CN109677724B - Pulverized coal ton bag opening device and conveying system - Google Patents
Pulverized coal ton bag opening device and conveying system Download PDFInfo
- Publication number
- CN109677724B CN109677724B CN201910107632.0A CN201910107632A CN109677724B CN 109677724 B CN109677724 B CN 109677724B CN 201910107632 A CN201910107632 A CN 201910107632A CN 109677724 B CN109677724 B CN 109677724B
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- CN
- China
- Prior art keywords
- pulverized coal
- ton bag
- transition piece
- ton
- coal dust
- 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.)
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Links
- 239000003245 coal Substances 0.000 title claims abstract description 70
- 238000007599 discharging Methods 0.000 claims abstract description 35
- 230000007704 transition Effects 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 22
- 239000000428 dust Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000002817 coal dust Substances 0.000 abstract description 19
- 239000004033 plastic Substances 0.000 description 11
- 229920003023 plastic Polymers 0.000 description 11
- -1 polypropylene Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Auxiliary Methods And Devices For Loading And Unloading (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a pulverized coal ton bag opening device and a conveying system, and relates to the technical field of pulverized coal treatment. The utility model provides a coal dust ton bag bagging apparatus is including being equipped with feed inlet and discharge gate's discharge hopper for the ton bag of loading coal dust is disposed in the feed inlet, is equipped with bearing structure in the discharge hopper and is located the logical material structure on the bearing structure, and logical material structure includes cutting member and transition piece, and the transition piece is connected with cutting member and bearing structure respectively, and the transition piece is equipped with the passageway that many enable the coal dust to pass through, and the ton bag is cut by the cutting member after, and the coal dust falls into in the discharge hopper through the transition piece, and the ton bag is supported by transition piece and bearing structure. According to the invention, the transition piece is arranged below the cutting piece, and the transition piece is provided with the plurality of channels through which coal dust can pass, so that the ton bags cut by the cutting piece cannot fall into the discharging bin along with the coal dust, and the problem that the ton bags in the prior art can fall into the discharging bin along with the coal dust is solved.
Description
Technical Field
The invention relates to the technical field of coal dust treatment, in particular to a coal dust ton bag opening device and a conveying system.
Background
The pulverized coal boiler needs a large amount of pulverized coal, and the pulverized coal is transported mainly by ton bags. The ton bag has the advantages of moisture resistance, dust resistance, radiation resistance, firmness and safety, and has enough strength structurally, and the ton bag is generally woven by polyester fibers such as polypropylene, polyethylene and the like. The ton bag is flexible and convenient to transport, each car can transport tens of tons, but after reaching a destination, the coal powder storage tank is loaded, conventionally, the crane is used for hanging the top end of the coal powder storage tank, the bag is manually cut off, and the coal powder falls into the coal powder storage tank. The pulverized coal ton bag opening device is characterized in that a conical cutting tool is arranged in a ton bag discharging bin, the ton bag is pressed on the tool after entering the bin, the lower part of the ton bag is cut by self gravity, and pulverized coal in the ton bag flows into the discharging bin.
However, the ton bag has a double-layer structure, the outer layer is a woven bag made of polypropylene as a raw material, and the inner layer is lined with a layer of plastic bag for water resistance. In the process of discharging powder, the bottom of the ton bag is almost completely cut by the cutting prop, the coal dust falls quickly, meanwhile, the plastic bag of the lining is peeled off, and some plastic bags are pressed by the coal dust. When the ton bags are lifted up by the discharged coal powder, part of plastic bags are shredded and mixed into the coal powder, and the plastic bags with larger area are piled up on a separation sieve in the middle of the discharging bin and cleaned by workers; the plastic strips with smaller area and larger quantity are mixed into the pulverized coal until entering a large pulverized coal bin, and the plastic strips are transported to the pulverized coal bin in front of the boiler along with the pulverized coal filled into a tank car and then enter a hearth through a pulverized coal feeder. In the processes, the phenomena of blocking the powder conveying pipe and the powder feeder can occur frequently, and the furnace is shut down for cleaning almost several times a day, so that the safe and stable operation of the boiler is seriously affected.
Therefore, a new pulverized coal ton bag opening device and a new pulverized coal ton bag conveying system are needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a pulverized coal ton bag opening device and a conveying system, which are used for solving the problem that ton bags in the prior art possibly fall into a discharging bin along with pulverized coal.
To achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a bagging apparatus is driven to buggy ton bag, is including being equipped with feed inlet and discharge gate's discharge gate, be used for loading buggy ton bag be configured in the feed inlet, be equipped with bearing structure in the discharge gate and be located the logical material structure on the bearing structure, logical material structure includes cutting member and transition piece, the transition piece respectively with the cutting member with bearing structure connects, the transition piece is equipped with many passageway that enable buggy to pass through, and the ton bag by after the cutting member cuts, the buggy passes through the transition piece falls into in the discharge gate, the ton bag by the transition piece with bearing structure supports.
Preferably, the supporting structure is provided with a plurality of through holes which can pass through the pulverized coal but can not pass through the ton bags.
Preferably, the feeding hole is of a structure with a wide upper part and a narrow lower part, and a sealing structure is arranged at the feeding hole.
Preferably, the sealing structure comprises a first sealing structure arranged on the periphery of the feeding hole and a second sealing structure arranged below the feeding hole, and the first sealing structure, the second sealing structure, the feeding hole, the supporting structure and the feeding structure form a cavity for accommodating the ton bag.
Preferably, the side wall of the cavity is connected with a dust removing structure.
Preferably, the discharging bin is conical, and the included angle between the side wall of the discharging bin and the horizontal plane is larger than the natural stacking angle of the pulverized coal.
Preferably, the transition piece is vertically penetrated and comprises a plurality of pipe bodies arranged at intervals, and the channel is formed between every two adjacent pipe bodies.
The pulverized coal conveying system comprises the pulverized coal ton bag opening device.
Preferably, the device further comprises a fan and a pulverized coal tank, wherein the discharge hole is communicated with a venturi structure, and the venturi structure is respectively connected with the fan and the pulverized coal tank.
Preferably, a powder conveying pipeline is connected between the venturi tube structure and the pulverized coal tank, and the powder conveying pipeline is a seamless steel pipe.
The invention has the beneficial effects that:
according to the invention, the transition piece is arranged below the cutting piece, and the transition piece is provided with the plurality of channels which can enable the pulverized coal to pass but not enable the ton bags to pass through, so that the ton bags cut by the cutting piece cannot fall into the discharging bin along with the pulverized coal, and the problem that the ton bags in the prior art can fall into the discharging bin along with the pulverized coal is solved.
Drawings
Embodiments of the present invention will now be described, by way of example only, with reference to the accompanying drawings, in which
FIG. 1 is a schematic structural view of a pulverized coal ton bag opening device provided by the invention;
fig. 2 is a schematic structural diagram of a pulverized coal conveying system provided by the invention.
In the figure:
1. a discharging bin; 10. a ton bag; 11. a feed inlet; 12. a discharge port;
2. a support structure; 21. a through hole;
3. a material passing structure; 31. a cutting member; 32. a transition piece; 33. a channel;
41. a first sealing structure; 42. a second sealing structure;
5. a dust removal structure; 6. a blower; 7. a pulverized coal tank; 8. a venturi tube structure; 9. powder conveying pipeline.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1, the structure schematic diagram of the pulverized coal ton bag opening device provided by the invention is shown, the pulverized coal ton bag opening device comprises a discharging bin 1, the discharging bin 1 is provided with a feeding hole 11 and a discharging hole 12, the feeding hole 11 is of a structure with wide upper part and narrow lower part, so that ton bags 10 smoothly enter the discharging bin 1, the discharging direction of the discharging hole 12 is communicated with a venturi tube structure 8, and one end of the venturi tube structure 8 is connected with a fan 6 so as to ensure the effect of mixing wind and powder.
Specifically, the discharging bin 1 is internally provided with a supporting structure 2 and a material passing structure 3 positioned on the supporting structure 2, the material passing structure 3 comprises a cutting piece 31 and a transition piece 32, the cutting piece 31 is optionally composed of a plurality of cutters, and the plurality of cutters form a cone structure, so that the cutting of the ton bag 10 can be facilitated; optionally, a knife tip like a spear is further provided at the top end of the plurality of knives for puncturing the ton bag 10. The transition piece 32 is connected with the cutting piece 31 and the supporting structure 2 respectively, the transition piece 32 is provided with a plurality of channels 33 which can enable the pulverized coal to pass through, after the ton bag 10 is cut by the cutting piece 31, the pulverized coal falls into the discharging bin 1 through the transition piece 32, and the ton bag is supported by the transition piece 32 and the supporting structure 2, namely, the ton bag 10 (particularly a plastic bag with a lining) can be blocked by the transition piece 32 and the supporting structure 2 and cannot fall to the discharging port 12 along with the pulverized coal, so that the blockage of the powder conveying channel can not be caused. It should be noted that, the cross-sectional area of the transition piece 32 is moderate, and neither too small nor too large, because too small represents the gap of the channel 33, so that different pulverized coal can be smoothly discharged from the channel 33; if the gap of the channel 33 is too large, some broken plastic strips of the lining plastic bag fall into the bottom of the discharging bin 1 together with the pulverized coal through the channel 33, and thus are blocked. Preferably, the transition piece 32 is vertically penetrated and comprises a plurality of pipe bodies arranged at intervals, and a channel 33 is formed between every two adjacent pipe bodies, so that the upper part and the side part of the transition piece 32 can be discharged, and the discharging speed is greatly increased.
Specifically, the supporting structure 2 is provided with a plurality of through holes 21 which can enable the pulverized coal to pass through but not pass through the ton bag, so that the discharging speed of the pulverized coal can be further facilitated, and the ton bag 10 can be supported by the through holes 21 with a certain aperture, and broken plastic strips or other impurities with larger volume can be prevented from entering the powder conveying channel.
Specifically, the feed inlet 11 department is equipped with seal structure, and seal structure includes the first seal structure 41 that locates feed inlet 11 periphery and locates the second seal structure 42 of feed inlet 11 below, and first seal structure 41, second seal structure 42, feed inlet 11, bearing structure 2 and feed through structure 3 form the cavity that is used for holding ton bag. The first sealing structure 41 is preferably a steel plate to prevent coal dust entering the cavity from drifting outside the discharging bin 1; the second sealing structure 42 is preferably a steel plate, and when the material is discharged, the coal dust near the feeding hole 11 is affected by natural accumulation of the coal dust below the material, and the coal dust gradually accumulates towards the feeding hole 11, so that the diameter of the ton bag 10 at the feeding hole 11 is increased, and the ton bag is further contacted with the second sealing structure 42, so that a self-sealing structure is formed, and the coal dust in the cavity is further prevented from drifting outside the material discharging bin 1. In addition, due to the positional relationship between the first sealing structure 41 and the second sealing structure 42, a vortex area is formed in the cavity during coal dust discharging, that is, a small part of coal dust can fly upwards along the inner wall of the discharging bin 1, and after touching the first sealing structure 41 and the second sealing structure 42 (namely, steel plates), the coal dust can naturally slide into the discharging bin 1 along the steel plates.
Specifically, the discharging bin 1 is conical (i.e. has a structure with a wide upper part and a narrow lower part), and the included angle between the side wall of the discharging bin 1 and the horizontal plane is larger than the natural stacking angle of the pulverized coal, preferably larger than 60 degrees, so that the pulverized coal can flow to the discharging port 12 more quickly along the inner wall of the discharging bin 1 after passing through the transition piece 32, and the phenomenon of stacking can not occur.
Specifically, the side wall of the cavity is connected with a dust removing structure 5, which may be a bag-type dust remover, for example. The lower part of the dust removing structure 5 is communicated with the side wall of the cavity, and the dust removing structure 5 is provided with an induced draft fan. When the bag is opened, the induced draft fan is opened to suck air in the cavity, so that a negative pressure area is formed in the cavity to prevent pulverized coal from flying out. The pulverized coal is filtered in the dust removing structure 5, so that the pulverized coal cannot be discharged to the external environment, and the dust removing structure 5 is also provided with an air back-blowing mechanism, so that the pulverized coal adsorbed on the cloth bag can be blown off regularly, and can fall into the cavity again.
The invention also provides a pulverized coal conveying system, which comprises the pulverized coal ton bag opening device, a fan 6 and a pulverized coal tank 7, and a venturi tube structure 8 is respectively connected with the fan 6 and the pulverized coal tank 7. The fan 6 is preferably a Roots fan, and because the height of the pulverized coal tank 7 is generally very high, the wind pressure of the ordinary fan cannot meet the powder conveying capacity, and the high pressure generated by the Roots fan can smoothly convey pulverized coal into the pulverized coal tank 7 with the height of tens of meters. The venturi tube structure 8 is connected with a powder conveying pipeline 9 between the coal powder tank 7, the powder conveying pipeline 9 is a seamless steel tube, the turning positions of the powder conveying pipeline 9 are large elbow structures with R/d being more than 8, and an anti-wear structure is welded outside the elbow to strengthen the wear resistance of the pipeline, so that the service life of the powder conveying pipeline 9 is prolonged.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (5)
1. The utility model provides a buggy ton bag bagging apparatus that opens bagging apparatus, is including being equipped with feed inlet (11) and discharge gate (12) discharge bin (1), be used for loading buggy ton bag (10) be disposed in feed inlet (11), its characterized in that, be equipped with bearing structure (2) and lie in discharge bin (1) on bearing structure (2) lead to material structure (3), lead to material structure (3) including cutting member (31) and transition piece (32), transition piece (32) respectively with cutting member (31) with bearing structure (2) are connected, transition piece (32) are equipped with many passageway (33) that enable buggy to pass through, and after the ton bag was cut by cutting member (31), the buggy falls into in discharge bin (1) through transition piece (32), ton bag is by transition piece (32) and bearing structure support;
the transition piece (32) is vertically communicated and comprises a plurality of pipe bodies which are arranged at intervals, and the channel (33) is formed between every two adjacent pipe bodies;
the feeding hole (11) is of a structure with a wide upper part and a narrow lower part, and a sealing structure is arranged at the feeding hole (11);
the sealing structure comprises a first sealing structure (41) arranged on the periphery of the feeding hole (11) and a second sealing structure (42) arranged below the feeding hole (11), wherein the first sealing structure (41), the second sealing structure (42), the feeding hole (11), the supporting structure (2) and the material passing structure (3) form a cavity for accommodating a ton bag;
the supporting structure (2) is provided with a plurality of through holes (21) which can enable the pulverized coal to pass through but not the ton bag;
the discharging bin (1) is conical, and the included angle between the side wall of the discharging bin (1) and the horizontal plane is larger than the natural stacking angle of coal powder.
2. The pulverized coal ton bag opening device according to claim 1, characterized in that the side wall of the cavity is connected with a dust removing structure (5).
3. A pulverized coal conveying system, characterized by comprising the pulverized coal ton bag opening device according to any one of claims 1 or 2.
4. A pulverized coal conveying system according to claim 3, characterized by further comprising a fan (6) and a pulverized coal tank (7), wherein the discharge opening (12) is communicated with a venturi structure (8), and the venturi structure (8) is connected with the fan (6) and the pulverized coal tank (7) respectively.
5. The pulverized coal conveying system according to claim 4, characterized in that a powder conveying pipeline (9) is connected between the venturi tube structure (8) and the pulverized coal tank (7), and the powder conveying pipeline (9) is a seamless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107632.0A CN109677724B (en) | 2019-02-02 | 2019-02-02 | Pulverized coal ton bag opening device and conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107632.0A CN109677724B (en) | 2019-02-02 | 2019-02-02 | Pulverized coal ton bag opening device and conveying system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109677724A CN109677724A (en) | 2019-04-26 |
| CN109677724B true CN109677724B (en) | 2024-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910107632.0A Active CN109677724B (en) | 2019-02-02 | 2019-02-02 | Pulverized coal ton bag opening device and conveying system |
Country Status (1)
| Country | Link |
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| CN (1) | CN109677724B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196139A (en) * | 2016-08-29 | 2016-12-07 | 江苏双良锅炉有限公司 | A kind of coal dust feeding system with swinging conveying pipe |
| CN205972116U (en) * | 2016-08-17 | 2017-02-22 | 安徽盛运环保工程有限公司 | Broken bag feeder |
| WO2017197837A1 (en) * | 2016-05-19 | 2017-11-23 | 苏州舒而适纺织新材料科技有限公司 | Powder dye bag breaking device for textiles |
| CN108423454A (en) * | 2018-03-19 | 2018-08-21 | 亿利洁能科技有限公司 | Powder system in a kind of coal dust jumbo bag unpacking |
| CN108910198A (en) * | 2018-08-22 | 2018-11-30 | 大余明发矿业有限公司 | A kind of jumbo bag automatic discharge unit |
| CN209480168U (en) * | 2019-02-02 | 2019-10-11 | 北控清洁热力有限公司 | A kind of coal dust jumbo bag open the bag device and transportation system |
-
2019
- 2019-02-02 CN CN201910107632.0A patent/CN109677724B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017197837A1 (en) * | 2016-05-19 | 2017-11-23 | 苏州舒而适纺织新材料科技有限公司 | Powder dye bag breaking device for textiles |
| CN205972116U (en) * | 2016-08-17 | 2017-02-22 | 安徽盛运环保工程有限公司 | Broken bag feeder |
| CN106196139A (en) * | 2016-08-29 | 2016-12-07 | 江苏双良锅炉有限公司 | A kind of coal dust feeding system with swinging conveying pipe |
| CN108423454A (en) * | 2018-03-19 | 2018-08-21 | 亿利洁能科技有限公司 | Powder system in a kind of coal dust jumbo bag unpacking |
| CN108910198A (en) * | 2018-08-22 | 2018-11-30 | 大余明发矿业有限公司 | A kind of jumbo bag automatic discharge unit |
| CN209480168U (en) * | 2019-02-02 | 2019-10-11 | 北控清洁热力有限公司 | A kind of coal dust jumbo bag open the bag device and transportation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109677724A (en) | 2019-04-26 |
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