CN201015730Y - Chemical in liquid condition automatically proportioning and adding device - Google Patents
Chemical in liquid condition automatically proportioning and adding device Download PDFInfo
- Publication number
- CN201015730Y CN201015730Y CNU200720066372XU CN200720066372U CN201015730Y CN 201015730 Y CN201015730 Y CN 201015730Y CN U200720066372X U CNU200720066372X U CN U200720066372XU CN 200720066372 U CN200720066372 U CN 200720066372U CN 201015730 Y CN201015730 Y CN 201015730Y
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- pump
- controller
- automatic mixing
- liquid
- detecting unit
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- Control Of Positive-Displacement Pumps (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Accessories For Mixers (AREA)
Abstract
The utility model relates to a chemical feeding device, in particular to an automatic mixing and feeding device for liquid chemical. The device has a quantitative chemical feeding unit(1), a display control detecting unit(2) and external components. Wherein, the quantitative chemical feeding unit(1) consists of a storage tank(11), a filter(12), a pump(13), a relief valve(14), a counterbalance valve(15), a mixer(16) and a pipeline. The display control detecting unit(2) includes such parts connected in series as a sensor(21), a controller(22) and a transducer(23). The transducer can drive the pump. The controller in the display control detecting unit is a PLC controller connected with a touch screen(24) which has the functions of status display and programme. Generally, the utility model has the advantages of high reliability, low fault rate and easy operation.
Description
Technical field
The utility model relates to the chemicals throwing device, relates in particular to a kind of liquid chemicals throwing device.
Background technology
In chemical industry, pharmacy, water treatment and casting field, the accurate proportioning mode of online liquid chemicals is widely used.Because dependent variable, parameter and technology is complicated and changeable, originally by manually manual operation by rule of thumb, chemicals is difficult to add in strict accordance with the proportioning of theory, so people begin to develop the automatic mixing throwing device.
Chinese invention patent ZL02151519.0 discloses the curing agent interpolation that a kind of curing agent auto-controller is used for controlling casting process, it comprises that former switch board panel is provided with various indicating devices and switch, inside is provided with center processing circuit and control piper, and the outer continuous cropping of this controller is for connecing storage device curing agent jar and annex thereof; Inner center processing circuit comprises sand temperature processor, CPU processor and frequency converter, and sand temperature processor is connected with the sand temperature sensor, and its output connects the CPU processor, and the CPU processor sends instruction and controls each pump by above-mentioned frequency converter.The indicating device of this controller all is an indicator lamp, shows after single, CPU handling procedure is implanted in advance to revise in real time, and it is cumbersome to revise operation, and flexibility and versatility are not strong; And, only can adapt to specific process conditions owing to can't realize the flexible setting of technological parameter, can't be suitable for the proportioning demand of different industries to the different component chemicals.
Summary of the invention
The utility model is intended to address the above problem, and a kind of liquid chemicals automatic mixing throwing device is provided.The utility model can carry out the adjustment and pump and each the parts running status of showing directly perceived of handling procedure neatly according to different technological parameter situations, reaches accurate proportioning.
The utility model is achieved in that a kind of liquid chemicals automatic mixing throwing device, it comprises that chemicals quantitatively adds the unit, show control detecting unit and external component, described chemicals quantitatively adds the unit and comprises liquid container, filter, pump, relief valve, counterbalance valve, mixture control and pipeline, described demonstration control detecting unit comprises the process detecting sensor that connects successively, controller, display operation device and frequency converter, and drive described pump by described frequency converter, it is characterized in that, the controller of described demonstration control detecting unit is the PLC controller, this controller also is connected with a display operation device, it is characterized in that described display operation device shows for the collection state, programing function is in the touch-screen of one.
Described liquid chemicals automatic mixing throwing device, described controller are technical grade PLC controller; Described display operation device is the touch-screen that integrates state demonstration, programing function; Described sensor is process variable sensors such as temperature, flow.
Described liquid chemicals automatic mixing adds to add to be put, and described demonstration control detecting unit comprises that also one the one end connection procedure rate-of-change sensor other end connects the input/output interface circuit of PLC controller.
Described liquid chemicals automatic mixing throwing device, described chemicals adds the unit and also comprises a damper, the liquid outlet that described filter is installed between liquid container and the described pump, described counterbalance valve is directly installed on pump, described damper connects the pipeline of pump discharge.
Described liquid chemicals automatic mixing throwing device, described pipeline are the plastic flexible pipes that is connected by snap joint.
Described liquid chemicals automatic mixing throwing device, described damper is the pulse damper that has observation window, described pump is quantitative displacement pump.
Described liquid chemicals automatic mixing throwing device, described mixture control comprise that blender and automatically controlled injection end.
The utility model has adopted the PLC controller, can pass through the touch-screen input control program, and is easy to operate, and utilizes touch-screen to show various states, very directly perceived.Owing to selected quantitative displacement pump for use, make quantitative proportion speed height, on-line tracing is regulated more accurate; In order to eliminate the pulsating flow that the reciprocal measuring pump of positive displacement produces, ripple damper has been installed in pipeline, be used for eliminating pulsation, regime flow.
Description of drawings
Below, provide the specific embodiment of the present utility model in conjunction with the accompanying drawings:
Fig. 1 is the control principle block diagram that adds of the present utility model.
The specific embodiment
As shown in Figure 1: a kind of liquid chemicals automatic mixing throwing device, it comprises that chemicals quantitatively adds unit 1, shows control detecting unit 2 and external component,
Described chemicals quantitatively adds unit 1 and comprises storage tank 11, filter 12, pump 13, pressure-relief valve 14, counterbalance valve 15, blender 16 and pipeline, and wherein, present embodiment adopts quantitative displacement pump;
Described demonstration control detecting unit 2 comprises sensor 21, controller 22 and the frequency converter 23 that connects successively, and by the described pump 13 of described frequency converter 23 drivings, the controller 22 of described demonstration control detecting unit 2 is a technical grade PLC controller, and this controller 22 also is connected with a touch-screen 24 that integrates state demonstration, programing function; In the present embodiment, described sensor is process variable sensors such as 21 temperature, flow.Can see also among the figure that described demonstration control detecting unit comprises that also one one end connects the input/output interface circuit 25 that sensor 21 other ends connect PLC controller 22.
Described chemicals adds unit 1 and also comprises a damper 17, the liquid outlet that described filter 12 is installed between liquid container 11 and the pump 13, described counterbalance valve 15 is directly installed on pump 13, described damper 17 is for having the pulse damper of observation window, and it connects the pipeline of pump discharge.
The described pipeline of present embodiment is the plastic flexible pipe that is connected by snap joint.
Operation principle of the present utility model is: PLC controller 22 is according to the reaction time (as hardening time) of process variables such as process variable sensor 21 online detected real medium temperature, technological requirement and correction factor control frequency converter 23 after checking automatically of setting, frequency converter 23 directly removes to control the dosage of displacement pump 13, and frequency converter 13 feeds back signal to PLC controller 22 simultaneously.Touch-screen 24 has advantages such as reliability height, fault rate is low, operation is more directly perceived in the functions such as demonstration that participate in also possessing when control is set process variables, duty and running parameters such as flow, temperature.
Claims (7)
1. liquid chemicals automatic mixing throwing device, it comprises that chemicals quantitatively adds the unit, show control detecting unit and external component, described chemicals quantitatively adds the unit and comprises liquid container, filter, pump, relief valve, counterbalance valve, mixture control and pipeline, described demonstration control detecting unit comprises the process detecting sensor that connects successively, controller, display operation device and frequency converter, and drive described pump by described frequency converter, it is characterized in that, the controller of described demonstration control detecting unit is the PLC controller, this controller also is connected with a display operation device, and described display operation device shows for the collection state, programing function is in the touch-screen of one.
2. liquid chemicals automatic mixing throwing device according to claim 1 is characterized in that, described controller is a technical grade PLC controller; Described display operation device is the touch-screen that integrates state demonstration, programing function; Described sensor is a process variable sensor.
3. liquid chemicals automatic mixing throwing device according to claim 1 and 2 is characterized in that, described demonstration control detecting unit comprises that also one the one end connection procedure rate-of-change sensor other end connects the input/output interface circuit of PLC controller.
4. liquid chemicals automatic mixing throwing device according to claim 1, it is characterized in that, described chemicals adds the unit and also comprises a damper, the liquid outlet that described filter is installed between liquid container and the pump, described counterbalance valve is directly installed on pump, described damper connects the pipeline of pump discharge.
5. liquid chemicals automatic mixing according to claim 1 adds to add to be put, and it is characterized in that, described pipeline is the plastic flexible pipe that is connected by snap joint.
6. liquid chemicals automatic mixing throwing device according to claim 3 is characterized in that described damper is the pulse damper that has observation window, and described pump is quantitative displacement pump.
7. liquid chemicals automatic mixing feeding device according to claim 1 and 2 is characterized in that, described mixture control comprises blender and automatically controlled injection stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720066372XU CN201015730Y (en) | 2007-01-16 | 2007-01-16 | Chemical in liquid condition automatically proportioning and adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720066372XU CN201015730Y (en) | 2007-01-16 | 2007-01-16 | Chemical in liquid condition automatically proportioning and adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201015730Y true CN201015730Y (en) | 2008-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720066372XU Expired - Lifetime CN201015730Y (en) | 2007-01-16 | 2007-01-16 | Chemical in liquid condition automatically proportioning and adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201015730Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103446900A (en) * | 2013-08-27 | 2013-12-18 | 山西丰喜新能源开发有限公司 | Industrial automatic quantitative liquid product production blending system |
| CN106391148A (en) * | 2016-11-23 | 2017-02-15 | 淮南矿业(集团)有限责任公司 | Acid/base system unit of refining-treatment regeneration system and acid/base dilution method |
-
2007
- 2007-01-16 CN CNU200720066372XU patent/CN201015730Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103446900A (en) * | 2013-08-27 | 2013-12-18 | 山西丰喜新能源开发有限公司 | Industrial automatic quantitative liquid product production blending system |
| CN103446900B (en) * | 2013-08-27 | 2017-05-03 | 运城学院 | Industrial automatic quantitative liquid product production blending system |
| CN106391148A (en) * | 2016-11-23 | 2017-02-15 | 淮南矿业(集团)有限责任公司 | Acid/base system unit of refining-treatment regeneration system and acid/base dilution method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080206 |
|
| EXPY | Termination of patent right or utility model |