CN104084417A

CN104084417A - Waste incineration and sewage treatment integrated process for paper mill

Info

Publication number: CN104084417A
Application number: CN201410338259.7A
Authority: CN
Inventors: 冯小义; 冯沾善; 朱跃民; 方锦君
Original assignee: ZHEJIANG HUACHUAN INDUSTRIAL GROUP Co Ltd
Current assignee: ZHEJIANG HUACHUAN INDUSTRIAL GROUP Co Ltd
Priority date: 2014-07-16
Filing date: 2014-07-16
Publication date: 2014-10-08
Anticipated expiration: 2034-07-16
Also published as: CN104084417B

Abstract

The invention provides a waste incineration and sewage treatment integrated process for a paper mill. The waste incineration and sewage treatment integrated process comprises the steps: a, firstly, waste is sorted; b, then wastewater and production wastewater are mutually mixed and enter a regulating reservoir; c, then the waste is fixed and then enters a crusher for being crushed; d, then the crushed waste is combusted; e, heat energy generated after combustion is utilized by the regulating reservoir, and fully acidized and heated, waste residue and feces are mixed, a mixed feces fertilizer ferments in a fermenting vat, mixed with acidized impurities after fermentation, and then put in a methane tank for generating methane; f, the methane generates electric energy and biogas residue is dried; and g, the final part of the electric energy is used for daily electric energy. By using the waste incineration and sewage treatment integrated process for the paper mill, the input of fund is reduced; the waste and sewage are recycled, so that the pollution to the environment can be reduced, the electric energy generated by the methane can be used in the production of enterprises, energy resources are saved, the waste and the sewage in the paper mill are treated well in a combining manner, and thus the purposes of simplicity, high efficiency, energy saving and environmental friendliness are achieved.

Description

A kind of paper mill waste incineration and sewage disposal integral process

Technical field

The present invention relates to the waste incineration of a kind of paper mill and sewage disposal integral process.

Background technology

Rubbish is the life kind waste products being seen everywhere in our life, along with our growth in the living standard, more and more rubbish has been centered around the peri-urban that we live, too much rubbish has a strong impact on the development of The Surroundings in Cities system, and the rubbish that discharge in paper mill is to calculate with the quantity of annual hundreds of ton, great majority are unserviceable waste paper and impurity, impurity comprises some plastics that cannot recycle and other inorganic matter in waste or used plastics, also comprise in sewage disposal system, flocculate produced precipitation and scum silica frost, also has the mud producing in sewage disposal system, and some life kind rubbish that produce in living area.

In paper mill, also have a large amount of waste water to produce every day simultaneously, if in pool or river course near being directly discharged into, can cause the injury that cannot retrieve to the biology in river course, therefore, how resolving rubbish and the waste water in paper mill, is the problem that current paper mill stands in the breach.

Summary of the invention

It is high that the technical problem to be solved in the present invention is to provide a kind of recovery utilization rate, reduces environmental pollution, the paper mill waste incineration of injecting capital into fewer and sewage disposal integral process.

For solving the problems of the technologies described above, the present invention adopts following technical scheme: comprise the following steps: a, first rubbish all paper mill is stored classifiedly, can be divided into rubble lime-ash, plastic-metal, solid refuse and waste water, rubble lime-ash can be as construction material for building, the recyclable recycling of plastics and metal; B, then the waste water in rubbish flows directly in factory effluent pond, paper mill and goes, and mutually mixes with factory effluent, and mixed waste water enters into regulating reservoir and regulates; C, then fix rubbish and enter into disintegrating machine and carry out fragmentation and resolve into the smaller rubbish of volume, these rubbish are all made up of organic matter; D, then these organic matter rubbish are put into specified devices the inside and burn; The heat energy producing after e, burning is conditioned pond and utilizes, impurity in regulating reservoir is carried out to sufficient acidifying heating, and excrement dirt in the septic tank in waste residue and paper mill after burning mixes mutually, then mixed dirty fertilizer is put in fermentation vat and fermented, after fermentation, mutually mix to put in methane-generating pit again with the impurity after acidifying heating and produce biogas, the time that produces biogas is 16 hours; The biogas producing in f, methane-generating pit can be used for generating, and the natural pond slag process drying machine drying remaining in methane-generating pit, the needed electric energy of dryer is to utilize the electric energy that biogas is produced to operate; G, above finally a part of electric energy that biogas is produced daily electricity consumption for paper mill.

Further, in described step c, what disintegrating machine adopted is spring cone crusher, and the speed of its operation is 2t ∕ h.

Further, in described steps d, equipment is efficient incinerator, and the time of burning is controlled at 2 – 3 hours, more than temperature is controlled at 800 degree, till making organic matter carbonization, and decomposes two and dislikes because of air conservation.

Further, in described step f, dryer is efficient roller dryer, rotate, and temperature is controlled at 80 degree between 120 degree with per hour 60 speed that turn, and drying time is 30 minutes, makes organic water content below 20%.

Paper mill of the present invention waste incineration and sewage disposal integral process: utilize this paper mill waste incineration and sewage disposal integral process can reduce sewage disposal device, reduce the input of enterprise to the fund of preventing the pollution of the environment, the effect of sewage disposal is corresponding improve also, and can be more negligent metals and plastics are recycled again at ordinary times, can not only reduce the pollution to environment, and above the production of the generating that can utilize biogas for enterprise, economize on resources, can be the rubbish in paper mill and well combination processing of sewage, accomplish simple, efficiently, the object of energy-conservation and environmental protection.

Brief description of the drawings

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the flow chart of the present invention's a kind of paper mill waste incineration and sewage disposal integral process.

Detailed description of the invention

Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention are made to more explicit defining.

In the present embodiment, shown in Fig. 1, a kind of paper mill waste incineration and sewage disposal integral process, first rubbish all paper mill is stored classifiedly, can be divided into rubble lime-ash, plastic-metal, solid refuse and waste water, rubble lime-ash can be as construction material for building, the recyclable recycling of plastics and metal; Then the waste water in rubbish flows directly in factory effluent pond, paper mill and goes, and mutually mixes with factory effluent, and mixed waste water enters into regulating reservoir and regulates; Then fixing rubbish enters into disintegrating machine and carries out fragmentation and resolve into the smaller rubbish of volume, what disintegrating machine adopted is spring cone crusher, the speed of its operation is 2t ∕ h, these rubbish are all made up of organic matter, spring cone crusher is applicable to the large structure of broken various hardness, have reliable in structure, production efficiency high, easy to adjust, use economically, its spring insurance system plays overload protective function, can make foreign matter piece not endanger disintegrating machine by crusher chamber; Then these organic matter rubbish being put into specified devices the inside burns, equipment is efficient incinerator, and the time of burning is controlled at 2 – 3 hours, more than temperature is controlled at 800 degree, till making organic matter carbonization, and decompose two and dislike because of air conservation; The heat energy producing after burning is conditioned pond and utilizes, impurity in regulating reservoir is carried out to sufficient acidifying heating, and excrement dirt in the septic tank in waste residue and paper mill after burning mixes mutually, then mixed dirty fertilizer is put in fermentation vat and fermented, after fermentation, mutually mix to put in methane-generating pit again with the impurity after acidifying heating and produce biogas, the time that produces biogas is 16 hours; The biogas producing in methane-generating pit can be used for generating, and the natural pond slag remaining in methane-generating pit is through drying machine drying, dryer is efficient roller dryer, rotate with per hour 60 speed that turn, and temperature is controlled at 80 degree between 120 degree, drying time is 30 minutes, makes organic water content below 20%, and the needed electric energy of dryer is to utilize the electric energy that biogas is produced to operate; Above the daily electricity consumption of a part of electric energy of finally biogas being produced for paper mill.

Above-described embodiment, just an example of the present invention, is not for limiting enforcement of the present invention and interest field, all or technical schemes of being equal to identical with content described in the claims in the present invention, all should be included in protection domain of the present invention.

Claims

1. paper mill waste incineration and a sewage disposal integral process, is characterized in that: comprise the following steps:

A, first rubbish all paper mill is stored classifiedly, can be divided into rubble lime-ash, plastic-metal, solid refuse and waste water, rubble lime-ash can be as construction material for building, the recyclable recycling of plastics and metal;

B, then the waste water in rubbish flows directly in factory effluent pond, paper mill and goes, and mutually mixes with factory effluent, and mixed waste water enters into regulating reservoir and regulates;

C, then fix rubbish and enter into disintegrating machine and carry out fragmentation and resolve into the smaller rubbish of volume, these rubbish are all made up of organic matter;

D, then these organic matter rubbish are put into specified devices the inside and burn;

The heat energy producing after e, burning is conditioned pond and utilizes, impurity in regulating reservoir is carried out to sufficient acidifying heating, and excrement dirt in the septic tank in waste residue and paper mill after burning mixes mutually, then mixed dirty fertilizer is put in fermentation vat and fermented, after fermentation, mutually mix to put in methane-generating pit again with the impurity after acidifying heating and produce biogas, the time that produces biogas is 16 hours;

The biogas producing in f, methane-generating pit can be used for generating, and the natural pond slag process drying machine drying remaining in methane-generating pit, the needed electric energy of dryer is to utilize the electric energy that biogas is produced to operate;

G, above finally a part of electric energy that biogas is produced daily electricity consumption for paper mill.

2. paper mill according to claim 1 waste incineration and sewage disposal integral process, is characterized in that: further, in described step c, what disintegrating machine adopted is spring cone crusher, and the speed of its operation is 2t ∕ h.

3. paper mill according to claim 1 waste incineration and sewage disposal integral process, it is characterized in that: in described steps d, equipment is efficient incinerator, the time of burning is controlled at 2 – 3 hours, more than temperature is controlled at 800 degree, till making organic matter carbonization, and decompose bioxin air conservation.

4. paper mill according to claim 1 waste incineration and sewage disposal integral process, it is characterized in that: in described step f, dryer is efficient roller dryer, rotate with per hour 60 speed that turn, and temperature is controlled at 80 degree between 120 degree, drying time is 30 minutes, makes organic water content below 20%.