CN210357491U - Fertilizer crushing and screening system - Google Patents

Fertilizer crushing and screening system Download PDF

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Publication number
CN210357491U
CN210357491U CN201921136967.7U CN201921136967U CN210357491U CN 210357491 U CN210357491 U CN 210357491U CN 201921136967 U CN201921136967 U CN 201921136967U CN 210357491 U CN210357491 U CN 210357491U
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CN
China
Prior art keywords
knocking
dust
discharging
lifting machine
flood dragon
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201921136967.7U
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Chinese (zh)
Inventor
杨德涛
徐东升
于文慧
张汉超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG SANFANG CHEMICAL INDUSTRY GROUP CO LTD
Original Assignee
SHANDONG SANFANG CHEMICAL INDUSTRY GROUP CO LTD
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Application filed by SHANDONG SANFANG CHEMICAL INDUSTRY GROUP CO LTD filed Critical SHANDONG SANFANG CHEMICAL INDUSTRY GROUP CO LTD
Priority to CN201921136967.7U priority Critical patent/CN210357491U/en
Application granted granted Critical
Publication of CN210357491U publication Critical patent/CN210357491U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a screening system is smashed to fertilizer, including the feeding storehouse, the flood dragon is carried in the frequency conversion, the lifting machine, rubbing crusher, rotating sieve and dust recovery system, the discharge end of feeding storehouse is connected with the feed end that the flood dragon was carried in the frequency conversion, the discharge end that the flood dragon was carried in the frequency conversion is connected with the feed end of lifting machine through first pipeline, rubbing crusher and rotating sieve from the top down set gradually on a first support, the discharge end of lifting machine is connected with the feed end of rubbing crusher through second pipeline, the discharge end of rubbing crusher is connected with the feed end that rotates the sieve through third pipeline, dust recovery system includes automatic blowback dust collector, the fan that gathers dust and the feed back flood dragon. Utilize rubbing crusher and rotating sieve can realize smashing and screening of raw materials in step, simultaneously, utilize the feed back flood dragon can send the large granule material of screening out back to in the lifting machine, realized then the closed cycle of smashing and screening of large granule material, alleviateed workman intensity of labour greatly, improved work efficiency.

Description

Fertilizer crushing and screening system
Technical Field
The utility model relates to a screening system is smashed to fertilizer.
Background
Various raw materials are commonly used in compound fertilizer production, including urea, monoammonium phosphate, potassium sulfate, potassium chloride etc., but some compound fertilizer products require to be higher to raw materials granularity, the raw materials that need the granularity thinner can satisfy the production demand, however, this part of raw materials is because the granule is great, or, easily harden because of long-term storage, lead to it can't directly satisfy the production demand, in prior art, for satisfying the production demand, need smash screening process to this part of fertilizer, but, compound fertilizer manufacturing enterprise does not have one set of complete efficient and smashes screening system at present, can't satisfy current production demand, and, at present, it does not possess complete dust recovery unit to smash screening plant, cause the pollution of certain degree to workman operational environment, influence staff healthy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fertilizer is smashed and is sieved system utilizes rubbing crusher and rotating sieve can realize smashing and sieving of raw materials in step, simultaneously, utilizes the flood dragon of returning the material can send the large granule material of sieving out back to the lifting machine in, has realized then the closed cycle of smashing and sieving of large granule material, has alleviateed workman intensity of labour greatly, has improved work efficiency.
The utility model provides a technical scheme that its technical problem adopted is: the fertilizer crushing and screening system comprises a feeding bin, a variable-frequency conveying flood dragon, a lifting machine, a crusher, a rotating screen and a dust recovery system, wherein the discharging end of the feeding bin is connected with the feeding end of the variable-frequency conveying flood dragon, the discharging end of the variable-frequency conveying flood dragon is connected with the feeding end of the lifting machine through a first conveying pipeline, the crusher and the rotating screen are sequentially arranged on a first support from top to bottom, the discharging end of the lifting machine is connected with the feeding end of the crusher through a second conveying pipeline, the discharging end of the crusher is connected with the feeding end of the rotating screen through a third conveying pipeline, two fine material discharging hoppers are arranged below the rotating screen, a coarse material discharging hopper is arranged below the outer side of the discharging end of the rotating screen, a sealing cover is arranged on the first support, and the third conveying pipeline, the rotating screen and the rotating screen are connected with the feeding end of the rotating screen, The upper portion of fine material hopper and the upper portion of coarse material hopper all are located the sealed cowling, the discharging pipe of fine material hopper and the discharging pipe of coarse material hopper all are located the sealed cowling outside, dust recovery system includes automatic blowback dust collector, dust collection fan and returning charge flood dragon, automatic blowback dust collector sets up on a second support, the air inlet of automatic blowback dust collector through first dust collection pipe with the upper portion of lifting machine link up mutually, the gas outlet of automatic blowback dust collector is connected with dust collection fan through second dust collection pipe, the returning charge flood dragon sets up on first support and the second support, the discharging pipe of coarse material hopper and the discharge end of automatic blowback dust collector all are connected with the returning charge flood dragon, the discharge end of returning charge flood dragon is connected with the lifting machine through fourth pipeline.
Preferably, rotating sieve top sets up a knocking device, knocking device sets up on first support and is located the sealed cowling, knocking device is including strikeing the axis of rotation be provided with on the axis of rotation a plurality ofly with strike the articulated hammer of knocking of axis of rotation, through the rotation of strikeing the axis of rotation, can realize the hammer intermittent type of beating to rotating sieve.
Furthermore, the hammer head of the knocking hammer is a spherical hammer head, and a layer of rubber pad is arranged outside the spherical hammer head.
Furthermore, the sealing cover is communicated with the first dust collecting pipe through a third dust collecting pipe.
The utility model has the advantages that: the utility model has simple structure and reasonable design; through reasonably distributing the positions of the crusher and the rotary screen, the crushing and screening of the raw materials can be synchronously carried out, so that the treatment efficiency of the raw materials is improved; furthermore, in the screening process, the screening efficiency of the rotary screen can be improved through the beating action of the beating hammer on the rotary screen, so that the production efficiency of qualified raw materials is improved; utilize dust recovery system, not only realized the recovery of raw materials dust and recycled, simultaneously, the dust is retrieved the back, but greatly reduced dust is to operational environment's pollution to do benefit to the operational environment who improves the staff.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some of the preferred embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the relative distribution of the rapping device and the rotating screen;
FIG. 3 is an enlarged view taken at A in FIG. 2;
in the figure: 1 feeding bin, 2 frequency conversion conveying dragon, 3 lifting machines, 4 crushing machines, 5 rotating sieves, 51 fine material discharging hoppers, 511 fine material discharging hoppers discharging pipes, 52 coarse material discharging hoppers, 53 first supports, 531 sealing covers, 6 automatic back blowing dust collectors, 61 second supports, 7 dust collecting fans, 8 material returning dragon, 9 knocking rotating shafts, 91 knocking hammers, 911 spherical hammers, 912 rubber pads, 101 first conveying pipelines, 102 second conveying pipelines, 103 third conveying pipelines, 104 fourth conveying pipelines, 201 first dust collecting pipes, 202 second dust collecting pipes, 203 third dust collecting pipes and 301 ground.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following specific embodiments and accompanying drawings 1 to 3, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar variations without departing from the spirit of the invention, and therefore the invention is not limited by the specific embodiments disclosed below.
The utility model provides a fertilizer crushing and screening system (as shown in figure 1), which comprises a feeding bin 1, a variable frequency conveying dragon 2, a lifting machine 3, a crusher 4, a rotating screen 5 and a dust recovery system, wherein the variable frequency conveying dragon 2, the lifting machine 3, the crusher 4 and the rotating screen 5 are all common equipment in the field, so that the working principle and the specific structure of the variable frequency conveying dragon 2, the lifting machine 3, the crusher 4 and the rotating screen 5 are not described in detail; the discharge end of the feed bin 1 is connected with the feed end of a variable-frequency conveying dragon 2, the discharge end of the variable-frequency conveying dragon 2 is connected with the feed end of the elevator 3 through a first conveying pipeline 101, the crusher 4 and the rotary screen 5 are sequentially arranged on a first support 53 from top to bottom, the discharge end of the elevator 3 is connected with the feed end of the crusher 4 through a second conveying pipeline 102, the discharge end of the crusher 4 is connected with the feed end of the rotary screen 5 through a third conveying pipeline 103, in practical application, after a worker pours raw materials into the feed bin 1, the raw materials sequentially pass through the variable-frequency conveying dragon 2 and the elevator 3 and enter the crusher 4, the raw materials crushed by the crusher 4 enter the rotary screen 5 for screening, two fine material discharge hoppers 51 are arranged below the rotary screen 5, and a coarse material discharge hopper 52 is arranged below the outer side of the discharge end of the rotary screen 5, a sealing cover 531 is arranged on the first support 53, the upper parts of the third conveying pipeline 103, the rotary screen 5, the fine material discharging hopper 51 and the coarse material discharging hopper 52 are all positioned in the sealing cover 531, the discharging pipe 511 of the fine material discharging hopper and the discharging pipe of the coarse material discharging hopper are all positioned outside the sealing cover 531, the dust recovery system comprises an automatic reverse blowing dust collector 6, a dust collecting fan 7 and a material returning flood dragon 8, the automatic reverse blowing dust collector 6, the dust collecting fan 7 and the material returning flood dragon 8 are all common equipment in the field, so detailed description of the detailed structure and the working principle of the dust recovery system is not needed, the automatic reverse blowing dust collector 6 is arranged on a second support 61, the air inlet of the automatic reverse blowing dust collector 6 is communicated with the upper part of the elevator 3 through a first dust collecting pipe 201, the air outlet of the automatic reverse blowing dust collector 6 is connected with the dust collecting fan 7 through a second dust collecting pipe 202, the material return flood dragon 8 is arranged on the first support 53 and the second support 61, the discharge pipe of the coarse material discharge hopper 52 and the discharge end of the automatic back-blowing dust collector 6 are both connected with the material return flood dragon 8, the discharge end of the material return flood dragon 8 is connected with the elevator 3 through a fourth conveying pipeline 104, in the practical application process, the dust generated in the working process of the elevator 3, the crusher 4 and the rotary screen 5 is collected in the automatic back-blowing dust collector 6 under the action of the dust collecting fan 7, the dust collected in the automatic back-blowing dust collector 6 falls into the material return flood dragon 8, the dust can be sent into the elevator 3 through the conveying of the material return flood dragon 8, so that the raw material dust is recycled, in the dust collecting process, the back-blowing fan on the automatic back-blowing dust collector 6 can be opened at regular time, the self-cleaning of a filter bag in the automatic back-blowing dust collector 6 is realized, so as to ensure the long-term dust filtering capacity of the automatic back-flushing dust collector 6.
In order to reduce the anti-blocking phenomenon of the sieve pores during the sieving process of the rotary sieve 5 and thus to improve the sieving efficiency, in the present embodiment, a knocking device is disposed above the rotary sieve 5, the knocking device is disposed on the first bracket 53 and located in the sealing cover 531, the knocking device includes a knocking rotary shaft 9, a plurality of knocking hammers 91 are disposed on the knocking rotary shaft 9 and hinged to the knocking rotary shaft 9, the intermittent knocking of the knocking hammers 91 on the rotary sieve 5 is realized by the rotation of the knocking rotary shaft 9, during the rotation of the rotary sieve 5, the removal of the blocked material in the sieve pores is realized by the continuous knocking of the knocking hammers 91, so that the rotary sieve 5 maintains high permeability, during the knocking of the knocking hammers 91, in order to reduce the damage degree of the knocking hammers 91 on the rotary sieve 5, here, the hammer head of the striking hammer 91 is designed as a spherical hammer head 911, and a rubber pad 912 is included outside the spherical hammer head 911. In order to improve the dust collection effect, the sealing cover 531 is communicated with the first dust collection pipe 201 through the third dust collection pipe 203, so that the dust collection fan 7 collects the dust in the sealing cover 531.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
The above description is provided for the preferred embodiments and examples of the present invention with reference to the accompanying drawings, but the present invention is not limited to the above embodiments and examples, and it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit of the present invention, and these modifications and variations should be construed as the protection scope of the present invention.

Claims (4)

1. A fertilizer crushing and screening system comprises a feeding bin, a variable-frequency conveying dragon, a lifting machine, a crusher and a rotating screen, wherein the discharging end of the feeding bin is connected with the feeding end of the variable-frequency conveying dragon, the discharging end of the variable-frequency conveying dragon is connected with the feeding end of the lifting machine through a first conveying pipeline, the crusher and the rotating screen are sequentially arranged on a first support from top to bottom, the discharging end of the lifting machine is connected with the feeding end of the crusher through a second conveying pipeline, the discharging end of the crusher is connected with the feeding end of the rotating screen through a third conveying pipeline, two fine material discharging hoppers are arranged below the rotating screen, a coarse material discharging hopper is arranged below the outer side of the discharging end of the rotating screen, a sealing cover is arranged on the first support, the upper portions of the third conveying pipeline, the rotating screen, the fine material discharging hoppers and the upper portions of the coarse material discharging hoppers are all located in the sealing cover, the discharging pipe of fine material hopper and the discharging pipe of coarse material hopper all are located the sealed cowling outside, characterized by, and this screening system still includes dust recovery system, dust recovery system includes automatic blowback dust collector, dust collection fan and feed back flood dragon, automatic blowback dust collector sets up on a second support, the air inlet of automatic blowback dust collector through first dust collecting pipe with the upper portion of lifting machine link up mutually, the gas outlet of automatic blowback dust collector is connected with dust collection fan through second dust collecting pipe, the feed back flood dragon sets up on first support and the second support, the discharging pipe of coarse material hopper and the discharge end of automatic blowback dust collector all are connected with the feed back flood dragon, the discharge end of feed back flood dragon is connected with the lifting machine through fourth pipeline.
2. The fertilizer crushing and screening system as claimed in claim 1, wherein a knocking device is arranged above the rotating screen, the knocking device is arranged on the first support and located in the sealing cover, the knocking device comprises a knocking rotating shaft, a plurality of knocking hammers hinged with the knocking rotating shaft are arranged on the knocking rotating shaft, and intermittent knocking of the rotating screen by the knocking hammers can be achieved through rotation of the knocking rotating shaft.
3. The fertilizer crushing and screening system of claim 2, wherein the hammering head of the knocking hammer is a spherical hammering head, and a rubber pad is arranged outside the spherical hammering head.
4. The fertilizer crushing and screening system of claim 3, wherein the sealing cover is communicated with the first dust collecting pipe through a third dust collecting pipe.
CN201921136967.7U 2019-07-18 2019-07-18 Fertilizer crushing and screening system Expired - Fee Related CN210357491U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921136967.7U CN210357491U (en) 2019-07-18 2019-07-18 Fertilizer crushing and screening system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921136967.7U CN210357491U (en) 2019-07-18 2019-07-18 Fertilizer crushing and screening system

Publications (1)

Publication Number Publication Date
CN210357491U true CN210357491U (en) 2020-04-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921136967.7U Expired - Fee Related CN210357491U (en) 2019-07-18 2019-07-18 Fertilizer crushing and screening system

Country Status (1)

Country Link
CN (1) CN210357491U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114210540A (en) * 2021-12-14 2022-03-22 汨罗市鑫祥碳素制品有限公司 Crushing and grading screening device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114210540A (en) * 2021-12-14 2022-03-22 汨罗市鑫祥碳素制品有限公司 Crushing and grading screening device

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Granted publication date: 20200421