CN109079995A - A kind of the cement can system and method for modifying of multistage recycling cement dust - Google Patents
A kind of the cement can system and method for modifying of multistage recycling cement dust Download PDFInfo
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- CN109079995A CN109079995A CN201810992920.4A CN201810992920A CN109079995A CN 109079995 A CN109079995 A CN 109079995A CN 201810992920 A CN201810992920 A CN 201810992920A CN 109079995 A CN109079995 A CN 109079995A
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- 239000000428 dust Substances 0.000 title claims abstract description 139
- 239000004568 cement Substances 0.000 title claims abstract description 117
- 238000004064 recycling Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 abstract description 9
- 238000005453 pelletization Methods 0.000 abstract description 5
- 230000009466 transformation Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 14
- 238000005086 pumping Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0046—Storage or weighing apparatus for supplying ingredients
- B28C7/0053—Storage containers, e.g. hoppers, silos, bins
- B28C7/0061—Storage container plant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/0046—Storage or weighing apparatus for supplying ingredients
- B28C7/0053—Storage containers, e.g. hoppers, silos, bins
- B28C7/0076—Parts or details thereof, e.g. opening, closing or unloading means
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The present invention relates to the cement can system and method for modifying of a kind of multistage recycling cement dust, belong to cementing tank technical field.Filtration dust catcher is device important in mixing plant cement powder tank dust pelletizing system.After the number that mixing plant cement powder tank frequently pumps cement powder increases, it is easy blocking filter core or filter bag, if do not cleared up in time, last high pressure gas breaks through filter core or filter bag, lead to dust removal by filtration failure cement dust pollution ambient enviroment, to influence the working environment of surrounding.For the problem during the filtering of practical batching plant cement powder tank cement dust, proposes that the innovation transformation scheme of recycling is collected by filtration in mixing plant cement powder tank cement dust, improve surrounding working environment quality, and save material cost.
Description
Technical field
The invention belongs to cementing tank technical field, in particular to a kind of multigrade cement tank recycles cement dust method and is
System.
Background technique
In highway and the building course of other engineerings, road surface project cement stabilized soil and concrete mixing plant, all
It needs to consume a large amount of bulk cement powder, in bulk cement powder tank car to cement powder tank, pumps the dust removal method during cement powder
It is mainly the following the facilities and equipment of structure:
1. structure one
Mixing plant cement powder tank deck deduster, the inside were used to equipped with 4 similar flour bags equipped with the filter bag of skeletal support
Filter cement dust.Generally gravity exhaust pipe (being equivalent to a pressure-relief valve) cement dust is installed additional almost directly from this pipe in tank deck
Discharge, wet season cement tank deck just slowly form " volcano " heap.Its main feature is that: structure is simple, cheap, sock filtration face
The small easy blocking of product is damaged.
Disadvantage: waste material, pollution environment, there are security risks for high-altitude troublesome maintenance.
2. structure two
Mixing plant cement powder tank deck deduster, the inside are equipped with 14 filter cores, utilize solenoid valve pulse control instantaneous pressure gas
Each filter core (or with vibrating motor) is blown clearly.Its main feature is that: reasonable in design, fold filter core increases filter area, gas
It is slightly higher that the pretty good price of (or vibrating motor) dust removing effects is blown clearly, and tank deck is equipped with pressure safety valve.
Disadvantage: being that even damage can be discharged in gas cement powder from safety valve when pumping pressure is excessive or makes mistakes, and pumps canful
Bad filter core, can also cause that certain pollution, needing periodic cleaning filter core, there are the danger of high altitude operation to environment.
Following problems are primarily present during storage tank pumping cement powder: (1) since cement powder dosage is big, for mixing plant
After the number that cement powder storage tank frequently pumps cement powder increases, it be easy to cause the blocking of filter core or filter bag.When cement powder is adhered to
Filter core or filter bag are easier to block when air humidity is big.It is not cleared up in time after filter core or filter bag blocking, the cement powder of high pressure
Gas will break through filter core or filter bag, spray out from high-altitude and cause to waste and pollute ambient enviroment.(2) deduster having is excessively
Simply (only four filter bags) filter area is too small causes release exhaust pipe to open dusty gas for a long time to be expelled directly out.(3) in reality
In the pumping cement powder operation process on border, since the dust pelletizing system load of cementing tank is excessive, deduster blocking, high pressure gas often occurs
Body, which throws entire deduster from cement tank deck, falls ground, causes larger danger to ground staff.(4) cement powder storage tank by
It is frequently occluded greatly in load, efficiency of dust collection is low, and needs frequently cleaning, repeatedly clears up higher-height cementing tank and increases operation people
The dangerous risk of member.
Summary of the invention
It is an object of the invention to solve above-mentioned defect existing in the prior art, cement powder storage tank in existing equipment is overcome
Frequently pumping cement powder leads to the blocking of filter core or filter bag, and cement powder breaks through filter core or filter bag；Overcome deduster that cannot handle greatly
Load dusty gas causes cement dust to be expelled directly out and causes to waste and pollute environment；Overcome the dust pelletizing system load of cementing tank
Excessive generation deduster blocking.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of cement can system of multistage recycling cement dust includes: multiple cementing tanks and dust recycling can, multiple cement
Upper end has exhaust pipe, and the multiple cementing tank is connected at the top of dust recycling can by exhaust pipe, sets at the top of dust recycling can
Be equipped with pressure-relief valve, deduster and high charge level meter, dust recycling pot bottom is provided with discharge port, discharge port lower end have air blower and
Discharge tube, the discharge port are connect by the air blower with discharge tube.
Bottom is provided with low level-sensing device in the cementing tank, the cement upper end be provided with deduster, high charge level meter and
Feeding tube, the feeding tube feed end are connected with check valve.
The outlet end of the discharge tube and the outlet end of check valve are separately connected a part of a union, when described
When discharge tube is connected with check valve, the discharge tube is connected with check valve by the union.
It further include rotatory feeder valve, the discharge port connects the air blower by rotatory feeder valve.
Further include electric cabinet, bottom is provided with low level-sensing device in dust recycling can, multiple high charge level meters respectively with electric cabinet
One color alarm lamp group is electrically connected and marks the high charge level meter of dust recycling upper end, and multiple low level-sensing devices are another with electric cabinet respectively
One color alarm lamp group is electrically connected and marks the low level-sensing device of dust recycling pot bottom, rotatory feeder valve and air blower difference
Connect the control switch of electric cabinet.
The air blower is cement powder tank car, has rotation between the discharge port and the discharge port of the cement powder tank car
Feed valve, the discharge port connect the discharge port of the cement powder tank car by rotatory feeder valve.
A kind of cementing tank method of modifying of multistage recycling cement dust, method includes the following steps:
Step 1: providing a dust recycling can, which includes tank body, and the tank deck and tank bottom of the tank body are circle
Cone cell, the tank deck are provided with deduster, high charge level meter, relief valve and the through-hole for installing exhaust pipe, and tank bottom, which is provided with, unloads
Material mouth, discharge port lower end have air blower and discharge tube, and the discharge port is connect by the air blower with discharge tube；
Step 2: the cementing tank of multiple top installation exhaust pipes is provided, exhaust pipe is installed by the deduster at the top of cementing tank
Or the original relief valve of cementing tank is removed and installs exhaust pipe additional in pressure release valve position；
Step 3: dust recycling can is mounted on by multiple cementing tanks, and the exhaust pipe at the top of multiple cementing tanks is distinguished
It is connect with the through-hole for installing exhaust pipe at the top of dust recycling can.
Further include step 4: an electric cabinet be provided, low level-sensing device is installed at the discharge port of dust recycling can, discharge port and
Rotatory feeder valve is installed between air blower；The high charge level meter of generic dust recycling can and cementing tank and low level-sensing device are distinguished
Be electrically connected to the alarm lamp group of different colours in electric cabinet, by the control circuit of rotatory feeder valve and air blower be electrically connected in
The control switch of electric cabinet.
Further include step 5: the feed inlet of discharge tube and a cementing tank is connected using union, in multiple cement
On tank feed inlet pressure sensor is installed respectively, is completed for monitoring to dock between cementing tank feed inlet and union, pressure
Sensor is electrically connected to the alarm lamp group of another color in electric cabinet.
Further include step 6: an automatic control system for being used for electric cabinet be provided:
Detect high charge level meter and low level-sensing device in dust recycling can and cementing tank；
When detecting in cementing tank has high charge level meter and low level-sensing device feedback alarm signal, control is expected with high in cementing tank
Position meter and the corresponding alarm lamp of low level-sensing device are opened, and when feedback alarm signal is not detected, are performed the next step；
When detecting high charge level meter feedback alarm signal in dust recycling can, the cement that pressure sensor monitoring arrives is confirmed
The feedback signal that completion is docked between tank feed inlet and union, the alarm lamp of pressure sensor when not obtaining feedback signal
Group is all turned on；It is performed the next step when obtaining feedback signal；
Air blower is opened, when unlatching air blower reaches preset time, opens rotatory feeder valve, and continue to monitor dust and return
In the low level-sensing device or cementing tank of closed cans high charge level meter whether feedback alarm signal；
When high charge level meter feedback alarm signal in the low level-sensing device or cementing tank for obtaining dust recycling can, closes rotation and give
Expect valve, when closing rotatory feeder valve reaches preset time, closes air blower.
The dust pelletizing system load that the present invention can effectively solve cementing tank is excessive, mitigates the load of cementing tank dust pelletizing system, has
Effect solves the blocking of cementing tank filter core or filter bag, it is therefore prevented that cement powder is write freely and easily everywhere, has saved the energy, also improves cementing tank week
The environment enclosed solves the pollution around cementing tank, it is therefore prevented that cementing tank reduces as blocking to danger caused by ground staff
Danger source, reduces cementing tank clearing times, and it is dangerous to mitigate staff's bring at the top of cementing tank of climbing to the top of a mountain, due to the mistake of dedusting
Journey is that all dedusters all simultaneously participate in so having the function of extending all deduster service life；On the one hand it reduces because of cement powder
The influence of dirt and maintenance number to equipment；On the other hand be very significantly improved ambient enviroment, eliminate and surrounding
The source that neighbourhood conflicts.The present invention economizes on resources, and prevents from polluting, and structure is simple, high dust collection efficiency, safely and effectively, saves
Cost is particularly suitable for the mixing plant installation of more cementing tanks, and the more dust removing effects of the quantity of tank are more preferable, and maintenance cost is also lower.
Detailed description of the invention
Fig. 1 is the overall structure figure of the prior art in the present invention.
Fig. 2 is overall structure figure of the present invention
Fig. 3 is high charge level circuit diagram of the present invention
Fig. 4 is the low material position circuit diagram of the present invention
Fig. 5 is main circuit of the present invention and electric operation control circuit figure
In the figure, it is marked as 1, cementing tank；2, deduster；3, exhaust pipe；4, feeding tube；5, dust recycling can；6, pressure-relief valve；
7, check valve；8, high charge level meter；9, low level-sensing device；10, discharge tube；11, air blower；12, rotatory feeder valve；13, electric cabinet；
14, cement powder tank car；15, alarm lamp；16, frequency converter.
Specific embodiment
Embodiment 1
A kind of cement can system of multistage recycling cement dust, comprising: multiple cementing tanks 1 and dust recycling can 5, Duo Geshui
1 top of mud tank has exhaust pipe 3, and the multiple cementing tank 1 connects 5 top of dust recycling can, dust recycling can by exhaust pipe 3
5 tops are provided with pressure-relief valve 6, deduster 2 and high charge level meter 8, and 5 bottom of dust recycling can is provided with discharge port, discharge port lower end
With air blower and discharge tube 10, the discharge port is connect by the air blower with discharge tube 10.
In the present embodiment, as shown in Figure 1, the generally aggregation placement of existing cementing tank 1, removing at the top of multiple cementing tanks 1
Dirt device is arranged exhaust pipe 3, is connected to above-mentioned multiple cementing tanks 1 with dust recycling can 5 by exhaust pipe with exterior domain, at this point,
Multiple cementing tanks 1 and 5 internal pressure of dust recycling can communicate, when cementing truck cement powder pumped among multiple cementing tanks 1 wherein
When one cementing tank 1, the dust generated in the cementing tank 1 of pumping, a part passes through the deduster dedusting of the cementing tank 1 of pumping,
It is equivalent to primary dust removing；Remaining most of dust enters dust recycling can 5 by the exhaust pipe 3 of the cementing tank 1 of pumping at the top of it
In, due to being equipped with deduster 2, the dust entered in dust recycling can 5 at the top of dust recycling can, a part passes through dust recycling can
2 dedusting of deduster at top, is equivalent to two-stage dust removal；Since multiple cementing tanks 1 and dust recycling can 5 are interconnected, dust is returned
Dust a part in closed cans enters again in other the outer cementing tanks 1 of cementing tank 1 for removing pumping, is further removed by other cementing tanks
Dirt is equivalent to 3-stage dust-removal；And then using multistage dedusting, dust is divided into multistep and is removed one by one, wherein dust recycling can 5 due to
Participate in the two-stage dust removal of multiple cementing tanks 1, pressure-relief valve 6 is arranged in interior top, prevents in tank that pressure is excessive to cause accident, due to powder
Dirt recycling can 5 is connected to multiple cementing tanks 1, so, pressure-relief valve 6 acts in whole system, plays the protection to whole system；
The two-stage dust removal of multiple cementing tanks 1 is participated in it, can constantly accumulate cement powder, so its inner tip is provided with high charge level meter 8,
To detect whether cement powder accumulates completely entire dust recycling can 5, when 5 memory full water mud powder of dust recycling can, pass through dust
Cement powder in dust recycling can 5 is delivered to more by the discharge port discharging of 5 bottom of recycling can by air blower 11 and discharge tube 10
In one of cementing tank 1 in a cementing tank 1, the recycling of cement powder is completed.
Embodiment 2
On the basis of embodiment 1, bottom is provided with low level-sensing device 9 in the cementing tank 1, and 1 top of cementing tank is set
It is equipped with deduster 2, high charge level meter 8 and feeding tube 4,4 feed end of feeding tube is connected with check valve 7.
In the present embodiment, cementing tank 1 needs canful and low material position alarm function, adds low level-sensing device 9 and high charge level meter 8,
Cement powder tank car conveys cement powder to cementing tank 1, so feeding tube 4 is arranged in one side, feeding tube, which needs to have, irreversibly delivers function
Can, so adding check valve in feeding tube head.
Embodiment 3
On the basis of embodiment 1 or embodiment 2, the outlet end of the discharge tube and the outlet end of check valve 7 are distinguished
The a part for connecting a union, when the discharge tube and check valve 7 connect, the discharge tube and check valve 7 by
The union connection.
It further include rotatory feeder valve 12, the discharge port connects the air blower by rotatory feeder valve 12.
In the present embodiment, it in dust recycling can 5 when cement powder canful, needs cement powder in tank being transported to other cement
In tank 1, need with the output of discharge tube 10, when conveying, 10 connector of discharge tube is docked with the nozzle of 1 feeding tube 4 of cementing tank, is unloaded
Material mouth is opened, and cement powder is delivered in cementing tank 1 by air blower, at this point, the connector of discharge tube 10 is union mother mouth, on
The nozzle of expects pipe is union public affairs mouth；Air blower can be roots blower, cfentrifugal blower, rotary blower and axial-flow type
Air blower.
In one embodiment, when 5 discharging of dust recycling can, due to air blower discharging to be cooperated, then must rotatory feeder valve,
Avoid the wind blow-through of air blower into dust recycling can 5, the rotatory feeder valve 12 of discharge port lower end, which can also be used as, prevents cement
Powder not blanking persistently controls the blanking of cement powder, and cement powder is transported in cementing tank 1 by rotatory feeder valve 12 and air blower cooperation,
Rotatory feeder valve is turned several and air blower cooperation by frequency converter and is used.
In one embodiment, when 5 discharging of dust recycling can, the vacuum generation that pressure-air generates negative pressure is can be used in air blower
The bulge-structure of vacuum generator can be used in device structure, discharge port, with this steady discharging.
In one embodiment, when 5 discharging of dust recycling can, air blower can be selected Multiple Type, discharge port and air blower it
Between there is rotary valve, discharge port is connected with air blower by rotary valve.
In implementing one, the exhaust pipe 3 between multiple cementing tanks 1 and dust recycling can 5 is the conveying for conveying cement dust
Channel, since in use, the time is commonly used in the deduster of 1 upper end of each cementing tank, load is different, its deduster dedusting is caused to be imitated
Rate is different, so setting flowmeter and throttle valve control flow into the amount of the cement powder in different cementing tanks 1 on each exhaust pipe 3,
And then balanced each deduster removes dust quantity, achievees the purpose that equilibrium assignment, and if when a certain deduster 2 needs to clear up,
The exhaust pipe 3 of cementing tank 1 corresponding to the deduster 2 need to be only closed, does not influence the normal work of whole system, while cleaning,
Whole system can also continue to work operation.
Embodiment 4
Further include electric cabinet 13, bottom is provided with low level-sensing device 9 in dust recycling can 5, multiple high charge level meters 8 respectively with electricity
Control 13 1 color alarm lamp of case, 15 groups of electrical connections and the high charge level meter 8 for marking 5 top of dust recycling can, multiple low level-sensing devices 9 divide
It is not electrically connected with another color of electric cabinet 13 alarm lamp group and marks the low level-sensing device 9 of 5 bottom of dust recycling can, rotatory feeder valve
12 and the air blower be separately connected the control switch of electric cabinet 13.
In the present embodiment, all low level-sensing devices 9 and high charge level meter 8 are connect with electric cabinet, rotatory feeder valve 12 and air blast
Machine is controlled by electric cabinet, and user can operate according to the prompt of electric cabinet and control discharging.Air blower can for roots blower, from
Core type air blower, rotary blower and axial blower.12 control terminal of rotatory feeder valve is equipped with frequency converter, passes through frequency conversion
Device 16 controls 12 revolving speed of rotatory feeder valve, and then controls blanking velocity.
Flowmeter and throttle valve are provided on multiple exhaust pipes (3).To adjust control dust recycling can 5 or cementing tank
1 dust treating capacity.
Embodiment 5
The air blower is cement powder tank car, has rotation between the discharge port and the discharge port of the cement powder tank car
Feed valve 12, the discharge port connect the discharge port of the cement powder tank car by rotatory feeder valve 12.
It in the present embodiment, since air blower is more expensive, and is not frequently used, from economy, is made using cement powder tank car 14
Fund can be saved for air blower, is economized on resources.
Embodiment 6
A kind of cementing tank method of modifying of multistage recycling cement dust, which is characterized in that method includes the following steps:
Step 1: providing a dust recycling can, which includes tank body, and the tank deck and tank bottom of the tank body are circle
Cone cell, the tank deck are provided with deduster, high charge level meter, relief valve and the through-hole for installing exhaust pipe, and tank bottom, which is provided with, unloads
Material mouth, discharge port lower end have air blower and discharge tube, and the discharge port is connect by the air blower with discharge tube；
Step 2: the cementing tank of multiple top installation exhaust pipes is provided, exhaust pipe is installed by the deduster at the top of cementing tank
Or the original relief valve of cementing tank is removed and installs exhaust pipe additional in pressure release valve position；
Step 3: dust recycling can is mounted on by multiple cementing tanks, and the exhaust pipe at the top of multiple cementing tanks is distinguished
It is connect with the through-hole for installing exhaust pipe at the top of dust recycling can.
In the method, it needs to make dust recycling can 5 in advance, makes the chamber that a top and bottom are vertebra shape
Body structure makes not will cause windrow dead angle in cavity, then installs deduster 2, high charge level meter 8, pressure-relief valve with cavity body structure upper end
6, discharge port is arranged in lower end, and discharge port installs air blower and discharge tube, is assembled into dust recycling can；Then by all cementing tanks
1 is reequiped, and is connected to dust recycling can 5, after guaranteeing junction leakproofness, just forms a fume recovery system, drum
Blower can be roots blower, cfentrifugal blower, rotary blower and axial blower.
Embodiment 7
Further include step 4 on the basis of embodiment 4: an electric cabinet is provided, pacifies at the discharge port of dust recycling can
Low level-sensing device is filled, rotatory feeder valve is installed between discharge port and air blower；By the height of generic dust recycling can and cementing tank
Level-sensing device and low level-sensing device are electrically connected the alarm lamp group of the different colours in electric cabinet, by rotatory feeder valve and air blower
Control circuit is electrically connected the control switch in electric cabinet.
Further include step 5: the feed inlet of discharge tube and a cementing tank is connected using union, in multiple cement
On tank feed inlet pressure sensor is installed respectively, is completed for monitoring to dock between cementing tank feed inlet and union, pressure
Sensor is electrically connected to the alarm lamp group of another color in electric cabinet.
In the present embodiment, all low level-sensing devices 9 and high charge level meter 8 are connect with electric cabinet, rotatory feeder valve 12 and air blast
Machine is controlled by electric cabinet, and user can operate according to the prompt of electric cabinet and control discharging.Air blower can for roots blower, from
Core type air blower, rotary blower and axial blower.
In one embodiment, the feed inlet of discharge tube and a cementing tank is connected using union, in multiple cement
On tank feed inlet pressure sensor is installed respectively, is completed for monitoring to dock between cementing tank feed inlet and union, pressure
Preset value can be set in sensor, and when contact position pressure reaches preset value, feedback link completes signal in electric cabinet.
In one embodiment, by the high charge level meter of the high charge level meter of multiple cementing tanks and dust recycling can respectively with high charge level
Indicator light electrical connection is counted, the low level-sensing device of multiple cementing tanks is defended with low material to meter indicator light respectively and is electrically connected, is installed under discharge port
Butterfly valve, installation rotatory feeder valve is the rotatory feeder valve that installation has frequency converter under butterfly valve under butterfly valve；For the ease of staff
It checks in 5 tank of cementing tank 1 and dust recycling can, full material or scarce material situation, by the institute in multiple cementing tanks 1 and dust recycling can 5
There is high charge level meter 8, low level-sensing device 9 is electrically connected with indicator light in control room, is reminded staff's cementing tank situation, is reduced cement
The manpower that tank scene is kept an eye on.Butterfly valve is normally normally open, is used as when facilitating maintenance and closes discharge port.
When dust recycling can 5 is completely expected, in order to which quickly cement powder in dust recycling can 5 is delivered in cementing tank 1, butterfly
The rotatory feeder valve of an adjustable revolving speed is arranged in valve lower end, carries out smashing material blanking, and be equipped with the rotation of frequency converter adjustable speed
Optimized rotating speed, fast blanking can be set in feed valve.
Embodiment 8
Further include step 6: an automatic control system for being used for electric cabinet be provided:
Detect high charge level meter and low level-sensing device in dust recycling can and cementing tank；
When detecting in cementing tank has high charge level meter and low level-sensing device feedback alarm signal, control is expected with high in cementing tank
Position meter and the corresponding alarm lamp of low level-sensing device are opened, and when feedback alarm signal is not detected, are performed the next step；
When detecting high charge level meter feedback alarm signal in dust recycling can, the cement that pressure sensor monitoring arrives is confirmed
The feedback signal that completion is docked between tank feed inlet and union, the alarm lamp of pressure sensor when not obtaining feedback signal
Group is all turned on；It is performed the next step when obtaining feedback signal；
Air blower is opened, when unlatching air blower reaches preset time, opens rotatory feeder valve, and continue to monitor dust and return
In the low level-sensing device or cementing tank of closed cans high charge level meter whether feedback alarm signal；
When high charge level meter feedback alarm signal in the low level-sensing device or cementing tank for obtaining dust recycling can, closes rotation and give
Expect valve, when closing rotatory feeder valve reaches preset time, closes air blower.
In summary:
The existing method for solving pumping cement powder dedusting is mainly the following the facilities and equipment of structure:
1. a type structure
Mixing plant cement powder tank deck deduster, the inside were used to equipped with 4 similar flour bags equipped with the filter bag of skeletal support
Filter cement dust.Generally gravity exhaust pipe (being equivalent to a pressure-relief valve) cement dust is installed additional almost directly from this pipe in tank deck
Discharge, wet season cement tank deck just slowly form " volcano " heap.Its main feature is that: structure is simple, cheap, sock filtration face
The small easy blocking of product is damaged.
2. two type structures
Mixing plant cement powder tank deck deduster, the inside are equipped with 14 filter cores, utilize solenoid valve pulse control instantaneous pressure gas
Each filter core (or with vibrating motor) is blown clearly.Its main feature is that: reasonable in design, fold filter core increases filter area, gas
It is slightly higher that the pretty good price of (or vibrating motor) dust removing effects is blown clearly, and tank deck is equipped with pressure safety valve.
With four 100 tons of cement powder tank deck dedustings of the 600 steady mixing plants of type water on the plum of this human desires repacking flat two mark road surface
Device is transformation basis.This deduster 2 belongs to one type of structure, and dust removing effects are worst in order to save money, we are only by its inside
4 old filter bags be all replaced with new filter bag as by-pass filtration (deduster be all changed to structure two by conditional suggestion
Type, because there is 14 filter cores to have vibrating motor again in each deduster, single 2 filter area of deduster is compared most with one type of structure
Three times or more are improved less).Utilize original all exhaust pipes (4 cementing tank 1 four exhausts for guiding ground caliber 110mm into
Pipe), all accessing the volume made is to install 1 at the top of dust recycling can additional at the top of 2.4 cubic metres of dust recycling cans
A the inside has the dedusting of 14 filter core bands, one vibrating motor to fill 2 to set as two-stage dust removal, install one at the top of dust recycling can additional
Pressure-relief valve 6, side fill a high-order level-sensing device 8 and signal wire are introduced control room, remind operator when cement powder is collected completely.
Install a Hand-operated butterfly valve additional by each feeding tube 4；Each cementing tank 1 installs each one high and low level detector 9 additional and connects warning light；
Dust recycling can 5 bores bottom and fills a dish valve, and one is filled under dish valve and turns several rotatory feeder valves 12, rotatory feeder valve by frequency converter
12 lower outlets are connected with blower tube, and the end of pipe is a discharge tube 10,10 tube head union of discharge tube can with it is every
Feeding tube 4 of a cementing tank 1 connect.Work dust-cleaning principle after transformation, (example: pumps water to 1# cementing tank as shown in Figure 1
Mud powder) cement dust gas trend: cement powder tank car → check valve → 1# cementing tank feeding tube → 1# cementing tank is (simultaneously
The filtering of 1# tank deduster, portion gas is through exhaust pipe to next stage.It is equivalent to primary dust removing.) → 5# dust recycling can is (same
When 5# dust recycling can deduster filter, exhaust pipe of the portion gas through 2#, 3#, 4# cementing tank to next stage.It is equivalent to
Two-stage dust removal.) → 2#, 3#, 4# cement storage tank (while 2#, 3#, 4# tank deduster filter.It is equivalent to 3-stage dust-removal.)2#,
3#, 4# feeding tube, which are in, closes.The canned low level detector of 1#, 2#, 3#, 4# cement and warning light, purpose prevent cement in tank
Powder is empty, and dusty gas leaks and prevent through spiral mouth to change tank process cement with sky unstable.It after all is exactly in closed sky
Between in by dust-laden high-pressure gas pressure, run out by deduster level-one level-one.
Improvement cost
Innovation transformation material requested and cost are as follows: (1) dust recycling can 1, and 1.3 meters of can body diameter, can body cylinder are high
1.5 meters, with about 6 square metres of 3mm iron plate quantity, about 800 yuan of market price；Tank deck and tank bottom circular cone 4mm iron plate, conical bottom height
0.9 meter, shared about 7 square metres of iron plate (packet loss), about 1200 yuan of market price；(2) about 800 yuan of 4 market prices of 8# channel steel；The angle 5#
About 300 yuan of 2 market prices of iron；(3) about 3000 yuan of 10 market prices of level-sensing device；(4) one market price of pressure safety valve about 300
Member；(5) about 3000 yuan of a set of market price of filter core vibration type deduster is (since inner sealing requires the compact time-consuming effect of oneself production
Also different to set, existing price can receive, and inside have about 24 square metres altogether of 14 removable filter element filtering areas, match 1
0.15kw vibrating motor)；(6) 0.75kw conveying rotatory feeder valve is a set of, and about 2000 yuan of market price；(7) 0.75kw frequency converter one
About 600 yuan of a market price；(8) 22kw roots blower is a set of, and about 10000 yuan of market price；(9) DN130 high pressure butterfly valve 4 1240
Member；(10) 10 300 yuan of warning light；(11) about 2000 yuan altogether of 200 meters of 4*1.5 cable, 20 meters of 4*4 cable and other materials.Altogether
About 25240 yuan of material requested cost of meter (saves 7,8 in practical transformation, changes and pumped in small cement storage tank by empty cement powder tank car
Cement powder, about 14940 yuan of practical totle drilling cost).
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used for solving in the present embodiment
It releases in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if this is specific
When posture changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. is used for description purposes only, it is not understood to indicate or imply it
Relative importance or the quantity for implicitly indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can
To explicitly or implicitly include at least one this feature.
Technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
Claims (10)
1. a kind of cement can system of multistage recycling cement dust characterized by comprising multiple cementing tanks (1) and dust return
Closed cans (5), multiple cementing tank (1) tops have exhaust pipe (3), and the multiple cementing tank (1) connects dust by exhaust pipe (3)
At the top of recycling can (5), pressure-relief valve (6), deduster (2) and high charge level meter (8) are provided at the top of dust recycling can (5), dust returns
Closed cans (5) bottom is provided with discharge port, and discharge port lower end has air blower and discharge tube (10), and the discharge port passes through described
Air blower is connect with discharge tube (10).
2. a kind of cement can system of multistage recycling cement dust as described in claim 1, which is characterized in that the cementing tank
(1) interior bottom is provided with low level-sensing device (9), and cementing tank (1) top is provided with deduster (2), high charge level meter (8) and feeding
It manages (4), feeding tube (4) feed end is connected with check valve (7).
3. a kind of cement can system of multistage recycling cement dust as claimed in claim 2, which is characterized in that the discharge tube
Outlet end and the outlet end of check valve (7) be separately connected a part of a union, when the discharge tube and check valve
(7) when connecting, the discharge tube is connected with check valve (7) by the union.
4. a kind of cement can system of multistage recycling cement dust as described in claim 1, which is characterized in that further include rotation to
Expect valve (12), the discharge port connects the air blower by rotatory feeder valve (12).
5. a kind of cement can system of multistage recycling cement dust as claimed in claim 4, which is characterized in that further include electric cabinet
(13), dust recycling can (5) interior bottom is provided with low level-sensing device (9), multiple high charge level meters (8) respectively with (13) one face of electric cabinet
Color alarm lamp group is electrically connected and marks the high charge level meter (8) on dust recycling can (5) top, multiple low level-sensing devices (9) respectively with electricity
Another color alarm lamp group of control case (13) is electrically connected and marks the low level-sensing device (9) of dust recycling can (5) bottom, rotatory feeder valve
(12) and the air blower is separately connected the control switches of electric cabinet (13).
6. a kind of cement can system of multistage recycling cement dust as described in claim 1, which is characterized in that the air blower is
Cement powder tank car has rotatory feeder valve (12) between the discharge port and the discharge port of the cement powder tank car, the discharging
Mouth connects the discharge port of the cement powder tank car by rotatory feeder valve (12).
7. a kind of cementing tank method of modifying of multistage recycling cement dust, which is characterized in that method includes the following steps:
Step 1: providing a dust recycling can, which includes tank body, and the tank deck and tank bottom of the tank body are circular cone
Shape, the tank deck are provided with deduster, high charge level meter, relief valve and the through-hole for installing exhaust pipe, tank bottom and are provided with discharging
Mouthful, discharge port lower end has air blower and discharge tube, and the discharge port is connect by the air blower with discharge tube；
Step 2: providing the cementing tank of multiple top installation exhaust pipes, and the deduster side at the top of cementing tank installs exhaust pipe or will
The original relief valve of cementing tank is removed and installs exhaust pipe additional in pressure release valve position；
Step 3: dust recycling can is mounted on by multiple cementing tanks, and by the exhaust pipe at the top of multiple cementing tanks respectively with powder
The through-hole connection for installing exhaust pipe at the top of dirt recycling can.
8. a kind of cementing tank method of modifying of multistage recycling cement dust as claimed in claim 7, which is characterized in that further include step
Rapid four: an electric cabinet being provided, low level-sensing device is installed at the discharge port of dust recycling can, rotation is installed between discharge port and air blower
Turn feed valve；The high charge level meter of generic dust recycling can and cementing tank and low level-sensing device are electrically connected in electric cabinet
The control circuit of rotatory feeder valve and air blower is electrically connected the control in electric cabinet and opened by the alarm lamp group of different colours
It closes.
9. a kind of cementing tank method of modifying of multistage recycling cement dust as claimed in claim 8, which is characterized in that further include step
Rapid five: the feed inlet of discharge tube and a cementing tank being connected using union, is pacified respectively on multiple cementing tank feed inlets
Pressure sensor is filled, is completed for monitoring to dock between cementing tank feed inlet and union, pressure sensor is electrically connected to electricity
Control the alarm lamp group of another color in case.
10. a kind of cementing tank method of modifying of multistage recycling cement dust as claimed in claim 9, which is characterized in that further include
Step 6: an automatic control system for being used for electric cabinet is provided:
Detect high charge level meter and low level-sensing device in dust recycling can and cementing tank；
When detecting in cementing tank has high charge level meter and low level-sensing device feedback alarm signal, control and high charge level meter in cementing tank
Corresponding alarm lamp is opened with low level-sensing device, when feedback alarm signal is not detected, is performed the next step；
When detecting high charge level meter feedback alarm signal in dust recycling can, the cementing tank that arrives of confirmation pressure sensor monitoring into
The feedback signal that completion is docked between material mouth and union, when not obtaining feedback signal, the alarm lamp group of pressure sensor is complete
It opens in portion；It is performed the next step when obtaining feedback signal；
Air blower is opened, when unlatching air blower reaches preset time, opens rotatory feeder valve, and continue to monitor dust recycling can
Low level-sensing device or cementing tank in high charge level meter whether feedback alarm signal；
When high charge level meter feedback alarm signal in the low level-sensing device or cementing tank for obtaining dust recycling can, rotation feed is closed
Valve closes air blower when closing rotatory feeder valve reaches preset time.
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| CN201810992920.4A CN109079995A (en) | 2018-08-27 | 2018-08-27 | A kind of the cement can system and method for modifying of multistage recycling cement dust |
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| CN201810992920.4A CN109079995A (en) | 2018-08-27 | 2018-08-27 | A kind of the cement can system and method for modifying of multistage recycling cement dust |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112536920A (en) * | 2020-11-16 | 2021-03-23 | 葛洲坝石门特种水泥有限公司 | Mixing process and mixing equipment in cement compounding |
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Application publication date: 20181225 |