CN209801492U - Broken cooling system of high temperature solid waste residue piece - Google Patents
Broken cooling system of high temperature solid waste residue piece Download PDFInfo
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- CN209801492U CN209801492U CN201920360577.1U CN201920360577U CN209801492U CN 209801492 U CN209801492 U CN 209801492U CN 201920360577 U CN201920360577 U CN 201920360577U CN 209801492 U CN209801492 U CN 209801492U
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Abstract
The utility model provides a high-temperature solid waste residue block crushing and cooling system, which comprises a garbage incinerator, a crushing chamber and a collecting bin, wherein a vertical shaft is arranged at the bottom of the crushing chamber, a hammer shaft is arranged on the vertical shaft, hammers are arranged on the hammer shaft, the rotating radius of the hammers is gradually reduced from top to bottom, the upper-layer hammer is a rectangular hammer, the lower-layer hammer is a right-angle trapezoidal hammer, the angle of the acute angle of each right-angle trapezoidal hammer is gradually reduced from top to bottom, and a counterattack plate is arranged on the inner wall of the crushing chamber; the lower part of the crushing chamber is provided with a high-pressure cooling air chamber, the top of the high-pressure cooling air chamber is provided with a smooth umbrella plate, the smooth umbrella plate is provided with a high-pressure cooling air pipe, and the lower part of the smooth umbrella plate is connected with a conical slag particle collecting bin. The slag block not only achieves the purpose of graded crushing, but also quickly reduces the temperature of the slag block, and reduces the energy consumption of the existing equipment caused by high linear velocity of multilayer hammers and heavy hammers; the diameter of the crushed slag block is 5mm-30mm, so that the problem that the conveying equipment is damaged by falling of large slag blocks is solved.
Description
Technical Field
the utility model belongs to the solid useless field of dealing with such as domestic waste, in particular to broken cooling system of solid waste residue piece of high temperature.
Background
The economic development mode of the past decades of China is mainly linear economy of 'resources-products-wastes', the sustainable development of the resources is difficult to realize in the economic development mode, and the economic development mode can finally cause the destruction of the ecological environment, so that the shortage and even the exhaustion of the resources are caused. To realize sustainable development of economy, a 'circular economy' road is needed. With the continuous promotion of the urbanization process of China, the urban population is continuously increased, and a large amount of domestic garbage is generated in industrial production and resident life. In recent years, the problem of household garbage pollution frequently poses great threats to the life health and property safety of people, and the treatment of a large amount of household garbage becomes a difficult problem of environmental management, so that the problem is an environmental protection problem to be solved urgently. The mode of taking solid waste as fuel to burn and generate electricity or provide heat energy for industry is one of the ways of walking the recycling economy road, and technical innovation is needed to realize sustainable development of walking the recycling economy road.
Solid waste disposal is achieved by burning solid waste in a furnace, heat energy is provided for an industrial system, but hard and compact high-temperature slag blocks with large volume (the diameter is 100mm ~ mm) are frequently generated in the slag discharging process of a vertical solid waste incinerator, conveying equipment is frequently broken when the slag blocks with large weight (some of the slag blocks can exceed 50 kg) fall, belt carrier rollers are broken, zippers of zipper machines are broken, and the like, so that great economic loss can be caused.
Disclosure of Invention
To the problem that exists, the utility model aims at providing a broken cooling system of solid useless cinder block of high temperature, with broken, two kinds of technical looks couplings of cooling, both reached the purpose of broken in grades, the temperature of simultaneously quick reduction cinder block has reduced the energy resource consumption that current equipment produced because of multilayer tup linear velocity is high and the tup is heavy again.
The utility model aims at realizing through the following technical scheme:
a high-temperature solid waste residue block crushing and cooling system comprises a garbage incinerator, a crushing chamber and a collecting bin from top to bottom, wherein the middle of the crushing chamber is cylindrical, a vertical shaft is installed at the bottom of the cylinder, a plurality of rows of hammer shafts are installed on the vertical shaft, hammers are arranged on the hammer shafts and driven by the vertical shaft to rotate at a high speed, the rotating radius of the hammers is gradually reduced from top to bottom, the weight of the hammers is also gradually reduced from top to bottom, the uppermost hammer is a rectangular hammer, the hammers of other lower layers are right-angled trapezoid hammers, the right-angled edges of the right-angled trapezoid hammers are connected with the hammer shafts, the acute-angled angles of the right-angled trapezoid hammers are gradually reduced from top to bottom, and counterattack plates are; the lower part of the crushing chamber is provided with a high-pressure cooling air chamber, the top of the high-pressure cooling air chamber is provided with a smooth umbrella plate, the smooth umbrella plate is provided with a high-pressure cooling air pipe, and anti-smashing columns are arranged around the high-pressure cooling air pipe; smooth umbrella board sub-unit connection the storehouse is collected to tapered sediment grain, and is equipped with emergency door on collecting the storehouse lateral wall.
further, the acute angle α of the rectangular trapezoid hammer head is 50 ° ~ 70 °.
furthermore, the impact plate comprises a wedge-shaped impact plate and a rectangular impact plate, and the lowest impact plate on the inner wall of the equipment is the rectangular impact plate, wherein the included angle beta between the upper part of the wedge-shaped impact plate and the vertical direction is 10-20 degrees, the included angle gamma between the lower part of the wedge-shaped impact plate and the vertical direction is 70- ~ 80 degrees, and the protruding angle of the wedge-shaped impact plate is 90 degrees.
Furthermore, the diameter of the middle cylindrical shape of the crushing chamber is 2000mm-2500mm, the height is 2800mm-3200mm, the length of the hammer shaft is 400mm-600mm, the height of the vertical shaft is 1600mm-2500 mm, and the rotating speed N = 600-; the bottom surface of the high-pressure cooling air chamber is 800mm-1200mm in diameter and 300mm-600mm in height.
furthermore, three rows of hammer shafts are mounted on the vertical shaft, the hammers on the uppermost layer are rectangular, the hammers on the second layer and the third layer are all right-angled trapezoid hammers, the acute angle of the hammers on the second layer is 60 degrees, and the acute angle of the hammers on the third layer is 45 degrees.
Furthermore, the height of the anti-smashing column is higher than that of the high-pressure cooling air pipe.
furthermore, the vertical shaft is made of heat-resistant steel; the hammer head is made of high manganese steel and is subjected to heat treatment.
The utility model discloses compare prior art's beneficial effect does:
1. The utility model discloses a solid waste residue piece of high temperature broken cooling system, it is a system that can carry out effective cooling when the solid waste bottom sediment of high temperature is broken, because the cooling air stops the whereabouts of sediment piece upwards at a high speed, make the sediment piece break and the refrigerated time has all been prolonged, break more evenly, the cooling effect is better, and set up around the high-pressure cooling pipe and prevent pounding the post, can prevent to cause the direct whereabouts of big sediment piece to pound the bad high-pressure cooling tuber pipe because of the breaker breaks down;
2. The utility model discloses a crushing room in high temperature solid waste slag piece crushing cooling system, utilize the rotatory multilayer tup at a high speed to beat the bold slag piece in grades on the counterattack board on the equipment inner wall, bounce from the counterattack board again and be beaten to the counterattack board by the tup of high-speed rotation, the topmost layer rectangle tup radius of rotation is the biggest, and weight is the biggest, be used for crushing bold slag piece, the tup here is right trapezoid, and radius of rotation reduces layer by layer, weight descends simultaneously, the striking dynamics also reduces gradually, thereby break into the slag piece of different particle diameters with the different levels of bold slag piece;
2. The utility model discloses a solid waste slag piece of high temperature breaks cooling system, the right trapezoid tup in the crushing chamber, the outer edge has the oblique 50 degrees ~ 70 degrees inclination, the right trapezoid tup is used for breaking the little cinder of leaning on, and utilize the inclination can be toward hitting the cinder to the direction of oblique rising, make the cinder overcome partial gravity and prolong in the air dwell time, can be rebounded by wedge type counterattack board and hit by second layer tup again or hit by the third layer tup;
3. The more the crushing times are, the smaller the particle size of the slag blocks becomes, the farther the distance rebounded by the wedge-shaped impact plate is, namely, the closer to the center is, therefore, in the crushing chamber, the rotating radius of the hammer head is gradually reduced, thereby ensuring that the rebounded small slag blocks can be hit by the hammer head;
4. In the crushing chamber, the working surface of the upper impact plate is designed with the wedge-shaped impact plate with a certain inclination angle, and the wedge-shaped impact plate can bounce upwards in an inclined way after impacting the working surface of the impact plate, so that slag blocks cannot fall rapidly due to gravity; the lowest layer of impact plate on the inner wall of the crushing chamber is a rectangular impact plate, so that crushed slag particles can fall into the collecting bin quickly, the effect of protecting the barrel of the crushing chamber in a wear-resistant manner is achieved, and the crushed slag particles enter the collecting bin and then enter the conveying equipment to be conveyed away by the conveying equipment;
5. In the crushing chamber, because tup radius of rotation reduces gradually, weight descends gradually, reduced because of the high energy consumption that produces with tup weight of multilayer tup linear velocity, belong to low energy consumption equipment.
Drawings
FIG. 1 is a schematic structural view of a high-temperature solid waste slag block crushing and cooling system of the present invention;
FIG. 2 is a schematic cross-sectional structure view of a rectangular hammer head;
FIG. 3 is a schematic cross-sectional structure view of the rectangular hammer head;
FIG. 4 is a schematic cross-sectional view of a wedge-shaped reaction plate;
Fig. 5 is a schematic cross-sectional structure of a rectangular impact plate.
Detailed Description
as shown in figure 1, the embodiment provides a high-temperature solid waste slag block crushing and cooling system, the system comprises a garbage incinerator 1, a crushing chamber 2 and a collection bin 3 from top to bottom, the middle of the crushing chamber 2 is cylindrical, a heat-resistant steel vertical shaft 21 is installed at the bottom of the cylinder, three rows of hammer shafts are installed on the vertical shaft 21, hammer heads are arranged on the hammer shafts, the hammer heads are made of high-manganese steel and are subjected to heat treatment, the hammer heads can rotate at high speed under the driving of the vertical shaft, the rotating radius of the hammer heads is gradually reduced from top to bottom, the weight of the hammer heads is gradually reduced from top to bottom, as shown in figure 2, the hammer heads on the uppermost layer are square hammer heads 22, as shown in figure 3, the hammer heads on the second layer and the third layer are right-angle trapezoidal hammer heads 23, right-angle sides of the right-angle trapezoidal hammer heads 23 are connected with the hammer shafts, acute-angle alpha angles of the second layer and third layer right-angle trapezoidal hammer heads are respectively 60 degrees and 45 degrees, the weight of the hammer heads on the second layer is smaller than that of the rectangular hammer heads on the uppermost layer, the rectangular hammer heads, weight of the rectangular hammer heads is smaller than that on the rectangular hammer heads on the second layer, weight of the rectangular hammer heads, as shown in figure 4 and 5, the rectangular hammer heads, the rectangular hammer plates are arranged on the inner wall of the crushing chamber 2, the cooling chamber 2 is arranged on the crushing chamber 2, the crushing chamber 2, the crushing chamber is a high-angle of a high-pressure-angle.
the diameter of the middle cylindrical part of the crushing chamber 2 is 2200mm, the height is 3000mm, the length of the three layers of hammer shafts is 400mm, 500mm and 600mm from bottom to top in sequence, the height of the vertical shaft is 2000mm, and the rotating speed N = 600-. The length and width of each wedge-shaped impact plate is 250mm x 160mm, and the length and width of the lowermost rectangular impact plate is 300mm x 150 mm. The height of the high-pressure cooling air pipe is 110mm, the diameter of the high-pressure cooling air pipe is 6mm, the pressure of the high-pressure cooling air is 10-30Kpa, and the diameter of the bottom surface of the high-pressure cooling air chamber is 1000mm, and the height of the high-pressure cooling air chamber is 500 mm.
the garbage is incinerated for 2h to 4h at the temperature of 600 ℃ to 1000 ℃ by the garbage incinerator 1, the slag needs to be discharged once, a large slag block 4 with the diameter of 100mm ~ 800mm needs to be crushed when discharging the slag, the large slag block directly enters the crushing chamber 2 at the lower end of the large slag block, the large slag block is beaten to the surrounding back-beating plate in a grading manner by using a multi-layer hammer head rotating at high speed in the cylindrical crushing chamber, then the large slag block is bounced from the back-beating plate and is beaten to the back-beating plate again by the hammer head rotating at high speed, different grades are crushed into different grain diameters, the beating radius of the hammer head is gradually reduced along with the reduction of the diameter of the crushed slag block from top to bottom, the linear velocity of the hammer head is also gradually reduced, the weight of the hammer head is also reduced from top to bottom, the beating force is also reduced along with the reduction of the weight of the hammer head from top.
The rotary radiuses of the hammers in each layer are different, the radiuses of the hammers are gradually reduced from top to bottom, the first-level hammers are square, and the weight of the first-level hammers is the largest and used for crushing large slag blocks. The second-level hammer head is in a right trapezoid shape, the angle of the acute angle alpha of the right trapezoid hammer head is 60 degrees, and the weight of the second-level hammer head is smaller than that of the first-level hammer head and used for crushing medium slag blocks. The third layer of hammer heads are also designed into right trapezoid, the angle of an acute angle alpha of the right trapezoid hammer heads is 45 degrees, and the smallest weight is used for crushing small slag blocks after primary crushing and secondary crushing; thereby the large slag blocks discharged from the incinerator 1 are crushed in a layered way.
After entering the crushing chamber 2, large slag blocks are crushed by the first layer of rectangular hammers and impact the wedge-shaped impact plates, the mass of the large slag blocks 4 is reduced after the large slag blocks are crushed by the first layer of hammers, and the large slag blocks rebound to a far distance and approach to the central position through the wedge-shaped impact plates, so that the rotating radius of the second layer of hammers is reduced compared with that of the first layer, and the distance from the central shaft is closer than that of the first layer, so that the large slag blocks can be impacted to the slag blocks rebounded by the impact plates for the first time, and the slag blocks are prevented from crossing the second layer of hammers when rebounded after being crushed for the; the acute angle alpha of the right-angle trapezoid hammer head of the second layer is 60 degrees, and the slag block can be beaten in the obliquely upward direction, so that the slag block overcomes partial gravity, the staying time in the air is prolonged, and the slag block can be rebounded by the wedge-shaped impact plate to be beaten by the hammer head of the second layer again or be beaten by the hammer head of the third layer. The third layer tup radius of rotation reduces than the second floor radius, the more the broken number of times slag block particle diameter becomes less, the farther the distance that is rebounded by wedge type reaction plate is, be close to the center promptly, consequently, top-down tup radius of rotation reduces gradually, in order to guarantee that the most slag block that is rebounded can both be hit by the tup, the third layer tup also designs for right trapezoid, right trapezoid's acute angle alpha's angle is 45, overall dimension and weight are all less than the second floor, because broken third level slag block that becomes less, reduce the requirement to crushing capacity.
The working surface of most counterattack boards is designed with a certain inclination angle, namely a wedge-shaped counterattack board 24, slag blocks can bounce upwards in an inclined direction after impacting the wedge-shaped counterattack board, and the slag blocks cannot fall down rapidly due to gravity, the counterattack board at the lowest layer is designed into a rectangle, namely a rectangle counterattack board 25, so that the crushed slag blocks can fall into a collecting bin rapidly and have the function of protecting a barrel of a crushing chamber in a wear-resisting manner, a high-pressure cooling air pipe below the crushing chamber blows cooling air into the crushing chamber vertically and upwards at the pressure of 10 ~ 30Kpa and the speed of 50 ~ 100m/s at the same time of crushing, the temperature of the slag blocks is rapidly reduced by the cooling air at the same time of crushing, and the crushed and cooled slag particles slide to the collecting bin from an umbrella plate at the top of the cooling air chamber to enter conveying equipment and are conveyed by the conveying equipment.
Claims (10)
1. The high-temperature solid waste residue block crushing and cooling system is characterized by comprising a garbage incinerator (1), a crushing chamber (2) and a collecting bin (3) from top to bottom, wherein the middle part of the crushing chamber (2) is cylindrical, a vertical shaft (21) is installed at the bottom of the cylinder, a plurality of rows of hammer shafts are installed on the vertical shaft (21), hammers are arranged on the hammer shafts, and can be driven by the vertical shaft (21) to rotate at a high speed, the rotating radius of the hammers is gradually reduced from top to bottom, the weight of the hammers is also gradually reduced from top to bottom, the hammers on the uppermost layer are rectangular hammers (22), the hammers on other lower layers are right-angled trapezoidal hammers (23), right-angled edges of the right-angled trapezoidal hammers (23) are connected with the hammer shafts, the acute-angled angles of the right-angled trapezoidal hammers (23) are gradually reduced from top to bottom, and counterattack; a high-pressure cooling air chamber is arranged at the lower part of the crushing chamber (2), a smooth umbrella plate (31) is arranged at the top of the high-pressure cooling air chamber, a high-pressure cooling air pipe (32) is arranged on the smooth umbrella plate (31), and anti-smashing columns (33) are arranged around the high-pressure cooling air pipe (32); smooth umbrella board (31) sub-unit connection tapered sediment grain collecting bin (3), and be equipped with emergency door (34) on collecting bin (3) lateral wall.
2. the system for breaking and cooling the high-temperature solid waste slag blocks as claimed in claim 1, wherein the acute angle α of the right-angle trapezoidal hammer head (23) is 50 ° ~ 70 °.
3. The high temperature solid waste slag block breaking and cooling system as claimed in claim 1, wherein the counterattack plate comprises a wedge-shaped counterattack plate (24) and a rectangular counterattack plate (25), and the lowermost counterattack plate of the inner wall of the breaking chamber (2) is a rectangular counterattack plate.
4. The system for disintegrating and cooling the high-temperature solid waste slag lump as set forth in claim 3, wherein the angle β between the upper portion of the wedge-shaped reaction plate (24) and the vertical direction is 10 ° ~ 20 °, the angle γ between the lower portion and the vertical direction is 70 ° ~ 80 °, and the angle of projection thereof is 90 °.
5. The system for disintegrating and cooling the high-temperature solid waste slag lump as set forth in claim 4, wherein an angle β between an upper portion of the wedge-shaped reaction plate (24) and a vertical direction is 18 °, and an angle γ between a lower portion thereof and the vertical direction is 72 °.
6. The system for crushing and cooling the high-temperature solid waste slag block as claimed in claim 1, wherein the diameter of the middle cylindrical part of the crushing chamber (2) is 2000mm-2500mm, the height is 2800mm-3200mm, the length of the hammer shaft is 400mm-600mm, the height of the vertical shaft is 1600mm-2500 mm, and the rotating speed N = 600-; the bottom surface of the high-pressure cooling air chamber is 800mm-1200mm in diameter and 300mm-600mm in height.
7. The system for crushing and cooling the high-temperature solid waste slag blocks as claimed in any one of claims 1 to 6, wherein three rows of hammer shafts are mounted on the vertical shaft (21), the hammers on the uppermost layer are rectangular, the hammers on the second and third layers are all right-angled trapezoid hammers (23), the acute angle of the hammers on the second layer is 60 degrees, and the acute angle of the hammers on the third layer is 45 degrees.
8. the system for crushing and cooling the high-temperature solid waste slag block as claimed in any one of claims 1 to 6, wherein the height of the anti-smashing column (33) is higher than that of the high-pressure cooling air pipe (32).
9. The system for crushing and cooling the high-temperature solid waste slag blocks as claimed in any one of claims 1 to 6, wherein the material of the vertical shaft (21) is heat-resistant steel.
10. The system for crushing and cooling the high-temperature solid waste slag blocks as claimed in any one of claims 1 to 6, wherein the material of the hammer head is high manganese steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920360577.1U CN209801492U (en) | 2019-03-21 | 2019-03-21 | Broken cooling system of high temperature solid waste residue piece |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920360577.1U CN209801492U (en) | 2019-03-21 | 2019-03-21 | Broken cooling system of high temperature solid waste residue piece |
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| CN209801492U true CN209801492U (en) | 2019-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780550A (en) * | 2019-03-21 | 2019-05-21 | 北京建筑材料科学研究总院有限公司 | A kind of high temperature solid waste clinker is crushed the method and its system of cooling |
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2019
- 2019-03-21 CN CN201920360577.1U patent/CN209801492U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780550A (en) * | 2019-03-21 | 2019-05-21 | 北京建筑材料科学研究总院有限公司 | A kind of high temperature solid waste clinker is crushed the method and its system of cooling |
| CN109780550B (en) * | 2019-03-21 | 2024-04-02 | 北京建筑材料科学研究总院有限公司 | Method and system for crushing and cooling high-temperature solid waste blocks |
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