CN103481376A - Stirring dust collection method and device of stirring station - Google Patents
Stirring dust collection method and device of stirring station Download PDFInfo
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- CN103481376A CN103481376A CN201310405683.4A CN201310405683A CN103481376A CN 103481376 A CN103481376 A CN 103481376A CN 201310405683 A CN201310405683 A CN 201310405683A CN 103481376 A CN103481376 A CN 103481376A
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- 239000000428 dust Substances 0.000 title claims abstract description 137
- 238000003756 stirring Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 345
- 238000005303 weighing Methods 0.000 claims abstract description 60
- 230000008569 process Effects 0.000 claims abstract description 50
- 238000005507 spraying Methods 0.000 claims abstract description 47
- 239000007921 spray Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000013019 agitation Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 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
- B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention provides a stirring dust collection method and a device of a stirring station. The method comprises the following steps: carrying out water spraying for dust collecting on aggregate weighed by the stirring station, aggregate during the discharging process, and aggregate during the processes from a charging process to a hopper charging process by utilizing dust collecting water in a dust collecting water box; calculating the gross amount of the dust collecting water in the dust collecting water box; controlling the formula water needing to be injected into a hopper practically of a formula water box according to the total water amount needed by aggregate stirring and the gross amount of the dust collecting water, thus ensuring that the total water amount of the dust collecting water and the formula water is the total water amount needed by aggregate stirring, the dust collecting water used in processes from weighing to hopper stirring of the aggregate is within the range of the total water amount needed by practical stirring, the water content of concrete obtained by stirring can not be influenced, and the quality of concrete is guaranteed.
Description
Technical Field
The invention relates to a mixing station, in particular to a mixing and dust removing method and device for the mixing station.
Background
At present, materials used in a mixing station are gravel, fly ash and cement, the materials contain dust or are dust, and during production operation, due to the action of gravity or wind power, the dust flies upward, and the surrounding environment is seriously affected. The whole mixing station is provided with a piece of dust on the ground and the formed objects, and once the dust rises, the dust is blown up and becomes a pollution source in the area. Meanwhile, the dust has certain influence on the operation of the stirring station equipment, the maintenance and the overhaul of field workers are inconvenient, and the upper surfaces of the box bodies such as additives arranged on the ground are not washed for a long time due to too much dust to cause caking.
With the development of economy, the society pays more attention to environmental protection, and the country pays more attention to the phenomenon of dust pollution of a mixing plant. At present, a forbidden system is adopted for mixing plants which generate serious dust in some front-line cities, the requirement is certainly pushed everywhere along with the development of the urbanization process, and the mixing plants which have low dust emission and zero emission are more and more valued and favored by the market. Therefore, low and zero emission of dust of the mixing plant is one of the keys occupying the market, and the realization of low and zero emission of dust of the mixing plant is the development trend of the mixing plant.
The dust mixed in the sand and stone materials used in the mixing plant is caused to be scattered into the air in various production processes such as feeding sand and stone to the aggregate bin, discharging to the weighing hopper, discharging to the flat belt, conveying by the inclined belt, pouring into the material waiting hopper from the inclined belt, discharging to the mixing host machine and the like, so that the dust pollution of the sand and stone materials is caused. And excessive aggregate formula water or other conditions can be caused after the stirring dust is sprinkled and dedusted, so that the stirring quality is influenced.
Therefore, the problem that a large amount of dust pollution is easily caused in the working process of the existing stirring station is a technical problem to be solved in the field.
Disclosure of Invention
In view of the above, the present invention aims to provide a stirring dust removal method and device to solve the problem that the existing stirring station is very easy to cause a large amount of dust pollution in the working process.
The invention provides a stirring dust removal method for a stirring station, which comprises the following steps:
spraying water for dedusting the aggregate weighed by the mixing station by using dedusting water in the dedusting water tank;
spraying water for dedusting the aggregate in the unloading process by using dedusting water in a dedusting water tank;
spraying water for dedusting the aggregate fed to the hopper by using dedusting water in the dedusting water tank;
calculating the total amount of dedusting water in the dedusting water tank;
and controlling the formula water which is actually injected into the hopper by the formula water tank according to the total water amount required by stirring the aggregate and the total amount of the dedusting water.
Further, spraying water for dedusting the aggregate weighed by the mixing station by using dedusting water in the dedusting water tank; the method also comprises the following steps:
and spraying water for dedusting aggregate in the weighing process of the mixing station by using dedusting water in the dedusting water tank.
Further, the calculating the total amount of the dedusting water in the dedusting water tank comprises:
weighing the total weight of the dedusting water tank before dedusting;
weighing the total weight of the dedusting water tank after dedusting;
and subtracting the total weight of the dedusting water tank after dedusting from the total weight of the dedusting water tank before dedusting to obtain the total amount of the dedusting water in the dedusting water tank.
Further, the required total water amount is calculated as: :
and calculating the total water amount required by stirring the aggregate according to the weight of the aggregate and a preset production formula.
Further, the recipe water that the control recipe water tank should actually fill into the hopper includes:
and subtracting the total amount of the dedusting water from the total amount of the aggregate required by stirring to obtain the weight of the formula water which is actually injected into the hopper by the formula water tank.
Furthermore, the dedusting water of the dedusting water tank is sprayed with water for dedusting after atomization treatment; and the number of the first and second groups,
and setting water spraying time and delay stopping time in the dust removing process of the dust removing water tank.
The invention also provides a stirring dust removal device of the stirring station, which comprises:
the weighing and dust removing device is used for spraying water to remove dust on the aggregate weighed by the mixing station;
the unloading dust removal device is used for spraying water to remove dust of the aggregate in the unloading process;
the feeding and dedusting device is used for spraying water to remove dust of the aggregate in the process of feeding the aggregate to the hopper;
the first calculating device is used for calculating the total amount of the dedusting water in the dedusting water tank; the water tank for dedusting provides dedusting water for the weighing dedusting device, the unloading dedusting device and the feeding dedusting device through the water outlet pipe;
and the control device is used for controlling the formula water which is actually injected into the hopper by the formula water tank according to the total water amount required by aggregate stirring and the total amount of the dedusting water.
Furthermore, the weighing and dust removing device is also used for spraying water for removing dust from the aggregate in the weighing process of the mixing station;
the first computing device includes:
the first weighing device is used for weighing the total weight of the dedusting water tank before dedusting;
the second weighing device is used for weighing the total weight of the dedusting water tank after dedusting;
the first calculating device subtracts the total weight of the dedusting water in the dedusting water tank from the total weight of the dedusting water tank before dedusting to obtain the total amount of the dedusting water in the dedusting water tank.
Further, the control device includes:
the second calculation device is used for calculating the total water amount required by stirring the aggregate according to the weight of the aggregate;
the third calculating device subtracts the total amount of the dedusting water from the total amount of the aggregate stirring water to obtain the weight of the formula water which is actually injected into the hopper by the formula water tank; wherein,
the control device controls the formula water tank to fill water into the hopper according to the weight of the formula water which is actually required to be filled into the hopper.
Furthermore, the dedusting water of the dedusting water tank is connected with a first water inlet on the wide surface side of the conical mixing cavity through a water pipe; a second water inlet on the wide surface side of the conical mixing cavity is connected with a high-pressure air pipe;
a water outlet is formed in the narrow side of the conical mixing cavity and is connected with a spray head through a water pipe;
the control device is also provided with a time setting device, wherein,
the time setting device is used for setting water spraying time and delay stopping time.
Compared with the prior art, the invention has the beneficial effects
The invention provides a stirring dust removal method for a stirring station, which comprises the following steps: carrying out water spraying and dust removal on the weighed aggregate in the mixing station, the aggregate in the unloading process and the aggregate in the feeding process to the hopper by using dust removing water in the dust removing water tank; then calculating the total amount of the dedusting water in the dedusting water tank; and controlling the formula water which is actually injected into the hopper by the formula water tank according to the total water amount required by stirring the aggregate and the total amount of the dedusting water. Therefore, the total amount of water used for dedusting and the formula water is the total water amount required by aggregate stirring, so that the total water amount required by the dedusting water is actually stirred in the process from weighing aggregate to stirring by the hopper, the water content of finally stirred concrete is not influenced, and the quality of the concrete is ensured.
Drawings
FIG. 1 is a schematic block diagram of a method for dedusting and stirring in a stirring station according to an embodiment of the present invention;
FIG. 2 is a schematic block diagram of a stirring and dedusting process of the stirring station in the embodiment of the invention;
FIG. 3 is a block diagram schematically illustrating the structure of a stirring and dust-removing device of a stirring station in an embodiment of the present invention;
FIG. 4 is a schematic view of a coupling structure of a conical mixing chamber in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a showerhead according to an embodiment of the present invention.
Description of reference numerals: 1. a conical mixing chamber; 11. a first water inlet; 12. a second water inlet; 13. a first check valve; 14. a second one-way valve; 15. a water outlet; 2. and (4) a spray head.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the description and sequence of descriptions of specific structures in this section are merely illustrative of specific embodiments and should not be construed as limiting the scope of the invention in any way.
The embodiment of the invention provides a stirring dust removal method for a stirring station, which comprises the following specific steps as shown in figure 1:
step one, spraying water for dedusting the weighed aggregate in the mixing station by using dedusting water in a dedusting water tank.
And secondly, spraying water for dedusting the aggregate in the unloading process by using dedusting water in the dedusting water tank.
And thirdly, spraying water for dedusting the aggregate fed to the hopper by using dedusting water in the dedusting water tank.
And step four, calculating the total amount of the dedusting water in the dedusting water tank.
And step five, controlling the formula water which is actually injected into the hopper by the formula water tank according to the total water amount required by aggregate stirring and the total amount of the dedusting water.
Therefore, the total amount of water used for dedusting and the total amount of formula water are the total amount of water required for aggregate stirring, so that the aggregate can be effectively dedusted from weighing to stirring in a hopper, the water content of concrete is not influenced, and the quality of the concrete is ensured. The dedusting water tank is used for providing water for dedusting, and the formula water tank is used for supplying formula water required by aggregate stirring.
The first step also comprises the following steps: and spraying water for dedusting aggregate in the weighing process of the mixing station by using dedusting water in the dedusting water tank.
Because the raise dust phenomenon just appears easily in the aggregate weighing process, so just can remove dust to the aggregate when the aggregate is weighed, because the aggregate weight of stirring at the stirring station at every turn is great, so can ignore the dust removal water that relative weight is less, so, just can carry out the watering dust removal to the aggregate in weighing in the aggregate weighing process, reduce the raise dust phenomenon.
The fourth step is specifically as follows: firstly, weighing the total weight of a dust removal water tank before dust removal; then weighing the total weight of the dedusting water tank after dedusting; and finally, subtracting the total weight of the dedusting water tank after dedusting from the total weight of the dedusting water tank before dedusting to obtain the total amount of the dedusting water in the dedusting water tank.
The total amount of water used for dedusting is accurately calculated because the aggregate in the weighing process, the unloading process and the feeding process of the mixing station is sprayed with water for dedusting and the water used in the processes is dedusting water in the dedusting water tank; of course, as another option, a height sensor may also be disposed in the dust removal water tank to measure the volume of the discharged dust removal water to calculate the amount of the dust removal water.
And step five, calculating the total water quantity required by stirring the aggregate according to the weight of the aggregate and a preset production formula.
After the aggregates are weighed, calculating the amount of kilogram of water corresponding to the corresponding weight of aggregates according to the production formula stored in the system previously, and then adding formula water according to the water required by the stirring of the aggregates. The amount of the formula water added is obtained by subtracting the total amount of the dedusting water from the total amount of the aggregate required by stirring to obtain the weight of the formula water which is actually injected into the hopper by the formula water tank.
Therefore, the water for dedusting can be calculated in the water for the aggregate formula, and during specific operation, the amount of the dedusting water can be reduced when the formula water is added to the aggregates in the hopper by the formula water tank, so that the actual water for the aggregates is the water consumption required by the aggregates calculated in the production formula, the water content of the stirred concrete is kept unchanged, and the quality of the concrete is improved.
In addition, in order to improve the dust removal effect, the dust removal water of the dust removal water tank can be sprayed for dust removal after atomization treatment; and the water spraying time and the delay stopping time are set in the dust removing process of the dust removing water tank. So as to achieve the accurate dust removal of the aggregate.
The concrete working process is that the whole dedusting water is stored in a dedusting water tank, a weighing sensor is additionally arranged on the dedusting water tank to measure the weight of the dedusting water used by the dedusting water tank, the weight of the dedusting water used in each aggregate process can be counted into the total amount of the water needed by the whole aggregate stirring, and the formula quality of the whole concrete is not influenced.
The whole control system can be written on an upper computer through a preset program; as shown in fig. 2, the upper computer sets the time delay closing time of water spraying and dust removing for the weighed aggregates, the aggregates in the unloading process and the aggregates in the feeding process to the hopper, and downloads production formulas with the weights corresponding to the formula water for the aggregates with different weights on the upper computer.
As shown in fig. 2, the dust fall water is separately stored in one dust removal water tank, and the formulation water is separately stored in the formulation water tank. The host computer reads the weight value of dust removal water tank and preserves before water spray dust removal, and dust removal water tank weight is CC1 (KG). Monitoring the aggregate weighing process through an upper computer, then opening a dust removal spray head corresponding to the aggregate weighing, and spraying water to remove dust for the aggregate in the weighing process. Then, the aggregate enters the unloading process, the upper computer monitors the unloading process of the aggregate, the water spraying in the aggregate weighing process is closed in a delayed mode according to the preset closing delay time, and meanwhile the water spraying and dust removing in the aggregate unloading process are started. And finally, the upper computer monitors that the aggregate enters the hopper at the adapter, the water spraying dust removal in the aggregate unloading process is delayed to be closed, and the water spraying dust removal of the aggregate adapter is started at the same time.
After the water spraying and dust removing are finished, the weight of the dust removing water tank is read and stored to be CC2 (KG). Then, measuring the water amount GC (KG) used for dust settling, namely: GC = CC1-CC 2. Calculating the weight GA (KG) of water discharged into the hopper actually to be discharged from the formula water tank in the upper computer, wherein the calculation process is as follows: the total water quantity needed by the aggregate PF1 (KG) is subtracted by the water quantity GC for dust fall, namely: GA = PF 1-GC. And stopping water discharge when the water discharge amount of the formula water tank is GA.
The working process of each water spraying dust removal is as follows:
spraying water by an aggregate weighing hopper: when a coarse and fine weighing signal is monitored, a switch valve opening signal of a water spraying and dedusting water pipe of the weighing hopper is given, and water is sprayed; and (5) delaying TA (3-5) seconds to stop spraying water after the sand and stone are weighed.
Spraying water from an aggregate discharge hopper: when a material unloading signal of the weighing hopper is monitored, a switch valve opening signal of a flat belt water spraying and dedusting water pipe is given to spray water; and (5) stopping water spraying after the discharging signal is closed and TA (8-10) seconds is delayed.
Grit switching mouth atomizer water spray: and after monitoring the sandstone aggregate unloading signal, starting to spray water for dedusting the aggregate, and delaying TA (10-12) seconds to stop spraying water after the unloading signal is closed.
The present invention also provides a dust removing device for a mixing plant, as shown in fig. 3, comprising: weighing dust removal device, unloading dust removal device, feeding dust removal device, first calculating device and control device. The weighing and dedusting device is used for spraying water to remove dust from the aggregate weighed by the mixing station; the unloading dust removal device is used for spraying water to remove dust of the aggregate in the unloading process; the feeding and dedusting device is used for spraying water to remove dust of the aggregate in the process of feeding the aggregate to the hopper; the first calculating device is used for calculating the total amount of the dedusting water in the dedusting water tank; the control device controls the formula water which is actually injected into the hopper by the formula water tank according to the total water amount required by the aggregate stirring and the total amount of the dedusting water.
Wherein, the dust collector that weighs still includes, utilizes the interior dust removal water of dust removal water tank to carry out water spray dust removal to the aggregate of stirring station weighing in-process.
The first computing device includes: a first weighing device and a second weighing device; the first weighing device is used for weighing the total weight of the dedusting water tank before dedusting; the second weighing device is used for weighing the total weight of the dedusting water tank after dedusting; the first calculating device subtracts the total weight of the dedusting water in the dedusting water tank from the total weight of the dedusting water tank before dedusting to obtain the total amount of the dedusting water in the dedusting water tank.
Wherein the control device includes: a second computing device and a third computing device; the second calculating device is used for calculating the total water amount required by stirring the aggregate according to the weight of the aggregate; the third calculating device is used for subtracting the total amount of the dedusting water from the total amount of the aggregate stirring water to obtain the weight of the formula water which is actually injected into the hopper by the formula water tank; the control device controls the formula water tank to inject water into the hopper according to the weight of formula water which is actually required to be injected into the hopper.
The control device is also provided with a time setting device, and the time setting device is used for setting water spraying time and delay stopping time. So as to realize the closing delay time of the symmetrical weight dust removal device, the unloading dust removal device and the feeding dust removal device.
The dust removal water tank provides dust removal water for the weighing dust removal device, the unloading dust removal device and the feeding dust removal device through water pipes, the weighing dust removal device, the unloading dust removal device and the feeding dust removal device are respectively connected with the spray heads through respective control valves, and the control valves are controlled through the control devices. In addition, the weighing and dust removing device is arranged to facilitate the aggregate on the weighing platform after the weighing process, and the concrete arrangement is subject to the actual working condition; the discharging and dust removing device aims at the aggregate in the discharging process after weighing through a spray head, and the specific arrangement position is based on the actual working condition; the discharging dust removal device and the feeding dust removal device aim at aggregate fed to the hopper, and the specific arrangement position is based on actual working conditions.
Because the water for dust removal is the water in the dust removal water tank, the weighing sensor is arranged at the bottom of the dust removal water tank, and the water for dust removal of the dust removal water tank is calculated by the first calculating device, so that the first calculating device can be integrated on the control device or can be independently arranged; the control device generally uses an upper computer, the control device realizes the dust removal of the aggregates at different positions by detecting the positions of the aggregates and controlling the control valves of the weighing dust removal device, the unloading dust removal device and the feeding dust removal device, and then the closing delay time of the weighing dust removal device, the unloading dust removal device and the feeding dust removal device is set by the time setting device. And finally, controlling the amount of the formula water provided by the formula water tank to be the amount actually used by the aggregate by combining the amount of the dedusting water calculated by the first calculating device.
As shown in fig. 4 and 5, the dedusting water of the dedusting water tank is connected with a first water inlet 11 on the wide surface side of the conical mixing cavity 1 through a water pipe; the second water inlet 12 on the wide surface side of the conical mixing cavity 1 is connected with a high-pressure air pipe; in order to facilitate the control of the water pipe and the high-pressure air pipe, a first check valve 13 and a second check valve 14 are respectively arranged on the water pipe and the high-pressure air pipe. A water outlet 15 is arranged on the narrow side of the conical mixing cavity 1 and is connected with the spray head 2 through a water pipe; the spray head 2 is a honeycomb-shaped porous spray head, so that the atomization effect is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A stirring dust removal method of a stirring station is characterized by comprising the following steps:
spraying water for dedusting the aggregate weighed by the mixing station by using dedusting water in the dedusting water tank;
spraying water for dedusting the aggregate in the unloading process by using dedusting water in a dedusting water tank;
spraying water for dedusting the aggregate fed to the hopper by using dedusting water in the dedusting water tank;
calculating the total amount of dedusting water in the dedusting water tank; and controlling the formula water which is actually injected into the hopper by the formula water tank according to the total water amount required by stirring the aggregate and the total amount of the dedusting water.
2. The method for removing dust by stirring at a stirring station according to claim 1, wherein: before the aggregate after utilizing dust removal water to weigh in the dust removal water tank to the stirring station carries out water spray dust removal, still include:
and spraying water for dedusting aggregate in the weighing process of the mixing station by using dedusting water in the dedusting water tank.
3. The stirring dust removing method of a stirring station as set forth in claim 1 or 2, characterized in that: the calculation of the total amount of the dedusting water in the dedusting water tank comprises the following steps:
weighing the total weight of the dedusting water tank before dedusting;
weighing the total weight of the dedusting water tank after dedusting;
and subtracting the total weight of the dedusting water tank after dedusting from the total weight of the dedusting water tank before dedusting to obtain the total amount of the dedusting water in the dedusting water tank.
4. A method of dedusting by agitation in a mixing station as set forth in claim 3, wherein: the required total water amount is calculated as:
and calculating the total water amount required by stirring the aggregate according to the weight of the aggregate and a preset production formula.
5. The method for removing dust by stirring at a stirring station according to claim 4, wherein: the formula water which should be actually filled into the hopper by the formula control water tank comprises the following components:
and subtracting the total amount of the dedusting water from the total amount of the aggregate required by stirring to obtain the weight of the formula water which is actually injected into the hopper by the formula water tank.
6. The method for removing dust by stirring at a stirring station according to claim 5, wherein:
the dedusting water of the dedusting water tank is atomized and then sprayed with water for dedusting; and the number of the first and second groups,
and setting water spraying time and delay stopping time in the dust removing process of the dust removing water tank.
7. The utility model provides a stirring dust collector of stirring station which characterized in that includes:
the weighing and dust removing device is used for spraying water to remove dust on the aggregate weighed by the mixing station;
the unloading dust removal device is used for spraying water to remove dust of the aggregate in the unloading process;
the feeding and dedusting device is used for spraying water to remove dust of the aggregate in the process of feeding the aggregate to the hopper;
the first calculating device is used for calculating the total amount of the dedusting water in the dedusting water tank; the water tank for dedusting provides dedusting water for the weighing dedusting device, the unloading dedusting device and the feeding dedusting device through the water outlet pipe;
and the control device is used for controlling the formula water which is actually injected into the hopper by the formula water tank according to the total water amount required by aggregate stirring and the total amount of the dedusting water.
8. The mixing plant of claim 7, wherein: the weighing and dust removing device is also used for spraying water to remove dust of the aggregate in the weighing process of the mixing station;
the first computing device includes:
the first weighing device is used for weighing the total weight of the dedusting water tank before dedusting;
the second weighing device is used for weighing the total weight of the dedusting water tank after dedusting;
the first calculating device subtracts the total weight of the dedusting water in the dedusting water tank from the total weight of the dedusting water tank before dedusting to obtain the total amount of the dedusting water in the dedusting water tank.
9. The mixing plant of claim 7, wherein: the control device includes:
the second calculation device is used for calculating the total water amount required by stirring the aggregate according to the weight of the aggregate;
the third calculating device subtracts the total amount of the dedusting water from the total amount of the aggregate stirring water to obtain the weight of the formula water which is actually injected into the hopper by the formula water tank; wherein,
the control device controls the formula water tank to fill water into the hopper according to the weight of the formula water which is actually required to be filled into the hopper.
10. The mixing plant of claim 7, wherein: the dedusting water of the dedusting water tank is connected with a first water inlet (11) on the wide surface side of the conical mixing cavity (1) through a water pipe; a second water inlet (12) on the wide surface side of the conical mixing cavity (1) is connected with a high-pressure air pipe;
a water outlet (15) is formed in the narrow side of the conical mixing cavity (1), and the water outlet (15) is connected with the spray head (2) through a water pipe;
the control device is also provided with a time setting device, wherein,
the time setting device is used for setting water spraying time and delay stopping time.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104689664A (en) * | 2015-02-17 | 2015-06-10 | 厦门美益集团有限公司 | Dust wastewater treatment method for green production of premixed concrete |
| CN105563657A (en) * | 2015-12-18 | 2016-05-11 | 湖南三一路面机械有限公司 | Mixing station spray dust removal control method and mixing station |
| CN112428442A (en) * | 2020-11-18 | 2021-03-02 | 四川兴城港瑞建材有限公司 | Aggregate conveying system of concrete mixing station and arrangement method |
| CN112571628A (en) * | 2020-12-05 | 2021-03-30 | 郴州中祁工程材料有限公司 | Water quantity control method and system for concrete mixing plant, electronic equipment and storage medium thereof |
| CN113843897A (en) * | 2020-06-25 | 2021-12-28 | 张云轩 | Aggregate dustproof method for mixing plant |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104689664A (en) * | 2015-02-17 | 2015-06-10 | 厦门美益集团有限公司 | Dust wastewater treatment method for green production of premixed concrete |
| CN104689664B (en) * | 2015-02-17 | 2017-05-10 | 厦门美益集团有限公司 | Dust wastewater treatment method for green production of premixed concrete |
| CN105563657A (en) * | 2015-12-18 | 2016-05-11 | 湖南三一路面机械有限公司 | Mixing station spray dust removal control method and mixing station |
| CN105563657B (en) * | 2015-12-18 | 2018-11-20 | 湖南三一路面机械有限公司 | A kind of mixing plant spraying and dedusting control method and mixing plant |
| CN113843897A (en) * | 2020-06-25 | 2021-12-28 | 张云轩 | Aggregate dustproof method for mixing plant |
| CN112428442A (en) * | 2020-11-18 | 2021-03-02 | 四川兴城港瑞建材有限公司 | Aggregate conveying system of concrete mixing station and arrangement method |
| CN112571628A (en) * | 2020-12-05 | 2021-03-30 | 郴州中祁工程材料有限公司 | Water quantity control method and system for concrete mixing plant, electronic equipment and storage medium thereof |
| CN115056357A (en) * | 2022-07-05 | 2022-09-16 | 安徽龙振建设有限公司 | Dustproof control system and method for concrete mixing plant |
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