CN215198267U - Multi-wind-source air supply super energy-saving coal dry separation system - Google Patents

Multi-wind-source air supply super energy-saving coal dry separation system Download PDF

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CN215198267U
CN215198267U CN202120647228.5U CN202120647228U CN215198267U CN 215198267 U CN215198267 U CN 215198267U CN 202120647228 U CN202120647228 U CN 202120647228U CN 215198267 U CN215198267 U CN 215198267U
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air
separation
bed
main
intelligent
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李功民
刘晋冀
赵跃民
陈建强
夏云凯
段晨龙
戴林
周恩会
李姗
李磊
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Tangshan Shenzhou Machinery Group Co ltd
China University of Mining and Technology CUMT
CHN Energy Group Xinjiang Energy Co Ltd
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Tangshan Shenzhou Machinery Group Co ltd
China University of Mining and Technology CUMT
CHN Energy Group Xinjiang Energy Co Ltd
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Abstract

The utility model provides a super energy-conserving coal dry separation system of many wind sources air feed, it includes raw coal feed part, the air feed part, select separately the part and remove dust the part, wherein raw coal feed part includes the product conveyer, surge bin and intelligent conveyor, select separately the part including the host computer support, intelligence vibration main separation bed device, host computer hang and discharge device, the air feed part includes the intelligent air conditioning system that left main blower and right main blower constitute, the dust removal part includes intelligent air conditioning dust pelletizing system, intelligent air conditioning system has two at least wind sources. The utility model discloses a super energy-conserving coal dry separation system of many wind sources air feed, the existing dwell time who does benefit to the reduction material with the velocity of motion of material with higher speed, the throughput of separating the bed unit time has been improved again. The equipment can improve the sorting precision, reduce energy consumption from the aspect of environmental protection, save energy and electricity and avoid unnecessary waste.

Description

Multi-wind-source air supply super energy-saving coal dry separation system
Technical Field
The utility model belongs to the technical field of the coal is selected separately, concretely relates to super energy-conserving coal dry separation system of many wind sources air feed, its coal sorting system who is applicable to super large handling capacity.
Background
Coal is a solid combustible mineral formed gradually by ancient plants buried underground and undergoing complex biochemical and physicochemical changes. Coal is known as black gold by people and is industrial food, which is one of main energy sources used in the human world since the eighteenth century, and since the twenty-first century, although the value of coal is not as high as before, coal is one of indispensable energy sources for production and life of human beings at present and in a long time in the future after all, the supply of coal is also related to the stability of the development of the industry of China and the aspect of the whole society, and the problem of the supply safety of coal is also the most important part in the energy safety of China.
Coal separation mainly comprises two directions of water washing and dry separation, the water washing basically adopts the processes of jigging, dense medium, flotation and the like, and the method has the advantages of mature process, high separation precision and high processing capacity. The disadvantages of large construction investment, long period, high production cost, large water resource consumption and waste, and the water consumption of washing 1 ton of raw coal is about 0.1m3In addition, low quality by-products such as coal slurry are also produced. The dry separation is a coal separation method which exists and develops slowly in the last two decades, has the advantages of no water, simple process, less investment and low production cost, and the main representative process is a wind power dry coal separation process. From the coal distribution region, the west accounts for 80.4% of the country, the middle accounts for 15.2% of the country, and the east accounts for 4.4% of the country. The western part is the main distribution area of the coal in China and is just the dry and little water area, so compared with water washing, dry separation has wider requirements and prospects, and large-area popularization is achieved in China and all over the world in a very short period. The water content, ash content and sulfur content of coal are important factors influencing the quality of coal. To improve the quality of coal, the coal must be dewatered and sorted. With the development of coal upgrading technology, coal drying and dry separation processes are widely applied in the coal upgrading technology, and remarkable success is achieved.
However, the existing wind-force dry coal separation technology has the defects of poor separation precision, small processing capacity, high requirement on coal types and the like. In addition, after the screening of coal is realized, the screening device for the existing intelligent coal dry separator needs to crush coal particles with larger particles so as to meet the subsequent processing requirement and greatly reduce the working efficiency; moreover, the coal screening device can generate a large amount of dust in the process of screening coal, the dust can pollute the surrounding environment, and the health of operators can be seriously affected when the operators work in the working environment for a long time. In addition, a large amount of energy is consumed in the process of treating the dust.
Therefore, the wind-force dry coal dressing process needs to be further improved and improved, so that the process is more suitable for being used for sorting in various occasions or mining areas.
SUMMERY OF THE UTILITY MODEL
Based on the problem that exists among the prior art, the utility model provides a super energy-conserving coal dry separation system of many wind sources air feed, it has not only solved the technical problem that prior art exists, has still promoted the handling capacity that coal was selected separately, has still reduced the energy that the sorting in-process consumed.
According to the technical scheme of the utility model, a super energy-conserving coal dry separation system of many wind sources air feed is provided, it includes raw coal feed part, the air feed part, select separately part and dust removal part, wherein raw coal feed part includes the product conveyor, surge bin and intelligent conveyor, it includes the host computer support to select separately the part, intelligence vibration owner selects the bed device, the host computer is hung and discharge device, the air feed part includes the intelligent air conditioning system that left main fan and right main fan constitute, the dust removal part includes intelligent air conditioning dust pelletizing system, intelligent air conditioning system has two at least wind sources.
Wherein the left main blower is connected to a left air splitter via a left main blower air valve, the left air splitter blowing the separation air into the first set of separation chambers.
Further, the right main blower is connected to a right air splitter via a right main blower air valve, the right air splitter blowing the sort air into the second group of sort chambers.
And furthermore, a left overhauling observation window is arranged on an air channel through which the left main fan is fed into the left air distributor through the air valve of the left main fan.
And further, a right maintenance observation window is arranged on an air channel through which the right main fan is fed into the right air distributor through the right main fan air valve.
Further, a left overhaul observation window is arranged between the air valve of the left main fan and the left air distributor.
In addition, according to the different amount of wind that each position of the main selection bed in the main selection bed device of intelligence vibration needs, realize differentiation air feed demand.
In addition, more than 6 air chambers are arranged below a main sorting bed in the intelligent vibration main sorting bed device, and air sources are distributed according to the sorting parameters required by each air chamber.
The utility model discloses a super energy-conserving coal dry separation system of many wind sources air feed, the existing dwell time who does benefit to the reduction material with the velocity of motion of material with higher speed, the throughput of separating the bed unit time has been improved again. The equipment can improve the sorting precision, reduce energy consumption from the aspect of environmental protection, save energy and electricity and avoid unnecessary waste.
Drawings
FIG. 1 is a schematic structural view of a multi-wind-source air supply super energy-saving coal dry separation system according to the present invention;
FIG. 2 is a top view of the intelligent vibratory primary cot of FIG. 1;
FIG. 3 is a schematic view of a bed surface through hole in the intelligent vibration main sorting bed of FIG. 2;
FIG. 4 is a schematic longitudinal side view of the intelligent vibratory primary cot of FIG. 1;
FIG. 5 is a schematic longitudinal side view of an intelligent vibratory primary sorting bed with mounted sorting bars;
FIG. 6 is a schematic view of the vibration direction of the backplate shown in FIG. 4;
FIG. 7 is a cross-sectional view of a coal dry separation system with a separation bed of a product chute;
FIG. 8 is an external view of a multi-source air supply super energy-saving coal dry separation system with a quick access door;
FIG. 9 is a schematic view of a loading conveyor system based on FIG. 8;
FIG. 10 is a partial view of a dedusting system of a multi-wind-source air-supply super energy-saving coal dry separation system;
FIG. 11 is a schematic cross-sectional view of a dedusting air duct;
FIG. 12 is a schematic view of blast separation of a super energy-saving coal dry separation system with multiple air sources for air supply.
The reference numbers in the figures are as follows: 1. a left main blower; 2. a left main blower air valve; 3. a left air distributor; 4. a product grading chute; 5. a host support; 6. a right air distributor; 7. a right main blower air valve; 8. a right main blower; 9. an air inlet of the dust remover; 10. a full bag dust collector; 11. a fully-closed dust collecting hood; 12. a dust removal pipeline; 13. a left main fan air inlet pipeline; 14. a right main fan air inlet pipeline; 15. a main selection bed; 16. hanging a host; 17. an air inducing duct; 18. a cloth bag induced draft fan; 19. a chimney of the induced draft fan; 21. a material inlet; 22. a clean coal discharge chute; 23. a middling discharging chute; 24. a gangue discharge chute; 25. a waste rock discharge cylinder; 26. a gangue overflow outlet; 27. a gangue discharge area; 28. primary sorting area; 701. a left inspection observation window; 702. a right overhaul observation window; 91. is a belt scale; 92. a belt conveyor; 1501. a longitudinal angle monitor; 1502. a lateral angle monitor; 1101. a quick access door; 1102. dust filtration cloth; 8-1, a horizontal air inlet pipe of the dust remover; 8-2, connecting an air inlet of the dust remover with a square pipe; 8-3, a dust remover air inlet inspection blind plate; 31. sorting air holes; 32. a bed panel; 41. a back plate; gradually-high lattice bars b1, b2, b3, … … and bn … ….
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.
The utility model provides a super energy-conserving coal dry separation system of many wind sources air feed, the following reference of attached drawing 1 further explains the utility model discloses, figure 1 is the foundation the utility model discloses the structural schematic diagram of super energy-conserving coal dry separation system of many wind sources air feed. As shown in fig. 1, the super energy-saving coal dry separation system with multiple air sources for air supply comprises a raw coal feeding part, an air supply part, a separation part and a dust removal part, wherein the raw coal feeding part comprises a product conveyor, a buffer bin and an intelligent conveying device, the separation part comprises a host bracket, an intelligent vibration main bed selection device, a host hanger 16 and a discharge device, the air supply part comprises an intelligent air regulation system formed by a left main fan and a right main fan, and the dust removal part comprises an intelligent air regulation and dust removal system.
Further, raw coal (including but not limited to coal products or coal materials) is conveyed to a buffer bin by a raw coal product conveyor to be sorted and wait for sorting, and the raw coal in the buffer bin is intelligently distributed to a sorting part through an intelligent conveying device to be sorted. The sorting part comprises a host bracket 5, an intelligent main sorting bed device, a host hanger 16 and a discharging device, wherein the intelligent main sorting bed device is arranged on the host bracket 5 through the host hanger 16, the intelligent main sorting bed device comprises a main sorting bed 15, and the discharging device is a material receiving chute positioned at the lower part of the intelligent main sorting bed device. The receiving chute is preferably a product chute 4.
The air supply part comprises an intelligent air adjusting system consisting of a left main fan 1 and a right main fan 8, the left main fan 1 is connected to a left air distributor 3 through a left main fan air valve 2, and the left air distributor 3 blows separation air into a first group of separation chambers; the right main blower 8 is connected to the right air distributor 6 via a right main blower air valve 7, and the right air distributor 6 blows the separation air into the second group of separation chambers.
The dust removing part comprises an intelligent air adjusting dust removing system, the intelligent air adjusting dust removing system comprises a dust removing pipeline 12, a full-bag dust remover 10 and a bag-type induced draft fan 18, a fully-closed dust collecting cover 11 arranged at the upper part of the separating part conveys dust generated by the separating part to a dust remover air inlet 9 through the dust removing pipeline 12, gas containing impurities or dust through the dust remover air inlet 9 enters the full-bag dust remover 10, the full-bag dust remover 10 is connected with a left main fan air inlet pipeline 13 and a right main fan air inlet pipeline 14, the air inlet pipeline 13 of the left main fan 1 conveys the gas purified through the full-bag dust remover 10 back to the left main fan 1, and the air inlet pipeline 14 of the right main fan 8 conveys the gas purified through the full-bag dust remover 10 back to the right main fan 8. The dust removal part further comprises a bag induced draft fan 18, the bag induced draft fan 18 is connected with an induced draft fan chimney 19 and an induced draft pipeline 17, the induced draft pipeline 17 introduces dust-containing gas into the full bag-type dust remover 10, and part of clean gas treated by the bag-type dust remover 10 is discharged into the atmosphere through the induced draft fan chimney 19.
Further, a left inspection window 701 is preferably provided in the duct through which the left main blower 1 is fed into the left air distributor 3 through the left main blower air valve 2. Similarly, a right inspection window 702 is preferably provided on the duct of the right air splitter 6 through the right main blower 8 via the right main blower air valve 7. More preferably, a left service viewing window 701 is provided between the left main blower damper 2 and the left air splitter 3 and a right service viewing window 702 is provided between the right main blower damper 7 and the right air splitter 6. More than 6 air chambers are arranged below a main sorting bed in the intelligent vibration main sorting bed device, and air sources are distributed according to sorting parameters required by each air chamber.
The utility model discloses a super energy-conserving coal dry separation system of many wind sources air feed has set up the many wind sources system that comprises a plurality of main draught fans, and then has realized intelligent accent wind. In the winnowing process, the differentiated air supply requirements are realized according to different air quantities required by each part of the main separating bed 15. Compared with the existing dry separation machine which only has one main fan, the air quantity and the air pressure of the air source are single and unadjustable, the main separation bed area of the multi-air-source air supply super energy-saving coal dry separation system of the utility model is very large, the air chambers are even more than ten, and the air quantity and the air pressure required by each air chamber have different parameters according to the corresponding different positions under the main separation bed; further, also solved and set up a main wind regime under the super large sorting bed surface of the utility model, even the amount of wind is adjustable, also can not overcome the technical problem that the wind pressure still is same parameter. A multi-wind source system is adopted, so that the adjustment of the sorting parameters of the dry separator is realized; the air supply quantity of the air sources can be adjusted at any time, and the air sources can be distributed according to the separation parameters required by each air chamber, so that the separation precision can be improved, the energy consumption can be reduced from the environmental protection perspective, the energy and the electricity are saved, and unnecessary waste is avoided.
Furthermore, the utility model discloses a super energy-conserving coal dry separation system of many wind sources air feed adopts the preferred full sack cleaner of intelligent air-adjusting dust pelletizing system, and gives up the scheme of the two configurations of whirlwind dust removal and the sack dust removal that original coal dry separation system adopted. The original coal dry separator dust remover system is provided with a cyclone dust remover and a bag dust remover, the cyclone dust remover has large processing air volume and small occupied area, the processed air is used as circulating air for continuous use, the dust removing path trend is that a main fan leads the air out of an equipment dust hood and enters the cyclone dust remover through a pipeline, large particle dust is removed in the cyclone dust remover, then the large particle dust enters the main fan, the main fan feeds the air chamber, the air chamber feeds the main separation bed, the main separation bed enters the dust hood and is sucked away by the main fan again, and the process is repeated and circulated, so that the air path circulation of the dry separator equipment is ensured; the bag-type dust collector also draws air from the dust hood, so that negative pressure is generated on a balanced air path, and dust is prevented from overflowing. However, the cyclone dust collector can only remove large-particle dust in the air path, and the fine dust circulates in a closed circuit along with the wind, and more dust is discharged after the dry separator runs for a long time.
The utility model discloses a super energy-conserving coal dry separation system of many wind sources air feed adopts full sack cleaner, and all circulation wind paths are all through the sack cleaner, and the dust collection efficiency of sack cleaner can reach more than 99%, can detach 99% dust in the wind path, has realized the clear wind coal dressing completely, and the resistance of sack cleaner is far less than the resistance of cyclone dust remover moreover, can reduce the energy consumption of main fan motor, can the energy can be saved again.
As shown in fig. 2, the coal dry separation system with source air supply adopts a pentagonal intelligent vibration main separation bed surface with three right-angled sides, the movement direction of gangue is pushed forward along the transverse direction of the intelligent vibration main separation bed, and the movement direction of clean coal is pushed forward along the longitudinal direction of the intelligent vibration main separation bed. The discharging section of the clean coal adopts a trapezoidal frame. Coal materials are intelligently distributed to a material inlet 21 of the intelligent vibration main selection bed through an intelligent conveying device and are conveyed to a primary separation area 28 on a bed body of the intelligent vibration main selection bed through the material inlet 21, and a plurality of separation gradually-high grid bars b1, b2, b3, … … and bn … … are arranged on the intelligent vibration main selection bed; select separately gradually high check strip and lay on intelligent vibration main selection bed, select separately gradually high check strip and intelligent vibration main selection bed pan feeding frame and be certain separation contained angle N, wherein select separately contained angle N and be the acute angle, set up the size of this separation contained angle according to the coal composition or the moisture of equipment fixing mining area, and then realized selecting separately the index according to local conditions, furthest promotes the sorting precision. The material inlet 21 is arranged at the edge of the feeding frame of the intelligent vibration main separation bed, preferably, the highest point of the feeding frame of the intelligent vibration main separation bed is overlapped with the highest point of the material inlet 21, so that coal materials are vibrated and propelled to the waste rock discharging frame of the intelligent vibration main separation bed along the upper frame of the intelligent vibration main separation bed, a certain material propelling angle M is formed between each high point oblique connecting line of a plurality of separation gradually-high lattice bars b1, b2, b3, … … and bn … … and the upper frame of the intelligent vibration main separation bed, the material propelling angle M is set according to the impurity content of the waste rocks of coal carbons separated on site, and the separation degree of clean coal, medium coal and waste rocks is improved as much as possible. A gangue discharge channel is arranged close to the gangue discharge frame of the intelligent vibration main separation bed, the separated gangue is discharged from a gangue discharge groove 24 along the gangue discharge channel, a gangue overflow outlet 26 is arranged at the top end of the gangue discharge frame of the intelligent vibration main separation bed, and the gangue overflow outlet 26 is used for quickly discharging large gangue or accumulated gangue; in addition, compared with the existing dry separation system, the super energy-saving coal dry separation system with multiple air sources for air supply has the advantages that the coal separation amount per unit time is higher by more than 30%, and a large amount of gangue is generated in a short time, so that a gangue discharge cylinder 25 is additionally arranged on the side face of a gangue discharge frame of the intelligent vibration main separation bed, and the gangue which cannot be discharged through a gangue discharge chute 24 and a gangue overflow outlet 26 can be discharged through the gangue discharge cylinder 25 from a gangue discharge area 27. The lower separation frame of the intelligent vibration main separation bed is respectively and sequentially provided with a clean coal discharging groove 22, a middlings discharging groove 23 and a gangue discharging groove 24, and the separation side length occupied by the clean coal discharging groove 22, the middlings discharging groove 23, the gangue discharging groove 24 and the like is determined according to the separation area of the bed body of the intelligent vibration main separation bed, the set vibration frequency of vibration separation and the impurity content and water content of coal. The utility model discloses an intelligence vibration primary election bed is selected separately the lower frame and is the broken line form, and partial intelligence vibration primary election bed is selected separately the lower frame and is perpendicular and be on a parallel with intelligence vibration primary election bed pan feeding frame and select separately the upper frame promptly, and partial intelligence vibration primary election bed is selected separately the lower frame and upwards folds and be the obtuse angle with intelligence vibration primary election bed row's waste rock frame in clean coal separation region, shortens waste rock and clean coal stroke, increase handling capacity in proper order.
The super energy-saving coal dry separation system with multiple air sources for air supply adopts a pentagonal intelligent vibration main separation bed surface with three right-angle sides, firstly, the transverse distance of a discharge end of waste rock is shortened, and the retention time of the waste rock on the main separation bed is reduced; secondly, the longitudinal distance of the clean coal discharge end is shortened, and the distance of an air chamber is transversely prolonged from the foremost end of the main separation bed to the gangue end, so that the area of the clean coal discharge end can be basically kept unchanged, and the changes are all to reduce the retention time of materials on the main separation bed. The lower corner is modified into a broken line trapezoid, thereby shortening the travel of gangue and clean coal and increasing the treatment capacity.
As further shown in fig. 2, the length of the sorting lower frame of the part of the intelligent vibration main sorting bed, which is perpendicular to the feeding frame of the intelligent vibration main sorting bed and parallel to the sorting upper frame of the intelligent vibration main sorting bed, is a3, the length of the sorting lower frame of the other intelligent vibration main sorting beds is a4, the length ratio is set according to the sorting amount of clean coal and the sorting degree of clean coal, for example, sorting coal into super clean coal, middlings, miscellaneous middlings, gangue and the like, and at this time, the length ratio of the broken line of the sorting lower frame of the intelligent vibration main sorting bed is adjusted according to the user's needs; similarly, the length a5 of the frame of the gangue discharge of the intelligent vibration main separation bed is set according to the gangue moving speed and the drying speed of the separated coal; the intelligent vibration main sorting bed feeding frame is divided into a material inlet 21 part and a clean coal sorting side, the length of the material inlet 21 part is a1, the length of the clean coal sorting side is a2, and the proportion between a1 and a2 of the intelligent vibration main sorting bed feeding frame is set according to the amount of coal conveyed to the vibration sorting part in unit time. Arranging an upper frame of the intelligent vibration main separation bed at the gangue discharge port 26, wherein the length of the gangue discharge port 26 is a6, and the proportion between the length a6 and the length a7 of the rest part of the upper frame of the intelligent vibration main separation bed is set according to the amount of gangue; alternatively, the gangue discharge 26 may be closed for situations where the amount of gangue discharged is relatively small.
Furthermore, a plurality of gradually-high sorting grid strips b1, b2, b3, … … and bn … … are sequentially arranged in parallel, high points b12, b22, b32, … … and bn2 … … of each gradually-high grid strip form an oblique line (connecting line), each high point oblique connecting line and the upper frame of the intelligent vibration main sorting bed form a certain material propelling angle M, and low points b11, b21, b31, … … and bn1 … … of each gradually-high grid strip are respectively connected with the feeding frame of the intelligent vibration main sorting bed and the sorting lower frame of the intelligent vibration main sorting bed. As shown in fig. 5, the gradually-high bars are fixed on the bed panel, and the high point of each gradually-high bar is close to the intelligent vibration main selection bed back plate 41. The height of the high points of the gradually-high grating is greater than that of the low points of the gradually-high grating.
The utility model discloses intelligence vibration main election bed panel gradually high check strip, for bed panel check strips such as current, the effect of check strip is that the material that separation bed during operation density is big can upwards move along the check strip for the material forms the boundary zone of an obvious high low density material separation on separation bed. The utility model discloses the material volume that the primary election bed passed through is very big, and current check strip exists the thickness that highly is less than the bed material far away and leads to the unstable problem of the big material movement track of density, and current check strip is not suitable for the material of handling large treatment capacity to select separately. The utility model discloses a like the gradually high check strip that fig. 5 is shown, backplate to arranging material side direction check strip height and more low, be favorable to the high density material like this to move the orbit remain stable when pan feeding diffusion strikes, also do benefit to the quick row of low density material at the bin outlet.
As shown in fig. 2 and 3, the separation air holes 31 are distributed on the panel of the intelligent vibration main separation bed, and the diameter of the separation air hole close to the upper separation frame of the intelligent vibration main separation bed is gradually larger than that of the separation air hole close to the lower separation frame of the intelligent vibration main separation bed. Specifically, referring to fig. 3, the separation air hole 31 and the intelligent vibration main selection bed panel are arranged in an inclined manner, that is, the separation air hole 31 and the intelligent vibration main selection bed panel are not arranged vertically, the air direction of the intelligent vibration main selection bed panel passing through the bed panel is vertically incident to the intelligent vibration main selection bed panel, that is, the separation air flow is vertically incident to the intelligent vibration main selection bed panel, and the separation air flow passing through the separation air hole 31 is inclined out from the bed panel and is emitted to the separation coal material. Correspondingly, the partition plates of the bed panel are arranged between the separation air holes 31 at intervals and used for adjusting the distance between the separation air holes 31. The intelligent vibration main separation bed panel is preferably a bed panel 28 with separation air holes. The existing traditional bed surface sorting air holes are vertical through holes, and air is blown out vertically through the small holes; the utility model discloses intelligence vibration main separation bed panel selects separately wind hole to change into the inclined hole, and the incline direction is the discharge end, and the air current blows off an effort of slope and ejection of compact direction occasionally from these select separately wind holes like this, and this power can accelerate the velocity of motion of material on the bed surface. Preferably, only the first bed surface hole at the feeding end of the bed panel of the intelligent vibration main separation bed is changed into an inclined hole, the inclined direction is the discharging end, and the separation air holes of other bed panels of the intelligent vibration main separation bed adopt vertical separation air holes.
Fig. 4 is a schematic longitudinal side view of the intelligent vibration main sorting bed of fig. 1, and fig. 5 is a schematic longitudinal side view of the intelligent vibration main sorting bed with the sorting grid bars installed. As shown in fig. 4 and 5, the super energy-saving coal dry separation system with multiple wind sources for wind supply adopts a back plate structure, the back plate is perpendicular to the panel of the intelligent vibration main selection bed, and the back plate 41 is arranged on the upper separation frame of the panel of the intelligent vibration main selection bed and is fixedly connected together. Optionally, the back plate 41 is detachably connected to the sorting upper rim of the intelligent vibration main sorting bed panel 32. As shown in fig. 6, the vibration direction of the back plate is parallel to the longitudinal thrust applied to the coal material, that is, the coal material is subjected to downward longitudinal thrust under the dual actions of the vibration of the bed surface and the back plate. The back plate and the ground form a certain included angle alpha.
The utility model discloses intelligence vibration main bed panel adopts the perpendicular backplate that sets up, directly provides a longitudinal thrust for the coal material of selecting. Compared with the traditional main sorting bed, the angle between the back plate and the main sorting bed surface is an acute angle of 60-70 degrees, and the existing back plate has the function of turning the materials on the sorting bed based on the sorting principle of a dry sorting machine; the utility model discloses change this backplate angle into vertically 90 for dry separation machine is at the sorting process, changes original upset effort into a thrust of material forward motion, accelerates the rate of motion of material on the bed surface.
Furthermore, as shown in fig. 4, a longitudinal angle monitor 1501 and a transverse angle monitor 1502 are installed on the sorting bed body, the longitudinal angle monitor 1501 is used for monitoring the longitudinal vibration angle of the intelligent vibration main sorting bed, and the transverse angle monitor 1502 is used for monitoring the transverse vibration angle of the intelligent vibration main sorting bed; the angle parameters of the separation bed body are displayed in real time, the automatic adjustment of the separation bed body is completed by more effectively matching production, and the intellectualization of the super energy-saving coal dry separation system with multiple air sources for air supply is greatly improved.
As shown in fig. 7 and 8, the external view of the multi-wind-source wind-supply super energy-saving coal dry separation system with the quick access door is shown, the multi-wind-source wind-supply super energy-saving coal dry separation system further comprises a fully-closed dust hood 11 and a quick access door 1101, and the fully-closed dust hood 11 is buckled on the separation part to realize fully-closed separation; the quick access door 1101 is arranged on the side face of the upper cover body of the sorting part, and the maintenance and inspection equipment is operated through the quick access door 1101 on a daily basis. A product chute 4 is arranged below the intelligent vibration main separation bed body, and the product chute 4 is divided into a clean coal discharging chute 22, a middlings discharging chute 23 and a gangue discharging chute 24 according to different types of received materials. Furthermore, four sides of the fully-closed dust hood 11 just correspond to four sides of the main selection bed 15, and two sides and the rear side of the fully-closed dust hood are connected with two sides and the rear side of the main selection bed 15 through dust filtering cloth 1102, so that no dust gas is emitted outside. The front of the fully-closed dust hood 11 is provided with a plurality of quick access doors 1101, the quick access doors 1101 can be opened to directly reach the bed surface of the main separation bed 15, the maintenance work can be conveniently carried out, in addition, the top of the fully-closed dust hood 11 is provided with a pipeline hole connected with the fully-bag dust collector 10, and gas mixed with dust can enter the fully-bag dust collector 10 through the pipeline hole to be filtered and circulated.
Furthermore, two sets of pipeline holes are arranged on the fully-closed dust collecting cover 11, the two sets of pipeline holes are respectively connected to the full-bag dust collector 10, and an independent dust collection power system is arranged in each pipeline hole and used for adjusting dust collection power of each pipeline hole of the independent dust collection power system according to dust concentration difference in the upper space of the intelligent vibration main separation bed.
As shown in fig. 9, an intelligent material transporting system is additionally installed on the basis of fig. 8, a belt weigher 91 is arranged below a belt conveyor 92 for conveying coal materials by power, and the belt weigher 91 is preferably an intelligent belt weigher with a wireless transmission function, and can transmit the real-time conveying amount of the coal materials to a central control platform of a central control room, so that the material data analysis and control of coal sorting are realized in real time on the central control platform of the central control room.
As shown in fig. 1, the dust from the sorting space of the intelligent vibration main sorting bed of the pipeline hole sequentially enters the full-bag dust collector 10 through the dust collector air inlet 9 via the dust collecting pipeline 12. As shown in fig. 10, in the structure in which the dust enters the full bag dust collector 10 through the dust collector air inlet 9, the dust collector air inlet 9 is provided with a dust buffering device, preferably a pillow-shaped body for the dust buffering device, and the dust enters the full bag dust collector 10 after being buffered in the pillow-shaped body. Therefore, the blocky particles contained in the dust from the sorting space of the intelligent vibration main sorting bed can be buffered and fall in the pillow-shaped body and are gathered in the pillow-shaped body, the side part of the pillow-shaped body is provided with a dust collector air inlet inspection blind plate 8-3, the dust collector air inlet inspection blind plate 8-3 is detachably arranged on the side surface of the pillow-shaped body, and the gathered blocky particles can be cleaned by detaching the dust collector air inlet inspection blind plate 8-3. As shown in fig. 11, the air inlet pipe of the dust removing system of the multi-air-source air-supply super energy-saving coal dry separation system comprises a horizontal air inlet pipe 8-1 of the dust remover and a square air inlet connecting pipe 8-2 of the dust remover, the horizontal air inlet pipe 8-1 of the dust remover forms the main body of the pillow body, and the square air inlet connecting pipe 8-2 of the dust remover is connected between the horizontal air inlet pipe 8-1 of the dust remover and a full bag dust remover 10.
Fig. 12 is a schematic diagram of blast separation of a multi-source air supply super energy-saving coal dry separation system, wherein a blast passage is arranged below an intelligent vibration main separation bed, and an air path of the blast separation system is preferably adjacent to a separated material discharge opening. Therefore, the field power layout is conveniently and reasonably arranged, and the utilization rate of the field space is improved. Further, the utility model discloses in use two way wind sources at least for can adjust the air feed condition of each wind path respectively, and then realize the air feed as required. And according to the wind path that sets up as figure 12, its air inlet windage is very little, has promoted the efficiency with wind.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a super energy-conserving coal dry separation system of many wind sources air feed, a serial communication port, it includes raw coal feed part, air feed part, select separately the part and remove dust the part, wherein raw coal feed part includes product conveyor, surge bin and intelligent conveyor, select separately the part including host computer support, intelligent vibration main bed selection device, host computer hang and discharge device, air feed part includes the intelligent air conditioning system that left main blower and right main blower constitute, remove dust the part including intelligent air conditioning dust pelletizing system, intelligent air conditioning system has two at least wind sources.
2. The multi-source air-supply super energy-saving coal dry separation system according to claim 1, wherein the left main fan is connected to a left air distributor via a left main fan air valve, and the left air distributor blows the separation air into the first group of separation chambers.
3. The multi-source air-supply super energy-saving coal dry separation system according to claim 2, wherein the right main fan is connected to a right air distributor via a right main fan air valve, and the right air distributor blows the separation air into the second group of separation chambers.
4. The super energy-saving coal dry separation system with multiple air sources for air supply according to claim 3, wherein a left overhaul observation window is arranged on an air channel of the left main fan which is fed into the left air distributor through the air valve of the left main fan.
5. The super energy-saving coal dry separation system with multiple air sources for air supply according to claim 2, wherein a right overhaul observation window is arranged on an air duct of a right main fan which is fed into the right air distributor through an air valve of the right main fan.
6. The multi-wind-source wind-supply super energy-saving coal dry separation system according to claim 5, wherein a left overhaul observation window is arranged between the left main fan air valve and the left air divider.
7. The super energy-saving coal dry separation system with multiple air sources for air supply according to claim 1, wherein the differentiated air supply requirements are realized according to different air volumes required by each part of a main separation bed in the intelligent vibration main separation bed device.
8. The super energy-saving coal dry separation system with multiple air sources for air supply according to claim 1, wherein more than 6 air chambers are arranged below a main separation bed in the intelligent vibration main separation bed device, and air sources are distributed according to separation parameters required by each air chamber.
CN202120647228.5U 2021-03-31 2021-03-31 Multi-wind-source air supply super energy-saving coal dry separation system Active CN215198267U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113145460A (en) * 2021-03-31 2021-07-23 唐山市神州机械有限公司 Energy-saving coal dry separation system with multiple air sources for air supply

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113145460A (en) * 2021-03-31 2021-07-23 唐山市神州机械有限公司 Energy-saving coal dry separation system with multiple air sources for air supply
CN113145460B (en) * 2021-03-31 2024-01-02 唐山神州机械集团有限公司 Energy-saving coal dry separation system with multiple air supply sources

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