CN115025533A - Pretreatment equipment for harmless polluted soil sludge and use method thereof - Google Patents
Pretreatment equipment for harmless polluted soil sludge and use method thereof Download PDFInfo
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- CN115025533A CN115025533A CN202210885484.7A CN202210885484A CN115025533A CN 115025533 A CN115025533 A CN 115025533A CN 202210885484 A CN202210885484 A CN 202210885484A CN 115025533 A CN115025533 A CN 115025533A
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- fixedly connected
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- sludge
- rotating shaft
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- 239000010802 sludge Substances 0.000 title claims abstract description 88
- 239000002689 soil Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 34
- 238000012216 screening Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000001125 extrusion Methods 0.000 claims description 14
- 238000007873 sieving Methods 0.000 claims description 14
- 239000002351 wastewater Substances 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 8
- 230000018044 dehydration Effects 0.000 abstract description 6
- 238000006297 dehydration reaction Methods 0.000 abstract description 6
- 238000004891 communication Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/80—Handling the filter cake in the filter for purposes other than for regenerating for drying
- B01D29/82—Handling the filter cake in the filter for purposes other than for regenerating for drying by compression
- B01D29/828—Handling the filter cake in the filter for purposes other than for regenerating for drying by compression using screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses pretreatment equipment for harmless polluted soil sludge and a using method thereof. According to the invention, through the matched use of the first magnet, the second magnet, the first air bag and the third magnet, after a user dehydrates sludge through the spiral conveying shaft, when the screening net is blocked by sludge after working for a long time, the first magnet moves to the bottom of the third magnet along with the rotation of the mounting ring, the first air bag can spray internal gas to the bottom of the screening net, and when the second magnet moves to the bottom of the third magnet along with the rotation of the mounting ring, the first air bag can be inflated through the attraction between the second magnet and the third magnet, so that the circulation of cleaning the bottom of the screening net is conveniently completed, and the dehydration quality and efficiency of equipment are ensured.
Description
Technical Field
The invention relates to the technical field of sludge treatment, in particular to pretreatment equipment for harmless polluted soil sludge and a using method thereof.
Background
Sludge is the sediment discharged from sewage treatment structures. The sludge dewatering equipment is characterized in that the precipitate which takes organic matters as main components is called sludge, the precipitate is easy to decay and stink, fine in particles, small in specific gravity, high in water content and not easy to dewater, and belongs to hydrophilic substances of a colloidal structure.
Then sludge dewatering equipment can lead to the screen cloth to block up after long-time work, and the staff need close sludge dewatering machine when clean to lead to having reduced the efficiency of equipment dehydration to a certain extent, thereby influence sludge dewatering's efficiency, lead to whole dehydration efficiency lower.
Disclosure of Invention
The invention aims to provide pretreatment equipment for harmless polluted soil sludge and a using method thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the pretreatment equipment for harmless polluted soil sludge comprises a box body, a screening net, a first connecting block, a gas inlet pipe, a driving gear, a chain, a first rotating shaft, a driven gear, two mounting rings, first magnets and second magnets, wherein the screening net is fixedly connected to the inner wall of the box body, the first connecting block is fixedly connected to one end of the box body, the motor is fixedly mounted in the first connecting block, the spiral conveying shaft is fixedly connected to the output end of the motor, the water collecting tank is arranged in the box body, the gas inlet pipe is fixedly connected to one end of the box body, the valve is fixedly mounted on the outer wall of the gas inlet pipe, the driving gear is fixedly connected to the outer wall of the output end of the motor, the chain is meshed with the outer wall of the driving gear, one end, close to the motor, of the box body is rotatably connected with the first rotating shaft, the outer wall of the first rotating shaft is fixedly connected with the driven gear, the outer wall of the first rotating shaft is symmetrically and fixedly connected with the two mounting rings, the tops of the two mounting rings are fixedly connected with the first magnets, and the bottoms of the two mounting rings are fixedly connected with the second magnets, the box inner wall fixedly connected with second connecting block, first mounting groove has been seted up to second connecting block inside, the inside first gasbag that is equipped with of first mounting groove, first gasbag top fixedly connected with outlet duct, first gasbag top fixedly connected with intake pipe.
Further, screening net top fixedly connected with inlet pipe, the inlet pipe top is run through and is extended to the box outside, inlet pipe and box fixed connection, the driving gear passes through the chain and is connected with driven gear transmission, the first pivot other end runs through and extends to the box outside, is connected through the transmission between driving gear and the driven gear for equipment is carrying out the in-process of dehydration to mud, and first gasbag can be simultaneously to screening net bottom clean.
Furthermore, first gasbag top and second connecting block fixed connection, first gasbag bottom fixedly connected with third magnet can guarantee the stability of first gasbag through the fixed connection between first gasbag and the second connecting block.
Furthermore, first magnet and third magnet mutually exclusive, second magnet and third magnet attract each other, first magnet, second magnet, third magnet are neodymium magnet, through the mutual exclusion between first magnet and the third magnet, make first magnet can pass through with the third magnet between repulsion promote the third magnet to remove, thereby make the first gasbag of third magnet extrusion, thereby make first gasbag can jet-propelled, thereby clean screening net bottom, through the looks attraction between second magnet and the third magnet, make the second magnet can attract the third magnet, thereby make the third magnet can pull first gasbag and aerify, thereby accomplish the clear circulation in screening net bottom.
Further, outlet duct one end is towards screening net bottom, outlet duct outer wall fixed mounting has one-way air outlet valve, inlet duct outer wall fixed mounting has one-way admission valve, and gas gets into from the intake pipe when can prevent first gasbag jet-propelled through one-way admission valve to can guarantee gaseous flow and pressure.
Further, a plurality of worms of first pivot outer wall equidistance fixedly connected with, the box inner wall rotates and is connected with a plurality of second pivots, and is a plurality of the equal fixedly connected with of second pivot outer wall and worm mesh's worm wheel, two mounting panels of second pivot outer wall symmetry fixedly connected with, two the equal fixedly connected with of one end that the second pivot was kept away from to the mounting panel clean the pole, two the inside second mounting groove of having all seted up of mounting panel, the inside fixedly connected with stopper of second mounting groove, the stopper is close to the one end fixedly connected with second gasbag of second pivot, stopper other end fixedly connected with three-way pipe, two the equal symmetrical fixedly connected with communicating pipe of mounting panel outer wall is convenient for handle the mud on water catch bowl moisture surface through clean the pole to prevent that mud from piling up inside equipment.
Further, a plurality of worms are fixedly connected to the outer wall of the first rotating shaft in an equidistant manner, a plurality of second rotating shafts are rotatably connected to the inner wall of the box body, worm wheels meshed with the worms are fixedly connected to the outer walls of the plurality of second rotating shafts, two mounting plates are symmetrically and fixedly connected to the outer walls of the second rotating shafts, cleaning rods are fixedly connected to the ends of the two mounting plates far away from the second rotating shafts, second mounting grooves are formed in the two mounting plates, limit blocks are fixedly connected to the inner parts of the second mounting grooves, a second air bag is fixedly connected to one end, close to the second rotating shafts, of each limit block, a three-way pipe is fixedly connected to the other end of each limit block, two communicating pipes are fixedly connected to the outer walls of the two mounting plates in a symmetrical manner, and when the balance blocks are positioned at the top of the second air bag, the second air bag jets are used for treating the cleaning rods, thereby prevent that mud from influencing the clear quality of clean pole, when the balancing weight is located second gasbag bottom, balancing weight pulling second gasbag enlarges this moment to be convenient for aerify the second gasbag, thereby accomplish the clear circulation of clean pole.
Furthermore, a water outlet groove is formed in one end of the box body, a first filter layer is fixedly mounted on the inner wall of the water storage groove, a wastewater collection box is fixedly connected to one end of the box body, the water outlet groove is communicated with the wastewater collection box, and water higher than the water outlet groove can be collected through the wastewater collection box, so that sludge can be always at the same height, and the cleaning rod can be conveniently used for treating the sludge.
Furthermore, the other end of the second rotating shaft is fixedly connected with a mounting plate, the outer wall of the mounting plate is rotatably connected with a connecting rod, the outer wall of the box body is fixedly connected with a processing box, one end of the connecting rod penetrates through and extends into the processing box, one end of the connecting rod is hinged with an extrusion block, one end of the box body close to the processing box is fixedly connected with a sludge pipe, the sludge pipe is slightly higher than a water outlet groove, the surface of the processing box is provided with a through groove, the surface of the processing box is fixedly provided with a second filter layer, one end of the processing box is fixedly connected with a third connecting block, the top of the third connecting block is fixedly connected with a cylinder, the output end of the cylinder is fixedly connected with a push plate, one end of the box body is fixedly connected with a recovery box, the inside of the processing box is provided with a wastewater groove, and when moisture enters the water collecting groove by arranging the sludge pipe at a position slightly higher than the water outlet groove, unnecessary moisture fraction flows through the play basin earlier to make mud can be in same height always, thereby make things convenient for the cleaning rod to clear up, when mud received the extrusion of cleaning rod, mud was convenient for flow through the sludge pipe this moment, is convenient for extrude dehydration through the extrusion piece to mud and handles.
Further, step 1: when a user needs to treat sludge, the sludge is added into the equipment through the feeding pipe, then the motor is started to drive the spiral conveying shaft to squeeze and dewater the sludge, and at the moment, part of the sludge and water fall into the water collecting tank through the screening net;
step 2: when step 1 goes on, the driving gear drives driven gear and first pivot rotation through the chain this moment, first pivot this moment drives first magnet and second magnet rotation, when first magnet rotation is close to the third magnet, first magnet promotes the first gasbag of third magnet extrusion this moment, first gasbag is cleared up the accumulational partial mud in screening net bottom this moment, when the second magnet is close to the third magnet, the first gasbag of third magnet pulling this moment is aerifyd to guarantee to screen the clear circulation of net.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the matched use of the first magnet, the second magnet, the first air bag and the third magnet, after a user dehydrates sludge through the spiral conveying shaft, when the sieving net causes sludge blockage due to long-term work, the first air bag can spray internal gas to the bottom of the sieving net when the first magnet moves to the bottom of the third magnet along with the rotation of the mounting ring, and when the second magnet moves to the bottom of the third magnet along with the rotation of the mounting ring, the first air bag can be inflated through the attraction between the second magnet and the third magnet, so that the circulation of cleaning the bottom of the sieving net is conveniently completed, and the dehydration quality and efficiency of equipment are ensured.
2. According to the invention, through the matched use of the cleaning rod, the second air bag, the balancing weight and the spray head, a user can treat partial sludge remained in the water collecting tank through the cleaning rod, and can treat the surface of the cleaning rod through the second air bag, so that the cleaning efficiency of the cleaning rod can be ensured, and the sludge can be extruded through the extrusion block, so that the sludge can be dewatered, and the sludge dewatering quality can be ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of a partial side cross-sectional configuration of the present invention;
FIG. 3 is a schematic cross-sectional view of a second rotating shaft in side view according to the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 2 at A;
FIG. 5 is a side view of the second shaft of the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 5;
FIG. 7 is a schematic side sectional view of the treatment tank of the present invention.
In the figure: 1. a box body; 2. screening the net; 3. a first connection block; 4. a motor; 5. a screw conveying shaft; 6. a water collection tank; 7. a gas inlet pipe; 8. a valve; 9. a driving gear; 10. a chain; 11. a first rotating shaft; 12. a driven gear; 13. a mounting ring; 14. a first magnet; 15. a second magnet; 16. a second connecting block; 17. a first mounting groove; 18. a first air bag; 19. an air outlet pipe; 20. an air inlet pipe; 21. a feed pipe; 22. a third magnet; 23. a one-way air outlet valve; 24. a one-way intake valve; 25. a worm; 26. a second rotating shaft; 27. a worm gear; 28. mounting a plate; 29. cleaning the rod; 30. a second mounting groove; 31. a limiting block; 32. a second air bag; 33. a three-way pipe; 34. a communicating pipe; 35. a balancing weight; 36. a gas distributing pipe; 37. a spray head; 38. a support block; 39. a water outlet groove; 40. a first filter layer; 41. a wastewater collection tank; 42. mounting a disc; 43. a connecting rod; 44. a treatment tank; 45. extruding the block; 46. a sludge pipe; 47. a through groove; 48. a second filter layer; 49. a third connecting block; 50. a cylinder; 51. pushing the plate; 52. a recycling bin; 53. a waste water tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the pretreatment equipment for harmless polluted soil sludge and the using method thereof comprise the pretreatment equipment for harmless polluted soil sludge, which comprises a box body 1, a screening net 2, a first connecting block 3 fixedly connected to the inner wall of the box body 1, a motor 4 fixedly arranged in one end of the box body 1, a spiral conveying shaft 5 fixedly connected to the output end of the motor 4, a water collecting tank 6 arranged in the box body 1, a gas inlet pipe 7 fixedly connected to one end of the box body 1, a valve 8 fixedly arranged on the outer wall of the gas inlet pipe 7, a driving gear 9 fixedly connected to the outer wall of the output end of the motor 4, a chain 10 meshed with the outer wall of the driving gear 9, a first rotating shaft 11 rotatably connected to one end of the box body 1 close to the motor 4, a driven gear 12 fixedly connected to the outer wall of the first rotating shaft 11, and two mounting rings 13 symmetrically and fixedly connected to the outer wall of the first rotating shaft 11, the top parts of the two mounting rings 13 are fixedly connected with a first magnet 14, the first magnet 14 and a third magnet 22 are mutually exclusive, the second magnet 15 and the third magnet 22 attract each other, the first magnet 14, the second magnet 15 and the third magnet 22 are neodymium magnets, the bottom parts of the two mounting rings 13 are fixedly connected with the second magnet 15, the inner wall of the box body 1 is fixedly connected with a second connecting block 16, a first mounting groove 17 is formed in the second connecting block 16, a first air bag 18 is arranged in the first mounting groove 17, the top part of the first air bag 18 is fixedly connected with the second connecting block 16, the bottom part of the first air bag 18 is fixedly connected with the third magnet 22, the top part of the first air bag 18 is fixedly connected with an air outlet pipe 19, one end of the air outlet pipe 19 faces the bottom part of the sieving net 2, the outer wall of the air outlet pipe 19 is fixedly provided with a one-way air outlet valve 23, the outer wall of the air inlet pipe 20 is fixedly provided with a one-way air inlet valve 24, the top part of the first air bag 18 is fixedly connected with an air inlet pipe 20, the top of the screening net 2 is fixedly connected with a feeding pipe 21, the top of the feeding pipe 21 penetrates through and extends to the outside of the box body 1, the feeding pipe 21 is fixedly connected with the box body 1, the driving gear 9 is in transmission connection with the driven gear 12 through the chain 10, and the other end of the first rotating shaft 11 penetrates through and extends to the outside of the box body 1;
the invention also provides a use method of the pretreatment equipment for harmless polluted soil sludge, which comprises the following steps of 1: when a user needs to treat sludge, the sludge is added into the device through the feeding pipe 21, then the motor 4 is started to drive the spiral conveying shaft 5 to squeeze and dewater the sludge, and at the moment, part of the sludge and water fall into the water collecting tank 6 through the screening net 2;
and 2, step: when the step 1 is performed, the driving gear 9 drives the driven gear 12 and the first rotating shaft 11 to rotate through the chain 10, the first rotating shaft 11 drives the first magnet 14 and the second magnet 15 to rotate, when the first magnet 14 rotates to be close to the third magnet 22, the first magnet 14 pushes the third magnet 22 to extrude the first air bag 18, at the moment, the first air bag 18 cleans part of sludge accumulated at the bottom of the sieving net 2, and when the second magnet 15 is close to the third magnet 22, the third magnet 22 pulls the first air bag 18 to inflate, so that the cleaning cycle of the sieving net 2 is ensured.
The implementation mode is specifically as follows: when a user needs to treat sludge, firstly, the sludge is added into the sieving net 2 through the feeding pipe 21, then the user opens the motor 4 to drive the spiral conveying shaft 5 to rotate, at the moment, the spiral conveying shaft 5 dehydrates the sludge through extrusion force, at the moment, moisture and partial sludge fall into the water collecting tank 6 through the sieving net 2, along with a long-time process, partial sludge is accumulated on the bottom surface of the sieving net 2, so that the moisture is difficult to flow out, at the moment, along with the work of the motor 4, the motor 4 drives the driving gear 9, the chain 10 and the driven gear 12 to rotate, at the moment, the driven gear 12 drives the first rotating shaft 11 to rotate, the first rotating shaft 11 drives the mounting ring 13 to rotate in the rotating process, when the first magnet 14 is driven to be close to the bottom of the third magnet 22 in the rotating process of the mounting ring 13, at the moment, the first magnet 14 pushes the third magnet 22 to move through repulsion force between the first magnet 14 and the third magnet 22, the third magnet 22 presses the first air cell 18, the first air cell 18 contracts, the gas inside is sprayed to the bottom of the sieving net 2 through the gas outlet pipe 19, thereby treating the sludge accumulated at the bottom of the sieving net 2, ensuring the circulation of moisture, simultaneously preventing the gas from being sprayed out from the gas inlet pipe 20 through the one-way gas inlet valve 24, thereby ensuring the flow rate and impact force of the gas, and thus the cleaning efficiency, when the mounting ring 13 rotates to bring the second magnet 15 close to the third magnet 22, at this time, the second magnet 15 pulls the third magnet 22 to move downwards through the attraction force between the second magnet and the third magnet 22, at this time, the third magnet 22 pulls the first air bag 18 to inflate, at this time, the first air bag 18 performs air suction through the air inlet pipe 20, so that the interior of the first air bag 18 is filled with air again, thereby completing the cycle of cleaning the bottom of the sieving net 2, and ensuring the efficiency and quality of dewatering.
Referring to fig. 1, fig. 2, fig. 3, fig. 5, fig. 6 and fig. 7, the present invention provides a technical solution: in addition, a plurality of worms 25 are fixedly connected to the outer wall of a first rotating shaft 11 in an equidistant manner, a plurality of second rotating shafts 26 are rotatably connected to the inner wall of a box body 1, worm wheels 27 meshed with the worms 25 are fixedly connected to the outer walls of the plurality of second rotating shafts 26, two mounting plates 28 are symmetrically and fixedly connected to the outer walls of the second rotating shafts 26, cleaning rods 29 are fixedly connected to one ends of the two mounting plates 28 far away from the second rotating shafts 26, second mounting grooves 30 are formed in the two mounting plates 28, limiting blocks 31 are fixedly connected to the inner parts of the second mounting grooves 30, a second air bag 32 is fixedly connected to one end of each limiting block 31 close to the second rotating shaft 26, a three-way pipe 33 is fixedly connected to the other end of each limiting block 31, two communicating pipes 34 are symmetrically and fixedly connected to the outer walls of the two mounting plates 28, a balancing weight 35 is fixedly connected to the other end of each second air bag 32, and a gas distributing pipe 36 is fixedly connected to the other ends of the two communicating pipes 34, the outer wall of the gas distribution pipe 36 facing the cleaning rod 29 is fixedly connected with a plurality of spray heads 37 at equal intervals, the communication pipes 34 are communicated with the gas distribution pipe 36, the outer walls of the two communication pipes 34 are fixedly connected with supporting blocks 38, one end of the box body 1 is provided with a water outlet groove 39, the inner wall of the water storage groove is fixedly provided with a first filtering layer 40, one end of the box body 1 is fixedly connected with a wastewater collection box 41, the water outlet groove 39 is communicated with the wastewater collection box 41, the other end of the second rotating shaft 26 is fixedly connected with a mounting disc 42, the outer wall of the mounting disc 42 is rotatably connected with a connecting rod 43, the outer wall of the box body 1 is fixedly connected with a treatment box 44, one end of the connecting rod 43 penetrates through and extends into the treatment box 44, one end of the connecting rod 43 is hinged with an extrusion block 45, one end of the box body 1 close to the treatment box 44 is fixedly connected with a sludge pipe 46, the sludge pipe 46 is higher than the water outlet groove 39, the surface of the treatment box 44 is provided with a through groove 47, the surface of the treatment box 44 is fixedly provided with a second filtering layer 48, handle case 44 one end fixedly connected with third connecting block 49, third connecting block 49 top fixedly connected with cylinder 50, cylinder 50 output end fixedly connected with push pedal 51, 1 one end fixedly connected with collection box 52 of box, handle the inside waste water tank 53 of having seted up of case 44.
The implementation mode is specifically as follows: when partial sludge and moisture enter the inside of the water collecting tank 6, in order to prevent the sludge from accumulating inside the water collecting tank 6, the user opens the valve 8, then gas is input into the inside of the water collecting tank 6 through the gas inlet pipe 7, at the moment, the sludge is contacted and ascended with the bubbles and attached to the surface of the water body, when the moisture height reaches the water outlet tank 39, the moisture enters the inside of the wastewater collecting tank 41 through the water outlet tank 39, the sludge is blocked by the first filter layer 40, at the moment, the worm 25 is driven to rotate by the first rotating shaft 11, the worm 25 is driven to rotate the worm wheel 27, then the worm wheel 27 is driven to rotate the second rotating shaft 26, the mounting plate 28 is driven to rotate during the rotation of the second rotating shaft 26, at the moment, the mounting plate 28 drives the cleaning rods 29 to treat the sludge on the surface of the water body, at the moment, the sludge inside the water collecting tank 6 gradually moves to the sludge pipe 46 along with the rotation of the plurality of the cleaning rods 29, and finally enters the treatment box 44, when the counterweight 35 moves to the top of the second air bag 32 along with the rotation of the mounting plate 28, the second air bag 32 is extruded by the gravity of the counterweight 35, the second air bag 32 is extruded to be smaller, then the internal air is input into the air distribution pipe 36 through the three-way pipe 33 and the communication pipe 34, and finally is sprayed out of the spray head 37, so that the surface of the cleaning rod 29 is cleaned, the sludge is prevented from accumulating on the surface of the cleaning rod 29, the sludge is prevented from accumulating inside the device, the cleaning quality of the cleaning rod 29 can be ensured, when the counterweight 35 moves to the bottom of the second air bag 32 along with the rotation of the mounting plate 28, the counterweight 35 pulls the second air bag 32 to inflate by the gravity of the counterweight 35, so that the second air bag 32 is expanded again, the surface of the cleaning rod 29 can be cleaned circularly, and when the sludge and part of the moisture enter the treatment box 44, at this time, along with the rotation of the first rotating shaft 11, the first rotating shaft 11 drives the mounting disc 42 to rotate, the connecting rod 43 and the extrusion block 45 are driven to reciprocate in the rotation process of the mounting disc 42, when the extrusion block 45 descends, the extrusion block 45 extrudes the sludge, thereby pressing out the moisture in the sludge, the pressed moisture enters the waste water tank 53 through the second filter layer 48 through the inclined angle arranged in the treatment box 44, then, the user can open the set cylinder 50, when the extrusion block 45 ascends, the push plate 51 moves into the through groove 47, the push plate 51 pushes the sludge extruded in the treatment box 44, therefore, the sludge enters the recovery box 52, the separation of the sludge and the moisture is completed, the sludge dewatering quality is ensured, and the subsequent incineration treatment of the sludge by a user is facilitated.
The working principle of the invention is as follows:
referring to fig. 1-4, through the cooperation of the first magnet 14, the second magnet 15, the first air bag 18 and the third magnet 22, after a user dewaters sludge through the spiral conveying shaft 5, after the screening net 2 is blocked by sludge due to long-time work, when the first magnet 14 moves to the bottom of the third magnet 22 along with the rotation of the mounting ring 13, the first air bag 18 can spray internal gas to the bottom of the screening net 2, and when the second magnet 15 moves to the bottom of the third magnet 22 along with the rotation of the mounting ring 13, the first air bag 18 can be inflated by the attraction force between the second magnet 15 and the third magnet 22, so that the circulation of cleaning the bottom of the screening net 2 is conveniently completed, and the dewatering quality and efficiency of the device are ensured.
Further, referring to the attached drawings 1, 2, 3, 5, 6 and 7 of the specification, through the cooperation of the cleaning rod 29, the second air bag 32, the counterweight 35 and the spray head 37, a user can treat a part of sludge remained in the water collecting tank 6 through the cleaning rod 29, and simultaneously treat the surface of the cleaning rod 29 through the second air bag 32, so that the cleaning efficiency of the cleaning rod 29 can be ensured, and the sludge can be extruded through the extrusion block 45, so that the sludge can be dewatered, and the sludge dewatering quality can be ensured.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The pretreatment equipment for harmless polluted soil sludge comprises a box body (1);
the screening net (2) is fixedly connected to the inner wall of the box body (1);
the first connecting block (3) is fixedly connected to one end of the box body (1), and a motor (4) is fixedly installed in the first connecting block (3);
the spiral conveying shaft (5) is fixedly connected to the output end of the motor (4);
the water collecting tank (6) is arranged in the box body (1);
the gas inlet pipe (7) is fixedly connected to one end of the box body (1), and a valve (8) is fixedly arranged on the outer wall of the gas inlet pipe (7);
the method is characterized in that:
the outer wall of the output end of the motor (4) is fixedly connected with a driving gear (9), the outer wall of the driving gear (9) is meshed with a chain (10), one end, close to the motor (4), of the box body (1) is rotatably connected with a first rotating shaft (11), the outer wall of the first rotating shaft (11) is fixedly connected with a driven gear (12), the outer wall of the first rotating shaft (11) is symmetrically and fixedly connected with two mounting rings (13), the tops of the two mounting rings (13) are fixedly connected with a first magnet (14), the bottoms of the two mounting rings (13) are fixedly connected with a second magnet (15), the inner wall of the box body (1) is fixedly connected with a second connecting block (16), a first mounting groove (17) is formed in the second connecting block (16), a first air bag (18) is arranged in the first mounting groove (17), and an air outlet pipe (19) is fixedly connected to the top of the first air bag (18), the top of the first air bag (18) is fixedly connected with an air inlet pipe (20).
2. The pretreatment equipment for harmless contaminated soil sludge according to claim 1, wherein: screening net (2) top fixedly connected with inlet pipe (21), inlet pipe (21) top is run through and is extended to box (1) outside, inlet pipe (21) and box (1) fixed connection, driving gear (9) are connected with driven gear (12) transmission through chain (10), first pivot (11) other end runs through and extends to box (1) outside.
3. The pretreatment equipment for harmless contaminated soil sludge according to claim 1, wherein: the top of the first air bag (18) is fixedly connected with the second connecting block (16), and the bottom of the first air bag (18) is fixedly connected with a third magnet (22).
4. The pretreatment apparatus for harmless contaminated soil sludge according to claim 3, wherein: the first magnet (14) and the third magnet (22) are mutually exclusive, the second magnet (15) and the third magnet (22) are mutually attracted, and the first magnet (14), the second magnet (15) and the third magnet (22) are neodymium magnets.
5. The pretreatment equipment for harmless contaminated soil sludge according to claim 1, wherein: outlet duct (19) one end is towards screening net (2) bottom, outlet duct (19) outer wall fixed mounting has one-way air outlet valve (23), intake pipe (20) outer wall fixed mounting has one-way admission valve (24).
6. The pretreatment equipment for harmless contaminated soil sludge according to claim 1, wherein: the first rotating shaft (11) is fixedly connected with a plurality of worms (25) at equal intervals on the outer wall, the inner wall of the box body (1) is rotatably connected with a plurality of second rotating shafts (26), a plurality of worm wheels (27) meshed with the worms (25) are fixedly connected on the outer wall of the second rotating shafts (26), two mounting plates (28) are symmetrically and fixedly connected to the outer wall of the second rotating shaft (26), cleaning rods (29) are fixedly connected to the ends, far away from the second rotating shaft (26), of the two mounting plates (28), second mounting grooves (30) are formed in the two mounting plates (28), a limiting block (31) is fixedly connected inside the second mounting groove (30), one end of the limiting block (31) close to the second rotating shaft (26) is fixedly connected with a second air bag (32), the other end of the limiting block (31) is fixedly connected with a three-way pipe (33), and the outer walls of the two mounting plates (28) are symmetrically and fixedly connected with two communicating pipes (34).
7. The pretreatment equipment for harmless contaminated soil sludge according to claim 6, wherein: the first rotating shaft (11) is fixedly connected with a plurality of worms (25) at equal intervals on the outer wall, the inner wall of the box body (1) is rotatably connected with a plurality of second rotating shafts (26), a plurality of worm wheels (27) meshed with the worms (25) are fixedly connected on the outer wall of the second rotating shafts (26), two mounting plates (28) are symmetrically and fixedly connected to the outer wall of the second rotating shaft (26), cleaning rods (29) are fixedly connected to the ends, far away from the second rotating shaft (26), of the two mounting plates (28), second mounting grooves (30) are formed in the two mounting plates (28), a limiting block (31) is fixedly connected inside the second mounting groove (30), one end of the limiting block (31) close to the second rotating shaft (26) is fixedly connected with a second air bag (32), the other end of the limiting block (31) is fixedly connected with a three-way pipe (33), and the outer walls of the two mounting plates (28) are symmetrically and fixedly connected with two communicating pipes (34).
8. The pretreatment equipment for harmless contaminated soil sludge according to claim 1, wherein: a water outlet groove (39) is formed in one end of the box body (1), a first filter layer (40) is fixedly mounted on the inner wall of the water storage groove, a waste water collecting box (41) is fixedly connected to one end of the box body (1), and the water outlet groove (39) is communicated with the waste water collecting box (41).
9. The pretreatment apparatus for harmless contaminated soil sludge according to claim 8, wherein: the other end of the second rotating shaft (26) is fixedly connected with a mounting plate (42), the outer wall of the mounting plate (42) is rotatably connected with a connecting rod (43), the outer wall of the box body (1) is fixedly connected with a processing box (44), one end of the connecting rod (43) runs through and extends into the processing box (44), one end of the connecting rod (43) is hinged with an extrusion block (45), one end of the box body (1) close to the processing box (44) is fixedly connected with a sludge pipe (46), the sludge pipe (46) is slightly higher than a water outlet groove (39), the surface of the processing box (44) is provided with a through groove (47), the surface of the processing box (44) is fixedly provided with a second filter layer (48), one end of the processing box (44) is fixedly connected with a third connecting block (49), the top of the third connecting block (49) is fixedly connected with a cylinder (50), and the output end of the cylinder (50) is fixedly connected with a push plate (51), one end of the box body (1) is fixedly connected with a recovery box (52), and a waste water groove (53) is formed in the treatment box (44).
10. The method of using the pretreatment apparatus for a harmless contaminated soil sludge according to any one of claims 1 to 9, wherein: step 1: when a user needs to treat sludge, the sludge is added into the equipment through the feeding pipe (21), then the motor (4) is started to drive the spiral conveying shaft (5) to extrude and dewater the sludge, and at the moment, part of the sludge and moisture fall into the water collecting tank (6) through the screening net (2);
step 2: when the step 1 is carried out, the driving gear (9) drives the driven gear (12) and the first rotating shaft (11) to rotate through the chain (10), the first rotating shaft (11) drives the first magnet (14) and the second magnet (15) to rotate, when the first magnet (14) rotates to be close to the third magnet (22), the first magnet (14) pushes the third magnet (22) to extrude the first air bag (18), at the moment, the first air bag (18) cleans part of sludge accumulated at the bottom of the sieving net (2), when the second magnet (15) is close to the third magnet (22), the third magnet (22) pulls the first air bag (18) to inflate, and therefore the cleaning circulation of the sieving net (2) is guaranteed.
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