CN210560113U - Multistage crushing and preheating device of cement manufacture raw materials - Google Patents
Multistage crushing and preheating device of cement manufacture raw materials Download PDFInfo
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- CN210560113U CN210560113U CN201921593572.XU CN201921593572U CN210560113U CN 210560113 U CN210560113 U CN 210560113U CN 201921593572 U CN201921593572 U CN 201921593572U CN 210560113 U CN210560113 U CN 210560113U
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Abstract
The utility model particularly relates to a multistage crushing and preheating device of cement production raw materials, 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; the double-roller primary crushing assembly is arranged on the machine body and comprises a feed hopper and two crushing rotating rollers, and the two crushing rotating rollers are arranged in the feed hopper; the machine body is internally provided with a primary preheating assembly, a conical fine crushing assembly and a lifting material conveying assembly from top to bottom in sequence. The utility model discloses cement raw materials for production's multistage crushing and preheating device has improved cement raw materials's percentage of damage, and 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 a cement manufacture raw materials's multistage crushing and preheating device.
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
Not enough to prior art, the utility model aims to provide a cement manufacture raw materials's multistage crushing and preheating device to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the present invention provides the following technical solutions:
a multi-stage crushing and preheating device for cement production raw materials 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 of the grate cooler waste heat conveying pipe is arranged on the machine body; the double-roller primary crushing assembly is arranged on the machine body and comprises a feed hopper and two crushing rotating rollers, and the two crushing rotating rollers are arranged in the feed 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 arranged 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 preheating hopper; the conical fine crushing assembly comprises a central conical inner mill and an outer mill shell, wherein a conical frustum-shaped space with a small upper part and a large lower part is arranged in the center of the outer mill shell, and the central conical inner mill is arranged in the conical frustum-shaped space; defeated material subassembly of promotion formula is responsible for including defeated material casing body, the defeated material track of promotion formula, waste heat transport is responsible for and installs inside the defeated material track of promotion formula, waste heat transport is responsible for one end and is connected at the cold quick-witted waste heat transport pipe other end of comb, defeated material casing body inside preheats with the annular and admits air and is responsible for and realize the intercommunication through the bypass pipe that admits air between the person in charge.
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 fine cone crushing assembly further comprises a fine material discharging hopper and an inclined annular truncated cone-shaped baffle, the fine material discharging hopper is arranged below the central cone-shaped inner mill and the outer mill shell, the inclined annular truncated cone-shaped baffle is clamped at an upper opening of a conical truncated cone-shaped space of the outer mill shell, and the central cone-shaped inner mill rotates through a motor.
Preferably, a plurality of mutually staggered raised grains and grooves are arranged on the inner wall of the outer grinding shell of the conical frustum-shaped space and on the outer wall of the central conical inner grinding shell, a central conical inner grinding fixing support is arranged in the machine body, and the central conical inner grinding is arranged on the central conical inner grinding fixing support.
Preferably, the other end of the waste heat conveying main pipe is arranged in a closed mode, a plurality of hot air spray heads are arranged on the waste heat conveying main pipe, the hot air spray heads are arranged in a mode of vertically facing an upper crawler belt of the lifting type conveying crawler belt, and a high-temperature powder conveying device is arranged at the tail end of the lifting type conveying crawler belt.
Preferably, be provided with hot-blast transition transfer fan on the bypass pipe of admitting air, bypass pipe one end of admitting air sets up on the annular preheats the main pipe of admitting air, and the other end is provided with hot-blast recovery hopper, hot-blast recovery hopper installs inside the defeated material casing body at the defeated material track end of lift-type.
Preferably, a preheating discharge port is arranged below the preheating hopper, and the lower end of the preheating discharge port is arranged above the conical table-shaped space of the outer grinding shell.
Preferably, be provided with the meticulous material export under the fine material hopper, the lower extreme setting of the defeated material track of lift formula is in the meticulous material export below of the inside bottom of organism, the upper end of the defeated material track of lift formula stretches out in the organism outside, defeated material track outside is failed to the lift formula that defeated material casing installation was outside the organism.
The beneficial effects of the utility model reside in that:
the utility model discloses multistage crushing and preheating device of cement manufacture raw materials, through set gradually the preliminary broken subassembly of two rollers, preliminary preheating subassembly, the meticulous broken subassembly of circular cone formula, the defeated material subassembly of lift-type on the organism and in the organism, utilize the preliminary broken subassembly of two rollers, the meticulous broken subassembly of circular cone formula to carry out many times breakage to cement raw materials, improve the breakage rate of cement raw materials, crushing efficiency is high, crushing effect is good; utilize the cold quick-witted waste heat of comb to carry out the high efficiency through the defeated material subassembly of promotion formula earlier and preheat cement fine powder material, the abandonment waste heat of utilizing the defeated material subassembly in-process of promotion formula carries out first waste heat to the broken cement macroaggregate or the cubic material through the preliminary broken subassembly of two rollers through preliminary preheating the subassembly, 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, the cold quick-witted waste heat utilization ratio of comb is high, and is good in. The utility model discloses cement raw materials for production's multistage crushing and preheating device has improved cement raw materials's percentage of damage, and 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 discloses the schematic structure.
Detailed Description
The following description of the embodiments of the present invention is made with reference to fig. 1:
as shown in figure 1, the multistage crushing and preheating device for cement production raw materials comprises a machine body base 1, a machine body 2 and a grate cooler waste heat conveying pipe 3, wherein the machine body 2 is installed 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 installed on the machine body 2. The machine body 2 is provided with a double-roller primary crushing assembly 4, and a primary preheating assembly 5, a conical fine crushing assembly 6 and a lifting material conveying assembly 7 are sequentially arranged in the machine body 2 from top to bottom.
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 air 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 air 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 provided with a plurality of layers and is arranged above the preheating hopper 52, 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, 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 thereof is arranged in the arched bin top 54; the exhaust pipe 55 is provided with an exhaust fan 551 and a dust removing device 552.
The conical fine crushing assembly 6 comprises a central conical inner mill 61, an outer mill shell 62, a fine material discharging hopper 63 and an inclined annular truncated cone-shaped baffle plate 64, wherein a conical truncated cone-shaped space with a small upper part and a large lower part is arranged in the center of the outer mill shell 62, and the central conical inner mill 61 is arranged in the conical truncated cone-shaped space; a plurality of mutually staggered convex grains and grooves are arranged on the inner wall of the outer mill shell 62 and the outer wall of the central conical inner mill 61 in the conical frustum-shaped space, a central conical inner mill fixing support 21 is arranged in the machine body 2, and the central conical inner mill 61 is arranged on the central conical inner mill fixing support 21; the fine material discharge hopper 63 is provided below the central conical inner mill 61 and the outer mill housing 62, the inclined annular truncated cone-shaped baffle 64 is a funnel-shaped baffle, the inclined annular truncated cone-shaped baffle 64 is engaged with the upper opening of the conical truncated cone-shaped space of the outer mill housing 62, and the central conical inner mill 61 is rotated by a motor. A preheating discharge outlet 521 is arranged below the preheating hopper 52, and the lower end of the preheating discharge outlet 521 is arranged above the conical table-shaped space of the outer grinding shell 62. The large particles or the block materials coming out of the preheating hopper 52 are blocked by the inclined annular truncated cone-shaped baffle plate 64 to enter a gap between the central conical inner mill 61 and the outer mill shell 62, and the gap between the central conical inner mill 61 and the outer mill shell 62 is large in upper part and small in lower part, and is highly crushed by the rotary milling of the central conical inner mill 61 and the outer mill shell 62.
The lifting type material conveying assembly 7 comprises a material conveying shell 71, a lifting type material conveying crawler 72 and a waste heat conveying main pipe 73, wherein the waste heat conveying main pipe 73 is arranged inside the lifting type material conveying crawler 72, one end of the waste heat conveying main pipe 73 is connected to the other end of the waste heat conveying pipe 3 of the grate cooler, and the other end of the waste heat conveying main pipe 73 is arranged in a sealing mode; the main waste heat conveying pipe 73 is provided with a plurality of hot air spray nozzles 731, and the hot air spray nozzles 731 are arranged in a manner of vertically facing the upper crawler belt of the lifting type conveying crawler belt 72.
The inside of the material conveyor shell 71 is communicated with the annular preheating air inlet main pipe 51 through an air inlet bypass pipe 8; the air inlet bypass pipe 8 is provided with a hot air transition transfer fan 82, one end of the air inlet bypass pipe 8 is arranged on the annular preheating air inlet main pipe 51, the other end of the air inlet bypass pipe 8 is provided with a hot air recovery hopper 81, and the hot air recovery hopper 81 is arranged inside the material conveyor shell 71 at the tail end of the lifting type material conveying crawler 72. The tail end of the lifting type material conveying crawler 72 is provided with a high-temperature powder conveying device 9.
The utility model discloses multistage crushing and preheating device of cement manufacture raw materials, through set gradually two preliminary broken subassemblies 4 of roller, preliminary preheating subassembly 5, conical meticulous crushing subassembly 6, promotion formula defeated material subassembly 7 on organism 2 and in organism 2, utilize two preliminary broken subassemblies 4 of roller, conical meticulous crushing subassembly 6 to carry out many times to cement raw materials and break, improve the breakage rate of cement raw materials, crushing efficiency is high, crushing effect is good; utilize the cold quick-witted waste heat of comb to carry out the high efficiency through promotion formula defeated material subassembly 7 to cement fine powder material earlier and preheat, utilize the abandonment waste heat of the defeated material subassembly 7 in-process of promotion formula to carry out first waste heat through preliminary preheating subassembly 5 to the broken cement macroaggregate or the cubic material through two rollers preliminary broken subassembly 4, 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, the cold quick-witted waste heat utilization ratio of comb is high, and is good in effect, the. The utility model discloses cement raw materials for production's multistage crushing and preheating device has improved cement raw materials's percentage of damage, and 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 multistage crushing and preheating device for the cement production raw materials 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 assembly (4) is arranged on the machine body (2), the double-roller primary crushing assembly (4) comprises a feed hopper (41) and two crushing rotating rollers (42), and the two crushing rotating rollers (42) are arranged inside the feed hopper (41); the machine body (2) is internally and sequentially provided with a primary preheating assembly (5), a conical fine crushing assembly (6) and a lifting type material conveying assembly (7) from top to bottom, 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 air 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 conical fine crushing assembly (6) comprises a central conical inner mill (61) and an outer mill shell (62), wherein a conical frustum-shaped space with a small upper part and a large lower part is arranged in the center of the outer mill shell (62), and the central conical inner mill (61) is arranged in the conical frustum-shaped space; defeated material subassembly of promotion formula (7) is responsible for (73) including defeated material casing (71), defeated material track of promotion formula (72), waste heat transport is responsible for (73) and installs inside defeated material track of promotion formula (72), waste heat transport is responsible for (73) one end and is connected at the cold quick-witted waste heat transport pipe (3) other end of comb, defeated material casing (71) inside and annular preheat and admit air and be responsible for between (51) realize the intercommunication through inlet bypass pipe (8).
2. The multi-stage crushing and preheating device for cement production raw materials according to claim 1, wherein the double-roller primary crushing assembly (4) further comprises a primary crushing discharge hopper (43), the primary preheating assembly (5) further comprises an arched roof (54) and a waste gas pipe (55), the arched roof (54) is mounted at the top end of the machine body (2), and the waste gas pipe (55) is communicated with the arched roof (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 multistage grinding and preheating device for cement production raw materials according to claim 1, wherein the preheating material placing plate (53) is provided with a plurality of layers, a material placing plate discharge port and a plurality of vent holes are arranged on the preheating material placing plate (53), and the opening and closing of the material placing plate discharge port are controlled by a motor.
4. The multistage pulverizing and preheating apparatus for cement production raw material according to claim 2, wherein the exhaust gas pipe (55) is provided with an exhaust gas fan (551) and a dust removing device (552).
5. The multistage grinding and preheating device for cement production raw materials according to claim 1, wherein the cone type fine crushing assembly (6) further comprises a fine material discharge hopper (63) and an inclined annular truncated cone-shaped baffle plate (64), the fine material discharge hopper (63) is arranged below the central cone type inner mill (61) and the outer mill shell (62), the inclined annular truncated cone-shaped baffle plate (64) is clamped at an upper opening of a conical truncated cone-shaped space of the outer mill shell (62), and the central cone type inner mill (61) rotates through a motor.
6. The multistage pulverizing and preheating device of cement production raw materials according to claim 1, characterized in that the inner wall of the outer mill housing (62) of the conical frustum-shaped space and the outer wall of the central conical inner mill (61) are both provided with a plurality of mutually staggered raised grains and grooves, a central conical inner mill fixing support (21) is arranged in the machine body (2), and the central conical inner mill (61) is installed on the central conical inner mill fixing support (21).
7. The multi-stage crushing and preheating device for cement production raw materials according to claim 1, wherein the other end of the main waste heat delivery pipe (73) is sealed, a plurality of hot air nozzles (731) are arranged on the main waste heat delivery pipe (73), the hot air nozzles (731) are arranged in a manner of being vertically opposite to the upper crawler belt of the lifting type material delivery crawler belt (72), and the tail end of the lifting type material delivery crawler belt (72) is provided with a high-temperature powder conveying device (9).
8. The multistage pulverizing and preheating device for cement production raw materials according to claim 1, wherein the air inlet bypass pipe (8) is provided with a hot air transition transfer fan (82), one end of the air inlet bypass pipe (8) is arranged on the annular preheating air inlet main pipe (51), the other end is provided with a hot air recovery hopper (81), and the hot air recovery hopper (81) is arranged inside a material conveyer shell (71) at the tail end of the lifting type material conveyer crawler (72).
9. The multistage pulverizing and preheating apparatus for cement production raw materials according to claim 1, wherein a preheating discharge outlet (521) is provided below the preheating hopper (52), and the lower end of the preheating discharge outlet (521) is provided above the conical table-shaped space of the outer mill housing (62).
10. The multistage crushing and preheating device for cement production raw materials according to claim 5, characterized in that a fine material outlet (631) is arranged below the fine material discharging hopper (63), the lower end of the lifting type material conveying crawler (72) is arranged below the fine material outlet (631) at the bottom end inside the machine body (2), the upper end of the lifting type material conveying crawler (72) extends out of the machine body (2), and the material conveying machine shell (71) is arranged outside the lifting type material conveying crawler (72) outside the machine body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921593572.XU CN210560113U (en) | 2019-09-24 | 2019-09-24 | Multistage crushing and preheating device of cement manufacture raw materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921593572.XU CN210560113U (en) | 2019-09-24 | 2019-09-24 | Multistage crushing and preheating device of cement manufacture raw materials |
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| Publication Number | Publication Date |
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| CN210560113U true CN210560113U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921593572.XU Active CN210560113U (en) | 2019-09-24 | 2019-09-24 | Multistage crushing and preheating device of cement manufacture raw materials |
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| CN (1) | CN210560113U (en) |
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