure 2 The bottom end of the processing cylinder 1 and the top end of the compression box 4 are both provided with a discharging port 6, the processing cylinder 1 is in communication with the inside of the compression box 4, a pressure receiving plate 9 is fixedly connected to one side of the inner wall of the compression box 4, and the inner wall of the processing cylinder 1 and the storage tank 15 are both provided with inclined surfaces facilitating discharging, through the arrangement of the discharging port 6, the solidified sludge can enter the compression box 4, and the pressure receiving plate 9 is arranged to avoid damage to the compression box 4 caused by frequent extrusion of the L-shaped extrusion plate 8.

[0038] With reference to Figure 1 The outer side of the compression box 4 is hingedly connected with a sealing plate, the inside of the sealing plate is provided with a viewing window, the outer side of the processing cylinder 1 is fixedly connected with a feeding pipe 20, and the top end of the feeding pipe 20 is fixedly connected with a connecting flange, through the arrangement of the connecting flange, the feeding pipe 20 can be connected with the output end of the external suction pump.

[0039] With reference toFigure 1 The controller 3 is fixedly installed on the outer side of the processing barrel 1, the three-phase alternating current asynchronous motor 2, the double-axial hydraulic cylinder 7, the metering valve 17 and the electromagnetic valve 18 are electrically connected with the controller 3, and the three-phase alternating current asynchronous motor 2, the double-axial hydraulic cylinder 7, the metering valve 17 and the electromagnetic valve 18 can be controlled to start and stop through the controller 3.

[0040] Working principle: first, use the connecting flange to connect the feed pipe 20 with the output end of the external suction pump, and pour various types of curing agent into the inside of the storage tank 15, and then close the sealing cover. Compared with the traditional reaction tank, the device adopts the combination of barrel and box, which can greatly reduce the equipment footprint and improve the moving convenience. The three-phase alternating current asynchronous motor 2 is started by the controller 3, and under the driving of the three-phase alternating current asynchronous motor 2, the spiral stirring paddle 5 can be driven to rotate, thereby the center sludge in the processing barrel 1 can be stirred, so that the strong turbulent effect can be generated to ensure the uniform dispersion of the material. The outer ring gear 13 is also driven to rotate during the rotation of the spiral stirring paddle 5, so that the multiple special-shaped stirring rods 10 are driven to rotate by the driven gear 12, and the sludge around the processing barrel 1 is stirred by the auxiliary stirring paddle 11, thereby the mixing effect of the sludge and the curing agent is improved.

[0041] The metering valve 17 can accurately measure the dosage of the curing agent flowing out from the auxiliary discharge pipe 19. When the dosage reaches the preset value, the information is transmitted to the controller 3, and the electromagnetic valve 18 is closed by the controller 3 to realize the automatic discharge of the curing agent.

[0042] When the flowing sludge is converted into soil material with certain strength, it will fall into the inside of the compression box 4, and the L-shaped extrusion plate 8 can further compress the soil material in the compression box 4 by the extension of the piston rod of the double-axial hydraulic cylinder 7, so that the pretreated slurry forms a blocky solid to reduce the storage and transportation cost. At this time, the L-shaped extrusion plate 8 will block the discharge port 6, so that the sludge in the processing barrel 1 cannot be discharged. When the piston rod of the double-axial hydraulic cylinder 7 is retracted, the sludge in the processing barrel 1 can fall into the inside of the compression box 4 without obstruction, thereby better realizing the compression molding purpose of the sludge.

[0043] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation" "is provided with" "connection" and the like, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integral connection;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication, for the ordinary skill in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0044] The above is only the preferred embodiment of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A dredged sediment solidification treatment device comprising a treatment cylinder (1), characterized in that: The bottom of the processing cylinder (1) is fixedly connected with a compression box (4), a spiral stirring paddle (5) is rotatably installed in the processing cylinder (1), profiled stirring rods (10) are arranged around the spiral stirring paddle (5) in the processing cylinder (1), sub-stirring paddles (11) are fixedly connected to the outer sides of the profiled stirring rods (10) at equal intervals, the top ends of the profiled stirring rods (10) are rotatably connected with the inner wall of the processing cylinder (1), an outer gear ring (13) is fixedly connected to the top end of the outer side of the spiral stirring paddle (5), driven gears (12) are fixedly connected to the outer sides of the profiled stirring rods (10), and the driven gears (12) are meshingly connected with the outer gear ring (13).

2. A device for solidification treatment of dredged sludge according to claim 1, characterized in that A compression molding mechanism is arranged in the compression box (4), the compression molding mechanism comprises a double-axial hydraulic cylinder (7) fixedly installed on the inner wall of the compression box (4), and an L-shaped extrusion plate (8) is slidably installed in the compression box (4), the piston rod of the double-axial hydraulic cylinder (7) is fixedly connected with the inner wall of the L-shaped extrusion plate (8).

3. A device for solidification treatment of dredged sludge according to claim 2, characterized in that A precise discharging mechanism is arranged on the outer side of the processing cylinder (1), the precise discharging mechanism comprises a total discharging pipe (16) fixedly connected to the outer side of the processing cylinder (1), a bottom disc (14) fixedly connected to the top of the total discharging pipe (16), storage tanks (15) fixedly connected to the top of the bottom disc (14) at equal intervals, and five sub-discharging pipes (19) embedded in the bottom disc (14), the top ends of the sub-discharging pipes (19) extend into the corresponding storage tanks (15), and the bottom ends of the sub-discharging pipes (19) extend into the total discharging pipe (16).

4. A device for solidification treatment of dredged sludge according to claim 3, characterized in that: The precise discharging mechanism further comprises electromagnetic valves (18) fixedly installed in the sub-discharging pipes (19), the electromagnetic valves (18) are arranged on the side close to the storage tanks (15), and metering valves (17) are fixedly installed in the sub-discharging pipes (19) on the side close to the total discharging pipe (16).

5. A device for the treatment of dredged sludge according to claim 4, characterized in that: A three-phase alternating current asynchronous motor (2) is fixedly installed at the top end of the processing cylinder (1), the output shaft of the three-phase alternating current asynchronous motor (2) extends into the processing cylinder (1) and is fixedly connected with the spiral stirring paddle (5), sealing covers are hingedly connected to the top ends of the storage tanks (15), and the storage tanks (15) are made of transparent glass.

6. A device for solidification treatment of dredged sludge according to claim 3, characterized in that: Discharging ports (6) are formed in the bottom end of the processing cylinder (1) and the top end of the compression box (4), the processing cylinder (1) and the compression box (4) are in communication, a pressure receiving plate (9) is fixedly connected to one side of the inner wall of the compression box (4), and the inner walls of the storage tanks (15) and the processing cylinder (1) are provided with inclined surfaces facilitating discharging.

7. A device for solidification treatment of dredged sludge according to claim 1, characterized in that: A sealing plate is hingedly connected to the outer side of the compression box (4), a viewing window is arranged in the sealing plate, a feeding pipe (20) is fixedly connected to the outer side of the processing cylinder (1), and a connecting flange is fixedly connected to the top end of the feeding pipe (20). A sealing plate is hingedly connected to the outer side of the compression box (4), a viewing window is arranged in the sealing plate, a feeding pipe (20) is fixedly connected to the outer side of the processing cylinder (1), and a connecting flange is fixedly connected to the top end of the feeding pipe (20).

8. A device for solidification treatment of dredged sludge according to claim 5, characterized in that: The controller (3) is fixedly installed on the outside of the processing cylinder (1), and the three-phase alternating current asynchronous motor (2), the double-shaft hydraulic cylinder (7), the metering valve (17) and the electromagnetic valve (18) are electrically connected with the controller (3).

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