CN106958162A - A kind of water-saving system and its water-saving method of high-grade culture paper - Google Patents
A kind of water-saving system and its water-saving method of high-grade culture paper Download PDFInfo
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- CN106958162A CN106958162A CN201710137141.1A CN201710137141A CN106958162A CN 106958162 A CN106958162 A CN 106958162A CN 201710137141 A CN201710137141 A CN 201710137141A CN 106958162 A CN106958162 A CN 106958162A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/20—Waste heat recovery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a kind of water-saving system of high-grade culture paper and its processing method, belong to clean paper making technical field, water-saving system includes paper machine white water processing system, heat recovery tower moisture processing system and sealing water treatment system；Paper machine white water processing system is provided with polydisc thickener, and polydisc thickener filtering plain boiled water can be recycled slurry, super pure water, pure water etc.；Heat recovery tower moisture processing system includes heat recovery tower, heat exchanger, the first filter and warm water tank, and heat recovery tower high temperature moisture is cooled to condensed water through heat exchange process, flowed into after condensation water filtration in warm water tank；Sealing water treatment system uses the sealing water after equipment use to be stored in vacuum in condenser groove by water is sealed, and flowing back to sealing water after filtering twice uses in equipment.The present invention can reduce the pollution of paper machine white water, high temperature moisture and sealing water to environment, while reducing water resource waste.
Description
Technical field
The invention belongs to water-saving system and its place of clean paper making technical field, more particularly to a kind of high-grade culture paper
Reason method.
Background technology
Paper making equipment papermaking generally require by pulping, defibrination, stream starch, manufacture paper with pulp, squeeze, dry and press polish after can just be made
Paper.It can produce in paper machine white water, paper machine white water and be suspended containing substantial amounts of fiber fines, inorganic filler in paper manufacturing process
The dissolubility colloidal substance such as thing, chemical assistant.Dissolving COD (chemical oxygen demand) and BOD in general undressed paper machine white water
(biochemical aerobic amount) index is respectively 300~800mg/L and 100~300mg/L, and suspension content is 900~3500mg/L.Make
The discharge capacity of paper industrial water is very big, if not being acted upon, recycling, this is not only polluted to environment, also to water resource
Cause to waste and improve production cost.
In the technological process of papermaking, drying section needs that substantial amounts of steam is entered into line replacement and row by gas hood ventilating system
Go out, reach the purpose of drying paper.Two ways is taken in discharge of the existing gas hood ventilating system to high temperature moisture：1) directly arrange
Put；2) gas hood ventilating system is provided with heat reclamation device, and the heat of high-temperature gas is reclaimed.However, containing in high temperature moisture
There are part moisture and impurity, if being directly discharged in environment, not only cause water resource waste, and pollute the environment.
Paper making equipment needs to use sealing water to be cooled down, cooled to machinery, and such as vavuum pump, sealing water uses a period of time
Often directly excluded as waste water afterwards.This not only pollutes environment, and also needs to additionally supplement clear water as sealing water, with true
Protect the normal of paper making equipment to use, cause the waste of water resource.
Clean manufacturing is the inexorable trend of paper industry sustainable development, it is therefore necessary to during the manufacture of high-grade culture paper
Paper machine white water, high temperature moisture and the sealing water of generation carry out relevant treatment and recycling.
The content of the invention
Present invention aims to overcome that the deficiency that prior art is present, and a kind of water-saving system of high-grade culture paper is provided,
The water-saving system can reduce the pollution of paper machine white water, high temperature moisture and sealing water to environment, while reducing water resource waste.
To achieve the above object, the technical scheme taken of the present invention is：A kind of water-saving system of high-grade culture paper, including paper
Machine plain boiled water processing system, heat recovery tower moisture processing system and sealing water treatment system；
It is paper machine white water groove that the paper machine white water processing system includes being sequentially connected by pipeline, multi-disc filter, super clear
White water chest, spray tank, the spray tank are used to spray the super pure water in super pure pond to paper machine net splenium；
The heat recovery tower moisture processing system includes heat recovery tower, heat exchanger, fresh water pipeline, the first filter and temperature
Tank, the exhaust end of the heat recovery tower is connected by pipeline with the inlet end of the heat exchanger, and the heat exchanger enters
Water end (W.E.) installs the fresh water pipeline, and the condensed water outlet side of the heat exchanger is connected by pipeline with first filter,
First filter is connected by pipeline with the water inlet end of the warm water tank, the water inlet end of the warm water tank also by pipeline with
The hot water outlet side of the heat exchanger is connected；
It is described sealing water treatment system include be sequentially connected by pipeline sealed cistern, sealing water use equipment and sealing
Water Sproading groove, the water side of the vacuum in condenser groove is connected by pipeline with the water inlet end of the sealed cistern, the sealing
3rd filter, the sealed cistern and the sealing are installed on the pipeline connected between tank and the vacuum in condenser groove
Water on the pipeline connected between equipment using being provided with the 4th filter.
As the improvement of above-mentioned technical proposal, the paper machine white water processing system also includes distinguishing with the multi-disc filter
The blending chest of connection, pure pond and turbid white water chest, the blending chest, which is used to collect, reclaims slurry, the pure pond connection
There are deslagging device and flushing pipe, the deslagging device is used to the pure water in pure pond carrying out slagging-off cleaning, institute to slurry
Stating flush pipe is used to fall the pure water in pure pond to the paper web progress punching of pulper, and the turbid white water chest is used to collect turbid white
Water.
Preferably, the paper machine white water processing system also includes bed course stock tank, the bed course stock tank and the paper machine white water
Pipeline between groove and the multi-disc filter is connected, and the bed course stock tank provides bed course slurry for polydisc thickener, can both keep away
Exempt from the waste of bed course slurry, fibre concentration in recovery slurry can be increased again.
The slurry concentration of paper machine white water is 0.15%~0.3%, and the slurry concentration for reclaiming slurry is 3%~4%, pure water
Slurry concentration is 0.005%~0.01%, and the slurry concentration of turbid plain boiled water is 0.03%~0.05%, the slurry concentration of super pure water
For 0.0025%~0.0035%, the slurry concentration of bed course slurry is 3%~4%.
As the improvement of above-mentioned technical proposal, installed on the pipeline connected between the heat recovery tower and the heat exchanger
There is the second filter.
Further improved as above-mentioned technical proposal, first filter, the second filter, the 3rd filter and
The filter core aperture of four filters is 150 μm, and the size in filter core aperture is more suitable, can be obtained in the rate of filtration and impurity-eliminating effect
Preferable effect.
Further improved as above-mentioned technical proposal, provided with condensation between first filter and the warm water tank
Tank, the condensate draining is connected with the water inlet end and first filter of warm water tank respectively by pipeline, the condensation
It is provided with first flowmeter and the first magnetic valve, the warm water tank and installs on the pipeline connected between tank and the warm water tank
Having be provided with second flowmeter and the second electromagnetism on thermometer, the pipeline connected between the warm water tank and the heat exchanger
Valve.
As the improvement of above-mentioned technical proposal, the vacuum in condenser groove includes the first vacuum in condenser groove, the second sealing
Water Sproading groove and the 3rd vacuum in condenser groove, the sealing water are close with described first respectively by pipeline using the water side of equipment
The water inlet end of water shutoff accumulator tank, the second vacuum in condenser groove and the 3rd vacuum in condenser groove is connected, first vacuum in condenser
It is provided with the 3rd entering water electromagnetic valve, the pipeline of the first vacuum in condenser groove water side and is provided with the pipeline of groove water inlet end
4th entering water electromagnetic valve, described are installed on the 3rd water solenoid valve, the pipeline of the second vacuum in condenser groove water inlet end
4th water solenoid valve is installed on the pipeline of two vacuum in condenser groove water sides, the 3rd vacuum in condenser groove water inlet end
It is provided with pipeline and is provided with the 5th on the 5th entering water electromagnetic valve, the pipeline of the 3rd vacuum in condenser groove water side and goes out water power
Magnet valve.
Further improved as above-mentioned technical proposal, liquid level sensor, the sealing are installed in the sealed cistern
Tank and the sealing water to use and install the 6th magnetic valve on the pipeline between equipment.
In addition, the present invention also provides the processing method of the water-saving system, including paper machine white water processing method, heat recovery tower
Moisture processing method, sealing method for treating water；
The paper machine white water processing method is：The plain boiled water of paper machine white water groove is through pipeline flow-direction polydisc thickener, polydisc concentration
Machine filtering plain boiled water obtains super pure water, and super pure water is passed through again through the super pure pond of pipeline flow-direction, the super pure water in super pure pond
Pipeline flow-direction sprays tank, and the super pure water of spray tank is used for the spray of paper machine net splenium；
The heat recovery tower moisture processing method is：The high temperature moisture of heat recovery tower leads to heat exchanger through pipeline, and heat is handed over
Parallel operation is heated to the clear water of fresh water pipeline, and the clear water after heating is through pipeline flow-direction warm water tank, and heat exchanger is to high temperature moisture
Condensed, condensed water is through the filter of pipeline flow-direction first, and the condensed water after the filtering of the first filter is through pipeline flow-direction warm water tank；
It is described sealing method for treating water be：Sealing water after water-tight equipment use through pipeline flow-direction vacuum in condenser groove, and
Stored；The sealing water of vacuum in condenser groove is through the filter of pipeline flow-direction the 3rd；Sealing water warp after the filtering of 3rd filter
Pipeline flow-direction sealed cistern, and stored；The sealing water of sealed cistern is through the filter of pipeline flow-direction the 4th, the 4th filter mistake
Sealing water after filter uses equipment through pipeline flow-direction sealing water.
As the improvement of above-mentioned technical proposal, polydisc thickener filtering plain boiled water is also recycled slurry, pure water and turbid
Plain boiled water；Slurry is reclaimed through pipeline flow-direction blending chest, slurry is reclaimed for the with slurry of paper machine；Pure water through the pure pond of pipeline flow-direction,
The pure current direction deslagging device in pure pond and punching fall pipeline, and the pure water of deslagging device is used for the slagging-off cleaning of slurry, punching
The pure water for falling pipeline falls for the paper web punching of pulper；Turbid plain boiled water is stored through the turbid white water chest of pipeline flow-direction；
The high temperature moisture of the heat recovery tower leads to the second filter, the high temperature moisture after the filtering of the second filter through pipeline
Lead to heat exchanger through pipeline again；Condensed water after the filtering of first filter is stored through pipeline flow-direction condensate draining；The
Flow meters and the first magnetic valve are used for regulating and controlling to enter in warm water tank condensing water volume；Second flowmeter and the second magnetic valve are used for
Regulation and control, which enter, heats clear water volume in warm water tank.
The liquid level sensor installed as the improvement of above-mentioned technical proposal in the first vacuum in condenser groove and the first sealing
The 3rd entering water electromagnetic valve and the 3rd water solenoid valve that Water Sproading groove water inlet end, water side are respectively mounted are used for regulating and controlling the first sealing
Water volume is sealed in Water Sproading groove；The liquid level sensor and the second vacuum in condenser groove installed in second vacuum in condenser groove enter
The 4th entering water electromagnetic valve and the 4th water solenoid valve that water end (W.E.), water side are respectively mounted are used for regulating and controlling in the second vacuum in condenser groove
Seal water volume；The liquid level sensor installed in 3rd vacuum in condenser groove and the 3rd vacuum in condenser groove water inlet end, water outlet
The 5th entering water electromagnetic valve being respectively mounted and the 5th water solenoid valve is held to seal water body for regulating and controlling in the 3rd vacuum in condenser groove
Product；The 6th magnetic valve that the liquid level sensor installed in sealed cistern and sealed cistern water side are installed is used for regulating and controlling sealing water
Using sealing water volume in equipment.
The beneficial effects of the present invention are：The water-saving system of high-grade culture paper of the present invention include paper machine white water processing system,
Heat recovery tower moisture processing system and sealing water treatment system；Paper machine white water processing system is provided with polydisc thickener, polydisc concentration
Machine handles plain boiled water classification, can be recycled slurry, super pure water, pure water and turbid plain boiled water；Heat recovery tower moisture processing system
Including heat recovery tower, heat exchanger, the first filter and warm water tank, heat recovery tower high temperature moisture is cooled to through heat exchange process
Condensed water, is flowed into warm water tank after condensation water filtration, is recycled；Sealing water treatment system uses equipment by water is sealed
Sealing water after use is stored in vacuum in condenser groove, is filtered by the 3rd filter, the sealing water storage after filtering
Exist in sealed cistern, then filtered by the 4th filter, finally flow back to sealing water sharp using in equipment, carrying out repeatedly
With.
Brief description of the drawings
Fig. 1 is paper machine white water processing system of the invention；
Fig. 2 is heat recovery tower moisture processing system of the invention；
Fig. 3 is sealing water treatment system of the invention；
In Fig. 1,1A, paper machine white water groove, 2A, multi-disc filter, 3A, super pure pond, 4A, spray tank, 5A, mixing slurry
Pond, 6A, pure pond, 61A, deslagging device, 62A, flushing pipe, 7A, turbid white water chest, 8A, bed course stock tank；
In Fig. 2,1B, heat recovery tower, 2B, heat exchanger, 3B, the first filter, 4B, warm water tank, 5B, the second filter,
6B, condensate draining, 7B, first flowmeter, 8B, the first magnetic valve, 71B, second flowmeter, 81B, the second magnetic valve, 9B, clear water
Pipeline；
In Fig. 3,1C, sealing water use equipment, 2C, the first vacuum in condenser groove, 21C, the 3rd entering water electromagnetic valve, 22C, the
Three entering water electromagnetic valves, 3C, the second vacuum in condenser groove, 31C, the 4th entering water electromagnetic valve, 32C, the 4th water solenoid valve, 4C,
Three vacuum in condenser grooves, 41C, the 5th entering water electromagnetic valve, 42C, the 5th water solenoid valve, 5C, sealed cistern, 6C, the 3rd filtering
Device, 7C, the 6th magnetic valve, 8C, the 4th filter.
Embodiment
For the object, technical solutions and advantages of the present invention are better described, below in conjunction with specific embodiments and the drawings pair
The present invention is described further.
A kind of embodiment of the water-saving system of high-grade culture paper of the present invention, including paper machine white water processing system, heat are returned
Receive tower moisture processing system and sealing water treatment system.
As shown in figure 1, the paper machine white water processing system includes paper machine white water groove 1A, the polydisc being sequentially connected by pipeline
Filter 2A, super pure pond 3A and spray tank 4A, spray tank 4A super pure water are used for the spray of paper machine net splenium.
The paper machine white water processing system also include be connected respectively with multi-disc filter 2A blending chest 5A, pure pond
6A and turbid white water chest 7A, the blending chest 5A recovery slurry are for the with slurry of paper machine, and pure pond 6A is connected with deslagging device
Pure water is used for the slagging-off cleaning of slurry in 61A, deslagging device 61A, and turbid white water chest 7A is used to collect turbid plain boiled water；The pure water
The pure water that pond 6A is also associated with flushing pipe 62A, the flushing pipe 62A falls for the paper web punching of pulper.
Pipeline connection between the turbid white water chest 7A and paper machine white water groove 1A and multi-disc filter 2A, turbid white water chest 7A's
Turbid plain boiled water, to multi-disc filter 2A, is repeatedly reclaimed by pipeline recirculation flow to turbid plain boiled water, it is to avoid wasted.The paper machine is white
Water treatment system also includes bed course stock tank 8A, and the pipeline between bed course stock tank 8A and paper machine white water groove 1A and multi-disc filter 2A connects
Connect, bed course stock tank 8A provides bed course slurry for multi-disc filter 2A.The bed course slurry that bed course stock tank 8A is reclaimed is white by pipeline and paper machine
Water is mixed, then passes through pipeline flow-direction multi-disc filter 2A；On the one hand the waste that bed course can be avoided to starch, on the other hand can be with
Fibre concentration in slurry is reclaimed in increase, is easy to recovery with slurry.
As shown in Fig. 2 the heat recovery tower moisture processing system, including heat recovery tower 1B, heat exchanger 2B, fresh water pipeline
9B, the first filter 3B and warm water tank 4B, the heat recovery tower 1B exhaust end are entered by pipeline and the heat exchanger 2B's
Gas end is connected, and the water inlet end of the heat exchanger 1B installs the fresh water pipeline 9B, the condensed water discharge of the heat exchanger 1B
End is connected by pipeline with the first filter 3B, the water inlet that the first filter 3B passes through pipeline and the warm water tank 4B
End is connected, and the water inlet end of the warm water tank 4B is also connected by pipeline with the hot water outlet side of the heat exchanger 2B.
Gas hood ventilating system collects the high temperature moisture discharged in paper drying process by heat recovery tower 1B, and high temperature moisture leads to
Piping leads to heat exchanger 2B, and the heat transfer in high temperature moisture is given from fresh water pipeline 9B and flows into heat exchange by heat exchanger 2B
Clear water in device 2B, the clear water of heating is by pipeline flow-direction warm water tank 4B, and the warm water in warm water tank 4B can be used for paper machine net pressure
The spray in portion and cleaning and the preparation of chemicals and dilution etc..Aqueous water is cooled to condensation after heat exchange in high temperature moisture
Water, after condensed water is filtered through the first filter 3B, then passes through pipeline flow-direction warm water tank 4B；First filter 3B can filter condensation
Impurity in water, is collected to impurity；Condensed water after filtering can adjust the temperature of warm water in warm water tank 4B.
Second filter 5B is installed on the pipeline connected between the heat recovery tower 1B and the heat exchanger 2B.It is described
First filter 3B and the second filter 5B filter core aperture are 150 μm, and the size in filter core aperture is more suitable, in the rate of filtration
With preferable effect is obtained on impurity-eliminating effect.
Pass through pipe provided with condensate draining 6B, the condensate draining 6B between the first filter 3B and the warm water tank 4B
Road is connected with the water inlet end and the first filter 3B of the warm water tank 4B respectively, and condensate draining 6B can temporarily store height
Condensed water after warm and humid air cooling filtering, according to warm water tank 4B warm water temperatures and the demand of water, determines condensation flow to warm water
Groove 4B consumption.
First flowmeter 7B and first is installed on the pipeline connected between the condensate draining 6B and the warm water tank 4B
It is provided with magnetic valve 8B, warm water tank 4B on thermometer, the pipeline connected between warm water tank 4B and heat exchanger 2B and is provided with
Two flowmeter 71B and the second magnetic valve 81B.Flowed into by second flowmeter 71B and the second magnetic valve 81B monitorings in warm water tank 4B
Hot water, the condensed water flowed into by first flowmeter 7B and the first magnetic valve 8B controls in warm water tank 4B, in warm water tank 4B
Whether the warm water temperature that thermometer can be monitored in warm water tank 4B reaches requirement.
As shown in figure 3, the sealing water treatment system, including be sequentially communicated by pipeline sealed cistern 5C, sealing water
Using equipment 1C and vacuum in condenser groove, vacuum in condenser groove includes the first vacuum in condenser groove 2C, the second vacuum in condenser groove
3C and the 3rd vacuum in condenser groove 4C, the sealing water is returned with the first sealing water respectively using equipment 1C water side by pipeline
The water inlet end for receiving groove 2C, the second vacuum in condenser groove 3C and the 3rd vacuum in condenser groove 4C is connected, the first vacuum in condenser groove 2C,
Second vacuum in condenser groove 3C and the 3rd vacuum in condenser groove 4C water side are connected with sealed cistern 5C in turn by pipeline, institute
State and the 3rd filter 6C, the sealed cistern are installed on the pipeline connected between sealed cistern 5C and the vacuum in condenser groove
5C and the sealing water on the pipeline connected between equipment 1C using being provided with the 4th filter 8C.
Seal water to use after a period of time using equipment 1C interior sealings water, the first sealing water can be temporarily stored within through pipeline
In return-enclosure 2C, the second vacuum in condenser groove 3C and the 3rd vacuum in condenser groove 4C；Carried out again through the filter 6C of pipeline flow-direction the 3rd
Filtering, removal of impurities；Sealing water after removal of impurities is stored by pipeline flow-direction sealed cistern 5C；When sealing water is needed using equipment 1C
During using sealing water, sealing water in sealed cistern 5C is by the filter 8C of pipeline flow-direction the 4th, the sealing water after filtering and impurity removing
Flow direction sealing water is used in equipment 1C；The filter core aperture of the 3rd filter 6C and the 4th filter 8C is 150 μm.
First entering water electromagnetic valve 21 is installed on the pipeline of the water inlet end of first vacuum in condenser groove 2, described first is close
First water solenoid valve 22 is installed on the pipeline of the water side of water shutoff accumulator tank 2, the water inlet end of the second vacuum in condenser groove 3
It is provided with pipeline and is provided with second on the second entering water electromagnetic valve 31, the pipeline of the water side of the second vacuum in condenser groove 3 and goes out
The 3rd entering water electromagnetic valve 41, the described 3rd are installed on water solenoid valve 32, the pipeline of the water inlet end of the 3rd vacuum in condenser groove 4
The 3rd water solenoid valve 42 is installed on the pipeline of the water side of vacuum in condenser groove 4.
And the first vacuum in condenser groove 2C, the second vacuum in condenser groove 3C and the 3rd vacuum in condenser groove 4C even is equipped with
Entering water electromagnetic valve door and water solenoid valve door, can convey quantitative sealing to vacuum in condenser groove 2C, 3C, 4C according to demand
Water, and the sealing water in vacuum in condenser groove 2C, 3C, 4C is delivered to sealed cistern 5C, make vacuum in condenser groove 2C, 3C,
It is not interfere with each other between 4C.
It is respectively mounted in the first vacuum in condenser groove 2C, the second vacuum in condenser groove 3C and the 3rd vacuum in condenser groove 4C
There is liquid level sensor.The liquid level sensor installed in vacuum in condenser groove 2C, 3C, 4C can monitor the volume of sealing water, so as to
Regulate and control in sealing water.
Liquid level sensor is installed, the sealed cistern 5C and the sealing water use equipment 1C in the sealed cistern 5C
Between the 6th magnetic valve 7C is installed on the pipeline that connects.The liquid level sensor installed in sealed cistern 5C can monitor sealing water
Volume, the sealing water of further removal of impurities is conveyed by the 6th magnetic valve 7C to sealing water using equipment 1C.
It is last to should be noted that above example to illustrate technical scheme rather than to present invention protection
The limitation of scope, although being explained in detail with reference to preferred embodiment to the present invention, one of ordinary skill in the art should manage
Solution, technical scheme can be modified or replaced on an equal basis, without departing from technical solution of the present invention essence and
Scope.
Claims (10)
1. a kind of water-saving system of high-grade culture paper, it is characterised in that at paper machine white water processing system, heat recovery tower moisture
Reason system and sealing water treatment system；
The paper machine white water processing system includes the paper machine white water groove, multi-disc filter, super pure water being sequentially connected by pipeline
Pond, spray tank, the spray tank are used to spray the super pure water in super pure pond to paper machine net splenium；
The heat recovery tower moisture processing system includes heat recovery tower, heat exchanger, fresh water pipeline, the first filter and warm water
Groove, the exhaust end of the heat recovery tower is connected by pipeline with the inlet end of the heat exchanger, the water inlet of the heat exchanger
The fresh water pipeline is installed at end, and the condensed water outlet side of the heat exchanger is connected by pipeline with first filter, institute
State the first filter by pipeline with the water inlet end of the warm water tank to be connected, the water inlet end of the warm water tank also passes through pipeline and institute
The hot water outlet side for stating heat exchanger is connected；
It is described sealing water treatment system include be sequentially connected by pipeline sealed cistern, sealing water using equipment and sealing water return
Groove is received, the water side of the vacuum in condenser groove is connected by pipeline with the water inlet end of the sealed cistern, the sealed cistern
3rd filter is installed, the sealed cistern and the sealing water make on the pipeline connected between the vacuum in condenser groove
With being provided with the 4th filter on the pipeline connected between equipment.
2. water-saving system as claimed in claim 1, it is characterised in that the paper machine white water processing system also include with it is described many
Blending chest, pure pond and turbid white water chest that disk filter is connected respectively, the blending chest, which is used to collect, reclaims slurry, described
Pure pond is connected with deslagging device and flushing pipe, and the deslagging device is used to carry out the pure water in pure pond to slurry
Slagging-off cleaning, the flush pipe is used to fall the pure water in pure pond to the paper web progress punching of pulper, the turbid white water chest
For collecting turbid plain boiled water.
3. water-saving system as claimed in claim 1 or 2, it is characterised in that between the heat recovery tower and the heat exchanger
Second filter is installed on the pipeline of connection.
4. water-saving system as claimed in claim 3, it is characterised in that first filter, the second filter, the 3rd filtering
The filter core aperture of device and the 4th filter is 150 μm.
5. water-saving system as claimed in claim 4, it is characterised in that be provided between first filter and the warm water tank
Condensate draining, the condensate draining is connected with the water inlet end and first filter of warm water tank respectively by pipeline, described
It is provided with the pipeline connected between condensate draining and the warm water tank in first flowmeter and the first magnetic valve, the warm water tank
It is provided with thermometer, the pipeline connected between the warm water tank and the heat exchanger and second flowmeter and the second electricity is installed
Magnet valve.
6. water-saving system as claimed in claim 1, it is characterised in that the vacuum in condenser groove includes the first vacuum in condenser
Groove, the second vacuum in condenser groove and the 3rd vacuum in condenser groove, the sealing water are distinguished using the water side of equipment by pipeline
It is connected with the water inlet end of the first vacuum in condenser groove, the second vacuum in condenser groove and the 3rd vacuum in condenser groove, described
3rd entering water electromagnetic valve is installed on the pipeline of one vacuum in condenser groove water inlet end, the first vacuum in condenser groove water side
It is provided with pipeline and is provided with the 4th on the 3rd water solenoid valve, the pipeline of the second vacuum in condenser groove water inlet end and enters water power
4th water solenoid valve is installed, the 3rd sealing water is returned on magnet valve, the pipeline of the second vacuum in condenser groove water side
It is provided with the 5th entering water electromagnetic valve, the pipeline of the 3rd vacuum in condenser groove water side and installs on the pipeline for receiving groove water inlet end
There is the 5th water solenoid valve.
7. water-saving system as claimed in claim 6, it is characterised in that liquid level sensor, institute are provided with the sealed cistern
State sealed cistern and the sealing water to use and install the 6th magnetic valve on the pipeline between equipment.
8. a kind of water-saving method using the water-saving system as described in claim 1~7, it is characterised in that at paper machine white water
Reason method, heat recovery tower moisture processing method, sealing method for treating water；
The paper machine white water processing method is：The plain boiled water of paper machine white water groove is through pipeline flow-direction polydisc thickener, polydisc thickener mistake
Filter plain boiled water obtains super pure water, and super pure water is through the super pure pond of pipeline flow-direction, and the super pure water in super pure pond is again through pipeline
Flow direction spray tank, the super pure water of spray tank is used for the spray of paper machine net splenium；
The heat recovery tower moisture processing method is：The high temperature moisture of heat recovery tower leads to heat exchanger, heat exchanger through pipeline
The clear water of fresh water pipeline is heated, the clear water after heating is carried out through pipeline flow-direction warm water tank, heat exchanger to high temperature moisture
Condensation, condensed water is through the filter of pipeline flow-direction first, and the condensed water after the filtering of the first filter is through pipeline flow-direction warm water tank；
It is described sealing method for treating water be：Sealing water after water-tight equipment use is carried out through pipeline flow-direction vacuum in condenser groove
Storage；The sealing water of vacuum in condenser groove is through the filter of pipeline flow-direction the 3rd；Sealing water after the filtering of 3rd filter is through pipeline
Sealed cistern is flowed to, and is stored；The sealing water of sealed cistern is through the filter of pipeline flow-direction the 4th, after the filtering of the 4th filter
Sealing water through pipeline flow-direction sealing water use equipment.
9. water-saving method as claimed in claim 8, it is characterised in that the polydisc thickener filtering plain boiled water be also recycled slurry,
Pure water and turbid plain boiled water；Slurry is reclaimed through pipeline flow-direction blending chest, slurry is reclaimed for the with slurry of paper machine；Pure water is through pipeline flow-direction
Pure pond, the pure current direction deslagging device in pure pond and punching fall pipeline, and the pure water of deslagging device is used for removing for slurry
Slag is cleaned, and the pure water that punching falls pipeline falls for the paper web punching of pulper；Turbid plain boiled water is stored up through the turbid white water chest of pipeline flow-direction
Deposit；
The high temperature moisture of the heat recovery tower leads to the second filter through pipeline, and the high temperature moisture after the filtering of the second filter is passed through again
Pipeline leads to heat exchanger；Condensed water after the filtering of first filter is stored through pipeline flow-direction condensate draining；It is first-class
Gauge and the first magnetic valve are used for regulating and controlling to enter in warm water tank condensing water volume；Second flowmeter and the second magnetic valve are used for regulating and controlling
Clear water volume is heated into warm water tank.
10. water-saving method as claimed in claim 8, it is characterised in that the liquid level sensor installed in the first vacuum in condenser groove
And the 3rd entering water electromagnetic valve that is respectively mounted of the first vacuum in condenser groove water inlet end, water side and the 3rd water solenoid valve are used for
Regulate and control in the first vacuum in condenser groove and seal water volume；The liquid level sensor and second installed in second vacuum in condenser groove are close
The 4th entering water electromagnetic valve and the 4th water solenoid valve that water shutoff accumulator tank water inlet end, water side are respectively mounted are close for regulating and controlling second
Water volume is sealed in water shutoff accumulator tank；The liquid level sensor and the 3rd vacuum in condenser groove installed in 3rd vacuum in condenser groove
The 5th entering water electromagnetic valve and the 5th water solenoid valve that water inlet end, water side are respectively mounted are used for regulating and controlling the 3rd vacuum in condenser groove
Middle sealing water volume；The 6th magnetic valve that the liquid level sensor installed in sealed cistern and sealed cistern water side are installed is used for
Regulation and control sealing water in equipment using sealing water volume.
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| CN201710137141.1A CN106958162A (en) | 2017-03-09 | 2017-03-09 | A kind of water-saving system and its water-saving method of high-grade culture paper |
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| CN201710137141.1A CN106958162A (en) | 2017-03-09 | 2017-03-09 | A kind of water-saving system and its water-saving method of high-grade culture paper |
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| CN107604736A (en) * | 2017-10-20 | 2018-01-19 | 南京必蓝环境技术有限公司 | A kind of plain boiled water step processing and reuse technology |
| CN108252149A (en) * | 2017-12-25 | 2018-07-06 | 江苏理文造纸有限公司 | A kind of papermaking green end water imitates method for improving |
| CN110424175A (en) * | 2019-09-04 | 2019-11-08 | 牡丹江恒丰纸业股份有限公司 | A kind of system and method handling paper machine white water and clear water |
| CN111164366A (en) * | 2017-07-18 | 2020-05-15 | 瓦尔梅特股份有限公司 | Perforated exhaust funnel with reduced diameter |
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