CN211866160U

CN211866160U - Kitchen waste centralized treatment device for residential areas of villages, towns and urban districts

Info

Publication number: CN211866160U
Application number: CN202020294128.4U
Authority: CN
Inventors: 聂勇
Original assignee: Yueyang Baisheng Intelligent Environmental Protection Technology Co ltd
Current assignee: Yueyang Baisheng Intelligent Environmental Protection Technology Co ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-11-06
Anticipated expiration: 2030-03-11

Abstract

The invention discloses a centralized kitchen waste treatment device for residential areas of urban districts in villages and towns. The kitchen waste is heated by adopting a microwave integral uniform heating mode, a large amount of grease is discharged and floats on the water surface after fats in the waste are heated, floating oil is collected by using a floating oil collecting assembly, deacidification and deodorization are carried out after the floating oil is collected, and then the floating oil is refined into the biodiesel; grinding and crushing the solid garbage, carbonizing, and applying to vegetation greening and fertilizing in a community; and (3) degrading organic matters by adopting an A/O (anaerobic/oxic) treatment component for kitchen sewage, further filtering and disinfecting by utilizing an active carbon filtering component, and discharging the sewage reaching the standard into a pipe network.

Description

Kitchen waste centralized treatment device for residential areas of villages, towns and urban districts

Technical Field

The invention relates to the technical field of kitchen waste treatment, in particular to a kitchen waste concentration place for residential areas of village, town and city districts

And (5) arranging the devices.

Background

Kitchen waste can be generated after meals by residents, and the quantity of kitchen waste in China is very large and is in a rapid rising trend. The kitchen waste is easy to rot and deteriorate, emits foul smell and spreads bacteria and viruses. Therefore, disposal of the waste is required.

The existing kitchen waste treatment device is easy to waste resources and has poor treatment effect; for example, the chinese invention patent 201910592034.7 discloses a kitchen waste treatment system, which comprises a conveyer crushing chamber, a grinding chamber, a compression separation device, an oil-water separation device and a water treatment device; the solid substance in the fertilizer is called as particles after primary crushing, crushing and grinding by conveying, then the solid and the liquid are separated by extrusion, the solid particles are fully dewatered and dried to be used as fertilizer raw materials, the upper layer oil is removed and collected by the density of the oil and the water, and the water is sterilized after filtering and foaming to obtain treated water; however, the above patents have the following drawbacks: (1) the fat in the garbage is also mixed with grease, and the oil in the grease is not released, so that the recycling of oil resources is not facilitated; (2) the kitchen waste is easy to decay and deteriorate, and contains a large amount of toxic and harmful bacteria, microorganisms, viruses and the like, and the above patents are not inactivated in advance, so that secondary pollution is caused in the waste; (3) the kitchen waste contains much water and has large content of organic matters, and the kitchen waste is not subjected to A/O biochemical treatment, so that the official sewage is polluted greatly.

In the prior art, the kitchen waste is also treated in a mode of adding chemicals for neutralizing and removing oil stains, so that resources are wasted.

Disclosure of Invention

The invention aims to solve the technical problem of providing a centralized treatment device for kitchen waste in residential areas of villages and towns, which adopts an immersion impurity removal component to remove scum, adopts a microwave heating inactivation component to discharge grease in the waste, simultaneously inactivates and reduces toxicity, adopts an A/O treatment component to degrade organic pollutants in the waste and adopts a low-temperature carbonization component to carbonize.

The utility model provides a villages and towns city residential district kitchen garbage centralized treatment device, includes consecutive kitchen garbage collection subassembly, mechanical crushing subassembly, soaks edulcoration subassembly, microwave heating deactivation subassembly, oil slick collection subassembly, solid-liquid separation subassembly, and solid-liquid separation subassembly links to each other with grinding crushing unit and AO processing assembly respectively, and grinding crushing unit links to each other with low temperature carbomorphism subassembly, and AO processing assembly links to each other with active carbon filter assembly.

In one embodiment, the mechanical crushing assembly comprises a crusher.

In one embodiment, the soaking and impurity removing assembly comprises a soaking pool and a scum fishing assembly.

In one embodiment, the solid-liquid separation assembly comprises a filter press.

The invention has the advantages and beneficial effects that:

the invention carries out centralized disposal on the kitchen waste of residential sites of urban districts of villages and towns, can realize the recycling and harmless utilization of the kitchen waste, and is an efficient treatment device for the kitchen waste after the household waste is classified.

The kitchen waste collected by the kitchen waste collection assembly is sent to the crusher, the crusher crushes the kitchen waste, the crushed kitchen waste is conveyed to the soaking pool to be soaked in water, organic garbage slowly sinks to the bottom of the pool after absorbing water, garbage of plastic bags and fast food boxes floats to the water surface, and the garbage of the plastic bags and fast food boxes floating on the water surface is removed by the scum fishing assembly. Then, the kitchen waste is heated by adopting an integral uniform heating mode of microwaves of the microwave heating inactivation assembly, fat in the waste is heated, a large amount of grease is discharged and floats on the water surface, and meanwhile, living cells such as insects, viruses and the like in the waste can be killed and inactivated together by microwave heating, so that toxicity is reduced; and collecting the floating oil on the water surface of the soaking pool by using a floating oil collecting assembly, deacidifying and deodorizing after collecting, and refining into the biodiesel. And extruding and dehydrating the deoiled garbage through a filter press. Wherein, the dehydrated solid garbage enters a grinding and crushing assembly for crushing; conveying the ground and crushed garbage into a low-temperature carbonization component for carbonization; the carbonized particles are used for greening and fertilizing the vegetation in the residential area. Delivering kitchen sewage obtained by extrusion and dehydration of a filter press (solid-liquid separation component) into an A/O treatment component to degrade organic pollutants in the sewage; and then the activated carbon filtering component is utilized to further filter and disinfect the organic matters, phosphorus, nitrogen and other nutritive substances which are difficult to degrade in the anaerobic treatment, and the sewage after the treatment reaches the standard is discharged into a town sewage pipe network.

The microwave heating inactivation assembly is adopted, so that a large amount of grease is discharged and floats on the water surface after fat in the garbage is heated, the oil recovery and reutilization rate is high, resources are saved, living cells such as insects, viruses and the like in the garbage can be killed and inactivated together, the toxicity is reduced, and secondary pollution is avoided. The invention adopts the A/O processing assembly, and the degradation effect of the organic matters is good.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Detailed Description

In order to facilitate an understanding of the invention, a full description thereof will be given below with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

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. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example 1

Referring to fig. 1, the kitchen waste centralized treatment device for the residential areas of the urban districts in villages and towns comprises a kitchen waste collection assembly 1, a mechanical crushing assembly 2, a soaking impurity removal assembly 3, a microwave heating inactivation assembly 4, a floating oil collection assembly 5 and a solid-liquid separation assembly 6 which are sequentially connected, wherein the solid-liquid separation assembly 6 is respectively connected with a grinding and crushing assembly 7 and an A/O treatment assembly 9, the grinding and crushing assembly 7 is connected with a low-temperature carbonization assembly 8, and the A/O treatment assembly 9 is connected with an activated carbon filter assembly 10.

Wherein the mechanical crushing assembly 2 comprises a crusher.

Specifically, the soaking and impurity removing assembly 3 comprises a soaking pool and a scum fishing assembly. The solid-liquid separation assembly 6 comprises a filter press.

Working principle and working process of the invention

Referring to fig. 1, the kitchen waste collected by the kitchen waste collection assembly 1 is sent to a crusher and crushed by the crusher (mechanical crushing assembly 2), large garbage (such as bones, shells, rhizome wastes and the like) is crushed into particles with the size of 5-8mm, and garbage smaller than the size is not crushed. The crushed garbage is conveyed into a soaking pool to be soaked in water (the soaking impurity removing component 3 comprises the soaking pool and a scum fishing component), organic garbage slowly sinks to the bottom of the pool after absorbing moisture, garbage of plastic bags and fast food boxes can float on the water surface, and the garbage of the plastic bags and fast food boxes floating on the water surface is removed by the scum fishing component. Then, the kitchen waste is heated by adopting an integral uniform heating mode of microwaves of the microwave heating inactivation component 4, fat in the waste is heated, a large amount of grease is discharged and floats on the water surface, and meanwhile, living cells such as insects, viruses and the like in the waste can be killed and inactivated together by microwave heating, so that toxicity is reduced; and collecting the floating oil on the water surface of the soaking pool by using a floating oil collecting component 5, deacidifying and deodorizing after collecting, and refining into the biodiesel. And (3) extruding and dehydrating the deoiled garbage through a filter press (a solid-liquid separation assembly 6) to obtain solid garbage with the water content of 55-60%. Wherein, the dehydrated solid garbage enters a grinding and crushing component 7 and is crushed into particles with the size of 0.5-0.8 mm; conveying the ground and crushed garbage into a low-temperature carbonization component 8, and carbonizing at a temperature range of 250-280 ℃; the carbonized particles are used for greening and fertilizing the vegetation in the residential area. Delivering kitchen sewage obtained by extrusion and dehydration of a filter press (a solid-liquid separation component 6) into an A/O treatment component 9 to degrade organic pollutants in the sewage; and then the activated carbon filtering component 10 is used for further filtering and disinfecting organic matters, phosphorus, nitrogen and other nutritive substances which are difficult to degrade in the anaerobic treatment, and the sewage after the treatment reaches the standard is discharged into a town sewage pipe network.

The invention has the advantages and beneficial effects that:

The kitchen waste is heated by adopting the microwave heating inactivation component 4, the integral uniform heating mode of the microwave is adopted to heat the kitchen waste, a large amount of grease is discharged and floats on the water surface after fat in the waste is heated, then the floating oil on the water surface of the soaking pool is collected by the floating oil collection component, deacidification and deodorization are carried out after collection, and then the kitchen waste is refined into the biodiesel, the oil recovery and reutilization rate is high, resources are saved, living cells such as insects, viruses and the like in the waste can be killed and inactivated together, the toxicity is reduced, and secondary pollution is avoided. The solid garbage after dehydration enters a grinding and crushing component 7 for crushing; feeding the ground garbage into a low-temperature carbonization component 8 for carbonization; the carbonized particles are used for greening and fertilizing the vegetation in the residential area. According to the invention, the kitchen sewage obtained by extrusion dehydration is degraded by organic pollutants by adopting an A/O treatment component 9; and then the activated carbon filtering component 10 is used for further filtering and disinfecting organic matters, phosphorus, nitrogen and other nutritive substances which are difficult to degrade in the anaerobic treatment, and the sewage after the treatment reaches the standard is discharged into a town sewage pipe network.

The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a villages and towns city residential district kitchen garbage centralized processing apparatus, its characterized in that, includes consecutive kitchen garbage collection subassembly, mechanical crushing subassembly, soaks edulcoration subassembly, microwave heating deactivation subassembly, oil slick collection subassembly, solid-liquid separation subassembly, and solid-liquid separation subassembly links to each other with grinding and crushing subassembly and AO subassembly respectively, and grinding and crushing subassembly links to each other with low temperature carbomorphism subassembly, and AO subassembly links to each other with active carbon filter assembly.

2. The device of claim 1, wherein the mechanical crushing assembly comprises a crusher.

3. The device for centralized treatment of kitchen waste in residential areas of villages, towns and cities as claimed in claim 1, wherein said soaking and impurity removing assembly comprises a soaking pool and a scum fishing assembly.

4. The device for centralized treatment of kitchen waste in urban and rural communities according to claim 1, characterized in that the solid-liquid separation assembly comprises a filter press.