CN214725338U - A automated processing system for concrete waste slurry configuration - Google Patents
A automated processing system for concrete waste slurry configuration Download PDFInfo
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- CN214725338U CN214725338U CN202120467023.9U CN202120467023U CN214725338U CN 214725338 U CN214725338 U CN 214725338U CN 202120467023 U CN202120467023 U CN 202120467023U CN 214725338 U CN214725338 U CN 214725338U
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Abstract
The application relates to an automatic treatment system for concrete waste slurry configuration, which comprises a spraying device for vehicle washing, a stirring tank, a slurry pump, a sand classifier and a reservoir, wherein a stirrer is placed in the stirring tank; cistern intercommunication spray set, the liquid level detection circuit is coupled with to the agitator, and the agitator is coupled in the slush pump, and the grit grader establishes ties in the power supply circuit of slush pump, and the liquid level detection circuit includes: the stirring tank liquid level detection module, the reservoir liquid level detection module, the logic judgment module, the switch module and the time delay module. This application has the effect of realizing useless thick liquid recovery system's automation.
Description
Technical Field
The application relates to the technical field of concrete preparation, in particular to an automatic treatment system for concrete waste slurry preparation.
Background
The concrete mixing truck is a special truck for conveying concrete for construction, and the truck is provided with a cylindrical mixing drum for carrying mixed concrete.
After the transport vehicle transports the concrete, the concrete waste slurry in the mixing drum, at the feed inlet and the discharge outlet of the mixing drum is generally flushed by water, so that the hardened waste slurry is prevented from occupying space and blocking the inlet and the outlet of the mixing drum.
The mixer cleaning station is usually provided with a waste slurry recovery system, waste slurry in the mixing drum is washed and discharged to a discharge chute, sewage and gravel in the discharge chute flow into a mixing tank, a stirrer is arranged in the mixing tank and is periodically stirred to keep the sewage turbid, a mud pump is used for pumping the turbid sewage in the mixing tank to a gravel classifier, the gravel classifier separates gravel from the sewage, and the sewage is recovered to a reservoir for mixer cleaning.
In view of the above-mentioned related technologies, the inventor believes that there is a defect that in order to make the waste slurry recovery system work normally, the worker needs to observe the liquid levels of the stirring pool and the reservoir in real time to control the operation of the stirrer, the sand classifier and the slurry pump, and the operation of the waste slurry recovery system is complicated.
SUMMERY OF THE UTILITY MODEL
In order to realize the automation of the waste slurry recovery system and make the recovery of the waste slurry in the mixing drum more convenient, the application provides an automatic treatment system for the configuration of the waste concrete slurry.
The application provides an automated processing system for concrete waste slurry configuration. The following technical scheme is adopted:
an automatic treatment system for concrete waste slurry configuration comprises a spraying device, a stirring pool, a slurry pump, a sand classifier and a water storage pool, wherein the spraying device is used for washing a vehicle, the spraying device is communicated with a water source, a stirrer is placed in the stirring pool, a material pumping end of the slurry pump is communicated with the stirring pool, a material discharging end of the slurry pump is communicated with the sand classifier, the sand classifier comprises a sand discharging end and a sewage discharging end, and the sewage discharging end is communicated with the water storage pool; the cistern intercommunication spray set, the liquid level detection circuit that is used for controlling the agitator to start or stop is coupled to the agitator, the agitator is coupled to the slush pump in order to send control signal control slush pump to receive electricity when the agitator receives electricity, sand and gravel grader establishes ties in the power supply loop of slush pump, the liquid level detection circuit includes:
the stirring tank liquid level detection module is used for detecting the liquid level of the stirring tank and sending a stirring tank liquid level comparison signal when the liquid level of the stirring tank is higher;
the reservoir liquid level detection module is used for detecting the liquid level of the reservoir and sending a reservoir liquid level comparison signal when the liquid level of the reservoir is lower;
the logic judgment module is simultaneously coupled with the stirring tank liquid level detection module and the water storage tank liquid level detection module and is used for sending out a logic judgment signal when receiving the stirring tank liquid level comparison signal and the water storage tank liquid level comparison signal simultaneously;
the switch module is coupled with the logic judgment unit and is connected in series in a power supply loop of the stirrer so as to send out a switch signal to control the stirrer to be electrified when receiving the logic judgment signal;
and the delay module is connected in the power supply loop of the stirrer in series to send out a delay signal after the stirrer is electrified for a period of time so as to control the slurry pump and the sand classifier to be electrified.
By adopting the technical scheme, the spraying device washes the waste slurry in the stirring cylinder, the waste slurry flows into the stirring tank from the discharging groove, the liquid level in the stirring tank rises, the stirring tank liquid level detection module detects the liquid level of the stirring tank and sends a stirring tank liquid level comparison signal when the liquid level of the stirring tank is higher, the liquid level in the water tank is lower at the moment, the water tank detection module sends a water tank liquid level comparison signal, the logic judgment module simultaneously receives the stirring tank liquid level detection signal and the water tank liquid level detection signal and then sends a logic judgment signal to the switch module, the switch module sends a switch signal to control the stirrer to start after receiving the logic judgment signal, the stirrer keeps the sewage in the stirring tank highly turbid, the time delay module starts the countdown of the preset time when the stirrer is started, and sends a time delay signal to control the mud pump to start and extract the sewage in the stirring tank to the sand classifier when the countdown is finished, the grit grader starts simultaneously and sieves out grit from sewage, and sewage enters into the cistern, cistern intercommunication spray set in order to be used for the churn to wash.
When the sewage of saving in the stirring tank is less or the water of saving in the cistern is enough when many, stirring pond liquid level comparison signal and cistern liquid level comparison signal can not be received simultaneously to the logic judgement module, and the agitator does not start, then slush pump and gravel classifier are the start-up, realize useless thick liquid recovery system's automation for the recovery of the useless thick liquid in the churn is more convenient.
Optionally, stirring pond detection module includes first level sensor and first liquid level comparison unit, first level sensor fixes the bottom that inside wall and first level sensor in the stirring pond are close to the stirring pond, first level sensor is used for detecting the stirring pond in the liquid level height and sends out liquid level detection signal, and first liquid level comparison unit is coupled in first level sensor and is provided with threshold signal VREF1 in order to send the stirring pond liquid level comparison signal when liquid level detection signal is greater than threshold signal VREF 1.
By adopting the technical scheme, the first liquid level sensor sends a liquid level detection signal to the first liquid level comparison unit, and when the liquid level in the stirring tank exceeds the first liquid level sensor, the first liquid level comparison unit sends a stirring tank liquid level comparison signal; when the liquid level in the stirring pool is lower than the first liquid level sensor, the first liquid level comparison unit does not send a stirring pool liquid level comparison signal, and the function that the stirring pool liquid level detection module sends the stirring pool liquid level comparison signal is realized.
Optionally, cistern detection module includes second level sensor and second level comparison unit, the top that inside wall and second level sensor that the second level sensor fixed the cistern are close to the cistern, the second level sensor is used for detecting the stirring pond liquid level height and sends out liquid level detection signal, and the second level comparison unit is coupled in the second level sensor and is provided with threshold signal VREF2 in order to send out cistern liquid level comparison signal when liquid level detection signal is less than threshold signal VREF 2.
By adopting the technical scheme, the second liquid level sensor sends a liquid level detection signal to the second liquid level comparison unit, and when the liquid level in the water reservoir is lower than the second liquid level sensor, the second liquid level comparison unit sends a water reservoir liquid level comparison signal; when the liquid level in the reservoir exceeds the second liquid level sensor, the second liquid level comparison unit does not send a reservoir liquid level comparison signal, and the function that the reservoir liquid level detection module sends the reservoir liquid level comparison signal is realized.
Optionally, the first liquid level comparing unit includes a first comparator N1, a first signal input terminal of the first comparator N1 is coupled to the first liquid level sensor, a second signal input terminal of the first comparator N1 is connected to a threshold signal VREF1, and a signal output terminal of the first comparator N1 is coupled to the logic determining module.
By adopting the technical scheme, the first comparator N1 compares the liquid level detection signal accessed by the first signal input end with the threshold signal VREF1 of the second signal input end in real time, and the comparison between the liquid level detection signal and the threshold signal VREF1 is more sensitive and timely by adopting the first comparator N1.
Optionally, the second liquid level comparing unit includes a second comparator N2, a first signal input terminal of the second comparator N2 is coupled to the second liquid level sensor, a second signal input terminal of the second comparator N2 is connected to the threshold signal VREF2, and a signal output terminal of the second comparator N2 is coupled to the logic determining module.
By adopting the technical scheme, the second comparator N2 compares the liquid level detection signal accessed by the first signal input end with the threshold signal VREF1 of the second signal input end in real time, and the comparison between the liquid level detection signal and the threshold signal VREF2 is more sensitive and timely by adopting the second comparator N2.
Optionally, the logic determining module includes a logic and gate, a first signal input end of the logic and gate is coupled to the signal output end of the first comparator N1, a second signal input end of the logic and gate is coupled to the signal output end of the second comparator N2, and a signal output end of the logic and gate is coupled to the switch module.
By adopting the technical scheme, when the logic AND gate receives the stirring tank liquid level comparison signal and the water storage tank liquid level comparison signal at the same time, the signal output end of the logic AND gate outputs a high level to the switch module, and when the logic AND gate only receives the stirring tank liquid level comparison signal or the water storage tank liquid level comparison signal or both the stirring tank liquid level comparison signal and the water storage tank liquid level comparison signal, the logic AND gate outputs a low level signal to realize the logic judgment function of the logic judgment module.
Optionally, the switch module includes a transistor Q1 and a relay KM1, a base of the transistor Q1 is coupled to a signal output end of the logic and gate, a collector of the transistor Q1 is coupled to the power supply voltage VCC, an emitter of the transistor Q1 is coupled to a coil of the relay KM1 in series and then coupled to the ground, the relay KM1 includes a normally open contact switch KM1-1, and the normally open contact switch KM1-1 is connected in series in a power supply loop of the mixer.
Through adopting above-mentioned technical scheme, when triode Q1's base received logic judgement signal, triode Q1's base converts the high level into by the low level, triode Q1 switches on and makes relay KM 1's coil to gain electricity, normally open contact switch KM1-1 is closed and makes the power supply circuit of agitator switch on, the time delay module is received and is opened the count-down simultaneously, when triode Q1's base received low level signal, triode Q1 does not switch on, the agitator is not got electricity, the time delay module is not got electricity, realize that the switch module sends switching signal's function.
Optionally, the time delay module comprises an electrified time delay type time relay KT, a coil of the time relay KT is connected in series in a power supply loop of the stirrer, the time relay KT comprises an electrified time delay normally-open contact KT-1, and the electrified time delay normally-open contact KT-1 is connected in series in the power supply loop of the mud pump.
Through adopting above-mentioned technical scheme, when the agitator got the electricity, the agitator began to stir the muddy filtration screening work so that grit grader in the sewage stirring in the stirred tank, and time relay KT's coil got the electricity and begins the countdown of presetting time this moment, and when the countdown ended, slush pump and grit grader start simultaneously and carry out the separation of grit sewage, when time relay KT's coil lost electricity, normally open contact switch KT-1 closed immediately.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the switch module sends out a switch signal to control the stirrer to start after receiving the logic judgment signal, the stirrer start time delay module starts countdown of preset time, and sends out a delay signal to control the slurry pump to start and extract sewage in the stirring tank to the sand classifier when the countdown is finished, the sand classifier starts and sieves sand out from the sewage at the same time, the sewage enters the water storage tank, and the water storage tank is communicated with the spraying device to be used for cleaning the stirring cylinder;
2. when the liquid level in the reservoir exceeds the second liquid level sensor, the second liquid level comparison unit does not send out a reservoir liquid level comparison signal, so that the function of sending out the reservoir liquid level comparison signal by the reservoir liquid level detection module is realized;
3. when the countdown is finished, the mud pump and the sand and stone classifier are started simultaneously to separate sand and stone sewage, and when the coil of the time relay KT is powered off, the normally open contact switch KT-1 is closed immediately.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is a circuit diagram of the medium level detection circuit of the present embodiment.
Description of reference numerals: 1. a stirring tank liquid level detection module; 11. a first liquid level sensor; 12. a first liquid level comparison unit; 2. a reservoir liquid level detection module; 21. a second liquid level sensor; 22. a second liquid level comparison unit; 3. a logic judgment module; 4. a switch module; 5. and a time delay module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-2 and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The embodiment of the application discloses an automated processing system for concrete waste slurry configuration. Referring to fig. 1, an automated processing system for concrete waste slurry configuration is including the spray set that is used for the carwash, the stirring pond, the slush pump, grit grader and cistern, spray set intercommunication water source, the agitator has been placed in the stirring pond, the agitator is used for stirring the sewage in the stirring pond with improving the turbidity, the material end and the stirring pond intercommunication of taking out of slush pump, the discharge end and the grit grader intercommunication of slush pump, the grit grader includes grit discharge end and sewage discharge end, sewage discharge end intercommunication cistern, grit discharge end intercommunication grit collecting box, the cistern leads to pipe intercommunication spray set and provides water for spray set.
Referring to fig. 2, a liquid level detection circuit for controlling the start or stop of the stirrer is coupled to the stirrer, the stirrer is coupled to the slurry pump to send a control signal to control the slurry pump to be powered when the stirrer is powered, and the sand classifier is connected in series in a power supply loop of the slurry pump.
The liquid level detection circuit comprises a stirring tank liquid level detection module 1, a reservoir liquid level detection module 2, a logic judgment module 3, a switch module 4 and a delay module 5.
Stirring pond liquid level detection module 1 includes first level sensor 11 and first liquid level comparison unit 12, first level sensor 11 is fixed and is being close to the bottom in stirring the pond at the inside wall in stirring the pond and first level sensor 11, first level sensor 11 is used for detecting liquid level height and sends out liquid level detection signal in the stirring pond, first liquid level comparison unit 12 is coupled in first level sensor 11 and is provided with threshold signal VREF1 in order to send out stirring pond liquid level comparison signal when liquid level detection signal is greater than threshold signal VREF 1.
The first liquid level comparing unit 12 includes a first comparator N1, a first signal input terminal of the first comparator N1 is a positive phase input terminal coupled to the first liquid level sensor 11, a second signal input terminal of the first comparator N1 is a negative phase input terminal coupled to the threshold signal VREF1, and a signal output terminal of the first comparator N1 is coupled to the logic determining module 3.
The cistern detection module includes second level sensor 21 and second level comparison unit 22, second level sensor 21 fixes the inside wall at the cistern and second level sensor 21 is close to the top of cistern, second level sensor 21 is used for detecting the interior liquid level height of stirring pond and sends out liquid level detection signal, second level comparison unit 22 is coupled in second level sensor 21 and is provided with threshold signal VREF2 in order to send out cistern liquid level comparison signal when liquid level detection signal is less than threshold signal VREF 2.
The second liquid level comparing unit 22 includes a second comparator N2, a first signal input terminal of the second comparator N2 is an inverting input terminal coupled to the second liquid level sensor 21, a second signal input terminal of the second comparator N2 is a non-inverting input terminal coupled to the threshold signal VREF2, and a signal output terminal of the second comparator N2 is coupled to the logic determining module 3.
The logic judgment module 3 is simultaneously coupled with the stirring tank liquid level detection module 1 and the reservoir liquid level detection module 2 so as to send out a logic judgment signal when simultaneously receiving the stirring tank liquid level comparison signal and the reservoir liquid level comparison signal; the logic determining module 3 comprises a logic and gate, a first signal input terminal of the logic and gate is coupled to the signal output terminal of the first comparator N1, a second signal input terminal of the logic and gate is coupled to the signal output terminal of the second comparator N2, and a signal output terminal of the logic and gate is coupled to the switch module 4.
The switch module 4 is coupled with the logic judgment unit and is connected in series in a power supply loop of the stirrer so as to send out a switch signal to control the stirrer to be electrified when receiving the logic judgment signal; the switch module 4 comprises an NPN-type triode Q1 and a relay KM1, a base electrode of the triode Q1 is coupled to a signal output end of the logic and gate, a collector electrode of the triode Q1 is coupled to a power supply voltage VCC, an emitter electrode of the triode Q1 is coupled to the ground after being connected in series with a coil of the relay KM1, the relay KM1 comprises a normally open contact switch KM1-1, and the normally open contact switch KM1-1 is connected in series in a power supply loop of the stirrer.
The time delay module 5 is connected in series in a stirrer power supply loop to send a time delay signal to control the slurry pump and the sand and stone classifier to be electrified after the stirrer is electrified for a period of time, the time delay module 5 comprises an electrified time delay type time relay KT, a coil of the time relay KT is connected in series in the power supply loop of the stirrer, the time relay KT comprises an electrified time delay normally-open contact KT-1, and the electrified time delay normally-open contact KT-1 is connected in series in the power supply loop of the slurry pump.
The implementation principle of the automatic processing system for the concrete waste slurry configuration in the embodiment of the application is as follows: the spraying device washes waste slurry in the stirring cylinder, the waste slurry flows into the stirring tank from the discharge chute, the liquid level in the stirring tank rises, the first liquid level sensor 11 detects that the liquid level of the stirring tank exceeds the self level, the signal output end of the first comparator sends a stirring tank liquid level comparison signal, if the liquid level in the water tank is lower than that of the second liquid level sensor 21 at the moment, the signal output end of the second comparator N2 sends a water tank liquid level comparison signal, the logic AND gate receives the stirring tank liquid level detection signal and the water tank liquid level detection signal simultaneously and sends a logic judgment signal to the triode Q1, the base electrode of the triode Q1 is converted from a low level to a high level, the triode Q1 is conducted to enable the coil of the relay KM1 to be electrified, the normally open contact switch KM1-1 is closed to enable the power supply loop of the stirrer to be conducted, the stirrer is started, the stirrer enables sewage in the stirring tank to keep the height, relay KT's coil is got electricity and begins the countdown of preset time when the agitator starts simultaneously, begins the countdown of preset time to send time delay signal control slush pump start extraction sewage to grit grader in the stirring pond when the countdown finishes, the grit grader starts simultaneously and sieves out the grit from sewage, and sewage enters into the cistern, cistern intercommunication spray set in order to be used for the churn to wash.
When the sewage of saving in the stirring tank is less or the water of saving in the cistern is enough when many, stirring pond liquid level comparison signal and cistern liquid level comparison signal can not be received simultaneously to the logic AND gate, and the agitator does not start, then slush pump and gravel classifier are the start-up, realize useless thick liquid recovery system's automation for the recovery of the useless thick liquid in the churn is more convenient.
The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Claims (8)
1. An automatic treatment system for concrete waste slurry configuration comprises a spraying device, a stirring pool, a slurry pump, a sand classifier and a water storage pool, wherein the spraying device is used for washing a vehicle, the spraying device is communicated with a water source, a stirrer is placed in the stirring pool, a material pumping end of the slurry pump is communicated with the stirring pool, a material discharging end of the slurry pump is communicated with the sand classifier, the sand classifier comprises a sand discharging end and a sewage discharging end, and the sewage discharging end is communicated with the water storage pool; the cistern intercommunication spray set, the liquid level detection circuit that is used for controlling the agitator to start or stop is coupled to the agitator, the agitator is coupled to the slush pump in order to send control signal control slush pump to receive electricity when the agitator receives electricity, sand and gravel grader establishes ties in the power supply loop of slush pump, the liquid level detection circuit includes:
the stirring tank liquid level detection module (1) is used for detecting the liquid level of the stirring tank and sending a stirring tank liquid level comparison signal when the liquid level of the stirring tank is higher;
the reservoir liquid level detection module (2) is used for detecting the liquid level of the reservoir and sending a reservoir liquid level comparison signal when the liquid level of the reservoir is lower;
the logic judgment module (3) is coupled to the stirring tank liquid level detection module (1) and the water storage tank liquid level detection module (2) at the same time and sends out a logic judgment signal when receiving the stirring tank liquid level comparison signal and the water storage tank liquid level comparison signal at the same time;
the switch module (4) is coupled with the logic judgment unit and is connected in series in a power supply loop of the stirrer so as to send out a switch signal to control the stirrer to be electrified when receiving the logic judgment signal;
and the delay module (5) is connected in series in the power supply loop of the stirrer and sends out a delay signal to control the slurry pump and the sand classifier to be electrified after the stirrer is electrified for a period of time.
2. The automated processing system for concrete waste slurry preparation according to claim 1, wherein: stirring pond liquid level detection module includes first level sensor (11) and first liquid level comparison unit (12), inside wall and first level sensor (11) in the stirring pond are fixed in first level sensor (11) and are close to the bottom in stirring pond, first level sensor (11) are used for detecting the interior liquid level height of stirring pond and send out liquid level detection signal, and first liquid level comparison unit (12) are coupled in first level sensor (11) and are provided with threshold signal VREF1 in order to send stirring pond liquid level comparison signal when liquid level detection signal is greater than threshold signal VREF 1.
3. The automated processing system for concrete waste slurry preparation according to claim 1, wherein: the cistern liquid level detection module includes second level sensor (21) and second level comparison unit (22), the top that inside wall and second level sensor (21) of cistern are close to the cistern is fixed in second level sensor (21), second level sensor (21) are used for detecting the stirring pond liquid level height and send out liquid level detection signal, and second level comparison unit (22) are coupled in second level sensor (21) and are provided with threshold signal VREF2 in order to send out cistern liquid level comparison signal when liquid level detection signal is less than threshold signal VREF 2.
4. The automated processing system for concrete waste slurry preparation according to claim 2, wherein: the first liquid level comparison unit (12) comprises a first comparator N1, a first signal input end of the first comparator N1 is coupled to the first liquid level sensor (11), a second signal input end of the first comparator N1 is connected to a threshold signal VREF1, and a signal output end of the first comparator N1 is coupled to the logic judgment module (3).
5. The automated processing system for concrete waste slurry preparation according to claim 3, wherein: the second liquid level comparison unit (22) comprises a second comparator N2, a first signal input end of the second comparator N2 is coupled to the second liquid level sensor (21), a second signal input end of the second comparator N2 is connected to a threshold signal VREF2, and a signal output end of the second comparator N2 is coupled to the logic judgment module (3).
6. The automated processing system for concrete waste slurry preparation according to claim 5, wherein: the logic judgment module (3) comprises a logic AND gate, a first signal input end of the logic AND gate is coupled to the signal output end of the first comparator N1, a second signal input end of the logic AND gate is coupled to the signal output end of the second comparator N2, and a signal output end of the logic AND gate is coupled to the switch module (4).
7. The automated processing system for concrete waste slurry preparation according to claim 6, wherein: the switch module (4) comprises a transistor Q1 and a relay KM1, wherein the base electrode of the transistor Q1 is coupled to the signal output end of the logic AND gate, the collector electrode of the transistor Q1 is coupled to a power supply voltage VCC, the emitter electrode of the transistor Q1 is coupled to the ground after being connected in series with the coil of the relay KM1, the relay KM1 comprises a normally open contact switch KM1-1, and the normally open contact switch KM1-1 is connected in series in a power supply loop of the refrigeration equipment.
8. The automated processing system for concrete waste slurry preparation according to claim 7, wherein: the time delay module (5) comprises an electrified time delay type time relay KT, a coil of the time relay KT is connected in series in a power supply loop of the stirrer, the time relay KT comprises an electrified time delay normally-open contact KT-1, and the electrified time delay normally-open contact KT-1 is connected in series in the power supply loop of the mud pump.
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