CN215465099U

CN215465099U - Crushing and drying machine is with hierarchical ejection of compact system

Info

Publication number: CN215465099U
Application number: CN202120915635.XU
Authority: CN
Inventors: 施兵; 宋春勇; 冒洋洋; 艾闯; 宋文华
Original assignee: Jiangsu Pioneer Environmental Material Co ltd
Current assignee: Jiangsu Pioneer Environmental Material Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-01-11
Anticipated expiration: 2031-04-29

Abstract

The utility model relates to a grading discharge system for a crushing dryer, wherein the crushing dryer comprises a crushing mechanism, a drying mechanism, a grading mechanism, a feeding mechanism and a discharging mechanism, the discharging mechanism comprises a discharging bent pipe, a horizontal discharging pipe and a negative pressure fan, a second grading mechanism is arranged between the discharging bent pipe and the horizontal discharging pipe and comprises a second grading barrel, two sides of the second grading barrel are respectively connected with the discharging bent pipe and the horizontal discharging pipe through flanges, a horizontally arranged second classifier is arranged in the second grading barrel, and the second classifier is driven by a second grading motor arranged outside the second grading barrel to rotate; and a second screening material pipe is also arranged between the second grading cylinder and the grading cylinder. The utility model has the advantages that: according to the structure, the purpose of purification can be achieved only by adding the second grading mechanism between the discharge bent pipe and the horizontal discharge pipe, the structure is convenient to improve, and the improvement cost is low.

Description

Crushing and drying machine is with hierarchical ejection of compact system

Technical Field

The utility model relates to the field of material crushing and drying, in particular to a grading discharge system for a crushing and drying machine.

Background

At present, in many occasions, the granularity of materials has certain requirements, the materials with relatively large granularity need to be crushed and then dried to obtain the materials with the required granularity, and the process needs to use a crusher, a dryer and a classifier or a powder sieving machine to respectively complete different process requirements, which inevitably causes the defects of long process flow, more equipment, large floor area, more energy consumption, long working time and high cost, and sometimes the quality of products is difficult to ensure.

In view of the above phenomenon, CN95239883.4 discloses a powerful pulverizing dryer, which comprises a pulverizing mechanism including a pulverizing shaft, a bearing, a pulverizing disk, a hammer shaft, a pulverizing hammer and a pulverizing barrel, a drying mechanism including an air inlet and an air suction opening, a classifying mechanism including a classifying barrel, a classifier, a classifying shaft, a bearing and a blade, and a feeding mechanism including a double-screw conveyor, wherein the classifying mechanism is arranged at the upper part of the pulverizing mechanism, and the classifying shaft and the pulverizing shaft are on the same axis; the feeding mechanism is arranged at the side parts of the grading mechanism and the crushing mechanism, and the discharge port of the double-screw conveyor is arranged on the wall between the crushing cylinder and the grading cylinder; the drying mechanism penetrates through the crushing mechanism and the grading mechanism, the air inlet is formed in the wall of the crushing barrel below the crushing disc, the sieve plate is further arranged between the air inlet and the crushing disc, the air suction opening is formed above the classifier, and the outer edge of the upper end of the classifier is provided with the flow guide ring.

In the above-mentioned equipment, when it carries out the ejection of compact, the material that has been hit the bits of broken glass moves upwards under the hot gas flow effect that blows at a high speed, and the classifier begins high-speed rotation simultaneously, produces a strand of outside decurrent gyration air current, and the material that rises along with the hot gas flow is influenced by gyration air current, and great material particle falls down along the hierarchical section of thick bamboo inner wall, and is hit the bits of broken glass again and forms the material of tiny granule, and the material of tiny granule is then through the clearance of classifier blade, gets into in the bend, and is sent out from the suction outlet.

However, in the process of using, plant personnel find that the purity of the materials obtained by using the above-mentioned equipment can not meet some high-requirement customers, for example, the normal product is about 450 meshes, and the requirement of the customer is 800 meshes and 1000 meshes, after the above-mentioned equipment is used for pulverization, the material content of about 1000 in the product is only about 80%, and the material content of about 5% in the remaining product is less than 450 meshes, and can not meet the high requirement of the customer, and if a new equipment is purchased, the cost is increased greatly. It is therefore desirable to provide a solution that can be retrofitted onto existing mill dryers to meet the high demands of the customers, while at the same time being inexpensive to retrofit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grading discharging system for a crushing dryer, which has the advantages of good sorting effect, convenient modification and low cost.

In order to solve the technical problems, the technical scheme of the utility model is as follows: a classification discharging system for a crushing dryer comprises a crushing mechanism, a drying mechanism, a classification mechanism, a feeding mechanism and a discharging mechanism, wherein the crushing mechanism comprises a crushing shaft, a bearing, a crushing disc, a hammer shaft, a crushing hammer and a crushing barrel, the drying mechanism comprises an air inlet and an air suction opening, the classification mechanism comprises a classification barrel, a classifier, a classification shaft, a bearing and blades, the feeding mechanism comprises a double-screw conveyor, the discharging mechanism comprises a discharging bent pipe, a horizontal discharging pipe and a negative pressure fan, the classification mechanism is arranged at the upper part of the crushing mechanism, the classification shaft and the crushing shaft are on the same axis, the feeding mechanism is arranged at the side parts of the classification mechanism and the crushing mechanism, a discharging opening of the double-screw conveyor is arranged on the barrel wall between the crushing barrel and the classification barrel, the drying mechanism penetrates through the crushing mechanism and the classification mechanism, and the air inlet is arranged on the barrel wall of the crushing barrel below the crushing disc, still be equipped with the sieve between air intake and the crushing dish, the bottom side of ejection of compact return bend is connected on a hierarchical section of thick bamboo to the setting is in the top of classificator, and the upper end outer fringe of classificator is equipped with the water conservancy diversion circle, and horizontal discharging pipe horizontal connection is at the opposite side of ejection of compact return bend, and negative-pressure air fan connects the opposite side at horizontal discharging pipe, and its innovation point lies in:

a second grading mechanism is further arranged between the discharge bent pipe and the horizontal discharge pipe, the second grading mechanism comprises a second grading barrel, two sides of the second grading barrel are respectively connected with the discharge bent pipe and the horizontal discharge pipe through flanges, a horizontally arranged second classifier is installed in the second grading barrel, and the second classifier is driven by a second grading motor installed outside the second grading barrel to rotate;

a second screening material pipe is further arranged between the second grading cylinder and the grading cylinder, the top end of the second screening material pipe is communicated with the second grading cylinder, the bottom end of the second screening material pipe is communicated with the side end of the grading cylinder, and a flashboard is further arranged at the connecting position of the second screening material pipe and the grading cylinder.

Further, the driving cooperation between the second classifier and the second classification motor is as follows: the second classifier includes the second cone, is connected with left flange, right flange respectively in the both sides of second cone, has a plurality of second blades at the outer wall connection of second cone, and the internal planes of second blade are tangent with the conical surface of second cone, one side that the second cone was kept away from to right flange is connected with the second cone axle that a level set up, still overlaps in the outside of second cone axle and is equipped with the second sleeve, leave the clearance between second sleeve and the second cone axle, and still be provided with the bearing between second cone axle and the second sleeve, the second sleeve is fixed in the second classifier, and the outside at the second classifier is fixed to the second classifier motor, the second classifier motor passes through the belt pulley and links to each other with second cone axle with the cooperation of belt to it is rotatory to drive second cone axle, thereby realizes the rotation of second classifier.

Furthermore, in the junction of the second screening material pipe and the second classifying barrel, one side of the junction close to the discharging elbow is located between the end part of one side of the second classifier close to the discharging elbow and the discharging elbow, and one side of the junction close to the horizontal discharging pipe is located in the middle of the second classifier.

The utility model has the advantages that: according to the utility model, the second grading mechanism is additionally arranged between the discharge elbow and the horizontal discharge pipe, so that the materials subjected to primary screening by the grading mechanism are subjected to secondary screening, and a second classifier which is horizontally arranged is matched to generate a rotary airflow towards the discharge elbow and downwards, so that large-particle materials can be better screened out, the purity of the product is improved, and the high requirements of customers are met; according to the structure, the purpose of purification can be achieved only by adding the second grading mechanism between the discharge bent pipe and the horizontal discharge pipe, the structure is convenient to improve, and the improvement cost is low.

In addition, through the cooperation of second screening material pipe and gate to the material after will sieving for the second time is saved to throw into the hierarchical section of thick bamboo regularly and reprocess, realize the circulation processing of material, avoid the material accumulation in the second grader, and influence subsequent processing.

To the setting of the junction of second screening material pipe and second hierarchical section of thick bamboo, design through the position to the both sides of junction to in the material after making things convenient for the secondary screening can fall into second screening material pipe, avoid the accumulation in second hierarchical section of thick bamboo, then influence subsequent processing.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of a classification discharging system for a crushing dryer according to the present invention.

Detailed Description

The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.

As shown in fig. 1, the crushing dryer includes a crushing mechanism, a drying mechanism, a classifying mechanism, a feeding mechanism, and a discharging mechanism.

The crushing mechanism comprises a crushing shaft 1, a bearing 2, a crushing disc 3, a hammer shaft 4, a crushing hammer 5 and a crushing barrel 6, the drying mechanism comprises an air inlet 7 and an air suction opening 8, the grading mechanism comprises a grading barrel 9, a classifier 10, a grading shaft 11, a bearing 12 and blades 13, the feeding mechanism comprises a double-screw conveyor 14, the discharging mechanism comprises a discharge elbow 15, a horizontal discharge pipe 16 and a negative-pressure fan, the grading mechanism is arranged at the upper part of the crushing mechanism, the grading shaft 11 and the crushing shaft 1 are on the same axis, the feeding mechanism is arranged at the side parts of the grading mechanism and the crushing mechanism, a discharge port of the double-screw conveyor 14 is arranged on the barrel wall between the crushing barrel 6 and the grading barrel 9, the drying mechanism penetrates through the crushing mechanism and the grading mechanism, the air inlet 7 is arranged on the barrel wall of the crushing barrel 6 below the crushing disc 3, a sieve plate 17 is further arranged between the air inlet 7 and the crushing disc 6, the bottom side of the discharge elbow 15 is connected with the grading cylinder 9 and is arranged above the classifier 10, the outer edge of the upper end of the classifier 10 is provided with a guide ring, the horizontal discharge pipe 16 is horizontally connected with the other side of the discharge elbow 15, and the negative pressure fan is connected with the other side of the horizontal discharge pipe 16. In this embodiment, the specific structure of the pulverizing dryer is the same as that of the powerful pulverizing dryer in patent CN95239883.4, which is not the improvement point to be explained in the present invention, and therefore, the detailed description thereof is omitted in this embodiment.

A second grading mechanism is further arranged between the discharge elbow 15 and the horizontal discharge pipe 16 and comprises a second grading barrel 21, two sides of the second grading barrel 21 are respectively connected with the discharge elbow 15 and the horizontal discharge pipe 16 through flanges, a horizontally arranged second classifier 22 is installed in the second grading barrel 21, and the second classifier 22 is driven to rotate by a second grading motor 23 installed outside the second grading barrel 21.

The driving cooperation between the second classifier 22 and the second classification motor 23 is: the second classifier 22 comprises a second cone, a left flange and a right flange are respectively connected with two sides of the second cone, a plurality of second blades 24 are connected with the outer wall of the second cone, the inner plane of the second blades 24 is tangent with the conical surface of the second cone, a second cone shaft 25 horizontally arranged is connected with one side of the right flange far away from the second cone, a second sleeve 26 is further sleeved on the outer side of the second cone shaft 25, a gap is reserved between the second sleeve 26 and the second cone shaft 25, a bearing 27 is further arranged between the second cone shaft 25 and the second sleeve 26, the outer wall of the second sleeve 25 is fixed in the second classifying cylinder 21 through a plurality of fixing rods 28, two sides of the fixing rods 28 are respectively welded and fixed with the outer wall of the second sleeve 25 and the inner wall of the second classifying cylinder 21, the second classifying motor 23 is fixed on the outer side of the second classifying cylinder 21, the second classifying motor 23 is connected with the second cone shaft 25 through the matching of a belt pulley and a belt, and rotates the second cone shaft 25, thereby effecting rotation of the second classifier 22. The structure of the second classifier 22 in the present invention is the same as that of the classifier 10, and is not described in detail in this patent.

A second screening material pipe 29 is further arranged between the second grading cylinder 21 and the grading cylinder 9, the top end of the second screening material pipe 29 is communicated with the second grading cylinder 21 through a flange, the bottom end of the second screening material pipe 29 is communicated with the side end of the grading cylinder 9 through a flange, and a gate plate 30 is further arranged at the connection position of the second screening material pipe 29 and the grading cylinder 9. Through the cooperation of second screening material pipe 29 and gate 30 to the material after will sieving for the second time is saved to throw into regularly and reprocess in hierarchical section of thick bamboo 9, realize the circulation processing of material, avoid the material accumulation in the second grader, and influence subsequent processing.

In the junction between the second screen material pipe 29 and the second classifying cylinder 21, the side of the junction close to the discharge elbow 15 is located between the end of the second classifier 22 close to the discharge elbow 15 and the discharge elbow 15, and the side of the junction close to the horizontal discharge pipe 16 is located in the middle of the second classifier 22. To the setting of the junction of second screening material pipe 29 and second hierarchical section of thick bamboo 21, design through the position to the both sides of junction to make things convenient for the material after the secondary screening can fall into second screening material pipe 29 in, avoid the accumulation in second hierarchical section of thick bamboo 21, then influence subsequent processing.

The working principle is as follows: the material after the primary screening through the grading mechanism enters the discharging elbow 15, and flows to the second grading cylinder 21 from the discharging elbow 15 under the action of negative pressure, at this time, the second grading motor 23 also starts to work, so as to drive the second grader 22 to rotate, and along with the rotation of the second grader 22, a revolving airflow towards the direction of the discharging elbow 15 and the downward direction can be generated, so as to perform secondary screening on the material after the primary screening, so that the material after the primary screening of larger particles contained in the material falls into the second screening material pipe 29, at this time, the gate plate 30 is in a closing stage, namely, the material can be temporarily stored in the second screening material pipe 29, and the material of small particles in the material can enter the horizontal discharging pipe 16 from the gap of the second blades 24 of the second grader 22, and is sent to a subsequent process.

According to the grading discharge system for the crushing dryer, the second grading mechanism is additionally arranged between the discharge elbow and the horizontal discharge pipe, so that materials subjected to primary screening by the grading mechanism are screened for the second time, and a second grader which is horizontally arranged is matched to generate a rotary airflow towards the discharge elbow and downwards, large-particle materials can be better screened out, the purity of products is improved, and the high requirements of customers are met; according to the structure, the purpose of purification can be achieved only by adding the second grading mechanism between the discharge bent pipe and the horizontal discharge pipe, the structure is convenient to improve, and the improvement cost is low.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A classification discharging system for a crushing dryer comprises a crushing mechanism, a drying mechanism, a classification mechanism, a feeding mechanism and a discharging mechanism, wherein the crushing mechanism comprises a crushing shaft, a bearing, a crushing disc, a hammer shaft, a crushing hammer and a crushing barrel, the drying mechanism comprises an air inlet and an air suction opening, the classification mechanism comprises a classification barrel, a classifier, a classification shaft, a bearing and blades, the feeding mechanism comprises a double-screw conveyor, the discharging mechanism comprises a discharging bent pipe, a horizontal discharging pipe and a negative pressure fan, the classification mechanism is arranged at the upper part of the crushing mechanism, the classification shaft and the crushing shaft are on the same axis, the feeding mechanism is arranged at the side parts of the classification mechanism and the crushing mechanism, a discharging opening of the double-screw conveyor is arranged on the barrel wall between the crushing barrel and the classification barrel, the drying mechanism penetrates through the crushing mechanism and the classification mechanism, and the air inlet is arranged on the barrel wall of the crushing barrel below the crushing disc, still be equipped with the sieve between air intake and the crushing dish, the bottom side of ejection of compact return bend is connected on a hierarchical section of thick bamboo to the setting is in the top of classificator, and the upper end outer fringe of classificator is equipped with the water conservancy diversion circle, and horizontal discharging pipe horizontal connection is at the opposite side of ejection of compact return bend, and negative-pressure air fan connects the opposite side at horizontal discharging pipe, its characterized in that: a second grading mechanism is further arranged between the discharge bent pipe and the horizontal discharge pipe, the second grading mechanism comprises a second grading barrel, two sides of the second grading barrel are respectively connected with the discharge bent pipe and the horizontal discharge pipe through flanges, a horizontally arranged second classifier is installed in the second grading barrel, and the second classifier is driven by a second grading motor installed outside the second grading barrel to rotate; a second screening material pipe is further arranged between the second grading cylinder and the grading cylinder, the top end of the second screening material pipe is communicated with the second grading cylinder, the bottom end of the second screening material pipe is communicated with the side end of the grading cylinder, and a flashboard is further arranged at the connecting position of the second screening material pipe and the grading cylinder.

2. The classification discharging system for the crushing dryer according to claim 1, characterized in that: the driving matching between the second classifier and the second classification motor is as follows: the second classifier includes the second cone, is connected with left flange, right flange respectively in the both sides of second cone, has a plurality of second blades at the outer wall connection of second cone, and the internal planes of second blade are tangent with the conical surface of second cone, one side that the second cone was kept away from to right flange is connected with the second cone axle that a level set up, still overlaps in the outside of second cone axle and is equipped with the second sleeve, leave the clearance between second sleeve and the second cone axle, and still be provided with the bearing between second cone axle and the second sleeve, the second sleeve is fixed in the second classifier, and the outside at the second classifier is fixed to the second classifier motor, the second classifier motor passes through the belt pulley and links to each other with second cone axle with the cooperation of belt to it is rotatory to drive second cone axle, thereby realizes the rotation of second classifier.

3. The classification discharging system for the crushing dryer according to claim 1, characterized in that: in the junction of the second screening material pipe and the second classifying barrel, one side of the junction close to the discharge elbow is positioned between the end part of one side of the second classifier close to the discharge elbow and the discharge elbow, and one side of the junction close to the horizontal discharge pipe is positioned in the middle of the second classifier.