CN204352987U - A kind of grinding aid adds control device - Google Patents
A kind of grinding aid adds control device Download PDFInfo
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- CN204352987U CN204352987U CN201420810501.1U CN201420810501U CN204352987U CN 204352987 U CN204352987 U CN 204352987U CN 201420810501 U CN201420810501 U CN 201420810501U CN 204352987 U CN204352987 U CN 204352987U
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- grinding aid
- liquid pump
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- pipeline
- flow regulator
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Abstract
The utility model discloses a kind of grinding aid and add control device, comprise middle control unit, flow regulator, liquid pump frequency converter, liquid pump, flowmeter, cement mill and grinding aid storage tank, described middle control unit connection traffic adjuster, to the flow set-point of flow regulator transmission grinding aid, described flow regulator connecting fluid pump frequency conversion device, the given frequency of flow set-point is corresponded to the transmission of liquid pump frequency converter, described liquid pump frequency converter connects liquid pump, the given frequency driving liquid pump to press liquid pump frequency converter rotates, the import of described liquid pump is communicated with grinding aid storage tank by pipeline, described liquid delivery side of pump is communicated with cement mill by pipeline, flowmeter is provided with in pipeline between described liquid pump and cement mill, described flowmeter is connected with flow regulator, the grinding aid flow signal flow through in flow regulator transmission pipeline.The utility model adopts conventional instrument of the prior art to form grinding aid interpolation control device, realizes the control to grinding aid interpolation and feedback.
Description
Technical field
The utility model belongs to control technology field, is specifically related to the control device that a kind of structure is simple, easy to maintenance, accurately can control the addition of grinding aid in proportion.
Background technology
cement grinding aid is a kind of in order to improve mill efficiency, reduces grinding pow consumption, improves the chemical addition agent of cement fineness and strength of cement.Under the prerequisite not changing the existing technology and equipment condition of factory, in grinding process, interpolation trace or a small amount of cement grinding aid can affect the mechanical force of grinding operation, reach the object improving grinding process.But in former production process, the number of cement grinding aid addition, needs operative employee's field control, due to manually-operated uncertainty, causes strictly adding in proportion in time, be also difficult to adjust in time with cement output.The unlatching of grinding aid adding set or stopping need operative employee to carry out, and middle control can not be intervened the unlatching of grinding aid or stopping; Instantaneous delivery and integrated flow that liquid grinding aid adds can not be shown, effectively can not follow the tracks of the interpolation situation of grinding aid at Central Control Room; Alarm free is arranged, and equipment is out of order, and operating personnel cannot be known the very first time, easily causes grinding aid to waste; Manufacture of cement cost should not be calculated; Therefore give the production of cement and the use of grinding aid, bring great inconvenience.
Utility model content
The purpose of this utility model is to provide the control device that a kind of structure is simple, easy to maintenance, accurately can control the addition of grinding aid in proportion.
The purpose of this utility model is achieved in that and comprises middle control unit, flow regulator, liquid pump frequency converter, liquid pump, flowmeter, cement mill and grinding aid storage tank, described middle control unit connection traffic adjuster, to the flow set-point of flow regulator transmission grinding aid, described flow regulator connecting fluid pump frequency conversion device, the given frequency of flow set-point is corresponded to the transmission of liquid pump frequency converter, described liquid pump frequency converter connects liquid pump, the given frequency driving liquid pump to press liquid pump frequency converter rotates, the import of described liquid pump is communicated with grinding aid storage tank by pipeline, described liquid delivery side of pump is communicated with cement mill by pipeline, flowmeter is provided with in pipeline between described liquid pump and cement mill, described flowmeter is connected with flow regulator, the grinding aid flow signal flow through in flow regulator transmission pipeline.
Also comprise flow integrator, described flow integrator is connected with flow regulator, for receiving the grinding aid flow signal that flow regulator transmission comes, and carries out instantaneous delivery display to it and adds up; Described flow integrator is also connected with middle control unit, to middle control unit transmission grinding aid integrated flow.
Also liquid level gauge is provided with, for showing the grinding aid memory space in grinding aid storage tank in described grinding aid storage tank.
Described liquid delivery side of pump is provided with the pipeline damper for eliminating liquid generation flow pulsation in pipeline.
The grinding aid proportioning that the operating personnel of Central Control Room provide according to laboratory arranges the proportioning of cement grinding aid by middle control unit, the proportioning of cement grinding aid and the product of material total flow are the flow set-point of cement grinding aid, this flow set-point is transferred to flow regulator by middle control unit, described flow regulator is according to the given frequency of flow set-point to liquid pump frequency converter transmission correspondence, the given frequency driving liquid pump to press liquid pump frequency converter rotates, grinding aid now in grinding aid storage tank enters the import of liquid pump by pipeline, liquid delivery side of pump just has the grinding aid determining flow to discharge, cement mill is supplied to by pipeline, the grinding aid of simultaneously discharging from liquid delivery side of pump is recorded by flowmeter by during ducted flowmeter, grinding aid flow signal is sent into flow regulator by flowmeter, flow signal is converted to two-way by flow regulator, one tunnel send flow integrator carry out instantaneous delivery display and add up, and send middle control unit to show accumulative through integrating instrument simultaneously, another road is compared with the flow set-point of grinding aid, if the flow value recorded actual is greater than flow set-point, then flow regulator exports a lower tonal signal to flow regulator, now the output signal of flow regulator controls the output frequency reduction of frequency converter, thus the rotating speed controlling liquid pump declines, the grinding aid flow of discharging from liquid pump also decreases, otherwise if the flow value recorded actual is less than flow set-point, then adjuster exports a upper tonal signal to flow regulator, and make liquid pump rotating speed increase, the grinding aid flow of discharging from liquid pump also rises thereupon, thus realizes controlling the interpolation of grinding aid.
The utility model overcome existing cement mill in process of production grinding aid add defect problem, realize the control to grinding aid interpolation and feedback, the interpolation of grinding aid is made to be under monitoring, not only make the grinding aid addition in cement production process more accurate, ensure manufacture of cement quality, also make grinding aid producer and cement plant can be good at controlling cost.The utility model structure is simple, easy to maintenance, can fast, safety, effectively, the interpolation realizing grinding aid of low cost controls.
Accompanying drawing explanation
Fig. 1 is control principle drawing of the present utility model.
Unit, 2-flow regulator, 3-liquid pump frequency converter, 4-liquid pump, 5-pipeline damper, 6-flowmeter, 7-cement mill, 8-grinding aid storage tank, 9-liquid level gauge, 10-flow integrator is controlled in 1-.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, but limited the utility model never in any form, based on any conversion that the utility model training centre is done, all falls into the utility model protection domain.
As shown in Figure 1, the utility model comprises middle control unit 1, flow regulator 2, liquid pump frequency converter 3, liquid pump 4, flowmeter 6, cement mill 7 and grinding aid storage tank 8, described middle control unit 1 connection traffic adjuster 2, the flow set-point of grinding aid is transmitted to flow regulator 2, described flow regulator 2 connecting fluid pump frequency conversion device 3, the given frequency corresponding to flow set-point is transmitted to liquid pump frequency converter 3, described liquid pump frequency converter 3 connects liquid pump 4, the given frequency driving liquid pump 4 to press liquid pump frequency converter 3 rotates, the import of described liquid pump 4 is communicated with grinding aid storage tank 8 by pipeline, the outlet of described liquid pump 4 is communicated with cement mill 7 by pipeline, flowmeter 6 is provided with in pipeline between described liquid pump 4 and cement mill 7, described flowmeter 6 is connected with flow regulator 2, the grinding aid flow signal flow through in flow regulator 2 transmission pipeline.
Also comprise flow integrator 10, described flow integrator 10 is connected with flow regulator 2, transmits the grinding aid flow signal of coming, and carry out instantaneous delivery display to it and add up for receiving flow regulator 2; Described flow integrator 10 is also connected with middle control unit 1, transmits grinding aid integrated flow to middle control unit 1.
Liquid level gauge 9 is also provided with, for showing the grinding aid memory space in grinding aid storage tank 8 in described grinding aid storage tank 8.
The outlet of described liquid pump 4 is provided with the pipeline damper 5 for eliminating liquid generation flow pulsation in pipeline.
operation principle of the present utility model and the course of work:
The grinding aid proportioning that the operating personnel of Central Control Room provide according to laboratory arranges the proportioning of cement grinding aid by middle control unit 1, the proportioning of cement grinding aid and the product of material total flow are the flow set-point of cement grinding aid, this flow set-point is transferred to flow regulator 2 by middle control unit 1, described flow regulator 2 transmits corresponding given frequency according to flow set-point to liquid pump frequency converter 3, the given frequency driving liquid pump 4 to press liquid pump frequency converter 3 rotates, grinding aid now in grinding aid storage tank 8 enters the import of liquid pump 4 by pipeline, the outlet of liquid pump 4 just has the grinding aid determining flow to discharge, cement mill 7 is supplied to by pipeline, the grinding aid of simultaneously discharging from the outlet of liquid pump 4 is by being recorded by flowmeter 6 during ducted flowmeter 6, grinding aid flow signal is sent into flow regulator 2 by flowmeter 6, flow signal is converted to two-way by flow regulator 2, one tunnel send flow integrator 10 carry out instantaneous delivery display and add up, and send middle control unit 1 to show accumulative through flow integrator 10 simultaneously, another road is compared with the flow set-point of grinding aid, if the flow value recorded actual is greater than flow set-point, then flow regulator 2 exports a lower tonal signal, now the output signal of flow regulator 2 controls the output frequency reduction of liquid pump frequency converter 3, thus the rotating speed controlling liquid pump 4 declines, the grinding aid flow of discharging from liquid pump 4 also decreases, otherwise, if the flow value recorded actual is less than flow set-point, then flow regulator 2 exports a upper tonal signal, now the output signal of flow regulator 2 controls the output frequency rising of liquid pump frequency converter 3, liquid pump 4 rotating speed is made to increase, the grinding aid flow of discharging from liquid pump 4 also rises thereupon, thus realizes controlling the interpolation of grinding aid.
The utility model adopts conventional instrument of the prior art to form grinding aid interpolation control device, overcome existing cement mill in process of production grinding aid add defect problem, realize the control to grinding aid interpolation and feedback, the interpolation of grinding aid is made to be under monitoring, not only make the grinding aid addition in cement production process more accurate, ensure manufacture of cement quality, also make grinding aid producer and cement plant can be good at controlling cost.The utility model structure is simple, easy to maintenance, can fast, safety, effectively, the interpolation realizing grinding aid of low cost controls.
Claims (4)
1. grinding aid adds a control device, comprises middle control unit (1), flow regulator (2), liquid pump frequency converter (3), liquid pump (4), flowmeter (6), cement mill (7) and grinding aid storage tank (8), it is characterized in that described middle control unit (1) connection traffic adjuster (2), to the flow set-point of flow regulator (2) transmission grinding aid, described flow regulator (2) connecting fluid pump frequency conversion device (3), the given frequency of flow set-point is corresponded to liquid pump frequency converter (3) transmission, described liquid pump frequency converter (3) connects liquid pump (4), liquid pump (4) is driven to rotate by the given frequency of liquid pump frequency converter (3), the import of described liquid pump (4) is communicated with grinding aid storage tank (8) by pipeline, the outlet of described liquid pump (4) is communicated with cement mill (7) by pipeline, flowmeter (6) is provided with in pipeline between described liquid pump (4) and cement mill (7), described flowmeter (6) is connected with flow regulator (2), the grinding aid flow signal flow through in flow regulator (2) transmission pipeline.
2. grinding aid according to claim 1 adds control device, characterized by further comprising flow integrator (10), described flow integrator (10) is connected with flow regulator (2), for receiving the grinding aid flow signal that flow regulator (2) transmission comes, and instantaneous delivery display is carried out to it and adds up; Described flow integrator (10) is also connected with middle control unit (1), to middle control unit (1) transmission grinding aid integrated flow.
3. grinding aid according to claim 2 adds control device, it is characterized in that also being provided with liquid level gauge (9) in described grinding aid storage tank (8), for showing the grinding aid memory space in grinding aid storage tank (8).
4. grinding aid according to claim 3 adds control device, it is characterized in that the outlet of described liquid pump (4) is provided with the pipeline damper (5) for eliminating liquid generation flow pulsation in pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420810501.1U CN204352987U (en) | 2014-12-21 | 2014-12-21 | A kind of grinding aid adds control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420810501.1U CN204352987U (en) | 2014-12-21 | 2014-12-21 | A kind of grinding aid adds control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204352987U true CN204352987U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420810501.1U Active CN204352987U (en) | 2014-12-21 | 2014-12-21 | A kind of grinding aid adds control device |
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| Country | Link |
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| CN (1) | CN204352987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140446A (en) * | 2016-08-17 | 2016-11-23 | 湖北鑫统领万象科技有限公司 | A kind of on-line correction liquid grinding aid automatic gauge mixes match system and method |
| CN109290040A (en) * | 2017-07-24 | 2019-02-01 | 河北建材职业技术学院 | A kind of grinding aid volume automatic control device for ball mill |
-
2014
- 2014-12-21 CN CN201420810501.1U patent/CN204352987U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140446A (en) * | 2016-08-17 | 2016-11-23 | 湖北鑫统领万象科技有限公司 | A kind of on-line correction liquid grinding aid automatic gauge mixes match system and method |
| CN109290040A (en) * | 2017-07-24 | 2019-02-01 | 河北建材职业技术学院 | A kind of grinding aid volume automatic control device for ball mill |
| CN109290040B (en) * | 2017-07-24 | 2021-05-11 | 河北建材职业技术学院 | Automatic grinding aid mixing amount control device for ball mill |
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