CN207187668U - A kind of Weighing feeding device - Google Patents
A kind of Weighing feeding device Download PDFInfo
- Publication number
- CN207187668U CN207187668U CN201720684619.8U CN201720684619U CN207187668U CN 207187668 U CN207187668 U CN 207187668U CN 201720684619 U CN201720684619 U CN 201720684619U CN 207187668 U CN207187668 U CN 207187668U
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- Prior art keywords
- feeding device
- weighing
- pump
- material preparing
- preparing tank
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Abstract
The utility model discloses a kind of Weighing feeding device, for the detection of more foam liquid output flows, there is provided the reliable and stable automation control appliance of a performance, reduce flow output error, it is horizontal to improve automatic control, by DCS control systems, has reached the effect of accurate regulation discharging speed.Test by contrast, it exports mass flow control accuracy δ≤1%, suitable with mass flowmenter, and overcomes the limitation that mass flowmenter is not applied for foam material, the Weighing feeding device has the advantages of flow output error is small and automatic control is horizontal high, has wide market prospects.
Description
Technical field
Weighing feeding device field is the utility model is related to, more particularly to a kind of Weighing feeding device.
Background technology
For foamy liquid pumping material, when exporting high-precision flow, it is impossible to mass flowmenter is taken, so as to limit
It is applied to DCS automation control systems.Detection for more foam liquid output flows is, it is necessary to which a performance is reliable and stable
Automation control appliance, reduce flow output error, it is horizontal to improve automatic control.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Weighing feeding device, to solve prior art
In caused flow output error and not high automatic control level the problem of.
To achieve the above object, the utility model provides following technical scheme：A kind of Weighing feeding device, it is described
Weighing feeding device includes material preparing tank, measuring pump, Weighing module, pneumatic cut-off valve, the tank of the material preparing tank
Body is cylinder, and the bottom of the material preparing tank is taper, the both sides up and down of the material preparing tank be provided with charging aperture and
Discharging opening, the material preparing tank are internally provided with agitating shaft, and the pneumatic cut-off valve is arranged on the bottom side of discharging opening, described
Weighing module is arranged on the side of material preparing tank, and the measuring pump is arranged on the downside of material preparing tank, the measuring pump with
Weighing module and pneumatic cut-off valve are attached by circuit.
Preferably, the measuring pump is arranged to diaphragm metering pump.
Preferably, the number of the diaphragm metering pump be two, the diaphragm metering pump include metering diaphragm main pump and every
The standby pump of film metering.
Preferably, the Weighing feeding device also includes control structure, the control structure include frequency converter and
DCS, the frequency converter are connected with DCS by circuit, and the DCS is also connected with Weighing module by circuit.
Preferably, the diaphragm metering pump is by DCS control frequency converter regulations.
Beneficial effect using above technical scheme is：The utility model structure provides a kind of Weighing feed dress
Put, for the detection of more foam liquid output flows, there is provided the reliable and stable automation control appliance of a performance, reduce flow
Output error, automatic control level is improved, by DCS control systems, reached the effect of accurate regulation discharging speed.Survey by contrast
Examination, it exports mass flow control accuracy δ≤1%, suitable with mass flowmenter, and overcomes mass flowmenter and be not applied for
The limitation of foam material.The Weighing feeding device has the advantages of flow output error is small and automatic control is horizontal high, has
Wide market prospects.
Brief description of the drawings
Fig. 1 is a kind of structural representation of Weighing feeding device of the utility model；
Fig. 2 is the logical relation schematic diagram of Weighing feeding device.
Wherein, 1- materials preparing tank, 2- pneumatic cut-off valves, 3- metering diaphragms main pump, 4- metering diaphragms are weighed mould for pump, 5-
Block, 6- charging apertures, 7- discharging openings, 8- agitating shafts, 9- control structures.
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 Weighing feeding device, the Weighing feed
Device includes material preparing tank 1, measuring pump, Weighing module 5, pneumatic cut-off valve 2, and the tank body of the material preparing tank 1 is cylinder
Body, the bottom of the material preparing tank 1 is taper, and the both sides up and down of the material preparing tank 1 are provided with charging aperture 6 and discharging opening
7, the material preparing tank 1 is internally provided with agitating shaft 8, and the pneumatic cut-off valve 2 is arranged on the bottom side of discharging opening 7, described
Weighing module 5 is arranged on the side of material preparing tank 1, and the measuring pump is arranged on the downside of material preparing tank 1, the metering
Pump is attached with Weighing module 5 and pneumatic cut-off valve 2 by circuit.
In addition, as shown in Fig. 2 the measuring pump is arranged to diaphragm metering pump, the number of the diaphragm metering pump is two,
The diaphragm metering pump includes metering diaphragm main pump 3 and metering diaphragm also includes control for pump 4, the Weighing feeding device
Structure 9, the control structure 9 include frequency converter and DCS, and the frequency converter is connected with DCS by circuit, the DCS also with title
Molality block 5 is connected by circuit, and the diaphragm metering pump is adjusted by DCS control frequency converters.
When the present apparatus is run, the pneumatic cut-off valve 2 of the root of material preparing tank 1 is opened, and starts metering diaphragm main pump 3, barrier film
The electric machine frequency of measuring pump is by DCS control frequency converter regulations, and after timing starts, DCS is calculated in real time according to setting discharging speed
Material residuals weight in material preparing tank 1, the weight fed back with Weighing module 5 are contrasted, and are adjusted and become according to comparing result
Frequency device output current frequency.
Based on above-mentioned, the utility model provides a kind of Weighing feeding device, for more foam liquid output flows
Detection, there is provided the reliable and stable automation control appliance of a performance, reduce flow output error, it is horizontal to improve automatic control, leads to
DCS control systems are crossed, have reached the effect of accurate regulation discharging speed.Test by contrast, it exports mass flow control accuracy δ
≤ 1%, it is suitable with mass flowmenter, and overcome the limitation that mass flowmenter is not applied for foam material.The Weighing
Feeding device has the advantages of flow output error is small and automatic control is horizontal high, has 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 (5)
1. a kind of Weighing feeding device, it is characterised in that the Weighing feeding device includes material preparing tank, metering
Pump, Weighing module, pneumatic cut-off valve, the tank body of the material preparing tank is cylinder, and the bottom of the material preparing tank is cone
Shape, the both sides up and down of the material preparing tank are provided with charging aperture and discharging opening, and being internally provided with for material preparing tank is stirred
Axle is mixed, the pneumatic cut-off valve is arranged on the bottom side of discharging opening, and the Weighing module is arranged on the side of material preparing tank, described
Measuring pump is arranged on the downside of material preparing tank, and the measuring pump is connected with Weighing module and pneumatic cut-off valve by circuit
Connect.
2. a kind of Weighing feeding device according to claim 1, it is characterised in that the measuring pump is arranged to barrier film
Measuring pump.
A kind of 3. Weighing feeding device according to claim 2, it is characterised in that the number of the diaphragm metering pump
For two, the diaphragm metering pump includes metering diaphragm main pump and metering diaphragm for pump.
A kind of 4. Weighing feeding device according to claim 1, it is characterised in that the Weighing feeding device
Also include control structure, the control structure includes frequency converter and DCS, and the frequency converter is connected with DCS by circuit, described
DCS is also connected with Weighing module by circuit.
5. a kind of Weighing feeding device according to claim 2, it is characterised in that the diaphragm metering pump is by DCS
Control frequency converter regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720684619.8U CN207187668U (en) | 2017-06-13 | 2017-06-13 | A kind of Weighing feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720684619.8U CN207187668U (en) | 2017-06-13 | 2017-06-13 | A kind of Weighing feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207187668U true CN207187668U (en) | 2018-04-06 |
Family
ID=61784084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720684619.8U Active CN207187668U (en) | 2017-06-13 | 2017-06-13 | A kind of Weighing feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207187668U (en) |
-
2017
- 2017-06-13 CN CN201720684619.8U patent/CN207187668U/en active Active
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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 |