CN208151105U - papermaking sewage treatment system - Google Patents

Abstract

The utility model provides a kind of papermaking sewage treatment system, including：Coagulation reaction tank, filtering ponds, pulp saver and sludge-tank；Wherein, coagulation reaction tank is connected with filtering ponds by first pipe, coagulation reaction tank includes the chemicals dosing plant for coagulant to be added, filtering ponds include the first filter chamber and the second filter chamber, first filter chamber is connected with pulp saver, second filter chamber is internally provided with aerator, aerator top and bottom end are connected separately with air inlet pipe and air-dispersing impeller, second filter chamber's top layer is also equipped with chain mud scraper, chain mud scraper is connected with second pipe, and the second pipe other end is connected with auger conveyor.Above system obtains recyclable paper pulp by pulp saver, to realize resource reutilization, reduces papermaking cost, improve benefit；Meanwhile enabling by above system treated papermaking wastewater reaches discharge standard, reduce the pollution to environment.

Description

Papermaking sewage treatment system

Technical field

The utility model relates to technical field of sewage more particularly to a kind of papermaking sewage treatment systems.

Background technique

According to data, paper using amount is 25kg or so to root per capita in China, and developed country per capita paper using amount reach 100kg with On, so the demand of paper shows whether flourishing and living standards of the people the standard of a country.

Therefore, with the improvement of people's living standard in our country, paper requirements amount greatly increases, and small paper mill is also such as the spring after rain Bamboo shoot grow up throughout the country.Waste paper has become important one of pollution sources in people's life, using it is waste paper regenerated again Papermaking is turned waste into wealth, and can greatly mitigate the pollution to environment, but goods and materials conversion is easy to produce secondary pollution.

According to statistics, the yield of ten thousand tons of China small paper mill its paper and cardboard below accounts for national paper industry 60%, and its yield of 20,000 tons or more of paper plant only accounts for 40% or so of national yield.This explanation, the current paper market in China Main power is still these small paper mills.

These small paper mills still can not meet the demand in market, and it is to increase place that they are very important in small towns level-one Fiscal revenues, and solve large quantities of job-waiting people, and pulled a collection of relevant industry, it is the pillar of small towns level-one industry, but Consequent also brings many pollution problems, is in particular in：Since scope of the enterprise is small, insufficient funds are unfavorable for adopting With advanced environmental protection equipment and technology, so pollution is more serious, and without corresponding measure, it is serious to hinder the hair of production Exhibition.Industrial pollution caused by paper manufacturing is administered, clean manufacturing advanced technologies are developed in energy-saving and emission-reduction, develop environmental protection equipment, imperative.

Utility model content

The utility model provides a kind of papermaking sewage treatment system, to solve the problems, such as the processing of papermaking wastewater.

The utility model provides a kind of papermaking sewage treatment system, including：Coagulation reaction tank, filtering ponds, pulp recovery dress It sets and sludge-tank；Wherein, coagulation reaction tank is connected with filtering ponds by first pipe, and coagulation reaction tank includes mixed for being added The chemicals dosing plant of solidifying agent, the filtering ponds include the first filter chamber and the second filtering for the front and back connection being separated by partition wall or grid Room, first filter chamber are connected with the pulp saver, and second filter chamber is internally provided with aerator, described Aerator top and bottom end are connected separately with air inlet pipe and air-dispersing impeller, and second filter chamber top layer is equipped with chain and scrapes mud Machine, the chain mud scraper are connected with second pipe, and the second pipe other end is connected with auger conveyor, the spiral transferring Device is sent to be connected with mud discharging pipe, the mud discharging pipe other end protrudes into the sludge-tank.

Further, chemicals dosing plant includes Scatula and third pipeline, and the first end of the third pipeline is made up a prescription with described Case is connected, and the second end of the third pipeline stretches in the coagulation reaction tank, is additionally provided with use on the third pipeline In the valve for controlling the third pipeline on-off.

Further, coagulant release component, the coagulant release group are provided in the second end of the third pipeline Multiple apertures are provided on part, for discharging the coagulant emitted from chemicals dosing plant.

Further, flowmeter is additionally provided on the third pipeline.

Further, second filter chamber further includes the water for being detected to the water body in second filter chamber Quality detecting device, the water quality detecting device include water quality collector, processor and display screen, the water quality collector for pair The ingredient and content of water body in second filter chamber are acquired, and the collection result of acquisition is sent to the processing The testing result of acquisition after the processor is calculated and judged to the collection result, is sent to the display screen by device It is shown.

Papermaking sewage treatment system provided by the utility model, by coagulation reaction tank and filtering ponds successively to papermaking wastewater It is handled, the dirt separation in papermaking wastewater is come out, and recyclable paper pulp is obtained by pulp saver, to realize Resource reutilization reduces papermaking cost, improves benefit；Meanwhile coagulant is added into coagulation reaction tank by chemicals dosing plant, it can So that the dirt in papermaking wastewater to be processed in coagulation reaction tank be rapidly condensed into it is cotton-shaped, convenient for dirt is further separated Out, enable by above system treated papermaking wastewater reaches discharge standard, reduce the pollution to environment.

Detailed description of the invention

Hereinafter the utility model will be described in more detail based on the embodiments and with reference to the accompanying drawings.Wherein：

Fig. 1 is a structural schematic diagram of papermaking sewage treatment system provided by the embodiment of the utility model.

In the accompanying drawings, identical component uses identical appended drawing reference.The attached drawing is not drawn according to the actual ratio.

Specific embodiment

Below in conjunction with attached drawing, the utility model is described in further detail.

Fig. 1 is a structural schematic diagram of papermaking sewage treatment system provided by the embodiment of the utility model, as shown in Figure 1, The utility model provides a kind of papermaking sewage treatment system, including：Coagulation reaction tank 1, filtering ponds 2, pulp saver are (in figure It is not shown) and sludge-tank 3；Wherein, coagulation reaction tank 1 is connected with filtering ponds 2 by first pipe 4, and coagulation reaction tank 1 includes For the chemicals dosing plant 111 of coagulant to be added, the filtering ponds 2 include the first mistake of the front and back connection being separated by partition wall or grid Filter chamber 21 and the second filter chamber 22, first filter chamber 21 are connected with the pulp saver, second filter chamber 22 are internally provided with aerator, and the aerator top and bottom end are connected separately with air inlet pipe (not shown) and air-dispersing impeller (not shown), 22 top layer of the second filter chamber are equipped with chain mud scraper 221, and the chain mud scraper 221 is connected with Second pipe 222,222 other end of second pipe are connected with auger conveyor 223, and the auger conveyor 223 is connected with Mud discharging pipe 224,224 other end of mud discharging pipe protrude into the sludge-tank 3.

Coagulation reaction tank 1 in Fig. 1, filtering ponds 2, pulp saver and sludge-tank 3 link position can be according to practical feelings Condition is adjusted, merely exemplary in Fig. 1, is not offered as being defined actual link position.

Specifically, coagulation reaction tank 1 includes water inlet, papermaking wastewater to be processed enters from the inlet coagulation reaction tank In 1, coagulation reaction tank 1 includes the chemicals dosing plant 111 for coagulant to be added, and is added from chemicals dosing plant 111 into coagulation reaction tank 1 Add coagulant, it is cotton-shaped to may make that the dirt in the papermaking wastewater to be processed in coagulation reaction tank 1 is rapidly condensed into, is convenient for into one Step separation, meanwhile, coagulation reaction tank 1 further includes blender, under the stirring action of blender, so that coagulant and papermaking wastewater Quickly mixing, and can realize the stirring of more times of cycling rates, shear to suspended solid in water, re-form and big be easy to heavy The floccule body of drop.

The papermaking wastewater to be processed come out from coagulation reaction tank 1 enters in filtering ponds 2, filtering ponds 2 include by partition wall or The first filter chamber 21 and the second filter chamber 22 for the front and back connection that grid are separated into, first filter chamber 21 and the pulp recovery Device is connected, and water and the separation of crude fibre paper pulp is carried out in the first filter chamber 21, and the crude fibre paper pulp separated is deposited It is put into pulp saver.

Second filter chamber 22 is internally provided with aerator, and the aerator top and bottom end are connected separately with air inlet pipe With air-dispersing impeller.The top of air-dispersing impeller is arranged in aerator, is aerated the air-dispersing impeller high speed rotation of motor spindle, understands shape in water At a vacuum area, air enters the area that fills a vacuum in water by air inlet pipe, after air enters vacuum area, and it is high-speed rotating Air-dispersing Impeller trim twist rises to liquid level at microbubble, with papermaking wastewater together.In uphill process, microbubble can be attached So that suspended matter specific gravity is lightened on hydrophobicity suspended matter in sewage, and rise rapidly and float on liquid level, when suspended matter is on liquid level Certain thickness is run up to, second pipe 222 is shifted by chain mud scraper 221, mud discharging pipe is passed through by auger conveyor 223 224 input sludge-tanks 3.

Papermaking sewage treatment system in the present embodiment, by coagulation reaction tank 1 and filtering ponds 2 successively to papermaking wastewater into Row processing, the dirt separation in papermaking wastewater is come out, and obtains recyclable paper pulp by pulp saver, to realize money Source recycles, and reduces papermaking cost, improves benefit；Meanwhile coagulant is added into coagulation reaction tank 1 by chemicals dosing plant 111, It is cotton-shaped to may make that the dirt in the papermaking wastewater to be processed in coagulation reaction tank 1 is rapidly condensed into, convenient for dirt is further It separates, enables by above system treated papermaking wastewater reaches discharge standard, reduce the pollution to environment.

Further, chemicals dosing plant 111 includes 222 third pipeline 113 of Scatula and second pipe, the second pipe The first end of 222 third pipelines 113 is connected with the Scatula, and the second end of the 222 third pipeline 113 of second pipe is stretched Enter into the coagulation reaction tank 1, is additionally provided on the 222 third pipeline 113 of second pipe for controlling second pipe The valve 112 of 222 third pipeline of road, 113 on-off.By the opening and closing of valve 112, can control in Scatula accordingly Whether the dispensing of coagulant.

Further, coagulant release component, institute are provided in the second end of the 222 third pipeline 113 of second pipe It states and is provided with multiple apertures on coagulant release component, for discharging the coagulant emitted from chemicals dosing plant 111.

Further, it is additionally provided with flowmeter on the third pipeline 113, the injected volume of coagulant can be measured.

Further, second filter chamber 22 further includes for detecting to the water body in second filter chamber 22 Water quality detecting device, the water quality detecting device includes water quality collector, processor and display screen, and the water quality collector is used In to the water body in second filter chamber 22 ingredient and content be acquired, and the collection result of acquisition is sent to described Processor after the processor is calculated and judged to the collection result, the testing result of acquisition is sent to described aobvious Display screen is shown.Water quality detecting device is for testing to the water quality in the second filter chamber 22, if unqualified, may be selected again It is discharged after processing, further avoids causing environmental pollution.

Although the present utility model has been described by reference to the preferred embodiments, but in the model for not departing from the utility model In the case where enclosing, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as not depositing In structural conflict, items technical characteristic mentioned in the various embodiments be can be combined in any way.The utility model It is not limited to specific embodiment disclosed herein, but is included all technical solutions falling within the scope of the claims.

Claims (5)

1. a kind of papermaking sewage treatment system, which is characterized in that including：Coagulation reaction tank, filtering ponds, pulp saver and dirt Mud sump；Wherein, coagulation reaction tank is connected with filtering ponds by first pipe, and coagulation reaction tank includes for coagulant to be added Chemicals dosing plant, the filtering ponds include the first filter chamber and the second filter chamber for the front and back connection being separated by partition wall or grid, institute It states the first filter chamber to be connected with the pulp saver, second filter chamber is internally provided with aerator, the aeration Machine top and bottom end are connected separately with air inlet pipe and air-dispersing impeller, and second filter chamber top layer is also equipped with chain mud scraper, The chain mud scraper is connected with second pipe, and the second pipe other end is connected with auger conveyor, the helical feed Device is connected with mud discharging pipe, and the mud discharging pipe other end protrudes into the sludge-tank.

2. system according to claim 1, which is characterized in that chemicals dosing plant includes Scatula and third pipeline, and described The first end of three pipelines is connected with the Scatula, and the second end of the third pipeline stretches in the coagulation reaction tank, The valve for controlling the third pipeline on-off is additionally provided on the third pipeline.

3. system according to claim 2, which is characterized in that be provided with coagulant in the second end of the third pipeline and release Component is put, multiple apertures are provided on the coagulant release component, for discharging the coagulation emitted from chemicals dosing plant Agent.

4. the system according to any one of claim 2-3, which is characterized in that be additionally provided with flow on the third pipeline Meter.

5. system according to claim 1, which is characterized in that second filter chamber further includes for second mistake The water quality detecting device that water body in filter chamber is detected, the water quality detecting device include water quality collector, processor and show Display screen, the water quality collector will be obtained for being acquired to the ingredient and content of the water body in second filter chamber Collection result be sent to the processor, after the processor is calculated and judged to the collection result, by acquisition Testing result is sent to the display screen and is shown.