CN106272977B

CN106272977B - Sand material humidification system and method

Info

Publication number: CN106272977B
Application number: CN201510267175.3A
Authority: CN
Inventors: 许平增; 王晨鹏
Original assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Current assignee: Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date: 2015-05-22
Filing date: 2015-05-22
Publication date: 2019-04-12
Anticipated expiration: 2035-05-22
Also published as: CN106272977A

Abstract

The invention discloses a kind of sand material humidification system and methods.Wherein, which includes: to mix wet machine；Equipment is acquired, is connect with wet machine is mixed, the throughput of the sand material for obtaining the rotating cylinder by mixing wet machine, and the dry sand throughput signal wait enter the rotating cylinder for mixing wet machine is generated according to the throughput of sand material；Equipment is controlled, establishes and communicates with acquisition equipment, is sent to humidifier for obtaining the corresponding humidification water demand signal of dry sand throughput signal, and by humidification water demand signal；Humidifier establishes communication with equipment is controlled, for according to humidification water demand signal, controlling to the humidification water flow for mixing wet machine rotating cylinder conveying.The present invention, which solves, mixes the technical issues of moisture content of wet machine output sand material cannot be accurately controlled.

Description

Sand material humidification system and method

Technical field

The present invention relates to Engineering Control fields, in particular to a kind of sand material humidification system and method.

Background technique

With the rapid development of our country's economy, building sand amount is more and more, and natural river sand is as non-renewable resources Fewer and fewer.In order to adapt to nation-building and environmental protection needs, it would be desirable to develop outstanding sand manufacturing machine processed and produce Product.

Wet machine is mixed as sand processed and produces line terminal equipment, humidification stirs evenly by spraying water, and makes the finished product for mixing wet machine output Sand has certain moisture content, thus the working performance for mixing wet machine humidification system is directly related to the quality of finished sand.How to guarantee The moisture content for mixing the finished sand of wet machine output, is urgent problem.However in the related technology, mixing wet machine humidification system can not Humidification water is accurately controlled according to sand material throughput, and then not can guarantee the moisture content for mixing wet machine output sand material；Stop when suddenly When water, the sand production line processed mixed in wet machine humidification system will not stop at once, the sand material for mixing the output of wet machine at this time be dry sand at Product damp sand mixture, reduces the quality of finished sand.

For above-mentioned problem, currently no effective solution has been proposed.

Summary of the invention

The embodiment of the invention provides a kind of sand material humidification system and methods, at least to solve to mix containing for wet machine output sand material The technical issues of water rate cannot be accurately controlled.

According to an aspect of an embodiment of the present invention, a kind of sand material humidification system is provided, which includes: to mix wet machine； Equipment is acquired, is connect with wet machine is mixed, the throughput of the sand material for obtaining the rotating cylinder by mixing wet machine, and passing through according to sand material Amount generates the dry sand throughput signal wait enter the rotating cylinder for mixing wet machine；Equipment is controlled, establishes and communicates with acquisition equipment, for obtaining The corresponding humidification water demand signal of dry sand throughput signal, and humidification water demand signal is sent to humidifier；Humidifier, Communication is established with equipment is controlled, for according to humidification water demand signal, controlling to the humidification water flow for mixing wet machine rotating cylinder conveying.

Further, acquisition equipment, which is located at, mixes the sand inlet of wet machine, perhaps positioned at mixing inside wet machine or positioned at mixing wet machine Sand export.

Further, in the case where acquisition equipment is located at and mixes inside wet machine or positioned at the sand export for mixing wet machine, acquisition Equipment obtains the throughput of the damp sand in the rotating cylinder for mixing wet machine or mixes the throughput for the damp sand that wet machine transfers out, and according to default The damp sand for mixing wet machine moisture content and damp sand throughput, calculate the throughput wait enter the dry sand for mixing wet machine, generate dry Sand throughput signal.

Further, before acquiring equipment and being located at the sand inlet for mixing wet machine in the case where, control equipment needs humidification water Humidifier is sent to after the amount of asking signal delay preset time period, wherein preset time period is delivered to from acquisition equipment for sand material and mixes Time needed for wet machine rotating cylinder.

Further, humidifier includes: frequency converter, for generating the corresponding pump rotary speed of humidification water demand signal；Water Pump, connect with frequency converter, works according to the corresponding pump rotary speed of humidification water demand signal, extremely by pipeline by humidification water Mix wet machine rotating cylinder.

Further, humidifier further include: sprinkling device is arranged in and mixes in wet machine rotating cylinder, sprays the water outlet of device only Towards the default sprinkling region setting mixed in wet machine rotating cylinder.

Further, humidifier further include: water container, water pump are installed on water container bottom, the capacity of water container It mixes the wet machine rotating cylinder moment not less than playing sand material from the sand material humidification system shutdown moment and stopping entering and stops, needed for sand material humidification system Humidification water.

Further, humidifier further include: liquid-level switch is set to the water inlet of water container, will be in water container Height of water level maintains preset height.

Further, acquisition equipment includes any one following equipment: weighing equipment, cubing equipment and Image Acquisition Equipment.

Further, in the case where acquiring equipment is weighing equipment, weighing equipment weighs the sand by mixing wet machine rotating cylinder The weight of material, and generate dry sand throughput signal.

Further, in the case where acquiring equipment is cubing equipment, acquisition device measuring is by mixing wet machine rotating cylinder Sand material throughput volume, calculate sand material throughput simultaneously generate dry sand throughput signal.

Further, in the case where acquiring equipment is image capture device, acquisition equipment acquisition is by mixing wet machine rotating cylinder Sand material throughput image, and according to acquired image calculate sand material throughput, generate dry sand throughput signal.

Further, sand material humidification system further include: for the screening machine for mixing wet machine conveying sand material, screening machine to be used for The coarse sand that transmission comes is subjected to screening and generates sand material.

According to another aspect of an embodiment of the present invention, a kind of sand material air-humidification method of sand material humidification system, sand are additionally provided Material humidification system includes mixing wet machine, this method comprises: receiving the dry sand throughput signal wait enter the rotating cylinder for mixing wet machine, wherein The throughput that dry sand throughput signal is mixed the sand material of the rotating cylinder of wet machine by acquisition equipment according to the process of acquisition generates；Obtain dry sand The corresponding humidification water demand signal of throughput signal；Humidification water demand signal is sent to humidifier, wherein humidifier root It controls according to humidification water demand signal to the humidification water flow for mixing wet machine rotating cylinder conveying.

Further, acquisition equipment, which is located at, mixes the sand inlet of wet machine, perhaps positioned at mixing inside wet machine or positioned at mixing wet machine Sand export, wherein screening machine generates sand material and is delivered to and mixes wet machine for coarse sand that transmission comes to be carried out screening.

Further, before acquiring equipment and being located at the sand inlet for mixing wet machine in the case where, water demand letter will humidified It number is sent to before humidifier, method further include: wait preset time period, wherein after waiting preset time period, executing will add The step of wet water demand signal is sent to humidifier, preset time period are delivered to from acquisition equipment for sand material and mix wet machine rotating cylinder institute The time needed.

Further, humidifier is controlled according to humidification water demand signal to the humidification water flow packet for mixing wet machine rotating cylinder conveying It includes: obtaining the corresponding pump rotary speed of humidification water demand signal；Control water pump works according to pump rotary speed, and humidification water is passed through pipe Road, which is delivered to, mixes wet machine rotating cylinder.

Further, humidification water is being passed through into pipeline to after mixing wet machine rotating cylinder, according to humidification water demand signal, control It makes to the humidification water flow for mixing wet machine rotating cylinder conveying further include: humidification water is sprayed to the default sprinkling area mixed in wet machine rotating cylinder Domain.

Further, water pump is installed on water container bottom, and the capacity of water container, which is not less than from sand material humidification system, to close The machine moment, which plays sand material and stops entering, mixes the wet machine rotating cylinder moment and stops, humidification water needed for sand material humidification system.

Further, the water inlet of water container is provided with liquid-level switch, for tieing up the height of water level in water container It holds in preset height.

Further, in the case where acquiring equipment is weighing equipment, weighing equipment weighs the sand by mixing wet machine rotating cylinder The throughput of material, and generate dry sand throughput signal.

Further, in the case where acquiring equipment is cubing equipment, acquisition device measuring is by mixing wet machine rotating cylinder Sand material volume, calculate sand material throughput simultaneously generate dry sand throughput signal.

Further, in the case where acquiring equipment is image capture device, acquisition equipment acquisition is by mixing wet machine rotating cylinder Sand material image, and according to acquired image calculate sand material throughput, generate dry sand throughput signal.

In embodiments of the present invention, using sand material humidification system, which includes: to mix wet machine；Equipment is acquired, for obtaining By mixing the throughput of the sand material of the rotating cylinder of wet machine, and generate wait enter the dry sand throughput signal for mixing wet machine rotating cylinder；Control is set It is standby, it establishes and communicates with acquisition equipment, for obtaining the corresponding humidification water demand signal of dry sand throughput signal, and by humidification water Demand signal is sent to humidifier；Humidifier is established with control equipment and is communicated, for according to humidification water demand signal, control It makes to the humidification water flow for mixing wet machine rotating cylinder conveying.The present invention, which solves, to mix the moisture content of wet machine output sand material and cannot accurately be controlled The technical issues of processed.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:

Fig. 1 is the process schematic according to an embodiment of the present invention for mixing wet machine humidification sand material；

Fig. 2 is the structural schematic diagram of sand material humidification system according to an embodiment of the present invention；

Fig. 3 is a kind of structural schematic diagram of optional humidifier according to an embodiment of the present invention；

Fig. 4 is a kind of control flow schematic diagram of optional sand material humidification system according to an embodiment of the present invention；

Fig. 5 is the control flow schematic diagram of another optional sand material humidification system according to an embodiment of the present invention；

Fig. 6 is the flow chart of the sand material air-humidification method of sand material humidification system according to an embodiment of the present invention.

Specific embodiment

In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work It encloses.

It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product Or other step or units that equipment is intrinsic.

Embodiment one

According to embodiments of the present invention, a kind of sand material humidification system embodiment is provided.

Fig. 1 is the process schematic according to an embodiment of the present invention for mixing wet machine humidification sand material, as shown in Figure 1, screening machine passes It is defeated come the sand material not humidified, in the embodiment of the present invention or abbreviation dry sand, delivered by feed inlet 1 and mix wet machine.Meanwhile it passing Defeated next humidification water is entered by sprinkling device 2 mixes wet machine.Dry sand and humidification water are sufficiently stirred mixed in the rotating cylinder 3 for mixing wet machine It closes, ultimately forms the humidification sand material for meeting predetermined water content requirement, in the embodiment of the present invention or abbreviation finished sand or damp sand.It is formed Damp sand by mix wet machine discharge port 4 export.In embodiments of the present invention, humidification water can be the conventional source waters such as tap water, It is mainly used for humidifying the sand material mixed in wet machine rotating cylinder 3.

The process for mixing wet machine humidification sand material as shown in connection with fig. 1, the embodiment of the invention provides a kind of sand material humidification systems Embodiment.Fig. 2 is the structural schematic diagram of sand material humidification system according to an embodiment of the present invention, as shown in Fig. 2, sand material of the invention Humidification system may include:

Mix wet machine 12；

Equipment 14 is acquired, is connect with wet machine is mixed, the throughput of the sand material for obtaining the rotating cylinder by mixing wet machine 12, and root The dry sand throughput signal wait enter the rotating cylinder for mixing wet machine 12 is generated according to the throughput of sand material；

Equipment 16 is controlled, establishes and communicates with acquisition equipment 14, is needed for obtaining the corresponding humidification water of dry sand throughput signal The amount of asking signal, and humidification water demand signal is sent to humidifier 18；And

Humidifier 18 is established with control equipment 16 and is communicated, for controlling to mixing wet machine 12 according to humidification water demand signal The humidification water flow of rotating cylinder conveying.

In the present invention is implemented, sand material is not humidified and be alternatively referred to as dry sand, humidified sand material and be alternatively referred to as damp sand；Dry sand passes through Amount can as unit of in the time by mixing the quality for not humidifying sand material of wet machine, when acquisition equipment acquisition through mixing wet machine 12 turn When the sand material throughput of cylinder, if the acquisition target of acquisition equipment is not humidify sand material, directly basis sand material can not be humidified Throughput obtains dry sand throughput signal, and throughput of sand material is dry sand throughput in the case of this；If acquiring the acquisition of equipment Object is when having humidified sand material, according to the throughput for having humidified sand material and can humidify the moisture content of sand material, calculating is corresponding not The throughput for humidifying sand material, then obtains dry sand throughput signal further according to the corresponding throughput for not humidifying sand material.Humidification water It can be thoroughly mixed to form damp sand in mixing wet machine rotating cylinder for conventional source waters, a certain proportion of humidification water and sand material such as tap water, Humidify water can as unit of in the time to the quality for mixing the humidification water conveyed in wet machine rotating cylinder.

It should be noted that can be in " throughput for obtaining the sand material of the rotating cylinder by mixing wet machine 12 " in the present invention The throughput (what is obtained is damp sand throughput) for having already passed through the sand material for the rotating cylinder for mixing wet machine 12 is obtained, is also possible to obtain i.e. By by the throughput (i.e. dry sand throughput) of the sand material for the rotating cylinder for mixing wet machine 12, it can also be that acquisition is being passed through and mix wet machine 12 Rotating cylinder sand material throughput (being in the sand material throughput inside the rotating cylinder for mixing wet machine).

In embodiments of the present invention, according to the moisture content of the desired damp sand for mixing wet machine output, available dry sand passes through Corresponding relationship between amount and humidification water demand.Control equipment receives the dry sand throughput signal that acquisition equipment is sent, and obtains The dry sand throughput for taking the dry sand throughput signal to be characterized, and the corresponding humidification of dry sand throughput is obtained according to the corresponding relationship Water demand generates the humidification water demand signal for characterizing the humidification water demand.

In embodiments of the present invention, control equipment includes the digital signal processing device such as MCU, CPU, DSP, memory And necessary communication module.Control equipment and acquisition equipment establish communication relations to guarantee to humidify water and sand throughput and realize It is synchronous real-time controllable, above-mentioned humidification water it is synchronous with realizations of sand throughput it is real-time controllably on the basis of, when acquiring equipment When detecting that the dry sand throughput of the rotating cylinder by mixing wet machine is larger, control equipment generates corresponding humidification water demand letter at this time It number is then the humidification water of larger demand, to guarantee the moisture content of finished sand.

The sand material humidification system of the embodiment of the present invention is got by acquiring equipment to by mixing wet machine (i.e. wait enter) The dry sand throughput of rotating cylinder, and generate dry sand throughput signal；It controls equipment and obtains the corresponding humidification water of dry sand throughput signal Demand signal, and humidification water demand signal is sent to humidifier；Above-mentioned humidifier simultaneously, according to humidification water demand letter Number, it controls to the humidification water flow for mixing wet machine rotating cylinder conveying；The present invention can adjust in real time according to the variation of the throughput of dry sand The flow of humidification water solves and mixes the technical issues of moisture content of wet machine output sand material cannot be accurately controlled, improves sand material The working performance and working efficiency of humidification system have reached sand material humidification water technical effect controllable in real time.

Optionally, humidifier may include:

Frequency converter, for generating the corresponding pump rotary speed of humidification water demand signal；And

Water pump is connect with frequency converter, works according to the corresponding pump rotary speed of humidification water demand signal, humidification water is passed through Pipeline is to mixing wet machine rotating cylinder.

In embodiments of the present invention, Frequency Converter Control pump rotary speed, humidification water is delivered to by water pump from water source mixes wet machine turn In cylinder, so that humidification water and sand material are sufficiently mixed mixing in wet machine rotating cylinder, the finished sand of high quality is generated.It is having abundant water resources In the case where, the water flow of revolving speed and the water pump output of water pump has the corresponding relationship of controllable precise, and the embodiment of the present invention passes through Water pump is pressed to form the mode of stationary flow, avoid because tap water pressure change due to caused by water flow be in uncontrollable state, Or the case where unpredictable state.Water pump works according to the corresponding pump rotary speed of humidification water demand signal, and humidification water is passed through Pipeline is avoided because tap water pressure variation leads to the uncontrollable problem of water flow state, is improved to mixing in wet machine rotating cylinder Sand material humidification system performance controllable in real time.

Optionally, humidifier further include: sprinkling device is placed in and mixes in wet machine rotating cylinder, the water outlet for spraying device is only oriented towards Mix the default sprinkling region setting in wet machine rotating cylinder.

In embodiments of the present invention, presetting sprinkling region is preset a certain region, region edge in mixing wet machine rotating cylinder Mix wet machine rotating cylinder axially and/or radially direction setting.For example, in the axial direction, default sprinkling region, which is preferably provided at, to be leaned on Closely mix the sand inlet of wet machine.In another example generally, when sand material enters rotating cylinder, with the rotation of rotating cylinder, effect of the sand material in gravity It is located at the bottom section of rotating cylinder down, therefore on the circumferencial direction of rotating cylinder, sprinkling device is sprayed towards cylinder bottom region, is preset Spray the region that region can be opposite with device is sprayed for cylinder bottom, the similar fan-shaped region which is.According to humidification The demand of water can be avoided humidification water from being sprayed on the barrel of rotating cylinder side, be caused to accumulate with the default sprinkling region of flexible setting Material.Sprinkling device, which is set to, to be mixed in wet machine rotating cylinder, carries out humidification process to the sand material mixed in wet machine rotating cylinder.If not to sprinkler Part is configured, and a large amount of humidification water may be sprayed directly on the barrel of rotating cylinder, during drum rotation, when having just enter into When the dry sand of rotating cylinder touches the rotating cylinder squirted, sand material can be adhered on rotating cylinder, be easy to cause sand material mix it is wet uneven or The case where barrel buildup, occurs.On the one hand barrel buildup can be such that cylinder increases again, so as to cause energy consumption increase；It on the other hand can be with Buildup layer is more and more thicker, and space is caused in rotating cylinder to be reduced, and reduces sand material and mixes and wet passes through efficiency.Therefore, device is sprayed by setting Water outlet be only oriented towards the default sprinkling region mixed in wet machine rotating cylinder, i.e., sprinkling device by water orientation be sprayed on sand material, avoid Water is sprayed on barrel, so as to avoid the generation of buildup phenomenon.

Optionally, humidifier further include: water container, water pump are installed on water container bottom, and the capacity of water container is not It mixes the wet machine rotating cylinder moment less than playing sand material from the sand material humidification system shutdown moment and stopping entering and stops, needed for sand material humidification system Humidify water.

In the present invention is implemented, water container can be other containers such as water tank, pond or bucket.In practical application scene Under, it is possible that the situation cut off the water suddenly, even if relevant staff can have found to exist side by side at the first time when cutting off the water suddenly It carves and closes humidification system, it is also possible to which humidification system will not be out of service, and sand production line processed may can also be one section because of continued operation Time, until production line stops completely.During this period of time, when sand production line processed does not stop working completely, screening machine is also It is that a large amount of sand material can be delivered to mix wet machine, mixing wet machine may also will continue to operate, it is blended with the sand material output of a large amount of dry sands, Seriously compromise the quality of finished sand.Therefore, humidifier of the invention further includes water container, and water pump is installed on water container bottom Portion, water pump draw water from water container and pump toward sprinkling device, control water flow by frequency converter adjusting Real-time Water pump frequency, Wherein, the capacity of above-mentioned water container be not less than from sand material humidification system shutdown the moment play sand material stop enter mix wet machine rotating cylinder Moment stops, and humidification water needed for sand material humidification system ensure that normal operation when sand production line processed encounters emergency event, into And guarantee the quality of finished sand.A part of water is cached by water container, cuts off the water under situation suddenly, can guarantee enough Water is maintained to sand production line orderly closedown processed, without damaging finished sand quality.

Optionally, in embodiments of the present invention, humidifier further include: liquid-level switch is set to the water inlet of water container, Height of water level in water container is maintained into preset height.

In embodiments of the present invention, if continuing to extract water from water container, it is necessary to constantly be infused into water container Water, when dry sand throughput real-time change, the amount of water required can also change always, if according to fixed rate of water injection to storage It discharges water in water container, may result in the unstable situation of water level in water container, influence normal operation.Therefore, the present invention is real The humidifier for applying example further includes liquid-level switch, and tap water controls injection water container by liquid-level switch, when water container water Liquid-level switch automatically controls injection tap water when insufficient, and when Water in Water Tanks amount reaches preset height, liquid-level switch is automatically closed Tap water.In this case, after in water container by the determined water level of liquid-level switch, the water that can be stored in water container is needed After satisfaction is cut off the water, from sand production line processed shutdown to production line required humidification water completely out of service.By the way that liquid level is arranged Switch, can more efficiently guarantee normal operation when sand production line processed encounters emergency event.

Optionally, humidifier further include: detection part for detecting the height of water level of water container, and is detecting storage When the height of water level of water container is lower than preset water level threshold value, alarm signal or sand material humidification system off signal are generated, guarantees sand Expect the normal operation of humidification system and the quality of finished sand.

Fig. 3 is a kind of structural schematic diagram of optional humidifier according to an embodiment of the present invention, as shown in figure 3, the humidification Device includes: frequency converter (not shown), water pump 81, water container 82, liquid-level switch 83, water inlet 84, water-supply-pipe 85, sprinkling Device 86, detection device (not shown).Wherein, the humidification water demand signal that the transmission of frequency converter receiving control apparatus comes, Humidification water demand signal is converted into pump rotary speed；Water pump 81 works according to the pump rotary speed that frequency converter generates, and water pump 81 is pacified Bottom loaded on water container 82, water-supply-pipe 85 are connect with water pump 81, and are extended to and mixed in wet machine rotating cylinder, by adding for water pump extraction Wet water, which is sent to, mixes wet machine rotating cylinder.In the other end of water-supply-pipe 85, it is connected with sprinkling device 86, sprinkling device 86, which is located at, mixes wet machine turn In cylinder, the water outlet of device is sprayed by rational design, will only be added water water to be sprayed on and be mixed scheduled humidification region in wet machine rotating cylinder. Liquid-level switch 83 is installed at the water inlet 84 of water container 82, controls the height of water level of water container 82.Detection device can pacify Loaded on preset water level height, the water level of water container is detected, when water level detects height lower than it in water container, generates alarm Signal or off signal, off signal, which can be transmitted, gives control equipment, and it is out of service to control entire humidification system.Another optional In embodiment, above-mentioned frequency converter and water pump can also be replaced using motor-driven valve, can constantly be fed back by measuring practical water flow The mode of electronic valve opening is adjusted, to reach practical water flow and the consistent purpose of default water flow.When the water for entering motor-driven valve When pressing constant, through feedback regulation after a period of time, practical water flow will be consistent with presetting water flow.However, motor-driven valve category In high-end control valve, is not suitable for this operating condition of sand production line processed and compares relatively rugged environment；On the other hand, motor-driven valve is logical The aperture for overregulating valve carrys out regulating water flow, is not so good as the combination of frequency converter and water pump to the accurate control effect of water flow, For example, motor-driven valve, which will again pass by a period of time feedback regulation, can be only achieved reality when hydraulic pressure changes after a period of time Water flow is consistent with default water flow, and if hydraulic pressure is unstable and variation is very fast, the time of feedback regulation will not catch up with hydraulic pressure Transformation period, water flow will actually be in uncontrollable state.Humidifier according to Fig.3, in water circuit system, only Have abundant water resources, the relationship of pump rotary speed and water flow may be considered it is determining, in actual operation, by measurement can obtain The relationship of above-mentioned pump rotary speed and water flow out, and then realize the control of water flow.In embodiments of the present invention, pass through frequency converter Humidification water demand signal is generated, and then adjusts pump rotary speed, simply and efficiently realizes water flow characteristic controllable in real time.

Optionally, in embodiments of the present invention, above-mentioned acquisition equipment can be located at before the sand inlet for mixing wet machine, Huo Zhewei In mixing inside wet machine, or positioned at the sand export for mixing wet machine.

In a kind of optinal plan provided in an embodiment of the present invention, acquisition equipment can be located at mix wet machine sand inlet it Before, i.e., acquisition equipment can be located at the sand material input port for mixing wet machine or before mixing wet machine sand material input port, for example, when in machine In sand production line processed, when having screening machine, feeding mixes wet machine after sand material passes through screening machine, at this point, acquisition equipment can position In screening machine and mix between wet machine；In another example be not set in production line when mixing wet machine, but when being separately provided, mix Wet machine is for when carrying out mixing wet to finished product dry sand, acquisition equipment can be set to the sand inlet for mixing wet machine.At this point, acquisition equipment The process of acquisition mixes the throughput of the sand material of wet machine rotating cylinder, as wait enter the throughput for mixing the dry sand of wet machine；Acquire equipment root According to the throughput of the dry sand of acquisition, dry sand throughput signal is generated.

In alternative dispensing means provided in an embodiment of the present invention, acquisition equipment, which can also be installed on, is mixed on wet machine, is adopted Collection mixes the sand material throughput in wet machine, at this point, the process of acquisition equipment acquisition mixes the throughput of the sand material of wet machine rotating cylinder, as position In mixing the throughput for having humidified sand material in wet machine rotating cylinder；Equipment is acquired according to default moisture content, by the sand material of humidification of acquisition Throughput be converted to wait enter mix wet machine dry sand throughput, generate dry sand throughput signal.Under another scene, it is The data processing load of acquisition equipment is reduced, acquisition equipment can humidify the logical of sand material according to being located to mix in wet machine rotating cylinder It is excessive, damp sand throughput signal is directly generated, and damp sand throughput is believed according to the moisture content of preset damp sand by control equipment Number be converted to dry sand throughput signal.Wherein, the moisture content of the preset damp sand, which can be, sets based on experience value and is stored in It acquires in equipment or control equipment, is also possible to receive the moisture content for the damp sand that measurement device measurement obtains and be stored in acquisition to set In standby or control equipment.

In another optinal plan provided in an embodiment of the present invention, acquisition equipment may be located on mixing shaking out for wet machine Mouthful, the dry sand throughput of the damp sand of wet machine output is mixed in acquisition, at this point, the process of acquisition equipment acquisition mixes the sand material of wet machine rotating cylinder Throughput, as from mixing the throughput for having humidified sand material exported in wet machine rotating cylinder；Equipment is acquired according to default moisture content, will be adopted The throughput for having humidified sand material of collection is converted to the throughput wait enter the dry sand for mixing wet machine, generates dry sand throughput signal.? Under another scene, in order to reduce the data processing load of acquisition equipment, acquisition equipment can be according to defeated in wet machine rotating cylinder from mixing The throughput for having humidified sand material out directly generates damp sand throughput signal, and the containing according to preset damp sand by control equipment Damp sand throughput signal is converted to dry sand throughput signal by water rate.Wherein, the moisture content of the preset damp sand can be basis Empirical value is set and is stored in acquisition equipment or control equipment, and containing for the damp sand that reception measurement device measurement obtains is also possible to Water rate is simultaneously stored in acquisition equipment or control equipment.

Optionally, in the case where acquiring equipment and being located at the sand inlet for mixing wet machine, control equipment will humidify water demand letter Number delay preset time period after be sent to humidifier, wherein preset time period be sand material from acquisition equipment be delivered to mix wet machine turn Time needed for cylinder.

In embodiments of the present invention, the available preset time period prestored of equipment is controlled, sand material can also be measured from adopting Collection equipment is delivered to the time for mixing wet machine rotating cylinder, obtains the preset time period.Sand material humidification system according to an embodiment of the present invention, Using signal delay technology, believed by acquiring equipment and acquiring the throughput wait enter the sand material for mixing wet machine and generate dry sand throughput Number, it is converted into humidification water demand signal after control equipment calculates, and after postponing preset time period (such as: the time, t) was sent to Humidifier, real-time control humidify water demand, and then adjust humidification water demand can in real time with the practical sand throughput in rotating cylinder Match.Meanwhile by the preset time period that is delayed, it ensure that after default sprinkling region is completely covered in sand material, just to mixing wet machine Spray humidification water according to humidification water demand signal in rotating cylinder, can to avoid in sand material also not completely into default sprinkling region when With regard to mixing wet machine rotating cylinder cylinder wall buildup caused by sprinkling humidification water.

Fig. 4 is a kind of control flow schematic diagram of optional sand material humidification system according to an embodiment of the present invention, such as Fig. 4 institute Show, acquisition equipment acquires the throughput wait enter the dry sand for mixing wet machine, generates dry sand throughput signal or doses signal.It is right In sand material, after sand material is by acquisition equipment, into mixing wet machine rotating cylinder.For humidification water, humidification water selects tap water as water source, Tap water is pre-stored in water container, and humidification water is delivered to sprinkler by the water pump by being installed in water container Humidification water is sprayed on by sprinkling device and is mixed in wet machine rotating cylinder by part.Control equipment can obtain the dry sand that acquisition equipment is sent Throughput signal, and generate humidification water demand signal and be sent to frequency converter, frequency converter is converted into water demand signal is humidified Pump rotary speed, control water pump are operated according to the pump rotary speed.Finally, the finished product damp sand after humidification is from the sand export for mixing wet machine rotating cylinder Output.Further, control equipment starts to collect dry sand throughput signal when humidification system operates beginning in acquisition equipment Afterwards, the time that acquisition equipment collects dry sand throughput signal is recorded.At the same time, mix be additionally provided in wet machine rotating cylinder it is another Detection device is starting to have detected that sand material into when mixing wet machine rotating cylinder, is remembered for whether measuring sand material into wet machine rotating cylinder is mixed Detect that sand material enters the time for mixing wet machine rotating cylinder under record.Dry sand throughput signal is collected according to the acquisition equipment of record It time and detects that sand material enters and mixes time of wet machine rotating cylinder, obtain under current transportation rate, sand material is from acquisition equipment transmission The time to needed for mixing wet machine rotating cylinder, that is, preset time period is got, the initial work of equipment is completed.In turn, afterwards Running in, humidification water demand signal is also delayed after the preset time period and is sent to humidifier by control equipment, wherein default Period be sand material from acquisition equipment be delivered to mix wet machine rotating cylinder needed for the time.In conclusion when mixing the starting of wet machine, control Equipment control humidifier is not sprayed water humidification first, systematic survey to be controlled and calculating to sand material be completely covered spray humidify region after again Starting sprinkling device, ensure that water will not be sprayed on barrel.What needs to be explained here is that if mixing wet machine starting Shi Wuyan When spray, i.e., when sand material has just enter into rotating cylinder or sand material does not also enter rotating cylinder, just have been started up sprinkling, be sprayed directly on water Buildup is caused on barrel, the present invention is used when mixing the starting of wet machine, the starting of delay sprinkling device, and then avoids barrel buildup Generation.According to embodiments of the present invention, system further includes liquid-level switch, for controlling the water level of water container in preset water level. In addition, by the orientation spray application of sprinkling device, the water spray voltage stabilizing technique of water pump and frequency converter cooperation mixes wet machine starting time delay When spray application and real-time adaptive adjust humidification water technology, common guarantee does not have water and is sprayed directly on rotating cylinder cylinder On wall, so as to avoid wet barrel wall buildup phenomenon is mixed.

Fig. 5 is the control flow schematic diagram of another optional sand material humidification system according to an embodiment of the present invention；Fig. 5 with Identical part repeats no more in Fig. 4, highlights the difference of Fig. 5 and Fig. 4 below.As shown in figure 5, acquisition equipment is located at After mixing wet machine, equipment is acquired in other words and is located at the sand export for mixing wet machine, the throughput of the damp sand of wet machine output is mixed in acquisition, at this It plants under application scenarios, it is corresponding with the throughput foundation of dry sand of wet machine is mixed to entrance according to the throughput for the damp sand for mixing wet machine output The throughput for mixing the damp sand of wet machine output is converted to the throughput wait enter the dry sand for mixing wet machine by relationship, and it is logical to generate dry sand Excessive signal.Under a kind of application scenarios, acquisition equipment turns the throughput for having humidified sand material of acquisition according to default moisture content It is changed to the throughput wait enter the dry sand for mixing wet machine, generates dry sand throughput signal.Under another scene, in order to reduce acquisition The data processing load of equipment, acquisition equipment can be according to from the throughput for having humidified sand material exported in wet machine rotating cylinder be mixed, directly Damp sand throughput signal is delivered a child into, and is converted damp sand throughput signal according to the moisture content of preset damp sand by control equipment For dry sand throughput signal.Wherein, the moisture content of the preset damp sand, which can be, sets based on experience value and is stored in acquisition and set In standby or control equipment, it is also possible to receive the moisture content for the damp sand that measurement device measurement obtains and is stored in acquisition equipment or control In control equipment.

Optionally, in embodiments of the present invention, acquisition equipment includes any one following equipment: weighing equipment, volume are surveyed Measure equipment and image capture device.

Optionally, in the case where acquiring equipment is weighing equipment, weighing equipment weighs the sand material by mixing wet machine rotating cylinder Weight, and generate dry sand throughput signal.It specifically, should by obtaining if being only equipped with weighing equipment in sand front end processed Locate data control sand material inlet to stablize, without considering output sand doses and entering the out-of-proportion relationship of sand doses, due to sand Expect that quantum of output is to change at random in real time, when the variation of the sand doses of output, humidification system can not be real-time according to the variation of sand material Water-flowing amount is adjusted, and then not can guarantee the water content of finished sand.In the related art, by presetting the side of certain building stones inlet amount Formula is calculated the desired value of sand throughput, presets a water flow further according to the desired value and moisture content of sand throughput Value；The desired value of sand throughput can be got by the way that building stones are average at sand coarse aggregate ratio calculating, and when building stones inlet amount is invariable, sand passes through Amount is actually the real-time change in a wider range, therefore the prior art will not humidify water flow and be passed through according to sand Amount is adjusted in real time.And the present invention measures sand throughput using weighing equipment, and it is logical to weigh sand in real time by weighing equipment Excessive, real-time adaptive adjusts humidification water, guarantees humidification water and sand amount real-time matching, has accurately controlled containing for finished sand Water rate.

Optionally, in the case where acquiring equipment is cubing equipment, acquisition device measuring is by mixing wet machine rotating cylinder The volume of sand material calculates the throughput of sand material and generates dry sand throughput signal.

Optionally, in the case where acquiring equipment is image capture device, acquisition equipment acquisition is by mixing wet machine rotating cylinder The image of sand material, and according to the throughput of acquired image calculating sand material, generate dry sand throughput signal.

Optionally, in embodiments of the present invention, it is located in acquisition equipment and mixes inside wet machine, or positioned at mixes shaking out for wet machine In the case where mouthful, acquisition equipment obtains the throughput of the damp sand in the rotating cylinder for mixing wet machine or mixes the logical of the damp sand that wet machine transfers out It is excessive, and according to the throughput of the moisture content of the preset damp sand for mixing wet machine and damp sand, it calculates wait enter the dry sand for mixing wet machine Throughput, generate dry sand throughput signal.

Optionally, in embodiments of the present invention, after getting the throughput wait enter the dry sand for mixing wet machine, control is set The standby throughput that this can also be waited for entering the dry sand for mixing wet machine with and the max-thresholds of throughput of preset dry sand compare Compared with when the throughput of the dry sand got is more than the max-thresholds, control equipment control dry sand enters the rate for mixing wet machine.Example Such as, when sand material humidification system further includes screening machine, when control equipment detects that the throughput of the dry sand of acquisition is more than the maximum When threshold value, control equipment controls screening machine to the rate for mixing wet machine output sand material.

It can be seen from the above description that the present invention solve mix the moisture content of wet machine output sand material cannot be accurate The technical issues of control, improves the working performance and working efficiency of sand material humidification system, and it is real-time to have reached sand material humidification water Controllable technical effect.

Embodiment two

According to embodiments of the present invention, a kind of sand material air-humidification method embodiment of sand material humidification system is provided, needs to illustrate , step shown in the flowchart of the accompanying drawings can hold in a computer system such as a set of computer executable instructions Row, although also, logical order is shown in flow charts, and it in some cases, can be to be different from sequence herein Execute shown or described step.What sand material air-humidification method provided in an embodiment of the present invention can provide through the foregoing embodiment Sand material humidification system realizes that above-mentioned sand material humidification system can also use sand material provided in an embodiment of the present invention in control Air-humidification method.

Fig. 6 is a kind of flow chart of the sand material air-humidification method of optional sand material humidification system according to an embodiment of the present invention, As shown in fig. 6, this method comprises the following steps:

S102: the dry sand throughput signal wait enter the rotating cylinder for mixing wet machine is received, wherein dry sand throughput signal is by acquiring The throughput that equipment mixes the sand material of the rotating cylinder of wet machine according to the process of acquisition generates.

In the present invention is implemented, dry sand throughput signal is used to characterize the throughput by mixing wet machine rotating cylinder dry sand.Dry sand Throughput can as unit of in the time by mixing the quality of the dry sand of wet machine.When the operation of sand material humidification system, screening machine is first The coarse sand that transmission comes is subjected to screening and generates sand material, and to wet machine conveying is mixed, acquisition equipment can collect dry sand throughput Signal, that is, unit time interior sand material quality by mixing wet machine.

Herein it should be noted that the process that acquisition equipment obtains mixes the throughput of the sand material of the rotating cylinder of wet machine, can be What is obtained has already passed through the throughput (what is obtained is damp sand throughput) for mixing the sand material of the rotating cylinder of wet machine, is also possible to acquisition Will through the throughput (i.e. dry sand throughput) for mixing the sand material of rotating cylinder of wet machine, can also be that passing through for acquisition mixes wet machine Rotating cylinder sand material throughput (being in the sand material throughput inside the rotating cylinder for mixing wet machine).

S104: the corresponding humidification water demand signal of dry sand throughput signal is obtained.

In embodiments of the present invention, humidification water can be conventional source waters, a certain proportion of humidification water and the sand material such as tap water Be thoroughly mixed to form damp sand in mixing the special cylinder of wet machine, humidification water can as unit of in the time to mix it is being conveyed in wet machine rotating cylinder plus The quality of wet water.According to the moisture content of the desired damp sand for mixing wet machine output, available dry sand throughput and humidification water demand Corresponding relationship between amount.

S106: humidification water demand signal is sent to humidifier, wherein humidifier is according to humidification water demand signal control It makes to the humidification water flow for mixing wet machine rotating cylinder conveying.

In embodiments of the present invention, on the basis of above-mentioned humidification water real-time controllable synchronous with the realization of sand throughput, When acquire equipment detect the rotating cylinder by mixing wet machine dry sand throughput it is larger when, control equipment generates at this time accordingly humidify Water demand signal is then the humidification water of larger demand, to guarantee the moisture content of finished sand.

The sand material air-humidification method of the embodiment of the present invention, by receiving dry sand throughput signal, wherein dry sand throughput signal The dry sand throughput for the rotating cylinder for mixing wet machine according to the process of acquisition by acquisition equipment generates, and it is corresponding to obtain dry sand throughput signal Water demand signal is humidified, humidification water demand signal is sent to humidifier, wherein humidifier is believed according to humidification water demand It number controls and to solve the moisture content for mixing wet machine output sand material to the humidification water flow mixing wet machine rotating cylinder and conveying and cannot be accurately controlled The technical issues of, the working performance and working efficiency of sand material humidification system are improved, it is controllable in real time to have reached sand material humidification water Technical effect.

Optionally, acquisition equipment, which can be located at, mixes the sand inlet of wet machine, perhaps positioned at mix inside wet machine or positioned at mixing it is wet The sand export of machine, wherein screening machine is used to carrying out the coarse sand that transmission comes into screening to generate sand material and be delivered to mix wet machine.

In a kind of optinal plan provided in an embodiment of the present invention, acquisition equipment can be located at the sand inlet for mixing wet machine, i.e., Acquisition equipment can be located at the sand material input port for mixing wet machine or before mixing wet machine sand material input port, for example, when in Machine-made Sand In production line, when having screening machine, feeding mixes wet machine after sand material passes through screening machine, at this point, acquisition equipment can be located at sieve It extension set and mixes between wet machine；In another example be not set in production line when mixing wet machine, but when being separately provided, wet machine is mixed When for carrying out mixing wet to finished product dry sand, acquisition equipment can be set to the sand inlet for mixing wet machine.At this point, acquisition equipment acquisition Through mixing wet machine rotating cylinder sand material throughput, as wait enter mix wet machine dry sand throughput；Acquisition equipment is according to adopting The throughput of the dry sand of collection generates dry sand throughput signal.

Optionally, in the case where acquiring equipment and being located at the sand inlet for mixing wet machine, in step S106: water demand will be humidified Signal is sent to before humidifier, sand material air-humidification method further include:

Step S105: preset time period is waited, wherein after waiting preset time period, executing will humidification water demand letter The step of number being sent to humidifier.

In embodiments of the present invention, when preset time period is that sand material is delivered to needed for mixing wet machine rotating cylinder from acquisition equipment Between.What needs to be explained here is that the sand material air-humidification method of the embodiment of the present invention, using signal delay technology, by acquiring equipment Acquisition will pass through the sand throughput signal for mixing wet machine, be converted into humidification water demand signal after control equipment calculates, and prolong Slow time t is sent to humidifier, and real-time control humidifies water demand, and delay time t is transported to from acquisition equipment for sand material and mixes wet machine Time needed for wet zone to be added in rotating cylinder, so adjust humidification water demand can in real time with the practical sand throughput phase in rotating cylinder Matching.

In embodiments of the present invention, when humidification system operates beginning, start to collect dry sand throughput in acquisition equipment After signal, the time that acquisition equipment collects dry sand throughput signal is recorded.At the same time, it mixes and is additionally provided in wet machine rotating cylinder Another detection device, for measuring sand material, whether wet machine rotating cylinder is mixed in entrance, is starting to have detected that wet machine rotating cylinder is mixed in the entrance of sand material When, it records and detects that sand material enters the time for mixing wet machine rotating cylinder.Dry sand throughput is collected according to the acquisition equipment of record It the time of signal and detects that sand material enters and mixes time of wet machine rotating cylinder, obtain under current transportation rate, sand material is set from acquisition It is standby be sent to mix wet machine rotating cylinder needed for the time, that is, got preset time period.

Optionally, humidifier is controlled according to humidification water demand signal to the humidification water flow packet for mixing wet machine rotating cylinder conveying It includes:

Step S1092: the corresponding pump rotary speed of humidification water demand signal is obtained；

Step S1094: control water pump works according to pump rotary speed, by humidification water by pipeline to mixing wet machine rotating cylinder.

Optionally, in embodiments of the present invention, humidification water is being passed through into pipeline to after mixing wet machine rotating cylinder, according to humidification Water demand signal is controlled to the humidification water flow for mixing wet machine rotating cylinder conveying further include:

Step S1096: humidification water is sprayed to the default sprinkling region mixed in wet machine rotating cylinder.

In embodiments of the present invention, in embodiments of the present invention, it is preset in mixing wet machine rotating cylinder for presetting sprinkling region A certain region, the region are arranged along the axially and/or radially direction for mixing wet machine rotating cylinder.For example, in the axial direction, presetting sprinkling area Domain is preferably provided at close to the sand inlet for mixing wet machine.In another example generally, when sand material enters rotating cylinder, with the rotation of rotating cylinder, Sand material is located at the bottom section of rotating cylinder under gravity, therefore on the circumferencial direction of rotating cylinder, sprays device towards rotating cylinder The region that sprinkling region can be opposite with device is sprayed for cylinder bottom, the similar fan which is are preset in bottom section sprinkling The region of shape.According to the demand of humidification water, humidification water can be avoided to be sprayed at rotating cylinder side with the default sprinkling region of flexible setting Barrel on, cause buildup.Sprinkling device, which is set to, to be mixed in wet machine rotating cylinder, is carried out at humidification to the sand material mixed in wet machine rotating cylinder Reason.If be not configured to sprinkling device, a large amount of humidification water may be sprayed directly on the barrel of rotating cylinder, be turned in rotating cylinder During dynamic, when the dry sand for having just enter into rotating cylinder touches the rotating cylinder squirted, sand material can be adhered on rotating cylinder, be easy to cause sand Material mixes the generation of the case where wet uneven or barrel buildup.On the one hand barrel buildup can be such that cylinder increases again, so as to cause energy consumption increasing Add；On the other hand can be more and more thicker with buildup layer, cause in rotating cylinder space to be reduced, reduces sand material and mix and wet pass through efficiency.Therefore, It is only oriented towards the default sprinkling region mixed in wet machine rotating cylinder by the water outlet of setting sprinkling device, i.e., water is oriented and sprayed by sprinkling device It is sprinkled upon on sand material, avoids and water is sprayed on barrel, so as to avoid the generation of buildup phenomenon.

Optionally, in embodiments of the present invention, when mixing the starting of wet machine, control equipment control humidifier, which is not sprayed water first, to be added It is wet, systematic survey to be controlled and calculate to sand material be completely covered sprinkling humidify region after restart sprinkling device, ensure that water not It can be sprayed on barrel.What needs to be explained here is that if the no-delay sprinkling when mixing the starting of wet machine, i.e., have just enter into sand material and turn When cylinder or sand material do not enter rotating cylinder also, sprinkling is just had been started up, water is sprayed directly on barrel and causes buildup, the present invention adopts Used in when mixing the starting of wet machine, the starting of device is sprayed in delay, and then avoids the generation of barrel buildup.

Optionally, water pump is installed on water container bottom, and the capacity of water container, which is not less than from sand material humidification system, to shut down Moment, which plays sand material and stops entering, mixes the wet machine rotating cylinder moment and stops, humidification water needed for sand material humidification system.

In embodiments of the present invention, water container can be other containers such as water tank, pond or bucket.In practical application field Under scape, it is possible that the situation cut off the water suddenly, even if relevant staff can have found at the first time simultaneously when cutting off the water suddenly Immediately close off humidification system, it is also possible to which humidification system will not be out of service, and sand production line processed may can also be because of continued operation one The section time, until production line stops completely.During this period of time, when sand production line processed does not stop working completely, screening machine Or a large amount of sand material can be delivered to and mix wet machine, mixing wet machine may also will continue to operate, and the sand material for being blended with a large amount of dry sands is defeated Out, the quality of finished sand is seriously compromised.Therefore, humidifier of the invention further includes water container, and water pump is installed on water storage appearance Device bottom, water pump draw water from water container and pump toward sprinkling device, adjust Real-time Water pump frequency by frequency converter to control water Flow, wherein the capacity of above-mentioned water container is wet into mixing not less than the stopping of sand material is played from the sand material humidification system shutdown moment The machine rotating cylinder moment stops, humidification water needed for sand material humidification system, ensure that normal when sand production line processed encounters emergency event Running, and then guarantee the quality of finished sand.A part of water is cached by water container, is cut off the water under situation suddenly, Neng Goubao It demonstrate,proves enough water to maintain to sand production line orderly closedown processed, without damaging finished sand quality.

Optionally, the water inlet of water container is provided with liquid-level switch, for maintaining the height of water level in water container In preset height.

Optionally, sand material air-humidification method according to an embodiment of the present invention can also include: the water level height for detecting water container Degree, and when the height of water level for detecting water container is lower than preset water level threshold value, generate alarm signal or sand material humidification system Off signal guarantees the normal operation of sand material humidification system and the quality of finished sand.

Optionally, in the case where acquiring equipment is weighing equipment, weighing equipment weighs the sand material by mixing wet machine rotating cylinder Weight, and generate dry sand throughput signal.

In embodiments of the present invention, it if being only equipped with weighing equipment in sand front end processed, is controlled by obtaining data at this Sand material inlet is stablized, without considering output sand doses and entering the out-of-proportion relationship of sand doses, since sand material quantum of output is Change at random in real time, when the variation of the sand doses of output, existing humidification system does not make corresponding adjustment in real time to water-flowing amount, The water content of finished sand is not can guarantee then.And the present invention measures the throughput of sand material using weighing equipment, passes through weighing Equipment weighs the throughput of sand material in real time, and real-time adaptive adjusts humidification water, guarantees humidification water and sand amount real-time matching, essence Really control the moisture content of finished sand.

Optionally, in embodiments of the present invention, it is located in acquisition equipment and mixes inside wet machine, or positioned at mixes shaking out for wet machine In the case where mouthful, acquisition equipment obtains the throughput of the damp sand in the rotating cylinder for mixing wet machine or mixes the logical of the damp sand that wet machine transfers out It is excessive, and according to the throughput of the moisture content of the preset damp sand for mixing wet machine and damp sand, it calculates wait enter the dry sand for mixing wet machine Throughput generates dry sand throughput signal.

In embodiments of the present invention, mixing in wet machine rotating cylinder or mix wet machine sand export can be set moisture content detection dress It sets, detects the moisture content in sand material in real time.For example, in the moisture content for the sand export detection output sand material for mixing wet machine, further according to The accurate Extrapolation of the moisture content obtains the throughput wait enter the dry sand for mixing wet machine, realizes the accurate of the throughput of dry sand It obtains.Alternatively, it is also possible to carry out Extrapolation by way of setting moisture content.

Optionally, get wait enter mix wet machine dry sand throughput after, control equipment this can also be waited for into Enter to mix the throughput of the dry sand of wet machine with and the max-thresholds of throughput of preset dry sand be compared, when the dry sand got Throughput when being more than the max-thresholds, control equipment control dry sand, which enters, mixes the rate of wet machine.For example, working as sand material humidification system When further including screening machine, when control equipment detects the throughput of the dry sand of acquisition more than the max-thresholds, equipment control is controlled Screening machine processed exports the rate of sand material to wet machine is mixed.

It can be seen from the above description that the present invention solve mix the moisture content of wet machine output sand material cannot be accurate The technical issues of control, improves the working performance and working efficiency of sand material humidification system, and it is real-time to have reached sand material humidification water Controllable technical effect.According to embodiments of the present invention, by spraying the orientation spray application of device, what water pump and frequency converter cooperated Water spray voltage stabilizing technique, the spray application that is delayed when mixing the starting of wet machine and real-time adaptive adjust humidification water technology, common guarantee Not having water is sprayed directly on rotating cylinder barrel, so as to avoid mixing wet barrel wall buildup phenomenon.

The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.

In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment The part of detailed description, reference can be made to the related descriptions of other embodiments.

In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module It connects, can be electrical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code Medium.

The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims

1. a kind of sand material humidification system, which is characterized in that the system comprises:

Mix wet machine；

Equipment is acquired, wet machine is mixed with described and connect, for obtaining the throughput for mixing the sand material of rotating cylinder of wet machine described in process, and root The dry sand throughput signal of the rotating cylinder to mix wet machine described in entrance is generated according to the throughput of the sand material, wherein the acquisition is set Standby includes any one following equipment: weighing equipment, cubing equipment and image capture device；

Equipment is controlled, establishes and communicates with the acquisition equipment, is needed for obtaining the corresponding humidification water of the dry sand throughput signal The amount of asking signal, and the humidification water demand signal is sent to humidifier；

Humidifier is established with the control equipment and is communicated, for according to the humidification water demand signal, control to it is described mix it is wet The humidification water flow of machine rotating cylinder conveying.

2. system according to claim 1, which is characterized in that the acquisition equipment is located at the sand inlet for mixing wet machine, Perhaps it mixes positioned at described inside wet machine or positioned at the sand export for mixing wet machine.

3. system according to claim 2, which is characterized in that it is mixed inside wet machine described in being located in the acquisition equipment, or In the case that person is located at the sand export for mixing wet machine, the logical of the damp sand in the rotating cylinder of wet machine is mixed described in the acquisition equipment acquisition The excessive or described throughput for mixing the damp sand that wet machine transfers out, and according to the moisture content of the preset damp sand for mixing wet machine with And the throughput of the damp sand, the throughput of the dry sand to mix wet machine described in entrance is calculated, the dry sand throughput signal is generated.

4. system according to claim 2, which is characterized in that be located at the sand inlet for mixing wet machine in the acquisition equipment In the case where before, the humidification water demand signal is delayed after preset time period and is sent to humidifier by the control equipment, Wherein, the preset time period be sand material from the acquisition equipment be delivered to described in mix wet machine rotating cylinder needed for the time.

5. system according to claim 1, which is characterized in that the humidifier includes:

Frequency converter, for generating the corresponding pump rotary speed of the humidification water demand signal；

Water pump is connect with the frequency converter, is worked, will be added according to the corresponding pump rotary speed of the humidification water demand signal Wet water is by pipeline to mixing wet machine rotating cylinder.

6. system according to claim 5, which is characterized in that the humidifier further include: sprinkling device is arranged in described It mixes in wet machine rotating cylinder, the water outlet of the sprinkling device is only oriented towards the default sprinkling region setting mixed in wet machine rotating cylinder.

7. system according to claim 5, which is characterized in that the humidifier further include: water container, the water pump peace Loaded on the water container bottom, the capacity of the water container, which was not less than from the sand material humidification system shutdown moment, plays the sand It mixes the wet machine rotating cylinder moment described in material stopping entrance stopping, humidification water needed for the sand material humidification system.

8. system according to claim 1, which is characterized in that the case where the acquisition equipment is the weighing equipment Under, the weighing equipment weighs the weight of the sand material by mixing wet machine rotating cylinder, and generates the dry sand throughput signal.

9. system according to claim 1, which is characterized in that in the feelings that the acquisition equipment is the cubing equipment Under condition, the acquisition device measuring passes through the volume for mixing the sand material of wet machine rotating cylinder, and the throughput for calculating sand material simultaneously generates described do Sand throughput signal.

10. system according to claim 1, which is characterized in that acquire equipment in the acquisition equipment for described image In the case of, the acquisition equipment acquisition is calculated by mixing the image of the sand material of wet machine rotating cylinder according to collected described image The throughput of sand material generates the dry sand throughput signal.

11. system according to claim 1, which is characterized in that the system also includes: for mixing wet machine conveying to described The screening machine of sand material, the screening machine are used to the coarse sand that transmission comes carrying out screening to generate the sand material.

12. a kind of sand material air-humidification method of sand material humidification system, the system comprises mix wet machine, which is characterized in that the method Include:

Receive the dry sand throughput signal of the rotating cylinder to mix wet machine described in entrance, wherein the dry sand throughput signal is by acquiring The throughput that equipment mixes the sand material of the rotating cylinder of wet machine according to the process of acquisition generates, wherein the acquisition equipment includes following appoint It anticipates a kind of equipment: weighing equipment, cubing equipment and image capture device；

Obtain the corresponding humidification water demand signal of the dry sand throughput signal；

The humidification water demand signal is sent to humidifier, wherein the humidifier is believed according to the humidification water demand It number controls to the humidification water flow mixing wet machine rotating cylinder and conveying.

13. according to the method for claim 12, which is characterized in that the acquisition equipment be located at it is described mix wet machine enter sand Mouthful, perhaps mix positioned at described inside wet machine or positioned at the sand export for mixing wet machine.

14. according to the method for claim 13, which is characterized in that mixes wet machine described in being located in the acquisition equipment enters sand In the case where before mouthful, before the humidification water demand signal is sent to the humidifier, the method also includes:

Wait preset time period, wherein after the waiting preset time period, execute and send the humidification water demand signal The step of to the humidifier, the preset time period be the sand material from the acquisition equipment be delivered to described in mix wet machine rotating cylinder The required time.

15. according to the method for claim 12, which is characterized in that the humidifier is according to the humidification water demand signal It controls to the humidification water flow for mixing wet machine rotating cylinder conveying and includes:

Obtain the corresponding pump rotary speed of the humidification water demand signal；

Control water pump work according to the pump rotary speed, and humidification water is passed through pipeline to mixing wet machine rotating cylinder.

16. according to the method for claim 12, which is characterized in that it is mixed inside wet machine described in being located in the acquisition equipment, Or in the case where the sand export for mixing wet machine, the acquisition equipment obtain described in mix damp sand in the rotating cylinder of wet machine Throughput or the throughput for mixing the damp sand that wet machine transfers out, and according to the moisture content of the preset damp sand for mixing wet machine And the throughput of the damp sand, the throughput of the dry sand to mix wet machine described in entrance is calculated, the dry sand throughput letter is generated Number.