CN115532158A - Device and method for metering batch water adding by using differential pressure sensor - Google Patents

Abstract

The invention discloses a device and a method for metering batch water by using a differential pressure sensor. The invention relates to the technical field of mixing machines, in particular to a device and a method for metering batch and adding water by utilizing a differential pressure sensor.

Description

Device and method for metering batch water adding by using differential pressure sensor

Technical Field

The invention relates to the technical field of mixers, in particular to a device and a method for metering batch water by using a differential pressure sensor.

Background

The mixer is a mechanical device which uniformly mixes two or more materials by utilizing mechanical force, gravity and the like, and can increase the contact surface area of the materials in the mixing process to promote chemical reaction; it is also possible to accelerate the physical changes, which require the addition of water to the mixer before the mixer processes, and then the mixing of the material.

However, when the existing mixing machine adds water, the water adding mode is that water is added according to the water adding quantity set by DCS, the water is metered by the pulse type flowmeter and flows into the mixing machine for wet mixing, but in the water adding mode, because the pipeline has the problems of more impurities, poorer water quality, unstable water source pressure and the like, after impurities are adhered to a probe of the pulse type flowmeter sensor, the metering is inaccurate, the fluctuation of the pipe network pressure can also bring difficulty to the accurate control of the water adding quantity, and in addition, the problem that the flowmeter of the pulse type flowmeter sensor is difficult to check exists.

Disclosure of Invention

The invention provides a device and a method for metering batch and adding water by using a differential pressure sensor, aiming at the defects of the prior art, and solving the problems that the water adding mode of the existing mixer is to add water according to the water adding quantity set by DCS (distributed control system), the water is metered by a pulse flow meter and flows into the mixer for wet mixing, but the water adding mode has the defects of more impurities, poorer water quality, unstable water source pressure and the like in a pipeline, the metering is inaccurate due to the fact that a pulse flow meter sensor probe adheres to the impurities, the fluctuation of the pressure of a pipe network brings difficulty to the accurate control of the water adding quantity, and the flow meter of the pulse flow meter sensor has the problem of difficult verification.

In order to achieve the purpose, the invention is realized by the following technical scheme: the device comprises a base, wherein a mixing machine is arranged on the upper surface of the base, and a water adding assembly is arranged between the peripheries of the mixing machine on the upper surface of the base.

The water feeding assembly comprises a concave seat, a water tank is arranged on the upper surface of the concave seat, a differential pressure sensor is embedded in one side of the lower portion of the water tank, a water pump is arranged in front of the lower portion of the concave seat, a water outlet end of the water pump is fixedly connected with a water pipe, the other end of the water pipe is embedded in the front surface of the upper portion of the water tank, and a PLC is fixedly installed on the front surface of the upper portion of the concave seat.

Preferably, the outlet pipe is installed in the inside upper surface embedding of spill seat, the upper end of outlet pipe and the lower fixed surface of water pitcher are connected, and the upper end of outlet pipe and the inside of water pitcher are the intercommunication, the solenoid valve is installed in a side embedding of outlet pipe, and the lower extreme fixed connection of outlet pipe mixes the water inlet position of machine upper surface.

Preferably, the input end of the PLC controller is electrically connected with the output end of the differential pressure sensor through a lead, and the output end of the PLC controller is electrically connected with the input ends of the water pump and the electromagnetic valve through leads respectively.

Preferably, the another side fixedly connected with in below of water pitcher and the outlet that is linked together, and the opposite side upper surface embedding of water pitcher installs the motor, the inlet tube is installed in the embedding of the upper surface intermediate position department of water pitcher, the lower extreme of inlet tube rotates and is connected with the conveyer pipe, the equidistance in surface is connected with the shower nozzle that a plurality of is linked together rather than around the conveyer pipe, and the upper end surface cup joints and is provided with from the gear.

Preferably, the output shaft of the motor is fixedly connected with a master gear corresponding to a slave gear, and the master gear is meshed with the slave gear.

Preferably, the surface of conveyer pipe is located and all cup joints from the lower position department of gear and the lower extreme surface of conveyer pipe and is provided with the limiting plate, two be connected with the dead lever perpendicularly between the one end of limiting plate, a side fixedly connected with cleaning brush of dead lever, one side of cleaning brush and the inner wall contact of water pitcher.

Preferably, the device for metering the batch water adding by using the differential pressure sensor comprises the following steps:

s1: the water tank is arranged above the water inlet of the mixer, as shown in fig. 1, when water is added, the water pump pumps external water into the water conveying pipe, and then the water enters the water tank from the water conveying pipe;

s2: after water is added into the water pitcher, differential pressure sensor can detect the inside pressure condition of water pitcher, measures the back, gives the PLC controller with information transfer, and the PLC controller can calculate out whether the inside water of water pitcher reaches the water yield that needs, and when the inside water yield that reaches needs of water pitcher, the water pitcher just can make water pump stop work, makes the solenoid valve on the outlet pipe open after that, makes water added in mixing the machine.

Preferably, when the PLC calculates the water quantity in the water tank, the calculation formula is

Wherein V is the volume of water, R is the inner radius of the water tank, P is the water pressure detected by the differential pressure sensor, rho is the density of water, and g is the acceleration of gravity.

Advantageous effects

The invention provides a device and a method for metering batch water adding by using a differential pressure sensor, which have the following beneficial effects compared with the prior art:

(1) This utilize pressure differential sensor measurement batch device and method of adding water, upper surface through the spill seat is provided with the water pitcher, pressure differential sensor is installed in below one side embedding of water pitcher, the below the place ahead of spill seat is provided with the water pump, the play water outlet end fixedly connected with raceway of water pump, the top front surface in the water pitcher is installed in the other end embedding of raceway, fixed surface installs the PLC controller before the top of spill seat, increase the middle water pitcher that gets into before mixing the machine, use pressure differential sensor measurement to get into the volume of adding water of water pitcher, artificial intervention's mode when discovering to have the deviation, pressure when having used pulse flowmeter measurement before having got rid of, the not good interference of temperature variation and quality of water, make the volume of adding water that gets into the machine that mixes has had reliable progress, batch moisture unstable problem before having improved.

(2) The water feeding device and the method for metering the batch by using the differential pressure sensor are characterized in that a water inlet pipe is embedded in the middle position of the upper surface of a water tank, the lower end of the water inlet pipe is rotatably connected with a conveying pipe, the front surface and the rear surface of the conveying pipe are equidistantly connected with a plurality of spray heads communicated with the conveying pipe, the outer surface of the upper end of the conveying pipe is sleeved with a driven gear, the output shaft of a motor is fixedly connected with a master gear corresponding to the driven gear, the master gear is meshed with the driven gear, the outer surface of the conveying pipe is positioned at the lower position of the driven gear, the outer surface of the lower end of the conveying pipe is sleeved with a limiting plate, a fixed rod is perpendicularly connected between one ends of the two limiting plates, a cleaning brush is fixedly connected to one side of the fixed rod, one side of the cleaning brush is contacted with the inner wall of the water tank, when the inside of the water tank needs to be cleaned, the power of the motor is switched on, water is simultaneously fed into the water inlet pipe, water can be uniformly sprayed to the inner wall of the water tank, meanwhile, the cleaning brush on the inner wall of the fixed rod can clean the water tank, automatic cleaning can clean the inner wall of the water tank, the fixed rod, the cleaning brush can clean the inner wall of the water tank, automatic cleaning device and the water tank, the automatic cleaning device replaces the traditional manual cleaning mode, cleaning efficiency is improved, and the labor intensity of the manual cleaning device is reduced.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the water feeding assembly of the present invention;

FIG. 3 is a schematic frame diagram of the present invention;

FIG. 4 is a schematic view of the internal structure of the watering can of the present invention;

fig. 5 is a partial enlarged view of the structure of fig. 4 a according to the present invention.

In the figure: 1. a base; 2. a mixer; 3. a water adding component; 31. a concave seat; 3101. a water outlet pipe; 3102. an electromagnetic valve; 32. a water tank; 321. a water outlet; 322. a motor; 323. a water inlet pipe; 324. a delivery pipe; 325. a spray head; 326. a limiting plate; 327. fixing the rod; 328. a cleaning brush; 329. a slave gear; 3210. a main gear; 33. a differential pressure sensor; 34. a water pump; 35. a water delivery pipe; 36. a PLC controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides an utilize differential pressure sensor measurement batch device of adding water, includes base 1, and the upper surface of base 1 is provided with mixes machine 2, and the upper surface of base 1 is located to be provided with between mixing machine 2's the periphery and adds water component 3.

Referring to fig. 2-3, in the embodiment of the present invention, the water adding assembly 3 includes a concave seat 31, a water tank 32 is disposed on an upper surface of the concave seat 31, a differential pressure sensor 33 is embedded in one side below the water tank 32, a water pump 34 is disposed in front of a lower portion of the concave seat 31, a water outlet end of the water pump 34 is fixedly connected to a water pipe 35, another end of the water pipe 35 is embedded in a front surface above the water tank 32, a PLC controller 36 is fixedly mounted on a front surface above the concave seat 31, a water outlet pipe 3101 is embedded in an upper surface inside the concave seat 31, an upper end of the water outlet pipe 3101 is fixedly connected to a lower surface of the water tank 32, an upper end of the water outlet pipe 3101 is communicated with an inside of the water tank 32, an electromagnetic valve 3102 is embedded in one side surface of the water outlet pipe 3101, a lower end of the water outlet pipe 3101 is fixedly connected to a water inlet position on an upper surface of the mixer 2, an input end of the PLC controller 36 is electrically connected to an output end of the differential pressure sensor 33 through a lead, an output end of the PLC controller 36 is electrically connected to input end of the water pump 34 and the electromagnetic valve 3102 through a lead, an sbl-model number of the water pump 34-jly model.

Referring to fig. 4-5, in the embodiment of the present invention, a water outlet 321 communicated with the water tank 32 is fixedly connected to the other side surface below the water tank 32, a motor 322 is embedded in the upper surface of the other side of the water tank 32, a water inlet pipe 323 is embedded in the middle position of the upper surface of the water tank 32, a delivery pipe 324 is rotatably connected to the lower end of the water inlet pipe 323, a plurality of nozzles 325 communicated with the delivery pipe 324 are equally spaced from the front and rear surfaces of the delivery pipe 324, a slave gear 329 is sleeved on the outer surface of the upper end of the delivery pipe 324, a master gear 3210 corresponding to the slave gear 329 is fixedly connected to an output shaft of the motor 322, the master gear 3210 is engaged with the slave gear 329, the model of the motor 322 is CH/V, a limit plate 326 is sleeved on the outer surface of the delivery pipe 324 below the slave gear 329 and on the outer surface of the lower end of the delivery pipe 324, a fixing rod 327 is vertically connected between one ends of the two limit plates 326, a cleaning brush 328 is fixedly connected to one side surface of the fixing rod 327, and one side surface of the cleaning brush 328 is in contact with the inner wall of the water tank 32.

Further, a device for metering batch water adding by using a differential pressure sensor, wherein the water adding method comprises the following steps:

s1: the water tank 32 is arranged above the water inlet of the mixer 2, as shown in fig. 1, when water is added, the water pump 34 pumps outside water into the water pipe 35, and then the water enters the water tank 32 from the water pipe 35;

s2: after water is added into the water tank 32, the pressure difference sensor 33 detects the pressure inside the water tank 32, after the pressure is detected, information is transmitted to the PLC 36, the PLC 36 calculates whether the water inside the water tank 32 reaches a required water amount, when the water inside the water tank 32 reaches the required water amount, the water tank 32 stops the water pump 34, the electromagnetic valve 3102 on the water outlet pipe 3101 is opened, water is added into the mixing machine 2, when the water tank 32 needs to be cleaned, the power of the motor 322 is switched on, water is introduced into the water inlet pipe 323, the water enters the conveying pipe 324 and is sprayed out from the spray head 325 on the conveying pipe 324, the motor 322 drives the main gear 3210 to rotate, the main gear 3210 is meshed with the driven gear 329 on the conveying pipe 324, the conveying pipe 324 on the gear 329 rotates, when the conveying pipe 324 rotates, the water can be uniformly sprayed out of the spray head 325 to the inner wall of the water tank 32, the conveying pipe 326 rotates while driving the fixing rod 327 on the fixing rod to clean the inner wall of the water tank 32, and the water outlet port is cleaned, and then the water tank 32 is discharged to be adhered to the clean the water outlet 321.

Further, when the PLC 36 calculates the amount of water in the water tank 32, the calculation formula is

Where V is the volume of water, R is the inside radius of the water tank 32, P is the water pressure detected by the differential pressure sensor 33, ρ is the density of water, and g is the gravitational acceleration.

And those not described in detail in this specification are well within the skill of those in the art.

Furthermore, when the water tank 32 needs to be cleaned, the power of the motor 322 is turned on, water is introduced into the water inlet pipe 323, the water enters the delivery pipe 324 and is then sprayed out from the spray head 325 on the delivery pipe 324, the motor 322 rotates to drive the main gear 3210 to rotate, because the main gear 3210 is engaged with the slave gear 329 on the delivery pipe 324, the main gear 3210 rotates to drive the delivery pipe 324 on the slave gear 329 to rotate, when the delivery pipe 324 rotates, the water can be uniformly sprayed to the inner wall of the water tank 32 from the spray head 325, the delivery pipe 324 rotates to drive the stopper plate 327 to rotate, the stopper plate 326 drives the fixing rod to rotate, the cleaning brush 328 on the fixing rod 327 wipes the inner wall of the water tank 32 to wipe off impurities adhered to the inner wall, and then the water outlet 321 is opened to discharge the cleaned water.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides an utilize differential pressure sensor measurement batch to add water installation, includes base (1), its characterized in that: a mixer (2) is arranged on the upper surface of the base (1), and a water adding assembly (3) is arranged between the upper surface of the base (1) and the periphery of the mixer (2);

the water adding assembly (3) comprises a concave seat (31), a water tank (32) is arranged on the upper surface of the concave seat (31), a differential pressure sensor (33) is embedded in one side of the lower portion of the water tank (32), a water pump (34) is arranged in front of the lower portion of the concave seat (31), a water outlet end of the water pump (34) is fixedly connected with a water pipe (35), the other end of the water pipe (35) is embedded in the front surface of the upper portion of the water tank (32), and a PLC (programmable logic controller) (36) is fixedly arranged on the front surface of the upper portion of the concave seat (31).

2. The apparatus of claim 1, wherein the apparatus further comprises: concave seat (31) inside upper surface embedding installs outlet pipe (3101), the lower fixed surface of upper end and water pitcher (32) of outlet pipe (3101) is connected, and the inside of the upper end of outlet pipe (3101) and water pitcher (32) is for the intercommunication, solenoid valve (3102) are installed in a side embedding of outlet pipe (3101), and the lower extreme fixed connection of outlet pipe (3101) mixes the water inlet position of machine (2) upper surface.

3. A device for metering batch water by using a differential pressure sensor as claimed in claim 2, wherein: the input end of the PLC (36) is electrically connected with the output end of the differential pressure sensor (33) through a lead, and the output end of the PLC (36) is electrically connected with the input ends of the water pump (34) and the electromagnetic valve (3102) through leads.

4. The apparatus of claim 1, wherein the apparatus further comprises: the utility model discloses a water pitcher, including the below of water pitcher (32) another side fixedly connected with and the outlet (321) that are linked together, and the opposite side upper surface embedding of water pitcher (32) installs motor (322), inlet tube (323) are installed in the embedding of the upper surface intermediate position department of water pitcher (32), the lower extreme of inlet tube (323) is rotated and is connected with conveyer pipe (324), the equal equidistance in surface is connected with shower nozzle (325) that a plurality of and its are linked together around conveyer pipe (324), and the upper end surface of conveyer pipe (324) cup joints and is provided with from gear (329).

5. The apparatus of claim 4, wherein the apparatus further comprises: the output shaft of the motor (322) is fixedly connected with a main gear (3210) corresponding to the slave gear (329), and the main gear (3210) is meshed with the slave gear (329).

6. The apparatus of claim 4, wherein the apparatus further comprises: the surface of conveyer pipe (324) is located and all cup joints from the lower position department of gear (329) and the lower extreme surface of conveyer pipe (324) and is provided with limiting plate (326), two be connected with dead lever (327) between the one end of limiting plate (326) perpendicularly, a side fixedly connected with cleaning brush (328) of dead lever (327), the inner wall contact of one side and water pitcher (32) of cleaning brush (328).

7. A device for metering batch water by using a differential pressure sensor according to any one of claims 1 to 3, characterized in that: the water adding method comprises the following steps:

s1: the water tank (32) is arranged above the water inlet of the mixer (2), as shown in figure 1, when water is added, the water pump (34) pumps outside water into the water conveying pipe (35), and then the water enters the water tank (32) from the water conveying pipe (35);

s2: after water is added into the water tank (32), the pressure difference sensor (33) can detect the pressure condition inside the water tank (32), after the pressure condition is detected, the information is transmitted to the PLC controller (36), the PLC controller (36) can calculate whether the water inside the water tank (32) reaches the required water quantity, when the water inside the water tank (32) reaches the required water quantity, the water tank (32) can stop the water pump (34), and then the electromagnetic valve (3102) on the water outlet pipe (3101) is opened, so that the water is added into the mixing machine (2).

8. The water adding method of the batch water adding device by using the differential pressure sensor as claimed in claim 7, wherein the method comprises the following steps: when the PLC (36) calculates the water quantity in the water tank (32), the calculation formula is

Wherein V is the volume of water, R is the inner radius of the water tank (32), P is the water pressure detected by the differential pressure sensor (33), rho is the density of water, and g is the gravity acceleration.

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