A kind of Deinking Pulp line tailings white water recycle reclaiming system
Technical field
The present invention relates to pulp technology for making paper, more particularly to a kind of Deinking Pulp line tailings white water recycle reclaiming system.
Background technique
In face of the rapid development situation of increasingly fierce industry competition and packaging industry, while with environment in world wide
The propulsion of protection, green technology for making paper, energy-saving and emission-reduction are the targets that paper industry is advocated.Deinking processing is carried out using wastepaper, into
And replace our tradition that wood pulp is used to carry out papermaking using Deinking Pulp, become the trend and mainstream of paper industry.
Pulp from decoloured waste paper production line guarantees qualified slurry for copying to remove ink, sicker, the impurity in waste paper
Paper uses, and the processes such as pulp from decoloured waste paper production line screened, purified, flotation are handled, during processing, a large amount of tail
Slag discharge, these tailings increase the load of sewage treatment plant, while increasing cost of sewage disposal.Also, these tailings because
Containing a large amount of moisture content, if being exhausted directly to sewage treatment plant, water waste, inadequate energy-saving and emission-reduction are caused.In addition, deinking
Production line is starched since process is relatively more, so that workshop rinse dosage increases, and then improves production cost.
Summary of the invention
It is an object of the invention to provide a kind of Deinking Pulp line tailings plain boiled water time aiming at the deficiencies in the prior art
Reclaiming system is received, which can save rinse dosage, and reduce sewage discharge, into
And reduce production cost.
In order to achieve the above objectives, the present invention is achieved through the following technical solutions.
A kind of Deinking Pulp line tailings white water recycle reclaiming system, including tailings slot, polydisc thickener, the pure water of polydisc are provided
Pond, flocculant dissolving tank, air floatation machine, clarified white water pond, plate type pressure filter;
The output end of the tailings slot is connect with the first input end of the polydisc thickener, and the of the polydisc thickener
One output end exports pure water and connect with the input terminal in the pure pond of the polydisc, the second output terminal of the polydisc thickener
It exports turbid plain boiled water and is connect with the input terminal of the plate type pressure filter;
First output end in the pure pond of polydisc is connect with the input terminal of the air floatation machine, the pure pond of polydisc
Second output terminal connect with the second input terminal of the polydisc thickener;
The output end of the flocculant dissolving tank is connect with the input terminal of the air floatation machine, the first output of the air floatation machine
End output dross is simultaneously connect with the input terminal of the plate type pressure filter, and the second output terminal output clarified white water of the air floatation machine is simultaneously
It is connect with the input terminal in the clarified white water pond.
The Deinking Pulp line tailings white water recycle reclaiming system further includes the turbid white water chest of polydisc, and the of the polydisc thickener
Two output ends export turbid plain boiled water and first connect with the input terminal of the turbid white water chest of the polydisc, and the output end of the turbid white water chest of polydisc is again
It is connect with the input terminal of the plate type pressure filter.
The output end of the turbid white water chest of polydisc is provided with the first branch line and second branched pipe road, first branch
Pipeline is connect with the input terminal of the plate type pressure filter, and the second branched pipe road connects trench.
First branch line and the second branched pipe road are provided with valve.
The valve is set as manually gate valve.
The output end in the clarified white water pond is connect with the input terminal of the turbid white water chest of the polydisc.
It is defeated that pipeline between the output end of the tailings slot and the first input end of the polydisc thickener is provided with first
Send pump.
Pipeline between first output end in the pure pond of polydisc and the input terminal of the air floatation machine is provided with second
Delivery pump, the pipeline setting between the second output terminal in the pure pond of polydisc and the second input terminal of the polydisc thickener
There is third delivery pump.
Pipeline between the output end of the flocculant dissolving tank and the input terminal of the air floatation machine is provided with the 4th conveying
Pump.
Pipeline between the output end in the clarified white water pond and the input terminal of the turbid white water chest of the polydisc is provided with the 5th
Delivery pump.
Beneficial effects of the present invention:
(1) a kind of Deinking Pulp line tailings white water recycle reclaiming system provided by the invention, including the concentration of tailings slot, polydisc
The pure pond of machine, polydisc, flocculant dissolving tank, air floatation machine, clarified white water pond, plate type pressure filter;Due to the pure pond of polydisc
First output end exports clarified white water to clarified white water pond after air floatation machine, these clarified white waters can be used as workshop water, and
And since first output end in the pure pond of polydisc exports dross to plate type pressure filter after air floatation machine, plate type pressure filter will be floated
Slag squeezes the power generation of Hou Song steam power plant, and then can reduce the load of sewage treatment plant;In addition, the second of the pure pond of polydisc exports
End is connect with the second input terminal of polydisc thickener, to be used to clean polydisc thickener, and then further saves rinse dosage.Cause
This, which can save rinse dosage, and reduce sewage discharge, and then reduce life
Produce cost.
(2) a kind of Deinking Pulp line tailings white water recycle reclaiming system provided by the invention has structure simple, production cost
It is low, and the characteristics of being mass produced can be suitable for.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Deinking Pulp line tailings white water recycle reclaiming system of the present invention.
Include in Fig. 1:
Tailings slot 1;
Polydisc thickener 2;
The pure pond 3 of polydisc;
Flocculant dissolving tank 4;
Air floatation machine 5;
Clarified white water pond 6;
Plate type pressure filter 7;
The turbid white water chest 8 of polydisc, the first branch line 81, second branched pipe road 82;
Valve 9;
First delivery pump 10;
Second delivery pump 11;
Third delivery pump 12;
4th delivery pump 13;
5th delivery pump 14
Trench 15.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Embodiment and attached drawing, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
A kind of Deinking Pulp line tailings white water recycle reclaiming system of the present embodiment, as shown in Figure 1, including tailings slot 1, polydisc
The pure pond 3 of thickener 2, polydisc, flocculant dissolving tank 4, air floatation machine 5, clarified white water pond 6, plate type pressure filter 7;Wherein, tailings
The output end of slot 1 is connect with the first input end of polydisc thickener 2, and the first output end of polydisc thickener 2 exports pure water simultaneously
Connect with the input terminal in the pure pond 3 of polydisc, the second output terminal of polydisc thickener 2 export turbid plain boiled water and with plate type pressure filter 7
Input terminal connection;Wherein, first output end in the pure pond 3 of polydisc is connect with the input terminal of air floatation machine 5, the pure pond of polydisc
3 second output terminal is connect with the second input terminal of polydisc thickener 2;Wherein, the output end and air floatation machine of flocculant dissolving tank 4
5 input terminal connection, the first output end output dross of air floatation machine 5 are simultaneously connect, air floatation machine 5 with the input terminal of plate type pressure filter 7
Second output terminal output clarified white water and connect with the input terminal in clarified white water pond 6.
In the actual production process, due to first output end in the pure pond 3 of polydisc exported after air floatation machine 5 clarification it is white
For water to clarified white water pond 6, these clarified white waters can be used as workshop water, and then save rinse dosage, also, since polydisc is clear
First output end of white water chest 3 exports dross to plate type pressure filter 7 after air floatation machine 5, and plate type pressure filter 7 will be sent after dross compression
Steam power plant's power generation, and then the load of sewage treatment plant can be reduced;In addition, the second output terminal and polydisc in the pure pond 3 of polydisc
Second input terminal of thickener 2 connects, and to be used to clean polydisc thickener 2, and then further saves rinse dosage.Therefore, should
Deinking Pulp line tailings white water recycle reclaiming system can save rinse dosage, reduce production cost, and can reduce sewage row
It puts, reduces cost of sewage disposal, thus have the advantages that energy-saving and emission-reduction.
In the present embodiment, which further includes the turbid white water chest 8 of polydisc, polydisc concentration
The second output terminal of machine 2 exports turbid plain boiled water and first connect with the input terminal of the turbid white water chest 8 of polydisc, the output end of the turbid white water chest 8 of polydisc
It is connect again with the input terminal of plate type pressure filter 7, and then when plate type pressure filter 7 once breaking down, the second of polydisc thickener 2 is defeated
Outlet, which exports turbid plain boiled water, can be stored in the turbid white water chest 8 of polydisc.
In the present embodiment, the output end of the turbid white water chest 8 of polydisc is provided with the first branch line 81 and second branched pipe road 82,
First branch line 81 is connect with the input terminal of plate type pressure filter 7, and second branched pipe road 82 connects trench 15.So that working as plate
Formula filter press 7 is once break down, and after the turbid plain boiled water that the turbid white water chest 8 of polydisc stores reaches full pond, second branched pipe road 82 is connected
Trench 15 can drain the turbid plain boiled water not stored.
In the present embodiment, the first branch line 81 and second branched pipe road 82 are provided with valve 9.Valve 9 is set as hand
Dynamic slide valve, and then convenient for the first branch line 81 of control and second branched pipe road 82.
In the present embodiment, the output end in clarified white water pond 6 is connect with the input terminal of the turbid white water chest 8 of polydisc, so that working as
After the clarified white water that clarified white water pond 6 stores reaches full pond, clarified white water can input the turbid white water chest 8 of polydisc, can be avoided wave
Water wasting source.
In the present embodiment, the pipeline between the output end of tailings slot 1 and the first input end of polydisc thickener 2 is provided with
One delivery pump 10, first delivery pump 10 is convenient for the object between the output end of tailings slot 1 and the first input end of polydisc thickener 2
Material conveying.
In the present embodiment, the pipeline between first output end in the pure pond 3 of polydisc and the input terminal of air floatation machine 5 is provided with
Second delivery pump 11, second delivery pump 11 is convenient between first output end in the pure pond 3 of polydisc and the input terminal of air floatation machine 5
Material conveying, the pipeline between the second output terminal in the pure pond 3 of polydisc and the second input terminal of polydisc thickener 2 is provided with
Third delivery pump 12, the third delivery pump 12 convenient for the pure pond 3 of polydisc second output terminal and polydisc thickener 2 it is second defeated
Enter the material conveying between end.
In the present embodiment, the pipeline between the output end of flocculant dissolving tank 4 and the input terminal of air floatation machine 5 is provided with the 4th
Delivery pump 13.4th delivery pump 13 is defeated convenient for the material between the output end of flocculant dissolving tank 4 and the input terminal of air floatation machine 5
It send.
In the present embodiment, the pipeline between the input terminal of the turbid white water chest 8 of the output end and polydisc in clarified white water pond 6 is provided with
5th delivery pump 14.5th delivery pump 14 is convenient between the output end in clarified white water pond 6 and the input terminal of the turbid white water chest 8 of polydisc
Material conveying.
Finally it should be noted that the above examples are only used to illustrate the technical scheme of the present invention rather than protects to the present invention
The limitation of range, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should be managed
Solution, can with modification or equivalent replacement of the technical solution of the present invention are made, without departing from technical solution of the present invention essence and
Range.