CN206746504U - Initiator charging essence control device - Google Patents

Initiator charging essence control device Download PDF

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Publication number
CN206746504U
CN206746504U CN201720483764.XU CN201720483764U CN206746504U CN 206746504 U CN206746504 U CN 206746504U CN 201720483764 U CN201720483764 U CN 201720483764U CN 206746504 U CN206746504 U CN 206746504U
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China
Prior art keywords
tank
initiator
gravimetric tank
gravimetric
measuring pump
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Active
Application number
CN201720483764.XU
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Chinese (zh)
Inventor
肖正君
罗云
陈洪
邓敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yibin Tianyuan Group Co Ltd
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Yibin Tianyuan Group Co Ltd
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Priority to CN201720483764.XU priority Critical patent/CN206746504U/en
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Abstract

It the utility model is related to polyvinyl chloride synthesis technical field,Disclose a kind of initiator charging essence control device,Including initiator storage tank,The gravimetric tank connected with initiator reservoir bottom,Gravimetric tank connects polymeric kettle,Measuring pump is also associated with initiator storage tank,The measuring pump other end is connected on gravimetric tank,The first normally opened control valve is provided between measuring pump and gravimetric tank,The second control valve is provided between gravimetric tank and initiator storage tank,Gravimetric tank is connected to form control bypass with initiator storage tank,Charging is carried out in two steps every time,Measuring pump first adds 4kg initiators to gravimetric tank,Again the 4kg initiators are added from gravimetric tank to polymeric kettle,Gravimetric tank is compared by control room and measuring pump is actually added into the amount of initiator and 4kg deviation,If deviation is in 0.1kg,Open bypass valve and last addition programs are completed by gravimetric tank;If deviation is more than 0.1kg, then by operative employee's site inspection and remaining addition programs are accomplished manually, and notify instrument personnel to correct gravimetric tank immediately.

Description

Initiator charging essence control device
Technical field
Polyvinyl chloride synthesis technical field is the utility model is related to, especially a kind of initiator charging essence control device.
Background technology
It is to influence life all the time that substance law, which produces the accuracy that more severe heat transfer problem causes its initiator to use, One important factor of production.The initiator feed postition of industry universal is measured by gravimetric tank at present.Through actual life Verified in production, gravimetric tank easily produces error because of many factors, such as floor vibrations, cause wind-force because factory building is unclosed The influence of influence, vomit pipe and the factors such as tank connected flexible pipe deformation or aging of weighing.It is generally found gravimetric tank and deviation occurs It is after finding that reaction is fluctuated, is just found when investigation in turn, but because this problem is to life Production causes influence.As comparing in two kinds of metering methods, the precision of measuring pump is not as good as gravimetric tank, but its stability is far above title Weight tank.It is exactly that to measure pump discharge less than normal in addition, such as all will appear from overlong time using measuring pump addition initiator, influence to produce Cycle and initiator are rotten in the longer easily generation of outer time.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of initiator charging essence control of accurate addition initiator Device.
Technical scheme is used by the utility model:Including initiator storage tank, the title connected with initiator reservoir bottom Weight tank, gravimetric tank connection polymeric kettle, is also associated with measuring pump, the measuring pump other end is connected to gravimetric tank on initiator storage tank On, the first normally opened control valve is provided between measuring pump and gravimetric tank, second is provided between gravimetric tank and initiator storage tank Control valve, gravimetric tank are connected to form control bypass with initiator storage tank, and charging every time is carried out in two steps, and measuring pump is first to gravimetric tank 4kg initiators are added, then the 4kg initiators are added from gravimetric tank to polymeric kettle, it is real with measuring pump to compare gravimetric tank by control room Border adds the amount of initiator and 4kg deviation, if deviation is in 0.1kg, open bypass valve completed by gravimetric tank it is last Addition programs;If deviation is more than 0.1kg, then by operative employee's site inspection and remaining addition programs are accomplished manually, and immediately Instrument personnel are notified to correct gravimetric tank.
Further, the flow of measuring pump is 4 to 5kg.
The beneficial effects of the utility model are:Verify the stability of gravimetric tank for a long time using the stability of measuring pump, carry Before note abnormalities, prevent production from producing fluctuation, while avoid that absolute precision using measuring pump is not high, flow is less than normal lacks Point.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure mark for:1- initiator storage tanks, 2- measuring pumps, the control valves of 3- first, the control valves of 4- second, 5- gravimetric tanks.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, of the present utility model including initiator storage tank 1, the gravimetric tank 5 connected with the bottom of initiator storage tank 1, Gravimetric tank 5 connects polymeric kettle, measuring pump 2 is also associated with initiator storage tank 1, the other end of measuring pump 2 is connected to gravimetric tank 5 On, the first normally opened control valve 3 is provided between measuring pump 2 and gravimetric tank 5, is provided between gravimetric tank 5 and initiator storage tank 1 Second control valve 4, gravimetric tank 5 are connected formation with initiator storage tank 1 and control bypass, and charging every time is carried out in two steps, because adding every time Enter the amount of initiator 10 between 20kg, and measuring pump 2 feeds to 4kg time general 50 seconds, so fixed measuring pump 2 is every The amount of the secondary initiator for adding gravimetric tank 5 is 4kg, and measuring pump 2 first adds 4kg initiators to gravimetric tank 5, then by gravimetric tank 5 The 4kg initiators are added to polymeric kettle, the amount and 4kg that gravimetric tank 5 and measuring pump 2 be actually added into initiator are compared by control room Deviation, if deviation is in 0.1kg, opens the second control valve 4 and last addition programs are completed by gravimetric tank 5;As deviation exceedes 0.1kg's, then by operative employee's site inspection and remaining addition programs are accomplished manually, and notify instrument personnel correction to weigh immediately Tank 5, it is simple in construction, it is easy to operate.

Claims (2)

1. initiator charging essence control device, including initiator storage tank (1), the gravimetric tank connected with initiator storage tank (1) bottom (5), gravimetric tank (5) connection polymeric kettle, it is characterised in that:Measuring pump (2), measuring pump are also associated with initiator storage tank (1) (2) other end is connected on gravimetric tank (5), and normally opened the first control valve (3) is provided between measuring pump (2) and gravimetric tank (5), The second control valve (4) is provided between gravimetric tank (5) and initiator storage tank (1), gravimetric tank (5) is connected with initiator storage tank (1) Form control bypass.
2. initiator charging essence control device as claimed in claim 1, it is characterised in that:The flow of measuring pump (2) is 4 to 5kg.
CN201720483764.XU 2017-05-04 2017-05-04 Initiator charging essence control device Active CN206746504U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720483764.XU CN206746504U (en) 2017-05-04 2017-05-04 Initiator charging essence control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720483764.XU CN206746504U (en) 2017-05-04 2017-05-04 Initiator charging essence control device

Publications (1)

Publication Number Publication Date
CN206746504U true CN206746504U (en) 2017-12-15

Family

ID=60616088

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720483764.XU Active CN206746504U (en) 2017-05-04 2017-05-04 Initiator charging essence control device

Country Status (1)

Country Link
CN (1) CN206746504U (en)

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