CN211714087U - Plant mixing metering water supply system - Google Patents
Plant mixing metering water supply system Download PDFInfo
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- CN211714087U CN211714087U CN201922150506.1U CN201922150506U CN211714087U CN 211714087 U CN211714087 U CN 211714087U CN 201922150506 U CN201922150506 U CN 201922150506U CN 211714087 U CN211714087 U CN 211714087U
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Abstract
The utility model relates to a plant mixing measurement water supply technical field, concretely relates to plant mixing measurement water supply system, through the cooperation of computer batching control system and switching-over valve and wet return and delivery pipe, the water supply capacity of computer batching control system control water pump makes the accurate water supply of plant mixing construction, and the influence that it caused fluctuation to plant mixing ejection of compact moisture content has been avoided to the stable control ejection of compact moisture content, has improved work efficiency.
Description
Technical Field
The utility model relates to a plant mixing measurement water supply technical field, concretely relates to plant mixing measurement water supply system.
Background
The water adding metering system of the plant mixing equipment directly influences the stable state of the discharged water content of the plant mixing equipment, and the construction quality can be ensured only by the optimal water content for ensuring the stable discharge. At present, most plant mixing equipment adopts a better water adding mode, namely a single-path variable-frequency control water pump + electronic flow meter system, but the metering control system has a defect of not being ideal, most water pumps adopt centrifugal pumps, and due to the structural characteristics of the pumps, when the system is just started, the stable pressure for overcoming the resistance of the water pumps and the pipeline needs to be built for a certain time to meet the stable flow requirement appointed by a computer material distribution control system, so that a time difference is formed, the water flow provided by the water pumps in the period always has a larger difference with the flow requirement appointed by the computer material distribution control system, namely, a sudden-high and sudden-low hysteresis fluctuation process exists, particularly, when the pipeline is longer, the hysteresis duration is longer, and the stable control of the water content of discharged materials is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a plantmix measurement water supply system, has accurate water supply, the characteristics of the stable control ejection of compact moisture content.
The utility model provides a technical problem can adopt following technical scheme to realize:
a plant mixing metering water supply system comprises
A water tank including a water outlet and a water inlet;
a water pump;
one end of the first water suction pipe is communicated with a water outlet of the water tank, and the other end of the first water suction pipe is communicated with the water pump;
the electronic flowmeter is connected to the first water suction pipe;
one end of the computer batching control system is connected with the electronic flowmeter through an electric signal line, and the other end of the computer batching control system is connected with the water pump through an electric signal line;
the other end of the computer material distribution control system is connected with one end of the frequency converter through an electric signal line, and the other end of the frequency converter is connected with the water pump through an electric wire;
one end of the water outlet pipe is connected with the water pump;
the reversing valve is a three-way reversing valve and comprises a water inlet and two water outlets, and the water inlet of the reversing valve is communicated with the other end of the water outlet pipe;
one end of the water return pipe is communicated with one water outlet of the reversing valve, and the other end of the water return pipe is communicated with a water inlet of the water tank;
one end of the water supply pipe is communicated with the other water outlet of the reversing valve;
the spraying pipe is communicated with the other end of the water supply pipe, and a spraying opening is formed in the spraying pipe;
the pressure testing device is connected to the water outlet pipe;
and the adjustable throttle valve is connected to the water return pipe.
The water pump is a centrifugal pump and comprises a pump body and a driving motor, the driving motor is connected to the pump body, and the driving motor is connected with the other end of the frequency converter through an electric wire.
The pump body comprises a water inlet and a water outlet, the water inlet of the pump body is communicated with the other end of the first water suction pipe, and the water outlet of the pump body is communicated with one end of the water outlet pipe.
The pressure testing device is a pressure gauge.
The spray pipe is evenly provided with a plurality of spray openings.
The reversing valve is an L-shaped tee joint and comprises a water inlet A, a water outlet B and a water outlet C, the water inlet A is communicated with the other end of the water outlet pipe, the water outlet B is communicated with one end of the water return pipe, and the water outlet C is communicated with one end of the water supply pipe.
The end part of the first water suction pipe at the communication position of one end of the first water suction pipe and the water outlet of the water tank is also connected with a water suction bottom valve.
The utility model has the advantages that:
compared with the prior art, the utility model discloses a before carrying out the plant mixing construction, according to the required stirring volume of mixing of the material of plant mixing construction and the humidity of mixing the material requirement, the water supply when confirming the plant mixing construction, the pressure of timing wet return equals with the pressure of delivery pipe earlier, open the delivery port of switching-over valve and delivery pipe intercommunication earlier, give the water supply numerical value when computer batching control system input confirms the plant mixing construction, open the water pump power, the water pump is intraductal through the water suction of first suction pipe with the water suction in the water tank, water passes through behind the water inlet of switching-over valve in the outlet pipe, water passes through the delivery pipe and gets into the spray pipe, computer batching control system reads electronic flowmeter's actual water supply numerical value in real time, electronic flowmeter transmits water yield numerical signal for computer batching control system through the signal of telecommunication line, computer batching control system controls the rotational speed numerical value of water pump through the converter according to the difference of the water supply numerical value of transmitting in real time and confirming the plant mixing construction The water outlet quantity of the water pump is controlled, the water quantity value displayed by the electronic flowmeter is consistent with the water supply quantity value input by the computer material distribution control system during determined plant mixing construction, the pressure value of the pressure testing device connected to the water outlet pipe is observed, the value is recorded after the value is stable, the water outlet of the reversing valve communicated with the water supply pipe is closed, the water outlet of the reversing valve communicated with the water return pipe is opened, water enters the water tank through the water return pipe, the pressure on the water return pipe is adjusted through the adjustable throttle valve on the water return pipe, the pressure value of the pressure testing device connected to the water outlet pipe is observed, the pressure value of the pressure testing device connected to the water outlet pipe is adjusted to be equal to the recorded value, and the return water pressure adjusting process is completed.
When plant mixing construction is carried out, the spraying pipe is arranged above the mixed materials with required yield, then the reversing valve of the reversing valve is opened, the water outlet pipe is communicated with the water supply pipe, and water in the water outlet pipe enters the spraying pipe through the water supply pipe to be sprayed and mixed with the materials.
When the water supply quantity required by the material mixing with the required yield is finished, the water outlet of the reversing valve communicated with the water return pipe is opened, namely the water outlet pipe is communicated with the water return pipe, and the water in the water outlet pipe flows back into the water tank through the reversing valve and the water return pipe.
When the output of the required stirring materials and the humidity required by stirring materials are changed, the water supply amount during plant stirring construction is determined according to the new output of the required stirring materials and the humidity required by stirring materials, then a new water supply amount numerical value is input into a computer material distribution control system, the computer material distribution control system controls the rotating speed of a water pump through a frequency converter according to the difference between the real-time transmitted water supply amount data and the new water supply amount numerical value so as to control the water outlet amount, the water quantity numerical value displayed by an electronic flowmeter is consistent with the new water supply amount numerical value of the computer material distribution control system, when a water outlet communicated with a water supply pipe, namely a water outlet pipe is communicated with the water supply pipe, a spray pipe arranged above the new stirring materials with the required output can spray the stirring materials with the new water supply amount, the work of the water pump does not need to stop during the construction of the plant stirring water supply system, and the accurate water supply can be realized only by switching the reversing valve to a standby state when, the moisture content of discharged materials is stably controlled, the influence of fluctuation on the moisture content of the factory-mixed discharged materials is avoided, and the working efficiency is improved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the principle structure of the plant mixing metering water supply system of the utility model.
Fig. 2 is the utility model discloses a switching-over valve return water pipeline operating condition enlarges the schematic diagram.
Fig. 3 is the enlarged structure schematic diagram of the working state of the water supply pipeline of the reversing valve of the utility model.
In the figure: the water pump comprises a water tank 1, a water suction bottom valve 2, a first water suction pipe 3, an electronic flow meter 4, a second water suction pipe 5, a frequency converter 6, a computer material distribution control unit 7, a water pump 8, a pump body 8-1, a driving motor 8-2, a water outlet pipe 9, a pressure gauge 10, a reversing valve 11, a water return pipe 12, a water supply pipe 13, an adjustable throttle valve 14 and a spray pipe 15.
Detailed Description
Example 1:
referring to fig. 1, which is a schematic structural diagram of embodiment 1 of the present invention, a plant mixing metering water supply system comprises
The water tank 1, the water tank 1 includes water outlet and water inlet;
a water pump 8;
one end of the first water suction pipe 3 is communicated with a water outlet of the water tank 1, and the other end of the first water suction pipe 3 is communicated with the water pump 8;
the electronic flowmeter 4 is connected to the first water suction pipe 3;
one end of the computer batching control system 7 is connected with the electronic flowmeter 4 through an electric signal line, and the other end of the computer batching control system 7 is connected with the water pump 8 through an electric signal line;
the other end of the frequency converter 6 and the computer material distribution control system 7 are connected with one end of the frequency converter 6 through an electric signal line, and the other end of the frequency converter 6 is connected with the water pump 8 through an electric wire;
one end of the water outlet pipe 9 is connected with the water pump 8;
the reversing valve 11 is a three-way reversing valve and comprises a water inlet and two water outlets, and the water inlet of the reversing valve 11 is communicated with the other end of the water outlet pipe 9;
one end of the water return pipe 12 is communicated with one water outlet of the reversing valve 11, and the other end of the water return pipe 12 is communicated with a water inlet of the water tank 1;
one end of the water supply pipe 13 is communicated with the other water outlet of the reversing valve 11;
the spraying pipe 15, the spraying pipe 15 communicates with another end of the water supply pipe 13, there are spray openings on the spraying pipe 15;
the pressure testing device is connected to the water outlet pipe 9;
and the adjustable throttle valve 14, the adjustable throttle valve 14 is connected to the return pipe 12.
In actual use: before plant mixing construction, according to the mixing quantity of materials required by the plant mixing construction and the humidity required by the mixing, determining the water supply quantity during the plant mixing construction, firstly adjusting the pressure of a water return pipe 12 to be equal to the pressure of a water supply pipe 13, firstly opening a water outlet of a reversing valve 11 communicated with the water supply pipe 13, inputting the determined water supply quantity value during the plant mixing construction into a computer mixing control system 7, starting a power supply of a water pump 8, pumping the water in a water tank 1 into a water outlet pipe 9 by the water pump 8 through a first water suction pipe 3, enabling the water in the water outlet pipe 9 to enter a spraying pipe 15 through the water supply pipe 13 after the water in the water outlet pipe 9 passes through a water inlet of the reversing valve 11, reading the actual water supply quantity value of an electronic flowmeter 4 in real time by the computer mixing control system 7, transmitting a water quantity value signal to the computer mixing control system 7 through an electric signal line, and controlling the computer mixing control system 7 through a frequency converter 6 according to the difference between the transmitted water supply quantity data in real The water output of the water pump 8 is controlled by the rotating speed of the water making pump 8, so that the water quantity value displayed by the electronic flowmeter 4 is consistent with the water supply value input by the computer material matching control system 7 during plant mixing construction, the pressure value of the pressure testing device connected to the water outlet pipe 9 is observed, the value is recorded after the value is stable, the water outlet of the reversing valve 11 communicated with the water supply pipe 13 is closed, the water outlet of the reversing valve 11 communicated with the water return pipe 12 is opened, water enters the water tank 1 through the water return pipe 12, the pressure on the water return pipe 12 is adjusted through the adjustable throttle valve 14 on the water return pipe 12, the pressure value of the pressure testing device connected to the water outlet pipe 9 is observed, the pressure value of the pressure testing device connected to the water outlet pipe 9 is adjusted to be equal to the recorded value, and the water return pressure adjusting.
When plant mixing construction is carried out, the spraying pipe 15 is placed above materials to be mixed with required yield, then the water outlet of the reversing valve 11 communicated with the water supply pipe 13 is opened, namely the water outlet pipe 9 is communicated with the water supply pipe 13, and water in the water outlet pipe 9 enters the spraying pipe 15 through the water supply pipe 13 to be sprayed and mixed with the materials.
When the water supply amount required by the material mixing with the required yield is finished, the water outlet of the reversing valve 11 communicated with the water return pipe 12 is opened, namely the water outlet pipe 9 is communicated with the water return pipe 12, and the water in the water outlet pipe 9 flows back into the water tank 1 through the reversing valve 11 and the water return pipe 12.
When the yield of the required mixing material and the humidity required by the mixing material are changed, the water supply amount during plant mixing construction is determined according to the new yield of the required mixing material and the humidity required by the mixing material, then a new water supply amount numerical value is input into the computer mixing control system 7, the computer mixing control system 7 controls the rotating speed of the water pump 8 through the frequency converter 6 according to the difference between the water supply amount data transmitted in real time and the new water supply amount numerical value so as to control the water output amount, the water amount numerical value displayed by the electronic flow meter 4 is consistent with the new water supply amount numerical value of the computer mixing control system 7, when the reversing valve 11 is communicated with the water outlet of the water supply pipe 13, namely the water outlet pipe 9 is communicated with the water supply pipe 13, the spraying pipe 15 arranged above the new mixing material with the required yield sprays the mixing material with the new water supply amount, therefore, the work of the water pump 8 does not need to be stopped during the construction through the plant mixing, when the water supply is suspended, the reversing valve 11 is only switched to a standby state, so that accurate water supply can be realized, the water content of discharged materials is stably controlled, the influence of fluctuation on the water content of the factory-mixed discharged materials is avoided, and the working efficiency is improved.
Computer batching control system 7 for the plant mixes the prior art of measurement water supply technical field, as long as can realize the utility model discloses a function that computer batching control system 7 can realize in the patent all can be applicable to the utility model discloses, all belong to the utility model discloses a protection scope.
Example 2:
the present embodiment is different from embodiment 1 in that: the water pump 8 is a centrifugal pump, the water pump 8 comprises a pump body 8-1 and a driving motor 8-2, the driving motor 8-2 is connected to the pump body 8-1, and the driving motor 8-2 is connected with the other end of the frequency converter 6 through a wire.
In actual use: the water pump 8 comprises a pump body 8-1 and a driving motor 8-2, the driving motor 8-2 is connected to the pump body 8-1, the other end of the frequency converter 6 is connected with the driving motor 8-2 of the water pump 8 through an electric wire, after the frequency converter 6 receives a signal, the frequency conversion current is used for controlling the motor rotating speed of the driving motor 8-2 of the water pump 8 to control the water yield of the water pump 8, and the accuracy of the water yield of the water pump 8 is controlled through the structure.
Example 3:
the present embodiment is different from embodiment 2 in that: the pump body 8-1 comprises a water inlet and a water outlet, the water inlet of the pump body 8-1 is communicated with the other end of the first water suction pipe 3, and the water outlet of the pump body 8-1 is communicated with one end of the water outlet pipe 9.
In actual use: when the water pump 8 works, water pumped by the water pump enters the water inlet of the pump body 8-1 through the first water suction pipe 3 and then enters the water outlet pipe 9 from the water outlet of the pump body 8-1.
Example 4:
the present embodiment is different from embodiment 1 in that: the pressure testing device is a pressure gauge 10.
In actual use: the pressure testing device is a pressure gauge 10 for testing the water pressure entering the water outlet pipe 9.
Example 5:
the present embodiment is different from embodiment 1 in that: the spraying pipe 15 is evenly provided with a plurality of spraying openings.
In actual use: a plurality of spraying openings are uniformly arranged on the spraying pipe 15, and can uniformly spray water for the materials to be mixed.
Example 6:
referring to fig. 2 and 3, the present embodiment is different from embodiment 1 in that: the reversing valve 11 is an L-shaped tee joint and comprises a water inlet A, a water outlet B and a water outlet C, the water inlet A is communicated with the other end of the water outlet pipe 9, the water outlet B is communicated with one end of the water return pipe 12, and the water outlet C is communicated with one end of the water supply pipe 13.
In actual use: the reversing valve 11 is an L-shaped tee joint, a water inlet A is communicated with the other end of a water outlet pipe 9, a water outlet B is communicated with one end of a water return pipe 12, a water outlet C is communicated with one end of a water supply pipe 13, when in actual use, an A-C port is firstly communicated, then a computer batching control system receives signals and outputs a flow value to a water pump 8, the value of the water pump 8 is enabled to reach a required flow value, the water pump 8 is started to supply water until water stably flows out from a spray pipe 15, the pressure value of a pressure gauge 10 on the water outlet pipe 9 is observed, after the pressure gauge value is stabilized, the pressure gauge value under the flow is checked and recorded, then the water supply is continuously stopped, the reversing valve 11 is placed at the A-B port to be communicated, the opening degree of an adjustable throttle valve 14 on the water return pipe 12 is adjusted, the pressure gauge, the structure ensures that the pressure on the water outlet pipe 9 and the water return pipe 12 is equal when water is supplied, so that the water supply amount is accurate.
Example 7:
the present embodiment is different from embodiment 1 in that: the end part of the first water suction pipe 3 at the communication position of one end of the first water suction pipe 3 and the water outlet of the water tank 1 is also connected with a water suction bottom valve 2.
In actual use: the end part of the first water suction pipe 3 positioned at the water outlet of the water tank 1 is connected with the water suction bottom valve 2, the water suction bottom valve 2 is used for ensuring that liquid flows in the first water suction pipe 3 in a single direction, so that the water pump 8 normally works and cannot return to the water tank 1 when the water pump 8 stops working for a short time, and the first water suction pipe 3 is ensured to be filled with liquid so as to be beneficial to starting of the water pump 8.
Example 8:
a method of using a plant-mix metered water supply system including a plant-mix metered water supply system as described in any one of embodiments 1-8, comprising the steps of
The method comprises the following steps: determining water supply during plant-mix construction
Before plant mixing construction, determining the water supply amount during the plant mixing construction according to the yield of mixed materials required by the plant mixing construction and the humidity required by the mixed materials;
step two: the pressure equality of the water return pipe 12 and the water supply pipe 13 is adjusted and adjusted according to the water supply amount during plant mixing construction
On the basis of the first step, firstly, a water outlet communicated with a water supply pipe 13 through a reversing valve 11 is opened, a water supply quantity numerical value for determining plant mixing construction is input into a computer batching control system 7, a power supply of a water pump 8 is turned on, the water pump 8 pumps water in a water tank 1 into a water outlet pipe 9 through a first water suction pipe 3, the water in the water outlet pipe 9 enters a spraying pipe 15 through the water supply pipe 13 after passing through a water inlet of the reversing valve 11, the computer batching control system 7 reads an actual water supply quantity numerical value of an electronic flowmeter 4 in real time, the electronic flowmeter 4 transmits a water quantity numerical value signal to the computer batching control system 7 through an electric signal line, the computer batching control system 7 controls the rotating speed of the water pump 8 through a frequency converter 6 according to the difference between the water supply quantity data transmitted in real time and the water supply quantity numerical value for determining plant mixing construction, so as to control the water outlet quantity of the water pump 8, and enable the water quantity numerical value displayed by the electronic flowmeter 4 to be compared The water quantity numerical values are consistent, the pressure numerical values of the pressure testing devices connected to the water outlet pipe 9 are observed, when the numerical values are stable, the numerical values are recorded, then the water outlet of the reversing valve 11 communicated with the water supply pipe 13 is closed, the water outlet of the reversing valve 11 communicated with the water return pipe 12 is opened, water enters the water tank 1 through the water return pipe 12, then the pressure on the water return pipe 12 is adjusted through the adjustable throttle valve 14 on the water return pipe 12, the pressure numerical values of the pressure testing devices connected to the water outlet pipe 9 are observed, the pressure numerical values of the pressure testing devices connected to the water outlet pipe 9 are adjusted to be equal to the recorded numerical values, and the adjustment;
step three: mixing construction is carried out
On the basis of the second step, the spraying pipe 15 is placed above the material to be mixed in the first step, the water outlet of the reversing valve 11 communicated with the water supply pipe 13 is opened, namely the water outlet pipe 9 is communicated with the water supply pipe 13, and water in the water outlet pipe 9 enters the spraying pipe 15 through the water supply pipe 13 to be sprayed and mixed;
step four: on the basis of the third step, when the water supply quantity required by the material mixing of the required mixing quantity is finished, closing a water outlet of the reversing valve 11 communicated with the water supply pipe 13, and opening a water outlet of the reversing valve 11 communicated with the water return pipe 12, namely, the water outlet pipe 9 is communicated with the water return pipe 12, and the water in the water outlet pipe 9 flows back into the water tank 1 through the reversing valve 11 and the water return pipe 12;
step five: on the basis of the step four, when the cargo mixing amount of the required material and the humidity required by the material mixing are changed, determining the water supply amount during plant mixing construction according to the new mixing amount of the required materials and the humidity required by the mixing, then inputting the new water supply amount into the electronic flowmeter 4, the electronic flowmeter 4 transmits a signal to the computer batching control system 7 through an electric signal line, the computer batching control system 7 controls the rotating speed of the water pump 8 through the frequency converter 6 according to the difference between the water supply amount data transmitted in real time and the water supply amount value determined during plant mixing construction so as to control the water output amount, so that the water supply amount value displayed by the electronic flowmeter 4 is consistent with the water supply amount value input by the computer batching control system 7 and determined during plant mixing construction, when the water inlet of the reversing valve 11 is communicated with the water outlet of the water supply pipe 13, the spraying pipe 15 arranged above the new mixed material with the required yield sprays the mixed material with the new water supply amount.
By the aid of the method, accurate water supply for plant-mixed construction can be realized, the moisture content of discharged materials is stably controlled, the influence of fluctuation on the moisture content of plant-mixed discharged materials is avoided, and the working efficiency is improved.
Example 9:
referring to fig. 2 and 3, a method of using a plant-mixed metered water supply system including a plant-mixed metered water supply system according to any one of embodiments 1-8 includes the steps of
The method comprises the following steps: determining water supply during plant-mix construction
Before plant mixing construction, determining the water supply amount during the plant mixing construction according to the mixing amount of the mixed materials required by the plant mixing construction and the humidity required by the mixed materials;
step two: the pressures of the water return pipe 12 and the water supply pipe 13 are adjusted to be equal according to the amount of water supplied during plant mixing construction
On the basis of the first step, firstly, opening a reversing valve 11 to conduct the port A and the port C, namely, a water outlet pipe 9 is conducted with a water supply pipe 13, inputting a water supply quantity value for determining plant mixing construction to a computer batching control system 7, starting a power supply of a water pump 8, pumping water in a water tank 1 into the water outlet pipe 9 by the water pump 8 through a first water suction pipe 3, enabling the water in the water outlet pipe 9 to enter a spraying pipe 15 through the reversing valve 11 and the water supply pipe 13, simultaneously, reading an actual water supply quantity value of an electronic flowmeter 4 in real time by the computer batching control system 7, transmitting a water quantity value signal to the computer batching control system 7 through an electric signal line by the electronic flowmeter 4, controlling the rotating speed of the water pump 8 through a frequency converter 6 according to the difference between the water quantity data transmitted in real time and the water supply quantity value for determining plant mixing construction by the computer batching control system 7, and enabling the water quantity value displayed by the electronic flowmeter 4 and the water supply quantity value for determining plant When the pressure value of the pressure gauge 10 connected to the water outlet pipe 9 is equal to the recorded value, the return water pressure adjusting process is completed;
step three: mixing construction is carried out
On the basis of the second step, the spraying pipe 15 is placed above the material to be mixed in the first step, the water inlet A and the water outlet C on the reversing valve 11 are opened, the water inlet A and the water outlet C are communicated, namely the water outlet pipe 9 is communicated with the water supply pipe 13, and water in the water outlet pipe 9 enters the spraying pipe 15 through the water supply pipe 13 to be sprayed and mixed;
step four: on the basis of the third step, when the water supply amount required by the material mixing of the required mixing amount is finished, the water inlet A and the water outlet C of the reversing valve 11 are closed, the water inlet A and the water outlet B on the reversing valve 11 are opened, the water inlet A and the water outlet B are communicated, namely the water outlet pipe 9 is communicated with the water return pipe 12, and the water in the water outlet pipe 9 flows back into the water tank 1 through the reversing valve 11 and the water return pipe 12;
step five: on the basis of the step four, when the cargo mixing amount of the required material and the humidity required by the material mixing are changed, determining the water supply amount during plant mixing construction according to the new mixing amount of the required materials and the humidity required by the mixing, then inputting the new water supply amount into the electronic flowmeter 4, the electronic flowmeter 4 transmits a signal to the computer batching control system 7 through an electric signal line, the computer batching control system 7 controls the rotating speed of the water pump 8 through the frequency converter 6 according to the difference between the water supply amount data transmitted in real time and the water supply amount value determined during plant mixing construction so as to control the water output amount, so that the water supply amount value displayed by the electronic flowmeter 4 is consistent with the water supply amount value input by the computer batching control system 7 and determined during plant mixing construction, when the water inlet A and the water outlet C of the reversing valve 11 are communicated, the spraying pipe 15 which is arranged above the new mixed material with the required yield sprays and mixes the mixed material with the new water supply amount.
By the aid of the method, accurate water supply for plant-mixed construction can be realized, the moisture content of discharged materials is stably controlled, the influence of fluctuation on the moisture content of plant-mixed discharged materials is avoided, and the working efficiency is improved.
Example 10:
this embodiment is different from embodiment 9 in that: the reversing valve 11 is a pneumatic or electric three-way reversing valve, and preferably adopts a pneumatic three-way reversing valve.
In actual use: the reversing valve 11 adopts a pneumatic three-way reversing valve, the automatic control of the reversing valve 11 on and off of the water return pipe 12 and the water supply pipe 13 is realized through the existing pneumatic three-way reversing valve, and the use is more convenient and more automatic of the whole system.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all such changes are within the scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Technical solutions between various embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Claims (7)
1. A plant mixing metering water supply system is characterized in that: comprises that
The water tank (1), the water tank (1) includes water outlet and water inlet;
a water pump (8);
one end of the first water suction pipe (3) is communicated with a water outlet of the water tank (1), and the other end of the first water suction pipe (3) is communicated with the water pump (8);
the electronic flow meter (4), the electronic flow meter (4) is connected to the first water suction pipe (3);
one end of the computer batching control system (7) is connected with the electronic flowmeter (4) through an electric signal line, and the other end of the computer batching control system (7) is connected with the water pump (8) through an electric signal line;
the other end of the computer batching control system (7) is connected with one end of the frequency converter (6) through an electric signal line, and the other end of the frequency converter (6) is connected with the water pump (8) through an electric wire;
one end of the water outlet pipe (9) is connected with the water pump (8);
the reversing valve (11), the reversing valve (11) is a three-way reversing valve, including a water inlet and two water outlets, the water inlet of the reversing valve (11) is communicated with the other end of the water outlet pipe (9);
one end of the water return pipe (12) is communicated with one water outlet of the reversing valve (11), and the other end of the water return pipe (12) is communicated with a water inlet of the water tank (1);
one end of the water supply pipe (13) is communicated with the other water outlet of the reversing valve (11);
the spraying pipe (15), the spraying pipe (15) is communicated with the other end of the water supply pipe (13), and a spraying opening is arranged on the spraying pipe (15);
the pressure testing device is connected to the water outlet pipe (9);
the adjustable throttle valve (14), the adjustable throttle valve (14) is connected on the return pipe (12).
2. A plant mix metered water supply system as claimed in claim 1 wherein: the water pump (8) is a centrifugal pump, the water pump (8) comprises a pump body (8-1) and a driving motor (8-2), the driving motor (8-2) is connected to the pump body (8-1), and the driving motor (8-2) is connected with the other end of the frequency converter (6) through a wire.
3. A plant mix metered water supply system as claimed in claim 2 wherein: the pump body (8-1) comprises a water inlet and a water outlet, the water inlet of the pump body (8-1) is communicated with the other end of the first water suction pipe (3), and the water outlet of the pump body (8-1) is communicated with one end of the water outlet pipe (9).
4. A plant mix metered water supply system as claimed in claim 1 wherein: the pressure testing device is a pressure gauge (10).
5. A plant mix metered water supply system as claimed in claim 1 wherein: the spraying pipe (15) is evenly provided with a plurality of spraying openings.
6. A plant mix metered water supply system as claimed in claim 1 wherein: the reversing valve (11) is an L-shaped tee joint and comprises a water inlet A, a water outlet B and a water outlet C, the water inlet A is communicated with the other end of the water outlet pipe (9), the water outlet B is communicated with one end of the water return pipe (12), and the water outlet C is communicated with one end of the water supply pipe (13).
7. A plant mix metered water supply system as claimed in claim 1 wherein: the end part of the first water suction pipe (3) at the position where one end of the first water suction pipe (3) is communicated with the water outlet of the water tank (1) is also connected with a water suction bottom valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922150506.1U CN211714087U (en) | 2019-12-04 | 2019-12-04 | Plant mixing metering water supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922150506.1U CN211714087U (en) | 2019-12-04 | 2019-12-04 | Plant mixing metering water supply system |
Publications (1)
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