CN108423454A - Powder system in a kind of coal dust jumbo bag unpacking - Google Patents
Powder system in a kind of coal dust jumbo bag unpacking Download PDFInfo
- Publication number
- CN108423454A CN108423454A CN201810226152.1A CN201810226152A CN108423454A CN 108423454 A CN108423454 A CN 108423454A CN 201810226152 A CN201810226152 A CN 201810226152A CN 108423454 A CN108423454 A CN 108423454A
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- China
- Prior art keywords
- unpacking
- powder
- jumbo bag
- coal dust
- unpacking device
- 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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- 239000000843 powder Substances 0.000 title claims abstract description 102
- 239000002817 coal dust Substances 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000012716 precipitator Substances 0.000 claims abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 59
- 229910052757 nitrogen Inorganic materials 0.000 claims description 30
- 238000001816 cooling Methods 0.000 claims description 11
- 239000000428 dust Substances 0.000 abstract description 20
- 238000000151 deposition Methods 0.000 abstract 1
- 230000013011 mating Effects 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 20
- 108010066278 cabin-4 Proteins 0.000 description 11
- 241000282326 Felis catus Species 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000003912 environmental pollution Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- B65G69/181—Preventing escape of dust by means of sealed systems
- B65G69/182—Preventing escape of dust by means of sealed systems with aspiration means
-
- 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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
-
- 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
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
-
- 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
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
-
- 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
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
-
- 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
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
-
- 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
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention provides powder system in a kind of coal dust jumbo bag unpacking, including unpacking device, the unpacking device is equipped with dust-precipitator；Storehouse pumps, and the storehouse pump is connected positioned at the lower section of the unpacking device with the unpacking device；Feeder, the feeder are connected with storehouse pump；Powder cabin, the powder cabin are connected by Pneumatic conveying pipeline with storehouse pump；PLC control system, the PLC control system are connected with the unpacking device, storehouse pump, the feeder, the Pneumatic conveying pipeline, the powder cabin respectively, for providing operation control.The present invention is unpacked by unpacking device, mating to be conveyed using pneumatic carrier, using dust-precipitator depositing dust, can effectively avoid dust from diffusing, material pollution；Operation control is carried out using PLC control system, intelligence degree is high so that the present invention, which has, pollutes small, the high feature of intelligence degree.
Description
Technical field
The invention belongs to powder carry technical fields, specifically, the present invention relates to powder systems in a kind of coal dust jumbo bag unpacking
System.
Background technology
China is greatly developing the clean energy resourcies such as solar energy, wind energy, waterpower, combustion gas at present, but coal be still heating,
The main of the high energy consumptions industries such as power generation uses the energy.Because the application range of the clean energy resourcies such as solar energy, wind energy, waterpower, combustion gas,
Time and occasion are all limited, thus how to improve coal utilizaton rate and be more energy-saving and environmentally friendly using coal resources become one
A important topic.
Pulverized-coal fired boiler is that Germany succeeds in developing first in the nineties, is mainly used for building for warm industrial steam supply.On
End of the century China starts to research and develop new coal powder Industrial Boiler.Coal powder boiler combustion technology is mainly in the profit for improving coal resources
Use efficiency.And in high-efficiency pulverized coal boiler process system, coal powder conveying system is most important.Coal powder conveying system directly affects
Efficiency of combustion, the clean-up performance of coal dust resource burning and the energy conservation and environmental protection index of pulverized-coal fired boiler of pulverized-coal fired boiler.Currently, coal dust
The pulverized coal combustion of Industrial Boiler still has some technical barriers in Industrial Boiler application process, such as high-effective dust-removing, certainly
Dynamicization control etc..How to solve the problems, such as that dust diffuses, material pollutes, and effectively realizes delivery system in the transmission process of coal dust
The intelligence of system becomes the hot spot that major energy enterprise falls over each other research.
The coal powder conveying system of the prior art relies primarily on tank car transport when carrying out the long-distance sand transport of coal dust, in tank car
Often empty wagons returns when carrying out back goods, and high surcharge makes the cost of coal dust be significantly increased.Also, in turning for coal dust
Often with a large amount of dust when transporting, toppling over, it is easy that environment is caused seriously to pollute, and endanger the health of operator, in coal
In the transmission process of powder, each key link generally requires manual control, and intelligence degree is low.
According to the above analysis it is found that the coal powder conveying system of the prior art has the following disadvantages：
1, the coal powder conveying system of the prior art is easy when carrying out the transhipment of coal dust, toppling over often with a large amount of dust
Cause environmental pollution；
2, in the transmission process of coal dust, each key link generally requires manually to control the coal powder conveying system of the prior art
System, intelligence degree are low.
Invention content
The present invention provides powder systems in a kind of coal dust jumbo bag unpacking, at least to solve coal powder conveying system in the prior art
The technical issues of be easy to causeing environmental pollution, while the skill that coal powder conveying system intelligence degree is low in the prior art can also be solved
Art problem.
To solve the above-mentioned problems, the present invention provides powder system in a kind of coal dust jumbo bag unpacking, its technical solution is as follows：
Powder system in a kind of coal dust jumbo bag unpacking, including unpacking device, the unpacking device is equipped with dust-precipitator, described to tear open
Blanking bin is installed below bagging apparatus；Storehouse pumps, storehouse pump positioned at the lower section of the unpacking device, and with the blanking bin phase
Even；Feeder, the feeder are connected with storehouse pump；Powder cabin, the powder cabin pass through Pneumatic conveying pipeline and the storehouse
Pump is connected, the powder cabin and external boiler；PLC control system, the PLC control system respectively with the unpacking device, described
Storehouse pump, the feeder, the Pneumatic conveying pipeline, the powder cabin are connected, for providing operation control.
Powder system in such as above-mentioned coal dust jumbo bag unpacking, further preferably：Further include deduster, the deduster installation
In the powder cabin, for providing dedusting.
Powder system in such as above-mentioned coal dust jumbo bag unpacking, further preferably：Further include hanging apparatus, the hanging apparatus
On the unpacking device, for being lifted to jumbo bag.
Powder system in such as above-mentioned coal dust jumbo bag unpacking, further preferably：The hanging apparatus include lifting cucurbit and
Lift cucurbit track girder；The lifting cucurbit track girder is mounted on the top of the unpacking device；The lifting cucurbit is mounted on
On the lifting cucurbit track girder, the lifting cucurbit is equipped with Lift hook and steel wire rope, and the wirerope-winding is in the lifting
On cucurbit, the Lift hook is mounted on the steel wire rope, and the hanging apparatus is for lifting jumbo bag.
Powder system in such as above-mentioned coal dust jumbo bag unpacking, further preferably：Cabling is offered at the top of the unpacking device
Slot installs position sensor on the cabling channel；The position sensor is used to detect the position of jumbo bag.The cabling channel
Edge is equipped with rubber gasket, and the rubber gasket can be sealed the cabling channel, avoid dust by it is described walk
Wire casing overflows.
Powder system in such as above-mentioned coal dust jumbo bag unpacking, further preferably：Further include triggering-type self-locking ceiling cover board, institute
It states triggering-type self-locking ceiling cover board and is mounted on the top of the unpacking device, and self-lock switch is installed, the triggering-type self-locking
Ceiling cover board is for being sealed the cabling channel.Fire-proof motor and Duo Lian are installed on the triggering-type self-locking ceiling cover board
Rod structure, the fire-proof motor is for providing overturning power；The multi-link structure is connected with the fire-proof motor, for completing
Switching motion.
Powder system in such as above-mentioned coal dust jumbo bag unpacking, further preferably：Further include discharger, the discharger installation
Between the unpacking device and storehouse pump, for providing powder flow control.
Powder system in such as above-mentioned coal dust jumbo bag unpacking, further preferably：Level switch is installed on the storehouse pump, institute
Level switch is stated for providing material-level measure.
Powder system in such as above-mentioned coal dust jumbo bag unpacking, further preferably：Further include control valve, the control valve
On the Pneumatic conveying pipeline, for providing flow-rate adjustment.
Powder system in such as above-mentioned coal dust jumbo bag unpacking, further preferably：The feeder includes nitrogen making machine, cooling
System and air accumulator；The nitrogen making machine is for producing nitrogen；The cooling system is connected with the nitrogen making machine, for nitrogen into
Row cooling；Described air accumulator one end is connected with the cooling system by pipeline, and the other end is pumped with the storehouse to be connected by pipeline.
Powder system in such as above-mentioned coal dust jumbo bag unpacking, further preferably：Further include cat ladder, the cat ladder is torn open with described
Bagging apparatus is connected, and the cat ladder is for providing observation position.
Analysis is it is found that compared with prior art, the advantages of the present invention are：
1, powder system unpacks to jumbo bag by closed unpacking device in coal dust jumbo bag unpacking provided by the invention, solution
Powder ingress of air of having determined is easy the security risk of explosion, to improve the security performance of the present invention, three surface sides of unpacking device
It is mounted on dust-precipitator on wall, can effectively reduce dust pollution when unpacking；Powder carry, storehouse are carried out using pneumatic carrier
Pump provides conveying power, and transportation cost is low, can effectively avoid dust from diffusing, material pollution；It is transported using PLC control system
Row control is not necessarily to artificially excessively intervene, so that the present invention has, pollution is small, intelligence degree is high, at low cost, safe
The characteristics of.
2, the discharger of powder system can effectively be sealed unpacking device in coal dust jumbo bag unpacking provided by the invention, and
The erratic behavior for avoiding unpacking device powder from falling；Control valve is convenient for adjusting the powder carry amount of Pneumatic conveying pipeline
Section, to control powder carry rate so that the present invention has the characteristics that operate steadily, is convenient for adjusting.
3, powder system using lifting cucurbit and lifts cucurbit track girder to jumbo bag in coal dust jumbo bag unpacking provided by the invention
It is lifted, is convenient for the handling of jumbo bag, lifting cucurbit that can be convenient for the handling of jumbo bag along lifting cucurbit track girder sliding so that
The present invention has the characteristics that easy to operation, operational efficiency is high.
Description of the drawings
Fig. 1 is the connection diagram of powder system in coal dust jumbo bag unpacking provided by the invention.
Fig. 2 is the hanging apparatus scheme of installation of the present invention.
In figure：1- dust-precipitators；2- lifts cucurbit track girder；3- unpacking devices；4- powder cabins；5- Pneumatic conveying pipelines；6- is removed
Dirt device；7- nitrogen making machines；8- air accumulators；9- cat ladders；The storehouses 10- pump；11- dischargers；12- blanking bins；13- lifts cucurbit.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides powder system in a kind of coal dust jumbo bag unpacking, including unpacking device 3, unpacking device
3 are equipped with dust-precipitator 1, and the lower section of unpacking device 3 is equipped with blanking bin 12；Storehouse pump 10, storehouse pump 10 are located under unpacking device 3
Side, and be connected with blanking bin 12；Feeder, feeder are connected with storehouse pump 10；Powder cabin 4, powder cabin 4 pass through Pneumatic conveying pipeline
5 are connected with storehouse pump 10, and powder cabin 4 is simultaneously connected with external boiler；PLC control system, PLC control system respectively with unpacking device 3, storehouse
Pump 10, feeder, Pneumatic conveying pipeline 5, powder cabin 4 are connected, for providing operation control.
Specifically, the unpacking device 3 of powder system is square setting in coal dust jumbo bag unpacking provided by the invention, on side wall
Equipped with hatch door, hatch door offers ventilation hole, Mei Getong respectively for providing feeding position on three side walls corresponding with hatch door
Air holes corresponds to a dust-precipitator 1, and dust-precipitator 1 is selected bagroom, absorbed convenient for the dust to diffusion when unpacking,
Dust recycling is reduced, avoids causing environmental pollution；The bottom of unpacking device 3 is disposed with triangular knife and cuts open packet device, when jumbo bag is transferred
Jumbo bag can be cut, be convenient for the dispensing of powder；Storehouse pump 10 is mounted on the lower section of unpacking device 3, and passes through pipeline and blanking bin
12 are connected, for providing conveying power；Feeder is connected with storehouse pump 10 by pipeline, convenient for providing conveying gas；Pneumatic transporting
5 one end of pipeline and the bottom of storehouse pump 10 is sent to be connected, the other end is connected with the top of powder cabin 4, for providing powder carry, PLC controls
System processed is connected with unpacking device 3, storehouse pump 10, feeder, Pneumatic conveying pipeline 5, powder cabin 4 respectively, each convenient for control powder
The operation of conveying process.The present invention unpacks to jumbo bag by closed unpacking device 3, solves powder ingress of air and is easy
The security risk of explosion is mounted on dust-precipitator 1 on three surface side walls of unpacking device 3, can effectively reduce dust when unpacking
Pollution；Powder is packed using jumbo bag, train or general wagon is used when transport, transportation cost is low, coal dust energy per ton
It is cost-effective 100 yuan or so enough, while powder carry is carried out using pneumatic carrier 5, and power is provided using storehouse pump 10, it can
Effectively dust is avoided to diffuse, material pollution, additionally it is possible to prevent coal dust ingress of air spontaneous combustion；It is run using PLC control system
Control, without artificial excessive intervention, so that the present invention has, environmental pollution is small, intelligence degree is high, at low cost, safety
High feature.
In order to improve the dust removing effects of the present invention, as shown in Figure 1, the invention also includes deduster 6, deduster is mounted on powder
On storehouse 4, for providing dedusting.After the powder of the present invention and the mixture of nitrogen enter powder cabin 4, pressure gradually increases in powder cabin 4,
Nitrogen is discharged above powder cabin 4, and when being arranged outside nitrogen, deduster 6 can be filtered the nitrogen of discharge, to effectively reduce
It is discharged into the dust of air, the dust removing effects of the present invention are improved, so that the present invention has the characteristics that good dedusting effect.
In order to improve the working efficiency of the present invention, as depicted in figs. 1 and 2, the invention also includes hanging apparatus, hanging apparatus
On unpacking device 3, for being lifted to jumbo bag.The hanging apparatus of the present invention is mounted on the top of unpacking device 3,
Jumbo bag can be lifted in the transportational process of jumbo bag, the working efficiency of the present invention be improved, so that the present invention has
The characteristics of work efficiency is high.
In order to keep the present invention easy to operation, as shown in Fig. 2, the hanging apparatus of the present invention includes lifting cucurbit 13 and lifting calabash
Reed track girder 2；Lift the top that cucurbit track girder 2 is mounted on unpacking device 3；It lifts cucurbit 13 and is mounted on lifting cucurbit track girder
On 2, for being lifted to jumbo bag.The lifting cucurbit 13 of the present invention is with lifting cucurbit track girder 2 by the way of being flexibly connected
It is installed, lifting cucurbit 13 can slide along lifting cucurbit track girder 2, and lifting cucurbit 13 is equipped with Lift hook and steel wire rope, hangs
Setting hook is installed on a steel cord, for providing Hoisting Position；Wirerope-winding is on lifting cucurbit 13, convenient for jumbo bag in vertical side
To transport, the present invention lifts jumbo bag by using lifting cucurbit 13 and 2 matched mode of lifting cucurbit track girder,
Easy to operate convenient for the handling of jumbo bag, operational efficiency is high, so that the present invention has spy easy to operation, operational efficiency is high
Point.
In order to make the present invention convenient for operation, and facilitate detection, as shown in Fig. 2, 3 top of unpacking device of the present invention offers
Cabling channel installs position sensor on cabling channel；Position sensor is used to detect the position of jumbo bag.The edge of cabling channel is set
There are rubber gasket, rubber gasket that can be sealed to cabling channel, dust is avoided to be overflowed by cabling channel.The cabling of the present invention
The width of slot is more than the diameter of the steel wire rope of lifting cucurbit 13, consequently facilitating jumbo bag enters in unpacking device 3, convenient for operation；
Position sensor is installed on the cabling channel of the present invention, the position signal of steel wire rope can be incuded, to pass through PLC control system
Judgement, the accurate physical location for detecting jumbo bag so that the present invention have the characteristics that operation it is convenient, convenient for detecting.
In order to improve the air-tightness of the present invention, as shown in Figure 1, the invention also includes triggering-type self-locking ceiling cover board, triggering
Formula self-locking ceiling cover board is mounted on the top of unpacking device 3, and is equipped with self-lock switch, triggering-type self-locking ceiling cover board for pair
Cabling channel is sealed.Fire-proof motor and multi-link structure are installed, fire-proof motor is for carrying on triggering-type self-locking ceiling cover board
For the overturning power of triggering-type self-locking ceiling cover board；Multi-link structure is connected with fire-proof motor, for completing triggering-type self-locking top
The opening and closing of canopy cover board act.Self-lock switch is installed on the triggering-type self-locking ceiling cover board of the present invention, in lifting cucurbit
13 steel wire rope reaches behind designated position (i.e. jumbo bag reaches setting position), and steel wire rope triggers self-lock switch, at this time fire-proof motor
It drives multi-link structure to act, unlatching or the pass of triggering-type self-locking ceiling cover board is completed under the control of PLC control system
It closes, effectively improves the air-tightness of the present invention, overflowed from unpacking device 3 to further avoid dust so that the present invention has
The high feature of air-tightness.
In order to make the present invention operate steadily, as depicted in figs. 1 and 2, the invention also includes discharger 11, discharger 11 is installed
Between unpacking device 3 and storehouse pump 10, for providing flow control.The discharger 11 of the present invention is Star-like unloader, by rotation
The impeller turned plays a part of conveying material, while being effectively sealed to unpacking device 3, prevents nitrogen in process of pneumatic transmission
Unpacking device 3 is entered by storehouse pump 10, to which the even running of the present invention be effectively ensured, while 3 powder of unpacking device can be avoided
The erratic behavior of whereabouts effectively adjusts powder falling amount so that the present invention has the characteristics that operate steadily.
In order to make the present invention convenient for control, as shown in Figure 1, being equipped with level switch on the storehouse pump 10 of the present invention, material position is opened
It closes for providing material-level measure.The level switch of the present invention can incude the level signals of powder in storehouse pump 10 in real time, and material position is opened
Pass is connected with PLC control system, by the logic judgment of PLC control system, can derive the practical material position in export pump 10, to
PLC control system carries out positive feedback, under the control of PLC control system, completes the charging or discharging of storehouse pump 10, consequently facilitating
It carries out automatically controlling so that the present invention has the characteristics that convenient for control.
In order to make the present invention convenient for adjusting, as shown in Figure 1, the invention also includes control valve, control valve is mounted on gas
On power conveyance conduit 5, for providing flow-rate adjustment.The present invention by the installation and adjustment valve on Pneumatic conveying pipeline 5, convenient for pair
The powder carry amount of Pneumatic conveying pipeline 5 is adjusted, to effectively control the powder carry rate of the present invention so that the present invention
Have the characteristics that convenient for adjusting.
It is of the invention safe and reliable in order to make, as shown in Figure 1, the feeder of the present invention include nitrogen making machine 7, cooling system and
Air accumulator 8；Nitrogen making machine 7 is for producing nitrogen；Cooling system is connected with nitrogen making machine 7, for being cooled down to nitrogen；Air accumulator 8
One end is connected with cooling system by pipeline, and the other end is connected with storehouse pump 10 by pipeline.The present invention passes through nitrogen making machine 7 and cooling
System produces the nitrogen needed for Geldart-D particle, can ensure that the quality of nitrogen, nitrogen are stored in air accumulator 8, be set in air accumulator 8
When carrying out nitrogen conveying easily by nitrogen conveying warehouse entry pump 10 powder can will not occur for the pressure for having superatmospheric
Expect the phenomenon that suck-back is into air accumulator 8 so that the present invention has the characteristics that safe and reliable.
In order to make the present invention convenient for monitoring, as shown in Figure 1, the invention also includes cat ladder 9, cat ladder 9 and 3 phase of unpacking device
Even, cat ladder 9 is for providing observation position.The present invention is stood by installing cat ladder 9 in 3 side-lower of unpacking device convenient for artificial
It is observed on cat ladder 9, the operation conditions of convenient artificial random sampling observation unpacking device, so that the present invention has convenient for monitoring
The characteristics of.
As depicted in figs. 1 and 2, it elaborates below to the course of work of the present invention：
The present invention lifts jumbo bag by lifting cucurbit 13, and lifting cucurbit 13 slides into unpacking along lifting cucurbit track girder 2 and fills
In setting 3, the steel wire rope of lifting cucurbit 13 triggers self-lock switch when reaching setting position, and triggering-type self-locking ceiling cover board closes at this time
Close, lifting cucurbit 13 position signal incuded by position sensor after, PLC control system by logic judgment control hatch door close
It closes, the triangular knife that jumbo bag falls to unpacking device 3 cuts open on packet device, and jumbo bag bottom is cut open by dead weight, and powder falls into unpacking device 3
Bottom；Powder is progressed into storehouse by discharger 11 and is pumped in 10, and feeder is for providing low temperature nitrogen, the pump 10 in storehouse
Under conveying effect, the mixture of nitrogen and powder is entered along pneumatic carrier 5 in powder cabin 4.Dust-precipitator 1 on unpacking device 3
For providing adsorbing powder dust, the deduster 6 in powder cabin 4 is for being filtered nitrogen, the control valve on Pneumatic conveying pipeline 5
For adjusting powder carry flow, PLC control system incudes the position of jumbo bag, the fortune of control lifting cucurbit by position sensor
Row, PLC control system is simultaneously connected with level switch, self-lock switch, discharger 11, control valve respectively, for providing reciprocal fortune
Row control.
Analysis is it is found that compared with prior art, the advantages of the present invention are：
1, powder system unpacks to jumbo bag by closed unpacking device in coal dust jumbo bag unpacking provided by the invention, solution
Powder ingress of air of having determined is easy the security risk of explosion, to improve the security performance of the present invention, three surface sides of unpacking device
It is mounted on dust-precipitator on wall, can effectively reduce dust pollution when unpacking；Powder carry, storehouse are carried out using pneumatic carrier
Pump provides conveying power, and transportation cost is low, can effectively avoid dust from diffusing, material pollution；It is transported using PLC control system
Row control is not necessarily to artificially excessively intervene, so that the present invention has, pollution is small, intelligence degree is high, at low cost, safe
The characteristics of.
2, the discharger of powder system can effectively be sealed unpacking device in coal dust jumbo bag unpacking provided by the invention, and
The erratic behavior for avoiding unpacking device powder from falling；Control valve is convenient for adjusting the powder carry amount of Pneumatic conveying pipeline
Section, to control powder carry rate so that the present invention has the characteristics that operate steadily, is convenient for adjusting.
3, powder system using lifting cucurbit and lifts cucurbit track girder to jumbo bag in coal dust jumbo bag unpacking provided by the invention
It is lifted, is convenient for the handling of jumbo bag, lifting cucurbit that can be convenient for the handling of jumbo bag along lifting cucurbit track girder sliding so that
The present invention has the characteristics that easy to operation, operational efficiency is high.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, all things considered are all merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (10)
1. powder system in a kind of coal dust jumbo bag unpacking, which is characterized in that including：
Unpacking device, the unpacking device are equipped with dust-precipitator；
Storehouse pumps, and the storehouse pump is connected positioned at the lower section of the unpacking device with the unpacking device；
Feeder, the feeder are connected with storehouse pump；
Powder cabin, the powder cabin are connected by Pneumatic conveying pipeline with storehouse pump；
PLC control system, the PLC control system respectively with the unpacking device, storehouse pump, the feeder, described
Pneumatic conveying pipeline, the powder cabin are connected, for providing operation control.
2. powder system in coal dust jumbo bag unpacking according to claim 1, which is characterized in that further include：
Deduster, the deduster is mounted in the powder cabin, for providing dedusting.
3. powder system in coal dust jumbo bag unpacking according to claim 1 or 2, which is characterized in that further include：
Hanging apparatus, the hanging apparatus is mounted on the unpacking device, for being lifted to jumbo bag.
4. powder system in coal dust jumbo bag unpacking according to claim 3, it is characterised in that：
The hanging apparatus includes lifting cucurbit and lifting cucurbit track girder；The lifting cucurbit track girder is mounted on the unpacking
The top of device；The lifting cucurbit is mounted on the lifting cucurbit track girder, for being lifted to jumbo bag.
5. powder system in coal dust jumbo bag unpacking according to claim 1 or 2, it is characterised in that：
Cabling channel is offered at the top of the unpacking device, position sensor is installed on the cabling channel；The position sensor
Position for detecting jumbo bag.
6. powder system in coal dust jumbo bag unpacking according to claim 5, which is characterized in that further include：
Triggering-type self-locking ceiling cover board, the triggering-type self-locking ceiling cover board are mounted on the top of the unpacking device, and install
There is self-lock switch, the triggering-type self-locking ceiling cover board is for being sealed the cabling channel.
7. powder system in coal dust jumbo bag unpacking according to claim 1 or 2, which is characterized in that further include：
Discharger, the discharger is mounted between the unpacking device and storehouse pump, for providing flow control.
8. powder system in coal dust jumbo bag unpacking according to claim 1 or 2, it is characterised in that：
Level switch is installed on the storehouse pump, the level switch is for providing material-level measure.
9. powder system in coal dust jumbo bag unpacking according to claim 1 or 2, which is characterized in that further include：
Control valve, the control valve is mounted on the Pneumatic conveying pipeline, for providing flow-rate adjustment.
10. powder system in coal dust jumbo bag unpacking according to claim 1 or 2, it is characterised in that：
The feeder includes nitrogen making machine, cooling system and air accumulator；The nitrogen making machine is for producing nitrogen；The cooling system
System is connected with the nitrogen making machine, for being cooled down to nitrogen；Described air accumulator one end passes through pipeline phase with the cooling system
Even, the other end pumps with the storehouse and is connected by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810226152.1A CN108423454A (en) | 2018-03-19 | 2018-03-19 | Powder system in a kind of coal dust jumbo bag unpacking |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810226152.1A CN108423454A (en) | 2018-03-19 | 2018-03-19 | Powder system in a kind of coal dust jumbo bag unpacking |
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| CN108423454A true CN108423454A (en) | 2018-08-21 |
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| CN201810226152.1A Pending CN108423454A (en) | 2018-03-19 | 2018-03-19 | Powder system in a kind of coal dust jumbo bag unpacking |
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