CN112759449B - Rural sewage treatment device and treatment method - Google Patents

Rural sewage treatment device and treatment method Download PDF

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Publication number
CN112759449B
CN112759449B CN202011638857.8A CN202011638857A CN112759449B CN 112759449 B CN112759449 B CN 112759449B CN 202011638857 A CN202011638857 A CN 202011638857A CN 112759449 B CN112759449 B CN 112759449B
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liquid
bin
solid
fertilizer
feeding
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CN112759449A (en
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王华峰
王曙光
盖丽红
于军
苏强
贾新强
郭明
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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90—Apparatus therefor
    • C05F17/914—Portable or transportable devices, e.g. transport containers or trucks
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00—Other inorganic fertilisers
    • C05D9/02—Other inorganic fertilisers containing trace elements
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
    • C05F17/90—Apparatus therefor
    • C05F17/964—Constructional parts, e.g. floors, covers or doors
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/20—Liquid fertilisers
    • C05G5/23—Solutions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/002—Grey water, e.g. from clothes washers, showers or dishwashers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/005—Black water originating from toilets
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Pest Control & Pesticides (AREA)
  • Fertilizers (AREA)

Abstract

The invention relates to a rural sewage treatment device and a treatment method, which comprises a bacterial material fermentation device, a fertilizer treatment device and a sewage pretreatment device, wherein the sewage pretreatment device comprises a precipitation device and a pretreatment device; the fertilizer treatment device is of a rotary mixing drum structure, the feeding drum is arranged at the position of the central axis, the independent liquid bin and the independent solid bin are arranged inside the mixing drum, the solid obtained by the precipitation device enters the fertilizer treatment device, and the liquid and the bacterial material enter the liquid bin. The sewage from toilet, livestock and poultry, washing sewage and kitchen sewage in rural areas can be directly treated and reused to respectively obtain liquid fertilizer, clear water and solid fertilizer.

Description

Rural sewage treatment device and treatment method
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a rural sewage treatment device and method.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
Rural sewage is very odorous and contains both solids and liquids. The method has the advantages that the method greatly influences the living environment of rural areas, the main sources of rural sewage are washing sewage, kitchen sewage, toilet sewage, livestock and poultry breeding sewage and the like, the existing rural sewage mainly adopts a biochemical treatment method, namely, the sewage is precipitated and separated, the obtained liquid is introduced into a biological treatment tank for treatment, and nitrogen and phosphorus removal are carried out, and the treatment method mainly utilizes biological bacteria. However, solid contaminants such as feces and the like, which cannot be treated, can cause large pollution. If the excrement is introduced into a septic tank for treatment, the septic tank has the function of automatically decomposing the excrement, but the excrement is not utilized. And still need to be disposed of after self-decomposition.
Rural sewage can not be completely and thoroughly cleaned, so that the rural environment is polluted, and energy is wasted due to an improper treatment method. And cannot be reused.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a rural sewage treatment device and a treatment method.
In order to solve the technical problems, the technical scheme of the invention is as follows:
according to the first aspect, the rural sewage treatment device comprises a bacterial material fermentation device, a fertilizer treatment device and a sewage pretreatment device, wherein the sewage pretreatment device comprises a precipitation device and a pretreatment device, the precipitation device separates sewage into liquid and solid, the liquid enters the pretreatment device, the bacterial material fermentation device is connected with the fertilizer treatment device, and the pretreatment device is respectively connected with the bacterial material fermentation device and the fertilizer treatment device;
the fertilizer treatment device is of a rotary mixing drum structure, the feeding drum is arranged at the position of the central axis, the independent liquid bin and the independent solid bin are arranged inside the mixing drum, the solid obtained by the precipitation device enters the fertilizer treatment device, and the liquid and the bacterial material enter the liquid bin.
In a second aspect, a method for treating rural sewage by using the device comprises the following specific steps:
carrying out precipitation separation on sewage to obtain liquid and solid, and carrying out pretreatment on the obtained liquid;
the fungus material fermentation device is used for proportioning the types and the adding amount of fungus materials and trace elements according to the components of the liquid obtained after pretreatment;
mixing the pretreated liquid and the bacterial material, putting the mixture into a liquid bin, and mixing and decomposing the mixture to obtain a liquid fertilizer;
and mixing the solid with the bacterial material and the plant crushed material, and then putting the mixture into a solid bin for mixing and decomposing to obtain the solid fertilizer.
The device and the method realize the integrated treatment of rural sewage, and the sewage can be directly used for obtaining organic fertilizer.
One or more technical schemes of the invention have the following beneficial effects:
the rural sewage treatment device directly treats and recycles rural toilet sewage, livestock and poultry breeding sewage, washing sewage, kitchen sewage and the like, and the rural sewage is divided into solid and liquid, wherein the rural sewage has certain content of N, P, K and other elements, so that the solid is directly used as solid fertilizer, and the liquid is treated and then used as liquid fertilizer, or can be discharged as clear water after reaching the standard. The problem that solid such as excrement can not be directly treated is solved. Excrement and urine mixes with the material after the crushing of crop straw after entering into solid storehouse, at the rotatory in-process of churn, realizes abundant crushing and mixes, has eliminated excrement and urine etc. and has had the problem that great smell can't be handled.
After being pretreated, liquid pollutants, such as kitchen sewage, urine and the like are mixed with bacterial materials of the bacterial material fermentation device, such as various trace elements and other elements required by fertilizers, so as to obtain the liquid fertilizer. If the pretreatment device directly obtains clean water, the clean water is directly discharged.
The direct integrated treatment of rural sewage is realized, the sewage can be directly used for obtaining fertilizer, and the complex steps of transportation and the like required by the existing treatment method are solved.
The movable treatment solves the problem that the rural sewage dispersibility cannot be concentrated. The treatment time is short, the cleaning treatment is realized, and the organic fertilizer is obtained, so that the organic fertilizer can be used for rural planting, a large amount of fertilizer purchasing cost in rural areas is saved, and the problems of soil hardening and the like caused by long-term use of the fertilizer in rural areas are solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is an overall structure diagram of a rural sewage treatment plant;
the device comprises a liquid fertilizer outlet pipe 1, a liquid fertilizer outlet pipe 2, a clear water outlet pipe 3, a traveling device 4, a steering device 5, a first intelligent proportioning monitor 6, a second intelligent proportioning monitor 7, a stirring device 8, a first stirring auger 9, a batching device 10, a second stirring auger 11, a sewage batching device 12, a stirring cylinder 13, a purifying device 14, a supporting roller 15, a solid discharge port 16, a solid feeding bin 17, a hydraulic supporting device 18, an adjusting tank 19, an adjusting stirring device 20, a heat preservation device 21, an air pump device 22, a vehicle body structure 23, a driving power device 24, an electric control device 25 and a feeding cylinder.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In a first aspect, a rural sewage treatment device comprises a bacterial material fermentation device, a fertilizer treatment device and a sewage pretreatment device, wherein the sewage pretreatment device comprises a precipitation device and a pretreatment device, the precipitation device separates sewage into liquid and solid, the liquid enters the pretreatment device, the bacterial material fermentation device is connected with the fertilizer treatment device, and the pretreatment device is respectively connected with the bacterial material fermentation device and the fertilizer treatment device;
the fertilizer treatment device is of a rotary mixing drum structure, a feeding drum is arranged at the position of a central axis, an independent liquid bin and a solid bin are arranged inside the mixing drum, the solid obtained by the precipitation device enters the fertilizer treatment device, and the liquid and the bacterial material enter the liquid bin.
In some embodiments of the invention, the mixing drum is of a reducing cylindrical structure, a partition is arranged inside the mixing drum, the partition is perpendicular to the axis, the inside of the mixing drum is divided into a liquid bin and a solid bin, the partition and the feeding drum are arranged in a sealing mode, and the liquid bin is arranged on one side close to the fungus material fermentation device.
In some embodiments of the invention, the inner side wall of the mixing drum is provided with an inner packing auger.
In some embodiments of the present invention, the interior of the feed cylinder is provided with a partition at a position where the liquid bin and the solid bin are separated, and the portion of the feed cylinder located in the liquid bin is provided with a liquid inlet and a liquid outlet.
In some embodiments of the present invention, a water pump is disposed inside the liquid bin, the water pump is fixedly connected to the feeding cylinder, and is located below the feeding cylinder and near the inner wall of the stirring cylinder, and the water pump is connected to a liquid outlet of the feeding cylinder.
In some embodiments of the invention, the outer side wall of the feed cylinder is provided with a heating device, and the heating device heats the feed cylinder.
In some embodiments of the invention, the portion of the feed cylinder located within the solids silo is provided with a feed inlet.
In some embodiments of the invention, the mixing device further comprises a solid feeding bin, the solid feeding bin is provided with one end of the mixing drum and is connected with the outer end part of the solid bin, and the discharge port of the solid feeding bin is communicated with the outer end part of the feeding drum.
In some embodiments of the invention, a discharge port is provided in a sidewall of the outer port of the solids silo.
In some embodiments of the invention, the pretreatment device comprises a regulating reservoir and a purification device, wherein an inlet of the regulating reservoir is connected with the sedimentation device, an outlet of the regulating reservoir is connected with the purification device, and the purification device is respectively connected with the liquid bins of the bacterial material fermentation device and the fertilizer treatment device.
In some embodiments of the present invention, the fungus material fermentation device comprises a fungus material batching device and a stirring device, wherein the batching device is connected with the stirring device, a liquid inlet of the stirring device is connected with the pretreatment device, and an outlet of the stirring device is connected with a feeding cylinder of the liquid bin.
In some embodiments of the invention, the fungus material batching device comprises a plurality of independent batching bins inside.
In some embodiments of the invention, the device further comprises a sewage dosing device, the sewage dosing device is connected with the pretreatment device, and an outlet of the sewage dosing device is connected with the stirring device.
In some embodiments of the invention, a feeding pipe is arranged at the feeding end of the liquid bin of the feeding cylinder, a four-way valve is arranged on the feeding pipe, and the four-way valve is respectively connected with the bacterial material fermentation device and the pretreatment device and is also provided with an outlet.
In some embodiments of the present invention, the fertilizer feeding device further comprises a liquid fertilizer outlet pipe and a clear water outlet pipe, wherein an outlet of the four-way valve of the feeding pipe is respectively connected with the liquid fertilizer outlet pipe and the clear water outlet pipe.
In some embodiments of the present invention, the mixer further includes a rotating structure, the rotating structure is disposed outside the mixing drum, the outer side wall of the mixing drum is provided with a circular driven wheel, and the rotating structure includes a motor and a supporting roller engaged with the driven wheel.
In some embodiments of the invention, the vehicle body structure is further included, the fungus material fermentation device and the fertilizer treatment device are arranged on the vehicle body structure, and the bottom of the vehicle body structure is provided with the walking device.
In a second aspect, a method for treating rural sewage by using the device comprises the following specific steps:
precipitating and separating sewage to obtain liquid and solid, and pretreating the liquid;
the fungus material fermentation device is used for proportioning the kinds and the adding amount of fungus materials and trace elements according to the components of the liquid obtained after pretreatment;
mixing the pretreated liquid and the bacterial material, putting the mixture into a liquid bin, and mixing and decomposing the mixture to obtain a liquid fertilizer;
and mixing the solid with the bacterial material and the plant crushed material, and then putting the mixture into a solid bin for mixing and decomposing to obtain the solid fertilizer.
The rural sewage comprises toilet sewage, kitchen sewage, livestock and poultry breeding sewage, washing sewage and the like, wherein the toilet sewage, the kitchen sewage and the livestock and poultry breeding sewage can generate a large amount of solid pollutants and generate large peculiar smell, the solid pollutants are difficult to treat by a biochemical treatment method, the liquid pollutants generate large amount and have peculiar smell, and if the liquid pollutants are discharged, the water environment can be polluted.
A rural sewage treatment device comprises a bacterial material fermentation device, a fertilizer treatment device and a sewage pretreatment device, wherein the sewage pretreatment device comprises a precipitation device and a pretreatment device, the precipitation device separates sewage into liquid and solid, the liquid enters the pretreatment device, the bacterial material fermentation device is connected with the fertilizer treatment device, and the pretreatment device is respectively connected with the bacterial material fermentation device and the fertilizer treatment device; the bacterial material fermentation device is used for proportioning various trace elements and substances added into various other liquid fertilizers and then mixing the liquid fertilizers with pretreated sewage to obtain the liquid fertilizers, and the sewage pretreatment device is used for pretreating the sewage, including precipitation separation and pretreatment for removing granular substances in the liquid fertilizers, so that the situation that the use of the liquid fertilizers is influenced by the content of the granules in the liquid fertilizers is avoided, and the liquid fertilizers are transmitted to the fertilizer treatment device, and meanwhile, other pretreatment devices can be arranged. The fertilizer treatment device is used for mixing sewage and a bacterial material, and mixing the solid pollutant, a straw smashing material and the bacterial material to fully mix and decompose to obtain the fertilizer. The mixing drum 12 is a rotatable cylindrical structure, so that materials can be fully mixed in the mixing drum, continuous production of fertilizer preparation can be realized, solid pollutants such as excrement and urine are crushed under the rotating and stirring effect of the mixing drum, and then the solid pollutants are fully mixed with crushed materials such as straws.
Rural sewage treatment plant is portable processing apparatus, carries out portable processing to rural sewage, and the churn can directly carry out the on-the-spot treatment sewage, directly obtains fertilizer, can make rural environment better to the dispersibility characteristics of rural sewage, and the air is purer, reduces water pollution, has still obtained fertilizer, has solved liquid or solid pollutant and has directly been used for fertilizer, because contain harmful bacterium etc. the problem that can not directly be used etc.. The treatment cost is low.
The fertilizer treatment device is of a rotary mixing drum structure, the feeding drum 25 is arranged at the position of the central axis, the mixing drum 12 is internally provided with an independent liquid bin and an independent solid bin, the solid obtained by the precipitation device enters the fertilizer treatment device, and the liquid and the bacterial material enter the liquid bin. The fertilizer treatment device is divided into an independent liquid bin and an independent solid bin, the solid fertilizer and the liquid fertilizer are respectively and independently proportioned and mixed, sewage passes through the rural sewage treatment device to directly and respectively obtain the liquid fertilizer or clear water and the solid fertilizer, a treatment device for solid pollutants is not required to be arranged, and meanwhile, the composition of each element in the liquid fertilizer can be accurately controlled through the matching of various elements of the liquid fertilizer, so that various fertilizers with different purposes can be obtained. Has wide application range and can be suitable for different crop fertilizers.
Wherein, the churn is the cylindrical structure of reducing, and inside is through setting up the wall, realizes the effect of keeping apart, sets up seal structure between wall and the feed cylinder, realizes the separation between liquid storehouse and the solid storehouse, and at the rotatory in-process of churn 12, it rotates not to drive feed cylinder 25, and feed cylinder 25's effect is to carrying out the feeding in liquid storehouse and the solid storehouse.
An inner packing auger is arranged on the inner side wall of the mixing drum 12. The inner packing auger is driven by the rotation of the mixing drum to mix materials, and meanwhile, the materials collide with the inner packing auger in the rotating and falling process to realize a certain crushing effect.
The feeding cylinder 25 is provided with a partition at a position where the liquid bin and the solid bin are separated, and the feeding cylinder part in the liquid bin is provided with a liquid inlet and a liquid outlet. The feeding cylinder is used for feeding liquid and solid respectively, the liquid enters the liquid bin, the solid enters the solid bin, and the liquid enters the liquid bin from the liquid inlet of the feeding cylinder and then enters the feeding cylinder from the liquid outlet to be discharged. In one embodiment, a liquid inlet valve is arranged at the liquid inlet, and the liquid inlet valve can be connected with the outside through an electric wire and then controls the liquid to enter through controlling the liquid inlet valve.
The inside of the liquid bin is provided with a water pump, the water pump is fixedly connected with the feeding cylinder 25, is positioned below the feeding cylinder 25 and is close to the inner wall of the mixing cylinder 12, and the water pump is connected with a liquid outlet of the feeding cylinder 25. The water pump can discharge the prepared liquid fertilizer through the liquid outlet, and the feeding cylinder 25 does not rotate, so the water pump does not rotate, and the liquid at the bottom in the stirring cylinder is discharged all the time.
The electric wires of the water pump, the liquid inlet valve and the like are connected with the feeding cylinder through the sealing structure, the feeding cylinder is not moved, and the normal liquid inlet of the feeding cylinder is not influenced by sealing. The process of controlling feeding and discharging is facilitated, and automation is realized.
The outer side wall of the feeding cylinder 25 is provided with a heating device which heats the feeding cylinder. Heating device heats liquid, helps disinfecting, conveniently prepares liquid fertilizer and solid fertilizer. In one embodiment, the heating device may be a wound carbon fiber.
The part of the feeding barrel 25 positioned in the solid bin is provided with a feeding hole. The device also comprises a solid feeding bin 16, wherein the solid feeding bin 16 is provided with one end of the stirring cylinder 12 and is connected with the outer end part of the solid bin, and a discharge hole of the solid feeding bin 16 is communicated with the outer end part of the feeding cylinder 25. Prepare solid fertilizer, the material passes through the solid feeding storehouse after preliminary mixing, then enters into the solid storehouse under the effect of gravity, and excrement and urine etc. generally can mix with straw crushing thing etc. makes it can become solid fertilizer. The solid discharge port 15 can realize continuous discharge of the solid fertilizer.
Wherein, preprocessing device includes equalizing basin 18, purifier 13, and the 18 imports of equalizing basin are connected with the sediment device, and the 18 exports of equalizing basin are connected with purifier 13, and purifier 13 is connected with fungus material fermenting installation, fertilizer treatment plant's fluid reservoir respectively. The pretreatment device realizes the primary treatment of sewage, and if the sewage after the primary treatment can obtain clear water, the sewage can be directly discharged, otherwise, the sewage enters the fertilizer treatment device. Meanwhile, part of sewage is connected with the fungus material fermentation device and is used for being mixed with the fungus material at the beginning, so that the fungus material is stimulated and fermented, and then the fermentation liquid is introduced into the fertilizer treatment device, and the effect can be better exerted. The adjusting and stirring device 19 is arranged inside the adjusting tank. The outer side wall is provided with a heat preservation device 20. The regulating reservoir is connected with an air pump device 21.
The purification device can be a particle removal device or a membrane treatment device, realizes the pretreatment of sewage, and can directly obtain clear water if the sewage is better under the condition of the application.
Fungus material is proofed and is put including fungus material dosing unit 9 and agitating unit 7, and dosing unit 9 is connected with agitating unit 7, and agitating unit 7's liquid inlet is connected with preprocessing device, and agitating unit 7's export is connected with the feeding section of thick bamboo 25 in liquid storehouse. The proportion of the material preparing device 9 can be accurately controlled, then the materials are led into the stirring device 7 according to the proportion, and the first stirring auger 8 and the second stirring auger 10 are respectively arranged in the material preparing device 9 and the stirring device 7.
The fungus material dosing unit's inside includes a plurality of independent proportioning bins. The feed and the ingredients of various fungus materials and various trace elements are used.
Still include sewage dosing unit 11, sewage dosing unit 11 is connected with preprocessing device, and sewage dosing unit 11's export is connected with agitating unit 7. The sewage dosing unit 11 is used for introducing a certain amount of sewage into the stirring device 7.
Wherein, the feed pipe is set up to the liquid storehouse feeding one end of feed cylinder 25, sets up the cross valve on the feed pipe, and the cross valve is connected with fungus material fermenting installation, preprocessing device respectively, sets up the export simultaneously. The feeding pipe realizes the feeding and the discharging simultaneously, and the four-way valve is connected with the feeding cylinder of the stirring device, the pretreatment device, the outlet and the liquid bin respectively. And realizing the switching of functions.
The fertilizer feeding device also comprises a liquid fertilizer outlet pipe 1 and a clear water outlet pipe 2, wherein the outlet of a four-way valve of the feeding pipe is respectively connected with the liquid fertilizer outlet pipe 1 and the clear water outlet pipe 2. When discharging, the liquid fertilizer is discharged through the feeding pipe and the liquid fertilizer outlet pipe 1. If the pretreatment device directly obtains clean water, the clean water is discharged through a clean water outlet pipe 2.
The stirring device further comprises a rotating structure, the rotating structure is arranged on the outer side of the stirring cylinder 12, a circular driven wheel is arranged on the outer side wall of the stirring cylinder 12, and the rotating structure comprises a motor and a supporting roller 14 matched with the driven wheel. The rotating structure provides the rotational power and support of the whisking cylinder 12.
The fermentation device further comprises a vehicle body structure 22, the fungus material fermentation device and the fertilizer processing device are arranged on the vehicle body structure, and the bottom of the vehicle body structure 22 is provided with the walking device 3. The front part of the vehicle body can be provided with a steering device 4 for realizing the movement of the vehicle body. The rear end of the vehicle body structure is provided with a hydraulic supporting device 17 which is used for supporting and fixing the whole vehicle body structure in the sewage treatment process. One end of the vehicle body structure is provided with a drive power unit 23.
The movable treatment of the whole treatment device is realized through the vehicle body structure, and the problem that the centralized treatment cannot be realized due to the dispersion of the rural sewage is solved.
An intelligent electrical control device 24 can be arranged, and the intelligent electrical control device 24 can be connected with a motor, a pump body, a valve and the like to realize the control of the whole device.
The device is characterized by further comprising a first intelligent proportioning monitor 5 and a second intelligent proportioning monitor 6, wherein the first intelligent proportioning monitor 5 is used for monitoring the condition of sewage obtained by the pretreatment device, and the second intelligent proportioning monitor 6 is used for monitoring the proportioning condition of each bacterial material of the bacterial material proportioning device and controlling the feeding amount of each bacterial material.
The method for treating rural sewage by using the device comprises the following specific steps:
the sewage is precipitated and separated to obtain liquid and solid, the liquid is pretreated, the pretreatment comprises the step of passing through a regulating tank and a purifying device, and the purifying device can be a membrane purifying device for removing some harmful substances in the sewage;
the fungus material fermentation device is used for proportioning the varieties and the adding amount of fungus materials and trace elements according to the components of the liquid obtained after pretreatment, and an intelligent proportioning monitor can be used for directly inputting the proportioning value;
mixing the pretreated liquid and the bacterial material, putting the mixture into a liquid bin, and mixing and decomposing the mixture to obtain a liquid fertilizer; before entering the liquid bin, the feed cylinder performs a sterilization effect to remove harmful bacteria;
the solid, the bacterial material and the plant crushed material are mixed and then enter a solid bin to be mixed and decomposed to obtain the solid fertilizer, and before entering the solid bin, the solid fertilizer is sterilized through a feeding cylinder to remove harmful bacteria.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A rural sewage treatment plant which is characterized in that: the device comprises a bacterial material fermentation device, a fertilizer treatment device and a sewage pretreatment device, wherein the sewage pretreatment device comprises a precipitation device and a pretreatment device, the precipitation device separates sewage into liquid and solid, the liquid enters the pretreatment device, the bacterial material fermentation device is connected with the fertilizer treatment device, and the pretreatment device is respectively connected with the bacterial material fermentation device and the fertilizer treatment device;
the fertilizer treatment device is of a rotary stirring drum structure, a feeding drum is arranged at the position of an axis, an independent liquid bin and a solid bin are arranged in the stirring drum, the solid obtained by the precipitation device enters the fertilizer treatment device, and the liquid and the bacterial material enter the liquid bin;
the pretreatment device comprises an adjusting tank and a purification device, wherein the inlet of the adjusting tank is connected with the sedimentation device, the outlet of the adjusting tank is connected with the purification device, and the purification device is respectively connected with the bacterial material fermentation device and the liquid bin of the fertilizer treatment device;
the stirring cylinder is of a reducing cylinder structure, a partition is arranged inside the stirring cylinder and perpendicular to the axis, the inner part of the stirring cylinder is divided into a liquid bin and a solid bin, bearings are arranged between the partition and the feeding cylinder and between two ends of the feeding cylinder and the stirring cylinder, the bearings are arranged and sealed, and the liquid bin is arranged on one side close to the bacterial material fermentation device;
the feeding cylinder is internally provided with a partition at a position where the liquid bin and the solid bin are separated, and the part of the feeding cylinder positioned in the liquid bin is provided with a liquid inlet and a liquid outlet;
the part of the feeding cylinder, which is positioned in the solid bin, is provided with a feeding hole.
2. The rural sewage treatment plant of claim 1, characterized in that: an inner packing auger is arranged on the inner side wall of the mixing drum.
3. The rural sewage treatment plant of claim 1, wherein: the outer side wall of the feeding cylinder is provided with a heating device which heats the feeding cylinder.
4. The rural sewage treatment plant of claim 1, characterized in that: the inside in liquid storehouse sets up the water pump, and water pump and feeding section of thick bamboo fixed connection are located the below of feeding section of thick bamboo, are close to the position of churn inner wall, and the water pump is connected with the liquid outlet of feeding section of thick bamboo.
5. The rural sewage treatment plant of claim 1, characterized in that: the solid feeding bin is provided with one end of the stirring cylinder and is connected with the outer end part of the solid bin, and a discharge hole of the solid feeding bin is communicated with the outer end part of the feeding cylinder;
and a discharge hole is formed in the side wall of the outer port of the solid bin.
6. The rural sewage treatment plant of claim 1, characterized in that: the fungus material fermentation device comprises a fungus material batching device and a stirring device, the batching device is connected with the stirring device, a liquid inlet of the stirring device is connected with the pretreatment device, and an outlet of the stirring device is connected with a feeding cylinder of the liquid bin;
the fungus material dosing unit's inside includes a plurality of independent proportioning bins.
7. The rural sewage treatment plant of claim 1, characterized in that: still include sewage dosing unit, sewage dosing unit is connected with preprocessing device, and sewage dosing unit's export is connected with agitating unit.
8. The rural sewage treatment plant of claim 1, characterized in that: a feeding pipe is arranged at the feeding end of the liquid bin of the feeding cylinder, a four-way valve is arranged on the feeding pipe, the four-way valve is respectively connected with the bacterial material fermentation device and the pretreatment device, and an outlet is formed at the same time;
the liquid bin also comprises a liquid fertilizer outlet pipe and a clear water outlet pipe, and the outlet of the four-way valve of the inlet pipe is respectively connected with the liquid fertilizer outlet pipe and the clear water outlet pipe.
9. The rural sewage treatment plant of claim 1, wherein: still include revolution mechanic, revolution mechanic sets up in the outside of churn, and the lateral wall of churn sets up the annular from the driving wheel of circle, revolution mechanic include the motor and with follow driving wheel complex supporting roller.
10. The rural sewage treatment plant of claim 1, wherein: still include vehicle structure, fungus material proofs device, fertilizer processing apparatus and sets up on vehicle structure, and vehicle structure's bottom sets up running gear.
11. The method for treating sewage by using the rural sewage treatment device of any one of claims 1 to 10 is characterized by comprising the following specific steps:
precipitating and separating sewage to obtain liquid and solid, and pretreating the liquid;
the fungus material fermentation device is used for proportioning the varieties and the adding amounts of fungus materials and trace elements according to the components of the liquid obtained after pretreatment;
mixing the pretreated liquid and the bacterial material, putting the mixture into a liquid bin, and mixing and decomposing the mixture to obtain a liquid fertilizer;
and mixing the solid with the bacterial material and the plant crushed material, and then putting the mixture into a solid bin for mixing and decomposing to obtain the solid fertilizer.
CN202011638857.8A 2020-12-31 2020-12-31 Rural sewage treatment device and treatment method Active CN112759449B (en)

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Publication number Priority date Publication date Assignee Title
CN201085942Y (en) * 2007-08-01 2008-07-16 南通罗斯混合设备有限公司 Rotating type continuous mixing machine
CN106827242B (en) * 2016-12-28 2019-02-26 重庆健杰科技有限公司 Convenient for clean concrete mixer truck
CN209317565U (en) * 2018-09-25 2019-08-30 江西皓宇生物科技有限公司 Three-dimensional motion mixer
CN111925073A (en) * 2020-08-31 2020-11-13 贺俊结 Industrial aquaculture tail water treatment system and treatment method

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