CN203451930U - Paper machine wet part system - Google Patents
Paper machine wet part system Download PDFInfo
- Publication number
- CN203451930U CN203451930U CN201320566466.9U CN201320566466U CN203451930U CN 203451930 U CN203451930 U CN 203451930U CN 201320566466 U CN201320566466 U CN 201320566466U CN 203451930 U CN203451930 U CN 203451930U
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- value
- charge
- adjusting agent
- yield pulp
- charge value
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- 238000005259 measurement Methods 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 37
- 238000000034 method Methods 0.000 description 10
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 7
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 7
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- -1 poly dimethyl propenyl Chemical group 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
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Abstract
The utility model relates to a paper machine wet part system. The paper machine wet part system comprises a bulk high-yield pulp tank, a ground high-yield pulp tank, a charge value and pH value measurement device, a charge value regulator addition device, a pH value regulator addition device and a charge value and pH value control device, wherein the charge value and pH value measurement device is used for measuring the value of charges in the ground high-yield pulp tank and measuring the pH value in the bulk high-yield pulp tank; the charge value regulator addition device is used for adding a charge value regulator into the ground high-yield pulp tank; the pH value regulator addition device is used for adding a pH regulator into the bulk high-yield pulp tank; the charge value and pH value control device is used for controlling the on/off of the charge value regulator addition device and the pH value regulator addition device according to the measured charge values and pH values. The paper machine wet part system has the following beneficial technical effects of being reduced in the labor workload, and greatly improved in the working efficiency and stability, and guarantees the operability and paper quality of a paper machine.
Description
Technical field
The utility model relates to a kind of wet end of machine system.
Background technology
Along with the development of paper industry, increasing company has introduced in a large number high yield pulp on raw material is used, for developing new product and production control cost.
High yield pulp is subject to the impact of pulping process condition, and slurry itself contains more fiber fines and anionic trash.High yield pulp, after loose slurry and defibrination, can discharge fiber fines and anionic trash, and charge value in wet end of machine system and pH value are impacted, and makes charge value and pH value occur larger fluctuation, and then affects paper machine runnability and page quality.
Existing charge value and pH value measurement mechanism can only be measured concrete numerical value, need manually according to measured value, to judge direction and the trend that charge value and pH value depart from, manually start charge value adjusting agent and add equipment and pH value adjusting agent interpolation equipment, thereby wet end of machine system is controlled.
Yet this control model is controlled and had hysteresis quality the reaction of charge value and pH value, can not process in time and deal with problems, wet end of machine system is controlled and had certain risk.And different operating personnel's analysis result has deviation, be difficult to control timely and accurately charge value and pH value, be difficult to control the fluctuation of wet end of machine system, be also difficult to guarantee the reliability of paper machine runnability and page quality.
Utility model content
An object of the present utility model is, above-mentioned defect for wet end of machine system in prior art, a kind of wet end of machine system is provided, it can be controlled unsettled wet end of machine system in time automatically, minimizing personnel workload and analyze lag time, makes wet end of machine system remain stable.
Above object of the present utility model realizes by a kind of wet end of machine system, and described wet end of machine system comprises:
The high yield pulp stock tank that falls apart;
High yield pulp mill pit;
Charge value and pH value measurement mechanism, described charge value and pH value measurement mechanism are for measuring the charge value of described high yield pulp mill pit and measuring the pH value in the loose stock tank of described high yield pulp;
Charge value adjusting agent adding set, described charge value adjusting agent adding set is for adding charge value adjusting agent to described high yield pulp mill pit;
PH value adjusting agent adding set, described pH value adjusting agent adding set is for adding pH value adjusting agent to the loose stock tank of described high yield pulp; And
Charge value and pH value control device, described charge value and pH value control device, for according to the charge value and the pH value that record, are controlled the start/stop of described charge value adjusting agent adding set and described pH value adjusting agent adding set.
According to technique scheme, wet end of machine system of the present utility model can play following useful technique effect: reduced labor workload, greatly improve the operating efficiency of wet end of machine system and the stability of wet end of machine system, guaranteed maneuverability and the page quality of paper machine.
Preferably, described charge value and pH value control device are configured to: when the electric charge absolute value recording is greater than the first electric charge absolute value, start described charge value adjusting agent adding set, and when the electric charge absolute value recording is less than the second electric charge absolute value, stop described charge value adjusting agent adding set, wherein said the second electric charge absolute value is less than described the first electric charge absolute value.
According to technique scheme, wet end of machine system of the present utility model can play following useful technique effect: can simply and effectively the charge value of wet end of machine system be controlled and be adjusted, make charge value within allowable fluctuation range, increased the stability of wet end of machine system.
Preferably, described charge value and pH value control device are configured to: when the pH value recording is less than a pH value, start described pH value adjusting agent adding set, and when the pH value recording is greater than the 2nd pH value, stop described pH value adjusting agent adding set, wherein said the 2nd pH value is greater than a described pH value.
According to technique scheme, wet end of machine system of the present utility model can play following useful technique effect: can simply and effectively the pH value of wet end of machine system be controlled and be adjusted, make pH value within allowable fluctuation range, increased the stability of wet end of machine system.
Preferably, described charge value and pH value measurement mechanism are charge value and pH value on-line measurement device.
According to technique scheme, wet end of machine system of the present utility model can play following useful technique effect: can to the charge value of wet end of machine system and pH value, measure in time, thereby be convenient in time the charge value of wet end of machine system and pH value be controlled and adjusted.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the wet end of machine system of an embodiment of the present utility model.
The specific embodiment
Below, with reference to Fig. 1, the specific embodiment of the present utility model is described in detail.
Fig. 1 is the schematic diagram of the wet end of machine system of an embodiment of the present utility model.As shown in Figure 1, wet end of machine system comprises: the high yield pulp stock tank 1 that falls apart; High yield pulp mill pit 2; Charge value and pH value measurement mechanism 3, for measuring the charge value of high yield pulp mill pit 2 and measuring the pH value in the loose stock tank 1 of high yield pulp; Charge value adjusting agent adding set 6, for adding charge value adjusting agent to high yield pulp mill pit 2; PH value adjusting agent adding set 5, for adding pH value adjusting agent to the loose stock tank 1 of high yield pulp; And charge value and pH value control device 4, for according to the charge value and the pH value that record, control the start/stop of charge value adjusting agent adding set 6 and pH value adjusting agent adding set 5.
Like this, the utility model just can reduce labor workload, greatly improves the operating efficiency of wet end of machine system and the stability of wet end of machine system, guarantees maneuverability and the page quality of paper machine.
Specifically, charge value and pH value control device 4 are configured to: when the electric charge absolute value recording is greater than the first electric charge absolute value, start charge value adjusting agent adding set 6, and when the electric charge absolute value recording is less than the second electric charge absolute value, stop charge value adjusting agent adding set 6, wherein the second electric charge absolute value is less than the first electric charge absolute value.
Charge value and pH value control device 4 are also configured to: when the pH value recording is less than a pH value, start pH value adjusting agent adding set 5, and when the pH value recording is greater than the 2nd pH value, stop pH value adjusting agent adding set 5, wherein the 2nd pH value is greater than a pH value.
Like this, the utility model just can be controlled and adjust the charge value of wet end of machine system and pH value simply and effectively, makes charge value and pH value within allowable fluctuation range, has increased the stability of wet end of machine system.
Preferably, charge value control range is-arrive-200uev/g of 400uev/g.That is to say, the first electric charge absolute value is 400uev/g, and the second electric charge absolute value is 200uev/g.Certainly, above-mentioned charge value control range (400uev/g to-200uev/g) is only a kind of enumerating.Those skilled in the art, on basis of the present utility model, can, according to performance of the character of high yield pulp and wet end of machine system etc., modify charge value control range, and not depart from scope of the present utility model.
Preferably, pH value control range is 7.2 to 7.8.That is to say, a pH value is that 7.2, the two pH values are 7.8.Certainly, above-mentioned pH value control range (7.2 to 7.8) is only a kind of enumerating.Those skilled in the art, on basis of the present utility model, can, according to performance of the character of high yield pulp and wet end of machine system etc., modify pH value control range, and not depart from scope of the present utility model.
Like this, the utility model just can be controlled and adjust the charge value of wet end of machine system and pH value simply and effectively, makes charge value and pH value within suitable allowable fluctuation range,
Preferably, pH value adjusting agent can adopt sodium bicarbonate.Certainly, pH value adjusting agent is not limited to employing sodium bicarbonate, and can adopt, can realize any pH value adjusting agent, especially the alkaline pH value adjusting agent that pH value is adjusted function.
Preferably, charge value adjusting agent can adopt poly dimethyl propenyl chlorination amine.Certainly, charge value adjusting agent is not limited to and adopts poly dimethyl propenyl chlorination amine, and can adopt, can realize any charge value adjusting agent that charge value is adjusted function.
Like this, the utility model just can use suitable pH value adjusting agent and charge value adjusting agent, and the charge value of machine wet end system and pH value are effectively controlled and adjusted.
Preferably, charge value and pH value measurement mechanism 3 are charge value and pH value on-line measurement device.
Like this, the utility model just can be measured the charge value of wet end of machine system and pH value in time, thereby is convenient in time the charge value of wet end of machine system and pH value be controlled and adjusted.
In addition, note also that, although in the embodiment shown in fig. 1, charge value and pH value measurement mechanism 3 are only measured the charge value in high yield pulp mill pit 2 and are measured the pH value in the loose stock tank 1 of high yield pulp, but in the case of necessary, charge value and pH value measurement mechanism 3 also can be measured charge value and the pH value in high yield pulp mill pit 2, and measure pH value and charge value in the loose stock tank 1 of high yield pulp.Under these circumstances, charge value adjusting agent adding set 6 can add charge value adjusting agent to high yield pulp mill pit 2 and the loose stock tank 1 of high yield pulp simultaneously, and pH value adjusting agent adding set 5 can add pH value adjusting agent to the loose stock tank 1 of high yield pulp and high yield pulp mill pit 2 simultaneously, thereby the charge value of wet end of machine system and pH value are controlled more accurately and adjusted.
Above the specific embodiment of the present utility model is described, but it will be understood to those of skill in the art that, the above-mentioned specific embodiment does not form restriction of the present utility model, those skilled in the art can carry out multiple modification on the basis of above disclosure, and do not exceed scope of the present utility model.
Claims (4)
1. a wet end of machine system, is characterized in that, described wet end of machine system comprises:
The high yield pulp stock tank that falls apart;
High yield pulp mill pit;
Charge value and pH value measurement mechanism, described charge value and pH value measurement mechanism are for measuring the charge value of described high yield pulp mill pit and measuring the pH value in the loose stock tank of described high yield pulp;
Charge value adjusting agent adding set, described charge value adjusting agent adding set is for adding charge value adjusting agent to described high yield pulp mill pit;
PH value adjusting agent adding set, described pH value adjusting agent adding set is for adding pH value adjusting agent to the loose stock tank of described high yield pulp; And
Charge value and pH value control device, described charge value and pH value control device, for according to the charge value and the pH value that record, are controlled the start/stop of described charge value adjusting agent adding set and described pH value adjusting agent adding set.
2. wet end of machine system as claimed in claim 1, it is characterized in that, described charge value and pH value control device are configured to: when the electric charge absolute value recording is greater than the first electric charge absolute value, start described charge value adjusting agent adding set, and when the electric charge absolute value recording is less than the second electric charge absolute value, stop described charge value adjusting agent adding set, wherein said the second electric charge absolute value is less than described the first electric charge absolute value.
3. wet end of machine system as claimed in claim 1, it is characterized in that, described charge value and pH value control device are configured to: when the pH value recording is less than a pH value, start described pH value adjusting agent adding set, and when the pH value recording is greater than the 2nd pH value, stop described pH value adjusting agent adding set, wherein said the 2nd pH value is greater than a described pH value.
4. wet end of machine system as claimed in claim 1, is characterized in that, described charge value and pH value measurement mechanism are charge value and pH value on-line measurement device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566466.9U CN203451930U (en) | 2013-09-12 | 2013-09-12 | Paper machine wet part system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566466.9U CN203451930U (en) | 2013-09-12 | 2013-09-12 | Paper machine wet part system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203451930U true CN203451930U (en) | 2014-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320566466.9U Expired - Lifetime CN203451930U (en) | 2013-09-12 | 2013-09-12 | Paper machine wet part system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203451930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105088840A (en) * | 2015-08-04 | 2015-11-25 | 金东纸业（江苏）股份有限公司 | Method for processing high-yield mechanical pulp and paper |
-
2013
- 2013-09-12 CN CN201320566466.9U patent/CN203451930U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105088840A (en) * | 2015-08-04 | 2015-11-25 | 金东纸业（江苏）股份有限公司 | Method for processing high-yield mechanical pulp and paper |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140226 |