CN206838026U - A kind of polymeric kettle two level constant pressure feeding system of non-constant pressure reaction - Google Patents
A kind of polymeric kettle two level constant pressure feeding system of non-constant pressure reaction Download PDFInfo
- Publication number
- CN206838026U CN206838026U CN201720692644.0U CN201720692644U CN206838026U CN 206838026 U CN206838026 U CN 206838026U CN 201720692644 U CN201720692644 U CN 201720692644U CN 206838026 U CN206838026 U CN 206838026U
- Authority
- CN
- China
- Prior art keywords
- constant pressure
- polymeric kettle
- regulating
- flow control
- regulating valve
- 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.)
- Active
Links
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
The utility model discloses a kind of polymeric kettle two level constant pressure feeding system of non-constant pressure reaction, the feed main line pipe is provided with DSC control systems, the regulating valve is connected with pressure transmitter with DSC control systems, the flow is calculated as mass flowmenter, accurate measurement accuracy can be maintained for a long time, the system sets constant pressure operating mode before and after flow control system, improve the stability of flow control system output flow, particularly with the distribution of feed Trunk Line and the feeding system of multiple polymeric kettles, stablizing effect is more obvious, the polymeric kettle two level constant pressure feeding system of the non-constant pressure reaction has stability height, the advantages of being at the uniform velocity fed, with wide market prospects.
Description
Technical field
Mechanical field is the utility model is related to, more particularly to a kind of polymeric kettle two level constant pressure feed system of non-constant pressure reaction
System.
Background technology
Pressure is not constant in the different phase kettle of intermittent polyreaction course of reaction, but feed needs are added dropwise at the uniform velocity
Feed.The change of pressure influences whether the stable output of flow control system in kettle.But most of designs are not deep into this layer
It is secondary.For process because it has the characteristics that time-varying, non-linear, reaction mechanism is complicated, its control problem is always process control circle tool
One of challenging research topic.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of polymeric kettle two level constant pressure feed of non-constant pressure reaction
System is to solve caused unstable, the uneven multinomial defect of charging in the prior art.
To achieve the above object, the utility model provides following technical scheme：A kind of polymeric kettle two of non-constant pressure reaction
Level constant pressure feeding system includes feed main line pipe, constant pressure regulating system, flow control system and polymeric kettle, the constant pressure regulation system
System is divided into the first constant pressure regulating system and the second constant pressure regulating system, and the first constant pressure regulating system is positioned at feed Trunk Line
On, the second constant pressure regulating system is between flow control system and polymeric kettle；First constant pressure regulating system includes first
Regulating valve and first pressure transmitter, the first regulating valve are connected with first pressure transmitter, and the second constant pressure regulating system includes the
Three regulating valves and second pressure transmitter, the 3rd regulating valve are connected with second pressure transmitter；The flow control system includes
Second regulating valve and flowmeter, the flowmeter are connected with the second regulating valve.
Preferably, the feed main line pipe is provided with DSC control systems.
Preferably, the regulating valve is connected with pressure transmitter with DSC control systems.
Preferably, the flow is calculated as mass flowmenter.
Beneficial effect using above technical scheme is：The utility model discloses a kind of polymeric kettle two of non-constant pressure reaction
Level constant pressure feeding system, the feed main line pipe are provided with DSC control systems, and the regulating valve is controlled with pressure transmitter and DSC
System processed is connected, and the flow is calculated as mass flowmenter, can maintain accurate measurement accuracy for a long time, the system is in flow control
The front and rear stability that constant pressure operating mode is set, improves flow control system output flow of system processed, particularly with feed Trunk Line
Distribution and the feeding system of multiple polymeric kettles, stablizing effect is more obvious, the polymeric kettle two level constant pressure feed of the non-constant pressure reaction
System has the advantages of stability is high, is at the uniform velocity fed, and has wide market prospects.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the logic relation picture of DSC control systems.
Wherein, 1- is fed main line pipe, 2- flow control systems, 3- polymeric kettles, the regulating valves of 41- first, 42- second and adjusted
Valve, the regulating valves of 43- the 3rd, 5- first pressures transmitter, 6- flowmeters, the first constant pressures of 7- regulating system, the regulation of the constant pressures of 8- second
System, 9- second pressure transmitters.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with the accompanying drawings.
Fig. 1 shows specific embodiment of the present utility model：A kind of polymeric kettle two level constant pressure feed system of non-constant pressure reaction
System includes feed main line pipe 1, constant pressure regulating system, flow control system 2 and polymeric kettle 3, and the constant pressure regulating system is divided into the
One constant pressure regulating system 7 and the second constant pressure regulating system 8, the first constant pressure regulating system 7 is on feed Trunk Line 1, institute
The second constant pressure regulating system 8 is stated between flow control system 2 and polymeric kettle 3, the first constant pressure regulating system 7 includes first and adjusted
Section valve 41 and first pressure transmitter 5, the first regulating valve 41 are connected with pressure transmitter 5, and the second constant pressure regulating system 8 includes the
Three regulating valves 43 and second pressure transmitter 9, the 3rd regulating valve 43 are connected with second pressure transmitter 9, the flow control system
System 2 includes the second regulating valve 42 and flowmeter 6, and the flowmeter 6 is connected with the second regulating valve 42.
In addition shown in Fig. 2, the constant pressure regulating system is controlled by DSC control systems, first regulating valve 41 and first
Pressure transmitter 5 is connected with DSC control systems, and Isobarically Control is carried out to the feed Trunk Line 1 before flow control system 2；It is described
3rd regulating valve 43 is connected with second pressure transmitter 9 with DSC control systems, and the discharging pipeline after flow control system 2 is entered
Row Isobarically Control.
Embodiment：It is chain automatic by DCS between first regulating valve or the 3rd regulating valve and pressure transmitter
Change system controls, when the system is run, after DCS receives pressure transmitter feedback signal, according to buckling feedback signal and setting
Value contrast, send and adjust valve regulation instruction.By the regulation of regulating valve valve opening, realize that manifold pressure is constant.
First constant-voltage system adjusts the regulating valve of Trunk Line first to the manifold pressure between flow control system, ensures stream
The charging of amount control system is steady working condition, is easy to flow control stable.
Flow control system detects flow by mass flowmenter, and DCS controls the change of the second control valve opening so that stream
Amount output is consistent with formula sets requirement.
Second constant-voltage system adjusts flow control system to the manifold pressure between the 3rd regulating valve, ensures flow control
The discharging of system is steady working condition, is easy to flow control stable.
First constant-voltage system provides stable pressure, reduces the pressure oscillation of flow control system import；In flow control
Second level constant pressure regulating system after system processed, it ensure that the pressure stability of flow control system outlet.
The utility model discloses a kind of polymeric kettle two level constant pressure feeding system of non-constant pressure reaction, the feed main line pipe
DSC control systems are provided with, the regulating valve is connected with pressure transmitter with DSC control systems, and the flow is calculated as quality stream
Gauge, can maintain accurate measurement accuracy for a long time, and the system sets constant pressure operating mode before and after flow control system, improved
The stability of flow control system output flow, the feeding system with multiple polymeric kettles is distributed particularly with feed Trunk Line, surely
Determine that effect is more obvious, the polymeric kettle two level constant pressure feeding system of non-constant pressure reaction has that stability is high, it is excellent to be at the uniform velocity fed
Point, there are wide market prospects.
Above-described is only preferred embodiment of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (4)
1. a kind of polymeric kettle two level constant pressure feeding system of non-constant pressure reaction, it is characterised in that adjusted including feed main line pipe, constant pressure
Section system, flow control system and polymeric kettle, the constant pressure regulating system is divided into the first constant pressure regulating system and the second constant pressure is adjusted
Section system, for the first constant pressure regulating system on feed Trunk Line, the second constant pressure regulating system is located at flow control
Between system and polymeric kettle；First constant pressure regulating system includes the first regulating valve and first pressure transmitter, the first regulating valve with
First pressure transmitter is connected, and the second constant pressure regulating system includes the 3rd regulating valve and second pressure transmitter, the 3rd regulating valve
It is connected with second pressure transmitter；The flow control system includes the second regulating valve and flowmeter, the flowmeter and second
Regulating valve is connected.
2. the polymeric kettle two level constant pressure feeding system of non-constant pressure reaction according to claim 1, it is characterised in that the confession
Material main line pipe is provided with DSC control systems.
3. the polymeric kettle two level constant pressure feeding system of non-constant pressure reaction according to claim 1, it is characterised in that the tune
Section valve is connected with pressure transmitter with DSC control systems.
4. the polymeric kettle two level constant pressure feeding system of non-constant pressure reaction according to claim 1, it is characterised in that the stream
Amount is calculated as quality low.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720692644.0U CN206838026U (en) | 2017-06-15 | 2017-06-15 | A kind of polymeric kettle two level constant pressure feeding system of non-constant pressure reaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720692644.0U CN206838026U (en) | 2017-06-15 | 2017-06-15 | A kind of polymeric kettle two level constant pressure feeding system of non-constant pressure reaction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206838026U true CN206838026U (en) | 2018-01-05 |
Family
ID=60800231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720692644.0U Active CN206838026U (en) | 2017-06-15 | 2017-06-15 | A kind of polymeric kettle two level constant pressure feeding system of non-constant pressure reaction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206838026U (en) |
-
2017
- 2017-06-15 CN CN201720692644.0U patent/CN206838026U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104906677A (en) | Flow control module capable of automatically correcting valve opening | |
| CN101921886B (en) | Method for controlling coal injecting rate of blast furnace | |
| CN204425990U (en) | The venturi tube fertilising device of adjustable concentration | |
| CN107287372B (en) | A kind of method of blast furnace throat radial coke power load distributing | |
| CN202222222U (en) | Multistage distributed type constant-pressure irrigation system | |
| CN210236436U (en) | Dynamic energy-saving control system for motor frequency of wind power feeding system | |
| CN206838026U (en) | A kind of polymeric kettle two level constant pressure feeding system of non-constant pressure reaction | |
| CN202864313U (en) | High precision powder ingredients supply system | |
| CN102499020A (en) | Multilevel distribution type constant pressure irrigation system | |
| CN205581662U (en) | Accurate high position medicine system of flowing automatically | |
| CN208245098U (en) | It is precisely controlled the feeding device of flow and assembles the coating apparatus of the device | |
| CN204523352U (en) | Bed spray control system | |
| CN101994906A (en) | Flow stabilizing device | |
| CN108427443A (en) | High Precision Automatic aeration device and automatic oxygenation method | |
| CN202252208U (en) | Waterflow servo valve used for constant pressure | |
| CN203648498U (en) | Balanced flow proportion dosing device | |
| CN204471849U (en) | A kind of dedicated extruder group for the production of diameter changeable pipe material | |
| CN204798573U (en) | Ability automatic correction valve opening's flow control module | |
| CN109348805B (en) | Uniform fertilizer distributor and control system | |
| CN205998656U (en) | Air conveying automatic formulation equipment in high precision | |
| CN204176335U (en) | Compressed oxygen pipeline network regulation device in empty point | |
| CN205056940U (en) | Casting is with clay sand processing system sand temperature automatic regulating apparatus | |
| CN104671640B (en) | Mechanism of I. S. Machine fuse air-path control system | |
| CN202072746U (en) | Feeding device for accurately controlling titanium tetrachloride of titanium reduction-distillation furnace | |
| CN202011899U (en) | Accuracy control device for charging titanium tetrachloride in titanium reducing and distilling furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 061100 No. 3, Tianjin Avenue, West District, Cangzhou Lingang Economic and Technological Development Zone, Cangzhou City, Hebei Province Patentee after: HEBEI HAOZE CHEMICAL Co.,Ltd. Address before: 061100 south of chemical Avenue and east of Jingsi Road, West District, Cangzhou Lingang Economic and Technological Development Zone, Cangzhou City, Hebei Province Patentee before: HEBEI HAOZE CHEMICAL Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |