CN103924785B - Multiviscosisty cement premixing mortar green construction method - Google Patents
Multiviscosisty cement premixing mortar green construction method Download PDFInfo
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Abstract
The present invention relates to cement premixing mortar green construction technology and equipment, multiviscosisty cement premixing mortar green construction method is proposed, the equipment that the method adopts has hub unit, unit, terminal station, constant pressure pump spray unit, adopt long-range collecting and distributing control mode, hub unit is by unit, long-distance communication network control and management terminal station, make unit, terminal station automatic preparation go out the required all kinds of mortars of engineering, deliver to construction point by constant pressure pump spray unit and carry out constructing operation, by Quick Response Code identity management system keeps track overall process quality, the waste water of cleaning equipment and waste mortar recycle unit all as preparation mortar through waste water.
Description
Technical field
The present invention relates to premixing mortar green construction technology and equipment.
Background technology
National Department of Commerce, the Ministry of Public Security, the Ministry of Construction, State Administration of Quality Supervision, Inspection and Quarantine, Environmental Protection Administration in 2007 have issued " about the notice of forbidding Site mortar working at urban time limit " business and have sent elsewhere [2007] No. 205), the city of Site mortar is forbidden in Guangzhou as first time limit, promoted the use of premixing mortar since 2008, but effect is unsatisfactory. Main cause is that two kinds of premixing mortars that use at present all exist defect: wet mixing mortar is retrained by Use Limitation, and dry-mixed mortar occurs segregation and airborne dust in delivery process; Both are the substitute of traditional mortar, and form of construction work does not change.
Summary of the invention
The object of this invention is to provide multiviscosisty cement premixing mortar green construction method, adopt long-range collecting and distributing control mode, by long-distance communication network, control and management is carried out in terminal station by central station, make terminal station automatic preparation go out the required all kinds of mortars of engineering, deliver to each layer of construction of building site building with pump spray machine and put the operation of directly whitewashing, thoroughly solve the quality problems such as dry powder and mortar accumulating segregation, the out-of-date inefficacy of wet mortar; Constructability quality surveillance simultaneously and tracking, waste water and useless slurry fully recovering, realize premixing mortar green construction.
Object of the present invention is achieved through the following technical solutions:
Multiviscosisty cement premixing mortar green construction method, for the production of multiviscosisty cement premixing mortar, use and manage, multiviscosisty cement premixing mortar is to be suitable for the floating or construction material using of laying bricks of building wall by multiviscosisty cement, aggregate, water through what mix together, wherein multiviscosisty cement can directly be provided by factory, also can be obtained by mixing by general cement+thickening agent used in everyday, aggregate is mainly sand.
The present invention's equipment used comprises hub unit, unit, terminal station, constant pressure pump spray unit, adopt long-range collecting and distributing control mode, supplied multiviscosisty cement and prefabricated gathering materials to unit, terminal station by hub unit unification, hub unit is by unit, long-distance communication network control and management terminal station, make unit, terminal station automatic preparation go out the required all kinds of mortars of engineering, deliver to construction point by constant pressure pump spray unit and carry out constructing operation, by Quick Response Code identity management system keeps track overall process quality, the waste water of cleaning equipment and waste mortar recycle unit all as preparation mortar through waste water.
(1) hub unit
This element is the centre management mechanism of whole system, is in charge of all terminal station operations in system; This unit is arranged in premixing mortar factory, comprises center-control dispatching patcher, test piece maintenance chamber and laboratory.
Center-control dispatching patcher has configured Quick Response Code identity management system, ERP management system and communication management system, by 3G+internet network real-time monitoring and each unit, terminal station of management; Every lot number mortar specimen Quick Response Code mark and construction part data thereof that unit, Quick Response Code identity management system receiving terminal station is sent here, the mark test specimen of sending here in conjunction with laboratory detects data, and file management and data analysis generate construction quality report automatically; Test piece maintenance chamber possesses national standard curing condition, for the mortar product test specimen that continues to send here unit, maintenance terminal station; Laboratory is equipped with a complete set of determination and analysis instrument, for checking the quality that arrives curing age test specimen.
(2) unit, terminal station
This element is the device of manufacturing premixing mortar, is arranged on nearly construction ground, and capital equipment comprises terminal station control system, mixer, cement bank, sand storage, exciting agent storehouse, waste water recycling unit and test specimen tag system.
Mixer lower end is provided with unloads slurry valve;
Cement bank is provided with level-sensing device, deduster, attached wall vibrations device and cement batcher, cement-weighting bucket and cement discharge valve; Cement in cement bank enters mixer by cement batcher, cement-weighting bucket and cement discharge valve;
Sand storage is provided with hygrometer, the attached wall vibrations device of sand storage and Sand feeder, sand metering is carried bucket and joins sand and carry bucket hauling machine; Sand in sand storage enters sand metering by Sand feeder and carries bucket, carries bucket hauling machine and brings mixer into by joining sand;
Exciting agent storehouse is provided with level-sensing device, exciting agent charger, exciting agent weighing hopper, discharge valve; The exciting agent in exciting agent storehouse is sent into mixer by exciting agent charger, exciting agent weighing hopper and discharge valve.
Waste water recycling unit is provided with wastewater disposal basin, sand filter, clarifier, stock pump, spray head, flowmeter, nephelometer and antiquated sand metering batcher; Sand filter is placed in wastewater disposal basin, and it is by the sand separation output entering in the waste water of wastewater disposal basin, and antiquated sand measures batcher by antiquated sand and sends into mixer; Purify organ pipe and be connected to wastewater disposal basin, wastewater sedimentation is isolated clear water and slurry by clarifier, and the slurry in clarifier is sent into mixer along slurry pipe by flowmeter and nephelometer by stock pump; Clear water in clarifier is sprayed onto on sand filter and is returned in wastewater disposal basin by return pipe, tubing pump and spray head, and clarifier is provided with automatic water-replenishing device.
Terminal station control system is management and the control centre of unit, terminal station, it comprises having the middle control module of input, output interface, the 3G communication module that responsible and central station is got in touch with, the Quick Response Code identification module of responsible follow-up of product quality, and it contacts by 3G network and central station center-control dispatching patcher; The LOAD CELLS of the input interface of middle control module and cement bank level-sensing device, cement-weighting bucket, exciting agent storehouse level-sensing device, exciting agent weighing hopper LOAD CELLS, sand metering are carried bucket LOAD CELLS, flowmeter, nephelometer, hygrometer and are electrically connected; The output interface of middle control module and mixer and unload slurry valve, deduster, attached wall vibrations device, cement batcher, cement discharge valve, exciting agent batcher, exciting agent discharge valve, Sand feeder, join sand and carry the stock pump of bucket hauling machine, the attached wall vibrations device of sand storage, antiquated sand metering batcher, waste water recycling unit and electrically connect.
The test specimen tag system of unit, terminal station is the facility of mortar follow-up of product quality, comprises that test specimen making apparatus, standard curing box, Quick Response Code read in device;
Test specimen tag system is electrically connected to terminal station control system, test specimen tag system reads in and sends to terminal station control system by the Quick Response Code mark of every lot number mortar, terminal station control system sends to the data such as Quick Response Code mark and construction part the center-control dispatching patcher of central station, artificial sampling is simultaneously transported to hub unit after making test specimen and pasting respective two-dimensional code mark and carries out maintenance and detection, and detection data are sent into center-control dispatching patcher and processed.
The operation principle in terminal station:
When user needs mortar, pass through terminal station control system to the instruction of central station center-control dispatching patcher request production task by terminal station operator, terminal station control system recalls the internal memory various raw material dosages of given each work period of formula according to the instruction of replying, start cement batcher cement in cement bank is added to cement-weighting bucket, start the antiquated sand that waste water recycles unit output by antiquated sand metering batcher simultaneously and add sand metering to carry bucket; The current signal of corresponding cement weight is passed to terminal station control system judgement by cement-weighting bucket LOAD CELLS, reaches predetermined weight 50～90% and stop feeding in raw material; In like manner, sand metering is carried bucket sensor the current signal of corresponding antiquated sand weight is passed to terminal station control system judgement, reaches predetermined weight and stops feeding in raw material, and starts sand batcher simultaneously and carrying bucket to sand metering and be fed to predetermined value; Then, terminal station control system being carried bucket to sand metering and carrying out static check weighing, according to the specified rate of cement and slurry in the actual gross weight adjustment formula of carrying in bucket; Start and join sand and carry bucket hauling machine and sand metering is carried to bucket be promoted to mixer charge door, touch elevator bucket Dump gate, sand is discharged in mixer automatically, join sand carry bucket hauling machine and start after 1 second startup mixer of time delay.
Terminal station control system is according to the specified rate after adjusting, the stock pump that starts waste water recycling unit efficient purifier is sent to mixer by slurry along slurry pipe, and take into account nephelometer by flow and analyze cement and the clear water content in slurry flow, in the time that slurry conversion clear water content reaches set-point, close down stock pump, calculate exciting agent specified rate (exciting agent is the active material containing CaO, for example Ca(OH) according to cement content in slurry2The effect of exciting agent is to make slurry reach the effect being close with cement), starting exciting agent batcher is dosed to set-point and puts into mixer by discharge valve to exciting agent weighing hopper, restart cement batcher to the feed supplement of cement-weighting bucket simultaneously, reach specified rate after adjustment and stop feeding in raw material and start cement discharge valve cement is put into mixer.
Cement, antiquated sand, sand, slurry and exciting agent are stirred to formula setting-up time in mixer, and terminal station control system is opened and unloaded slurry valve, and slurry sand is put into transport vehicle. So complete a period ot batching.
Terminal station control system is sent to all working data of mortar process for preparation the central control system of central station by 3G communication module;
From every lot number mortar product, sample drawn is made test specimen, stick Quick Response Code mark, read and mail to central station by terminal station control system, test specimen is put into standard curing box, regularly concentrate to be transported to central station test piece maintenance chamber and to proceed maintenance, arrive Hou Song laboratory inspection in the length of time.
(3) constant pressure pump spray unit
This element is the device for pumping mortar and shotcrete construction, and its structure comprises constant-voltage controller, slurry collecting funnel, mortar pump spray machine, defeated slurry steel pipe, constant voltage distributor, defeated slurry flexible pipe, air compressor, tracheae, spray gun; Slurry collecting funnel connects with mortar pump spray machine and being placed on a construction point ground floor, defeated slurry steel pipe is connected to mortar pump spray machine in the constant voltage distributor that is arranged on construction floor, constant voltage dispenser bottom is provided with 1 above band valve efferent duct, spray gun is connected to band valve efferent duct by defeated slurry flexible pipe, air compressor connects spray gun by tracheae, and slurry control valve and air volume regulating valve are housed on spray gun; Pressure sensor is installed on constant voltage distributor internal upper part and is electrically connected to constant-voltage controller by holding wire.
Its operation principle:
The mortar that unit, terminal station is made is by transport vehicle or directly deliver to slurry collecting funnel, is pressurizeed by mortar pump spray machine, and in defeated slurry steel pipe is sent into the constant voltage distributor that is arranged on construction floor, the defeated slurry flexible pipe of transferring is sent into spray gun; The compressed air of air compressor output, sends into spray gun by tracheae and makes mortar form the upper wall of jet sprinkling, and the slurry control valve on spray gun and air volume regulating valve can start and stop be whitewashed and regulate jet shape and flow; The pressure sensor being contained in constant voltage distributor sends pressure signal to constant-voltage controller, makes it the pulp pressure of variable frequency adjustment mortar pump spray machine, keeps constant voltage distributor internal pressure stable; In addition, constant-voltage controller is also controlled the interrupter duty during constant voltage of mortar pump spray machine, makes mortar in pipeline keep wriggling to overcome the thixotropy resistance of machine spray molding sand slurry.
The present invention has following outstanding substantive distinguishing features and marked improvement:
1, the present invention realizes slurrying, pumping, spraying application and management integration arrangement and method for construction, reduces workmen and labour intensity, raising construction quality and efficiency of construction, reduces engineering cost;
2, unit, terminal station adopt innovation the accurate ingredients technical of servo-actuated control, effective guarantee raw material proportioning accuracy;
3, central station is realized each unit, terminal station real-time management by long-range Distributed Control System, optimizes allocation of resources and production scheduling, reaches comprehensive benefit and maximizes;
4, adopt constant voltage distributor and intelligent frequency modulation control hydraulic pump spray machine combined technology, overcome pump spray molding sand and starch the interruption characteristic of static resistance and the hydraulic pump spray machine output mortar of intrinsic thixotropy generation, realized the continuous pulp of spray gun, a machine multiple gun, the spray of elevation pump and automatically regulated the usefulness such as pump spray machine power output with construction height;
5, adopt preparation, construction and the inspection overall process of Quick Response Code follow-up of quality management system management premixing mortar; Effective guarantee mortar achievements in construction quality;
6, waste water reuse system has adopted the efficient purifier of innovation and useless slurry to excite regeneration techniques; With the alternative traditional sedimentation basin of efficient purifier, accelerate useless slurry segregation speed, save floor occupying area.
Brief description of the drawings
Fig. 1 is hub unit structural representation of the present invention.
Fig. 2 is terminal station of the present invention cellular construction schematic diagram.
Fig. 3 is constant pressure pump spray cellular construction schematic diagram of the present invention.
Detailed description of the invention
Be described further with specific embodiment singing in antiphonal style the present invention below:
With reference to figure 1 Fig. 2 and Fig. 3, multiviscosisty cement premixing mortar green construction method, equipment comprises hub unit 1, unit, terminal station 2, constant pressure pump spray unit 3; The present invention adopts long-range collecting and distributing control mode, supply multiviscosisty cement and prefabricated gathering materials to unit, terminal station 2 by hub unit 1 is unified, hub unit 1 is by unit, long-distance communication network control and management terminal station 2, make unit, terminal station 2 automatic preparations go out the required all kinds of mortars of engineering, be pumped into construction point by constant pressure pump spray unit 3 and whitewash and plaster and build the operations such as pasting by laying bricks or stones; This system is by the quality of the preparation of Quick Response Code identity management system keeps track mortar and construction overall process, and the waste water of cleaning equipment and waste mortar are made preparation mortar through waste water recycling unit 4 fully recoverings.
The configuration rule of multiviscosisty cement premixing mortar green construction method is: a hub unit can be managed unit, multiple terminal station, waste water recycling unit of a terminal station cell location, the mortar that unit, a terminal station produces can be supplied multiple constant pressure pump sprays unit and use.
One, hub unit
This unit is arranged in premixing mortar factory, comprises center-control dispatching patcher 11, test piece maintenance chamber 12, laboratory 13. The center-control dispatching patcher 11 of this example is used a set of multi-functional HP work station, has configured Quick Response Code identity management system, ERP management system and communication management system, by 3G+internet network real-time monitoring and unit, station, office terminal 2; Every lot number mortar specimen Quick Response Code mark and construction part data thereof that unit, Quick Response Code identity management system receiving terminal station 2 is sent here, the mark test specimen of sending here in conjunction with laboratory 13 detects data, file and manage and data analysis, automatically generate construction quality report. Test piece maintenance chamber 12 possesses national standard curing condition, for the mortar product test specimen that continues to send here unit, maintenance terminal station. Laboratory 13 is equipped with a complete set of determination and analysis instrument, for checking the quality that arrives curing age test specimen.
Two, unit, terminal station
This element is the device of manufacturing premixing mortar, is arranged on nearly construction ground, and capital equipment comprises terminal station control system 20, mixer 26, cement bank 21, sand storage 22, exciting agent storehouse 24 and waste water recycling unit 4 and test specimen tag system 5.
Mixer 26 tops are provided with exhaust column 263 and lower end and are provided with and unload slurry valve 262;
Cement bank 21 is provided with level-sensing device 212, deduster 213, attached wall vibrations device 214 and cement batcher 215, cement-weighting bucket 216 and cement discharge valve 217; Cement in cement bank 21 enters mixer 26 by cement batcher 215, cement-weighting bucket 216 and cement discharge valve 217.
Sand storage 22 is provided with hygrometer 223, the attached wall vibrations device 224 of sand storage and Sand feeder 225, sand metering is carried bucket 226 and joins sand and carry bucket hauling machine 227; Sand in sand storage 22 enters sand metering by Sand feeder 225 and carries bucket 226, carries bucket hauling machine 227 and brings mixer 26 into by joining sand.
Exciting agent storehouse 24 is provided with level-sensing device 245, exciting agent charger 242, exciting agent weighing hopper 243, discharge valve 244; The exciting agent in exciting agent storehouse 24 is sent into mixer 26 by exciting agent charger 242, exciting agent weighing hopper 243 and discharge valve 244.
Waste water recycling unit 4 is provided with wastewater disposal basin 41, sand filter 42, clarifier 43, stock pump 44, spray head 45, flowmeter 231, nephelometer 232 and antiquated sand metering batcher 25; Sand filter 42 is placed in wastewater disposal basin 41, and it is by the sand separation output entering in the waste water of wastewater disposal basin 41, and antiquated sand measures batcher 25 by antiquated sand and sends into mixer 26; Clarifier 43 pipes are connected to wastewater disposal basin 41, wastewater sedimentation is isolated clear water and slurry by clarifier 43, slurry is sent into mixer 26 along slurry pipe 23 by flowmeter 231 and nephelometer 232 by stock pump 44, clear water is sprayed onto on sand filter 42 and is returned in wastewater disposal basin 41 by return pipe, tubing pump 437 and spray head 45, and clarifier 43 is provided with automatic water-replenishing device 46.
Terminal station control system 20 comprises having the middle control module of input, output interface, the 3G communication module that responsible and central station is got in touch with, the Quick Response Code identification module of responsible follow-up of product quality, it contacts by 3G network and central station center-control dispatching patcher 11, and the LOAD CELLS of the LOAD CELLS of the input interface of middle control module and cement bank level-sensing device 212, cement-weighting bucket 216, exciting agent storehouse level-sensing device 245, exciting agent weighing hopper 243, LOAD CELLS, flowmeter 231, nephelometer 232, the hygrometer 223 that bucket 226 is carried in sand metering electrically connect; Output interface and mixer 26 and unload slurry valve 262, deduster 213, attached wall vibrations device 214, cement batcher 215, cement discharge valve 217, exciting agent batcher 242, exciting agent discharge valve 244, Sand feeder 225, join sand and carry the stock pump 44 of bucket hauling machine 227, the attached wall vibrations device 224 of sand storage, antiquated sand metering batcher 25, waste water recycling unit 4 and electrically connect.
Internal memory formula is chosen in the instruction that terminal station control system 20 is sent according to the center-control dispatching patcher 11 of central station, cement, sand, antiquated sand, slurry and exciting agent are stirred into mortar by mixer 26, and the mortar of each preparation is all directly discharged to constant pressure pump spray unit 3 or is discharged to motar carrier vehicle 39 and transport to constant pressure pump spray unit 3 again through unloading slurry valve 262.
The part of test specimen tag system 5 comprises that test specimen making apparatus, standard curing box, Quick Response Code read in device.
When user needs mortar, ask production task instruction by terminal station control system 20 to central station 1 center-control dispatching patcher 11 by terminal station operator, terminal station control system 20 recalls the internal memory various raw material dosages of given each work period of formula according to the instruction of replying.
Control program is as follows:
Start cement batcher 215 interior cement bank 21 cement is added to cement-weighting bucket 216, cement-weighting bucket 216 LOAD CELLSs are passed to terminal station control system 20 by the current signal of corresponding cement weight and are judged, reach predetermined weight 90% and stop feeding in raw material.
The antiquated sand that waste water is recycled unit 4 outputs by startup antiquated sand batcher 25 adds sand metering to carry bucket 226; Sand metering is carried bucket 226 sensors and the current signal of corresponding sand weight is passed to terminal station control system 20 is judged, reaches predetermined weight and stops feeding in raw material.
Startup sand batcher 225 is carried bucket 226 to sand metering and is fed to predetermined value; Terminal station control system 20 is carried bucket 33 to sand metering and is carried out static check weighing, according to the specified rate of cement and slurry in the actual total recanalization formula of sand of carrying in bucket; Start and join sand and carry bucket hauling machine 227 and sand metering is carried to bucket 226 be promoted to mixer 26 charge doors, touch elevator bucket Dump gate, sand is discharged in mixer automatically, joins sand and carries and after bucket hauling machine 227 starts 1 second, start mixer 26 and work.
Terminal station control system 20 is according to the specified rate after adjusting, the stock pump 44 that starts efficient purifier recycles by waste water the slurry that unit 4 produces and is sent to mixer 26 along slurry pipe 23, and analyze cement and the clear water content in slurry flow by flowmeter 231 and nephelometer 232, in the time that slurry conversion clear water content reaches set-point, close down mashing pump, calculate exciting agent specified rate (exciting agent of the present embodiment is Ca(OH) according to cement content in slurry flow2）。
Starting exciting agent batcher 242 is dosed to set-point and puts into mixer 26 by discharge valve 244 to exciting agent weighing hopper 243.
Finally restart cement batcher 215 and supplement and add cement, make to reach specified rate and stop feeding in raw material and start cement discharge valve 217 cement is put into mixer 26.
Cement, antiquated sand, sand, slurry and exciting agent are stirred to formula setting-up time in mixer 26, and terminal station control system 20 is opened and unloaded slurry valve 262, and slurry mortar is put into transport vehicle. So complete a period ot batching.
Terminal station control system 20, by all working data of mortar process for preparation, is sent to central station by 3G communication module;
From every lot number mortar product, sample drawn is made test specimen, stick Quick Response Code mark, read and mail to central station by terminal station control system 20, test specimen is put into standard curing box, regularly concentrate and be sent to central station test piece maintenance chamber 12 and continue maintenance, arrive length of time Hou Song laboratory and 13 test.
Terminal station monotechnics index:
1, production capacity: 30M3/h；
2, environmental protection index: meet and build [2007] No. 223 " Green Construction Guidelines " related requests of matter;
3, terminal station operator: 1 people;
4, raw material reserves in unit, terminal station:
1), special glue gel material multiviscosisty cement) 45 tons;
2), sand: the 70M that gathers materials3；
5, installed power: 34KW.
Three, constant pressure pump spray unit
Constant pressure pump spray unit 3 comprises constant-voltage controller 30, slurry collecting funnel 31, mortar pump spray machine 32, defeated slurry steel pipe 33, constant voltage distributor 34, pressure sensor 341, holding wire 342, defeated slurry flexible pipe 35, air compressor 36, tracheae 37, spray gun 38.
Slurry collecting funnel 31 connects and is placed on a construction ground floor with mortar pump spray machine 32, defeated slurry steel pipe 33 sprays machine 32 by mortar pump and is connected to the constant voltage distributor 34 that is arranged on construction floor, constant voltage distributor 34 bottoms are provided with 3 band valve efferent ducts 343, spray gun 38 is connected to band valve efferent duct 343 by defeated slurry flexible pipe 35, air compressor 36 connects spray gun 38 by tracheae 37, and slurry control valve and air volume regulating valve are housed on spray gun; Pressure sensor 341 is installed on constant voltage distributor 34 internal upper parts and is electrically connected to constant-voltage controller 30 by holding wire 342;
Constant voltage distributor 34 is the hemispheric cylindrical seal cylinder of steel of upper and lower end, in sealing cylinder of steel, Lower Half is equipped with a pulp-inlet pipe 345, the upper port of pulp-inlet pipe 345 is positioned at sealing cylinder of steel medium position, the lower end of pulp-inlet pipe 345 passes cylinder of steel and connects inlet valve 344, inlet valve 344 is connected to the end port of defeated slurry steel pipe 33, inlet valve 344 sides be equipped with 3 with the band valve efferent duct 343 of sealing cylinder of steel internal communication, each band valve efferent duct 343 configures ready-packaged joint, and left-hand thread sealing access door 347 and pressure sensor 341 are equipped with in the upper end of sealing cylinder of steel; Pressure sensor 341 is connected to constant-voltage controller 30 through holding wire 342.
When work, the mortar that unit, terminal station 2 is made is transported to the slurry collecting funnel 31 of this unit by motar carrier vehicle 39, is pressurizeed by mortar pump spray machine 32, and in defeated slurry steel pipe 33 enters the constant voltage distributor 34 that is arranged on construction floor, the defeated slurry flexible pipe 35 of transferring is sent into spray gun 38; The compressed air that air compressor 36 is exported is sent into spray gun 38 by tracheae 37, makes mortar form jet and sprays upper wall, and the slurry control valve on spray gun 38 and air volume regulating valve can start and stop be whitewashed and regulate jet shape and flow; The pressure sensor 341 being contained in constant voltage distributor 34 sends pressure signal to constant-voltage controller 30, makes it the pulp pressure of variable frequency adjustment mortar pump spray machine 32, keeps constant voltage distributor 34 internal pressures stable; In addition, constant-voltage controller 30 is also controlled the interrupter duty during constant voltage of mortar pump spray machine 32, makes the mortar in defeated slurry steel pipe 33 keep wriggling to overcome the thixotropy resistance of machine spray molding sand slurry.
The technical indicator of constant pressure pump spray unit:
1, mortar pump spray machine
(1) maximum output pressure: 6MP;
(2) maximum output flow: 6M3/h；
(3) working method: hydraulic piston type;
(4) control mode: frequency control;
2, constant voltage distributor
(1) I/O interface: enters three goes out;
(2) volume: 36 liters.
Four, further illustrating of waste water recycling unit
Wastewater disposal basin 41 use Plate Weldings form, outer surface anticorrosion with painting paint, inner surface sticking glass steel anticorrosive coat;
Sand filter 42 is for driving the formula conveying worm of lying in top, inside and outside wall anticorrosion with painting paint, and angle mount is in wastewater disposal basin bottom, seam perfusion fluid sealant, the driving power supply line station control system 20 that accesses terminal.
Clarifier 43 use glass-reinforced plastic materials are made garden tank, and top is equipped with and is added a cover service hatch 431 and the pulp mouth of pipe 436, and tank skin upside is equipped with water inlet pipe 432, and its inner port is inserted to nearly bottom in tank, and outlet pipe 435 is at another upside of tank skin; Stock pump 44 is immersible pump, is arranged on clarifier inner bottom part, and the grout outlet that is connected in stock pump 44 is connected in slurry pipe 23 from the pulp mouth of pipe 436 is drawn; Automatic water-replenishing device 46 with float valve is housed in clarifier 43, and the driving power supply line of stock pump 44 is drawn and is connected to terminal station control system 20 from the pulp mouth of pipe 436.
Operation principle:
Clean waste water and the waste mortar of mixer and transport vehicle and pour wastewater disposal basin 41 into, under Action of Gravity Field, sand is precipitating first, is taken out of by sand filter 42, after sand filter 42 upper end sprays clean, sends into terminal station antiquated sand metering batcher 25 and uses as mortar raw material; Pulp-water in wastewater disposal basin 41 flows out to be processed through clarifier 43, separates out the spray head 45 that clear water is sent to sand filter 42 tops through return pipe and tubing pump and sprays washed-out sand, and slurry is extracted out by stock pump 44, for unit, terminal station preparation mortar; Water loss injects clear water by automatic water-replenishing device 46 and supplements, and keeps the water level of whole clarifier 43 constant with float valve control inflow.
Waste water recycling monotechnics index:
1, useless stock tank volume: 20M3；
2, efficient purifier volume: 2M3；
3, stock pump power: 1.1KW;
4, sand filter power: 4KW.
Claims (7)
1. multiviscosisty cement premixing mortar green construction method, equipment comprises hub unit (1), unit, terminal station (2), constant pressure pump spray unit (3), it is characterized in that: adopt long-range collecting and distributing control mode, hub unit (1) is arranged in premixing mortar factory, comprise center-control dispatching patcher (11), test piece maintenance chamber (12), laboratory (13), center-control dispatching patcher (11) has configured ERP management system and communication management system, hub unit (1) is by 3G+internet network real-time monitoring and each unit, terminal station (2) of management, make unit, terminal station (2) automatic preparation go out the required all kinds of mortars of engineering, deliver to construction point by constant pressure pump spray unit (3) and carry out constructing operation, the waste water of cleaning equipment and waste mortar after being located at the waste water recycling unit (4) of unit, terminal station (2) and processing all as preparing mortar.
2. multiviscosisty cement premixing mortar green construction method according to claim 1, is characterized in that:
Unit, terminal station (2) is arranged on nearly construction ground, and capital equipment comprises terminal station control system (20), mixer (26), cement bank (21), sand storage (22), exciting agent storehouse (24) and waste water recycling unit (4);
Mixer (26) lower end is provided with unloads slurry valve (262);
Cement bank (21) is provided with level-sensing device (212), deduster (213), attached wall vibrations device (214) and cement batcher (215), cement-weighting bucket (216) and cement discharge valve (217); Cement in cement bank (21) enters mixer (26) by cement batcher (215), cement-weighting bucket (216) and cement discharge valve (217);
Sand storage (22) is provided with hygrometer (223), the attached wall vibrations device of sand storage (224) and Sand feeder (225), sand metering is carried bucket (226) and joins sand and carry bucket hauling machine (227); Sand in sand storage (22) enters sand metering by Sand feeder (225) and carries bucket (226), carries the hauling machine (227) that struggles against and brings mixer (26) into by joining sand;
Exciting agent storehouse (24) is provided with level-sensing device (245), exciting agent charger (242), exciting agent weighing hopper (243), discharge valve (244); The exciting agent in exciting agent storehouse (24) is sent into mixer (26) by exciting agent charger (242), exciting agent weighing hopper (243) and discharge valve (244);
Waste water recycling unit (4) is provided with wastewater disposal basin (41), sand filter (42), clarifier (43), stock pump (44), spray head (45), flowmeter (231), nephelometer (232) and antiquated sand metering batcher (25); Sand filter (42) is placed in wastewater disposal basin (41), and it will enter the sand separation output in the waste water of wastewater disposal basin (41), and antiquated sand measures batcher (25) by antiquated sand and sends into mixer (26); Clarifier (43) pipe is connected to wastewater disposal basin (41), and wastewater sedimentation is isolated clear water and slurry by clarifier (43), and slurry is sent into mixer (26) along slurry pipe (23) by flowmeter (231) and nephelometer (232) by stock pump (44); Clear water is sprayed onto on sand filter (42) and is returned in wastewater disposal basin (41) by return pipe, tubing pump (437) and spray head (45), and clarifier (43) is provided with automatic water-replenishing device (46);
Terminal station control system (20) comprises having input, the middle control module of output interface, be responsible for the 3G communication module with central station contact, be responsible for the Quick Response Code identification module of follow-up of product quality, it is by 3G network and central station center-control dispatching patcher (11) contact, the input interface of middle control module and cement bank level-sensing device (212), the LOAD CELLS of cement-weighting bucket (216), exciting agent storehouse level-sensing device (245), the LOAD CELLS of exciting agent weighing hopper (243), the LOAD CELLS of bucket (226) is carried in sand metering, flowmeter (231), nephelometer (232), hygrometer (223) electrically connects, output interface and mixer (26) and unload slurry valve (262), deduster (213), attached wall vibrations device (214), cement batcher (215), cement discharge valve (217), exciting agent batcher (242), exciting agent discharge valve (244), Sand feeder (225), join sand and carry the stock pump (44) of bucket hauling machine (227), the attached wall vibrations device of sand storage (224), antiquated sand metering batcher (25), waste water recycling unit (4) and electrically connect,
Internal memory formula is chosen in the instruction that terminal station control system (20) is sent according to the center-control dispatching patcher (11) of central station, cement, sand, antiquated sand, slurry and exciting agent are stirred into mortar by mixer (26), and the mortar of each preparation is all directly discharged to constant pressure pump spray unit (3) or is discharged to motar carrier vehicle (39) and transport to constant pressure pump spray unit (3) again through unloading slurry valve (262).
3. multiviscosisty cement premixing mortar green construction method according to claim 2, is characterized in that: center-control dispatching patcher (11) has configured Quick Response Code identity management system; Unit, terminal station (2) also includes test specimen tag system (5): it comprises that test specimen making apparatus, standard curing box, Quick Response Code read in device, and test specimen tag system (5) is electrically connected to terminal station control system (20);
Test specimen tag system (5) reads in device by Quick Response Code terminal station control system (20) is read in and sent to the Quick Response Code mark of every lot number mortar, terminal station control system (20) sends to Quick Response Code mark and construction part data the center-control dispatching patcher (11) of hub unit (1), sampling is simultaneously transported to hub unit (1) after making test specimen and pasting respective two-dimensional code mark and carries out maintenance and detection, and detection data are sent into center-control dispatching patcher (11) and processed.
4. multiviscosisty cement premixing mortar green construction method according to claim 2, is characterized in that:
The clarifier (43) of waste water recycling unit (4) is simple and efficient clarifier, this device is upper, the cylindrical glass cylinder of steel of lower end spherical crown shape, access door (431) is equipped with in upper end, the discharging mouth of pipe (436) and the automatic water-replenishing device with ball valve (46), stock pump (44) is arranged on glass fiber reinforced plastic tank inner bottom part, one end of grout outlet (439) is connected to stock pump (44) through the discharging mouth of pipe (436), the other end of grout outlet is connected to slurry pipe (23), electric wire is connected to terminal station control system (20) through the discharging mouth of pipe (436) by stock pump (44), the upper end side of glass fiber reinforced plastic tank is equipped with respectively water inlet pipe (432) and outlet pipe (435), water inlet pipe (432) inner connecting tube causes middle and lower part in glass fiber reinforced plastic tank, outlet pipe (435) inner port is positioned at glass fiber reinforced plastic tank internal upper part, external port connects return pipe.
5. multiviscosisty cement premixing mortar green construction method according to claim 2, is characterized in that:
The mortar preparation of unit, terminal station (2) adopts thin control amount to ensure distributing precision with the control metering method of using force, and all operations were has been controlled by terminal station control system (20), and concrete steps are as follows:
5.1) first in mixer (26), add cement accentuation by cement batcher (215), cement-weighting bucket (216) and cement discharge valve (217), cement accentuation is 50～90% of this cement addition;
5.2) starting antiquated sand metering batcher (25) carries bucket (226) to sand metering and adds formula ratio antiquated sand the actual feeding quantity of static measurement;
5.3) start Sand feeder (225) and add formula ratio sand the actual feeding quantity of static measurement, terminal station control system (20) is measured mean value according to antiquated sand moisture content empirical value and hygrometer (223) simultaneously, calculate actual sand total amount and the actual amount of water of adding of step 5.2 and this total, according to match ratio requirement, set water specified rate and cement specified rate again;
5.4) start the slurry that stock pump (44) adds waste water to reclaim to mixer (26), add the water yield and accumulative total cement amount by the kinetic measurement value accumulative total of flowmeter (231) and nephelometer (232) simultaneously, make accumulative total amount of water reach the water specified rate of 5.3 steps;
5.5) calculate exciting agent addition and add exciting agent to make to reach exciting agent addition by exciting agent charger (242), exciting agent weighing hopper (243) and discharge valve (244) to mixer (26) with regard to the accumulative total cement amount of 5.4 steps;
5.6) make this cement add total amount to reach the definite cement specified rate of 5.3 steps by cement batcher (215), cement-weighting bucket (216) and cement discharge valve (217) to mixer (26) fine tuning cement additional amount again by the cement accentuation of the accumulative total cement amount of 5.4 steps and 5.1 steps, complete a period ot batching.
6. according to the multiviscosisty cement premixing mortar green construction method described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that:
Constant pressure pump spray unit (3) comprises constant-voltage controller (30), slurry collecting funnel (31), mortar pump spray machine (32), defeated slurry steel pipe (33), constant voltage distributor (34), pressure sensor (341), holding wire (342), defeated slurry flexible pipe (35), air compressor (36), tracheae (37), spray gun (38); Slurry collecting funnel (31) is connected and is placed on a ground floor of constructing with mortar pump spray machine (32), defeated slurry steel pipe (33) sprays machine (32) by mortar pump and is connected to the constant voltage distributor (34) that is arranged on construction floor, constant voltage distributor (34) bottom is provided with 1 above band valve efferent duct (343), spray gun (38) is connected to band valve efferent duct (343) by defeated slurry flexible pipe (35), air compressor (36) connects spray gun (38) by tracheae (37), and slurry control valve and air volume regulating valve are housed on spray gun; Pressure sensor (341) is installed on constant voltage distributor (34) internal upper part and is electrically connected to constant-voltage controller (30) by holding wire (342).
7. multiviscosisty cement premixing mortar green construction method according to claim 6, is characterized in that:
Constant voltage distributor (34) in constant pressure pump spray unit (3) is upper, the hemispheric cylindrical seal cylinder of steel in lower end, in sealing cylinder of steel, Lower Half is equipped with a pulp-inlet pipe (345), the upper port of pulp-inlet pipe (345) is positioned at sealing cylinder of steel medium position, the lower end of pulp-inlet pipe (345) passes cylinder of steel and connects inlet valve (344), inlet valve (344) is connected to the end port of defeated slurry steel pipe (33), inlet valve (344) side be equipped with 3～4 with the band valve efferent duct (343) of sealing cylinder of steel internal communication, each band valve efferent duct (343) configuration ready-packaged joint, left-hand thread sealing access door (347) and pressure sensor (341) are equipped with in the upper end of sealing cylinder of steel, pressure sensor (341) is connected to constant-voltage controller (30) through holding wire (342).
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| CN104631830B (en) * | 2015-01-14 | 2017-01-18 | 武汉东方建设集团有限公司 | Method for pumping high-sand-rate premixed mortar in gravity self-pressure separation prevention mode |
| CN106113273A (en) * | 2016-07-17 | 2016-11-16 | 临汾市华基新型建材有限公司 | Zero-emission, the concrete manufacturing process of no pollution |
| CN107216087A (en) * | 2017-07-12 | 2017-09-29 | 张启志 | A kind of construction premixing mortar green construction method |
| CN110825001B (en) * | 2019-11-30 | 2021-12-10 | 河南潜合自动化科技有限公司 | Dry-mixed mortar control system |
| CN112454670B (en) * | 2020-12-07 | 2022-02-08 | 中国建筑第五工程局有限公司 | Automatic control system for mortar production line |
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