CN201416118Y - Control system of single-effect fiber separator - Google Patents
Control system of single-effect fiber separator Download PDFInfo
- Publication number
- CN201416118Y CN201416118Y CN2009200260925U CN200920026092U CN201416118Y CN 201416118 Y CN201416118 Y CN 201416118Y CN 2009200260925 U CN2009200260925 U CN 2009200260925U CN 200920026092 U CN200920026092 U CN 200920026092U CN 201416118 Y CN201416118 Y CN 201416118Y
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- Prior art keywords
- slurry
- valve
- inlet
- tail
- starch
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- 239000000835 fiber Substances 0.000 title abstract description 4
- 239000002002 slurry Substances 0.000 claims abstract description 84
- 238000010790 dilution Methods 0.000 claims abstract description 9
- 239000012895 dilution Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920002472 Starch Polymers 0.000 claims description 31
- 235000019698 starch Nutrition 0.000 claims description 31
- 239000008107 starch Substances 0.000 claims description 31
- 238000007599 discharging Methods 0.000 claims description 8
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to a control system of single-effect fiber separator, comprising a separator body. A stock tank is connected with a slurry inlet of the separator body through a slurry pump,and a PLC control device is respectively connected with an dilution water valve arranged on a slurry inlet pipeline in front of the slurry pump and an inlet concentration meter, an inlet valve, an inlet pressure gauge and an inlet flow meter all arranged on an inlet pipeline behind the slurry pump according to the flowing direction of slurry in turn. The PLC control device is also connected with an accepted slurry pressure gauge and an accepted slurry valve both arranged on an accepted slurry output pipeline of the separator body according to the flowing direction of accepted slurry in turn. The PLC control device is also connected with a tail slurry flow meter and a tail slurry valve both arranged on a tail slurry output pipeline of the separator body according to the flowing direction ofaccepted slurry in turn, and an exhaust valve arranged on an exhaust pipeline of the separator body. The control system of single-effect fiber separator, characterized by high degree of automation, unattended operation, low failure rate and precise control, can ensure normal running of separators, and reduces waste and lowers cost.
Description
Technical field:
The utility model relates to a kind of control system, especially a kind of control system of single-action defibrator.
Background technology:
The single-action defibrator is positioned at after the hydrabrusher, is mainly used in light, the heavy foreign material that separate in the secondary stock, and has carrying out the secondary size degradation from the little scraps of paper in the slurry of hydrabrusher and discongesting the function of fiber.Present single-action defibrator generally adopts Artificial Control; operating personnel are by observing the instrument parameter; the manual adjustment respective valves; it is very loaded down with trivial details to operate, and labour intensity is big, in addition; owing to adopt manual adjustment; be difficult to accomplish accurate control, usually can cause unnecessary wastage of material, increased production cost greatly.
The utility model content:
The utility model provides a kind of control system of single-action defibrator, and it is simple to operate, but unmanned, the automaticity height, fault rate is low, and control has accurately reduced waste, has saved production cost, has solved problems of the prior art.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be: it comprises the seperator body, stock tank links to each other through the stock inlet of stock pump with the seperator body, be provided with the dilution water valve on the pulp-inlet pipe road before stock pump, on the pulp-inlet pipe road behind the stock pump, flow to and be provided with into slurry densimeter, slurry-inlet valve door successively, advance to starch pressure gauge and advance to starch flowmeter, the dilution water valve, advance to starch densimeter, slurry-inlet valve door, advance to starch pressure gauge and advance to starch flowmeter and link to each other with the PLC control device respectively by slurry; On the good slurry output pipe of seperator body, be provided with good slurry pressure gauge and good slurry valve successively by the good slurry flow direction, on the tail slurry output pipe of seperator body, be provided with tail slurry flowmeter and tail slurry valve successively by the tail slurry flow direction, on the deslagging pipeline of seperator body, be provided with slag-discharging valve, very starch pressure gauge, good slurry valve, tail slurry flowmeter, tail slurry valve and link to each other with the PLC control device respectively with slag-discharging valve.
Each densimeter, pressure gauge, flowmeter and valve that the utility model adopts the PLC control device with the pulp-inlet pipe road, very to starch on pipeline, tail slurry pipeline and the deslagging pipeline respectively are electrically connected, realized the automatic control of single-action defibrator operation, reduced fault rate, make simple to operation, can realize unmanned, and it is more accurate by the PLC control device turnover of slurry to be controlled, and has reduced waste, has saved production cost greatly.
Description of drawings:
Fig. 1 is a control principle connection diagram of the present utility model.
Among the figure, 1, stock tank; 2, stock pump; 3, advance to starch densimeter; 4, dilution water valve; 5, advance to starch pressure gauge; 6, advance to starch flowmeter; 7, slurry-inlet valve door; 8, very starch pressure gauge; 9, good slurry valve; 10, tail slurry flowmeter; 11, tail slurry valve; 12, slag-discharging valve; 13, PLC control device; 14, seperator body.
The specific embodiment:
For clearly demonstrating the technical characterstic of this programme, below by the specific embodiment, and in conjunction with its accompanying drawing, the utility model is elaborated.
As shown in FIG., the utility model comprises seperator body 14, stock tank 1 links to each other through the stock inlet of stock pump 2 with seperator body 14, be provided with dilution water valve 4 on the pulp-inlet pipe road before stock pump 2, on the pulp-inlet pipe road behind the stock pump 2, flow to and be provided with into slurry densimeter 3, slurry-inlet valve door 7 successively, advance to starch pressure gauge 5 and advance to starch flowmeter 6, dilution water valve 4, advance to starch densimeter 3, slurry-inlet valve door 7, advance to starch pressure gauge 5 and advance to starch flowmeter 6 and link to each other with PLC control device 13 respectively by slurry; On the good slurry output pipe of seperator body 14, be provided with good slurry pressure gauge 8 and good slurry valve 9 successively by the good slurry flow direction, on the tail slurry output pipe of seperator body 14, be provided with tail slurry flowmeter 10 and tail slurry valve 11 successively by the tail slurry flow direction, on the deslagging pipeline of seperator body 14, be provided with slag-discharging valve 12, very starch pressure gauge 8, good slurry valve 9, tail slurry flowmeter 10, tail slurry valve 11 and link to each other with PLC control device 13 respectively with slag-discharging valve 12.
During operation, start stock pump 2, open slurry-inlet valve door 7, paper pulp is extracted out by stock pump 2 from stock tank 1 and is sent to seperator body 14, and the 3 pairs of slurries of densimeter that advance to starch on the pulp-inlet pipe road detect, detected value is sent to PLC control device 13,13 pairs of these concentration values of PLC control device are judged comparison, if concentration is excessive, then send control instruction, control dilution water valve 4 is opened diluted slurry, meets the requirements to guarantee the slurry that enters seperator body 14.Advancing to starch pressure gauge 5 and advancing to starch flowmeter 6 force value and the flow value of test slurry respectively before the stock inlet of seperator body 14, and parameter is sent to PLC control device 13, good slurry pressure gauge 8 on the good slurry output pipe of seperator body 14 detects good slurry force value, and parameter is sent to PLC control device 13, tail slurry flowmeter 10 on the tail slurry output pipe of seperator body 14 detects the tail slurry flow value, and parameter is sent to PLC control device 13, PLC control device 13 will advance to starch force value and calculate comparison with good slurry force value, for guaranteeing the duty of single-action defibrator, should be controlled at 0.01～0.03MP with advancing to starch the pressure reduction of force value with good slurry force value
aBetween, the requirement if calculating gained pressure reduction goes beyond the scope, then PLC control device 13 sends control instruction, controls good slurry valve 9 and regulates good slurry force value, meets technological requirement so that advance the pressure reduction of slurry and good slurry.PLC control device 13 will advance to starch flow value and the tail slurry flow value compares, for guaranteeing the operating efficiency of single-action defibrator, should control the into ratio of slurry flow value and tail slurry flow value, generally with the tail slurry flow-control advance to starch flow 10～20% between, the requirement if the tail slurry flow goes beyond the scope, then PLC control device 13 sends control instruction, and control tail slurry valve 11 is regulated the tail slurry flow value, so that the tail slurry flow meets technological requirement with the ratio of advancing to starch flow.For the heavy slag after 14 screenings of seperator body, the time set meeting timing controlled slag-discharging valve 12 in the PLC control device 13 opens or closes and carries out step deslagging.This control system automaticity height can be realized unmanned, and is simple to operate, guaranteed the normal operation of single-action defibrator, and fault rate is low, and control has accurately reduced the slurry waste, has reduced production cost.
The utility model does not describe part in detail, is those skilled in the art of the present technique's known technology.
Claims (1)
1, the control system of single-action defibrator, comprise the seperator body, stock tank links to each other through the stock inlet of stock pump with the seperator body, it is characterized in that: be provided with the dilution water valve on the pulp-inlet pipe road before stock pump, on the pulp-inlet pipe road behind the stock pump, flow to and be provided with into slurry densimeter, slurry-inlet valve door successively, advance to starch pressure gauge and advance to starch flowmeter, the dilution water valve, advance to starch densimeter, slurry-inlet valve door, advance to starch pressure gauge and advance to starch flowmeter and link to each other with the PLC control device respectively by slurry; On the good slurry output pipe of seperator body, be provided with good slurry pressure gauge and good slurry valve successively by the good slurry flow direction, on the tail slurry output pipe of seperator body, be provided with tail slurry flowmeter and tail slurry valve successively by the tail slurry flow direction, on the deslagging pipeline of seperator body, be provided with slag-discharging valve, very starch pressure gauge, good slurry valve, tail slurry flowmeter, tail slurry valve and link to each other with the PLC control device respectively with slag-discharging valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200260925U CN201416118Y (en) | 2009-05-26 | 2009-05-26 | Control system of single-effect fiber separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200260925U CN201416118Y (en) | 2009-05-26 | 2009-05-26 | Control system of single-effect fiber separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201416118Y true CN201416118Y (en) | 2010-03-03 |
Family
ID=41792535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200260925U Expired - Fee Related CN201416118Y (en) | 2009-05-26 | 2009-05-26 | Control system of single-effect fiber separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201416118Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747643A (en) * | 2012-07-17 | 2012-10-24 | 广东理文造纸有限公司 | A hydraulic slag removal system for papermaking |
| WO2020063906A1 (en) * | 2018-09-28 | 2020-04-02 | 江门欧佩德晶华轻工机械有限公司 | Intelligent pressure screen |
| CN113215848A (en) * | 2021-04-30 | 2021-08-06 | 安德里茨（中国）有限公司 | Pressure screen and dilution method for a pressure screen |
-
2009
- 2009-05-26 CN CN2009200260925U patent/CN201416118Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747643A (en) * | 2012-07-17 | 2012-10-24 | 广东理文造纸有限公司 | A hydraulic slag removal system for papermaking |
| CN102747643B (en) * | 2012-07-17 | 2015-02-11 | 广东理文造纸有限公司 | A hydraulic slag removal system for papermaking |
| WO2020063906A1 (en) * | 2018-09-28 | 2020-04-02 | 江门欧佩德晶华轻工机械有限公司 | Intelligent pressure screen |
| CN113215848A (en) * | 2021-04-30 | 2021-08-06 | 安德里茨（中国）有限公司 | Pressure screen and dilution method for a pressure screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20140526 |