CN117003448A - Harmless treatment device for phosphorus-lean inflammable sludge - Google Patents
Harmless treatment device for phosphorus-lean inflammable sludge Download PDFInfo
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- CN117003448A CN117003448A CN202311122008.0A CN202311122008A CN117003448A CN 117003448 A CN117003448 A CN 117003448A CN 202311122008 A CN202311122008 A CN 202311122008A CN 117003448 A CN117003448 A CN 117003448A
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- grinding
- treatment device
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- 239000010802 sludge Substances 0.000 title claims abstract description 39
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 49
- 239000011574 phosphorus Substances 0.000 claims abstract description 49
- 238000003756 stirring Methods 0.000 claims abstract description 43
- 238000005273 aeration Methods 0.000 claims abstract description 34
- 239000010410 layer Substances 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 2
- 239000011229 interlayer Substances 0.000 claims description 2
- 230000002950 deficient Effects 0.000 claims 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 19
- 239000007789 gas Substances 0.000 description 16
- 239000002002 slurry Substances 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007800 oxidant agent Substances 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8361—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating
- B01F33/83613—Mixing plants; Combinations of mixers combining mixing with other treatments with disintegrating by grinding or milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/836—Mixing plants; Combinations of mixers combining mixing with other treatments
- B01F33/8362—Mixing plants; Combinations of mixers combining mixing with other treatments with chemical reactions
-
- 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
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The application relates to the technical field of phosphorus-containing sludge harmless treatment, and particularly discloses a phosphorus-poor inflammable sludge harmless treatment device which comprises a driving unit, a stirring unit, a grinding unit and an aeration unit, wherein a mounting plate is arranged in a kettle body to separate the driving unit at the bottom from the grinding unit above, meanwhile, the top surface of the mounting plate is clamped with the grinding unit, the grinding unit is of a sandwich structure, a sliding block capable of utilizing aeration gas to reciprocate is arranged in the grinding unit, through holes which are respectively communicated with the inside and the outside of a barrel are formed in the outer layer and the inner layer of the sandwich layer, and the aeration unit is arranged on the through holes and can be used for aerating a solution in an external space while grinding. The scheme can solve the problems of high construction cost and low production efficiency caused by using a plurality of devices in the prior art.
Description
Technical Field
The application relates to the technical field of phosphorus-containing sludge innocent treatment, in particular to a phosphorus-poor flammable sludge innocent treatment device.
Background
The phosphorus mud contains elemental phosphorus, calcium oxide, silicon dioxide, other toxic substances (such as fluoride) and the like, is dangerous solid waste, and directly affects the recovery rate and the production cost of phosphorus in the yellow phosphorus industry. Because of the high treatment cost, technical difficulty and other reasons, the general treatment method aims at the phosphorus-rich sludge with high phosphorus content, and most manufacturers simply stack the phosphorus-poor sludge with low phosphorus content, so that not only is the huge waste of resources and the rise of production cost caused, but also the construction of a phosphorus sludge pool occupies a large amount of land, and if leakage occurs, the soil is eroded, and the surrounding ecological environment is destroyed.
When the phosphorus-poor sludge is stacked, obvious smoke phenomenon exists under normal temperature conditions, and the phosphorus-poor sludge has a larger particle structure, wherein yellow phosphorus and other substances are adsorbed and coated in the particle structure by a relatively stable colloid structure, the colloid structure is firstly broken to release the coated elemental phosphorus, and then the released elemental phosphorus is converted into phosphate radical by adding hydrogen peroxide and carrying out aeration treatment and combined oxidation, so that harmless treatment on the phosphorus-containing flammable sludge is realized. Specifically, the company adopts a simple and efficient harmless treatment process of the phosphorus-lean inflammable sludge with the bulletin number of CN113024064A to treat the stacked phosphorus-lean inflammable sludge, and the method comprises the following steps of S1: adding a proper amount of water into the phosphorus-containing sludge for grinding to prepare phosphorus sludge slurry; wherein the solid-liquid ratio between the phosphorus-containing sludge and the water is set to be 1:3-7, and the grinding time is set to be 0-60 min; s2: adding a certain amount of solid gel breaker into the phosphorus slurry prepared in the step S1, and uniformly stirring to form a mixed solution; wherein the adding amount of the solid gel breaker is 5-20% of the original phosphorus-containing sludge, and the stirring time is set to be 30-60 min; s3: slowly adding an oxidant into the mixed solution obtained in the step S2 to perform oxidation reaction and continuously performing aeration to obtain oxidized slurry; wherein the adding amount of the oxidant is 5-20% of the original phosphorus-containing sludge, the time for adding the oxidant is controlled to be 0.5-2 h, and the time for the oxidation reaction is controlled to be 3-8 h after the oxidant is added; s4: and (3) dehydrating the slurry obtained in the step (S3) oxidation treatment to obtain safe sludge and filtrate.
Because the equipment used in the method comprises a grinder, a reaction kettle, an aeration tank and the like, which are independently arranged according to the steps, the intermediate products of the phosphorus-lean sludge are inconvenient to circulate among the equipment, a plurality of equipment needs to be deployed in a large scale, the occupied area of a factory is large, the infrastructure cost and the manpower maintenance cost are increased, and in the transportation process, the production efficiency is influenced, so that the harmless treatment device for the phosphorus-lean flammable sludge treatment process of the company is provided.
Disclosure of Invention
The application provides a harmless treatment device for phosphorus-lean inflammable sludge, which aims to solve the problems of high construction cost and low production efficiency caused by using a plurality of devices in the prior art.
In order to solve the above-mentioned purpose, the application adopts the following technical scheme: the utility model provides a lean phosphorus inflammable sludge innocent treatment device, includes the cauldron body, the internal first cavity and the second cavity that are used for grinding stirring of seting up respectively of cauldron, first cavity and the coaxial setting of second cavity, first cavity are located the inside of second cavity, first cavity has movable wall portion, and the sealed third cavity that is equipped with of below first cavity and second cavity;
the device comprises a first chamber, a second chamber, a third chamber, a stirring unit, an aeration unit, a second chamber, a third chamber and a driving unit, wherein the stirring unit is arranged in the first chamber and the second chamber and can stir the lean phosphorus mud, the aeration unit is communicated with an external air source and is arranged on the movable wall of the first chamber, the aeration unit is communicated with the second chamber and guides air flow into the second chamber, the grinding unit is also arranged on the movable wall of the first chamber and can grind the lean phosphorus mud in the first chamber, and the driving unit is arranged in the third chamber and can drive the stirring unit to work.
The basic principle of the scheme is as follows: the method comprises the steps that firstly, the phosphorus-lean mud enters a first cavity, after water is added, a stirring unit and a grinding unit grind large-particle phosphorus mud into slurry, after stirring is finished, the wall part of the first cavity is lifted, the slurry transversely flows into a second cavity, then the wall part of the first cavity is placed down, new phosphorus mud is added again for grinding, the ground slurry in the second cavity is added with an oxidizing solution for oxidation, meanwhile, air is intermittently introduced into an aeration unit, and the ground slurry and mixed slurry containing an oxidizing agent are aerated, so that grinding and oxidation treatment of the phosphorus-lean mud can be simultaneously carried out.
The beneficial effect of this scheme is:
the existing phosphorus-lean sludge is required to be treated through multiple stages, the treatment equipment comprises a grinder, an aeration tank, a reaction kettle and other equipment, the field scale is large, the treatment efficiency is low, the manual maintenance cost is high and the like.
Further, the driving unit is arranged along the central shaft of the kettle body and comprises a motor and a planetary gear structure, wherein the planetary gear structure comprises a sun gear, a planetary gear and a gear ring; the output shaft of the motor vertically upwards passes through the third cavity and extends into the first cavity, the output shaft positioned in the third cavity is connected with the sun gear in a key way, a plurality of vertical limiting shafts are arranged outside the sun gear at intervals in the circumferential direction, each limiting shaft is rotationally connected with a planetary gear, the inner edge of the gear ring is meshed with each planetary gear, and the top of the gear ring extends into the second cavity; the stirring unit in the first chamber is fixed on the output shaft of the motor, and the stirring unit in the second chamber is fixed on the top of the gear ring.
Specifically, set up grinding blade and planet wheel simultaneously on drive unit, the ring gear through the planet wheel drives stirring blade and stirs the solution, promotes the mobility of solution, makes the oxidation reaction of solution abundant to after finishing to phosphorus mud grinds, still can take out the cauldron body completely with grinding unit, utilize peripheral grinding blade and middle part stirring blade to stir the solution simultaneously, improve stirring condition, through the improvement to stirring condition in the reaction system, with the mass transfer rate in the improvement reaction, accelerate oxidation reaction rate.
Further, the movable wall part of the first chamber is an interlayer cylinder, the grinding unit comprises a cylinder, the cylinder comprises an inner layer, a gas transmission layer and an outer layer, the top of the gas transmission layer is communicated with an external gas source, a sliding block is connected in the gas transmission layer in a sliding manner, a spring is connected between the bottom surface of the sliding block and the bottom wall of the gas transmission layer, the lower end of the inner layer is provided with a plurality of first through holes which penetrate through the inner layer and are communicated with the first chamber, and the outer layer is provided with a plurality of second through holes which penetrate through the outer layer and are communicated with the second chamber; when the sliding block is positioned at the upper dead point, the sliding block only seals the second through hole; the second through hole is internally provided with a one-way valve for only gas to flow from the gas transmission layer into the second cavity, and the aeration unit comprises an aeration disc communicated with the second through hole.
Specifically, the air for aeration is utilized to push the sliding block to reciprocate, and the slurry flows back and forth in the first through hole, so that the slurry adhered to the inner wall and the bottom wall of the cylinder is flushed; meanwhile, after the sliding block moves down to the position below the second through hole, gas enters the outside of the cylinder. Because lean mud is in the state of colloid structure, the phosphorus mud of current equipment can be thrown to the equipment wall under the effect of centrifugal force in the grinding process, and can't fall by oneself to lead to grinding effect decline sharply. According to the scheme, the intermittent aeration air flow is utilized to drive the sliding blocks in the grinding unit to reciprocate, and mud adhered to the inner layer wall of the cylinder body is sucked and flushed in a reciprocating manner, so that the problems of insufficient grinding and poor grinding effect caused by the fact that peripheral phosphorus mud is continuously adhered to the side wall are avoided.
Further, the stirring unit in the first cavity comprises grinding blades arranged on the output shaft, and a plurality of groups of grinding blades are arranged at intervals along the output shaft from top to bottom; the stirring unit in the second cavity comprises stirring blades arranged at the top of the gear ring, and the stirring blades are all provided with a plurality of stirring blades along the circumferential direction of the gear ring. Specifically, grinding blades and stirring blades are uniformly distributed, the contact area between the lifting blades and the solution is increased, and the stirring force is increased.
Further, the top of the kettle body is provided with a separable top cover, and the top cover is provided with a gas transmission port communicated with an external gas source, a feeding port communicated with phosphorus mud to be treated and a transfusion port for adding an oxidizing solution. Specifically, the kettle body is sealed again by the top cover, so that the smoke emitted by the raw materials is prevented from polluting the external environment and endangering the health of human bodies.
Further, the aeration disc is in interference fit inside the second through hole, and the aeration disc is perpendicular to the cylinder body. Specifically, the aeration disc is directly arranged on the cylinder body, and can be moved out after the aeration is completed, so that the phosphorus mud particles are prevented from blocking the aeration holes.
Further, a plurality of grinding cones are arranged on the inner layer of the cylinder body at intervals along the height, and each grinding cone is positioned between adjacent grinding blades. Specifically, the clearance between the grinding blade and the phosphorus mud is reduced by arranging the grinding cone, and the friction between the phosphorus mud is increased by utilizing the clearance and the tip of the grinding cone, so that the grinding effect is improved.
Further, the outer wall of the gear ring is provided with a sealing ring which is in contact with the inner wall of the kettle body, the outer wall of the kettle body is provided with a valve for discharging, and the valve is positioned above the sealing ring. Specifically, prevent through the sealing washer that reaction solution from leaking into the drive unit in the third cavity of below, promote the holistic leakproofness of equipment. And adding a discharge valve to directly discharge the reacted solution out of the reaction kettle.
Further, the top surface of the barrel is provided with a lifting lug. The lifting lug is arranged to facilitate the staff to move the whole first chamber and the grinding unit by using the travelling crane.
Further, the top cover outer edge is connected with the top wall of the kettle body through a flange plate.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the kettle comprises a kettle body 1, an upper kettle body 101, a lower kettle body 102, a driving motor 2, an output shaft 21, a first mounting plate 3, a limiting shaft 31, a second mounting plate 4, a ring groove 41, a sun gear 5, a planetary gear 6, a gear ring 7, gear teeth 71, a sealing ring 8, stirring blades 9, a barrel 10, an inner layer 11, a gas transmission layer 12, an outer layer 13, a sliding block 14, a spring 15, a first through hole 16, a second through hole 17, a one-way valve 18, an aeration disc 19, a grinding blade 20, a grinding cone 21, a third mounting plate 22, a gas transmission port 221, a top cover 23, a feed port 24, a vent 25, a transfusion port 26 and a valve 27.
An example is substantially as shown in figure 1:
the cauldron body is cylindric, and the cauldron body is including last cauldron body 101 and lower cauldron body 102, goes up internal coaxial first cavity, the second cavity of being equipped with of cauldron, and first cavity is located the inside of second cavity, and first cavity is cylindric, and the second cavity is hollow column. A third chamber is arranged in the lower kettle body 102, and the third chamber is mutually sealed and isolated from the first chamber and the second chamber.
The third cavity is internally provided with a driving unit, the driving unit comprises driving motors 2 which are positioned at the center shaft of the reaction kettle and are vertical in output shafts 21, a first horizontal mounting plate 3 is fixed on the inner wall of the kettle body above the driving motors 2, a plurality of vertical limiting shafts 31 are symmetrically fixed on the top surface of the first mounting plate 3 along the center shaft, the limiting shafts 31 are respectively connected with one planetary gear 6 in a rotating mode, in the embodiment, the number of the limiting shafts 31 is 4, and the number of the planetary gears 6 is also 4. A horizontal second mounting plate 4 is fixed on the top surfaces of the four limiting shafts 31, and the second mounting plate 4 is used for supporting the structure in the upper kettle body 101.
The inner edge of the ring structure formed by the planetary gears 6 is meshed with the sun gear 5, and the sun gear 5 is connected with the output shaft 21 of the driving motor 2 through key connection, so that the driving motor 2 drives the sun gear 5 to rotate. The outer edge of the planetary gear 6 is meshed with the gear ring 7, the gear ring 7 and the sun gear 5 are coaxially arranged, the gear teeth 71 on the inner wall of the gear ring 7 only occupy a part of the whole height of the gear ring 7, and the height of the gear teeth 71 of the gear ring 7 is 1cm higher than the height of the planetary gear 6 in the embodiment. The inner wall of the top end of the gear ring 7 is attached to the outer wall of the second mounting plate 4, and the top end of the gear ring extends into the second cavity, so that the planetary gears 6 and the sun gear 5 are sealed through the second mounting plate 4, the first mounting plate 3 and the gear ring 7. A sealing ring 8 is installed between the outer wall of the gear ring 7 and the inner wall of the kettle body, in this embodiment, the sealing ring 8 is a polytetrafluoroethylene sealing ring 8, and the normal rotation of the gear ring 7 is ensured through the sealing ring 8 and the reaction solution in the upper kettle body 101 is prevented from penetrating into the lower kettle body 102. The stirring blade 9 is installed inside the upper end of the gear ring 7, and when the gear ring 7 rotates, the stirring blade 9 can stir the solution in the kettle body so as to fully oxidize the solution.
The top of second mounting panel 4 is last cauldron body 101, open on the surface of second mounting panel 4 has annular 41 for vertical grinding element who sets up in the joint last cauldron body 101, grinding element includes barrel 10, barrel 10 is sandwich structure, the bottom surface of barrel 10 lateral wall is sealed, and the thickness of lateral wall is corresponding with the width of annular 41, barrel 10 lateral wall includes inlayer 11, gas-supply layer 12, skin 13, the bottom of inlayer 11 all is equipped with a plurality of first through-holes 16 along the circumference from down up, sliding connection has slider 14 in gas-supply layer 12, connect spring 15 between the bottom of slider 14 and the lateral wall bottom surface, open a plurality of transversely through second through-holes 17 on the skin 13 of barrel 10, the second through-holes 17 set up along the circumference symmetry of skin 13. An aeration disc 19 is in interference fit with each second through hole 17, and a one-way valve 18 which only allows gas to enter the cylinder 10 from the gas transmission layer 12 is arranged in each second through hole 17. The height of the first through hole 16 is lower than the height of the bottom surface when the slider 14 is in the original state, the height of the second through hole 17 is located above the first through hole 16, and the height of the second through hole 17 is lower than the height of the top surface when the slider 14 is at the top dead center.
The output shaft 21 of driving motor 2 vertically passes first mounting panel 3, second mounting panel 4, and the output shaft 21 of second mounting panel 4 top is gone up along highly equipartition and is had a plurality of grinding blade 20, and the quantity of grinding blade 20 is five in this embodiment, and is provided with a plurality of bellied grinding awl 21 on the inlayer 11 lateral wall of grinding blade 20 side, and grinding awl 21 installs between adjacent grinding blade 20, and the pointed end of each layer of grinding awl 21 is relative, and the grinding awl 21 of each layer sets up along the axis symmetry.
The top of the barrel 10 of the grinding unit is arranged on a third mounting plate 22, an opening is machined on the third mounting plate 22 corresponding to the opening of the barrel 10, and phosphorus mud to be ground can enter the barrel 10. The third mounting plate 22 is lifted and connected by the side wall of the kettle body 101 on the reaction kettle, and the top surface of the third mounting plate 22 is provided with a lifting lug, so that the whole grinding unit is taken and placed through the third mounting plate 22. The top of last cauldron body 101 sets up detachable top cap 23, and the edge of top cap 23 passes through the ring flange with the upper edge of cauldron body 101 to be connected, and the upper end of top cap 23 is provided with the outside air vent 25 of intercommunication, connects outside feed inlet 24, lets in the infusion mouth 26 of oxidation solution, and feed inlet 24 is used for transporting the phosphorus mud that waits to grind to the barrel 10 inside of grinding unit, and the gas-supply mouth 221 of outside intercommunication has been seted up at the top of barrel 10, communicates through the pipeline between gas-supply mouth 221 and the air vent 25 to let in the gas-supply layer 12 of barrel 10 with aeration gas. In this embodiment, the gas is intermittently introduced into the gas-permeable layer 12.
The specific implementation process is as follows:
the to-be-treated phosphorus-lean inflammable sludge is placed into the barrel 10 of the grinding unit through the feeding port 24, the driving motor 2 is started, the output shaft 21 of the driving motor 2 drives the grinding blade 20 at the top of the output shaft 21 to rotate, and the grinding blade 20 enables large-particle phosphorus sludge to be extruded between the grinding blade 20 and a gap of the grinding cone 21, so that the large-particle phosphorus sludge is ground into slurry.
Lifting the third mounting plate 22 after grinding, removing the whole grinding unit from the upper kettle body 101, transversely flowing out the ground phosphorus mud into the upper kettle body 101, putting down the third mounting plate 22 again, clamping the whole grinding unit into the annular groove 41, putting sludge into the barrel 10 of the grinding unit, adding water, starting the driving motor 2, simultaneously adding oxidizing solution into the ground phosphorus mud outside the grinding unit through a feed inlet, starting the driving motor 2 again, driving the grinding blades 20 to rotate by the driving motor 2, simultaneously, rotating the sun gear 5, rotating the planetary gears 6 meshed with the outer parts of the sun gear 5, rotating the gear ring 7, stirring the solution at the upper part by the blades at the top of the gear ring 7 when the gear ring rotates, and intermittently introducing air into the air conveying layer 12 through the air conveying port 221.
During aeration, air enters the air conveying layer 12 to push the sliding block 14 to move downwards, ground slurry enters the air conveying layer 12 below the sliding block 14 along the first through holes 16 under the rotation of the stirring blades, after the sliding block 14 moves downwards, the slurry is extruded to flow out of the first through holes 16 into the cylinder 10 again, after the sliding block 14 moves downwards to the maximum displacement completely, the second through holes 17 are opened, air enters the aeration disc 19 through the one-way valve 18, and is dispersed and introduced into external solution through the aeration disc 19 to oxidize the solution, after the reciprocating aeration is finished, the slurry is fully ground, the external solution is also aerated and stirred, the valve 27 outside the upper kettle body 101 is opened to discharge the solution, the third mounting plate 22 is lifted again, and after the ground slurry flows into the upper kettle body 101, the above actions are repeated again.
The foregoing is merely exemplary embodiments of the present application, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present application, and these should also be considered as the scope of the present application, which does not affect the effect of the implementation of the present application and the utility of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (10)
1. The utility model provides a lean phosphorus inflammable sludge innocent treatment device, includes the cauldron body, its characterized in that: the kettle body is internally provided with a first chamber and a second chamber for grinding and stirring, the first chamber and the second chamber are coaxially arranged, the first chamber is positioned in the second chamber and is provided with a movable wall part, and a third chamber is hermetically arranged below the first chamber and the second chamber;
the device comprises a first chamber, a second chamber, a third chamber, a stirring unit, an aeration unit, a second chamber, a third chamber and a driving unit, wherein the stirring unit is arranged in the first chamber and the second chamber and can stir the lean phosphorus mud, the aeration unit is communicated with an external air source and is arranged on the movable wall of the first chamber, the aeration unit is communicated with the second chamber and guides air flow into the second chamber, the grinding unit is also arranged on the movable wall of the first chamber and can grind the lean phosphorus mud in the first chamber, and the driving unit is arranged in the third chamber and can drive the stirring unit to work.
2. The phosphorus-deficient flammable sludge harmless treatment device according to claim 1, wherein: the driving unit is arranged along the central shaft of the kettle body and comprises a motor and a planetary gear structure, wherein the planetary gear structure comprises a sun gear, a planetary gear and a gear ring; the output shaft of the motor vertically upwards passes through the third cavity and extends into the first cavity, the output shaft positioned in the third cavity is connected with the sun gear in a key way, a plurality of vertical limiting shafts are arranged outside the sun gear at intervals in the circumferential direction, each limiting shaft is rotationally connected with a planetary gear, the inner edge of the gear ring is meshed with each planetary gear, and the top of the gear ring extends into the second cavity; the stirring unit in the first chamber is fixed on the output shaft of the motor, and the stirring unit in the second chamber is fixed on the top of the gear ring.
3. The phosphorus-deficient flammable sludge harmless treatment device according to claim 2, wherein: the movable wall part of the first chamber is an interlayer cylinder, the grinding unit comprises a cylinder, the cylinder comprises an inner layer, a gas transmission layer and an outer layer, the top of the gas transmission layer is communicated with an external gas source, a sliding block is connected in the gas transmission layer in a sliding manner, a spring is connected between the bottom surface of the sliding block and the bottom wall of the gas transmission layer, the lower end of the inner layer is provided with a plurality of first through holes which penetrate through the inner layer and are communicated with the first chamber, and the outer layer is provided with a plurality of second through holes which penetrate through the outer layer and are communicated with the second chamber; when the sliding block is positioned at the upper dead point, the sliding block only seals the second through hole; the second through hole is internally provided with a one-way valve for only gas to flow from the gas transmission layer into the second cavity, and the aeration unit comprises an aeration disc communicated with the second through hole.
4. The phosphorus-deficient flammable sludge harmless treatment device according to claim 3, wherein: the stirring unit in the first cavity comprises grinding blades arranged on the output shaft, and a plurality of groups of grinding blades are arranged at intervals along the output shaft from top to bottom; the stirring unit in the second cavity comprises stirring blades arranged at the top of the gear ring, and the stirring blades are all provided with a plurality of stirring blades along the circumferential direction of the gear ring.
5. The phosphorus-deficient flammable sludge harmless treatment device according to claim 4, wherein: the top of the kettle body is provided with a separable top cover, and the top cover is provided with a gas transmission port communicated with an external gas source, a feeding port communicated with phosphorus mud to be treated and a transfusion port for adding an oxidizing solution.
6. The phosphorus-deficient flammable sludge harmless treatment device according to claim 5, wherein: the aeration disc is in interference fit inside the second through hole, and the aeration disc is perpendicular to the cylinder body.
7. The phosphorus-deficient flammable sludge harmless treatment device according to claim 6, wherein: the inner layer of the cylinder body is provided with a plurality of grinding cones at intervals along the height, and each grinding cone is positioned between adjacent grinding blades.
8. The phosphorus-deficient flammable sludge harmless treatment device according to claim 7, wherein: the outer wall of the gear ring is provided with a sealing ring which is in contact with the inner wall of the kettle body, the outer wall of the kettle body is provided with a valve for discharging, and the valve is positioned above the sealing ring.
9. The phosphorus-deficient flammable sludge harmless treatment device according to claim 8, wherein: lifting lugs are mounted on the top surface of the cylinder body.
10. The phosphorus-deficient flammable sludge harmless treatment device according to claim 9, wherein: the outer edge of the top cover is connected with the top wall of the kettle body through a flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311122008.0A CN117003448A (en) | 2023-08-31 | 2023-08-31 | Harmless treatment device for phosphorus-lean inflammable sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311122008.0A CN117003448A (en) | 2023-08-31 | 2023-08-31 | Harmless treatment device for phosphorus-lean inflammable sludge |
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| Publication Number | Publication Date |
|---|---|
| CN117003448A true CN117003448A (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311122008.0A Withdrawn CN117003448A (en) | 2023-08-31 | 2023-08-31 | Harmless treatment device for phosphorus-lean inflammable sludge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117682734A (en) * | 2024-02-04 | 2024-03-12 | 江苏中碳能投环境服务集团有限公司 | Air-compression grinding sludge dewatering system |
-
2023
- 2023-08-31 CN CN202311122008.0A patent/CN117003448A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117682734A (en) * | 2024-02-04 | 2024-03-12 | 江苏中碳能投环境服务集团有限公司 | Air-compression grinding sludge dewatering system |
| CN117682734B (en) * | 2024-02-04 | 2024-04-12 | 江苏中碳能投环境服务集团有限公司 | Air-compression grinding sludge dewatering system |
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Application publication date: 20231107 |