CN106272977A - Sand material humidification system and method - Google Patents

Sand material humidification system and method Download PDF

Info

Publication number
CN106272977A
CN106272977A CN201510267175.3A CN201510267175A CN106272977A CN 106272977 A CN106272977 A CN 106272977A CN 201510267175 A CN201510267175 A CN 201510267175A CN 106272977 A CN106272977 A CN 106272977A
Authority
CN
China
Prior art keywords
sand
wet machine
throughput
rotating cylinder
collecting device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510267175.3A
Other languages
Chinese (zh)
Other versions
CN106272977B (en
Inventor
许平增
王晨鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zoomlion Heavy Industry Science and Technology Co Ltd
Original Assignee
Zoomlion Heavy Industry Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zoomlion Heavy Industry Science and Technology Co Ltd filed Critical Zoomlion Heavy Industry Science and Technology Co Ltd
Priority to CN201510267175.3A priority Critical patent/CN106272977B/en
Publication of CN106272977A publication Critical patent/CN106272977A/en
Application granted granted Critical
Publication of CN106272977B publication Critical patent/CN106272977B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling 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
    • B28C7/04Supplying or proportioning the ingredients
    • B28C7/12Supplying or proportioning liquid ingredients
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00Controlling 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
    • B28C7/02Controlling the operation of the mixing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Accessories For Mixers (AREA)

Abstract

The invention discloses a kind of sand material humidification system and method.Wherein, this system includes: mix wet machine;Collecting device, is connected with mixing wet machine, for obtaining the throughput of the sand material of the rotating cylinder through mixing wet machine, and generates the dry sand throughput signal waiting to enter the rotating cylinder mixing wet machine according to the throughput of sand material;Control equipment, sets up communication with collecting device, for obtaining the humidification water demand signal that dry sand throughput signal is corresponding, and sends humidification water demand signal to humidifier;Humidifier, sets up communication with control equipment, for according to humidification water demand signal, controlling to the humidification water flow mixing the conveying of wet machine rotating cylinder.The present invention solves and mixes the technical problem that the moisture content of wet machine output sand material can not be accurately controlled.

Description

Sand material humidification system and method
Technical field
The present invention relates to Engineering Control field, in particular to a kind of sand material humidification system and method.
Background technology
Along with the fast development of China's economy, building sand amount gets more and more, and natural river sand is as non-renewable resources The most fewer and feweri.In order to adapt to nation-building and environmental conservation needs, it would be desirable to develop outstanding sand processed and produce machine Tool product.
Mix wet machine as sand production line terminal unit processed, stirred by water spray humidification, make to mix the finished product of wet machine output Sand has certain moisture content, thus the service behaviour mixing wet machine humidification system is directly connected to the quality of finished sand.How Ensure to mix the moisture content of the finished sand of wet machine output, be urgent problem.But in correlation technique, mix wet machine and add Wet system cannot control the humidification water yield according to sand material throughput accurately, and then cannot ensure to mix containing of wet machine output sand material Water rate;When cutting off the water suddenly, the sand production line processed mixed in wet machine humidification system will not stop at once, now mixes wet machine defeated The sand material gone out is dry sand and finished product damp sand mixture, reduces the quality of finished sand.
For above-mentioned problem, effective solution is the most not yet proposed.
Summary of the invention
Embodiments provide a kind of sand material humidification system and method, at least to solve to mix containing of wet machine output sand material The technical problem that water rate can not be accurately controlled.
An aspect according to embodiments of the present invention, it is provided that a kind of sand material humidification system, this system includes: mix wet machine; Collecting device, is connected with mixing wet machine, for obtaining the throughput of the sand material of the rotating cylinder through mixing wet machine, and according to sand material Throughput generate the dry sand throughput signal waiting to enter the rotating cylinder mixing wet machine;Control equipment, sets up logical with collecting device News, for obtaining the humidification water demand signal that dry sand throughput signal is corresponding, and send humidification water demand signal To humidifier;Humidifier, sets up communication with control equipment, for according to humidification water demand signal, controls wet to mixing The humidification water flow of machine rotating cylinder conveying.
Further, collecting device is positioned at the sand inlet mixing wet machine, or is positioned at and mixes inside wet machine, or be positioned at mix wet The sand export of machine.
Further, it is positioned at collecting device and mixes inside wet machine, or in the case of being positioned at the sand export mixing wet machine, adopt Collection equipment obtains the throughput of the damp sand in the rotating cylinder mixing wet machine or mixes the throughput of the damp sand that wet machine transfers out, and root According to moisture content and the throughput of damp sand of the default damp sand mixing wet machine, calculate and wait to enter the passing through of dry sand mixing wet machine Amount, generates dry sand throughput signal.
Further, in the case of being positioned at collecting device before the sand inlet mixing wet machine, controlling equipment needs humidification water Sending to humidifier after the amount of asking signal lag preset time period, wherein, preset time period is that sand material carries from collecting device To the time mixed needed for wet machine rotating cylinder.
Further, humidifier includes: converter, for producing the pump rotary speed that humidification water demand signal is corresponding; Water pump, is connected with converter, according to the pump rotary speed work that humidification water demand signal is corresponding, by humidification water by pipe Road is delivered to mix wet machine rotating cylinder.
Further, humidifier also includes: sprays device, is arranged in and mixes in wet machine rotating cylinder, sprays the outlet of device It is only oriented towards the default sprinkling region mixing in wet machine rotating cylinder to arrange.
Further, humidifier also includes: water container, and water pump is installed on bottom water container, the appearance of water container Amount stops entrance and mixes the wet machine rotating cylinder moment only not less than playing sand material from the sand material humidification system shutdown moment, sand material humidification system The humidification water yield needed for system.
Further, humidifier also includes: liquid-level switch, is arranged at the water inlet of water container, by water container Height of water level maintain preset height.
Further, collecting device includes any one equipment following: weighing equipment, cubing equipment and image are adopted Collection equipment.
Further, in the case of collecting device is weighing equipment, weighing equipment weighs the sand through mixing wet machine rotating cylinder The weight of material, and generate dry sand throughput signal.
Further, in the case of collecting device is cubing equipment, collecting device is measured through mixing wet machine rotating cylinder The volume of throughput of sand material, calculate the throughput of sand material and generate dry sand throughput signal.
Further, in the case of collecting device is image capture device, collecting device collection is through mixing wet machine rotating cylinder The image of throughput of sand material, and calculate the throughput of sand material according to the image collected, generate dry sand throughput letter Number.
Further, this sand material humidification system also includes: being used for the screening machine mixing wet machine conveying sand material, screening machine is used Sand material is generated in the coarse sand that transmission comes is carried out screening.
Another aspect according to embodiments of the present invention, additionally provides the sand material air-humidification method of a kind of sand material humidification system, sand Material humidification system includes mixing wet machine, and the method includes: receive the dry sand throughput signal waiting to enter the rotating cylinder mixing wet machine, Wherein, dry sand throughput signal is generated according to the throughput of the sand material of the rotating cylinder through mixing wet machine obtained by collecting device; Obtain the humidification water demand signal that dry sand throughput signal is corresponding;Humidification water demand signal is sent to humidifier, Wherein, humidifier controls to the humidification water flow mixing the conveying of wet machine rotating cylinder according to humidification water demand signal.
Further, collecting device is positioned at the sand inlet mixing wet machine, or is positioned at and mixes inside wet machine, or be positioned at mix wet The sand export of machine, wherein, screening machine generates sand material for the coarse sand that transmission comes is carried out screening and is delivered to mix wet machine.
Further, in the case of being positioned at collecting device before the sand inlet mixing wet machine, humidification water demand is being believed Number sending to before humidifier, method also includes: wait preset time period, wherein, after waiting preset time period, Performing humidification water demand signal is sent the step to humidifier, preset time period is that sand material is delivered to from collecting device Mix the time needed for wet machine rotating cylinder.
Further, humidifier controls to the humidification water flow bag mixing the conveying of wet machine rotating cylinder according to humidification water demand signal Include: obtain the pump rotary speed that humidification water demand signal is corresponding;Control water pump to work according to pump rotary speed, by humidification water It is delivered to mix wet machine rotating cylinder by pipeline.
Further, after being delivered to humidification water by pipeline mix wet machine rotating cylinder, according to humidification water demand signal, Control the humidification water flow to mixing the conveying of wet machine rotating cylinder also to include: humidification water is sprayed at the default spray mixed in wet machine rotating cylinder Spill region.
Further, water pump is installed on bottom water container, and the capacity of water container closes not less than from sand material humidification system The machine moment plays the stopping entrance of sand material and only mixes the wet machine rotating cylinder moment, the humidification water yield needed for sand material humidification system.
Further, the water inlet of water container is provided with liquid-level switch, for being tieed up by the height of water level in water container Hold in preset height.
Further, collecting device includes any one equipment following: weighing equipment, cubing equipment and image are adopted Collection equipment.
Further, in the case of collecting device is weighing equipment, weighing equipment weighs the sand through mixing wet machine rotating cylinder The throughput of material, and generate dry sand throughput signal.
Further, in the case of collecting device is cubing equipment, collecting device is measured through mixing wet machine rotating cylinder The volume of sand material, calculate the throughput of sand material and generate dry sand throughput signal.
Further, in the case of collecting device is image capture device, collecting device collection is through mixing wet machine rotating cylinder The image of sand material, and calculate the throughput of sand material according to the image collected, generate dry sand throughput signal.
Further, it is positioned at collecting device and mixes inside wet machine, or in the case of being positioned at the sand export mixing wet machine, adopt Collection equipment obtains the throughput of the damp sand in the rotating cylinder mixing wet machine or mixes the throughput of the damp sand that wet machine transfers out, and root According to moisture content and the throughput of damp sand of the default damp sand mixing wet machine, calculate and wait to enter the passing through of dry sand mixing wet machine Amount, generates dry sand throughput signal.
In embodiments of the present invention, using sand material humidification system, this system includes: mix wet machine;Collecting device, is used for Obtain the throughput of sand material of rotating cylinder through mixing wet machine, and generate and wait to enter the dry sand throughput signal mixing wet machine rotating cylinder; Control equipment, sets up communication with collecting device, for obtaining the humidification water demand signal that dry sand throughput signal is corresponding, And humidification water demand signal is sent to humidifier;Humidifier, sets up communication with control equipment, for according to humidification Water demand signal, controls to the humidification water flow mixing the conveying of wet machine rotating cylinder.The present invention solves and mixes wet machine output sand material The technical problem that can not be accurately controlled of moisture content.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.At accompanying drawing In:
Fig. 1 is that wet machine of mixing according to embodiments of the present invention adds the process schematic of damp sand material;
Fig. 2 is the structural representation of sand material humidification system according to embodiments of the present invention;
Fig. 3 is the structural representation of a kind of optional humidifier according to embodiments of the present invention;
Fig. 4 is the control flow schematic diagram of a kind of optional sand material humidification system according to embodiments of the present invention;
Fig. 5 is the control flow schematic diagram of another kind of optional sand material humidification system according to embodiments of the present invention;
Fig. 6 is the flow chart of the sand material air-humidification method of sand material humidification system according to embodiments of the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment It is only the embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ability The every other embodiment that territory those of ordinary skill is obtained under not making creative work premise, all should belong to The scope of protection of the invention.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " Two " it is etc. for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that this Sample use data can exchange in the appropriate case, in order to embodiments of the invention described herein can with except Here the order beyond those illustrating or describing is implemented.Additionally, term " includes " and " having " and they Any deformation, it is intended that cover non-exclusive comprising, such as, contain series of steps or the process of unit, side Method, system, product or equipment are not necessarily limited to those steps or the unit clearly listed, but can include the clearest List or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiment one
According to embodiments of the present invention, it is provided that a kind of sand material humidification system embodiment.
Fig. 1 is that wet machine of mixing according to embodiments of the present invention adds the process schematic of damp sand material, as it is shown in figure 1, screening machine Transmission come the sand material not humidified, in the embodiment of the present invention or be called for short dry sand, delivered into by charging aperture 1 and mix wet machine. Meanwhile, the humidification water that transmission comes mixes wet machine by spraying device 2 entrance.Dry sand and humidification water are mixing the rotating cylinder 3 of wet machine Inside be thoroughly mixed, ultimately form meet predetermined water content requirement add damp sand material, in the embodiment of the present invention or be called for short Finished sand or damp sand.The damp sand formed exports by mixing the discharging opening 4 of wet machine.In embodiments of the present invention, humidification water Can be the conventional source water such as tap water, be mainly used in adding the sand material in wet-mixing wet machine rotating cylinder 3.
Add the process of damp sand material in conjunction with the wet machine of mixing shown in Fig. 1, embodiments provide a kind of sand material humidification system Embodiment.Fig. 2 is the structural representation of sand material humidification system according to embodiments of the present invention, as in figure 2 it is shown, this Bright sand material humidification system may include that
Mix wet machine 12;
Collecting device 14, is connected with mixing wet machine, for obtaining the throughput of the sand material of the rotating cylinder through mixing wet machine 12, And the dry sand throughput signal waiting to enter the rotating cylinder mixing wet machine 12 is generated according to the throughput of sand material;
Control equipment 16, sets up communication with collecting device 14, for obtaining the humidification water that dry sand throughput signal is corresponding Demand signal, and humidification water demand signal is sent to humidifier 18;And
Humidifier 18, sets up communication with control equipment 16, for according to humidification water demand signal, controls wet to mixing The humidification water flow of machine 12 rotating cylinder conveying.
In the present invention implements, do not add damp sand material and be alternatively referred to as dry sand, added damp sand material and be alternatively referred to as damp sand;Dry sand leads to Excess can be that the unit time is interior by mixing the quality not adding damp sand material of wet machine, when collecting device collection is through mixing wet machine During the sand material throughput of the rotating cylinder of 12, if the acquisition target of collecting device is not for add damp sand material, then can be directly according to not The throughput adding damp sand material obtains dry sand throughput signal, and in the case of this, the throughput of sand material is dry sand throughput;If When the acquisition target of collecting device is for adding damp sand material, according to adding the throughput of damp sand material and can add containing of damp sand material Water rate, calculates the corresponding throughput not adding damp sand material, then obtains further according to the corresponding throughput not adding damp sand material Dry sand throughput signal.Humidification water can be conventional source water, a certain proportion of humidification water and the sand material such as tap water mix wet Being thoroughly mixed to form damp sand in machine rotating cylinder, the humidification water yield can be the unit time interior humidification of conveying in mixing wet machine rotating cylinder The quality of water.
It should be noted that during the present invention " obtains the throughput of the sand material passing through the rotating cylinder mixing wet machine 12 ", permissible It is the throughput (i.e. obtain is damp sand throughput) obtaining the sand material passing through the rotating cylinder mixing wet machine 12, it is also possible to It is the throughput (i.e. dry sand throughput) obtaining the sand material that will pass through the rotating cylinder mixing wet machine 12, it is also possible to be just to obtain Throughput (being i.e. in the sand material throughput within the rotating cylinder mixing wet machine) at the sand material of the rotating cylinder through mixing wet machine 12.
In embodiments of the present invention, according to the moisture content of the desired damp sand mixing the output of wet machine, dry sand can be obtained and pass through Corresponding relation between amount and humidification water demand.Control equipment receives collecting device and sends the dry sand throughput signal of coming, Obtain the dry sand throughput that this dry sand throughput signal is characterized, and it is corresponding to obtain dry sand throughput according to this corresponding relation Humidification water demand, generate characterize this humidification water demand humidification water demand signal.
In embodiments of the present invention, control equipment includes the digital signal processors such as such as MCU, CPU, DSP, deposits Reservoir and the communication module of necessity.Control equipment and collecting device set up communication relation to ensure that the humidification water yield is led to sand It is the most controlled that excess realizes synchronizing, on the basis of Tong Bu the most controlled of the above-mentioned humidification water yield and sand throughput realization, When the dry sand throughput that collecting device detects the rotating cylinder by mixing wet machine is bigger, control equipment now produces accordingly Humidification water demand signal is then the humidification water yield of bigger demand, to ensure the moisture content of finished sand.
The sand material humidification system of the embodiment of the present invention, is got by collecting device and treats to mix wet machine through (i.e. waiting to enter) The dry sand throughput of rotating cylinder, and generate dry sand throughput signal;It is corresponding that control equipment obtains dry sand throughput signal Humidification water demand signal, and humidification water demand signal is sent to humidifier;The most above-mentioned humidifier, according to adding Wet water demand signal, controls to the humidification water flow mixing the conveying of wet machine rotating cylinder;The present invention can passing through according to dry sand The change of amount adjusts in real time the flow of humidification water, solves and mixes what the moisture content of wet machine output sand material can not be accurately controlled Technical problem, improves service behaviour and the work efficiency of sand material humidification system, has reached the sand material humidification water yield and in real time may be used The technique effect of control.
Alternatively, humidifier may include that
Converter, for producing the pump rotary speed that humidification water demand signal is corresponding;And
Water pump, is connected with converter, according to the pump rotary speed work that humidification water demand signal is corresponding, humidification water is led to Piping is delivered to mix wet machine rotating cylinder.
In embodiments of the present invention, Frequency Converter Control pump rotary speed, humidification water is delivered to mix wet machine and turns by water pump from water source In cylinder so that humidification water is sufficiently mixed in mixing wet machine rotating cylinder with sand material, generates high-quality finished sand.At water In the case of the abundance of source, the discharge that the rotating speed of water pump and water pump export has the corresponding relation of controllable precise, the present invention Embodiment is by the way of water pump pressurization forms stationary flow, it is to avoid at the discharge caused because of tap water pressure change In uncontrollable state or the situation of unpredictable state.Water pump is according to pump rotary speed corresponding to humidification water demand signal Work, is delivered to mix in wet machine rotating cylinder by pipeline by humidification water, it is to avoid cause discharge because tap water pressure changes The uncontrollable problem of state, improves the performance that sand material humidification system is the most controlled.
Alternatively, humidifier also includes: sprays device, is placed in and mixes in wet machine rotating cylinder, sprays the outlet only court of device Arrange to the default sprinkling region mixed in wet machine rotating cylinder.
In embodiments of the present invention, presetting sprinkling region is a certain region preset in mixing wet machine rotating cylinder, this edge, region The axially and/or radially direction setting mixing wet machine rotating cylinder.Such as, in the axial direction, preset sprinkling region to be preferably set up In near the sand inlet mixing wet machine.The most such as, usually, when sand material enters rotating cylinder, along with the rotation of rotating cylinder, sand material It is positioned at the bottom section of rotating cylinder under gravity, therefore on the circumferencial direction of rotating cylinder, sprays device towards rotating cylinder Bottom section sprays, and presetting sprinkling region can be the region that cylinder bottom is relative with spraying device, the class that this region is Like fan-shaped region.According to the demand of the humidification water yield, can arrange flexibly to preset and spray region, it is to avoid humidification water is sprayed On the barrel of rotating cylinder side, cause buildup.Sprinkling device is arranged to be mixed in wet machine rotating cylinder, to mixing in wet machine rotating cylinder Sand material carries out adding wet process.If be not configured sprinkling device, substantial amounts of humidification water may be sprayed directly on and turn On the barrel of cylinder, during drum rotation, when the dry sand having just enter into rotating cylinder touches this rotating cylinder squirted, sand material Can bond on rotating cylinder, easily cause sand material and mix the wet uneven or situation generation of barrel buildup.Barrel buildup one side Face can make cylinder heavily increase, thus causes energy consumption to increase;On the other hand can be more and more thicker, in causing rotating cylinder along with buildup layer Space is reduced, and reduces sand material and mixes and wet pass through efficiency.Therefore, it is only oriented towards and mixes wet machine by arranging the outlet spraying device Default sprinkling region in rotating cylinder, i.e. sprays device and water orientation is sprayed on sand material, it is to avoid water is sprayed at barrel On, thus avoid the generation of buildup phenomenon.
Alternatively, humidifier also includes: water container, and water pump is installed on bottom water container, the capacity of water container Only the wet machine rotating cylinder moment is mixed, sand material humidification system not less than playing the stopping entrance of sand material from the sand material humidification system shutdown moment The required humidification water yield.
In the present invention implements, water container can be other containers such as water tank, pond or bucket.In actual applied field Under scape, it is possible that the situation cut off the water suddenly, even if when cutting off the water suddenly, relevant staff can the very first time Finding and immediately close off humidification system, it is also possible to humidification system will not be out of service, sand production line processed may also can be because of Continued operation a period of time, until production line stops completely.During this period of time, stop the most completely when sand production line processed When only working, a large amount of sand material still can be delivered to mix wet machine by screening machine, mixes wet machine and is likely to may proceed to running, will be mixed Closing has the sand material of a large amount of dry sand to export, and seriously compromises the quality of finished sand.Therefore, the humidifier of the present invention also includes Water container, water pump is installed on bottom water container, and water pump draws water from water container and pump is toward spraying device, passes through Converter regulation Real-time Water pump frequency controls discharge, and wherein, the capacity of above-mentioned water container is not less than adding from sand material The wet system closedown moment plays the stopping entrance of sand material and only mixes the wet machine rotating cylinder moment, the humidification water yield needed for sand material humidification system, Ensure that normal operation when sand production line processed runs into accident, and then ensure the quality of finished sand.Held by water storage Device caches a part of water yield, under situation of cutting off the water suddenly, it is possible to ensure that enough water maintains sand production line processed normally to stop Machine, and do not damage finished sand quality.
Alternatively, in embodiments of the present invention, humidifier also includes: liquid-level switch, is arranged at the water inlet of water container Mouthful, the height of water level in water container is maintained preset height.
In embodiments of the present invention, if continuing to extract water from water container, it is necessary to constantly note in water container Water, when dry sand throughput real-time change, the amount of water required also can change always, if according to fixing water filling speed Rate discharges water in water container, may result in the situation that water container middle water level is unstable, affects normal operation.Cause This, the humidifier of the embodiment of the present invention also includes liquid-level switch, and tap water controls to inject water container by liquid-level switch, When water container water shortage, liquid-level switch automatically controls injection tap water, when Water in Water Tanks amount reaches preset height, Liquid-level switch is automatically switched off tap water.In this case, in water container by the determined water level of liquid-level switch after, storage After the water yield can stored in water container need to meet and cuts off the water, complete out of service required from the sand production line processed production line that shuts down The humidification water yield wanted.By arranging liquid-level switch, it is possible to more efficiently ensure when sand production line processed runs into accident Normal operation.
Alternatively, humidifier also includes: detection part, for detecting the height of water level of water container, and is detecting When the height of water level of water container is less than preset water level threshold value, generate alarm signal or sand material humidification system off signal, Ensure normal operation and the quality of finished sand of sand material humidification system.
Fig. 3 is the structural representation of a kind of optional humidifier according to embodiments of the present invention, as it is shown on figure 3, this adds Wet device includes: 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 transmission of converter receiving control apparatus comes Humidification water demand signal, humidification water demand signal is converted to pump rotary speed;Water pump 81 generates according to converter Pump rotary speed work, water pump 81 is installed on the bottom of water container 82, and water-supply-pipe 85 is connected with water pump 81, and Extend to mix in wet machine rotating cylinder, be sent to mix wet machine rotating cylinder by the humidification water that water pump is extracted out.At the other end of water-supply-pipe 85, Connecting and have sprinkling device 86, sprinkling device 86 is positioned at mixes wet machine rotating cylinder, and the outlet spraying device is set by orientation Meter, is only sprayed on the water that adds water and predetermined in mixing wet machine rotating cylinder adds wet zone.Liquid-level switch 83 is installed on water container At the water inlet 84 of 82, control the height of water level of water container 82.Detection device is mountable to preset water level height, The water level of detection water container, when water container middle water level is less than its detection height, generates alarm signal or shutdown letter Number, off signal can be sent to control equipment, controls whole humidification system out of service.In another optional embodiment In, it is also possible to use electrodynamic valve to replace above-mentioned converter and water pump, constantly can feed back by measuring actual discharge The mode of regulation electrodynamic valve aperture, reaches the purpose that actual discharge is consistent with default discharge.When entering electrodynamic valve Water pressure invariableness time, through feedback regulation after a while, actual discharge will be consistent with presetting discharge.But, Electrodynamic valve belongs to high-end control valve, is not suitable for this operating mode of sand production line processed and compares relatively rugged environment;The opposing party Face, electrodynamic valve is that the aperture by control valve carrys out regulating water flow, is not so good as to become to the effect that accurately controls of discharge Frequently device and the combination of water pump, such as, when after a period of time, hydraulic pressure changes, when electrodynamic valve will again pass by one section Between feedback regulation to can be only achieved actual discharge consistent with default discharge, and if hydraulic pressure is unstable and change is very fast, The time of feedback regulation will not catch up with the transformation period of hydraulic pressure, and discharge is actual will be in uncontrollable state.According to Humidifier shown in Fig. 3, in water circuit system, as long as having abundant water resources, the relation of pump rotary speed and discharge can be recognized For determine that, in practical operation, by measuring the relation that can draw above-mentioned pump rotary speed with discharge, and then Realize the control of discharge.In embodiments of the present invention, produce humidification water demand signal by converter, and then adjust Water saving revolution speed, simply and efficiently achieves the characteristic that discharge is the most controlled.
Alternatively, in embodiments of the present invention, before above-mentioned collecting device may be located at the sand inlet mixing wet machine, or It is positioned at and mixes inside wet machine, or be positioned at the sand export mixing wet machine.
In a kind of alternative that the embodiment of the present invention provides, before collecting device may be located at the sand inlet mixing wet machine, Before i.e. collecting device may be located at and mixes at the sand material input port of wet machine or mix wet machine sand material input port, such as, when In Machine-made Sand production line, when having screening machine, sand material mixes wet machine by sending into after screening machine, and now, collection sets For may be located at screening machine and mixing between wet machine;The most such as, it is not arranged in production line when mixing wet machine, but When being separately provided, when mixing wet machine for mixing wet to finished product dry sand, collecting device just can be arranged at and mix entering of wet machine Sand mouth.Now, the throughput of the sand material through mixing wet machine rotating cylinder of collecting device collection, it is to wait to enter and mixes wet machine The throughput of dry sand;Collecting device, according to the throughput of the dry sand gathered, generates dry sand throughput signal.
In the alternative dispensing means that the embodiment of the present invention provides, collecting device can also be installed on to be mixed on wet machine, adopts Collection mixes the sand material throughput in wet machine, now, the throughput of the sand material through mixing wet machine rotating cylinder of collecting device collection, It is and is positioned at the throughput adding damp sand material mixed in wet machine rotating cylinder;Collecting device is according to default moisture content, by gather Add the throughput that the throughput of damp sand material is converted to wait to enter the dry sand mixing wet machine, generate dry sand throughput signal.? Under another kind of scene, in order to reduce the data processing load of collecting device, collecting device can be mixed wet machine turn according to being positioned at The throughput adding damp sand material in Tong, directly generates damp sand throughput signal, and wet according to preset by controlling equipment The moisture content of sand, is converted to dry sand throughput signal by damp sand throughput signal.Wherein, this damp sand preset is aqueous Rate can be to set based on experience value and be stored in collecting device or control equipment, it is also possible to is to receive to measure device survey The moisture content of the damp sand measured also is stored in collecting device or control equipment.
In another alternative that the embodiment of the present invention provides, collecting device may be located on mixing the sand export of wet machine, Gather the dry sand throughput of the damp sand mixing the output of wet machine, now, the sand material through mixing wet machine rotating cylinder of collecting device collection Throughput, be from the throughput adding damp sand material mixing wet machine rotating cylinder output;Collecting device is aqueous according to presetting Rate, is converted to the throughput waiting to enter the dry sand mixing wet machine by the throughput adding damp sand material gathered, and generates dry sand and leads to Excessive signal.Under another kind of scene, in order to reduce the data processing load of collecting device, collecting device can basis From mixing the throughput adding damp sand material of output wet machine rotating cylinder, directly generate damp sand throughput signal, and set by control The standby moisture content according to the damp sand preset, is converted to dry sand throughput signal by damp sand throughput signal.Wherein, this is pre- If the moisture content of damp sand can be to set based on experience value and be stored in collecting device or control equipment, it is also possible to be Receive and measure the moisture content of the damp sand that device measurement obtains and be stored in collecting device or control equipment.
Alternatively, be positioned at the sand inlet mixing wet machine at collecting device in the case of, control equipment and humidification water demand is believed Send to humidifier after number time delay preset time period, wherein, preset time period is sand material be delivered to mix from collecting device wet Time needed for machine rotating cylinder.
In embodiments of the present invention, control equipment can obtain the preset time period prestored, it is also possible to measures sand material from adopting Collection equipment is delivered to mix the time of wet machine rotating cylinder, obtains this preset time period.Sand material humidification according to embodiments of the present invention System, uses signal delay technology, is gathered the throughput waiting to enter the sand material mixing wet machine by collecting device and generates dry Sand throughput signal, is converted into humidification water demand signal after control equipment calculates, and (example after postponing preset time period As: the time, t) mail to humidifier, controlled in real time humidification water demand, and then regulation humidification water demand can in real time and Actual sand throughput in rotating cylinder matches.Meanwhile, by time delay preset time period, it is ensured that be completely covered at sand material Preset after spraying region, just in mixing wet machine rotating cylinder, spray humidification water according to humidification water demand signal, can avoid Sand material does not mixes wet machine rotating cylinder cylinder ancient piece of jade, round, flat and with a hole in its centre buildup completely into during default sprinkling region with regard to what sprinkling humidification water caused.
Fig. 4 is the control flow schematic diagram of a kind of optional sand material humidification system according to embodiments of the present invention, such as Fig. 4 Shown in, collecting device gathers the throughput waiting to enter the dry sand mixing wet machine, generates dry sand throughput signal, or weighing amount Signal.For sand material, sand material, by after collecting device, enters and mixes wet machine rotating cylinder.For humidification water, humidification water is selected Tap water, as water source, is pre-stored within water container by tap water, and by the water pump being installed in water container It is delivered to humidification water spray device, humidification water is sprayed on mixes in wet machine rotating cylinder by spraying device.Control equipment can Obtain collecting device and send the dry sand throughput signal of coming, and generate the transmission of humidification water demand signal to converter, change Frequently humidification water demand signal is converted into pump rotary speed by device, controls water pump and operates according to this pump rotary speed.Finally, add Finished product damp sand after wet exports from the sand export mixing wet machine rotating cylinder.Further, control equipment is opened in humidification system running During the beginning, after collecting device starts to collect dry sand throughput signal, record collecting device and collect dry sand throughput The time of signal.Meanwhile, it is additionally provided with another detection device in mixing wet machine rotating cylinder, is used for measuring whether sand material enters Enter to mix wet machine rotating cylinder, when starting to have detected that wet machine rotating cylinder is mixed in the entrance of sand material, record and detected that the entrance of sand material is mixed The time of wet machine rotating cylinder.Collecting device according to record collects the time of dry sand throughput signal and sand material detected Entering the time mixing wet machine rotating cylinder, obtain under current transportation speed, sand material is sent to mix wet machine rotating cylinder institute from collecting device The time needed, i.e. get preset time period, completed the initial work of equipment.And then, in running afterwards, Control equipment also sends to humidifier after humidification water this preset time period of demand signal lag, wherein, and Preset Time Section is delivered to mix the time needed for wet machine rotating cylinder from collecting device for sand material.In sum, when mixing wet machine and starting, control Control equipment controls the first humidification of not spraying water of humidifier, systematic survey to be controlled calculating and sprinkling humidification district is completely covered to sand material Sprinkling device is restarted, it is ensured that water will not be sprayed on barrel behind territory.Need exist for explanation, if wet mixing No-delay sprinkling when machine starts, i.e. when sand material has just enter into rotating cylinder or sand material does not enters into rotating cylinder, just has been started up spray Spilling, make water be sprayed directly on barrel and cause buildup, the present invention uses when mixing wet machine and starting, and postpones to spray device Start, and then avoid the generation of barrel buildup.According to embodiments of the present invention, system also includes liquid-level switch, is used for Control the water level of water container in preset water level.It addition, by the orientation spray application spraying device, water pump and frequency conversion The water spray voltage stabilizing technique that device coordinates, mixes time delay spray application when wet machine starts, and the real-time adaptive regulation humidification water yield Technology, common guarantee does not has water and is sprayed directly on rotating cylinder barrel, thus avoids and mix wet barrel wall buildup phenomenon.
Fig. 5 is the control flow schematic diagram of another kind of optional sand material humidification system according to embodiments of the present invention;Fig. 5 The part identical with Fig. 4 repeats no more, and highlights the difference of Fig. 5 Yu Fig. 4 below.As it is shown in figure 5, Collecting device is positioned at after mixing wet machine, and collecting device is positioned at the sand export mixing wet machine in other words, gathers and mixes the output of wet machine The throughput of damp sand, under this application scenarios, according to mix wet machine output damp sand throughput with treat that wet machine is mixed in entrance The throughput of dry sand set up corresponding relation, be converted to wait to enter mix wet machine by the throughput mixing the damp sand of wet machine output The throughput of dry sand, and generate dry sand throughput signal.Under a kind of application scenarios, collecting device is aqueous according to presetting Rate, is converted to the throughput waiting to enter the dry sand mixing wet machine by the throughput adding damp sand material gathered, and generates dry sand and leads to Excessive signal.Under another kind of scene, in order to reduce the data processing load of collecting device, collecting device can basis From mixing the throughput adding damp sand material of output wet machine rotating cylinder, directly generate damp sand throughput signal, and set by control The standby moisture content according to the damp sand preset, is converted to dry sand throughput signal by damp sand throughput signal.Wherein, this is pre- If the moisture content of damp sand can be to set based on experience value and be stored in collecting device or control equipment, it is also possible to be Receive and measure the moisture content of the damp sand that device measurement obtains and be stored in collecting device or control equipment.
Alternatively, in embodiments of the present invention, collecting device includes any one equipment following: weighing equipment, volume Measurement equipment and image capture device.
Alternatively, in the case of collecting device is weighing equipment, weighing equipment weighs the sand material through mixing wet machine rotating cylinder Weight, and generate dry sand throughput signal.Specifically, if being simply provided with weighing equipment in sand front end processed, pass through Obtain Data Control sand material inlet at this stable, and do not consider output sand doses and enter the out-of-proportion pass of sand doses System, owing to sand material quantum of output is real-time change at random, when the sand doses of output changes, humidification system cannot foundation Sand material changes and adjusts water-flowing amount in real time, and then cannot ensure the water content of finished sand.In the related, by advance If the mode of certain building stones inlet amount is calculated the expected value of sand throughput, further according to sand throughput expected value with Moisture content presets a water flow value;The expected value of sand throughput can averagely become sand coarse aggregate ratio calculating to get by building stones, When building stones inlet amount is invariable, sand throughput is actually real-time change in a relative broad range, therefore existing Technology is had not regulated in real time according to sand throughput by humidification water flow.And the present invention uses weighing equipment to lead to sand Excess measures, and is weighed sand throughput, the real-time adaptive regulation humidification water yield, it is ensured that add in real time by weighing equipment The wet water yield and sand amount real-time matching, accurately controlled the moisture content of finished sand.
Alternatively, in the case of collecting device is cubing equipment, collecting device is measured through mixing wet machine rotating cylinder The volume of sand material, calculates the throughput of sand material and generates dry sand throughput signal.
Alternatively, in the case of collecting device is image capture device, collecting device collection is through mixing wet machine rotating cylinder The image of sand material, and the throughput of sand material is calculated according to the image collected, generate dry sand throughput signal.
Alternatively, in embodiments of the present invention, it is positioned at collecting device and mixes inside wet machine, or be positioned at and mix going out of wet machine In the case of sand mouth, collecting device obtain the throughput of the damp sand mixed in the rotating cylinder of wet machine or mix that wet machine transfers out wet The throughput of sand, and according to the moisture content of the default damp sand mixing wet machine and the throughput of damp sand, calculate and treat that entrance is mixed The throughput of the dry sand of wet machine, generates dry sand throughput signal.
Alternatively, in embodiments of the present invention, after getting the throughput waiting to enter the dry sand mixing wet machine, control Equipment can also by this wait the throughput entering the dry sand mixing wet machine with and the max-thresholds of throughput of dry sand preset enter Row compares, and when the throughput of the dry sand got exceedes this max-thresholds, control equipment controls dry sand entrance and mixes wet machine Speed.Such as, when sand material humidification system also includes screening machine, when controlling equipment Inspection leading to the dry sand obtained When excess exceedes this max-thresholds, control equipment controls screening machine to the speed mixing wet machine output sand material.
As can be seen from the above description, the present invention solve mix wet machine output sand material moisture content can not be by accurately The technical problem controlled, improves service behaviour and the work efficiency of sand material humidification system, has reached the sand material humidification water yield The most controlled technique effect.
Embodiment two
According to embodiments of the present invention, it is provided that the sand material air-humidification method embodiment of a kind of sand material humidification system, explanation is needed , can be in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing Perform, and, although show logical order in flow charts, but in some cases, can be to be different from this The step shown or described by order execution at place.The sand material air-humidification method that the embodiment of the present invention provides can be by above-mentioned The sand material humidification system that embodiment provides realizes, and above-mentioned sand material humidification system can also use the present invention when controlling The sand material air-humidification method that embodiment provides.
Fig. 6 is the flow chart of the sand material air-humidification method of a kind of optional sand material humidification system according to embodiments of the present invention, As shown in Figure 6, the method comprises the steps:
S102: receiving the dry sand throughput signal waiting to enter the rotating cylinder mixing wet machine, wherein, dry sand throughput signal is by adopting Collection equipment generates according to the throughput of the sand material of the rotating cylinder through mixing wet machine obtained.
In the present invention implements, dry sand throughput signal is for characterizing the throughput through mixing wet machine rotating cylinder dry sand.Dry sand Throughput can be by mixing the quality of the dry sand of wet machine in the unit time.When sand material humidification system runs, screening The coarse sand that transmission comes first is carried out screening and generates sand material by machine, and to mixing the conveying of wet machine, collecting device just can collect dry By mixing the sand material quality of wet machine in the sand throughput signal i.e. unit interval.
Herein it should be noted that the process that collecting device obtains mixes the throughput of the sand material of the rotating cylinder of wet machine, Ke Yishi The throughput (i.e. obtain is damp sand throughput) of the sand material passing through the rotating cylinder mixing wet machine obtained, it is also possible to be to obtain Take will be through mixing the throughput (i.e. dry sand throughput) of the sand material of the rotating cylinder of wet machine, it is also possible to is the warp obtained Cross the throughput (being i.e. in the sand material throughput within the rotating cylinder mixing wet machine) of the sand material of the rotating cylinder mixing wet machine.
S104: obtain the humidification water demand signal that dry sand throughput signal is corresponding.
In embodiments of the present invention, humidification water can be conventional source water, a certain proportion of humidification water and the sand material such as tap water Being thoroughly mixed to form damp sand in mixing the special cylinder of wet machine, the humidification water yield can be conveying in mixing wet machine rotating cylinder in the unit time The quality of humidification water.According to the moisture content of the desired damp sand mixing the output of wet machine, dry sand throughput can be obtained and add Corresponding relation between wet water demand.
S106: sending humidification water demand signal to humidifier, wherein, humidifier is according to humidification water demand signal Control to the humidification water flow mixing the conveying of wet machine rotating cylinder.
In embodiments of the present invention, the above-mentioned humidification water yield and sand throughput realize Tong Bu the most controlled on the basis of, When the dry sand throughput that collecting device detects the rotating cylinder by mixing wet machine is bigger, control equipment now produces accordingly Humidification water demand signal is then the humidification water yield of bigger demand, to ensure 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 is believed Number by collecting device according to obtain through mixing wet machine rotating cylinder dry sand throughput generate, obtain dry sand throughput signal Corresponding humidification water demand signal, sends humidification water demand signal to humidifier, and wherein, humidifier is according to adding Wet water demand signal controls, to the humidification water flow mixing the conveying of wet machine rotating cylinder, to solve and mix the aqueous of wet machine output sand material The technical problem that rate can not be accurately controlled, improves service behaviour and the work efficiency of sand material humidification system, reaches The technique effect that the sand material humidification water yield is the most controlled.
Alternatively, collecting device may be located at the sand inlet mixing wet machine, or be positioned at and mix inside wet machine, or be positioned at and mix The sand export of wet machine, wherein, screening machine generates sand material for the coarse sand that transmission comes is carried out screening and is delivered to mix wet machine.
In a kind of alternative that the embodiment of the present invention provides, collecting device may be located at the sand inlet mixing wet machine, i.e. Collecting device may be located at before mixing at the sand material input port of wet machine or mix wet machine sand material input port, such as, when at machine In sand production line processed, when having screening machine, sand material mixes wet machine, now, collecting device by sending into after screening machine May be located at screening machine and mix between wet machine;The most such as, it is not arranged in production line when mixing wet machine, but single When solely arranging, when mixing wet machine for mixing wet to finished product dry sand, collecting device just can be arranged at mix wet machine enter sand Mouthful.Now, the throughput of the sand material through mixing wet machine rotating cylinder of collecting device collection, it is to wait to enter and mixes the dry of wet machine The throughput of sand;Collecting device, according to the throughput of the dry sand gathered, generates dry sand throughput signal.
In the alternative dispensing means that the embodiment of the present invention provides, collecting device can also be installed on to be mixed on wet machine, adopts Collection mixes the sand material throughput in wet machine, now, the throughput of the sand material through mixing wet machine rotating cylinder of collecting device collection, It is and is positioned at the throughput adding damp sand material mixed in wet machine rotating cylinder;Collecting device is according to default moisture content, by gather Add the throughput that the throughput of damp sand material is converted to wait to enter the dry sand mixing wet machine, generate dry sand throughput signal.? Under another kind of scene, in order to reduce the data processing load of collecting device, collecting device can be mixed wet machine turn according to being positioned at The throughput adding damp sand material in Tong, directly generates damp sand throughput signal, and wet according to preset by controlling equipment The moisture content of sand, is converted to dry sand throughput signal by damp sand throughput signal.Wherein, this damp sand preset is aqueous Rate can be to set based on experience value and be stored in collecting device or control equipment, it is also possible to is to receive to measure device survey The moisture content of the damp sand measured also is stored in collecting device or control equipment.
In another alternative that the embodiment of the present invention provides, collecting device may be located on mixing the sand export of wet machine, Gather the dry sand throughput of the damp sand mixing the output of wet machine, now, the sand material through mixing wet machine rotating cylinder of collecting device collection Throughput, be from the throughput adding damp sand material mixing wet machine rotating cylinder output;Collecting device is aqueous according to presetting Rate, is converted to the throughput waiting to enter the dry sand mixing wet machine by the throughput adding damp sand material gathered, and generates dry sand and leads to Excessive signal.Under another kind of scene, in order to reduce the data processing load of collecting device, collecting device can basis From mixing the throughput adding damp sand material of output wet machine rotating cylinder, directly generate damp sand throughput signal, and set by control The standby moisture content according to the damp sand preset, is converted to dry sand throughput signal by damp sand throughput signal.Wherein, this is pre- If the moisture content of damp sand can be to set based on experience value and be stored in collecting device or control equipment, it is also possible to be Receive and measure the moisture content of the damp sand that device measurement obtains and be stored in collecting device or control equipment.
Alternatively, be positioned at the sand inlet mixing wet machine at collecting device in the case of, in step S106: by humidification water demand Amount signal sent before humidifier, and sand material air-humidification method also includes:
Step S105: wait preset time period, wherein, after waiting preset time period, perform humidification water demand Signal sends the step to humidifier.
In embodiments of the present invention, preset time period is that sand material is delivered to mix the time needed for wet machine rotating cylinder from collecting device. Need exist for explanation, the sand material air-humidification method of the embodiment of the present invention, use signal delay technology, set by collection Standby collection will be converted into humidification water demand signal through mixing the sand throughput signal of wet machine after control equipment calculates, And t mails to humidifier time delay, controlling humidification water demand in real time, delay time t is that sand material is defeated from collecting device Deliver to mix the time needed for region to be humidified in wet machine rotating cylinder, and then regulation humidification water demand can be in real time and in rotating cylinder Actual sand throughput matches.
In embodiments of the present invention, when humidification system running starts, start to collect dry sand throughput at collecting device After signal, record collecting device and collect the time of dry sand throughput signal.Meanwhile, go back in mixing wet machine rotating cylinder It is provided with another detection device, is used for measuring sand material and whether enters and mix wet machine rotating cylinder, detected that sand material enters starting When mixing wet machine rotating cylinder, record and detect that sand material enters the time mixing wet machine rotating cylinder.Collecting device according to record is adopted Collection is to time of dry sand throughput signal and detects that sand material enters the time of wet machine rotating cylinder of mixing, and obtains current transportation fast Under rate, sand material is sent to mix the time needed for wet machine rotating cylinder from collecting device, has i.e. got preset time period.
Alternatively, the humidification water flow that humidifier controls to mixing the conveying of wet machine rotating cylinder according to humidification water demand signal includes:
Step S1092: obtain the pump rotary speed that humidification water demand signal is corresponding;
Step S1094: control water pump and work according to pump rotary speed, be delivered to mix wet machine rotating cylinder by pipeline by humidification water.
In embodiments of the present invention, Frequency Converter Control pump rotary speed, humidification water is delivered to mix wet machine and turns by water pump from water source In cylinder so that humidification water is sufficiently mixed in mixing wet machine rotating cylinder with sand material, generates high-quality finished sand.At water In the case of the abundance of source, the discharge that the rotating speed of water pump and water pump export has the corresponding relation of controllable precise, the present invention Embodiment is by the way of water pump pressurization forms stationary flow, it is to avoid at the discharge caused because of tap water pressure change In uncontrollable state or the situation of unpredictable state.Water pump is according to pump rotary speed corresponding to humidification water demand signal Work, is delivered to mix in wet machine rotating cylinder by pipeline by humidification water, it is to avoid cause discharge because tap water pressure changes The uncontrollable problem of state, improves the performance that sand material humidification system is the most controlled.
Alternatively, in embodiments of the present invention, after being delivered to humidification water by pipeline mix wet machine rotating cylinder, according to adding Wet water demand signal, controls the humidification water flow to mixing the conveying of wet machine rotating cylinder and also includes:
Step S1096: humidification water is sprayed at the default sprinkling region mixing in wet machine rotating cylinder.
In embodiments of the present invention, in embodiments of the present invention, presetting sprinkling region is to preset in mixing wet machine rotating cylinder A certain region, this region is arranged along the axially and/or radially direction mixing wet machine rotating cylinder.Such as, in the axial direction, preset Spray region to be preferably provided near the sand inlet mixing wet machine.The most such as, usually, when sand material enters rotating cylinder, with The rotation of rotating cylinder, sand material is positioned at the bottom section of rotating cylinder under gravity, therefore on the circumferencial direction of rotating cylinder, Spraying device to spray towards cylinder bottom region, presetting sprinkling region can be the district that cylinder bottom is relative with spraying device Territory, the region of the similar sector that this region is.According to the demand of the humidification water yield, can arrange flexibly to preset and spray region, Avoid humidification water to be sprayed on the barrel of rotating cylinder side, cause buildup.Sprinkling device is arranged to be mixed in wet machine rotating cylinder, right Mix the sand material in wet machine rotating cylinder to carry out adding wet process.If be not configured sprinkling device, substantial amounts of humidification water may Can be sprayed directly on the barrel of rotating cylinder, during drum rotation, squirt when the dry sand having just enter into rotating cylinder touches this Rotating cylinder time, sand material can bond on rotating cylinder, easily causes sand material and mixes the situation of wet uneven or barrel buildup and occur. On the one hand barrel buildup can make cylinder heavily increase, thus causes energy consumption to increase;On the other hand can be more and more thicker along with buildup layer, Cause space in rotating cylinder to be reduced, reduce sand material and mix and wet pass through efficiency.Therefore, by only arranging the outlet spraying device Towards the default sprinkling region mixed in wet machine rotating cylinder, i.e. spray device and water orientation is sprayed on sand material, it is to avoid by water It is sprayed on barrel, thus avoids the generation of buildup phenomenon..
Alternatively, in embodiments of the present invention, when mixing wet machine and starting, control equipment controls first water spray of humidifier and adds Wet, systematic survey to be controlled calculating are completely covered after sprinkling adds wet zone to sand material restarts sprinkling device, it is ensured that Water will not be sprayed on barrel.Need exist for explanation, if the no-delay sprinkling when mixing wet machine and starting, i.e. at sand Material has just enter into rotating cylinder or time sand material does not enters into rotating cylinder, just has been started up spraying, makes water be sprayed directly on barrel and make Becoming buildup, the present invention uses when mixing wet machine and starting, and postpones to spray the startup of device, and then avoids barrel buildup Occur.
Alternatively, water pump is installed on bottom water container, and the capacity of water container shuts down not less than from sand material humidification system Moment plays the stopping entrance of sand material and only mixes the wet machine rotating cylinder moment, the humidification water yield 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.Apply in reality Under scene, it is possible that the situation cut off the water suddenly, even if when cutting off the water suddenly, relevant staff can first time Between find and immediately close off humidification system, it is also possible to humidification system will not be out of service, and sand production line processed may also can be because of For continued operation a period of time, until production line stops completely.During this period of time, the most complete when sand production line processed When quitting work, a large amount of sand material still can be delivered to mix wet machine by screening machine, mixes wet machine and is likely to may proceed to running, will It is mixed with the sand material output of a large amount of dry sand, seriously compromises the quality of finished sand.Therefore, the humidifier of the present invention also wraps Including water container, water pump is installed on bottom water container, and water pump draws water from water container and pump is toward spraying device, logical Crossing converter regulation Real-time Water pump frequency to control discharge, wherein, the capacity of above-mentioned water container is not less than from sand material The humidification system shutdown moment plays the stopping entrance of sand material and only mixes the wet machine rotating cylinder moment, the humidification water needed for sand material humidification system Amount, it is ensured that sand production line processed runs into normal operation during accident, and then ensures the quality of finished sand.By storage Water container caches a part of water yield, under situation of cutting off the water suddenly, it is possible to ensure that enough water is just maintaining sand production line processed Often shut down, and do not damage finished sand quality.
Alternatively, the water inlet of water container is provided with liquid-level switch, for being maintained by the height of water level in water container In preset height.
In embodiments of the present invention, if continuing to extract water from water container, it is necessary to constantly note in water container Water, when dry sand throughput real-time change, the amount of water required also can change always, if according to fixing water filling speed Rate discharges water in water container, may result in the situation that water container middle water level is unstable, affects normal operation.Cause This, the humidifier of the embodiment of the present invention also includes liquid-level switch, and tap water controls to inject water container by liquid-level switch, When water container water shortage, liquid-level switch automatically controls injection tap water, when Water in Water Tanks amount reaches preset height, Liquid-level switch is automatically switched off tap water.In this case, in water container by the determined water level of liquid-level switch after, storage After the water yield can stored in water container need to meet and cuts off the water, complete out of service required from the sand production line processed production line that shuts down The humidification water yield wanted.By arranging liquid-level switch, it is possible to more efficiently ensure when sand production line processed runs into accident Normal operation.
Alternatively, sand material air-humidification method according to embodiments of the present invention can also include: the water level of detection water container is high Degree, and when height of water level water container being detected is less than preset water level threshold value, generate alarm signal or sand material humidification System closedown signal, it is ensured that the normal operation of sand material humidification system and the quality of finished sand.
Alternatively, in embodiments of the present invention, collecting device includes any one equipment following: weighing equipment, volume Measurement equipment and image capture device.
Alternatively, in the case of collecting device is weighing equipment, weighing equipment weighs the sand material through mixing wet machine rotating cylinder Weight, and generate dry sand throughput signal.
In embodiments of the present invention, if being simply provided with weighing equipment in sand front end processed, by obtaining Data Control at this Sand material inlet is stable, and does not consider output sand doses and enter the out-of-proportion relation of sand doses, due to sand material output Amount is real-time change at random, and when the sand doses of output changes, water-flowing amount is not made accordingly by existing humidification system Adjust in real time, then cannot ensure the water content of finished sand.And the present invention uses weighing equipment to carry out the throughput of sand material Measure, weighed the throughput of sand material, the real-time adaptive regulation humidification water yield, it is ensured that humidification water by weighing equipment in real time Amount and sand amount real-time matching, accurately controlled the moisture content of finished sand.
Alternatively, in the case of collecting device is cubing equipment, collecting device is measured through mixing wet machine rotating cylinder The volume of sand material, calculates the throughput of sand material and generates dry sand throughput signal.
Alternatively, in the case of collecting device is image capture device, collecting device collection is through mixing wet machine rotating cylinder The image of sand material, and the throughput of sand material is calculated according to the image collected, generate dry sand throughput signal.
Alternatively, in embodiments of the present invention, it is positioned at collecting device and mixes inside wet machine, or be positioned at and mix going out of wet machine In the case of sand mouth, collecting device obtain the throughput of the damp sand mixed in the rotating cylinder of wet machine or mix that wet machine transfers out wet The throughput of sand, and according to the moisture content of the default damp sand mixing wet machine and the throughput of damp sand, calculate and treat that entrance is mixed The dry sand throughput of wet machine, generates dry sand throughput signal.
In embodiments of the present invention, mix in wet machine rotating cylinder or mix wet machine sand export and can be provided with detecting device for moisture content, The real-time moisture content in detection sand material.Such as, the moisture content of output sand material, then root are detected at the sand export mixing wet machine According to the accurate Extrapolation of this moisture content, obtain the throughput waiting to enter the dry sand mixing wet machine, it is achieved that the throughput of dry sand Accurate acquisition.Alternatively, it is also possible to carry out Extrapolation by the way of setting moisture content.
Alternatively, after getting the throughput waiting to enter the dry sand mixing wet machine, control equipment can also by this treat into Enter the throughput of the dry sand mixing wet machine with and the max-thresholds of the throughput of dry sand preset compare, when get When the throughput of dry sand exceedes this max-thresholds, control equipment controls dry sand and enters the speed mixing wet machine.Such as, sand is worked as When material humidification system also includes screening machine, exceed this max-thresholds when controlling the equipment Inspection throughput to the dry sand obtained Time, control equipment controls screening machine to the speed mixing wet machine output sand material.
As can be seen from the above description, the present invention solve mix wet machine output sand material moisture content can not be by accurately The technical problem controlled, improves service behaviour and the work efficiency of sand material humidification system, has reached the sand material humidification water yield The most controlled technique effect.According to embodiments of the present invention, by spraying the orientation spray application of device, water pump and change Frequently the water spray voltage stabilizing technique that device coordinates, mixes time delay spray application when wet machine starts, and real-time adaptive regulation humidification water Amount technology, common guarantee does not has water and is sprayed directly on rotating cylinder barrel, thus avoids that to mix wet barrel wall buildup existing As.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not has in certain embodiment The part described in detail, may refer to the associated description of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be passed through other Mode realize.Wherein, device embodiment described above is only schematically, the division of the most described unit, Can be that a kind of logic function divides, actual can have other dividing mode, the most multiple unit or assembly when realizing Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not performs.Another point, institute The coupling each other shown or discuss or direct-coupling or communication connection can be by some interfaces, unit or mould The INDIRECT COUPLING of block or communication connection, can be being electrical or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to On multiple unit.Some or all of unit therein can be selected according to the actual needs to realize the present embodiment scheme Purpose.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated Unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit realizes and as independent production marketing or use using the form of SFU software functional unit Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme Completely or partially can producing with software of the part that the most in other words prior art contributed or this technical scheme The form of product embodies, and this computer software product is stored in a storage medium, including some instructions in order to make Obtain a computer equipment (can be personal computer, server or the network equipment etc.) and perform each enforcement of the present invention All or part of step of method described in example.And aforesaid storage medium includes: USB flash disk, read only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), portable hard drive, magnetic The various medium that can store program code such as dish or CD.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improve and profit Decorations also should be regarded as protection scope of the present invention.

Claims (17)

1. a sand material humidification system, it is characterised in that described system includes:
Mix wet machine;
Collecting device, mixes wet machine be connected with described, for obtain through described in mix sand material logical of rotating cylinder of wet machine Excess, and generate according to the throughput of described sand material wait to enter described in mix the dry sand throughput signal of rotating cylinder of wet machine;
Control equipment, sets up communication with described collecting device, corresponding for obtaining described dry sand throughput signal Humidification water demand signal, and described humidification water demand signal is sent to humidifier;
Humidifier, sets up communication with described control equipment, for according to described humidification water demand signal, controls To the described humidification water flow mixing the conveying of wet machine rotating cylinder.
System the most according to claim 1, it is characterised in that described collecting device be positioned at described in mix wet machine enter sand Mouthful, or mix inside wet machine described in being positioned at, or mix the sand export of wet machine described in being positioned at.
System the most according to claim 2, it is characterised in that mix inside wet machine described in being positioned at described collecting device, Or in the case of mixing the sand export of wet machine described in being positioned at, mix described in the acquisition of described collecting device in the rotating cylinder of wet machine Damp sand throughput or described in mix the throughput of the damp sand that wet machine transfers out, and wet according to mixing described in default The moisture content of the damp sand of machine and the throughput of described damp sand, calculate the passing through of dry sand mixing wet machine described in waiting to enter Amount, generates described dry sand throughput signal.
System the most according to claim 2, it is characterised in that mix entering of wet machine described in being positioned at described collecting device In the case of before sand mouth, described control equipment will be sent out after described humidification water demand signal lag preset time period Deliver to humidifier, wherein, described preset time period be sand material from described collecting device be delivered to described in mix wet machine and turn Time needed for Tong.
System the most according to claim 1, it is characterised in that described humidifier includes:
Converter, for producing the pump rotary speed that described humidification water demand signal is corresponding;
Water pump, is connected with described converter, according to the described pump rotary speed that described humidification water demand signal is corresponding Work, is delivered to mix wet machine rotating cylinder by pipeline by humidification water.
System the most according to claim 5, it is characterised in that described humidifier also includes: spray device, arranges Mix in wet machine rotating cylinder in described, the outlet of described sprinkling device be only oriented towards described in mix the default spray in wet machine rotating cylinder Spill region to arrange.
System the most according to claim 5, it is characterised in that described humidifier also includes: water container, described Water pump is installed on bottom described water container, and the capacity of described water container shuts down not less than from sand material humidification system Moment plays described sand material and stops only mixing the wet machine rotating cylinder moment described in entrance, adding needed for described sand material humidification system The wet water yield.
8. according to the system described in claim 1 to 7 any one, it is characterised in that described collecting device includes as follows Any one equipment: weighing equipment, cubing equipment and image capture device.
System the most according to claim 8, it is characterised in that in the feelings that described collecting device is described weighing equipment Under condition, described weighing equipment weighs the weight of the sand material through mixing wet machine rotating cylinder, and generates described dry sand throughput Signal.
System the most according to claim 8, it is characterised in that be described cubing equipment at described collecting device In the case of, the volume of the sand material through mixing wet machine rotating cylinder measured by described collecting device, calculates the throughput of sand material And generate described dry sand throughput signal.
11. systems according to claim 8, it is characterised in that be described image capture device at described collecting device In the case of, the image of the sand material mixing wet machine rotating cylinder is passed through in described collecting device collection, and according to the institute collected State image and calculate the throughput of sand material, generate described dry sand throughput signal.
12. systems according to claim 1, it is characterised in that described system also includes: for mixing wet machine to described The screening machine of conveying sand material, described screening machine generates described sand material for the coarse sand that transmission comes is carried out screening.
The sand material air-humidification method of 13. 1 kinds of sand material humidification systems, described system includes mixing wet machine, it is characterised in that described method Including:
Receiving the dry sand throughput signal of the rotating cylinder mixing wet machine described in waiting to enter, wherein, described dry sand throughput is believed Number by collecting device according to obtain through mixing wet machine rotating cylinder sand material throughput generate;
Obtain the humidification water demand signal that described dry sand throughput signal is corresponding;
Sending described humidification water demand signal to humidifier, wherein, described humidifier is according to described humidification water Demand signal controls to the described humidification water flow mixing the conveying of wet machine rotating cylinder.
14. methods according to claim 13, it is characterised in that described collecting device be positioned at described in mix wet machine enter sand Mouthful, or mix inside wet machine described in being positioned at, or mix the sand export of wet machine described in being positioned at.
15. methods according to claim 14, it is characterised in that mix entering of wet machine described in being positioned at described collecting device In the case of before sand mouth, described humidification water demand signal was being sent before described humidifier, described side Method also includes:
Wait preset time period, wherein, after described wait preset time period, perform described humidification water demand Amount signal sends the step to described humidifier, and described preset time period is that described sand material is defeated from described collecting device The time needed for wet machine rotating cylinder is mixed described in delivering to.
16. methods according to claim 13, it is characterised in that described humidifier is believed according to described humidification water demand Number control to described mix wet machine rotating cylinder conveying humidification water flow include:
Obtain the pump rotary speed that described humidification water demand signal is corresponding;
Control water pump to work according to described pump rotary speed, be delivered to mix wet machine rotating cylinder by pipeline by humidification water.
17. methods according to claim 13, it is characterised in that mix inside wet machine described in being positioned at described collecting device, Or in the case of mixing the sand export of wet machine described in being positioned at, mix described in the acquisition of described collecting device in the rotating cylinder of wet machine Damp sand throughput or described in mix the throughput of the damp sand that wet machine transfers out, and wet according to mixing described in default The moisture content of the damp sand of machine and the throughput of described damp sand, calculate the passing through of dry sand mixing wet machine described in waiting to enter Amount, generates described dry sand throughput signal.
CN201510267175.3A 2015-05-22 2015-05-22 Sand material humidification system and method Active CN106272977B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510267175.3A CN106272977B (en) 2015-05-22 2015-05-22 Sand material humidification system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510267175.3A CN106272977B (en) 2015-05-22 2015-05-22 Sand material humidification system and method

Publications (2)

Publication Number Publication Date
CN106272977A true CN106272977A (en) 2017-01-04
CN106272977B CN106272977B (en) 2019-04-12

Family

ID=57633000

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510267175.3A Active CN106272977B (en) 2015-05-22 2015-05-22 Sand material humidification system and method

Country Status (1)

Country Link
CN (1) CN106272977B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109399984A (en) * 2018-11-13 2019-03-01 中国铁建重工集团有限公司 The control method and device of water content of sandstone
CN111546501A (en) * 2020-04-29 2020-08-18 德清高盛交通科技有限公司 Method, system and device for adjusting water quantity of winch cage type mortar tank and storage medium
CN113499848A (en) * 2021-06-25 2021-10-15 三一重型装备有限公司 Sand material water content control method, sand material preparation system and electronic equipment
CN114011327A (en) * 2021-09-27 2022-02-08 中联重科股份有限公司 Water supply amount control method for wet mixing machine and sand making system
CN114253304A (en) * 2022-01-11 2022-03-29 三一重型装备有限公司 Control method, device and system for water content of machine-made sand and sand making equipment
CN114714508A (en) * 2022-03-29 2022-07-08 湖南中联重科混凝土机械站类设备有限公司 Wet mixing machine and automatic aggregate cleaning control method thereof
CN114797588A (en) * 2022-03-29 2022-07-29 湖南中联重科混凝土机械站类设备有限公司 Wet mixing machine and automatic aggregate cleaning control method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07171657A (en) * 1993-12-17 1995-07-11 Sintokogio Ltd Method and device for mulling molding sand
CN201342730Y (en) * 2009-03-19 2009-11-11 河南路桥建设集团有限公司 Cement concrete mixing equipment with sand depot provided with humidity sensor
CN202061575U (en) * 2011-08-26 2011-12-07 上海金路创展工程机械有限公司 Moistening machine used for sand-making production line
CN203393037U (en) * 2013-08-08 2014-01-15 中联重科股份有限公司 Machine-made sand production line
CN203620750U (en) * 2013-12-12 2014-06-04 中联重科股份有限公司 Dry-type sand making system
CN203792526U (en) * 2013-06-28 2014-08-27 徐州徐工施维英机械有限公司 Mortar mixing system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07171657A (en) * 1993-12-17 1995-07-11 Sintokogio Ltd Method and device for mulling molding sand
CN201342730Y (en) * 2009-03-19 2009-11-11 河南路桥建设集团有限公司 Cement concrete mixing equipment with sand depot provided with humidity sensor
CN202061575U (en) * 2011-08-26 2011-12-07 上海金路创展工程机械有限公司 Moistening machine used for sand-making production line
CN203792526U (en) * 2013-06-28 2014-08-27 徐州徐工施维英机械有限公司 Mortar mixing system
CN203393037U (en) * 2013-08-08 2014-01-15 中联重科股份有限公司 Machine-made sand production line
CN203620750U (en) * 2013-12-12 2014-06-04 中联重科股份有限公司 Dry-type sand making system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109399984A (en) * 2018-11-13 2019-03-01 中国铁建重工集团有限公司 The control method and device of water content of sandstone
CN111546501A (en) * 2020-04-29 2020-08-18 德清高盛交通科技有限公司 Method, system and device for adjusting water quantity of winch cage type mortar tank and storage medium
CN111546501B (en) * 2020-04-29 2021-09-10 德清高盛交通科技有限公司 Method, system and device for adjusting water quantity of winch cage type mortar tank and storage medium
CN113499848A (en) * 2021-06-25 2021-10-15 三一重型装备有限公司 Sand material water content control method, sand material preparation system and electronic equipment
CN114011327A (en) * 2021-09-27 2022-02-08 中联重科股份有限公司 Water supply amount control method for wet mixing machine and sand making system
CN114253304A (en) * 2022-01-11 2022-03-29 三一重型装备有限公司 Control method, device and system for water content of machine-made sand and sand making equipment
CN114714508A (en) * 2022-03-29 2022-07-08 湖南中联重科混凝土机械站类设备有限公司 Wet mixing machine and automatic aggregate cleaning control method thereof
CN114797588A (en) * 2022-03-29 2022-07-29 湖南中联重科混凝土机械站类设备有限公司 Wet mixing machine and automatic aggregate cleaning control method thereof

Also Published As

Publication number Publication date
CN106272977B (en) 2019-04-12

Similar Documents

Publication Publication Date Title
CN106272977A (en) Sand material humidification system and method
CN102003167B (en) Automatic blending control method of oil field fracturing fluid
CN106567427B (en) Water-supply plant peak period water supply flow regulating and controlling devices and methods therefor
CN109469157A (en) A kind of secondary water supply system energy consumption monitoring platform and monitoring method
CN203096565U (en) Plant mixing type cold recycling mixing unit
CN106012760B (en) A kind of the cold in-plant recycling mixing apparatus and mixing method of asphalt
CN207507293U (en) A kind of slurry stirring device for lithium battery coating apparatus
CN205775721U (en) A kind of emulsion adding set
CN208562383U (en) A kind of anaerobic dry fermentation on-line early warning regulating device
CN204884141U (en) Farmland intelligence irrigation control system based on thing networking
CN205550758U (en) Automatic circulating device of coating liquid
CN102787832A (en) Intelligent profile control infection system
CN101905227A (en) Automatic washing and solution preparing system and method for pipeline system
CN110421405B (en) Oil injection method and device for machine tool component and oil injection system for machine tool component
CN108151207A (en) A kind of hydraulically balanced quickly regulating method of central air-conditioning freezing grid
CN208766508U (en) A kind of mixing pile on-line monitoring instrument
CN204038617U (en) Non-slurry pelletizing machine negative pressure feeding device
CN209518069U (en) A kind of intensive pig production mode is lauched material feed system
CN203389477U (en) Dust treatment device of asphalt stirring equipment
CN207948538U (en) A kind of multi-functional pig feeding equipment of intelligence management and control
CN206574545U (en) The intelligent feeding system of cable extrusion production line
CN203705986U (en) System for regulating and controlling mixing temperature of cold hot water
CN206139154U (en) Additive supplementing equipment of lubricating -oil blending kettle
CN109392802A (en) A kind of mahogany furniture intelligence daily maintenance system and its control method
CN205164549U (en) Continuous type blendor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant