CN109939522A - A kind of dust removal unit - Google Patents
A kind of dust removal unit Download PDFInfo
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- CN109939522A CN109939522A CN201910220372.8A CN201910220372A CN109939522A CN 109939522 A CN109939522 A CN 109939522A CN 201910220372 A CN201910220372 A CN 201910220372A CN 109939522 A CN109939522 A CN 109939522A
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Abstract
The invention discloses a kind of dust removal units, it is applied in spiral conveyer, including, air supply tube, air supply tube one end is connected to the first transfer passage, and the other end is connected to the air outlet of exhaust fan, and the air inlet of exhaust fan is connected to by the second tracheae with the gas outlet of cleaning device, the air inlet of cleaning device is connected to by the first tracheae with suction ventilator air outlet, and suction ventilator air inlet is connected to by third tracheae with discharge nozzle.Dust removal unit of the invention is by water-washing method dedusting, and high-efficient, effect is good, and the water after dedusting to save water resource, while can also realize that sedimentation basin automates blowdown, return water by that can be recycled after precipitating.
Description
Technical field
The present invention relates to material transfer equipments, more particularly to a kind of dust removal unit applied in spiral conveyer.
Background technique
In mine, the conveying of coal mine generally passes through mine car or conveyer belt is conveyed, and mine car needs are loaded one by one,
It is cumbersome, and efficiency is relatively low, but it is suitble to long distance delivery；Conveyer belt, which is able to carry out, to be continuously conveyed, but its conveying capacity
Small and comparatively volume is bigger than normal, fugitive dust is very big, improper underground sealed environment.
Although this equipment is only suitable for short distance conveying currently, the equipment for having part to convey by screw conveyor,
And in long distance delivery, since tunnel can not be smooth vertical and horizontal, it is therefore desirable to carry out certain bending, but this equipment is but
It cannot be bent, although to cause that this equipment has many advantages, such as to be continuously conveyed, conveying capacity is big, fugitive dust is small, at low cost, simultaneously
Coal mine conveying cannot be widely used in.
With had disclosed in the Chinese invention patent application of the same application of this case, entitled " a kind of spiral conveyer "
The technical solution that solves the above problems, and this case will mainly solve the problems, such as that its dust in conveying is larger.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide a kind of dust removal unit,
It is dusted by way of washing, it is hereby achieved that preferable dust removing effects.
To achieve the above object, it the present invention provides a kind of dust removal unit, applies in spiral conveyer, including,
Air supply tube, air supply tube one end are connected to the first transfer passage, and the other end is connected to the air outlet of exhaust fan, the air inlet of exhaust fan
It is connected to by the second tracheae with the gas outlet of cleaning device, the air inlet of cleaning device passes through the first tracheae and suction ventilator air outlet
Connection, suction ventilator air inlet are connected to by third tracheae with discharge nozzle.
Preferably, second tracheae is also connected to tonifying Qi valve air gate, and aeration valve air inlet is communicated with the atmosphere.
Preferably, the cleaning device, including, service sink, cleaning inner cavity is in service sink inside and service sink outside is set
It is equipped with detection pipe, is detection inner tube inside detection pipe, the cleaning inner cavity is connected to by inclined tube with detection inner tube；
The service sink is equipped with water, and the first tracheae enters below the water surface, and cleans inner cavity and be located at below this water surface and first
The second hole pattern is provided between tracheae bottom end face；
Be additionally provided with the first hole pattern above the water surface, cleaning inner cavity be located at the first hole pattern top be provided with spray head and with the first water pipe
Connection, the first water pipe are used to be introduced into external water source in cleaning inner cavity；
The spray head is connected to by the second water pipe with booster water pump water outlet, and booster water pump water inlet is connected to external water source,
The cleaning inner cavity is displaced above the first hole pattern and is connected to the second tracheae；
Water-level gauge is installed in the detection inner tube, and detects inner tube and is also connected to backwash tube, backwash tube and external water
Source connection；
The cleaning intracavity bottom is connected to by third water pipe with the first pump intake, and third pumping drainage mouth passes through the 4th
Water pipe is connected to the precipitating inner cavity inside sedimentation basin.
Preferably, the first hole screen distance is not more than 2-4 millimeters, and pitch of holes is less than 0.8 millimeter.
Preferably, the detection inner tube bottom surface at least above cleans 0.5 meter of inner chamber bottom surface, and inclined tube is by bottom of chamber in cleaning
Portion tilts upward setting to detection bottom of inner tube.
Preferably, the detection bottom of inner tube is provided with multilayer third hole pattern, and the mesh of each layer third hole pattern is not coaxial.
Preferably, the precipitating water come is pumped equipped with cleaning inner cavity in the precipitating inner cavity, and intracavitary is also equipped in precipitating
Another water-level gauge, turbidity transducer, precipitating water water surface lower section are connected to the 6th water pipe bottom, and turbidity transducer is mounted on the 6th water
Near bottom of the tube, and the turbidity for detecting precipitating water, and the water-level gauge being mounted in precipitating inner cavity is used to detect precipitating water
Water level；
The precipitating intracavity bottom passes through the inlet communication of the 5th water pipe and slush pump, the outlet of slush pump and screw squeezer
Inlet communication, screw squeezer will precipitate in the mud of intracavitary precipitating extract, and waste residue after extruding is discharged from scum pipe, gives up
Water is expelled in another sedimentation basin from drainpipe and is precipitated；
It is connected at the top of 6th water pipe with the water inlet of the second water pump, the discharge outlet of the second water pump and the 7th water pipe one end connect
Logical, the 7th water pipe is connected to the reservoir of storage external water source.
Preferably, the water-level gauge, including, shell, interior of shell is hollow, bottom opening inner cavity, interior intracavitary solid
Surely there is demarcation plate, and inner cavity is located at demarcation plate lower section and is equipped with floating head；
It raises the nose above water to breathe to fix with the assembly of drive rod one end, the drive rod other end is assembled with triggering block after demarcation plate and fixed, and is raised the nose above water to breathe
Resistance spring is provided between demarcation plate, resistance spring is mobile to demarcation plate for hindering to raise the nose above water to breathe；
Induction box is installed above the interior intracavitary, demarcation plate, is hollow induction inner cavity inside induction box, and incude inner cavity
Bottom is sealed by elastic covering.
Preferably, connection ring is fixed on the inside of the elastic covering, connection ring and the assembly of inductive axis one end are fixed, and are incuded
Stressed plate is passed through after the axis other end and reset spring suit and drive ring assembly is fixed, and stressed plate is fixed on cavity wall in induction
On；
Driving plate is installed on the drive ring, conducting block, the conducting block and conduction are provided in the driving plate
Slot is conductive, slidably assembles, and conductive trough is arranged on the supporting plate；
The conducting block and the second conducting wire are conductively connected, and described conductive trough one end and the first conducting wire are conductively connected.
Preferably, the first conducting wire is connect with constant-current source positive conductive, and after constant-current source cathode is in series with a resistor and ammeter is negative
Pole incoming end is conductively connected, and ammeter anode incoming end and the second conducting wire are conductively connected, and ammeter signal end and PLC signal end
Communication connection.
The beneficial effects of the present invention are:
Dust removal unit of the invention is by water-washing method dedusting, and high-efficient, effect is good, and the water after dedusting passes through energy after precipitating
It is enough to be recycled, to save water resource, while it can also realize that sedimentation basin automates blowdown, return water.
Spiral conveyer structure of the invention is simple, due to that can carry out certain bending, can be adapted for big
Majority conveying occasion, in conjunction with the advantages of auger conveying equipment, this design is far superior to existing conveyer belt and mine car conveying, tool
There is preferable market promotion prospect.And the present invention is applicable not only to underground, is equally applicable to outside well, and it, can when applying outside well
To substantially reduce fugitive dust, and its conveying capacity is not weaker than current conveyer belt, therefore, has the premise for replacing conveyer belt conveying,
Meet and currently requires that increasingly strict environmental regulations.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is enlarged drawing at F1 in Fig. 1.
Fig. 3 is the end cross-sectional figure that the first delivery pipe of the invention is located at the first support bar.
Fig. 4 is the structural schematic diagram increased after coupling band of the invention.
Fig. 5 is dust removal unit structural schematic diagram of the invention.
Fig. 6 is water-level gauge structural schematic diagram of the invention.
Fig. 7 is enlarged drawing at F2 in Fig. 6.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Referring to Fig. 1-Fig. 7, the spiral conveyer of the present embodiment, including, the first delivery pipe 100, the second delivery pipe 200, third
Delivery pipe 300 is the first hollow transfer passage 101 inside first delivery pipe 100, and in the first transfer passage 101
First screw-conveyer-shaft 120 is installed, the first blade 130 of multiple spiral settings, the first screw-conveyer-shaft are installed on the first screw-conveyer-shaft 120
120 one end are pierced by after the first delivery pipe 100 and can be rotated with the output axis connection of first motor 110, the other end and the first axle sleeve 160
Assembly, the first axle sleeve 160 is fixed in the first transfer passage 101 by the first support bar 150, and the first support bar 150 is at least
There are two, is to pass through gap 102 between two the first support bars 150.In use, first motor is powered, the first screw-conveyer-shaft is driven
120 circumferentially rotate, so that the rotation of the first blade 130 of driving, to convey coal mine, conveying direction is axial in the first transfer passage 101
Upper, past third delivery pipe 300；
Described 101 one end of the first transfer passage is connected to feed pipe 140, in use, logical to the first conveying by feed pipe 140
Road 101 inputs coal mine, is then conveyed by the rotation of the first blade；
It is the second hollow transfer passage 201 inside second delivery pipe 200, and is equipped in the second transfer passage 201
Second screw-conveyer-shaft 220 is equipped with the second blade 230 of multiple spirals settings, the second screw-conveyer-shaft 220 1 on second screw-conveyer-shaft 220
End is pierced by output axis connection, the other end and the second rotatably assembly of axle sleeve 160 after the second delivery pipe 200 with the second motor 210,
Second axle sleeve 260 is fixed in the second transfer passage 201 by the second support bar 250.In use, the second electrical power, driving
Second screw-conveyer-shaft 220 circumferentially rotates, so that the rotation of the second blade 230 of driving, to convey coal mine, conveying direction is in the second conveying
Axial upper, past second motor 210 in channel 201.Preferably, the structure of second delivery pipe 200 and 100 knot of the first delivery pipe
Structure is identical.
Described 201 one end of the second transfer passage is connected to discharge nozzle 240, in use, defeated by second by discharge nozzle 240
The coal mine in channel 201 is sent to export；
It is hollow third transfer passage 301 inside third delivery pipe 300, third auger is installed in third transfer passage 301
Axis 310, is fixed with the third blade 320 of spiral setting on third screw-conveyer-shaft 310, and 310 both ends of third screw-conveyer-shaft are respectively with the
The three rotatably assembly of axle sleeve 350, third axle sleeve 350 are fixed in third transfer passage 301 by third support bar 340；Third
300 both ends of delivery pipe are respectively arranged with third flange 330；
First delivery pipe 100 is provided with first flange 170 on 300 one end of third delivery pipe, and the first screw-conveyer-shaft 120 is close
300 one end of third delivery pipe is connect by shaft coupling 510 with 310 one end of third screw-conveyer-shaft, so that and the first screw-conveyer-shaft 120
When rotation, third screw-conveyer-shaft 310 can be driven to synchronize, circumferentially rotate by shaft coupling 510；
Second delivery pipe 200 is provided with second flange 270 on 300 one end of third delivery pipe, and the second screw-conveyer-shaft 220 is close
300 one end of third delivery pipe is connect by shaft coupling 510 with 310 other end of third screw-conveyer-shaft, so that and the 2nd screw-conveyer-shaft
When 220 rotation, third screw-conveyer-shaft 310 can be driven to synchronize, circumferentially rotate by shaft coupling 510；
In the present embodiment, first motor, the second motor are synchronous motor, are rotated synchronously, and revolving speed is identical.And in the present embodiment
Shaft coupling can using universal joint substitute.
300 both ends of third delivery pipe pass through connecting tube 400 and the first delivery pipe 100, the second delivery pipe 200 respectively
Connection, 400 both ends of connecting tube are respectively arranged with connecting flange 410, pass through bellows between two connecting flanges 410
420 connections, the bellows 420 is flexible, folds；
The first flange 170 is assembled by bolt 430 and the connecting flange 410 of 400 one end of connecting tube and is fixed, this connecting tube
It is fixed between the connecting flange 410 and third flange 330 of 400 other ends by the assembly of other bolts 430, to realize connecting tube
400 are connected to the first delivery pipe with third delivery pipe one end；
Second flange 270 is assembled also by bolt and the connecting flange 410 of one end of another connecting tube 400 and is fixed；This connecting tube
It is fixed between the connecting flange 410 of 400 other ends and another third flange 330 by the assembly of other bolts 430, thus the company of realization
Second delivery pipe is connected to by adapter tube 400 with third delivery pipe one end.
When installation, since bellows 420 can be bent, fold, the first delivery pipe, the second delivery pipe and third are defeated
Certain bending can be formed by sending between pipe, to be adapted to different landform.Simultaneously as the first screw-conveyer-shaft 120, second twists
Imperial axis 220 is connect by shaft coupling 510 with 310 both ends of third screw-conveyer-shaft respectively, so that the first screw-conveyer-shaft 120, second twists
Imperial axis 220, third screw-conveyer-shaft 310 can be synchronized, be circumferentially rotated, that is, the first blade 130, the second blade 230, third blade
320 can circumferentially rotate to convey coal mine.Since the first delivery pipe, the second delivery pipe, third delivery pipe seal against each other connection, because
This, when conveying, dust will not be excessive, so that fugitive dust is substantially reduced, to protect operator's health, reduce environmental pollution.Finally,
Coal mine is expelled to destination from discharge nozzle 240.
Preferably, the feed pipe 140 is connected to 520 bottom of the first feeding funnel, and the first feeding funnel 520 is taper, and
Bottommost sectional area is minimum.In use, directly coal mine can be toppled in the first feeding funnel 520, so that coal mine passes through first
Feeding funnel 520 is directed into feed pipe 140, in order to convey.
Preferably, first feeding funnel, 520 top is connected to 530 discharge port of crusher, 530 feed inlet of crusher and
The connection of second feeding funnel, 540 bottom, the second feeding funnel 540 is taper, and bottommost sectional area is minimum.In use, due to coal mine
There may be biggish bulk, size, which may cause, can not be threaded through gap 102, therefore, be broken for by crusher 530
It can be threaded through 102 particle of gap, to prevent from blocking.
It preferably, is stacking platform 550 at the top of the second feeding funnel 540, in use, coal mine is temporarily deposited in stacking platform
On 550, then conveyed into the second feeding funnel 540.
Preferably, coal mine blocks at connecting tube 400 in order to prevent, can be set with outside shaft coupling 510, is fixed
Coupling band 511 is fixed with turning blade 512 on coupling band 511, in use, shaft coupling 510 drives coupling band 511 to synchronize circumferential direction
Rotation, to drive turning blade 512 to rotate, to convey to the coal mine at connecting tube 400.Certainly, this design can need
It just can be carried out after shaft coupling installation, to prevent the adjustment of interference shaft coupling.
Preferably, in order to further decrease fugitive dust, present invention also adds dust removal unit, the dust removal unit, including,
Air supply tube 824,824 one end of air supply tube are connected to the first transfer passage 101, and the other end is connected to the air outlet of exhaust fan 630, are taken out
The air inlet of blower 630 is connected to by the second tracheae 822 with the gas outlet of cleaning device 620, and the air inlet of cleaning device 620 is logical
It crosses the first tracheae 821 to be connected to 610 air outlet of suction ventilator, 610 air inlet of suction ventilator passes through third tracheae 823 and discharge nozzle 240
Connection.
Second tracheae 822 is also connected to 640 gas outlet of aeration valve, and 640 air inlet of aeration valve is communicated with the atmosphere, when
When second tracheae 822 generates larger negative pressure, aeration valve is opened, to supplement air into the second tracheae 822.
In use, the air-flow at discharge nozzle 240 is sucked third tracheae 823 by suction ventilator 610, cleaning device is then transferred to
620 are cleaned, because containing a large amount of dust in the air-flow at discharge nozzle 240, it is therefore desirable to be cleaned；
Air-flow after cleaning is transferred in air supply tube 824 by exhaust fan 630, then blows to the first transfer passage 101, then way
Cleaning device 620 is returned to after third transfer passage, the second transfer passage, discharge nozzle, can thus transported coal mine
Most dust sucking cleaning device 620 in journey is dusted, and by actual measurement, can reduce 80-90% in transmission process
Dust.
The cleaning device 620, including, service sink 710 is cleaning inner cavity 711 and service sink inside service sink 710
710 outsides are provided with detection pipe 730, are detection inner tube 731 inside detection pipe 730, the cleaning inner cavity 711 passes through inclined tube
712 are connected to detection inner tube 731；
The service sink 710 is equipped with water, and the first tracheae 821 enters below the water surface, so that the gas in the first tracheae 821
Stream after washing all by escaping；And cleaning inner cavity 711 be located at this water surface lower section and 821 bottom end face of the first tracheae between be arranged
There is the second hole pattern 722, the second hole pattern 722 is mainly used for that bulky grain solid is stopped to enter, the water surface of 722 top of the second hole pattern；
Be additionally provided with the first hole pattern 721 above the water surface, cleaning inner cavity 711 be located above the first hole pattern 721 be provided with spray head 740,
And be connected to the first water pipe 811, the first water pipe 811 is used to be introduced into external water source in cleaning inner cavity 711；
The spray head 740 is connected to by the second water pipe 812 with booster water pump water outlet, booster water pump water inlet and external water source
Connection, so that booster pump is sprayed by spray head 740 to 721 high pressure of the first hole pattern after being pressurized water, to reach the first hole pattern
The effect of 721 backwashes.Meanwhile in the water inlet of the first water pipe 811, water can leak down from the first hole pattern 721, this is also to play recoil
The effect washed.
First hole pattern 721 is used to stop the solid small particles in air escape, and aperture is not more than 2-4 millimeters, and between hole
Away from less than 0.8 millimeter；
The cleaning inner cavity 711 is displaced 721 top of the first hole pattern and is connected to the second tracheae 822, in use, the first tracheae 821
Interior air-flow can remove most dust, solid particle by washing, then pass through the second hole pattern 722, the first hole pattern 721
Filtering, the solid particle entered in the air-flow in the second tracheae 822 can be made very tiny, and airflow humidity is larger, because
Fugitive dust can be effectively reduced in this, and can also prevent solid particle from blocking subsequent pipeline.
0.5 meter of 711 bottom surface of inner cavity is at least above cleaned in 731 bottom surface of detection inner tube, and inclined tube 712 is by cleaning inner cavity
711 bottoms are set up to detection 731 bottom angled of inner tube.This design can reduce solid particle in water and enter detection inner tube
731 probability can also slide into cleaning inner cavity 711 even if part enters with 712 inner wall of inclined tube；
731 bottom of detection inner tube is provided with multilayer third hole pattern 723, and the mesh of multilayer third hole pattern 723 is overlooked in Fig. 5
Mutual dislocation on figure direction, that is, the mesh of each layer third hole pattern 723 be not coaxial.This design can reduce water level fluctuation pair
Detect inner tube 731 influence, even if that is, enter detection inner tube 731 water there are kinetic energy, can also pass through each layer third hole pattern
723 consumption, so that the water in detection inner tube 731 be kept to be in relatively steady state, in addition third hole pattern 723 can also stop
Solid particle passes through.
Water-level gauge 780 is installed in the detection inner tube 731, and detects inner tube 731 and is also connected to backwash tube 818,
Backwash tube 818 is connected to external water source, to fill the water if necessary into detection inner tube 731, to backwash third hole pattern
723.This water-level gauge 780 is used to measure the water level in the water level in detection inner tube 731, that is, detection cleaning inner cavity 712.
712 bottom of cleaning inner cavity is connected to by third water pipe 813 with 771 water inlet of the first water pump, third water pump
771 discharge outlet are connected to by the 4th water pipe 814 with the precipitating inner cavity 751 inside sedimentation basin 750, to will clean in inner cavity 712
Water pump to precipitating inner cavity 751 in precipitated；
The precipitating water 752 come is pumped equipped with cleaning inner cavity 712 in the precipitating inner cavity 751, and precipitates and be also equipped in inner cavity 751
Another water-level gauge 780, turbidity transducer 790, precipitating 752 water surface of water lower section are connected to 816 bottom of the 6th water pipe, turbidity transducer
790 are mounted near 816 bottom of the 6th water pipe, and the turbidity for detecting precipitating water 752, and are mounted in precipitating inner cavity 751
Water-level gauge 780 be used for detect precipitate water 752 water level.
Precipitating 751 bottom of inner cavity passes through the inlet communication of the 5th water pipe 815 and slush pump 773, slush pump 773
The inlet communication of outlet and screw squeezer 760, screw squeezer 760 are extracted the mud precipitated in inner cavity 751 is precipitated, and are squeezed
Waste residue after pressure is discharged from scum pipe 762, and waste water is expelled in another sedimentation basin 750 from drainpipe 761 and is precipitated.
6th water pipe, 816 top is connected to the water inlet of the second water pump 772, the discharge outlet of the second water pump 772 and
The connection of 7th water pipe, 817 one end, the 7th water pipe 817 is connected to the reservoir of storage external water source, thus by the clear water after precipitating
It pumps to reservoir and stores, to be recycled.
Preferably, in the present embodiment, the water level of precipitating water 752 is controlled, this is heavy after reaching preset water level
Shallow lake pond no longer intakes, and the water for cleaning inner cavity at this time is pumped to other sedimentation basins.
Test of many times is lived through, therefore it, is most that its silt depth is almost consistent after the precipitating water 752 of certain water level precipitates
Amount is precisely separating mud and primary water provides possibility, and in the present embodiment, the 6th water pipe bottom is higher than mud top after test of many times
Portion 0.3-0.5 meters, height left and right herein is arranged in turbidity transducer.
In use, detecting the turbidity of precipitating water by turbidity transducer, and judge to precipitate whether water is clarified by this turbidity.
After judgement clarification, screw squeezer 760 is opened, the mud of bottom is pumped to screw squeezer memory and is separated by solid-liquid separation, is taken out
The amount of sending is calculated with the water level decreasing amount that the water level sensor 780 being mounted in precipitating inner cavity detects.
Namely when precipitating water water level decreasing adds 0.2-0.4 meters to preset mud, stop screw squeezer 760, mud
Then stock pump 773 opens the second water pump 772 and pumps the primary water after precipitating water sedimentation to reservoir, until this water-level gauge is examined
When measuring water level and reaching preset lowest water level, determines that precipitating pool inner water has been evacuated to lowest water level, then stops the second water pump,
Meanwhile this sedimentation basin can be reused.
Referring to Fig. 6 to Fig. 7, the water-level gauge 780, including, shell 781 is hollow, bottom opening inside shell 781
Inner cavity 782, be fixed with demarcation plate 784 in inner cavity 782, and inner cavity 782 is located at below demarcation plate 784 and is equipped with floating head 783, floats
First 783 are made of the lower material of density, such as foam；
Raise the nose above water to breathe 783 with 785 one end of drive rod assembly fix, 785 other end of drive rod pass through demarcation plate 784 after with triggering block 787
It assembles and fixes, and raise the nose above water to breathe to be provided with resistance spring 786 between 783 and demarcation plate 784, resistance spring 786 is for hindering floating head 783
It is mobile to demarcation plate.Preferably, resistance spring 786 is sleeved on drive rod 785.
Induction box 910 is installed in the inner cavity 782, above demarcation plate 784, is hollow sense inside induction box 910
Inner cavity 911 is answered, and incudes 911 bottom of inner cavity and is sealed by elastic covering 920, elastic covering 920 is made of elastic material, can be
Rubber or silica gel；
Connection ring 921 is fixed on the inside of the elastic covering 920, connection ring 921 and the assembly of 940 one end of inductive axis are fixed, and are felt
Stressed plate 960 is passed through after answering 940 other end of axis and reset spring 950 to be set with and the assembly of drive ring 941 is fixed, the reset bullet
Spring 950 is used to generate the power for hindering elastic covering 920 mobile to stressed plate 960；Stressed plate 960 is fixed on induction 911 inner wall of inner cavity
On；
Driving plate 942 is installed on the drive ring 941, conducting block 943 is provided in the driving plate 942, it is described
Conducting block 943 is assembled with 971 conduction of conductive trough, slidably, and conductive trough 971 is arranged in support plate 970；
The conducting block 943 and the second conducting wire 982 are conductively connected, and described 971 one end of conductive trough and the first conducting wire 981 are conductive
Connection, so that resistance when conducting block 943 slides in conductive trough 971, between the first conducting wire 981 and the second conducting wire 982
It changes, is similar to slide rheostat, and when resistance variations, before the first conducting wire 981 and 982 voltage of the second conducting wire are constant
It puts, electric current can change, and therefore, this case passes through the variation water level calculation of electric current.
First conducting wire is connect with constant-current source (or battery) positive conductive, and after constant-current source cathode is in series with a resistor and ammeter is negative
Pole incoming end is conductively connected, and ammeter anode incoming end and the second conducting wire are conductively connected, and ammeter signal end and PLC signal end
Communication connection, in use, the current value that ammeter detects transfers in PLC, then being calculated by program built-in in PLC should
Resistance value under electric current between conducting block 943 and conductive trough 971, then can water level calculation according to resistance value.In the present embodiment
PLC installation site does not require, and can be directly installed in external control cabinet or be mounted in induction inner cavity 911.
When water-level gauge is mounted in sedimentation basin, shell is fixed on precipitating intracavity sidewall, and the floating head is immersed in water
In, and when conducting block 943 is located at middle position on 971 vertical direction of conductive trough, judge that bottom sludge is drained；Work as conduction
When block 943 is located at lowest position on 971 vertical direction of conductive trough, judges that precipitating water is drained, led when conducting block 943 is located at
On electric 971 vertical direction of slot when top position, judge precipitate inner cavity in water level have reached highest point, stop at this time into
Water.
When water-level gauge is mounted in service sink, shell is fixed on cleaning intracavity sidewall, and the floating head is immersed in water
In, when conducting block 943 is located at middle position on 971 vertical direction of conductive trough, judgement needs moisturizing, and the first water pipe is by water at this time
Introduce cleaning inner cavity.
And in actual use, intracavitary water is primary to sedimentation basin discharge every two hours in cleaning, when discharge, the first water inlet
The synchronous water inlet of pipe.
It certainly,, can be continuous or fixed by water intracavitary in cleaning when sedimentation basin cannot be installed if conditions down-hole does not allow
When be discharged, while the first water pipe is continuous or timing is intake, as long as guaranteeing water level intracavitary in cleaning.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of dust removal unit, is applied in spiral conveyer, it is characterized in that: include air supply tube, air supply tube one end and the
The connection of one transfer passage, the other end are connected to the air outlet of exhaust fan, and the air inlet of exhaust fan is filled by the second tracheae and cleaning
The gas outlet connection set, the air inlet of cleaning device are connected to by the first tracheae with suction ventilator air outlet, and suction ventilator air inlet is logical
Third tracheae is crossed to be connected to discharge nozzle.
2. dust removal unit is twisted as described in claim 1, it is characterized in that: second tracheae also connects with tonifying Qi valve air gate
Logical, aeration valve air inlet is communicated with the atmosphere.
3. dust removal unit as described in claim 1, it is characterized in that: the cleaning device, including, service sink, in service sink
Portion is that detection pipe is provided on the outside of cleaning inner cavity and service sink, is detection inner tube inside detection pipe, the cleaning inner cavity passes through
Inclined tube is connected to detection inner tube；
The service sink is equipped with water, and the first tracheae enters below the water surface, and cleans inner cavity and be located at below this water surface and first
The second hole pattern is provided between tracheae bottom end face；
Be additionally provided with the first hole pattern above the water surface, cleaning inner cavity be located at the first hole pattern top be provided with spray head and with the first water pipe
Connection, the first water pipe are used to be introduced into external water source in cleaning inner cavity；
The spray head is connected to by the second water pipe with booster water pump water outlet, and booster water pump water inlet is connected to external water source,
The cleaning inner cavity is displaced above the first hole pattern and is connected to the second tracheae；
Water-level gauge is installed in the detection inner tube, and detects inner tube and is also connected to backwash tube, backwash tube and external water
Source connection；
The cleaning intracavity bottom is connected to by third water pipe with the first pump intake, and third pumping drainage mouth passes through the 4th
Water pipe is connected to the precipitating inner cavity inside sedimentation basin.
4. dust removal unit as claimed in claim 3, it is characterized in that: the first hole screen distance is not more than 2-4 millimeters, and pitch of holes is small
In 0.8 millimeter.
5. dust removal unit as claimed in claim 3, it is characterized in that: interior bottom of chamber is at least above cleaned in the detection inner tube bottom surface
0.5 meter of face, and inclined tube tilts upward setting from cleaning intracavity bottom to detection bottom of inner tube.
6. dust removal unit as claimed in claim 3, it is characterized in that: the detection bottom of inner tube is provided with multilayer third hole
The mesh of net, each layer third hole pattern is not coaxial.
7. dust removal unit as claimed in claim 3, it is characterized in that: next sink is pumped equipped with cleaning inner cavity in the precipitating inner cavity
Shallow lake water, and it is intracavitary in precipitating be also equipped with another water-level gauge, turbidity transducer, connect below the precipitating water water surface with the 6th water pipe bottom
Logical, turbidity transducer is mounted near the 6th water pipe bottom, and the turbidity for detecting precipitating water, and is mounted in precipitating inner cavity
Water-level gauge be used for detect precipitate water water level；
The precipitating intracavity bottom passes through the inlet communication of the 5th water pipe and slush pump, the outlet of slush pump and screw squeezer
Inlet communication, screw squeezer will precipitate in the mud of intracavitary precipitating extract, and waste residue after extruding is discharged from scum pipe, gives up
Water is expelled in another sedimentation basin from drainpipe and is precipitated；
It is connected at the top of 6th water pipe with the water inlet of the second water pump, the discharge outlet of the second water pump and the 7th water pipe one end connect
Logical, the 7th water pipe is connected to the reservoir of storage external water source.
8. the dust removal unit as described in claim 3 or 7, it is characterized in that: the water-level gauge, including, shell, interior of shell is
Hollow, bottom opening inner cavity, it is interior it is intracavitary be fixed with demarcation plate, and inner cavity is located at below demarcation plate and is equipped with floating head；
It raises the nose above water to breathe to fix with the assembly of drive rod one end, the drive rod other end is assembled with triggering block after demarcation plate and fixed, and is raised the nose above water to breathe
Resistance spring is provided between demarcation plate, resistance spring is mobile to demarcation plate for hindering to raise the nose above water to breathe；
Induction box is installed above the interior intracavitary, demarcation plate, is hollow induction inner cavity inside induction box, and incude inner cavity
Bottom is sealed by elastic covering.
9. dust removal unit as claimed in claim 8, it is characterized in that: being fixed with connection ring, connection ring on the inside of the elastic covering
It assembles and fixes with inductive axis one end, and is solid across stressed plate and drive ring assembly after the inductive axis other end and reset spring suit
Fixed, stressed plate is fixed in induction on cavity wall；
Driving plate is installed on the drive ring, conducting block, the conducting block and conduction are provided in the driving plate
Slot is conductive, slidably assembles, and conductive trough is arranged on the supporting plate；
The conducting block and the second conducting wire are conductively connected, and described conductive trough one end and the first conducting wire are conductively connected.
10. dust removal unit as claimed in claim 9, it is characterized in that: the first conducting wire is connect with constant-current source positive conductive, constant-current source
It is conductively connected after cathode is in series with a resistor with ammeter cathode incoming end, ammeter anode incoming end and the second conducting wire conduction connect
It connects, and ammeter signal end and PLC signal end communication connection.
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| CN201910220372.8A CN109939522B (en) | 2019-03-22 | 2019-03-22 | Dust removal unit |
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| CN201910220372.8A CN109939522B (en) | 2019-03-22 | 2019-03-22 | Dust removal unit |
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| CN109939522B CN109939522B (en) | 2021-05-21 |
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| CN111298925A (en) * | 2020-03-03 | 2020-06-19 | 许婷婷 | Industrial dust collector |
| CN115490031A (en) * | 2022-09-26 | 2022-12-20 | 河南中业重工机械有限公司 | Mining crawler-type dust removal is from moving tail |
| CN117446542A (en) * | 2023-12-25 | 2024-01-26 | 常州回回机械科技有限公司 | Airborne hanging conveyor of coal mine heading machine |
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| CN109939522B (en) | 2021-05-21 |
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