CN112742581A - Waste gypsum board recovery system and process - Google Patents
Waste gypsum board recovery system and process Download PDFInfo
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- CN112742581A CN112742581A CN202011589958.0A CN202011589958A CN112742581A CN 112742581 A CN112742581 A CN 112742581A CN 202011589958 A CN202011589958 A CN 202011589958A CN 112742581 A CN112742581 A CN 112742581A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
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Abstract
The invention relates to the technical field of waste gypsum board recovery, in particular to a waste gypsum board recovery system and a waste gypsum board recovery process, wherein the system comprises a base and a third-stage conveying mechanism, a storage bin, a first-stage crushing mechanism, a first-stage conveying mechanism, a first-stage screening mechanism, a second-stage conveying mechanism and a second-stage crushing mechanism which are sequentially connected are arranged on the third-stage conveying mechanism, one outlet of the first-stage screening mechanism corresponds to the conveying of the third-stage conveying mechanism, the outlet of the second-stage crushing mechanism corresponds to the conveying of the third-stage conveying mechanism, the discharge end of the third-stage conveying mechanism is provided with the second-stage screening mechanism, the second-stage conveying mechanism is a spiral auger conveyor, and the axial distance of spiral blades of the second-stage conveying mechanism is gradually reduced in the material advancing direction; the process is a recovery process based on the system. The invention improves the recovery efficiency of the waste gypsum board, greatly reduces the labor amount of workers and reduces the occupied resources and space.
Description
Technical Field
The invention relates to the technical field of waste gypsum board recovery, in particular to a waste gypsum board recovery system and a waste gypsum board recovery process.
Background
Among numerous gypsum board manufacturers in China, the low qualification rate of products is a great problem all the time, the qualification rate of good manufacturers can reach 95% -98%, and some manufacturers can only reach 90%. Therefore, the disposal of the waste gypsum board becomes a great problem. The gypsum board production in the country will reach 4 hundred million m 2 now, if the qualification rate is 95%, the number of the waste gypsum boards will reach 2000 ten thousand m 2, calculated by the thickness of 10mm, and the volume is about 20 ten thousand m 2. If they are discarded, a large area is needed for disposal, but the disposal not only causes environmental pollution, but also causes great waste of resources. In addition, with the rapid expansion of the construction industry, the old gypsum boards are also greatly increased, and the waste of the building garbage also causes environmental pollution and resource waste.
In view of the problem of waste gypsum board treatment, at present, according to the requirements of environmental protection and cost control, various waste gypsum board recovery technologies are formed, and various crushing and screening devices are developed, but because the devices cannot form a large-scale and systematic recovery system, each device relatively independently operates, and the occupied space and manpower resources are more under the condition of low production efficiency, the problems of low recovery efficiency and small treatment capacity exist, and a large burden is indirectly brought to a production enterprise or a recovery enterprise, so that the development of a new waste gypsum board recovery system and the optimization of a recovery process are important subjects in the field of waste gypsum board recovery.
Disclosure of Invention
The invention provides a waste gypsum board recovery system and a waste gypsum board recovery process, which aim to solve the problems of low efficiency and large resource occupation in the prior art.
The waste gypsum board recovery process adopts the following technical scheme:
a waste gypsum board recovery process comprises the following steps: putting the waste gypsum boards into a bin, and guiding the waste gypsum boards into a first-stage crushing mechanism by the bin for pre-crushing to produce first-stage mixed crushed aggregates with large diameter numerical value distribution range; conveying the primary mixed crushed aggregates into a primary screening mechanism through a primary conveying mechanism, screening the received primary mixed crushed aggregates by the primary screening mechanism to obtain secondary mixed crushed aggregates with smaller diameter numerical value distribution range and gypsum powder with diameter meeting the output requirement, and enabling the gypsum powder to fall into a third-stage conveying mechanism; conveying the secondary mixed crushed aggregates to a secondary crushing mechanism through a secondary conveying mechanism for thorough crushing to produce tertiary mixed crushed aggregates with smaller diameter numerical value distribution range, and enabling the tertiary mixed crushed aggregates to fall into a tertiary conveying mechanism; the third-stage conveying mechanism conveys the received third-stage mixed crushed aggregates and gypsum powder to the second-stage screening mechanism for screening, so that gypsum powder and sundries are screened out, and the gypsum powder and the sundries are respectively collected; the crushing mechanism of first order is the double-roll crusher, first order conveying mechanism and second level conveying mechanism are spiral auger conveyor, the crushing mechanism of second level is vertical crusher, third level conveying mechanism is band conveyer, first order screening mechanism and second level screening mechanism are vibration screening machine.
Furthermore, all the conveying among all the mechanisms is carried out dustproof conveying through pipelines.
Furthermore, the processes of throwing the waste gypsum boards into the storage bin and conveying gypsum powder and sundries by the third-stage conveying mechanism are all subjected to dustproof treatment.
Furthermore, the axial distance of the helical blades of the auger of the helical auger conveyor of the second-stage conveying mechanism is gradually reduced in the advancing direction of the materials, so that the crushing capacity is realized in the conveying process of the second-stage conveying mechanism, and the diameter numerical value distribution range of the second-stage mixed crushed materials is further reduced.
Furthermore, in the conveying direction of the third-stage conveying mechanism, the falling point of gypsum powder discharged by the first-stage screening mechanism is in front of the falling point of the third-stage mixed crushed material discharged by the second-stage crushing mechanism.
The waste gypsum board recovery system adopts the following technical scheme:
a waste gypsum board recovery system comprises a base extending left and right, a bracket is arranged on the left side of the base, a third-stage conveying mechanism which is positioned below the bracket and has a conveying direction from left to right is arranged on the base, a bin, a first-stage crushing mechanism, a first-stage conveying mechanism, a first-stage screening mechanism, a second-stage conveying mechanism and a second-stage crushing mechanism which are sequentially connected are distributed on the bracket from right to left, one outlet of the first-stage screening mechanism corresponds to the third-stage conveying mechanism in a conveying manner, the other outlet of the first-stage screening mechanism is connected with the second-stage conveying mechanism in a conveying manner, the outlet of the second-stage crushing mechanism corresponds to the conveying of the third-stage conveying mechanism, the right side of the base is provided with a second-stage screening mechanism connected with the discharge end of the third-stage conveying mechanism, and a receiving groove for receiving gypsum powder is arranged at the position, corresponding to the second screening mechanism, of the base up and down.
The crushing mechanism of first order is the double-roll crusher, first order conveying mechanism and second level conveying mechanism are spiral auger conveyor, the crushing mechanism of second level is vertical crusher, third level conveying mechanism is band conveyer, first order screening mechanism and second level screening mechanism are vibration screening machine.
The axial distance of the helical blades of the helical auger conveyor of the second-stage conveying mechanism is gradually reduced in the advancing direction of the materials.
The feed inlet of feed bin department articulates there is the cang gai that is used for the closing cap feed bin thereby prevents the loss of smoke and dust after throwing into waste gypsum board.
The upper portion of belt conveyor is equipped with the housing that is arranged in preventing that the smoke and dust from producing and the loss in the transportation, the export that corresponds of first order screening mechanism and the export of second level crushing mechanism all with the opening that corresponds the setting on the housing is connected.
Thereby all realize dustproof the transport through the pipe connection between each mechanism.
The invention has the beneficial effects that: 1. according to the invention, the relatively independent operation mode of each device in the prior art is optimized and modified, so that the whole recovery of the waste gypsum board forms a complete systematization scheme, the recovery efficiency of the waste gypsum board is improved, the labor amount of workers is greatly reduced, and the occupied resources and space are reduced.
2. The system greatly reduces occupied ground area by the structural layout of left and right turning back and up and down stacking, and only needs normal routing inspection by workers without manual labor participation in the whole process, thereby reducing production cost, improving production efficiency and enabling the recovery of the waste gypsum boards to be large-scale operation with systematization, production line formation and scale.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 only some 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 block flow diagram of the waste gypsum board recovery process of the present invention;
FIG. 2 is a schematic structural diagram of a waste gypsum board recovery system according to the present invention;
in the figure: 1. the device comprises a base, 11, a support, 2, a receiving groove, 3, a storage bin, 4, a first-stage conveying mechanism, 5, a first-stage screening mechanism, 6, a second-stage conveying mechanism, 7, a second-stage crushing mechanism, 8, a third-stage conveying mechanism, 9 and a second-stage screening mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The process for recovering the waste gypsum board is shown in a flow chart 1, and the process for recovering the waste gypsum board comprises the following steps: putting the waste gypsum boards into a bin, and guiding the waste gypsum boards into a first-stage crushing mechanism by the bin for pre-crushing to produce first-stage mixed crushed aggregates with large diameter numerical value distribution range; conveying the primary mixed crushed aggregates into a primary screening mechanism through a primary conveying mechanism, screening the received primary mixed crushed aggregates by the primary screening mechanism to obtain secondary mixed crushed aggregates with smaller diameter numerical value distribution range and gypsum powder with diameter meeting the output requirement, and enabling the gypsum powder to fall into a third-stage conveying mechanism; conveying the secondary mixed crushed aggregates to a secondary crushing mechanism through a secondary conveying mechanism for thorough crushing to produce tertiary mixed crushed aggregates with smaller diameter numerical value distribution range, and enabling the tertiary mixed crushed aggregates to fall into a tertiary conveying mechanism; and the third-stage conveying mechanism conveys the received three-stage mixed crushed aggregates and gypsum powder to the second-stage screening mechanism for screening, so that the gypsum powder and sundries are screened out, and the gypsum powder and the sundries are respectively collected.
The first-stage crushing mechanism is a double-roller crusher, the first-stage conveying mechanism and the second-stage conveying mechanism are both spiral auger conveyors, the second-stage crushing mechanism is a vertical crusher, the third-stage conveying mechanism is a belt conveyor, and the first-stage screening mechanism and the second-stage screening mechanism are both vibrating screening machines.
Further optimized, the conveying among all the mechanisms is carried out dustproof conveying through pipelines.
Further optimized, the processes of throwing the waste gypsum boards into the storage bin and conveying gypsum powder and sundries by the third-stage conveying mechanism are all subjected to dustproof treatment.
Further optimized, the axial distance of the helical blades of the auger of the helical auger conveyor of the second-stage conveying mechanism is gradually reduced in the advancing direction of the materials, so that the crushing capacity is realized in the conveying process of the second-stage conveying mechanism, and the diameter numerical value distribution range of the second-stage mixed crushed materials is further reduced.
Further optimized, in the conveying direction of the third-stage conveying mechanism, the falling point of gypsum powder discharged by the first-stage screening mechanism is in front, and the falling point of the three-stage mixed crushed material discharged by the second-stage crushing mechanism is behind, so that the gypsum powder is under the upper and the third-stage mixed crushed materials, and screening of the second-stage screening mechanism is facilitated.
The gypsum powder sieved by the first-stage sieving mechanism directly falls on the third-stage conveying mechanism, so that the working pressure of the second-stage conveying mechanism and the second-stage crushing mechanism is reduced, and the energy consumption is reduced.
The process optimizes and reforms the relatively independent operation mode of each device in the prior art, so that the whole recovery of the waste gypsum board forms a complete systematic scheme, the recovery efficiency of the waste gypsum board is improved, the labor amount of workers is greatly reduced, and occupied resources and space are reduced.
The waste gypsum board recovery system comprises a base 1 extending from left to right, a support 11 is arranged on the left side of the base 1, a third-stage conveying mechanism 8 which is positioned below the support 11 and has a conveying direction from left to right is arranged on the base 1, a bin 3, a first-stage crushing mechanism, a first-stage conveying mechanism 4, a first-stage screening mechanism 5, a second-stage conveying mechanism 6 and a second-stage crushing mechanism 7 which are sequentially connected are distributed on the support 11 from right to left, one outlet of the first-stage screening mechanism 5 corresponds to the conveying of the third-stage conveying mechanism, the other outlet of the first-stage screening mechanism 5 is connected with the conveying of the second-stage conveying mechanism 6 in a conveying manner, an outlet of the second-stage crushing mechanism 7 corresponds to the conveying of the third-stage conveying mechanism, a second-stage screening mechanism 9 connected with a discharge end of the third-stage conveying mechanism 8 is arranged on the right side of the base, and a receiving groove 2 for receiving gypsum powder is arranged at the position of the base 1 corresponding to the second screening mechanism up and down. The first-stage crushing mechanism is arranged in a discharge port of the bin 3.
Preferably, first order crushing mechanism is the double-roll crusher, and the double-roll crusher setting is in the discharge gate of feed bin 3, and the discharge gate of feed bin 3 is direct to be connected with first order conveying mechanism's feed inlet, and first order conveying mechanism 4 and second level conveying mechanism 6 are spiral auger conveyor, and second level crushing mechanism 7 is vertical crusher, and third level conveying mechanism 8 is band conveyer, and first order screening mechanism 5 and second level screening mechanism 9 are vibrating screen extension. In other embodiments, other devices with equal or better results may be selected for each mechanism.
Further optimized, the axial distance between the spiral blades of the spiral auger conveyor of the second-stage conveying mechanism 6 is gradually reduced in the material advancing direction, so that the crushing capacity is realized in the conveying process of the second-stage conveying mechanism 6, and the diameter numerical value distribution range of the second-stage mixed crushed materials is further reduced.
Further optimized, the feed inlet of the bin 3 is hinged with a bin cover for covering the bin 3 after the waste gypsum board is put into the bin, so that the smoke and dust can be prevented from escaping.
Further preferably, the upper part of the belt conveyor is provided with a housing for preventing smoke and dust from generating and dissipating during conveying, and the corresponding outlet of the first-stage screening mechanism 5 and the outlet of the second-stage crushing mechanism 7 are connected with an opening correspondingly arranged on the housing.
Further optimize, thereby all realize dustproof the transport through the pipe connection between each mechanism in order to reduce the smoke and dust that produces when each mechanism docks the transported substance material.
When the gypsum board manufacturing device is used specifically, after waste gypsum boards are put into the bin 3, the waste gypsum boards sequentially pass through the first-stage crushing mechanism, the first-stage conveying mechanism 4, the first-stage screening mechanism 5, the second-stage conveying mechanism 6 and the second-stage crushing mechanism 7 to form three-stage mixed crushed materials, the three-stage mixed crushed materials contain gypsum powder and sundries, the gypsum powder sieved out by the three-stage mixed crushed materials and the first-stage screening mechanism 5 all falls on the third-stage conveying mechanism 8, and then the gypsum powder is sent into the second-stage screening mechanism 9 to be secondarily screened, so that the recyclable gypsum powder and the sundries which cannot be reused for manufacturing the gypsum boards are finally obtained. Wherein, the gypsum powder that first order screening mechanism 5 sieved out directly falls on third level conveying mechanism 8, the operating pressure of second level conveying mechanism 6 and the broken mechanism 7 of second level has been alleviateed, energy resource consumption has been reduced, and, a further advantage, after normal operating, the gypsum powder that first order screening mechanism 5 sieved out in this scheme falls in the tertiary mixed crushed aggregates of the broken mechanism 7 output of second level top, compare in the gypsum powder that first order screening mechanism 5 sieved out lie in the tertiary mixed crushed aggregates of the broken mechanism 7 output of second level below, when being carried to second level screening mechanism by third level conveying mechanism, avoided because of the gypsum powder under too much causes the screening movement distance of tertiary mixed crushed aggregates in second level screening mechanism to reduce passively, the second level screening effect of this scheme is better.
The system greatly reduces occupied ground area through the structural layout of turning back left and right and stacking up and down, and the whole process does not need manual labor participation and only needs normal inspection by workers, so that the production cost is reduced, the production efficiency is improved, and the recovery of the waste gypsum boards becomes large-scale operation of systematization, production line formation and scale.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The waste gypsum board recovery process is characterized by comprising the following steps:
putting the waste gypsum boards into a bin, and guiding the waste gypsum boards into a first-stage crushing mechanism by the bin for pre-crushing to produce first-stage mixed crushed aggregates with large diameter numerical value distribution range;
conveying the primary mixed crushed aggregates into a primary screening mechanism through a primary conveying mechanism, screening the received primary mixed crushed aggregates by the primary screening mechanism to obtain secondary mixed crushed aggregates with smaller diameter numerical value distribution range and gypsum powder with diameter meeting the output requirement, and enabling the gypsum powder to fall into a third-stage conveying mechanism;
conveying the secondary mixed crushed aggregates to a secondary crushing mechanism through a secondary conveying mechanism for thorough crushing to produce tertiary mixed crushed aggregates with smaller diameter numerical value distribution range, and enabling the tertiary mixed crushed aggregates to fall into a tertiary conveying mechanism;
and the third-stage conveying mechanism conveys the received three-stage mixed crushed aggregates and gypsum powder to the second-stage screening mechanism for screening, so that the gypsum powder and sundries are screened out, and the gypsum powder and the sundries are respectively collected.
2. The waste gypsum board recovery process according to claim 1, wherein the first-stage crushing mechanism is a double-roller crusher, the first-stage conveying mechanism and the second-stage conveying mechanism are both spiral auger conveyors, the second-stage crushing mechanism is a vertical crusher, the third-stage conveying mechanism is a belt conveyor, and the first-stage screening mechanism and the second-stage screening mechanism are both vibrating screening machines.
3. The waste gypsum board recovery process according to claim 2, wherein the axial distance between the helical blades of the auger of the helical auger conveyor of the second-stage conveying mechanism is gradually reduced in the material advancing direction, so that the secondary conveying mechanism has a crushing capability while conveying, and the diameter numerical value distribution range of the secondary mixed crushed materials is further reduced.
4. The waste gypsum board recovery process according to claim 1, 2 or 3, wherein the conveying among all mechanisms is dustproof through pipelines.
5. The waste gypsum board recovery process according to claim 4, wherein the waste gypsum boards are subjected to dust prevention treatment in the processes of feeding the waste gypsum boards into the bin and conveying gypsum powder and miscellaneous materials by the third-stage conveying mechanism.
6. The waste gypsum board recovery process according to claim 1, wherein the gypsum powder discharged from the first-stage screening mechanism is located at the front and the three-stage mixed crushed material discharged from the second-stage crushing mechanism is located at the rear in the conveying direction of the third-stage conveying mechanism.
7. A waste gypsum board recovery system is characterized by comprising a base extending left and right, wherein a bracket is arranged on the left side of the base, a third-stage conveying mechanism which is positioned below the bracket and has a conveying direction from left to right is arranged on the base, a bin, a first-stage crushing mechanism, a first-stage conveying mechanism, a first-stage screening mechanism, a second-stage conveying mechanism and a second-stage crushing mechanism which are sequentially connected are distributed on the bracket from right to left, one outlet of the first-stage screening mechanism corresponds to the third-stage conveying mechanism in a conveying manner, the other outlet of the first-stage screening mechanism is connected with the second-stage conveying mechanism in a conveying manner, the outlet of the second-stage crushing mechanism corresponds to the conveying of the third-stage conveying mechanism, the right side of the base is provided with a second-stage screening mechanism connected with the discharge end of the third-stage conveying mechanism, a receiving groove for receiving gypsum powder is arranged at the position, corresponding to the upper part and the lower part of the second screening mechanism, of the base; the first-stage crushing mechanism is a double-roller crusher, the first-stage conveying mechanism and the second-stage conveying mechanism are both spiral auger conveyors, the second-stage crushing mechanism is a vertical crusher, the third-stage conveying mechanism is a belt conveyor, and the first-stage screening mechanism and the second-stage screening mechanism are both vibrating screening machines; the axial distance of the helical blades of the helical auger conveyor of the second-stage conveying mechanism is gradually reduced in the advancing direction of the materials.
8. The waste gypsum board recovery system according to claim 7, wherein a bin cover for covering the bin after the waste gypsum boards are put in is hinged at the feed inlet of the bin so as to prevent the smoke from escaping.
9. The waste gypsum board recovery system of claim 7, wherein the upper part of the belt conveyor is provided with a housing for preventing smoke and dust from generating and escaping during conveying, and the corresponding outlet of the first-stage screening mechanism and the outlet of the second-stage crushing mechanism are connected with the corresponding openings on the housing.
10. The waste gypsum board recovery system of claim 7, 8 or 9, wherein all mechanisms are connected through pipelines so as to realize dust-proof conveying.
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| CN202011589958.0A CN112742581A (en) | 2020-12-29 | 2020-12-29 | Waste gypsum board recovery system and process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116116532A (en) * | 2022-11-18 | 2023-05-16 | 北新建材(苏州)有限公司 | Automatic collecting, crushing and conveying system for gypsum board waste |
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Application publication date: 20210504 |