CN112390665B - Kitchen waste liquid treatment device and treatment method - Google Patents
Kitchen waste liquid treatment device and treatment method Download PDFInfo
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- CN112390665B CN112390665B CN202011063989.2A CN202011063989A CN112390665B CN 112390665 B CN112390665 B CN 112390665B CN 202011063989 A CN202011063989 A CN 202011063989A CN 112390665 B CN112390665 B CN 112390665B
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- evaporation
- kitchen waste
- waste liquid
- fermentation tower
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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
- C05F9/00—Fertilisers from household or town refuse
- C05F9/02—Apparatus for the manufacture
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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
- C05F9/00—Fertilisers from household or town refuse
- C05F9/04—Biological compost
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- 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
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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
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Pest Control & Pesticides (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fertilizers (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a kitchen waste liquid treatment device and a kitchen waste liquid treatment method, wherein the treatment device comprises an evaporation fermentation tower, an air duct, a condensation reflux tank and a reflux pipe provided with a reflux pump, wherein the evaporation fermentation tower and the condensation reflux tank form a closed-loop communication passage through the air duct and the reflux pipe, so that evaporation fraction in the evaporation fermentation tower enters the condensation reflux tank along the air duct, is condensed into liquid, flows into the reflux pipe under pressure through the reflux pump and flows back to the evaporation fermentation tower; the processing method comprises the operation steps of the processing device. The kitchen waste liquid treatment device and the kitchen waste liquid treatment method are simple in operation, labor-saving, and capable of solving the problems that kitchen waste liquid is difficult to separate and treat, and the treated kitchen waste liquid is rich in fertilizer nutrients.
Description
Technical Field
The invention relates to the technical field of biological treatment, in particular to a kitchen waste liquid treatment device and a kitchen waste liquid treatment method.
Background
Kitchen waste is a main pollution source of urban household garbage, and mainly contains starch, dietary fiber, animal fat, protein and inorganic salt, and has the following characteristics: 1) The water content is high, about 80%; 2) The organic content reaches 95 percent, and the paint is easy to rot; 3) The kitchen waste has high utilization value as indicated by the characteristics, but the kitchen waste is not treated in time to cause environmental pollution, so that the kitchen waste is required to be processed.
At present, the method for solving the kitchen waste problem in China is mainly landfill, composting and the like. Landfill wastes a large amount of resources, occupies land and is easy to pollute groundwater, has complicated composting technology, and lacks normal treatment method guidance and treatment equipment, so that manpower is wasted and the treatment effect is not ideal.
Disclosure of Invention
The invention aims to solve the problems and provides a kitchen waste liquid treatment device and a kitchen waste liquid treatment method.
According to one aspect of the invention, a kitchen waste liquid treatment device is provided, which comprises an evaporation fermentation tower, an air duct, a condensation reflux tank and a reflux pipe provided with a reflux pump, wherein the evaporation fermentation tower and the condensation reflux tank form a closed-loop communication passage through the air duct and the reflux pipe, so that evaporation fraction in the evaporation fermentation tower enters the condensation reflux tank along the air duct, is condensed into liquid, flows into the reflux pipe under pressure through the reflux pump and flows back to the evaporation fermentation tower.
The evaporation fermentation tower is connected with negative pressure gas transmission equipment and heating equipment, the negative pressure gas transmission equipment is used for reducing the boiling point of water in the evaporation fermentation tower to below the inactivation temperature of fermentation strains, simultaneously ventilates in kitchen waste liquid in the evaporation fermentation tower, the heating equipment is used for heating and evaporating kitchen waste liquid, and the gas guide pipe is arranged at the lower part of the surface of the evaporation fermentation tower in a surrounding way, so that the heat of the evaporation fraction and the heating equipment keep the fermentation temperature in the evaporation fermentation tower constant.
The negative pressure gas transmission equipment comprises a vacuum pump, an exhaust pipe and a gas inlet pipe, wherein one end of the exhaust pipe is communicated with the gas guide pipe through the vacuum pump, the other end of the exhaust pipe is connected to the upper part of kitchen waste liquid in the evaporation fermentation tower (1), one end of the gas inlet pipe is communicated with air, and the other end of the gas inlet pipe is inserted below the liquid level of the kitchen waste liquid.
The evaporation fermentation tower is provided with a feeding port for putting fermentation strains, the condensation reflux box is provided with a water outlet, and the feeding port and the water outlet are both provided with electromagnetic valves controlled by a controller.
The device comprises a condensing reflux tank, a negative pressure gas transmission device, a heating device, a reflux pump and an electromagnetic valve, wherein a temperature sensor is arranged in the evaporating fermentation tower, and a controller is further arranged outside the condensing reflux tank and connected with the temperature sensor, the negative pressure gas transmission device, the heating device, the reflux pump and the electromagnetic valve.
The condensing reflux box comprises a box body and a collecting tank, a plurality of condensing pipes and a circulating water tank, wherein the collecting tank, the condensing pipes and the circulating water tank are arranged in the box body, the collecting tank is located at the bottom of the box body, the reflux pipe is located at one end of the condensing reflux box and is communicated with the collecting tank, the condensing pipes are arranged above the collecting tank in parallel, and the circulating water tank is arranged on the upper portion of the box body and is in circulating connection with the condensing pipes through two pipelines.
The surface of the plurality of condensing pipes is in a step shape which is gradually contracted from top to bottom, and a deodorizing device and an ozone sterilizing device are arranged in the collecting tank.
The kitchen garbage liquid filter comprises an air inlet pipe, a plurality of kitchen garbage liquid and a plurality of metal gauze, wherein one end of the air inlet pipe, which is inserted into the kitchen garbage liquid, is provided with densely arranged air outlet holes, the pipe orifice covers the metal gauze, and one end of the air inlet pipe, which is communicated with air, is provided with a sterilizing filter.
Wherein, be equipped with the ultraviolet lamp in the evaporation fermentation tower, the bottom is equipped with the turning roll.
According to another aspect of the present invention, there is provided a method for treating kitchen waste liquid, comprising the steps of:
s1: placing kitchen waste liquid into an evaporation fermentation tower of the treatment device; s2: adding a proper amount of fermentation strain into the kitchen waste liquid; s3: simultaneously starting the negative pressure gas transmission equipment and the heating equipment to ensure that the temperature in the evaporation fermentation tower is constant, so that the kitchen waste liquid starts to ferment and can be vaporized in water, and enters the condensation reflux box along the gas guide pipe; s4: enabling the evaporated fraction to pass through a plurality of condensing pipes in the condensing reflux box to become condensate to drop to a collecting tank positioned below; s5: starting a reflux pump in the collecting tank, pressing condensate into the evaporation fermentation tower, and continuing distillation fermentation; s6: repeating S3-S5 until the residual fermentation in the evaporation fermentation tower is at the optimal fermentation humidity; s7: and (3) continuously fermenting the residual fermentation product in the evaporation fermentation tower to obtain the organic fertilizer, and discharging condensate in the collecting tank to obtain the organic fertilizer water.
The kitchen waste liquid treatment device and the kitchen waste liquid treatment method are simple in operation, labor-saving, and capable of solving the problems that kitchen waste liquid is difficult to separate and treat, and the treated fertilizer is high in beneficial bacteria content and rich in components.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 shows a schematic view of a kitchen waste liquid treatment apparatus according to an embodiment of the present invention.
Detailed Description
Exemplary implementations of the present disclosure will be described in more detail below according to examples. While exemplary embodiments of the present disclosure are shown in the specification, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1, the kitchen waste liquid treatment device comprises an evaporation fermentation tower 1, an air duct 2, a condensation reflux tank 3 and a reflux pipe 4 provided with a reflux pump, wherein the evaporation fermentation tower 1 and the condensation reflux tank 3 form a closed-loop communication passage through the air duct 2 and the reflux pipe 4, so that evaporation fractions in the evaporation fermentation tower 1 enter the condensation reflux tank 3 along the air duct, are condensed into liquid, flow into the reflux pipe 4 under pressure through the reflux pump, and flow back to the evaporation fermentation tower.
The evaporation fermentation tower 1 is connected with negative pressure gas transmission equipment and heating equipment, and the negative pressure gas transmission equipment is used for reducing the boiling point of water in the evaporation fermentation tower to below the inactivation temperature of fermentation strains, simultaneously ventilates the kitchen waste liquid in the evaporation fermentation tower, and the heating equipment is used for heating and evaporating the kitchen waste liquid, so that the gas guide pipe 2 is arranged around the lower part of the surface of the evaporation fermentation tower 1, and the heat of the evaporation fraction and the heating equipment keep the fermentation temperature in the evaporation fermentation tower 1 constant.
The negative pressure gas transmission equipment comprises a vacuum pump 5, an exhaust pipe 6 and a gas inlet pipe 7, one end of the exhaust pipe 6 is communicated with the gas guide pipe 2 through the vacuum pump 5, the other end of the exhaust pipe is connected to the upper part of kitchen waste liquid in the evaporation fermentation tower 1, one end of the gas inlet pipe 7 is communicated with air, and the other end of the gas inlet pipe is inserted below the liquid level of the kitchen waste liquid. The vacuum pump 5 is used for reducing the pressure of the evaporation fermentation tower 1, simultaneously sending steam into the air duct, further entering the condensation reflux box 3, and simultaneously introducing external air into the garbage treatment liquid by utilizing the negative pressure condition, thereby providing conditions for propagation of the treated strains.
The evaporation fermentation tower 1 is provided with a feeding port for feeding fermentation strains, the condensation reflux box is provided with a water outlet, and the feeding port and the water outlet are both provided with electromagnetic valves controlled by a controller. The evaporation fermentation tower 1 is internally provided with a temperature sensor, the outside of the condensation reflux box 3 is also provided with a controller, and the controller is connected with the temperature sensor, the negative pressure gas transmission equipment, the heating equipment, the reflux pump and the electromagnetic valve. The controller realizes the whole-course automation of the separation and fermentation process, and saves the labor cost.
The condensation reflux box 3 includes box 310 and sets up in the inside collecting vat 320 of box 310, many condenser pipes 330 and circulation tank 340, and collecting vat 320 is located the bottom of box 310, and back flow 4 is located the one end tip and the collecting vat 320 switch-on of condensation reflux box 3, and many condenser pipes 330 arrange in parallel in the top of collecting vat 320, and circulation tank 340 sets up in the upper portion of box 310 to realize the circulation connection with many condenser pipes 330 through two pipelines.
The plurality of condensation pipes are in an inverted cone shape, the surfaces of the plurality of condensation pipes are in a step shape which is gradually contracted and distributed from top to bottom, and a deodorizing device and an ozone sterilizing device are arranged in the collecting tank 320. The reverse taper of condenser pipe sets up, makes things convenient for the condensate to drip smoothly, prevents that the fraction from too much siltation, the step shape on condenser pipe surface, is convenient for increase vapor and condenser pipe's area of contact, is favorable to increasing condensation efficiency.
The one end of inserting kitchen garbage liquid of intake pipe 7 is equipped with the venthole of intensive arrangement, utilizes the dispersion of the air of getting into in kitchen garbage liquid, and mouth of pipe covers metal gauze for prevent that the mouth of pipe from blockking up, the one end of the intercommunication air of intake pipe 7 is equipped with degerming filter, is used for guaranteeing to get into the clean of air in the garbage liquid, reduces the breeding of bacterium.
An ultraviolet lamp is arranged in the evaporation fermentation tower 1, and a turning roller is arranged at the bottom.
The invention also relates to a method for treating kitchen waste liquid, which specifically comprises the following steps:
s1: placing the kitchen waste liquid into an evaporation fermentation tower 1 of the kitchen waste liquid treatment device.
S2: and (5) adding a proper amount of fermentation strain into the kitchen waste liquid.
S3: simultaneously, the negative pressure gas transmission equipment and the heating equipment are started, so that the temperature in the evaporation fermentation tower 1 is constant, kitchen waste liquid starts to ferment and can be vaporized in water, and the kitchen waste liquid enters the condensation reflux box 3 along the gas guide pipe 2.
S4: so that the evaporated fraction passes through a plurality of condensing pipes in the condensate reflux tank 3 and becomes condensate to drop to a collecting tank located below.
S5: and starting a reflux pump in the collecting tank, pressing condensate into the evaporation fermentation tower 1, and continuing the distillation fermentation.
S6: and repeating S3-S5 until the residual fermentation in the evaporation fermentation tower 1 is at the optimal fermentation humidity.
S7: and (3) continuously fermenting the residual fermentation product in the evaporation fermentation tower 1 to obtain the organic fertilizer, and discharging condensate in the collecting tank to obtain the organic fertilizer water.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The kitchen waste liquid treatment device is characterized by comprising an evaporation fermentation tower (1), an air duct (2), a condensation reflux box (3) and a reflux pipe (4) provided with a reflux pump, wherein the evaporation fermentation tower (1) and the condensation reflux box (3) form a closed-loop communication passage through the air duct (2) and the reflux pipe (4), so that an evaporation fraction in the evaporation fermentation tower (1) enters the condensation reflux box (3) along the air duct, is condensed into liquid, flows into the reflux pipe (4) through the reflux pump in a pressurizing manner, and flows back to the evaporation fermentation tower;
the evaporation fermentation tower (1) is connected with negative pressure gas transmission equipment and heating equipment, the negative pressure gas transmission equipment is used for reducing the boiling point of water in the evaporation fermentation tower to be below the inactivation temperature of fermentation strains, and simultaneously ventilating kitchen waste liquid in the evaporation fermentation tower, the heating equipment is used for heating and evaporating the kitchen waste liquid, the gas guide pipe (2) is arranged around the lower part of the surface of the evaporation fermentation tower (1), and the heat of the evaporation fraction and the heating equipment keep the fermentation temperature in the evaporation fermentation tower (1) constant;
the condensing reflux box (3) comprises a box body (310) and a collecting tank (320), a plurality of condensing pipes (330) and a circulating water tank (340) which are arranged in the box body (310), wherein the collecting tank (320) is positioned at the bottom of the box body (310), a reflux pipe (4) is positioned at one end part of the condensing reflux box (3) and communicated with the collecting tank (320), the condensing pipes (330) are arranged above the collecting tank (320) in parallel, and the circulating water tank (340) is arranged at the upper part of the box body (310) and is in circulating connection with the condensing pipes (330) through two pipelines;
the plurality of condensing pipes are in an inverted cone shape, the surfaces of the plurality of condensing pipes are in a step shape which is gradually contracted and distributed from top to bottom, and a deodorizing device and an ozone sterilizing device are arranged in the collecting tank (320);
the negative pressure gas transmission equipment comprises a vacuum pump (5), an exhaust pipe (6) and an air inlet pipe (7), wherein one end of the exhaust pipe (6) is communicated with the air guide pipe (2) through the vacuum pump (5), the other end of the exhaust pipe is connected to the upper part of kitchen waste liquid in the evaporation fermentation tower (1), one end of the air inlet pipe (7) is communicated with air, and the other end of the air inlet pipe is inserted below the liquid level of the kitchen waste liquid.
2. The processing apparatus according to claim 1, wherein,
the evaporation fermentation tower (1) is provided with a feeding port for feeding fermentation strains, the condensation reflux box is provided with a water outlet, and the feeding port and the water outlet are both provided with electromagnetic valves controlled by a controller.
3. The processing apparatus according to claim 2, wherein,
the evaporation fermentation tower (1) is internally provided with a temperature sensor, a controller is further arranged outside the condensation reflux box (3), and the controller is connected with the temperature sensor, the negative pressure gas transmission equipment, the heating equipment, the reflux pump and the electromagnetic valve.
4. The processing apparatus according to claim 3, wherein,
one end of the air inlet pipe (7) inserted into the kitchen waste liquid is provided with densely arranged air outlet holes, the pipe orifice covers the metal gauze, and one end of the air inlet pipe (7) communicated with air is provided with a sterilizing filter.
5. The processing apparatus according to claim 1, wherein,
an ultraviolet lamp is arranged in the evaporation fermentation tower (1), and a turning roller is arranged at the bottom.
6. The kitchen waste liquid treatment method is characterized by comprising the following steps of:
s1: placing kitchen waste liquid into an evaporation fermentation tower (1) of the treatment device according to any one of claims 1-5;
s2: adding a proper amount of fermentation strain into the kitchen waste liquid;
s3: simultaneously starting the negative pressure gas transmission equipment and the heating equipment to ensure that the temperature in the evaporation fermentation tower (1) is constant, so that the kitchen waste liquid starts to ferment and can be evaporated in water, and enters the condensation reflux box (3) along the gas guide pipe (2);
s4: enabling the evaporated fraction to pass through a plurality of condensing pipes in the condensing reflux box (3) to become condensate to drop to a collecting tank positioned below;
s5: starting a reflux pump in the collecting tank, pressing condensate into the evaporation fermentation tower (1), and continuing distillation fermentation;
s6: repeating S3-S5 until the residual fermentation in the evaporation fermentation tower (1) is at the optimal fermentation humidity;
s7: and (3) continuously fermenting the residual fermentation product in the evaporation fermentation tower (1) to obtain an organic fertilizer, and discharging condensate in the collecting tank to obtain organic fertilizer water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011063989.2A CN112390665B (en) | 2020-09-30 | 2020-09-30 | Kitchen waste liquid treatment device and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011063989.2A CN112390665B (en) | 2020-09-30 | 2020-09-30 | Kitchen waste liquid treatment device and treatment method |
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| Publication Number | Publication Date |
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| CN112390665A CN112390665A (en) | 2021-02-23 |
| CN112390665B true CN112390665B (en) | 2023-05-16 |
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| CN202011063989.2A Active CN112390665B (en) | 2020-09-30 | 2020-09-30 | Kitchen waste liquid treatment device and treatment method |
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Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2001068563A1 (en) * | 2000-03-15 | 2001-09-20 | Japan Noble Systems Inc. | Method and apparatus for producing organic fertilizer |
| CN200951989Y (en) * | 2006-10-12 | 2007-09-26 | 赵增发 | Liquid fertilizer fermenting device |
| CN201276562Y (en) * | 2008-10-22 | 2009-07-22 | 方民 | Aerobic biofermentation tank for recycling tail gas |
| CN101993280A (en) * | 2009-08-10 | 2011-03-30 | 江南大学 | Method for producing compound fertilizer by using fermentation glutamate extraction waste liquor |
| KR101180328B1 (en) * | 2010-10-27 | 2012-09-06 | 경북대학교 산학협력단 | Fermentation method and apparatus for manufacture of Liquid-fertilizer with two-step condensing module |
| CN103732562B (en) * | 2012-06-28 | 2016-07-06 | 瓦比奥科技公司 | Preparation has the method for the organic fertilizer of high nutrient density, and for performing the arrangement of described method |
| CN104628069B (en) * | 2015-01-13 | 2017-02-22 | 河南农业大学 | Device for performing negative pressure evaporation and concentration on biogas fluid |
| CN206901971U (en) * | 2017-02-21 | 2018-01-19 | 广东利世康低碳科技有限公司 | A kind of fermentation based on rubbish from cooking waste water and distillation process for producing line |
| CN206747231U (en) * | 2017-02-21 | 2017-12-15 | 广东利世康低碳科技有限公司 | A kind of kitchen garbage harmless treatment production line |
| CN107537659B (en) * | 2017-09-26 | 2018-09-18 | 徐美琴 | A kind of equipment of processing rubbish |
| CN207726984U (en) * | 2017-12-13 | 2018-08-14 | 云南农业大学 | A kind of pig raising excrement cyclic processing device |
| CN109929740A (en) * | 2019-04-28 | 2019-06-25 | 王毅 | Excrement sludge aerobic fermentation unit and its multilayer aerobic fermentation system |
| CN110129184B (en) * | 2019-06-04 | 2023-11-24 | 银川亿源肥料有限公司 | Negative pressure differential spraying system equipment for producing biological fermentation feed or fertilizer |
| CN210656931U (en) * | 2019-06-04 | 2020-06-02 | 宁夏吴忠市汇仁生物肥料有限公司 | Negative pressure difference spraying system equipment for producing biological fermentation feed or fertilizer |
| CN110436968A (en) * | 2019-07-05 | 2019-11-12 | 福建清道夫环保科技有限公司 | A kind of dry stirring fermentation system of fertilizer |
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2020
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