CN106400570A - Paper machine system - Google Patents

Paper machine system Download PDF

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Publication number
CN106400570A
CN106400570A CN201610957487.1A CN201610957487A CN106400570A CN 106400570 A CN106400570 A CN 106400570A CN 201610957487 A CN201610957487 A CN 201610957487A CN 106400570 A CN106400570 A CN 106400570A
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CN
China
Prior art keywords
paper machine
liquid level
water tower
tower
water
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Granted
Application number
CN201610957487.1A
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Chinese (zh)
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CN106400570B (en
Inventor
涂鸣
程江娜
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UPM China Co Ltd
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UPM China Co Ltd
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Priority to CN201610957487.1A priority Critical patent/CN106400570B/en
Publication of CN106400570A publication Critical patent/CN106400570A/en
Application granted granted Critical
Publication of CN106400570B publication Critical patent/CN106400570B/en
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/66Pulp catching, de-watering, or recovering; Re-use of pulp-water

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  • Paper (AREA)

Abstract

The invention relates to a paper machine system. The paper machine system comprises a first paper machine, a clear white water tower applied to the first paper machine, a second paper machine, a white water tower applied to the second paper machine, and a water supplementing pipeline connected between the clear white water tower and the white water tower, wherein a water supplementing valve is arranged on the water supplementing pipeline; when the liquid level of the clear white water tower is smaller than or equal to 60%, the water supplementing valve is switched off, so that water is not supplemented to the white water tower; when the liquid level of the clear white water tower is greater than 60% and smaller than or equal to 70%, or when the liquid level of the clear white water tower is greater than 70% and a liquid level difference between the two towers is smaller than or equal to 0, the water supplementing valve is switched on at a first opening degree, so that the water is supplemented to the white water tower; the liquid level difference between the two towers is obtained by subtracting the liquid level of the white water tower from the liquid level of the clear white water tower; and when the liquid level of the clear white water tower is greater than 70% and the liquid level difference between the two towers is greater than 0, the water supplementing valve is switched on at a second opening degree, so that the water is supplemented to the white water tower; the second opening degree is greater than the first opening degree. Through the paper machine system, the beneficial technical effect of saving water resources can be achieved.

Description

Paper machine system
Technical field
The present invention relates to a kind of paper machine system.
Background technology
Paper machine system needs substantial amounts of water to carry out dissipating the paper production operations such as slurry.According to the source of water, paper machine produces to be used Water is mainly divided into three classes:Clear water, plain boiled water and pure water.Clear water is that paper machine produces used fresh water, for example, take from natural Fresh water, the clear water tower being pumped into paper machine after carrying out preliminary silt removal is for using.Plain boiled water and pure water are all paper machine recirculated water. Plain boiled water is the water taken off from wet end in paper machine production process, is sieved to back flow water pump through arch, forms plain boiled water, is then pumped into paper machine Plain boiled water tower for use.Pure water takes from fiber and the filler recovery system of paper machine, and the pure water tower being pumped into paper machine is for using.
However, conventionally, as the initial designs of paper machine system are not necessarily fitted produce reality, might have one The situation that the plain boiled water tower reserves of individual paper machine are less than normal, another paper machine pure water tower reserves are excessive, this is accomplished by dialogue water tower and mends Fill a large amount of clear water, need for unnecessary pure water to be directly discharged to wastewater disposal basin again, cause the waste of water resource.
Accordingly, it would be desirable to a kind of paper machine system, it can overcome drawbacks described above of the prior art.
Content of the invention
It is an object of the present invention to provide a kind of paper machine system, it can overcome drawbacks described above of the prior art, i.e. Can saving water resource.
The object above of the present invention is realized by a kind of paper machine system, and this paper machine system includes the first paper machine, for the One paper machine and connect to the pure water tower of the first paper machine, the second paper machine, for the second paper machine and connecting to the plain boiled water of the second paper machine Tower and be connected to water pipe between described pure water tower and described plain boiled water tower, described water pipe is provided with water compensating valve,
Wherein, when the liquid level of described pure water tower is less than or equal to 60%, described water compensating valve is closed, not to described plain boiled water tower Carry out moisturizing,
When the liquid level of described pure water tower is more than 60% and is less than or equal to 70%, or the liquid level when described pure water tower More than 70% and two tower liquid level difference be less than or equal to 0 when, described water compensating valve is opened with the first aperture, to mend to described plain boiled water tower Water, wherein, described two tower liquid level difference refer to that the liquid level of described pure water tower deducts the liquid level of described plain boiled water tower, and
When described pure water tower liquid level be more than 70% and two tower liquid level difference be more than 0 when, described water compensating valve is with the second aperture Open, to carry out moisturizing to described plain boiled water tower, wherein, described second aperture is more than described first aperture.
According to technique scheme, the paper machine system of the present invention can play following Advantageous Effects:Energy saving water resource, That is, save the waste consuming and avoiding pure water of clear water.
It is preferred that described first aperture is 20%.
It is preferred that described second aperture is more than 20%.
According to technique scheme, the paper machine system of the present invention can play following Advantageous Effects:Concrete by setting The first aperture and the second aperture so that the second aperture is more than the first aperture, can preferably save consuming and avoiding clear of clear water The waste of plain boiled water, and ensure the normal production of paper machine system.
It is preferred that described second aperture is 60%.
According to technique scheme, the paper machine system of the present invention can play following Advantageous Effects:By setting preferably The second aperture, can complete relatively large moisturizing within a short period of time, ensure the normal production of paper machine system.
It is preferred that the liquid level of described pure water tower is by the pure water tower liquid level sensor being arranged in described pure water tower To measure.
According to technique scheme, the paper machine system of the present invention can play following Advantageous Effects:By pure water tower Liquid level sensor, can timely and accurately measure pure water tower liquid level it is ensured that preferably saving consuming and avoiding pure of clear water The waste of water.
It is preferred that the liquid level of described plain boiled water tower to be surveyed by the plain boiled water tower liquid level sensor being arranged in described plain boiled water tower Amount.
According to technique scheme, the paper machine system of the present invention can play following Advantageous Effects:By plain boiled water tower liquid Level sensor, can timely and accurately measure plain boiled water tower liquid level it is ensured that preferably saving consuming and avoiding pure water of clear water Waste.
It is preferred that described two tower liquid level difference are controlled in the range of ± 10%.
According to technique scheme, the paper machine system of the present invention can play following Advantageous Effects:Can preferably ensure The normal production of paper machine system.
Brief description
Fig. 1 is the schematic block diagram of the paper machine system of one embodiment of the invention.
Reference numerals list:
1:Pure water tower
2:Plain boiled water tower
3:First paper machine
4:Second paper machine
5:Water pipe
6:Water compensating valve
Specific embodiment
The specific embodiment of the present invention explained below is it should be pointed out that specific descriptions in these embodiments During, in order to carry out brief and concise description, this specification all can not possibly be made to all features of actual embodiment in detail Most description.It is to be understood that in the actual implementation process of any one embodiment, as in any one work During journey project or design object, in order to realize the objectives of developer, in order to meet system related or business The related restriction of industry, usually can make various concrete decision-makings, and this also can be implemented to another kind of from a kind of embodiment Change between mode.Although moreover, it is to be understood that done effort in this development process is probably complexity And tediously long, but for those of ordinary skill in the art related to present disclosure, in the disclosure Some designs carrying out on the basis of the technology contents disclosing, the change such as manufacturing or produce is conventional technique means, no Should be understood to that content of this disclosure is insufficient.
Unless otherwise defined, used in claims and specification, technical term or scientific terminology should be this There is in bright art the ordinary meaning that the personage of general technical ability is understood.Present patent application specification and power Used in sharp claim, " first ", " second " and similar word are not offered as any order, quantity or importance, and It is used only to distinguish different parts.The similar word such as " one " or " one " is not offered as quantity and limits, but represents There is at least one.The word that " inclusion " or "comprising" etc. are similar to means to occur in the element before " inclusion " or "comprising" Or object cover the element occurring in " inclusion " or "comprising" presented hereinafter or object and its equivalent element it is not excluded that Other elements or object.The word that " connection " or " being connected " etc. are similar to is not limited to physics or machinery connection, It is also not necessarily limited to direct or indirectly connect.
Fig. 1 is the schematic block diagram of the paper machine system of one embodiment of the invention.As shown in figure 1, a kind of paper machine system includes: First paper machine 3, for the first paper machine 3 and connect to the pure water tower 1 of the first paper machine 3, the second paper machine 4, for the second paper machine 4 and Connect to the plain boiled water tower 2 of the second paper machine 4 and be connected to water pipe 5 between pure water tower 1 and plain boiled water tower 3, water pipe 5 are provided with water compensating valve 6,
Wherein, when the liquid level of pure water tower 1 is less than or equal to 60%, water compensating valve 6 is closed, and dialogue water tower 2 does not carry out moisturizing,
When the liquid level of pure water tower 1 is more than 60% and is less than or equal to 70%, or when the liquid level of pure water tower 1 is more than 70% and two tower liquid level difference be less than or equal to 0 when, water compensating valve 6 is opened with the first aperture, carries out moisturizing, wherein, two with dialogue water tower 2 Tower liquid level difference refers to that the liquid level of pure water tower 1 deducts the liquid level of plain boiled water tower 2, and
When pure water tower 1 liquid level be more than 70% and two tower liquid level difference be more than 0 when, water compensating valve 6 is opened with the second aperture, with Dialogue water tower 2 carries out moisturizing, and wherein, the second aperture is more than the first aperture.
So, the present invention can be with saving water resource, i.e. save the waste consuming and avoiding pure water of clear water.
That is, the present invention is provided with water pipe 5 between pure water tower 1 and plain boiled water tower 3, and in water pipe 5 On be provided with water compensating valve 6, thus when necessary the pure water in pure water tower 1 is supplemented to plain boiled water tower 3.Additionally, root of the present invention According to liquid level and/or the two tower liquid level difference of pure water tower 1, to determine aperture (that is, closing, first aperture or second of water compensating valve 6 Aperture).Said process can be carried out automatically by controller and control program, also can be by manually carrying out.
If additionally, picture needs dialogue water tower to supplement clear water in the prior art, then because clear water is derived from natural fresh water Domain, also needed to using steam, it be heated before being supplemented to paper machine.The present invention is due to using in pure water tower Unnecessary pure water dialogue water tower carries out moisturizing, saves the consumption of clear water, it also avoid carrying out steam heating to clear water simultaneously, saves The consumption of steam energy.
It is preferred that the first aperture is 20%, the second aperture is more than 20%.
In the case that the first aperture is 20%, flow is about 6L/s, and total flow is about 22m within one hour3.In the second aperture In the case of 20%, flow is about 6L/s to 75L/s, and total flow is about 22m within one hour3To 270m3.
So, the present invention passes through to set specific first aperture and the second aperture so that the second aperture is more than the first aperture, The waste consuming and avoiding pure water of clear water can preferably be saved, and ensure the normal production of paper machine system.
Certainly, those skilled in the art are appreciated that on the basis of the disclosure of invention the first of above-mentioned setting opens Degree is adjustable, is not limited to 20%.
It is preferred that the second aperture is 60%.
So, the present invention passes through to set the preferably second aperture, can complete relatively large moisturizing within a short period of time, ensures paper The normal production of machine system.
Certainly, those skilled in the art are appreciated that on the basis of the disclosure of invention the second of above-mentioned setting opens Degree is adjustable, is not limited to 60%.
It is preferred that the liquid level of pure water tower 1 to be surveyed by the pure water tower liquid level sensor being arranged in pure water tower 1 Amount.
So, the present invention pass through pure water tower liquid level sensor, can timely and accurately measure pure water tower liquid level it is ensured that Preferably save the waste consuming and avoiding pure water of clear water.
It is preferred that the liquid level of plain boiled water tower 2 to be measured by the plain boiled water tower liquid level sensor being arranged in plain boiled water tower 2.
So, the present invention passes through plain boiled water tower liquid level sensor, can timely and accurately measure plain boiled water tower liquid level it is ensured that more preferably The waste consuming and avoiding pure water of clear water is saved on ground.
It is preferred that two tower liquid level difference are controlled in the range of ± 10%.
So, the normal production of paper machine system can preferably be ensured.
Certainly, those skilled in the art are appreciated that two tower liquid of above-mentioned setting on the basis of the disclosure of invention Potential difference is adjustable, is not limited to ± 10%.
Above the specific embodiment of the present invention is described, it will be apparent, however, to one skilled in the art, that above-mentioned tool Body embodiment is not construed as limiting the invention, and those skilled in the art can be carried out on the basis of disclosure above Multiple modifications, and without departing from the scope of the present invention.

Claims (7)

1. a kind of paper machine system is it is characterised in that described paper machine system includes the first paper machine, for the first paper machine and connect to the The pure water tower of one paper machine, the second paper machine, for the second paper machine and connect to the plain boiled water tower of the second paper machine and be connected to described Water pipe between pure water tower and described plain boiled water tower, described water pipe is provided with water compensating valve,
Wherein, when the liquid level of described pure water tower is less than or equal to 60%, described water compensating valve is closed, and described plain boiled water tower is not carried out Moisturizing,
When the liquid level of described pure water tower is more than 60% and is less than or equal to 70%, or when the liquid level of described pure water tower is more than 70% and two tower liquid level difference be less than or equal to 0 when, described water compensating valve is opened with the first aperture, so that moisturizing is carried out to described plain boiled water tower, Wherein, described two tower liquid level difference refer to that the liquid level of described pure water tower deducts the liquid level of described plain boiled water tower, and
When described pure water tower liquid level be more than 70% and two tower liquid level difference be more than 0 when, described water compensating valve is opened with the second aperture, To carry out moisturizing to described plain boiled water tower, wherein, described second aperture is more than described first aperture.
2. paper machine system as claimed in claim 1 is it is characterised in that described first aperture is 20%.
3. paper machine system as claimed in claim 1 is it is characterised in that described second aperture is more than 20%.
4. paper machine system as claimed in claim 3 is it is characterised in that described second aperture is 60%.
5. paper machine system as claimed in claim 1 is it is characterised in that the liquid level of described pure water tower is described pure by being arranged at Pure water tower liquid level sensor in water tower is measuring.
6. paper machine system as claimed in claim 1 is it is characterised in that the liquid level of described plain boiled water tower is by being arranged at described plain boiled water tower Interior plain boiled water tower liquid level sensor is measuring.
7. paper machine system as claimed in claim 1 is it is characterised in that described two tower liquid level difference are controlled in ± 10% scope Interior.
CN201610957487.1A 2016-11-02 2016-11-02 Paper machine system Active CN106400570B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610957487.1A CN106400570B (en) 2016-11-02 2016-11-02 Paper machine system

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Application Number Priority Date Filing Date Title
CN201610957487.1A CN106400570B (en) 2016-11-02 2016-11-02 Paper machine system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109056405A (en) * 2018-10-29 2018-12-21 芬欧汇川(中国)有限公司 Paper machine system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5258699B2 (en) * 2009-08-05 2013-08-07 合資会社オリエンタル White water supply valve mechanism and white water supply method
CN103726387A (en) * 2014-01-11 2014-04-16 金东纸业(江苏)股份有限公司 Paper machine water saving system and method
CN204174472U (en) * 2014-10-31 2015-02-25 玖龙纸业(太仓)有限公司 A kind for the treatment of apparatus of paper machine white water
CN204199107U (en) * 2014-11-11 2015-03-11 玖龙浆纸(乐山)有限公司 A kind of paper machine produces plain boiled water and fiber recovery re-use device
CN105525526A (en) * 2015-09-22 2016-04-27 芬欧汇川(中国)有限公司 Pulping sytem
CN206219889U (en) * 2016-11-02 2017-06-06 芬欧汇川(中国)有限公司 Paper machine system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5258699B2 (en) * 2009-08-05 2013-08-07 合資会社オリエンタル White water supply valve mechanism and white water supply method
CN103726387A (en) * 2014-01-11 2014-04-16 金东纸业(江苏)股份有限公司 Paper machine water saving system and method
CN204174472U (en) * 2014-10-31 2015-02-25 玖龙纸业(太仓)有限公司 A kind for the treatment of apparatus of paper machine white water
CN204199107U (en) * 2014-11-11 2015-03-11 玖龙浆纸(乐山)有限公司 A kind of paper machine produces plain boiled water and fiber recovery re-use device
CN105525526A (en) * 2015-09-22 2016-04-27 芬欧汇川(中国)有限公司 Pulping sytem
CN206219889U (en) * 2016-11-02 2017-06-06 芬欧汇川(中国)有限公司 Paper machine system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109056405A (en) * 2018-10-29 2018-12-21 芬欧汇川(中国)有限公司 Paper machine system

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