CN207430230U - Emulsify automatic watering control device - Google Patents

Abstract

A kind of emulsification automatic watering control device disclosed in the utility model, including resin kettle, finished product kettle, resin pump, pure water pump, resin stream gauge, resin moderated valve, pure water regulating valve, pure water flowmeter, pure water slot and control device.The automatic watering control device is the instantaneous velocity for taking resin stream gauge, the special control program of ratio is done on this basis, resin moderated valve opening and pure water control valve opening are controlled respectively through PID arithmetic output two paths of signals, achieve the purpose that resin, pure water are mixed according to the ratio of technological requirement.Pure water flow velocity is measured in pure water pipeline installation flow meters simultaneously and add water inventory, and be used as by the whole records of DCS with reference to foundation.The emulsification automatic watering control device has the characteristics that response is fast, with high accuracy, while facilitates tracking.

Description

Emulsify automatic watering control device

Technical field

The utility model is related to field of chemical equipment, more particularly to a kind of emulsification automatic watering control device.

Background technology

Emulsification plus hydraulic art are using pure manual operation at present, i.e., artificial observation resin flow pulls control pure water manually The hand valve of flow so that the flow rates that pure water flow velocity is needed in technique, until emulsion process terminates.There are following disadvantages for this method End：

1st, low-response, completely manually controlling opening of valve, when resin flow rate fluctuates, pure water flow velocity can not be timely It follows；

2nd, field device disperses, and is full manual operations, and complex steps are also easy to produce maloperation；

3rd, entire emulsion process needs manually whole on duty, waste of manpower.

For above-mentioned deficiency of the prior art, the utility model proposes a kind of emulsification automatic watering control devices.

The content of the invention

The utility model is to solve above-mentioned technical problem and the technical solution adopted is that provide a kind of emulsification automatic watering control Device processed, the device have the characteristics that quickly tracking and it is high-precision, can to avoid maloperation and labor-saving feature, wherein, Specific technical solution is：Including resin transfer device, pure water conveying device, resin, pure water proportion mixer, the resin is defeated Device is sent to include resin Fu, the pure water conveying device includes pure water slot, and the resin, pure water proportion mixer include static state Mixer, the resin transfer device, pure water conveying device, resin, pure water proportion mixer are static mixed by pipeline connection Clutch, the static mixer connect finished product Fu by pipeline.

Above-mentioned emulsification automatic watering control device, wherein：The resin Fu is 2, in the discharge pipe of 2 resin kettles Pneumatic discharging valve is installed, the pneumatic discharging valve is controlled with DCS logical interlocks, i.e., one of valve opening while another Valve is closed, and prevention misplaces material；Equipped with a gear pump on discharge pipe, the motor of gear pump is frequency control, start and stop and Rotating speed is controlled by DCS.

Above-mentioned emulsification automatic watering control device, wherein：The pure water slot outlet conduit equipped with pure water from Heart pump, the pure water centrifugal pump are frequency control, and start and stop and rotating speed are controlled by DCS.

Above-mentioned emulsification automatic watering control device, wherein：One oval gear flowmeter is housed on resin outlet pipeline, Oval gear flowmeter takes the instantaneous velocity signal of resin outlet pipeline, enters Ratio control dedicated program through I/O modules, passes through 2 road signals are generated after central processing unit computing and control resin and pure water control valve opening respectively through I/O modules.

Above-mentioned emulsification automatic watering control device, wherein：Control device is further included, the control device includes man-machine friendship Mutual equipment, distributed process control station, the human-computer interaction device are connected with distributed process control station, the distributed process The I/O input modules of control station are connected with flowmeter, and the I/O output modules of distributed process control station are connected with regulating valve.

Above-mentioned emulsification automatic watering control device, wherein：The distributed process control station includes central processor CPU With I/O modules, there are several I/O passages in an I/O module, the input channel of the I/O modules is connected with flowmeter, the I/ The output channel of O module is connected with regulating valve.

Above-mentioned emulsification automatic watering control device, wherein：The human-computer interaction device includes engineer station, operator It stands, history station and operating office.

Above-mentioned emulsification automatic watering control device, wherein：Intersection's setting y-type filter of two resin Fu, two Resin Fu be respectively seven tons neutralize resin Fu and nine tons neutralize resin Fu, two finished product Fu for 17 tons of finished product Fu and 15 tons into Product Fu.

The utility model has the advantages that compared with the prior art：In embodiment provided by the utility model Automatic watering control device is emulsified, the function that quick response follows automatically is realized, substantially increases the precision of emulsion process, Sound assurance is provided for the quality of product.

Description of the drawings

Fig. 1 is a kind of structure diagram for emulsifying automatic watering control device provided by the utility model.

In figure：

1 resin Fu, 2 pneumatic discharging valves, 3 pure water slot, 4 pure water centrifugal pump 5Y type filters, 6 plastic gear pumps 7 resins Control 11 finished product Fu of pneumatic operated valve 8 static mixer, 9 mulser, 10 magnetic drive pump, 12 conduction oil control points.

Specific embodiment

The utility model provide it is a kind of emulsification automatic watering control device, including resin transfer device, pure water conveying device, Resin, pure water proportion mixer, the resin transfer device include resin Fu 1, and the pure water conveying device includes pure water slot 3, the resin, pure water proportion mixer include static mixer 8, the resin transfer device, pure water conveying device, tree Fat, pure water proportion mixer connect static mixer 8 by pipeline, and the static mixer 8 connects finished product Fu by pipeline 11。

The resin Fu 1 is 2, in the discharge pipe installation pneumatic discharging valve 2 of 2 resin kettles 1, the pneumatic discharging valve 2 control with DCS logical interlocks, i.e., another valve is closed while one of valve is opened, and prevention misplaces material；It is discharging Equipped with a gear pump on pipeline, the motor of gear pump is frequency control, and start and stop and rotating speed are controlled by DCS.

One pure water centrifugal pump 4 is housed in the outlet conduit of the pure water slot 3, the pure water centrifugal pump 4 is frequency control, Its start and stop and rotating speed are controlled by DCS.

Equipped with oval gear flowmeter for detecting resin flow rate on pitch tube road, DCS gather resin flow rate signal into Row Ratio control so that resin, the proportional relation of flow velocity of two kinds of materials of pure water, so as to achieve the purpose that mix in proportion.Its In, regulating valve is preferably pneumatic control valve 2, and flowmeter is preferably oval gear flowmeter according to the material characteristic of resin.

In some embodiments, the baiting valve of two resin kettles interlocks each other in DCS programs, prevents from adding wrong material It happens, these operating procedures can be recorded in the operation note of DCS, facilitate later track of issues.

In some embodiments, material-handling pump, that is, plastic gear pump 6 and pure water centrifugal pump 4 use frequency control, Frequency is set in human-computer interaction interface HMI and performs startup, stopping, while DCS record operating procedures and motor operation frequency.

In some embodiments, it is special to include human-computer interaction device HMI, distributed process control station, ratio for control device With control program.The human-computer interaction device is connected with distributed process control station, the input channel and flow of the I/O modules Meter, baiting valve information transmitter are connected, and the output channel of the I/O modules is connected with regulating valve, baiting valve and material-handling pump.At this In scheme, operator sets flow velocity SP in human-computer interaction device, when the present apparatus starts, resin, pure water flow velocity PV according to than It is worth automatic tracking fixed valure SP, this process, CPU is gathered the material flow signal of flowmeter by I/O input channels, transported through PID It calculates output one and is worth 2 passages exported using two output signals of ratio computing generation by I/O respectively to resin moderated Valve and pure water regulating valve are to control their aperture.When flow velocity PV is less than setting value SP, signal that I/O output channels are sent So that control valve opening increases, on the contrary then aperture reduces to track SP values.Meanwhile operator is set in human-computer interaction device Accumulation of material amount SUM, at this time system calculate dropwise addition total amount automatically, and compared with the setting value of SUM, as SUM and its setting value phase Regulating valve is automatically closed whens waiting, and completes emulsion process.

In some embodiments, distributed process control station includes CPU（Central processing unit）With I/O modules, an I/O There are several I/O passages and switching value point in module, the input channel of the I/O modules is connected with flowmeter, On-off signal point It is connected with the information transmitter of baiting valve, the output channel of the I/O modules is connected with regulating valve, and output switch parameter point drives with baiting valve Dynamic commands relays coil is connected.Central processing unit carries out computing by PID modules and Ratio control module.

In some embodiments, human-computer interaction device includes engineer station, operator station, history station and operating office.Its Middle engineer station, operator station, history station and operating office pass through the center of network communication system and distributed process control station Processor carries out data transmission.

With reference to Figure of description, the utility model is described in more detail.

As shown in Figure 1, emulsification automatic watering control device, including resin kettle 1, finished product kettle 11, control device, pitch tube Road, pure water pipeline, wherein HVK1001, HVK1002 and M01 form resin transfer part, and M02 is pure water transport portion, FIC001, FV1001 and FV1002 form resin, pure water flow control and ratio mixing.

In order to prevent material mistake, HVK1001 and HVK1002 is added to form logical interlock in DCS.

In order to ensure the steady of control, plastic gear pump M01 and pure water centrifugal pump M02 can be set in human-computer interaction interface Operating frequency and startup stop.

Control device includes human-computer interaction device, distributed process control station, the special control program of ratio, the man-machine friendship Mutual equipment is connected with distributed process control station, the I/O input cards and flowmeter FIC001, baiting valve HVK1001, HVK1002 information transmitters are connected, I/O input cards be distributed process control station input terminal, the distributed process control station Output terminal export fastener for I/O, it is with regulating valve FV1001, FV1002, plastic gear pump, the enabled instruction of pure water centrifugal pump Relay coil is connected.

Human-computer interaction device includes engineer station, operator station, history station and operating office.It can be with the logic control between equipment System and to display picture be modified, the start and stop of remote control field device, record it is all detection data, realize distributed process The functions such as the information exchange between control station and external system.

In certain case study on implementation, middle control operator sets the setting value SP of flow velocity in operator station and total amount SUM is added dropwise, when After system starts, central processor CPU gathers flowmeter FIC1001 signals by I/O input modules FM148A and does ratio with SP Compared with carrying out that corresponding value is calculated with PID, draw 2 signals through I/O output modules FM151A using ratio computing It is converted into 4 ~ 20mA current signals and gives regulating valve FV1001 and FV1002, to control its aperture.When the signal of FM148A acquisitions is big When SP, PID output valves reduce, and corresponding control valve opening reduces, on the contrary then increase.So SP values are tracked to reach repeatedly.Together When, system calculates total amount automatically, and compared with the setting value of SUM, and 2 regulating valves are closed automatically when SUM is equal with its setting value It closes, completes emulsion process.

Emulsification automatic watering control device in embodiment provided by the utility model, realize quick response automatically with With function, substantially increase the precision of emulsion process.Sound assurance is provided for the quality of product.

Although the utility model is disclosed as above with preferred embodiment, so it is not limited to the utility model, any Those skilled in the art, without departing from the spirit and scope of the utility model, when can make a little modification and it is perfect, therefore this The protection domain of utility model, which is worked as, is subject to what claims were defined.

Claims (8)

1. a kind of emulsification automatic watering control device, it is characterised in that：Including resin transfer device, pure water conveying device, resin, Pure water proportion mixer, the resin transfer device include resin Fu, and the pure water conveying device includes pure water slot, the tree Fat, pure water proportion mixer include static mixer, the resin transfer device, pure water conveying device, resin, pure water ratio Mixing arrangement connects static mixer by pipeline, and the static mixer connects finished product Fu by pipeline.

2. emulsification automatic watering control device as described in claim 1, it is characterised in that：The resin Fu is 2, at 2 The discharge pipe installation pneumatic discharging valve of resin kettle, the pneumatic discharging valve are controlled with DCS logical interlocks, i.e., one of valve Another valve is closed while opening, and prevention misplaces material；It is equipped with a gear pump, the motor of gear pump on discharge pipe Frequency control, start and stop and rotating speed are controlled by DCS.

3. emulsification automatic watering control device as claimed in claim 2, it is characterised in that：In the outlet conduit of the pure water slot Equipped with a pure water centrifugal pump, the pure water centrifugal pump is frequency control, and start and stop and rotating speed are controlled by DCS.

4. emulsification automatic watering control device as claimed in claim 3, it is characterised in that：One is equipped on resin outlet pipeline Oval gear flowmeter, oval gear flowmeter take the instantaneous velocity signal of resin outlet pipeline, enter ratio control through I/O modules Dedicated program processed controls resin and pure water regulating valve to open respectively by generating 2 road signals after central processing unit computing through I/O modules Degree.

5. emulsification automatic watering control device as claimed in claim 4, it is characterised in that：Further include control device, the control Device processed includes human-computer interaction device, distributed process control station, the human-computer interaction device and distributed process control station phase Even, the I/O input modules of the distributed process control station are connected with flowmeter, the I/O output moulds of distributed process control station Block is connected with regulating valve.

6. emulsification automatic watering control device as claimed in claim 5, it is characterised in that：The distributed process control station bag Central processor CPU and I/O modules are included, there is several I/O passages, the input channel and stream of the I/O modules in an I/O module Gauge is connected, and the output channel of the I/O modules is connected with regulating valve.

7. emulsification automatic watering control device as claimed in claim 6, it is characterised in that：The human-computer interaction device includes work Cheng Shizhan, operator station, history station and operating office.

8. emulsification automatic watering control device as claimed in claim 7, it is characterised in that：The intersection of two resin Fu is set Y-type filter, two resin Fu be respectively seven tons neutralize resin Fu and nine tons neutralize resin Fu, two finished product Fu for 17 tons into Product Fu and 15 tons of finished product Fu.