CN210570042U - Cement raw material crushing device for preheating by using waste heat of grate cooler - Google Patents
Cement raw material crushing device for preheating by using waste heat of grate cooler Download PDFInfo
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- CN210570042U CN210570042U CN201921594097.8U CN201921594097U CN210570042U CN 210570042 U CN210570042 U CN 210570042U CN 201921594097 U CN201921594097 U CN 201921594097U CN 210570042 U CN210570042 U CN 210570042U
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- grate cooler
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Abstract
The utility model particularly relates to a cement raw material crushing device for preheating by using waste heat of a grate cooler, which comprises a machine body base, a machine body and a grate cooler waste heat conveying pipe, wherein the machine body is arranged on the machine body base, one end of the grate cooler waste heat conveying pipe is connected with a grate cooler waste heat recovery device, and the other end is arranged on the machine body; the double-roller primary crushing assembly is arranged on the machine body, and a primary preheating assembly, a blade type fine crushing assembly, a secondary preheating assembly, a fine material discharging hopper and a material conveying device are sequentially arranged in the machine body from top to bottom. The utility model discloses utilize cold quick-witted waste heat of comb to carry out the cement raw materials breaker who preheats, improved cement raw materials's percentage of damage, crushing efficiency is high, and crushing effect is good, and is high to the recycle ratio of cold quick-witted waste gas of comb, and is with low costs, and economic benefits is good, high-efficient environmental protection, safe and reliable.
Description
Technical Field
The utility model belongs to the technical field of cement manufacture, specifically be an utilize cold quick-witted waste heat of comb to carry out cement raw materials breaker who preheats.
Background
With the development of building technology, cement also becomes an indispensable raw material in the building industry. The grate cooler is an important main machine device in a clinker firing system of a cement plant, has the main functions of cooling and conveying cement clinker, simultaneously provides hot air for a rotary kiln, a decomposing furnace and the like, and is a main device for heat recovery of the firing system. The grate cooler is a quenching cooler, clinker enters the grate cooler from a rotary kiln, a material layer with a certain thickness is laid on a grate plate, cold air is blown in to penetrate through the material layer moving on the grate bed in the mutually perpendicular direction to quench the clinker, the clinker can be quenched from 1300-1400 ℃ to below 100 ℃ within a few minutes, and the waste heat of high-heat gas formed after the cold air and the clinker are subjected to heat exchange is recycled, so that the quenching cooler is an important research subject in the technical field of cement production at present.
At present, in the prior art, in order to utilize the waste heat of the exhaust gas of the grate cooler, a recovery power generation mode is generally adopted, but the defects of low waste heat recovery utilization rate and low benefit generally exist in the prior art for recovering and utilizing the waste heat of the exhaust gas of the grate cooler; the dust content in the waste gas of the grate cooler is high, the treatment of the dust in the waste gas of the grate cooler is troublesome, and the cost is increased by a large amount; if the waste gas of the grate cooler cannot be fully recycled and discharged into the atmosphere, resource waste and environmental pollution are caused. Simultaneously, current cement breaker has a lot, including jaw crusher, cone crusher, counterattack breaker etc. but all contain crushing function, and utilize the waste heat of the cold machine of combing to carry out recycle and be used for the cement raw materials breaker who preheats, does not basically in the market, so research and development a cement raw materials breaker who utilizes the waste heat of the cold machine of combing to preheat is very necessary, and then realizes the recycle to the cold machine waste gas of combing, improves economic benefits.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model aims to provide an utilize cold quick-witted waste heat of comb to carry out the cement raw materials breaker who preheats to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the present invention provides the following technical solutions:
a cement raw material crushing device utilizing waste heat of a grate cooler for preheating comprises a machine body base, a machine body and grate cooler waste heat pipes, wherein the machine body is installed on the machine body base, one end of a grate cooler waste heat conveying pipe is connected with a grate cooler waste heat recovery device, and the other end of the grate cooler waste heat conveying pipe is installed on the machine body; the double-roller primary crushing device comprises a machine body, and is characterized in that a double-roller primary crushing assembly is arranged on the machine body, a primary preheating assembly, a blade type fine crushing assembly, a secondary preheating assembly, a fine material discharging hopper and a conveying device are sequentially arranged in the machine body from top to bottom, the double-roller primary crushing assembly comprises a feeding hopper and two crushing rotating rollers, the two crushing rotating rollers are installed inside the feeding hopper, the primary preheating assembly comprises an annular preheating air inlet main pipe, a preheating hopper and a preheating material placing plate, the annular preheating air inlet main pipe is installed on the outer wall of the preheating hopper and is communicated with the preheating hopper through a plurality of preheating branch pipes, and the preheating material placing plate is arranged above; the blade type fine crushing assembly comprises a vertical rotating roller, a plurality of rotating blades and a scraper, wherein the rotating blades are arranged on the outer wall of the vertical rotating roller, and the scraper is arranged below the vertical rotating roller; the secondary preheating assembly comprises an inclined vibrating screen and a horizontal vibrating screen, and the inclined vibrating screen is arranged above the horizontal vibrating screen; the other end of the grate cooler waste heat conveying pipe is arranged on the machine body between the horizontal vibrating screen and the fine material discharging hopper and is communicated with the inside of the machine body; an air inlet bypass pipe is arranged on the annular preheating air inlet main pipe, one end of the air inlet bypass pipe is communicated with the annular preheating air inlet main pipe, and the other end of the air inlet bypass pipe is arranged above the inclined vibrating screen.
Preferably, the double-roller primary crushing assembly further comprises a primary crushing discharge hopper, the primary preheating assembly further comprises an arched bin roof and an exhaust gas pipe, the arched bin roof is installed at the top end of the machine body, and the exhaust gas pipe is communicated with the arched bin roof; the upper end of the primary crushing discharge hopper is arranged at the lower side of the feed hopper, and the lower end of the primary crushing discharge hopper is arranged in the top of the arched bin.
Preferably, the preheating material placing plate is provided with a plurality of layers, a material placing plate discharging port and a plurality of vent holes are formed in the preheating material placing plate, and the material placing plate discharging port is controlled to be opened and closed through a motor.
Preferably, an exhaust gas fan and a dust removal device are arranged on the exhaust gas pipe.
Preferably, the vertical roller is provided with two, and the rotating blades on two vertical roller outer walls are arranged alternately at intervals, the fine blade crushing assembly further comprises a fine crushing hopper, the fine crushing hopper is installed below the vertical roller, a vertical roller fixing support and a fine crushing bin bottom plate are arranged in the machine body, the upper end of the vertical roller is fixed on the vertical roller fixing support and is controlled to rotate through a vertical roller motor, the fine crushing bin bottom plate is installed on the inner wall of the machine body below the scraper, and the fine crushing hopper is installed on the lower side of the fine crushing bin bottom plate.
Preferably, a plurality of crushing auxiliary protrusion devices are arranged on the inner wall of the machine body between the vertical roller fixing support and the fine crushing bin bottom plate, a plurality of intensive fine material discharge holes are formed in the fine crushing bin bottom plate, and an arc-shaped inclined annular material baffle plate is arranged at the joint of the fine crushing bin bottom plate and the inner wall of the machine body.
Preferably, a hot air transition transfer fan is arranged on the air inlet bypass pipe, a hot air recovery hopper is arranged at the other end of the air inlet bypass pipe, and the hot air recovery hopper is arranged inside the machine body between the inclined vibrating screen and the fine crushing hopper.
Preferably, a coarse material discharge port is formed in the machine body on the lower side of one end of the inclined vibrating screen, and the inclined vibrating screen and the horizontal vibrating screen are controlled to vibrate through a vibrating motor respectively.
Preferably, the outer wall of the machine body is provided with an annular grate cooler waste heat air inlet main pipe, the annular grate cooler waste heat air inlet main pipe is provided with a plurality of air inlet branch pipes, one end of each air inlet branch pipe is communicated with the annular grate cooler waste heat air inlet main pipe, and the other end of each air inlet branch pipe is communicated with the inside of the machine body between the horizontal vibrating screen and the fine material discharging hopper.
Preferably, be provided with the meticulous material export under the fine material goes out the hopper, the material transporting device is the defeated material machine of track promotion formula, the material transporting device lower extreme sets up in meticulous material export below.
The beneficial effects of the utility model reside in that:
the utility model discloses utilize the cement raw materials breaker that cold quick-witted waste heat of combing preheats, through set gradually two roller preliminary crushing subassembly, preliminary preheating subassembly, the meticulous crushing subassembly of vane type, secondary preheating subassembly, meticulous material play hopper, the material transporting device on the organism and in the organism, utilize two roller preliminary crushing subassembly, the meticulous crushing subassembly of vane type to carry out a lot of breakage to cement raw materials, improve the breakage rate of cement raw materials, crushing efficiency is high, crushing effect is good; utilize cold quick-witted waste heat of comb to carry out the high efficiency through the secondary subassembly of preheating to cement fine powder material earlier and preheat, the abandonment waste heat of utilizing the secondary to preheat the in-process carries out first waste heat through preliminary subassembly of preheating to the broken cement macroaggregate or the cubic material through the preliminary broken subassembly of two rollers, the make full use of waste heat has been realized, the preliminary settlement of the dust in the waste heat waste gas has also been realized through cement macroaggregate or cubic material, the dust particle content in the cold quick-witted waste heat waste gas of comb has been reduced, the burden of dust separation of enterprise has been alleviateed, realize the environmental protection requirement, cold quick-witted waste heat utilization ratio of comb is high, and the effect is good. The utility model discloses utilize cold quick-witted waste heat of comb to carry out the cement raw materials breaker who preheats, improved cement raw materials's percentage of damage, crushing efficiency is high, and crushing effect is good, and is high to the recycle ratio of cold quick-witted waste gas of comb, and is with low costs, and economic benefits is good, high-efficient environmental protection, safe and reliable.
Drawings
FIG. 1: the utility model has a schematic structure;
FIG. 2: the structure of A in FIG. 1 is schematically shown.
Detailed Description
The following description of the embodiments of the present invention is made with reference to the accompanying drawings 1-2:
as shown in the figure 1-2, the cement raw material crushing device for preheating by using the waste heat of the grate cooler comprises a machine body base 1, a machine body 2 and a grate cooler waste heat pipe 3, wherein the machine body 2 is arranged on the machine body base 1, one end of the grate cooler waste heat conveying pipe 3 is connected with a grate cooler waste heat recovery device, and the other end of the grate cooler waste heat conveying pipe is arranged on the machine body 2. Be provided with the preliminary broken subassembly 4 of two rollers on the organism 2, from the top down has set gradually in the organism 2 and has preheated subassembly 5, the meticulous broken subassembly 6 of blade type, secondary preheating unit 7, meticulous material play hopper 8, material transporting device 9, is provided with the fine material export 81 under the meticulous material play hopper 8, and material transporting device 9 is the track lift conveyor, and the setting of material transporting device 9 lower extreme is in fine material export 81 below.
The double-roller primary crushing assembly 4 comprises a feed hopper 41, two crushing rotating rollers 42 and a primary crushing discharge hopper 43, wherein the two crushing rotating rollers 42 are arranged inside the feed hopper 41. The primary preheating assembly 5 comprises an annular preheating inlet main pipe 51, a preheating hopper 52, a preheating material placing plate 53, an arched bin top 54 and an exhaust gas pipe 55, wherein the annular preheating inlet main pipe 51 is installed on the outer wall of the preheating hopper 52 and is communicated with the preheating hopper 52 through a plurality of preheating branch pipes, the preheating material placing plate 53 is arranged above the preheating hopper 52, the preheating material placing plate 53 is provided with a plurality of layers, a material placing plate discharge hole and a plurality of vent holes are formed in the preheating material placing plate 53, and the material placing plate discharge hole is controlled to be opened and closed through a motor; the arched bin top 54 is arranged at the top end of the machine body 2, the upper end of the primary crushing discharge hopper 43 is arranged at the lower side of the feed hopper 41, and the lower end of the primary crushing discharge hopper is arranged in the arched bin top 54; the waste gas pipe 55 is communicated with the arched bin top 54, and a waste gas fan 551 and a dust removing device 552 are arranged on the waste gas pipe 55.
Be provided with vertical roller fixed bolster 22, meticulous broken storehouse bottom plate 24 in the organism 2, be provided with a plurality of broken auxiliary bulge device 23 on 2 inner walls of organism between vertical roller fixed bolster 22 and the meticulous broken storehouse bottom plate 24, be provided with a plurality of intensive thin material discharge openings on the meticulous broken storehouse bottom plate 24, meticulous broken storehouse bottom plate 24 is provided with the cyclic annular striker plate 25 of arc slope with 2 inner wall junction of organism. The blade type fine crushing assembly 6 comprises a vertical rotary roller 61, a plurality of rotary blades 62, a scraper 63 and a fine crushing hopper 64, wherein the rotary blades 62 are arranged on the outer wall of the vertical rotary roller 61, and the scraper 63 is arranged below the vertical rotary roller 61; the vertical rotating roller 61 is provided with two, the rotating blades 62 on the outer wall of the two vertical rotating rollers 61 are arranged at intervals in a crossed manner, the fine crushing hopper 64 is arranged below the vertical rotating roller 61, the upper end of the vertical rotating roller 61 is fixed on the vertical rotating roller fixing support 22 and is controlled to rotate through the vertical rotating roller motor 65, the fine crushing bin bottom plate 24 is arranged on the inner wall of the machine body 2 below the scraper 63, and the fine crushing hopper 64 is arranged at the lower side of the fine crushing bin bottom plate 24.
The secondary preheating assembly 7 comprises an inclined vibrating screen 71 and a horizontal vibrating screen 72, the inclined vibrating screen 71 is arranged above the horizontal vibrating screen 72, a coarse material discharge port 21 is formed in the machine body 2 on the lower side of one end, lower than the inclined vibrating screen 71, of the inclined vibrating screen 71, and the horizontal vibrating screen 72 is controlled to vibrate through a vibrating motor.
An air inlet bypass pipe 511 is arranged on the annular preheating air inlet main pipe 51, one end of the air inlet bypass pipe 511 is communicated with the annular preheating air inlet main pipe 51, and the other end of the air inlet bypass pipe 511 is arranged above the inclined vibrating screen 71; the air inlet bypass pipe 511 is provided with a hot air transition transfer fan 512, the other end of the air inlet bypass pipe 511 is provided with a hot air recovery hopper 513, and the hot air recovery hopper 513 is arranged inside the machine body 2 between the inclined vibrating screen 71 and the fine crushing hopper 64.
One end of the waste heat conveying pipe 3 of the grate cooler is connected with a waste heat recovery device of the grate cooler, and the other end of the waste heat conveying pipe is arranged on the machine body 2 between the horizontal vibrating screen 72 and the fine material discharging hopper 8 and communicated with the inside of the machine body 2; the outer wall of the machine body 2 is provided with an annular grate cooler waste heat air inlet main pipe 31, the annular grate cooler waste heat air inlet main pipe 31 is provided with a plurality of air inlet branch pipes, one ends of the air inlet branch pipes are communicated with the annular grate cooler waste heat air inlet main pipe 31, and the other ends of the air inlet branch pipes are communicated with the machine body 2 between the horizontal vibrating screen 72 and the fine material discharging hopper 8.
The utility model discloses utilize cold quick-witted waste heat of comb to carry out the cement raw materials breaker who preheats, improved cement raw materials's percentage of damage, crushing efficiency is high, and crushing effect is good, and is high to the recycle ratio of cold quick-witted waste gas of comb, and is with low costs, and economic benefits is good, high-efficient environmental protection, safe and reliable.
The above description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the method and the technical solution of the present invention are not substantially improved or directly applied to other occasions without improvement, and are all within the protection scope of the present invention.
Claims (10)
1. The cement raw material crushing device for preheating by using the waste heat of the grate cooler is characterized by comprising a machine body base (1), a machine body (2) and a grate cooler waste heat conveying pipe (3), wherein the machine body (2) is arranged on the machine body base (1), one end of the grate cooler waste heat conveying pipe (3) is connected with a grate cooler waste heat recovery device, and the other end of the grate cooler waste heat conveying pipe is arranged on the machine body (2); a double-roller primary crushing component (4) is arranged on the machine body (2), a primary preheating component (5), a blade type fine crushing component (6), a secondary preheating component (7), a fine material discharging hopper (8) and a material conveying device (9) are sequentially arranged in the machine body (2) from top to bottom, the double-roller primary crushing assembly (4) comprises a feed hopper (41) and two crushing rotating rollers (42), the two crushing rotating rollers (42) are arranged in the feed hopper (41), the primary preheating assembly (5) comprises an annular preheating air inlet main pipe (51), a preheating hopper (52) and a preheating material placing plate (53), the annular preheating inlet main pipe (51) is arranged on the outer wall of the preheating hopper (52) and is communicated with the preheating hopper (52) through a plurality of preheating branch pipes, and the preheating material placing plate (53) is arranged above the preheating hopper (52); the blade type fine crushing assembly (6) comprises a vertical rotating roller (61), a plurality of rotating blades (62) and a scraper (63), wherein the rotating blades (62) are arranged on the outer wall of the vertical rotating roller (61), and the scraper (63) is arranged below the vertical rotating roller (61); the secondary preheating assembly (7) comprises an inclined vibrating screen (71) and a horizontal vibrating screen (72), and the inclined vibrating screen (71) is arranged above the horizontal vibrating screen (72); the other end of the grate cooler waste heat conveying pipe (3) is arranged on the machine body (2) between the horizontal vibrating screen (72) and the fine material discharging hopper (8) and communicated with the inside of the machine body (2); an air inlet bypass pipe (511) is arranged on the annular preheating air inlet main pipe (51), one end of the air inlet bypass pipe (511) is communicated with the annular preheating air inlet main pipe (51), and the other end of the air inlet bypass pipe (511) is arranged above the inclined vibrating screen (71).
2. The cement raw material crushing device utilizing the waste heat of the grate cooler for preheating according to the claim 1, characterized in that the double-roller primary crushing assembly (4) further comprises a primary crushing discharge hopper (43), the primary preheating assembly (5) further comprises an arched bin top (54) and an exhaust gas pipe (55), the arched bin top (54) is installed at the top end of the machine body (2), and the exhaust gas pipe (55) is communicated with the arched bin top (54); the upper end of the primary crushing discharge hopper (43) is arranged at the lower side of the feed hopper (41), and the lower end of the primary crushing discharge hopper is arranged in the arched bin top (54).
3. The cement raw material crushing device utilizing the waste heat of the grate cooler for preheating according to the claim 1, characterized in that the preheating material placing plate (53) is provided with a plurality of layers, the preheating material placing plate (53) is provided with a material placing plate discharge port and a plurality of vent holes, and the opening and closing of the material placing plate discharge port are controlled by a motor.
4. The cement raw material crushing device preheated by the waste heat of the grate cooler as recited in claim 2, characterized in that the exhaust gas pipe (55) is provided with an exhaust gas fan (551) and a dust removing device (552).
5. The cement raw material crushing device utilizing the waste heat of the grate cooler for preheating according to the claim 1, it is characterized in that the two vertical rotating rollers (61) are arranged, the rotating blades (62) on the outer walls of the two vertical rotating rollers (61) are arranged in a crossed way at intervals, the vane type fine crushing assembly (6) also comprises a fine crushing hopper (64), the fine crushing hopper (64) is arranged below the vertical rotary roller (61), a vertical rotary roller fixing bracket (22) and a fine crushing bin bottom plate (24) are arranged in the machine body (2), the upper end of the vertical roller (61) is fixed on the vertical roller fixing bracket (22) and is controlled to rotate by a vertical roller motor (65), the fine crushing bin bottom plate (24) is arranged on the inner wall of the machine body (2) below the scraper (63), the fine crushing hopper (64) is arranged on the lower side of the fine crushing bin bottom plate (24).
6. The cement raw material crushing device utilizing the waste heat of the grate cooler for preheating according to claim 5, wherein a plurality of crushing auxiliary protrusion devices (23) are arranged on the inner wall of the machine body (2) between the vertical rotary roller fixing support (22) and the fine crushing bin bottom plate (24), a plurality of dense fine material discharge holes are formed in the fine crushing bin bottom plate (24), and an arc-shaped inclined annular baffle plate (25) is arranged at the joint of the fine crushing bin bottom plate (24) and the inner wall of the machine body (2).
7. The cement raw material crushing device utilizing the waste heat of the grate cooler for preheating according to the claim 5 is characterized in that a hot air transition transfer fan (512) is arranged on the air inlet bypass pipe (511), a hot air recovery hopper (513) is arranged at the other end of the air inlet bypass pipe (511), and the hot air recovery hopper (513) is arranged inside the machine body (2) between the inclined vibrating screen (71) and the fine crushing hopper (64).
8. The cement raw material crushing device utilizing the waste heat of the grate cooler for preheating according to the claim 1, characterized in that a coarse material outlet (21) is arranged on the machine body (2) at the lower side of one end of the inclined vibrating screen (71), and the inclined vibrating screen (71) and the horizontal vibrating screen (72) are respectively controlled to vibrate through a vibrating motor.
9. The cement raw material crushing device utilizing the waste heat of the grate cooler for preheating according to the claim 1 is characterized in that an annular grate cooler waste heat air inlet main pipe (31) is arranged on the outer wall of the machine body (2), a plurality of air inlet branch pipes are arranged on the annular grate cooler waste heat air inlet main pipe (31), one ends of the air inlet branch pipes are communicated with the annular grate cooler waste heat air inlet main pipe (31), and the other ends of the air inlet branch pipes are communicated with the space between the horizontal vibrating screen (72) and the fine material discharging hopper (8) in the machine body (2).
10. The cement raw material crushing device utilizing the waste heat of the grate cooler for preheating according to the claim 1, characterized in that a fine material outlet (81) is arranged below the fine material discharging hopper (8), the material conveying device (9) is a crawler belt lifting type material conveying machine, and the lower end of the material conveying device (9) is arranged below the fine material outlet (81).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921594097.8U CN210570042U (en) | 2019-09-24 | 2019-09-24 | Cement raw material crushing device for preheating by using waste heat of grate cooler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921594097.8U CN210570042U (en) | 2019-09-24 | 2019-09-24 | Cement raw material crushing device for preheating by using waste heat of grate cooler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295704A (en) * | 2020-09-29 | 2021-02-02 | 王麦玲 | Concrete recycling reducing mechanism |
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2019
- 2019-09-24 CN CN201921594097.8U patent/CN210570042U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295704A (en) * | 2020-09-29 | 2021-02-02 | 王麦玲 | Concrete recycling reducing mechanism |
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