A river dredging silt solidification treatment device for water conservancy projects

Abstract

The present invention discloses a river dredged sludge solidification treatment device for water conservancy projects, which relates to the technical field of water conservancy projects. The device comprises a reaction box, wherein support legs are fixedly installed on the bottom of the reaction box, a suction pump is fixedly installed on the top of the reaction box, a suction pipe is fixedly installed on the top of the suction pump, and a pushing and stirring device is arranged inside the reaction box, wherein the pushing and stirring device comprises a motor, a rotating shaft, a stirring plate, a gear 1, a reciprocating screw rod, a gear 2, a sleeve, an elastic telescopic rod 1 and a scraper rod, and the stirring plate is rotated to continuously stir the sludge inside the reaction box, ensuring that each part of the sludge can fully react with the curing agent, thereby enhancing the curing effect and effectively reducing the fluidity of harmful substances in the sludge. At the same time, through stirring, the moisture and harmful substances in the sludge can better react with the curing agent, reducing the release of odor or the emission of harmful gases caused by incomplete curing.

Description

Technical Field

[0001] The invention relates to the technical field of water conservancy projects, and in particular to a river dredging silt solidification treatment device for water conservancy projects. Background Art

[0002] The river dredging silt solidification treatment device for water conservancy projects is a device specially used to treat the silt generated during the river dredging process. It mixes the dredged silt with a solidifying agent to solidify the silt into a stable solid material, which is convenient for subsequent transportation, landfill or resource utilization.

[0003] The patent with patent announcement number CN217398716U relates to the field of water conservancy engineering technology, specifically a river dredged silt solidification treatment device for water conservancy projects, including a box body, a screen box and a water tank, the top of the box body is connected with a sewage inlet pipe, a stirring device is provided on the box body, the box body is fixedly connected to the top of the screen box through multiple support rods, the bottom end of the box body is connected to the top of the screen box with a sewage pipe, a valve is provided on the sewage pipe, a through hole is opened at the right end of the screen box, a plurality of screens are slidably connected to the inside of the box body, and the right ends of the plurality of screens are detachably connected to a connecting plate, a motor 1 is installed at the right end of the screen box, the output end of the motor 1 is fixedly connected to a turntable, and the top of the turntable is fixedly connected to a sliding rod. Compared with the existing technology, the river dredged silt solidification treatment device for water conservancy projects is convenient for separating the moisture in the silt from the solidified silt, and is convenient for automatically discharging the solidified silt.

[0004] In the above patent, a stirring device is provided, and the box body is fixedly connected to the top of the screen box through multiple support rods. The bottom end of the box body is connected to the top of the screen box via a sewage pipe, and a valve is provided on the sewage pipe. A through hole is provided at the right end of the screen box. However, when the silt enters the interior of the device, it is difficult to slow down the silt and scrape off the silt stuck to the inner wall, which easily causes the silt to splash everywhere due to excessive impact force during the falling process. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the present invention provides a river dredged silt solidification treatment device for water conservancy projects, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A river dredged sludge solidification treatment device for water conservancy projects, comprising a reaction box, a support leg fixedly mounted on the bottom of the reaction box, a suction pump fixedly mounted on the top of the reaction box, a suction pipe fixedly mounted on the top of the suction pump, and a pushing and stirring device provided inside the reaction box;

[0007] The agitating device comprises a motor, a rotating shaft, a stirring plate, a gear 1, a reciprocating screw rod, a gear 2, a sleeve, an elastic telescopic rod 1 and a scraper rod, the motor is fixedly mounted on the top of the reaction box, the rotating shaft is fixedly mounted on the output end of the motor, the stirring plate is fixedly mounted on the circumferential surface of the rotating shaft, the gear 1 is fixedly mounted on the circumferential surface of the rotating shaft, the reciprocating screw rod is rotatably mounted on the top of the inner wall of the reaction box, the gear 2 is fixedly mounted on the circumferential surface of the reciprocating screw rod, the sleeve is slidably mounted on the circumferential surface of the reciprocating screw rod, the elastic telescopic rod 1 is fixedly mounted on the bottom of the sleeve, and the scraper rod is fixedly mounted on the movable end of the elastic telescopic rod 1. The rotation of the rotating shaft drives the first gear to rotate, the rotation of the gear 1 drives the second gear to rotate, the rotation of the gear 2 drives the reciprocating screw rod to rotate, the rotation of the reciprocating screw rod drives the sleeve to move, the sleeve movement drives the elastic telescopic rod to move, the movement of the elastic telescopic rod drives the scraper rod to move, and the scraper rod moves to scrape off the silt that falls and sticks to the inclined plate;

[0008] Among them, the top of the reaction box is provided with a quantitative device for quantitatively adding the agent and a limiting device for limiting the discharge port. The quantitative device is provided to ensure that a certain amount of curing agent is added each time, and the limiting device is provided to ensure stable operation of the equipment.

[0009] According to the above technical solution, the pushing and stirring device also includes an inclined plate, which is fixedly installed inside the reaction box. Gear 1 is engaged with gear 2, and the scraper rod is in contact with the inclined plate. The engagement ensures that gear 1 can drive gear 2 to rotate when it rotates, and the contact ensures that the scraper rod can clean the inclined plate when it moves.

[0010] According to the above technical solution, the quantitative device includes a medicine tank, a medicine tube, a fixed door, a rotating rod, two rotating doors, gear three and a rack. The medicine tank is fixedly installed on the top of the reaction box, the medicine tube is fixedly installed on the bottom of the medicine tank, the fixed door is fixedly installed on the inner wall of the medicine tube, the rotating rod is rotatably installed inside the medicine tube, the two rotating doors are respectively fixedly installed on the top and bottom of the rotating rod, the gear three is fixedly installed on the bottom of the rotating rod, and the rack is fixedly installed on the top of the stirring plate. When the stirring plate rotates, the rack starts to rotate, the rack rotates and contacts and drives gear three to start rotating, the gear three rotates and drives the rotating rod to start rotating, the rotating rod rotates and drives the rotating door to start rotating, the rotating door rotates and cooperates with the fixed door, the lower rotating door rotates to open and the corresponding upper rotating door rotates to close.

[0011] According to the above technical solution, the dosing device also includes an inner rod and a flap. The inner rod is fixedly installed on the top of the rotating rod, and the flap is fixedly installed on the circumferential surface of the inner rod. When the rotating rod rotates, the inner rod starts to rotate, and the rotation of the inner rod drives the flap to start rotating. The rotation of the flap stirs the inside of the medicine tank.

[0012] According to the above technical solution, the fixed door is in contact with the rotating door, the gear three is engaged with the rack, and a torsion spring is provided inside the rotating rod. The contact ensures that the fixed door and the rotating door can cooperate with each other, the engagement ensures that the rack can drive the gear three to rotate when moving, and the torsion spring ensures that the rotating rod can rotate and reset.

[0013] When the handle is pulled back, the push rod is moved back and forth, and the push rod is moved back and forth, and the push rod is moved back and forth, and the push rod is moved back and forth, and the push rod is moved back and forth, and the push rod is moved back and forth, and the push rod is moved back and forth, and the push rod is moved back and forth, and the push rod is moved

[0014] According to the above technical solution, the limiting device also includes a sliding column and a fixed plate. The sliding column slides through the reaction box, and the fixed plate is fixedly installed on the surface of the sliding column. The stirring plate rotates while contacting and pushing the sliding column to start moving. The movement of the sliding column drives the fixed plate to start moving. The movement of the fixed plate compresses spring 2, and the movement of the sliding column limits the movement of the sliding door when the device is working.

[0015] According to the above technical solution, the sides of the push rod and the inclined plane block that are close to each other are both set as inclined planes, a spring 1 is set between the inclined plane block and the handle, and a spring 2 is set between the fixed plate and the inner wall of the reaction box. By setting the inclined plane, it is ensured that the push rod can smoothly push the inclined plane block when moving, by setting the spring 1, it is ensured that the inclined plane block can achieve self-reset, and by setting the spring 2, it is ensured that the fixed plate can achieve self-reset.

[0016] The present invention provides a device for solidifying and treating river dredged silt for water conservancy projects. It has the following beneficial effects:

[0017] (1) This invention absorbs the falling speed of most of the sludge by means of the inclined plate, thereby preventing the sludge from splashing or scattering due to excessive falling speed when entering the reaction box, reducing unnecessary sludge dispersion, and improving the working environment. The stirring plate rotates to continuously stir the sludge inside the reaction box, ensuring that each part of the sludge can fully react with the curing agent, thereby enhancing the curing effect. It can also effectively reduce the fluidity of harmful substances in the sludge and reduce the impact on the environment. At the same time, through stirring, the moisture and harmful substances in the sludge can better react with the curing agent, reducing the release of odor or the emission of harmful gases caused by incomplete curing.

[0018] (2) This invention scrapes off the silt that has fallen or stuck on the inclined plate by moving the scraper rod, ensuring that the surface of the inclined plate remains clean and avoiding equipment jamming or blockage due to silt accumulation, thereby ensuring the smooth operation of the entire device. At the same time, the scraper rod cleans the adhered silt, which can keep the surface of the inclined plate clean, facilitate the uniform distribution of new silt, improve the contact effect between the curing agent and the silt, and thus improve the curing efficiency.

[0019] (3) This invention ensures that a certain amount of curing agent is added to the reaction box each time by rotating the lower rotating door to open and the corresponding upper rotating door to close. By accurately controlling the amount of curing agent added, the ratio of sludge to curing agent can be optimized, thereby improving the curing effect and making the sludge solidify faster and more evenly. At the same time, accurately controlling the amount of curing agent added can avoid excessive use, reduce material waste, and reduce engineering costs. By rotating the flap to stir the inside of the agent tank, the curing agent is prevented from agglomerating during long-term storage or use, ensuring the fluidity and effectiveness of the curing agent. At the same time, regular stirring can ensure that the curing agent fully exerts its effect and avoid material waste due to uneven mixing.

[0020] (4) This invention, by moving the card rod to contact the card block and limit the movement of the sliding door, prevents it from moving accidentally during operation, ensures stable operation of the equipment, reduces the risk of equipment damage or personal injury, and at the same time limits the movement of the sliding door can reduce the friction and vibration caused by the sliding of the equipment, thereby extending the service life of the equipment. By moving the sliding column, the movement of the sliding door is limited when the device is working, ensuring that the sliding door will not be accidentally opened when the device is working, causing damage to the device or injury to the staff, avoiding danger and extending the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the reaction box and motor structure of the present invention;

[0023] Figure 3 This is a schematic cross-sectional view of the structure of the pushing and stirring device of the present invention;

[0024] Figure 4 It is a cross-sectional schematic diagram of the reciprocating screw rod and sleeve structure of the present invention;

[0025] Figure 5 This is a schematic cross-sectional view of the quantitative device structure of the present invention;

[0026] Figure 6 This is a schematic cross-sectional view of the sliding column and fixed plate structure of the present invention;

[0027] Figure 7 It is a schematic cross-sectional view of the limiting device structure of the present invention.

[0028] In the figure: 1. reaction box; 2. support leg; 3. suction pump; 4. suction pipe; 5. tilting plate; 6. motor; 7. rotating shaft; 8. stirring plate; 9. gear 1; 10. reciprocating screw; 11. gear 2; 12. sleeve; 13. elastic telescopic rod 1; 14. scraper; 151. medicine tank; 152. medicine tube; 153. fixed door; 154. rotating rod; 155. rotating door; 156. gear 3; 157. rack; 158. inner rod; 159. flap; 161. slide rail; 162. sliding door; 163. handle; 164. elastic telescopic rod 2; 165. grip ring; 166. push rod; 167. clamping rod; 168. inclined block; 169. clamping block; 1610. sliding column; 1611. fixed plate. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-Figure 7 One embodiment of the present invention is: a river dredged sludge solidification treatment device for water conservancy projects, comprising a reaction box 1, a support leg 2 fixedly mounted on the bottom of the reaction box 1, a suction pump 3 fixedly mounted on the top of the reaction box 1, a suction pipe 4 fixedly mounted on the top of the suction pump 3, and a pushing and stirring device provided inside the reaction box 1;

[0031] Among them, the pushing and stirring device includes a motor 6, a rotating shaft 7, a stirring plate 8, a gear 1 9, a reciprocating screw rod 10, a gear 2 11, a sleeve 12, an elastic telescopic rod 13 and a scraper 14. The motor 6 is fixedly mounted on the top of the reaction box 1, the rotating shaft 7 is fixedly mounted on the output end of the motor 6, the stirring plate 8 is fixedly mounted on the circumferential surface of the rotating shaft 7, the gear 1 9 is fixedly mounted on the circumferential surface of the rotating shaft 7, the reciprocating screw rod 10 is rotatably mounted on the top of the inner wall of the reaction box 1, the gear 2 11 is fixedly mounted on the circumferential surface of the reciprocating screw rod 10, and the sleeve 12 is slidably mounted on the reciprocating screw rod 1 0 circumferential surface, the elastic telescopic rod 13 is fixedly installed at the bottom of the sleeve 12, and the scraper 14 is fixedly installed at the movable end of the elastic telescopic rod 13. The sludge is continuously stirred inside the reaction box 1 by rotating the stirring plate 8 to ensure that each part of the sludge can fully react with the curing agent, thereby enhancing the curing effect, and effectively reducing the fluidity of harmful substances in the sludge and reducing the impact on the environment. At the same time, through stirring, the moisture and harmful substances in the sludge can better react with the curing agent, reducing the release of odor or the emission of harmful gases caused by incomplete curing.

[0032] The pushing and stirring device also includes an inclined plate 5, which is fixedly installed inside the reaction box 1. Gear 1 9 is engaged with gear 2 11, and the scraper 14 is in contact with the inclined plate 5. The engagement ensures that gear 1 9 can drive gear 2 11 to rotate when it rotates, and the contact ensures that the scraper 14 can clean the inclined plate 5 when it moves.

[0033] When this embodiment is working: first, the staff will check the working status of the device before starting work. When the staff confirms that the working status of the device is normal and there are no other problems, the device will be moved to the designated working position to confirm that the support legs 2 fully support the reaction box 1, and then the suction pipe 4 will be inserted into the sludge cleaned by the staff. Then the suction pump 3 will be started to draw the sludge into the reaction box 1 to start processing the sludge. When the sludge enters the reaction box 1, it will first contact the inclined plate 5. The inclined plate 5 absorbs the falling speed of most of the sludge to prevent the sludge from falling too fast when entering the reaction box 1, causing the sludge to splash or fly, reduce unnecessary dissipation of sludge, and improve the working environment. After the sludge enters the reaction box 1, the motor 6 is started to drive the rotating shaft 7 to start rotating. The rotation of the rotating shaft 7 drives the stirring plate 8 to start rotating. The stirring plate 8 rotates to continuously stir the sludge inside the reaction box 1 to ensure that every part of the sludge can fully react with the curing agent, thereby enhancing the curing effect and effectively reducing The fluidity of harmful substances in the sludge reduces the impact on the environment. At the same time, through stirring, the moisture and harmful substances in the sludge can better react with the curing agent, reducing the release of odor or the emission of harmful gases caused by incomplete curing. When the rotating shaft 7 rotates, it drives gear 1 9 to start rotating, and the rotation of gear 1 9 drives gear 2 11 to start rotating. The rotation of gear 2 11 drives the reciprocating screw 10 to start rotating. The rotation of the reciprocating screw 10 drives the sleeve 12 to start moving. The movement of the sleeve 12 drives the elastic telescopic rod 13 to start moving. The movement of the elastic telescopic rod 13 drives the scraper 14 to start moving. The scraper 14 moves to scrape off the silt that has fallen and stuck on the inclined plate 5, ensuring that the surface of the inclined plate 5 remains clean, avoiding equipment jamming or blockage due to silt accumulation, thereby ensuring the smooth operation of the entire device. At the same time, the scraper 14 cleans the adhered silt, which can keep the surface of the inclined plate 5 clean, which is conducive to the uniform distribution of new silt, improves the contact effect between the curing agent and the silt, and thus improves the curing efficiency.

[0034] See also Figure 1-Figure 7 On the basis of the above embodiment, in another embodiment of the present invention, a quantitative device for quantitatively adding the reagent and a limiting device for limiting the discharge port are provided on the top of the reaction box 1. The quantitative device is provided to ensure that a certain amount of curing agent is added each time, and the limiting device is provided to ensure stable operation of the equipment.

[0035] The quantitative device includes a medicine tank 151, a medicine tube 152, a fixed door 153, a rotating rod 154, two rotating doors 155, a gear 3 156 and a rack 157. The medicine tank 151 is fixedly installed on the top of the reaction box 1, the medicine tube 152 is fixedly installed on the bottom of the medicine tank 151, the fixed door 153 is fixedly installed on the inner wall of the medicine tube 152, the rotating rod 154 is rotatably installed inside the medicine tube 152, the two rotating doors 155 are respectively fixedly installed on the top and bottom of the rotating rod 154, and the gear 3 156 is fixedly installed. Installed at the bottom of the rotating rod 154, the rack 157 is fixedly installed on the top of the stirring plate 8. The lower rotating door 155 is rotated to open and the corresponding upper rotating door 155 is rotated to close to ensure that a certain amount of curing agent is added into the reaction box 1 each time. By accurately controlling the amount of curing agent added, the ratio of sludge to curing agent can be ensured to be optimal, thereby improving the curing effect and making the sludge cure faster and more evenly. At the same time, accurately controlling the amount of curing agent added can avoid excessive use, reduce material waste, and reduce engineering costs.

[0036] The dosing device also includes an inner rod 158 and a flap 159. The inner rod 158 is fixedly mounted on the top of the rotating rod 154, and the flap 159 is fixedly mounted on the circumferential surface of the inner rod 158. The flap 159 rotates to stir the inside of the medicine tank 151, thereby preventing the curing agent from agglomerating during long-term storage or use, thereby ensuring the fluidity and effectiveness of the curing agent. At the same time, regular stirring can ensure that the curing agent can fully exert its effect and avoid material waste due to uneven mixing.

[0037] The fixed door 153 is in contact with the rotating door 155, the gear three 156 is engaged with the rack 157, and a torsion spring is provided inside the rotating rod 154. The contact ensures that the fixed door 153 and the rotating door 155 can cooperate with each other, and the engagement ensures that the rack 157 can drive the gear three 156 to rotate when moving. The torsion spring ensures that the rotating rod 154 can rotate and reset.

[0038] The limiting device includes a slide rail 161, a sliding door 162, a handle 163, an elastic telescopic rod 164, a grip ring 165, a push rod 166, a clamping rod 167, an inclined block 168 and a clamping block 169. The slide rail 161 is fixedly mounted on the back of the reaction box 1, the sliding door 162 is slidably mounted inside the slide rail 161, the handle 163 is fixedly mounted on the back of the sliding door 162, the elastic telescopic rod 164 is fixedly mounted on the back of the sliding door 162, the grip ring 165 is fixedly mounted on the movable end of the elastic telescopic rod 164, the push rod 166 is fixedly mounted on the side of the grip ring 165 close to the movable end of the elastic telescopic rod 164, and the clamping rod 167 is fixedly mounted on the side of the grip ring 165 close to the movable end of the elastic telescopic rod 164. 7 slides through the handle 163, the inclined block 168 is fixedly installed on the end of the clamping rod 167 close to the grip ring 165, the clamping block 169 is fixedly installed on the back of the slide rail 161, the sliding column 1610 slides through the reaction box 1, and the fixed plate 1611 is fixedly installed on the surface of the sliding column 1610. The clamping rod 167 moves to contact the clamping block 169 and limit the movement of the sliding door 162 to prevent it from moving accidentally during operation, ensure the stable operation of the equipment, reduce the risk of equipment damage or personal injury, and at the same time, limit the movement of the sliding door 162 to reduce the friction and vibration caused by the sliding of the equipment, thereby extending the service life of the equipment.

[0039] The limiting device also includes a sliding column 1610 and a fixed plate 1611. The sliding column 1610 slides through the reaction box 1, and the fixed plate 1611 is fixedly installed on the surface of the sliding column 1610. The movement of the sliding column 1610 limits the movement of the sliding door 162 when the device is working, ensuring that the sliding door 162 will not be accidentally opened when the device is working, causing damage to the device or injury to the staff, avoiding danger and extending the service life of the device.

[0040] The sides of the push rod 166 and the inclined plane block 168 that are close to each other are both set as inclined planes, a spring 1 is set between the inclined plane block 168 and the handle 163, and a spring 2 is set between the fixed plate 1611 and the inner wall of the reaction box 1. By setting the inclined plane, it is ensured that the push rod 166 can smoothly push the inclined plane block 168 when moving, and by setting the spring 1, it is ensured that the inclined plane block 168 can achieve self-reset, and by setting the spring 2, it is ensured that the fixed plate 1611 can achieve self-reset.

[0041] When the embodiment is working, the rack 157 is driven to start rotating while the stirring plate 8 rotates, the rack 157 rotates and contacts and drives the gear 3 156 to start rotating, the gear 3 156 rotates and drives the rotating rod 154 to start rotating, the rotating rod 154 rotates and drives the rotating door 155 to start rotating, the rotating door 155 rotates and cooperates with the fixed door 153, the lower rotating door 155 rotates to open the corresponding upper rotating door 155, so as to ensure that a certain amount of curing agent is added to the reaction box 1 each time, and the ratio of sludge to curing agent can be ensured by accurately controlling the amount of curing agent added. To the best, thereby improving the solidification effect, making the sludge solidify faster and more evenly, and at the same time, accurately controlling the amount of curing agent added can avoid excessive use, reduce material waste, and reduce engineering costs. When the rotating rod 154 rotates, it drives the inner rod 158 to start rotating, and the rotation of the inner rod 158 drives the flap 159 to start rotating. The flap 159 rotates and stirs the inside of the agent tank 151 to prevent the curing agent from caking during long-term storage or use, ensuring the fluidity and effectiveness of the curing agent. At the same time, regular stirring can ensure that the curing agent can fully play its role and avoid material waste due to uneven mixing.

[0042] After the sludge solidification treatment is completed, the staff manually stops the operation of the device, and after waiting for the curing agent sludge to fully react and meet the requirements, the staff manually holds the handle 163 of the device, and then pulls the grip ring 165 to start moving, and the grip ring 165 moves to drive the push rod 166 to start moving, and the push rod 166 moves and gradually disengages from the contact with the inclined block 168. Then the inclined block 168 starts to move and reset under the action of spring 1, and the inclined block 168 moves to drive the card rod 167 to move, and the card rod 167 moves and gradually disengages from the card block 169. Then the restriction on the sliding door 162 is released. At this time, the staff manually pulls the handle 163 to pull the sliding door 162 upward along the slide rail 161, and stops pulling the grip ring 165 at the designated position. After the grip ring 165 is no longer pulled, the grip ring 165 starts to move and reset under the drive of the movable end of the elastic telescopic rod 2 164, and the grip ring 165 moves to drive the push rod 166 to start moving The push rod 166 moves to contact and push the inclined plane block 168 to start moving. The inclined plane block 168 moves to drive the card rod 167 to start moving. The card rod 167 moves to contact the card block 169 and limit the movement of the sliding door 162 to prevent it from moving accidentally during operation, ensuring stable operation of the equipment and reducing the risk of equipment damage or personal injury. At the same time, limiting the movement of the sliding door 162 can reduce the friction and vibration caused by sliding of the equipment, and extend the service life of the equipment. While the stirring plate 8 rotates, it contacts and pushes the sliding column 1610 to start moving. The sliding column 1610 moves to drive the fixed plate 1611 to start moving. The fixed plate 1611 moves to compress spring 2. The sliding column 1610 moves to limit the movement of the sliding door 162 when the device is working, ensuring that the sliding door 162 will not be accidentally opened when the device is working, causing damage to the device or injury to the staff, avoiding danger and extending the service life of the device.

[0043] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A device for solidifying and treating dredged sludge in a river channel for a water conservancy project, comprising a reaction box, characterized in that: The bottom of the reaction box is fixedly installed with support legs, the top of the reaction box is fixedly installed with a suction pump, the top of the suction pump is fixedly installed with a suction pipe, and a pushing and stirring device is provided inside the reaction box; Wherein, the pushing and stirring device includes a motor, a rotating shaft, a stirring plate, a gear 1, a reciprocating screw rod, a gear 2, a sleeve, an elastic telescopic rod 1 and a scraper rod, the motor is fixedly mounted on the top of the reaction box, the rotating shaft is fixedly mounted on the output end of the motor, the stirring plate is fixedly mounted on the circumferential surface of the rotating shaft, the gear 1 is fixedly mounted on the circumferential surface of the rotating shaft, the reciprocating screw rod is rotatably mounted on the top of the inner wall of the reaction box, the gear 2 is fixedly mounted on the circumferential surface of the reciprocating screw rod, the sleeve is slidably mounted on the circumferential surface of the reciprocating screw rod, the elastic telescopic rod 1 is fixedly mounted on the bottom of the sleeve, and the scraper rod is fixedly mounted on the movable end of the elastic telescopic rod 1; Wherein, a quantitative device for quantitatively adding the reagent and a limiting device for limiting the discharge port are provided on the top of the reaction box; The quantitative device includes a medicine tank, a medicine tube, a fixed door, a rotating rod, two rotating doors, a gear three and a rack. The medicine tank is fixedly installed on the top of the reaction box, the medicine tube is fixedly installed on the bottom of the medicine tank, the fixed door is fixedly installed on the inner wall of the medicine tube, the rotating rod is rotatably installed inside the medicine tube, the two rotating doors are respectively fixedly installed on the top and bottom of the rotating rod, the gear three is fixedly installed on the bottom of the rotating rod, and the rack is fixedly installed on the top of the stirring plate. The quantitative device also includes an inner rod and a flap. The inner rod is fixedly installed on the top of the rotating rod, and the flap is fixedly installed on the circumferential surface of the inner rod. The fixed door is in contact with the rotating door, the gear three is engaged with the rack, and a torsion spring is provided inside the rotating rod.

2. The device for solidifying and treating dredged sludge in a river channel for a water conservancy project according to claim 1, characterized in that: The pushing and stirring device further comprises an inclined plate, which is fixedly mounted inside the reaction box. The first gear is engaged with the second gear, and the scraper is in contact with the inclined plate.

3. The device for solidifying and treating dredged sludge in a river channel for a water conservancy project according to claim 2, characterized in that: The limiting device includes a slide rail, a sliding door, a handle, an elastic telescopic rod 2, a grip ring, a push rod, a clamping rod, an inclined block and a clamping block. The limiting device also includes a sliding column and a fixed plate. The slide rail is fixedly installed on the back of the reaction box, the sliding door is slidably installed inside the slide rail, the handle is fixedly installed on the back of the sliding door, the elastic telescopic rod 2 is fixedly installed on the back of the sliding door, the grip ring is fixedly installed on the movable end of the elastic telescopic rod 2, the push rod is fixedly installed on a side of the grip ring close to the movable end of the elastic telescopic rod 2, the clamping rod slides through the handle, the inclined block is fixedly installed on one end of the clamping rod close to the grip ring, the clamping block is fixedly installed on the back of the slide rail, the sliding column slides through the reaction box, and the fixed plate is fixedly installed on the surface of the sliding column.

4. The device for solidifying and treating dredged sludge in a river channel for a water conservancy project according to claim 3, characterized in that: The push rod and the inclined surface block are both arranged as inclined surfaces, a first spring is arranged between the inclined surface block and the handle, and a second spring is arranged between the fixed plate and the inner wall of the reaction box.

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