CN113735641A - Multi-effect coupling household garbage humification sorting device and process - Google Patents

Multi-effect coupling household garbage humification sorting device and process Download PDF

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Publication number
CN113735641A
CN113735641A CN202111038393.1A CN202111038393A CN113735641A CN 113735641 A CN113735641 A CN 113735641A CN 202111038393 A CN202111038393 A CN 202111038393A CN 113735641 A CN113735641 A CN 113735641A
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fan
solution
garbage
outlet
humification
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祁彧
张弛
郭天宇
刘彦材
赵锦江
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Taiyuan University of Technology
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Taiyuan University of Technology
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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
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F11/00—Other organic fertilisers
    • C05F11/02—Other organic fertilisers from peat, brown coal, and similar vegetable deposits
    • 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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a multi-effect coupling domestic garbage humification sorting device, which relates to the technical field of garbage treatment and comprises the following components: the device comprises a rotary screen, wherein an oversize product outlet of the rotary screen is communicated with an inlet of a crusher, an outlet of the crusher is communicated with an inner cavity of a dryer, an outlet of the dryer is communicated with a wind power separator, a light product outlet of the wind power separator is communicated with a crusher, an outlet of the crusher is communicated with an inlet of a modified purification extraction separator, and a cavity of the modified purification extraction separator is divided into an alkali solution separation area, an electric field separation area and an acid precipitation area. The invention carries out coupling automatic sorting of various effects on the mixed domestic garbage according to the granularity, the density, the electric charge performance, the water-containing performance and the chemical performance, emphasizes gradual purification and the enrichment of humus in the garbage in the sorting process, and finally obtains a product which is rich in humus and is suitable for composting high-quality organic matters.

Description

Multi-effect coupling household garbage humification sorting device and process
Technical Field
The invention relates to the technical field of garbage treatment, in particular to a multi-effect coupling household garbage humification sorting device and process.
Background
Organic matters in the household garbage, particularly humus in the household garbage are high-quality compost raw materials and are hot products in the field of solid waste resource utilization. If the humus in the garbage can be rapidly sorted out, the efficiency of classifying and recycling the household garbage can be greatly improved, and good economic benefit and social benefit can be obtained.
However, the conventional garbage classification depends on the quality of residents, so that the garbage classification in large scale and high efficiency is difficult to realize, and the humus in the garbage is difficult to be largely sorted out. On the other hand, if the humus is to be separated from the garbage by a chemical method, a complex chemical instrument is required, and huge financial resources and time are consumed.
Therefore, the technical problem to be solved by the present invention is how to provide a sorting device capable of quickly sorting out organic matters, especially humus, from domestic garbage so as to achieve the goal of low-cost and large-amount humus extraction.
Disclosure of Invention
In view of the above, the invention provides a multi-effect coupling domestic garbage humification sorting device and process, which aims to solve one of the problems in the background art and realize the quick sorting of the humins in the domestic garbage so as to realize the low-cost and large-volume humin extraction target.
In order to achieve the purpose, the invention provides a multi-effect coupling domestic garbage humification sorting device, which adopts the following technical scheme:
a multi-effect coupling domestic waste humification sorting unit includes: the device comprises a rotary screen, wherein an oversize outlet of the rotary screen is communicated with an inlet of a crusher, an outlet of the crusher is communicated with an inner cavity of a dryer, an air pipe is horizontally arranged below the dryer, one end of the air pipe is connected with a first fan, the other end of the air pipe is communicated with a wind power separator, an outlet of the dryer is communicated with the inner cavity of the air pipe, one side, close to the air pipe, of the wind power separator is provided with a blowing port of a second fan, one side, opposite to the blowing port of the second fan, of the wind power separator is provided with a light product outlet, the light product outlet is provided with an interception screen plate, the light product outlet is communicated with a pulverizer, an outlet of the pulverizer is communicated with the inlet of the modified purification extraction separator, a cavity of the modified purification extraction separator is internally divided into an alkali solution separation region, an electric field separation region and an acid precipitation region, and the alkali solution separation region is positioned below the inlet of the modified purification extraction separator, the electric field separation area and the acid precipitation and precipitation area are located on one side of the alkali dissolution separation area, the electric field separation area is located above the acid precipitation and precipitation area, the alkali dissolution separation area is provided with an alkali mist spray head, a blowing port of a third fan is formed in the side wall of the alkali dissolution separation area, a blowing port of a fourth fan is formed in the bottom of the alkali dissolution separation area, the electric field separation area is provided with a positive plate and a negative plate, the positive plate is arranged on the upper portion of the electric field separation area, the negative plate is arranged on the side wall, away from the alkali dissolution separation area, of the electric field separation area, a negative pressure fan port is formed in the side wall of the electric field separation area, an acid mist spray head is arranged on the upper portion of the acid precipitation and precipitation area, a precipitation plate is arranged below the acid mist spray head, and a humic substance outlet is formed in a shell of the modified purification extraction separator below the precipitation plate.
Furthermore, a stirring blade is arranged in the inner cavity of the dryer.
Further, the multi-effect coupling domestic waste humification sorting device further comprises an ultrasonic transmitter, wherein the ultrasonic transmitter is arranged in an inner cavity of the dryer.
Further, the multi-effect coupling domestic waste humification sorting device further comprises an air heater, the air heater is communicated with the inner cavity of the dryer, and a hot air outlet is formed in the side wall of the dryer.
Furthermore, the blowing port of the second fan is arranged in an upward inclined manner, heavy products are settled and discharged from a heavy product outlet at the bottom of the wind power separator under the combined action of the first fan and the second fan, and light products pass through the interception screen plate and are discharged from a light product outlet.
Further, the multi-effect coupling domestic garbage humification sorting device further comprises a conveying device, wherein the conveying device is arranged between the light product outlet and the inlet of the pulverizer and is used for conveying the light products discharged from the light product outlet into the pulverizer.
Further, a baffle is arranged between the alkali solution separation zone and the acid precipitation and precipitation zone, and the baffle is used for guiding and limiting air blown out by the third fan and the fourth fan.
The invention also provides a multi-effect coupling domestic garbage humification sorting process, which can quickly sort out the humins in the domestic garbage so as to realize the low-cost and large-volume humin extraction target.
The following technical scheme is adopted specifically:
a multi-effect coupling household garbage humification sorting process uses the multi-effect coupling household garbage humification sorting device, and specifically comprises the following steps:
firstly, introducing slurry mixed garbage into a drum screen, screening undersize matters and oversize matters with small particle sizes by the drum screen, introducing oversize matters with large particle sizes into a crusher to be crushed into fragment garbage, introducing the fragment garbage into a dryer, drying the fragment garbage by the dryer, discharging the dried fragment garbage out of the dryer, introducing the fragment garbage into a wind power separator through an air pipe under the action of a first fan, discharging light products in the dried fragment garbage into a crusher through a light product outlet after passing through an interception screen plate under the combined action of the first fan and a second fan, crushing the light products into fragment garbage by the crusher, discharging the fragment garbage into a modified purification extraction separator through an outlet of the crusher, coagulating the fragment garbage with an alkaline solution sprayed by an alkaline spray nozzle in an alkaline solution separation area, and allowing the fragment garbage coagulated by the alkaline solution to enter an electric field separation area under the action of a third fan and a fourth fan, under the effect of positive plate and negative plate, the humic substance rubbish in the piece rubbish under the effect of electric field with descend to acid precipitation heavy district, another part in the piece rubbish forms electrified piece rubbish under the electric field effect, and electrified piece rubbish is discharged under negative pressure positive blower's effect, and wherein, the humic substance rubbish is in getting into acid precipitation heavy district and acid solution that the acid mist shower nozzle erupted and condense formation humic acid organic matter, and the humic acid organic matter deposits and finally discharges from the humic substance export on the settlement plate.
Further, the alkaline solution is a chemical-biological composite alkaline solution, and comprises NaOH solution and Na2P2O7Solution and plant extraction alkali liquor, wherein the concentration of NaOH solution is 0.15-0.20 mol/L, and Na2P2O7The concentration of the solution is 0.10-0.15 mol/L, NaOH solution and Na2P2O7The volume ratio of the solution to the plant extraction alkali liquor is 2:1: 2;
wherein, the plant extraction alkali liquor is prepared by soaking flos Daturae Metelis powder in 0.5% HCl, and the adding ratio of flos Daturae Metelis powder to HCl is as follows: adding 80g of flos Daturae Metelis powder into every 1L of 0.5% HCl, soaking for 50-80 min, filtering with double-layer gauze, and filtering with rapid filter paper to obtain primary alkaloid extract, wherein the primary alkaloid extract is subjected to ion exchange with neutral cation exchange resin to obtain plant extract alkali solution.
Further, the acid solution is a chemical-biological composite acid solution, and comprises the components of an HCl solution and an oxalic acid solution, wherein the concentration of the HCl solution is 10-15 mol/L, the concentration of the oxalic acid solution is 5% -8%, and the volume ratio of the HCl solution to the oxalic acid solution is 2: 1.
According to the technical scheme, compared with the prior art, the multi-effect coupling domestic garbage humification sorting device is provided, the mixed domestic garbage is automatically sorted in a coupling mode with multiple effects according to the granularity, the density, the electric charge performance, the water-containing performance and the chemical performance, the humins in the garbage are purified and enriched step by step in the sorting process, and finally obtained products are rich in the humins and are suitable for composting high-quality organic matters.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a multi-effect coupling domestic garbage humification sorting device provided by the invention.
Wherein: 1 is a drum screen; 2 is a crusher; 3 is a dryer; 4 is an air pipe; 5 is a first fan; 6 is a wind power separator; 7 is a second fan; 8 is an interception screen plate; 9 is a pulverizer; 10 is a modified purifying extracting separator; 11 is an alkali fog nozzle; 12 is a third fan; 13 is a fourth fan; 14 is a positive plate; 15 is a negative plate; 16 is an acid mist spray head; 17 is a settling plate; 18 is a humus outlet; 19 is a stirring blade; 20 is an ultrasonic transmitter; 21 is a hot air blower; 22 is a hot air outlet; 23 is a conveying device; and 24 is a baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
On one hand, referring to fig. 1, the embodiment of the invention discloses a multi-effect coupling domestic garbage humification sorting device, which comprises: the device comprises a rotary screen 1, wherein an oversize product outlet of the rotary screen 1 is communicated with an inlet of a crusher 2, an outlet of the crusher 2 is communicated with an inner cavity of a dryer 3, an air pipe 4 is horizontally arranged below the dryer 3, one end of the air pipe 4 is connected with a first fan 5, the other end of the air pipe 4 is communicated with a wind power sorting machine 6, an outlet of the dryer 3 is communicated with the inner cavity of the air pipe 4, one side of the wind power sorting machine 6, which is close to the air pipe 4, is provided with a blowing port of a second fan 7, one side of the wind power sorting machine 6, which is opposite to the blowing port of the second fan 7, is provided with a light product outlet, the light product outlet is provided with an interception screen plate 8 and is communicated with a pulverizer 9, an outlet of the pulverizer 9 is communicated with an inlet of a modified purification extraction sorting machine 10, the cavity of the modified purification extraction sorting machine 10 is internally divided into an alkali dissolution sorting area, an electric field sorting area and an acid precipitation area, the alkali dissolution sorting area is positioned below the inlet of the modified purification extraction sorting machine 10, electric field sorting area and acid precipitation settling area are located one side of alkali solution sorting area, and electric field sorting area is located the top of acid precipitation settling area, alkali solution sorting area is provided with alkali fog shower nozzle 11, and the mouth of blowing of third fan 12 has on the lateral wall of alkali solution sorting area, the bottom of alkali solution sorting area has the mouth of blowing of fourth fan 13, electric field sorting area is provided with positive plate 14 and negative plate 15, and positive plate 14 sets up the upper portion in electric field sorting area, negative plate 15 sets up on the lateral wall of electric field sorting area keeping away from alkali solution sorting area, be provided with negative pressure fan mouth on the lateral wall of electric field sorting area, the upper portion in acid precipitation settling area is equipped with acid fog shower nozzle 16, the below of acid fog shower nozzle 16 is equipped with settling plate 17, humic matter export 18 has on the casing of modified purification extraction sorter 10 below settling plate 17.
In this embodiment, it is preferable that the trommel screen 1 is provided with a # 1 screen and a # 2 screen, wherein the aperture of the # 1 screen is 15mm-30mm, and the aperture of the # 2 screen is 5mm-15mm, so that the oversize of the # 1 screen is mainly large inorganic garbage and large kitchen garbage with the particle size larger than 30mm, the undersize of the # 1 screen is mainly small kitchen garbage with the particle size smaller than 30mm, and the undersize of the # 2 screen is fine dust with the particle size smaller than 15mm, wherein the garbage with the particle size of 15mm-30mm is discharged from the # 1 outlet, and the garbage with the particle size smaller than 15mm is discharged from the # 2 outlet.
In this embodiment, a stirring blade 19 and an ultrasonic emitter 20 are disposed in an inner cavity of the dryer 3, and at the same time, by disposing an air heater 21, the air heater 21 introduces hot air into the inner cavity of the dryer 3 from the bottom of the dryer 3, and by disposing the stirring blade 19 and the ultrasonic emitter 20, the oversize product screened by the trommel screen 1 can be sufficiently dried, wherein the stirring blade 19 propels and stirs the oversize product entering the inner cavity of the dryer 3, so as to increase a heat exchange area between the oversize product and the hot air introduced by the air heater 21, so as to sufficiently exchange heat between the hot air and the oversize product, and at the same time, a hot air outlet 22 is disposed on a side wall of the dryer 3, preferably, a negative pressure fan is disposed at the hot air outlet 22, a power of the air heater 21 is 2.5KW, the air heater 21 provides 30-45 ℃, a negative pressure fan power is 3KW, so as to promote discharge of water vapor, drying effect of lifting oversizeIn addition, the ultrasonic emitter 20 is a pulse type ultrasonic emitter 20, on one hand, the pulse state is used for promoting the oversize material with large particle size to obtain the buffer discrete time, and the layering phenomenon caused by the continuous acting force on the particle material in the garbage or the local particle accumulation is avoided; on the other hand, the pulse operation mode can save energy on the premise of realizing the same treatment effect, further improve the evaporation rate of water in the oversize product with large particle size, thereby improving the extraction efficiency of humus in the garbage, and preferably, the frequency of the ultrasonic transmitter 20 is controlled to be 35 KHz-40 KHz, and the power density is 1.0W/cm2～1.5W/cm2The time sequence of the control pulse is as follows: work 120s, stop 5 s.
In the embodiment, the blowing port of the second fan 7 is arranged obliquely upward, preferably, the blowing port of the second fan 7 is inclined at an angle of 45 °, under the combined action of the first fan 5 and the second fan 7, the airflows blown by the first fan 5 and the second fan 7 generate a cross action, wherein the speed of the air port of the first fan 5 is 1.2m/s to 1.5m/s, the speed of the air port of the second fan 7 is 1.6m/s to 2.0m/s, the power of the first fan 5 is 2.5KW, the power of the second fan 7 is 3KW, heavy products are settled and discharged from the heavy product outlet at the bottom of the wind power separator 6, and light products pass through the interception mesh plate 8 and are discharged from the light product outlet.
In this embodiment, the multi-effect coupling domestic garbage humification sorting device further comprises a conveying device 23, the conveying device 23 is arranged between the light product outlet and the inlet of the crusher 9 and is used for conveying the light products discharged from the light product outlet into the crusher 9, and preferably, the conveying device 23 is a conveying belt.
In this embodiment, a baffle 24 is disposed between the alkali solution separation region and the acid precipitation region, the baffle 24 is used for guiding and limiting the air blown by the third fan 12 and the fourth fan 13, preferably, two third fans 12 are provided, the air blowing port of one of the two third fans 12 is opposite to the baffle 24, the air blowing port of the other third fan 12 is opposite to the electric field separation region, and two fourth fans 13 are provided, the air blowing ports of the two fourth fans 13 are disposed below the alkali mist spray head 11, in other embodiments, the fourth fan 13 may be disposed in multiple numbers according to actual requirements, and the number of the fourth fans 13 is not specifically limited herein.
On the other hand, the invention also provides a multi-effect coupling domestic garbage humification sorting process, which realizes the rapid sorting of the humins in the domestic garbage so as to realize the low-cost and large-volume humins extraction target, and the technical scheme is as follows:
the multi-effect coupling household garbage humification sorting process uses the multi-effect coupling household garbage humification sorting device and specifically comprises the following steps:
firstly, slurry mixed garbage is introduced into a drum screen 1, undersize materials with small particle size and oversize materials with large particle size are screened out by the drum screen 1, oversize materials with large particle size are introduced into a crusher 2 to be crushed into fragment garbage, the fragment garbage is introduced into a dryer 3, the fragment garbage is dried by the dryer 3, the dried fragment garbage is discharged out of the dryer 3, the fragment garbage is introduced into a wind power separator 6 through a wind pipe 4 under the action of a first fan 5, light products in the dried fragment garbage pass through an interception screen plate 8 and are discharged into a crusher 9 through a light product outlet under the combined action of the first fan 5 and a second fan 7, the light products are crushed into fragment garbage through the crusher 9, the fragment garbage is discharged into a modified purification extraction separator 10 through the outlet of the crusher 9, and the fragment garbage is coagulated with alkaline solution sprayed out of an alkaline spray nozzle 11 in an alkaline solution separation area, the alkaline solution coagulated piece rubbish gets into the electric field under the effect of third fan 12 and fourth fan 13 and selects separately the district, under the effect of positive plate 14 and negative plate 15, the humic substance rubbish in the piece rubbish neutralizes and descends to acid precipitation heavy district under the effect of electric field, another part in the piece rubbish forms electrified piece rubbish under the effect of electric field, the electrified piece rubbish is discharged under negative-pressure air fan's effect, wherein, the humic substance rubbish is getting into acid precipitation heavy district and acid mist shower nozzle 16 erupts acid solution and is condensed formation humic acid organic matter, humic acid organic matter deposits on the settlement plate 17 and finally discharges from humic substance export 18.
In this embodiment, the alkaline solution is a chemical-biological composite alkaline solution, and its components include NaOH solution and Na2P2O7Solution and plant extraction alkali liquor, wherein the concentration of NaOH solution is 0.15-0.20 mol/L, and Na2P2O7The concentration of the solution is 0.10-0.15 mol/L, NaOH solution and Na2P2O7The volume ratio of the solution to the plant extraction alkali liquor is 2:1: 2;
wherein, the plant extraction alkali liquor is prepared by soaking flos Daturae Metelis powder in 0.5% HCl, and the adding ratio of flos Daturae Metelis powder to HCl is as follows: adding 80g of flos Daturae Metelis powder into every 1L of 0.5% HCl, soaking for 50-80 min, filtering with double-layer gauze, and filtering with rapid filter paper to obtain primary alkaloid extract, wherein the primary alkaloid extract is subjected to ion exchange with neutral cation exchange resin to obtain plant extract alkali solution.
Specifically, the acidic solution is a chemical-biological composite acid solution, and comprises an HCl solution and an oxalic acid solution, wherein the concentration of the HCl solution is 10-15 mol/L, the concentration of the oxalic acid solution is 5% -8%, and the volume ratio of the HCl solution to the oxalic acid solution is 2: 1.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a multiple-effect coupling domestic waste humification sorting unit which characterized in that includes: the device comprises a rotary screen, wherein an oversize outlet of the rotary screen is communicated with an inlet of a crusher, an outlet of the crusher is communicated with an inner cavity of a dryer, an air pipe is horizontally arranged below the dryer, one end of the air pipe is connected with a first fan, the other end of the air pipe is communicated with a wind power separator, an outlet of the dryer is communicated with the inner cavity of the air pipe, one side, close to the air pipe, of the wind power separator is provided with a blowing port of a second fan, one side, opposite to the blowing port of the second fan, of the wind power separator is provided with a light product outlet, the light product outlet is provided with an interception screen plate, the light product outlet is communicated with a pulverizer, an outlet of the pulverizer is communicated with the inlet of the modified purification extraction separator, a cavity of the modified purification extraction separator is internally divided into an alkali solution separation region, an electric field separation region and an acid precipitation region, and the alkali solution separation region is positioned below the inlet of the modified purification extraction separator, the electric field separation area and the acid precipitation and precipitation area are located on one side of the alkali dissolution separation area, the electric field separation area is located above the acid precipitation and precipitation area, the alkali dissolution separation area is provided with an alkali mist spray head, a blowing port of a third fan is formed in the side wall of the alkali dissolution separation area, a blowing port of a fourth fan is formed in the bottom of the alkali dissolution separation area, the electric field separation area is provided with a positive plate and a negative plate, the positive plate is arranged on the upper portion of the electric field separation area, the negative plate is arranged on the side wall, away from the alkali dissolution separation area, of the electric field separation area, a negative pressure fan port is formed in the side wall of the electric field separation area, an acid mist spray head is arranged on the upper portion of the acid precipitation and precipitation area, a precipitation plate is arranged below the acid mist spray head, and a humic substance outlet is formed in a shell of the modified purification extraction separator below the precipitation plate.
2. The multi-effect coupling household garbage humification separation device as claimed in claim 1, wherein a stirring paddle is arranged in an inner cavity of the dryer.
3. The multi-effect coupling household garbage humification sorting device as claimed in claim 1 or 2, further comprising an ultrasonic emitter, wherein the ultrasonic emitter is arranged in an inner cavity of the dryer.
4. The multi-effect coupling household garbage humification sorting device as claimed in claim 3, further comprising a hot air blower, wherein the hot air blower is communicated with an inner cavity of the dryer, and a hot air outlet is formed in the side wall of the dryer.
5. The multi-effect coupling household garbage humification separation device as claimed in claim 1, wherein a blowing port of the second fan is arranged in an upward inclined manner, heavy products settle and are discharged from a heavy product outlet at the bottom of the wind separator under the combined action of the first fan and the second fan, and light products pass through the interception screen plate and are discharged from a light product outlet.
6. The multi-effect coupling household garbage humification separation device as claimed in claim 5, further comprising a conveying device arranged between the light product outlet and the inlet of the pulverizer for conveying the light products discharged from the light product outlet into the pulverizer.
7. The multi-effect coupling household garbage humification separation device as claimed in claim 1, wherein a baffle is arranged between the alkali solution separation zone and the acid precipitation and precipitation zone, and the baffle is used for guiding and limiting air blown by the third fan and the fourth fan.
8. A multi-effect coupling domestic waste humification sorting process is characterized in that the multi-effect coupling domestic waste humification sorting device of any one of claims 1-7 is used, and specifically comprises the following steps:
firstly, introducing slurry mixed garbage into a drum screen, screening undersize matters and oversize matters with small particle sizes by the drum screen, introducing oversize matters with large particle sizes into a crusher to be crushed into fragment garbage, introducing the fragment garbage into a dryer, drying the fragment garbage by the dryer, discharging the dried fragment garbage out of the dryer, introducing the fragment garbage into a wind power separator through an air pipe under the action of a first fan, discharging light products in the dried fragment garbage into a crusher through a light product outlet after passing through an interception screen plate under the combined action of the first fan and a second fan, crushing the light products into fragment garbage by the crusher, discharging the fragment garbage into a modified purification extraction separator through an outlet of the crusher, coagulating the fragment garbage with an alkaline solution sprayed by an alkaline spray nozzle in an alkaline solution separation area, and allowing the fragment garbage coagulated by the alkaline solution to enter an electric field separation area under the action of a third fan and a fourth fan, under the effect of positive plate and negative plate, the humic substance rubbish in the piece rubbish under the effect of electric field with descend to acid precipitation heavy district, another part in the piece rubbish forms electrified piece rubbish under the electric field effect, and electrified piece rubbish is discharged under negative pressure positive blower's effect, and wherein, the humic substance rubbish is in getting into acid precipitation heavy district and acid solution that the acid mist shower nozzle erupted and condense formation humic acid organic matter, and the humic acid organic matter deposits and finally discharges from the humic substance export on the settlement plate.
9. The multi-effect coupling domestic waste humification separation process of claim 8, wherein the alkaline solution is a chemical-biological composite alkaline solution, and the components of the alkaline solution comprise NaOH solution and Na2P2O7Solution and plant extraction alkali liquor, wherein the concentration of NaOH solution is 0.15-0.20 mol/L, and Na2P2O7The concentration of the solution is 0.10-0.15 mol/L, NaOH solution and Na2P2O7The volume ratio of the solution to the plant extraction alkali liquor is 2:1: 2;
wherein, the plant extraction alkali liquor is prepared by soaking flos Daturae Metelis powder in 0.5% HCl, and the adding ratio of flos Daturae Metelis powder to HCl is as follows: adding 80g of flos Daturae Metelis powder into every 1L of 0.5% HCl, soaking for 50-80 min, filtering with double-layer gauze, and filtering with rapid filter paper to obtain primary alkaloid extract, wherein the primary alkaloid extract is subjected to ion exchange with neutral cation exchange resin to obtain plant extract alkali solution.
10. The multi-effect coupling domestic waste humification separation process as claimed in claim 8 or 9, wherein the acidic solution is a chemical-biological composite acid solution, and the components of the acidic solution include an HCl solution and an oxalic acid solution, the concentration of the HCl solution is 10-15 mol/L, the concentration of the oxalic acid solution is 5% -8%, and the volume ratio of the HCl solution to the oxalic acid solution is 2: 1.
CN202111038393.1A 2021-09-06 2021-09-06 Multi-effect coupling household garbage humification sorting device and process Pending CN113735641A (en)

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Application publication date: 20211203