CN115672925B - Dangerous waste treatment equipment - Google Patents
Dangerous waste treatment equipment Download PDFInfo
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- CN115672925B CN115672925B CN202211311200.XA CN202211311200A CN115672925B CN 115672925 B CN115672925 B CN 115672925B CN 202211311200 A CN202211311200 A CN 202211311200A CN 115672925 B CN115672925 B CN 115672925B
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- shearing
- crushing
- rolling
- roller
- homogenizing
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- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The application relates to dangerous waste treatment equipment, which relates to the technical field of dangerous waste treatment and comprises the following components: the shell is provided with a feed inlet at the top and a discharge outlet at the bottom; the homogenizing helical blade is provided with homogenizing holes, the material with the particle size larger than that of the homogenizing holes is lifted, and bubbles are generated at the homogenizing holes in the rotating process of the homogenizing helical blade; the shearing mechanism shears the materials passing through the shearing mechanism; the screening spiral blade is provided with screening holes, and the material with the particle size larger than that of the screening holes is lifted; the rolling mechanism rolls the materials entering from the feeding port and the materials lifted by the screening spiral blades; the homogenizing helical blade, the shearing mechanism, the screening helical blade and the rolling mechanism are sequentially arranged from bottom to top, are connected with the rotating shaft and rotate around the rotating shaft; the pore diameter of the homogeneous pore is smaller than that of the sieving pore.
Description
Technical Field
The application relates to the technical field of hazardous waste recovery treatment, in particular to hazardous waste treatment equipment.
Background
In the current industrial production, a plurality of wastes, especially in places such as steel factories, cement kilns and the like, are generated, sludge and fly ash contain heavy metal and other harmful impurities, the hazardous wastes pollute the surrounding environment if not treated in time, and the wastes are difficult to even degrade if not treated manually, so that the wastes are required to be utilized and treated. In the case of direct incineration, the waste is burnt incompletely, carbon monoxide gas and carbon particles polluting the environment are produced, and impurities such as heavy metals still cannot be treated. The hazardous waste is generally sent to cement kilns, steelworks and the like, and recycled after pretreatment.
Since hazardous waste materials generally include solids, pastes, liquids, and the like; in pretreatment, the solid is required to be crushed to a certain particle size and then stirred uniformly; when the hazardous waste is used as a doping material, the hazardous waste is also required to be homogenized so as to improve the distribution uniformity of the dispersion, thereby ensuring the stability of the performance of the doping material.
At present, the homogenization of hazardous waste materials generally adopts modes such as shearing or rolling, and large acting force can be generated in the homogenization process, so that the high requirements on the pressure bearing capacity of internal components and shells of the machine are met, and the homogenizer is often independently existing due to the material requirements and cost reasons. The pretreatment of the hazardous waste material needs a plurality of machines, occupies large space, and relates to the transportation of the hazardous waste material among different machines, which is very inconvenient and easy to leak to cause pollution.
Disclosure of Invention
The application aims to provide dangerous waste treatment equipment which integrates the functions of uniform crushing, rolling, shearing and homogenizing and has the pressure bearing capacity of an internal component and a shell opposite to that of the prior art.
The application provides dangerous waste treatment equipment which adopts the following technical scheme:
a hazardous waste treatment facility comprising:
the shell is provided with a feed inlet at the top and a discharge outlet at the bottom;
the homogenizing helical blade is provided with homogenizing holes, the material with the particle size larger than that of the homogenizing holes is lifted, and bubbles are generated at the homogenizing holes in the rotating process of the homogenizing helical blade;
the shearing mechanism shears the materials passing through the shearing mechanism;
the screening spiral blade is provided with screening holes, and the material with the particle size larger than that of the screening holes is lifted;
the rolling mechanism rolls the materials entering from the feeding port and the materials lifted by the screening spiral blades;
the homogenizing helical blade, the shearing mechanism, the screening helical blade and the rolling mechanism are sequentially arranged from bottom to top and are fixedly connected with the rotating shaft;
the pore diameter of the homogeneous pore is smaller than that of the sieving pore.
By adopting the technical scheme, the material part entering from the feed inlet sequentially passes through the rolling mechanism, the shearing mechanism and the homogenizing helical blade to be rolled, sheared and homogenized, and the other part of the material falls into the bottom of the shell, so that the pressure of the rolling mechanism and the shearing mechanism in the earlier stage is reduced; the part of the materials move upwards under the action of the homogenizing helical blades, the part with the particle size reaching the standard leaks under the action of the homogenizing holes, and the materials with the particle size larger than the homogenizing holes move upwards to the shearing mechanism and are sheared under the action of the shearing mechanism; the materials with the grain diameter larger than that of the screening holes can rise to a rolling mechanism for rolling treatment under the action of the screening spiral blades; so that the material entering from the feed inlet is processed according to the sequence of rolling, shearing and homogenizing, and the other part of the material is reversely and upwards rolled, sheared and homogenized at the bottom of the shell; in the process, the processing pressure of the rolling mechanism, the shearing mechanism and the initial stage of the homogenizing helical blade is reduced, so that the whole processing process is balanced before and after; and the convection of the materials in the vertical direction is enhanced, so that the materials in the rolling, shearing and homogenizing stages can be mixed at the same time, the overall mixing and homogenizing effect is enhanced, and the homogenizing efficiency is improved.
Optionally, the shearing mechanism comprises a shearing roller, and the inner wall of the shell is correspondingly provided with a shearing block; and the shearing roller is in clearance arrangement with the shearing block.
By adopting the technical scheme, the shearing roller continuously intersects with and is far away from the shearing block fixed on the inner wall of the shell in the continuous rotation; in the process of intersection, the distance between the rest shearing blocks of the shearing rollers is changed from large to small, and the materials between the rest shearing blocks are sheared; and when reaching minimum clearance department, make big to the material shearing action between, then the clearance grow, and in this in-process, the material between goes through the pressure from big to little process, can go through shearing, impact mixed effort to can produce a large amount of bubbles in liquid, colloid, the bubble can produce high-frequency vibrations in the material in the in-process that produces, breaks, improves the homogeneity effect.
Optionally, the gap width between the shearing block and the shearing roller gradually increases from the inner wall of the shell to the direction of the rotating shaft.
Through adopting above-mentioned technical scheme for after the great material of particle diameter gets into between shearing piece and the shearing roller, can follow the place that the clearance is little to the big place removal in clearance, avoid producing too big pressure to shearing piece, shearing roller, the material that the final particle diameter is greater than the biggest clearance between shearing piece and the shearing roller and can't shear can roll in the position that is close to the axis of rotation upward movement to rolling mechanism department.
Optionally, the cross section of the shearing roller along the rotation direction is elliptical; and a shearing supporting block is arranged at one side of the joint of the shearing roller and the rotating shaft along the rotating direction, and the shearing supporting block has acting force upwards along the axial direction of the rotating shaft on the contacted materials.
By adopting the technical scheme, after the shearing roller and the shearing block are intersected, the gap is gradually reduced, so that materials with larger particle sizes can be conveniently moved away, and the materials are prevented from being blocked; meanwhile, the pressure surge between the shearing roller and the shearing block can be avoided, so that the shearing roller and the shearing block are worn or even broken.
Optionally, each shearing roller is provided with two shearing blocks correspondingly, and the two shearing blocks are symmetrically arranged on the upper side and the lower side of the shearing roller in the vertical direction.
Through adopting above-mentioned technical scheme for when shearing roller and shearing piece meet, the shearing roller offsets because of the effort that two upper and lower shearing pieces received mutually, avoids receiving unidirectional effect for a long time and leads to the shearing roller crooked, influences the shearing effect to the material, and reduces the cracked risk of junction with the axis of rotation.
Optionally, the method further comprises: lifting the spiral blade and the crushing mechanism; the lifting spiral blade and the crushing mechanism are sequentially arranged above the rolling mechanism; the lifting helical blade is provided with a material leakage hole, and the aperture of the material leakage hole is larger than that of the screening hole.
By adopting the technical scheme, the limit of the particle size of the material processed by the device is improved, so that the application range of the device is increased, and the lifting spiral blade can lift the material with the particle size larger than that of the material leakage hole to the crushing mechanism for crushing; meanwhile, the acting force applied by the rolling mechanism is further reduced, so that the crushing mechanism bears the pressure of the materials with the particle size larger than that of the leakage hole during crushing; thereby reducing the local maximum stress of the device, reducing the abrasion of the device and prolonging the service life.
Optionally, the rolling mechanism comprises a rolling roller, the inner wall of the shell is provided with a rolling block correspondingly matched with the rolling roller, one side of the rolling block, which is close to the rolling roller, is provided with a rolling groove, and the rolling roller is matched with a groove body of the rolling groove to roll the material entering the rolling groove; the crushing mechanism comprises a crushing roller, broken pieces which are correspondingly matched with the crushing roller are arranged on the inner wall of the shell, a crushing groove is formed in one side, close to the crushing roller, of the broken pieces, and the crushing roller is matched with a groove body of the crushing groove to crush materials entering the crushing groove.
Through adopting above-mentioned technical scheme, when grinding roller and the piece that grinds the material, through the area of the atress of the increase casing of the piece that grinds, avoid material and casing direct contact to cause the casing area of atress too little, and wearing and tearing aggravate, even damage.
Optionally, the distance between the bottom of the crushing groove and the rotating shaft is smaller than the distance between the bottom of the rolling groove and the rotating shaft, and the length of the crushing roller is shorter than the length of the rolling roller.
Through adopting above-mentioned technical scheme, reduce the moment of torsion of crushing roller when carrying out the breakage to the material to reduce the cracked risk of crushing roller and axis of rotation junction, increase of service life.
Optionally, a plurality of rolling blocks are arranged and distributed in an annular array around the rotating shaft; the crushing blocks are arranged in a plurality, and are distributed in an annular array around the rotating shaft; the number of roller compaction blocks is greater than the number of broken blocks.
Through adopting above-mentioned technical scheme, make the material break with higher frequency, roll, annular array distributes and can make broken, the interval of rolling even for broken roller, broken piece, roll and roll the piece and can keep even radiating effect, avoid overheated wearing and tearing aggravation that leads to.
Optionally, a rolling support block is arranged at one side of the joint of the rolling roller and the rotating shaft along the rotating direction, and the rolling support block has acting force towards the rolling groove along the radial direction of the rotating shaft on the contacted material; the crushing roller with rotation axis junction is provided with broken supporting shoe along rotation direction one side, broken supporting shoe has along the axis of rotation radial and towards the effort of broken groove to the material that contacts.
By adopting the technical scheme, the rolling support block is arranged to strengthen the connection strength between the rolling roller and the rotating shaft, and meanwhile, the rolling support block has acting force along the radial direction of the rotating shaft on the contacted material, so that the passed material moves to the rolling block, and enters the rolling groove for rolling; the crushing supporting block is arranged to strengthen the connection strength between the crushing roller and the rotating shaft, and meanwhile, the crushing supporting block has radial acting force along the rotating shaft on the contacted material, so that the passing material moves towards the crushing block, and then enters the crushing groove to be crushed.
Optionally, the grinding block, the crushing block and the inner wall of the shell are detachably connected.
By adopting the technical scheme, the grinding block and the crushing block can be replaced when the grinding block and the crushing block are seriously worn.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the rolling mechanism, the shearing mechanism and the homogenizing helical blade are sequentially arranged in the vertical direction to roll, shear and homogenize part of the materials, the other part of the materials fall to the bottom of the shell, and the materials with different particle diameters are respectively lifted to the shearing mechanism and the rolling mechanism under the screening of the homogenizing helical blade and the screening helical blade; therefore, after the material enters the shell, different areas are homogenized, sheared and rolled simultaneously, so that the stress of all parts in the shell is balanced, and the local stress in the shell is reduced;
2. the material part rolls, shears and homogenizes from top to bottom in proper order, and another part material upwards moves from the bottom under the effect of homogeneity helical blade, screening helical blade to produce convection current in the vertical direction, improved mixing efficiency and mixing uniformity.
Drawings
FIG. 1 is a schematic view of the overall structure of the present application;
fig. 2 is a schematic view of a sectional structure in the vertical direction of embodiment 1 of the present application;
FIG. 3 is a schematic view showing the internal perspective structure of embodiment 2 of the present application;
FIG. 4 is a schematic view showing the internal sectional structure of embodiment 2 of the present application;
FIG. 5 is a schematic view of the partial enlarged structure of the region D in FIG. 4;
FIG. 6 is a front view of the present application;
FIG. 7 is a schematic view of the cross-sectional structure in the direction A-A in FIG. 6;
FIG. 8 is a schematic view of the sectional structure in the direction B-B in FIG. 6;
FIG. 9 is a schematic view of the cross-sectional structure in the direction C-C in FIG. 6;
in the figure, 1, a shell; 11. a feed inlet; 12. a discharge port; 2. homogenizing the helical blade; 21. homogenizing the hole; 3. a shearing mechanism; 31. a shearing roller; 32. cutting into blocks; 33. shearing the supporting block; 4. screening the spiral blades; 41. screening holes; 5. a rolling mechanism; 51. a roller; 52. grinding into blocks; 53. rolling a groove; 54. rolling the supporting blocks; 6. a rotating shaft; 7. lifting the spiral blade; 71. a material leakage hole; 8. a crushing mechanism; 81. a crushing roller; 82. breaking fragments; 83. a crushing tank; 84. crushing the supporting blocks.
Detailed Description
The application provides a hazardous waste treatment device, comprising:
the device comprises a shell 1, wherein a feed inlet 11 is formed in the top of the shell 1, and a discharge outlet 12 is formed in the bottom of the shell;
the homogenizing helical blade 2 is provided with a homogenizing hole 21, the material with the particle size larger than that of the homogenizing hole 21 is lifted, and bubbles are generated at the homogenizing hole 21 in the rotating process of the homogenizing helical blade 2;
a shearing mechanism 3, wherein the shearing mechanism 3 shears the materials passing through the shearing mechanism 3;
the screening spiral blades 4 are provided with screening holes 41, and materials with the particle size larger than that of the screening holes 41 are lifted;
the rolling mechanism 5 is used for rolling the materials entering through the feed inlet 11 and the materials lifted by the screening spiral blades 4;
the homogenizing helical blade 2, the shearing mechanism 3, the screening helical blade 4 and the rolling mechanism 5 are sequentially arranged from bottom to top, are fixedly connected with the rotating shaft 6 and rotate along with the rotation of the rotating shaft 6;
the pore diameter of the homogenizing pores 21 is smaller than that of the sieving pores 41.
When the applicant recovers and processes the dangerous waste materials (such as sludge, coal ash, etc.) of steel and cement kiln, the applicant needs to firstly carry out preliminary crushing, crush the large materials in the dangerous waste materials into granular materials with smaller size, then crush the granular materials into powder, and form suspension and emulsion with the liquid (water or other liquid treating agent is added when the dangerous waste materials are dry); then pouring the materials into a homogenizer for homogenization to obtain a treated material with uniform performance, and adding the treated material into the fields of concrete, steelmaking and the like, so that hazardous waste materials can be treated, a part of raw materials can be replaced, and the cost is reduced. However, the applicant has to go through several treatment facilities when dealing with hazardous waste, and the middle may also involve leakage problems. Moreover, when the homogenizer is homogenized, the high-strength steel is needed for the housing of the homogenizer and the internal shearing mechanism due to overlarge internal shearing pressure, so that the overall cost is high, and the later maintenance and replacement cost is high. The applicant has also appreciated that, when improving this aspect, the prior art devices integrate the functions of crushing, shearing, homogenizing, etc., but are relatively bulky, relatively time-consuming, relatively inefficient, due to the need to perform crushing, shearing, and homogenizing in sequence, and relatively high demands on the material as a whole, due to the high local pressures at which the treatments are performed. Based on the current situation, the applicant makes the improvement, the materials in the scheme of the application enter from the feed inlet 11, part of the materials sequentially pass through the rolling mechanism 5, the shearing mechanism 3 and the homogenizing helical blade 2 to be rolled, sheared and homogenized, and the other part of the materials fall to the bottom of the shell 1, so that the pressure of the rolling mechanism and the shearing mechanism in the earlier stage is reduced, and the performance requirements on equipment materials are reduced; meanwhile, the part of the unprocessed falling material moves upwards under the action of the homogenizing helical blade 2, the part with the particle size reaching the standard leaks under the action of the homogenizing hole 21, and the material with the particle size larger than the homogenizing hole 21 moves upwards to the shearing mechanism 3 and is sheared under the action of the shearing mechanism 3; the materials with the grain diameter larger than the screening holes 41 can rise to the rolling mechanism 5 for rolling treatment under the action of the screening helical blades 4; so that the material entering from the feed inlet 11 is processed according to the sequence of rolling, shearing and homogenizing, while the other part of the material is reversely and upwards rolled, sheared and homogenized at the bottom of the shell 1; in the process, the processing pressure of the rolling mechanism 5, the shearing mechanism 3 and the homogenizing helical blade 2 in the initial stage is reduced, so that the whole processing process is balanced before and after; and the convection of the materials in the vertical direction is enhanced, so that the materials in the rolling, shearing and homogenizing stages can be mixed at the same time, the overall mixing and homogenizing effect is enhanced, and the homogenizing efficiency is improved.
The present application will be described in further detail with reference to fig. 1 to 9.
Example 1
The hazardous waste treatment equipment comprises a shell 1, wherein the top of the shell 1 is provided with a feed inlet 11, and the bottom of the shell is provided with a discharge outlet 12; referring to fig. 2, a rotation shaft 6 is provided inside the housing 1, and the rotation shaft 6 is driven by a motor; the rotating shaft 6 is provided with a homogenizing helical blade 2, a shearing mechanism 3, a screening helical blade 4 and a rolling mechanism 5 in sequence from bottom to top; the homogenizing screw blade 2 is provided with a homogenizing hole 21, the sieving screw blade 4 is provided with a sieving hole 41, and the aperture of the homogenizing hole 21 is smaller than that of the sieving hole 41.
The homogenizing helical blade 2 is provided with homogenizing holes 21, the material with the particle size larger than that of the homogenizing holes 21 is lifted to the region of the shearing mechanism 3 for shearing, and bubbles are generated at the homogenizing holes 21 in the rotation process of the homogenizing helical blade 2, and high-frequency vibration is generated when the bubbles are generated and broken, so that the homogenizing effect is improved.
The shearing mechanism 3 shears the materials passing through the shearing mechanism 3, part of the materials with reduced shearing particle size fall from the homogenizing holes 21 of the homogenizing helical blades 2, and part of the materials rise to perform convection mixing; and the material with the grain diameter larger than the sieving holes 41 can rise to the rolling mechanism 5 under the action of the sieving spiral blades 4 to be rolled.
The implementation principle of the embodiment of the application is as follows: the materials enter from the feed inlet 11, part of the materials sequentially pass through the rolling mechanism 5, the shearing mechanism 3 and the homogenizing helical blade 2 to be rolled, sheared and homogenized, and the other part of the materials fall into the bottom of the shell 1; the part of the materials which fall under the treatment will move upwards under the action of the homogenizing helical blade 2, the part of the materials with the particle size smaller than the aperture of the homogenizing hole 21 will leak down under the action of the homogenizing hole 21, the materials with the particle size larger than the homogenizing hole 21 will move upwards to the shearing mechanism 3, and sheared under the action of the shearing mechanism 3; and the material with the grain diameter larger than the sieving holes 41 can rise to the rolling mechanism 5 for rolling treatment under the action of the sieving spiral blades 4.
Example 2
In the hazardous waste treatment equipment, referring to fig. 3, the embodiment is improved on the basis of embodiment 1, the shearing mechanism 3 adopts a shearing roller 31, and referring to fig. 2, a shearing block 32 is correspondingly arranged on the inner wall of the shell 1; the shearing roller 31 and the shearing block 32 are arranged in a clearance way, and the shearing roller 31 and the shearing block 32 are matched to shear materials.
In this embodiment, the applicant found that there is a risk of jamming in the gap between the shear roller 31 and the shear block 32; the following two improvements are thus made to the shear roller 31 and the shear block 32:
1. referring to fig. 4, the gap width between the shear block 32 and the shear roller 31 is set to gradually increase from the inner wall of the housing 1 toward the rotation axis 6, so that when the material is jammed, the material moves along the end with wider gap under the action of the flowing pressure until the material is separated from the shear block 32 and the shear roller 31, and then rises or falls along the rotation axis 6 until the sieved spiral blade 4 is lifted to the rolling mechanism 5 for rolling treatment.
2. Setting the cross section of the shear roller 31 in the rotation direction to be elliptical; the arcwall face setting can avoid the card material to a great extent, even the card material has also can be pushed away in the continuous convection of material.
In this embodiment, in order to improve the connection fastness between the shearing roller 31 and the rotating shaft 6, the applicant prolongs the service life; referring to fig. 5 and 9 in combination, a shear support block 33 is disposed at one side of the joint of the shear roller 31 and the rotation shaft 6 along the rotation direction, and the shear support block 33 can play a role in reinforcement to a certain extent; the applicant sets the side of the shear support block 33 away from the rotation shaft 6 and the shear roller 31 as an inclined surface; and the inclined surface has a lower level along the rotation direction of the rotation shaft 6 than the other side so that the inclined surface has an upward acting force along the axial direction of the rotation shaft 6 on the contacted material.
In this embodiment, the applicant has found that after a certain period of operation of the apparatus, the shearing roller 31 will bend away from the shear block 32, resulting in a reduced shearing effect; the applicant has thus made the following improvements: each shear roller 31 is provided with two shear blocks 32, and the two shear blocks 32 are symmetrically arranged on the upper side and the lower side of the shear roller 31 in the vertical direction. Thereby counteracting the forces of the material in the vertical direction on the shear roller 31 during the shearing process. The service life of the shear roller 31 is prolonged.
Example 3
A hazardous waste disposal apparatus, referring to fig. 2, differs from example 1 in that: the rotary shaft 6 of the embodiment is also provided with lifting spiral blades 7 and a crushing mechanism 8; the lifting spiral blade 7 and the crushing mechanism 8 are sequentially arranged above the rolling mechanism 5; the lifting spiral blade 7 is provided with a material leakage hole 71, and the aperture of the material leakage hole 71 is larger than that of the sieving hole 41.
In order to reduce the particle size requirement of materials entering the equipment, the applicant makes the improvement, increases the upper limit of the particle size of the materials processed by the equipment, and increases the application range of the equipment. Simultaneously, the lifting spiral blades 7 can lift materials with the particle size larger than that of the material leakage holes 71 to the crushing mechanism 8 for crushing; the acting force applied by the rolling mechanism 5 is further reduced, so that the crushing mechanism 8 bears the pressure of the materials with the particle size larger than that of the leakage holes during crushing; thereby reducing the local maximum stress of the equipment, reducing the abrasion of the equipment and prolonging the service life.
Example 4
With reference to fig. 3 and 4 in combination, this embodiment further defines the rolling mechanism 5 and the crushing mechanism 8 with respect to embodiment 3, and specifically includes the following steps:
the rolling mechanism 5 comprises a rolling roller 51, a rolling block 52 correspondingly matched with the rolling roller 51 is arranged on the inner wall of the shell 1, a rolling groove 53 is formed in one side, close to the rolling roller 51, of the rolling block 52, and the rolling roller 51 is matched with a groove body of the rolling groove 53 to roll materials entering the rolling groove 53; the crushing mechanism 8 comprises a crushing roller 81, crushing fragments 82 correspondingly matched with the crushing roller 81 are arranged on the inner wall of the shell 1, a crushing groove 83 is formed in one side, close to the crushing roller 81, of the crushing fragments 82, and the crushing roller 81 is matched with a groove body of the crushing groove 83 to crush materials entering the crushing groove 83.
The inner wall of the shell 1 is provided with the rolling block 52 and the crushing block 82, so that the stress area of the shell 1 can be increased when the equipment is rolled and crushed, the local stress of the shell 1 is reduced, the shell 1 is prevented from being scratched, and the service life is prolonged.
On the basis of the above, the applicant shortens the length of the crushing roller 81, increases the thickness of the crushed pieces 82, and reduces the distance between the bottom of the crushing groove 83 and the rotating shaft 6, so that the torque at the joint of the crushing roller 81 and the rotating shaft 6 is reduced when crushing, the risk of fracture at the joint of the crushing roller 81 and the rotating shaft 6 is reduced, and the service life is prolonged.
In order to crush the material at a high frequency, the applicant sets a plurality of crushing blocks 52 and 82 in this embodiment; in any application, a large amount of heat is generated in the rolling and crushing processes, and in order to ensure that the temperature of equipment is better controlled, the rolling blocks 52 and the crushing blocks 82 are respectively arranged to be distributed in an annular array around the rotating shaft 6;
considering that the frequency of crushing is lower than crushing, the applicant sets the number of crushing blocks 52 to be greater than the number of crushing blocks 82; referring collectively to fig. 7 and 8, the present application illustratively provides for the number of grinding compacts 52 to be six and the number of broken pieces 82 to be three.
Example 5
With reference to fig. 7 and 8 in combination, this embodiment further defines the crushing mechanism 5 and the crushing mechanism 8 with respect to embodiment 2. Referring to fig. 8, a rolling support block 54 is disposed at one side of the joint of the rolling roller 51 and the rotating shaft 6 along the rotating direction, and the rolling support block 54 has a force acting on the contacted material along the radial direction of the rotating shaft 6 and towards the rolling groove 53; referring to fig. 7, a crushing support block 84 is disposed at a connection portion of the crushing roller 81 and the rotation shaft 6 along a rotation direction, and the crushing support block 84 applies a force to the contacted material along a radial direction of the rotation shaft 6 and toward the crushing groove 83. The rolling support block 54 and the crushing support block 84 have the same shape, and the distance between one side of the rolling support block 54 (the crushing support block 84) and the rotating shaft 6 along the rotating direction of the rotating shaft 6 is larger than the distance between the other side and the rotating shaft 6; so that the crushing support blocks 54 (crushing support blocks 84) exert a force on the contacted material radially along the rotation axis 6 and towards the crushing groove 53 (crushing groove 83).
The applicant makes the improvement on the embodiment, and sets up the rolling support block 54 to strengthen the connection strength between the rolling roller 51 and the rotating shaft 6, meanwhile, the rolling support block 54 has acting force along the radial direction of the rotating shaft 6 on the contacted material, so that the passed material moves to the rolling block 52 and enters the rolling groove 53 for rolling; the crushing support blocks 84 are arranged to strengthen the connection strength between the crushing roller 81 and the rotating shaft 6, and meanwhile, the crushing support blocks 84 apply a force along the radial direction of the rotating shaft 6 to the contacted materials, so that the passed materials move to the crushing blocks 82 and enter the crushing groove 83 to be crushed.
Example 6
With integrated reference to fig. 1, 2 and 6, the applicant considers that the equipment will wear during operation, and considers that the later maintenance and replacement are not mentioned, and the present embodiment further defines the rolling mechanism 5 and the crushing mechanism 8 relative to embodiments 2-4. The shearing block 32, the rolling block 52, the crushing block 82 and the inner wall of the shell 1 are detachably connected. The grinding block and the crushing block can be replaced when the abrasion is serious.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. A hazardous waste treatment facility, comprising:
the device comprises a shell (1), wherein a feed inlet (11) is formed in the top of the shell (1), and a discharge outlet (12) is formed in the bottom of the shell;
the homogenizing spiral blade (2), wherein homogenizing holes (21) are formed in the homogenizing spiral blade (2), the material with the particle size larger than that of the homogenizing holes (21) is lifted, and bubbles are generated at the homogenizing holes (21) in the rotating process of the homogenizing spiral blade (2);
the shearing mechanism (3) is used for shearing the materials passing through the shearing mechanism (3); the shearing mechanism (3) comprises a shearing roller (31), and shearing blocks (32) are correspondingly arranged on the inner wall of the shell (1); the shearing roller (31) and the shearing block (32) are arranged in a clearance way;
the screening spiral blades (4), wherein screening holes (41) are formed in the screening spiral blades (4), and materials with particle sizes larger than those of the screening holes (41) are lifted;
the rolling mechanism (5) rolls the materials entering through the feed inlet (11) and the materials lifted by the screening spiral blades (4);
lifting the spiral blade (7) and the crushing mechanism (8); the lifting spiral blade (7) and the crushing mechanism (8) are sequentially arranged above the rolling mechanism (5); the lifting spiral blade (7) is provided with a material leakage hole (71), the aperture of the material leakage hole (71) is larger than that of the screening hole (41), the rolling mechanism (5) comprises a rolling roller (51), the inner wall of the shell (1) is provided with a rolling block (52) correspondingly matched with the rolling roller (51), one side, close to the rolling roller (51), of the rolling block (52) is provided with a rolling groove (53), and the rolling roller (51) is matched with a groove body of the rolling groove (53) to roll materials entering the rolling groove (53); the crushing mechanism (8) comprises a crushing roller (81), a crushing block (82) correspondingly matched with the crushing roller (81) is arranged on the inner wall of the shell (1), a crushing groove (83) is formed in one side, close to the crushing roller (81), of the crushing block (82), and the crushing roller (81) is matched with a groove body of the crushing groove (83) to crush materials entering the crushing groove (83);
the homogenizing helical blade (2), the shearing mechanism (3), the screening helical blade (4) and the rolling mechanism (5) are sequentially arranged from bottom to top and are fixedly connected with the rotating shaft (6);
the pore diameter of the homogenizing pores (21) is smaller than that of the sieving pores (41).
2. A hazardous waste disposal apparatus according to claim 1, wherein the gap width between the shearing block (32) and the shearing roller (31) is gradually increased from the inner wall of the housing (1) toward the rotation shaft (6).
3. A hazardous waste treatment device according to claim 1, characterized in that the cross section of the shearing roll (31) in the direction of rotation is arranged in an oval shape; the shearing roller (31) with rotation axis (6) junction is provided with shearing supporting shoe (33) along direction of rotation one side, shearing supporting shoe (33) have along rotation axis (6) axial ascending effort to the material that contacts.
4. A hazardous waste treatment device according to claim 1, characterized in that each of the shearing rolls (31) is provided with two shearing blocks (32) corresponding thereto, and the two shearing blocks (32) are symmetrically arranged on the upper and lower sides of the shearing roll (31) in the vertical direction.
5. A hazardous waste treatment device according to claim 1, characterized in that the distance of the bottom of the crushing tank (83) from the rotation axis (6) is smaller than the distance of the bottom of the crushing tank (53) from the rotation axis (6), and the length of the crushing roller (81) is shorter than the length of the crushing roller (51).
6. A hazardous waste treatment device according to claim 1, characterized in that the number of rolling blocks (52) is plural and distributed in an annular array around the rotation axis (6); the crushing blocks (82) are arranged in a plurality and distributed in an annular array around the rotating shaft (6); the number of roller compaction blocks (52) is greater than the number of broken blocks (82).
7. A hazardous waste treatment device according to claim 1, characterized in that a rolling support block (54) is arranged at one side of the joint of the rolling roller (51) and the rotating shaft (6) along the rotating direction, and the rolling support block (54) has acting force towards the rolling groove (53) along the radial direction of the rotating shaft (6) on the contacted material; the crushing roller (81) and the rotating shaft (6) are connected, one side of the crushing roller along the rotating direction is provided with a crushing supporting block (84), and the crushing supporting block (84) has acting force along the radial direction of the rotating shaft (6) and towards the crushing groove (83) on the contacted materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211311200.XA CN115672925B (en) | 2022-10-25 | 2022-10-25 | Dangerous waste treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211311200.XA CN115672925B (en) | 2022-10-25 | 2022-10-25 | Dangerous waste treatment equipment |
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| CN115672925A CN115672925A (en) | 2023-02-03 |
| CN115672925B true CN115672925B (en) | 2023-08-22 |
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| WO2022042026A1 (en) * | 2020-08-25 | 2022-03-03 | 温岭市兴风食品有限公司 | Automatic mechanical crushing device based on frozen materials |
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| CN103084286A (en) * | 2013-01-14 | 2013-05-08 | 江苏大学 | Straw cutting, crashing and sieving integrated device and method |
| CN108544682A (en) * | 2018-04-16 | 2018-09-18 | 宁波绿华橡塑机械工贸有限公司 | The stable crushing plastic film recycling comminutor of feed and recycling prilling process |
| WO2022042026A1 (en) * | 2020-08-25 | 2022-03-03 | 温岭市兴风食品有限公司 | Automatic mechanical crushing device based on frozen materials |
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| CN115672925A (en) | 2023-02-03 |
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