CN208320767U - A kind of reaction kettle weighing device - Google Patents
A kind of reaction kettle weighing device Download PDFInfo
- Publication number
- CN208320767U CN208320767U CN201820617052.7U CN201820617052U CN208320767U CN 208320767 U CN208320767 U CN 208320767U CN 201820617052 U CN201820617052 U CN 201820617052U CN 208320767 U CN208320767 U CN 208320767U
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- CN
- China
- Prior art keywords
- solenoid valve
- reaction kettle
- fine tuning
- pipe
- personal computer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
Abstract
The utility model discloses a kind of reaction kettle weighing devices, including reaction kettle ontology, weighing instrument, electrical control cabinet, industrial personal computer and host computer, the feed pipe with feed pump is provided on the reaction kettle ontology, discharge nozzle and fine tuning pipe, the fine tuning pipe is connected with material pot, in the feed pipe, charging solenoid valve is respectively arranged on discharge nozzle and fine tuning pipe, discharge solenoid valve and fine tuning solenoid valve, the charging solenoid valve, discharging solenoid valve and fine tuning solenoid valve are connected with electrical control cabinet, the weighing instrument is arranged below the reaction kettle ontology, the weighing instrument, electrical control cabinet is connected with the industrial personal computer, the host computer is connected with the industrial personal computer.The utility model simple structure and reasonable design can be avoided the influence measured due to the impact force that charging generates weight of material, improve production efficiency.
Description
Technical field
The utility model relates to reaction kettle apparatus field, specifically a kind of reaction kettle weighing device.
Background technique
Traditional reaction kettle is equipped with feed pipe and discharge pipe, is drawn into raw material by feed pump in weighing process
In reaction kettle, data are transferred to automatic control device by weighing instrument by reaction kettle, and in fill process, but reaction kettle weight reaches
When to setting weight, charging pump motor is closed.Since in fill process, material, which is drawn into reaction kettle, can generate impact force,
The power and pipe diameter of feed pump determine the size of impact force, so automatic control device is in real-time measurement reaction kettle weight
And compared with setting weight, when special reaction kettle weight is close to setting weight, since the presence of impact force will affect the essence of weighing
Degree.In response to this problem, the prior art is improved, first is that by Frequency Converter Control feed pump power of motor, multistage power extraction
Material, power is maximum when beginning, and power minimum reduces impact force with this when close to setting weight；Second is that passing through control feed pipe
Valve opening size reduces impact force.Such method has an improvement to impact force, but cost improve it is very much, can not avoid into
The impact force of final stage, especially large capacity reaction kettle are expected, even if impact force to be reduced to minimum, the rolling of liquid in final stage
The dynamic measurement that also will affect weighing instrument.Ingredients by weight has error, finally will affect the quality of finished product.
Utility model content
The utility model provides a kind of measurement error for adjusting and generating when feeding due to impulse force to solve the above-mentioned problems
Reaction kettle weighing device.
The utility model is achieved through the following technical solutions in order to achieve the above object:
1, the utility model is a kind of reaction kettle weighing device, including reaction kettle ontology, weighing instrument, electrical control cabinet, work
Control machine and host computer are provided with feed pipe, discharge nozzle and fine tuning pipe with feed pump on the reaction kettle ontology, described micro-
It adjusts pipe to be connected with material pot, charging solenoid valve, discharging solenoid valve is respectively arranged on the feed pipe, discharge nozzle and fine tuning pipe
With fine tuning solenoid valve, the charging solenoid valve, discharging solenoid valve and fine tuning solenoid valve are connected with electrical control cabinet, the weighing instrument
Be arranged below the reaction kettle ontology, the weighing instrument, electrical control cabinet are connected with the industrial personal computer, the host computer and
The industrial personal computer is connected.
Further improvement of the utility model is: the weighing instrument passes the several weighings being arranged in the weighing instrument
The data that sensor senses send industrial personal computer to by RS485 communication modes.
2, further improvement of the utility model is: the electrical control cabinet and industrial personal computer are transmitted by ethernet communication
Information.
The beneficial effects of the utility model are: the impact force generated when charging can be slowed down, avoided as far as possible due to impact force
Generated measurement error improves reaction kettle proportioning accuracy and production efficiency.
The utility model simple structure and reasonable design can be avoided the impact force generated due to charging and survey to weight of material
The influence of amount improves production efficiency.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Fig. 2 is PLC electric operation control circuit figure.
Fig. 3 is partial circuit diagram.
Fig. 4 is PC control surface chart.
Wherein: 1- reaction kettle ontology, 2- weighing instrument, 3- electrical control cabinet, 4- feed solenoid valve, 5- discharging solenoid valve, 6-
Finely tune solenoid valve, 7- industrial personal computer, 8- host computer.
Specific embodiment
In order to reinforce the understanding to the utility model, the utility model is made below in conjunction with drawings and examples further
Detailed description, the embodiment be only used for explain the utility model, not to the protection scope of the utility model constitute limit.
As shown in Figs 1-4, the utility model is a kind of reaction kettle weighing device, including reaction kettle ontology 1, weighing instrument 2, electricity
Gas control cabinet 3, industrial personal computer and host computer are provided with the feed pipe with feed pump on the reaction kettle ontology 1, connection discharges
The discharge nozzle and fine tuning pipe of pump, the fine tuning pipe are connected with material pot, set respectively on the feed pipe, discharge nozzle and fine tuning pipe
It is equipped with charging solenoid valve 4, discharging solenoid valve 5 and fine tuning solenoid valve, the charging solenoid valve 4, discharging solenoid valve 5 and fine tuning electromagnetism
Valve 6 is connected with electrical control cabinet 3, and the weighing instrument 2 is arranged below the reaction kettle ontology 1, the weighing instrument 2, electric-controlled
Cabinet 3 processed is connected with the industrial personal computer 7, and the host computer 8 is connected with the industrial personal computer 7, and the weighing instrument 2 will be arranged described
The data that several weighing sensors in weighing instrument 2 sense send industrial personal computer 7 to by RS485 communication modes, described electrical
By ethernet communication transmitting information, the control method of the utility model is (1) in host computer configuration for control cabinet 3 and industrial personal computer 7
Relevant parameter, including material density is arranged in king interface, material density unit is kg/m3, fine tuning pipe diameter, the list of bore
Position is m, finely tunes solenoid valve away from reaction kettle length, unit m, reaction kettle set charge weight M1Unit is kg, feed pump pausesTime, unit min, error transfer factor mass M4, unit kg；
(2) weighing instrument carries out weighing to material in reactor quality and data send industry control to by RS485 communication modes
Machine, the PLC memory in data transmission to electrical control cabinet, PLC calculating is finely tuned out finely tunes the host computer being connected with industrial controlled machine
Pipeline quality, unit kg；PLC reads the real-time weight of reaction kettle, unit kg, reaction kettle ontology and pipe
Quality peeling in weighing instrument in road is handled, and quality measured by weighing instrument is quality of material；
(3) discharging and fine tuning solenoid valve are closed, opens feed pump, the injecting material quality into reaction kettle；
(4) due in fill process material can generate impulse force to reaction kettle, the PLC program in electrical control cabinet determinesWhen, it closes charging pump motor and pausesAfter minute, PLC enters option program；
(5) if, then fine tuning solenoid valve is opened, the material that will exceed is finely tuned into material pot, static measurementWhen, fine tuning solenoid valve is closed, discharging solenoid valve (5) is opened, because the material in fine tuning pipeline is still in the duct, institute
To discharge, quality of material is, meet the requirements；
(6) if, then it is again turned on feed pump, measures and determines in dynamic weighingWhen, close feed pump
And it pausesAfter minute；
(7) PLC enters option program repetition step 5 or step 6, until；
(8) if being found in multiple fill process in practical operation, illustrate during charging that impulse force is excessive and cause practical charging
It is on the low side, cause step 6 often to occur, the PLC program in electrical control cabinet detects that the number of repetition step 6 is more than to warn after 4 times
Report device sounds an alarm, and operator is reminded to be arranged again, extracting quality of material is, increase charging matter
Amount can reduce step 6, or enter step 5；
(9) after blowing, fine tuning solenoid valve is opened, the surplus material finely tuned in pipe is put into material pot；
Industrial personal computer host computer design interface has parameter setting, control mode, automatically controls and manually controls and reaction kettle
Pipeline charging pump motor, discharging pump motor start and stop, and there are also feed solenoid valve, discharging solenoid valve and finely tune solenoid valve
Valve reaches position, closes signal in place, there is material density, fine tuning caliber, trim lengths, steady state time, charging weight in parameter setting
The parameters such as amount and error weight, material density refer to the density of reaction kettle charging, finely tune caliber and trim lengths refer to reaction kettle
The diameter and length of lower right pipeline, steady state time, which refers to, feeds primary reaction kettle liquid after the completion by shaking to smoothly required
Time, charging quality are the actual mass for needing to feed, and error quality is that repeatedly charging occur in alignment error process to need to set
Fixed parameter, default value 0, step-up error mass value can reduce feed error adjustment number, control mode be divided into it is automatic and
Manually, under automatic control mode, after completing parameter setting, start button is clicked, system automatic feed simultaneously completes error transfer factor, hand
Dynamic control can be started and be stopped to feed pump, charging solenoid valve, discharging pump, discharging solenoid valve and fine tuning solenoid valve respectively
Control only, manually controls and automatically controls and be used cooperatively each other, in host computer interface, there is the real-time aobvious of reaction kettle weight
To show, reaching position and closing signal in place, such signal and feed pump and the motor of discharging pump for pipeline has stringent precedence, into
Material solenoid valve reaches position, and charging pump motor could start, and first closes charging pump motor and turns off charging solenoid valve；For discharging electricity
Magnet valve and discharging pump motor are also in this way, discharging pump motor can use according to the actual situation, wherein PLC control circuit is unidirectional
220V voltage is 24V DC voltage after air switch, emergency stop switch to Switching Power Supply convert, and 24V voltage is to PLC and touch screen
Power supply.In the input terminal of PLC, it is respectively connected to hand control switch, automatic control switch, start button, stop button, charging
Pump motor run signal, feed pump motor failure signal, discharging pump motor operation signal, discharging pump motor failure signal, charging
Solenoid valve reach position, charging solenoid valve close in place, discharging solenoid valve reach position, discharging solenoid valve close in place, fine tuning solenoid valve open
In place, fine tuning solenoid valve closes in place；PLC output terminal taps into material pump motor, discharging pump motor, charging solenoid valve, discharging electromagnetism
The control relay of valve and fine tuning solenoid valve.Ethernet communication is used between touch screen and PLC, is connect in the network interface position of PLC；Claim
Weight instrument is communicated using RS485, is connect in the position D+ and D- of PLC.
The utility model simple structure and reasonable design can be avoided the impact force generated due to charging and survey to weight of material
The influence of amount improves production efficiency.
Claims (3)
1. a kind of reaction kettle weighing device, including reaction kettle ontology (1), weighing instrument (2), electrical control cabinet (3), industrial personal computer and on
Position machine, it is characterised in that: be provided with the feed pipe with feed pump on the reaction kettle ontology (1), connect going out for discharging pump
Expects pipe and fine tuning pipe, fine tuning pipe are connected with material pot, the feed pipe, discharge nozzle and finely tuning be respectively arranged on pipe into
Expect solenoid valve (4), discharging solenoid valve (5) and fine tuning solenoid valve, the charging solenoid valve (4), discharging solenoid valve (5) and fine tuning electricity
Magnet valve (6) is connected with electrical control cabinet (3), and weighing instrument (2) setting is below the reaction kettle ontology (1), the weighing
Instrument (2), electrical control cabinet (3) are connected with the industrial personal computer (7), and the host computer (8) is connected with the industrial personal computer (7).
2. a kind of reaction kettle weighing device according to claim 1, it is characterised in that: the weighing instrument (2) will be arranged in institute
It states the data that several weighing sensors in weighing instrument (2) sense and sends industrial personal computer (7) to by RS485 communication modes.
3. a kind of reaction kettle weighing device according to claim 1, it is characterised in that: the electrical control cabinet (3) and industry control
Machine (7) transmits information by ethernet communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820617052.7U CN208320767U (en) | 2018-04-27 | 2018-04-27 | A kind of reaction kettle weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820617052.7U CN208320767U (en) | 2018-04-27 | 2018-04-27 | A kind of reaction kettle weighing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208320767U true CN208320767U (en) | 2019-01-04 |
Family
ID=64778519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820617052.7U Expired - Fee Related CN208320767U (en) | 2018-04-27 | 2018-04-27 | A kind of reaction kettle weighing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208320767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525621A (en) * | 2018-04-27 | 2018-09-14 | 泰州学院 | A kind of reaction kettle weighing device and control method |
-
2018
- 2018-04-27 CN CN201820617052.7U patent/CN208320767U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525621A (en) * | 2018-04-27 | 2018-09-14 | 泰州学院 | A kind of reaction kettle weighing device and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20200427 |