CN217748633U

CN217748633U - Kitchen garbage anaerobism natural pond sediment innocent recycle's processing system

Info

Publication number: CN217748633U
Application number: CN202222162320.XU
Authority: CN
Inventors: 曹秀兰; 阮鹿凡; 唐红玲; 席亚炳
Original assignee: Wuxi Masun Environmental Energy Technology Co ltd
Current assignee: Jiangsu Masheng Biotechnology Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2022-11-08
Anticipated expiration: 2032-08-17

Abstract

The utility model discloses a processing system of kitchen garbage anaerobism natural pond sediment innocent recycle relates to the technical field that kitchen garbage anaerobism natural pond sediment was handled. The utility model discloses a harmless recycling treatment system for anaerobic biogas residues of kitchen waste, which comprises a material storage system, a material conveying system, a deep dehydration system, a tail gas treatment system and a condensate water storage system; the material storage system comprises a material receiving screw conveyor and a storage bin, the deep dehydration system comprises a deep dehydration device and a product output screw conveyor, and the deep dehydration device is provided with a deodorization port and a condensation water port and is respectively connected with a tail gas treatment system and a condensation water storage system. The utility model provides a processing system can effectively avoid the processing difficulty that the moisture content is too high to cause to and the pollution that causes in the transportation reveals the wait condition, and can carry out resource utilization, the generating benefit with most harmful substance along with tail gas exhaust after the heating dehydration.

Description

Kitchen garbage anaerobism natural pond sediment innocent recycle's processing system

Technical Field

The utility model belongs to the technical field of kitchen garbage anaerobism natural pond sediment is handled, especially, relate to a processing system and technology of kitchen garbage anaerobism natural pond sediment innocent recycle.

Background

In the treatment of kitchen waste, anaerobic fermentation has become a normalized treatment mode, biogas residues after anaerobic fermentation are indispensable, and the biogas residues after anaerobic fermentation usually have high water content (about 98%), so a centrifugal dehydrator is usually added to dewater and reduce the water content of the biogas residues, but the biogas residues with the water content of 80% are still high, difficult to treat and difficult to recycle, so that the industry is actively searching for a treatment mode capable of recycling the biogas residues harmlessly.

In patent CN201911161674.9, aerobic composting is carried out on anaerobic biogas residues to produce agricultural organic fertilizer, but the method for producing the agricultural organic fertilizer by using the nano iron-based hydroxidase is complex in process operation, large in field required by composting, difficult in odor control and capable of influencing the environment.

In patent CN201120175431.3, the water content of the green plant substrate prepared from biogas residues needs to be reduced to 0, the operation is difficult in process, and the consumption cost is high. The patent mentions that the carbon is firstly sintered at high temperature and then cooled and mixed with other materials, so that the materials are more, the process is more complex, the technical content is higher, and the investment cost is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a processing system of kitchen garbage anaerobism natural pond sediment innocent recycle can effectively avoid the processing difficulty that the moisture content is too high to cause to and the pollution that causes in the transportation reveals the wait condition, and can carry out resource utilization, the generating benefit with the material along with tail gas exhaust after the heating dehydration with most harmful substance.

In order to solve the technical problem, the utility model provides a harmless recycling treatment system for anaerobic biogas residues of kitchen waste, which comprises a material storage system, a material conveying system, a deep dehydration system, a tail gas treatment system and a condensed water storage system;

the material storage system comprises a material receiving screw conveyor and a storage bin, and anaerobic fermentation biogas residues treated by the centrifugal dehydrator are conveyed into the storage bin through the material receiving screw conveyor;

the material conveying system comprises an emergency screw conveyor and a feeding screw conveyor, feed inlets of the emergency screw conveyor and the feeding screw conveyor are both connected with a discharge outlet of the storage bin, and a discharge outlet of the emergency screw conveyor is connected with a sludge vehicle;

the deep dehydration system comprises a deep dehydration device and a product output screw conveyor, wherein a feed inlet of the deep dehydration device is connected with a discharge outlet of the feed screw conveyor, a feed inlet of the product output screw conveyor is connected with a discharge outlet of the deep dehydration device, and a discharge outlet of the product output screw conveyor is connected with a product conveying vehicle;

the deep dehydration device is provided with a deodorization port, and the deodorization port is connected with the tail gas treatment system through a pipeline;

and the deep dehydration device is provided with a condensation water port, and the condensation water port is connected with the condensation water storage system through a pipeline.

Further, the material receiving screw conveyor and the storage bin are both set to be closed containers.

Furthermore, the connection between the material receiving screw conveyor and the storage bin is set to be in sealing connection.

Further, the tail gas treatment system comprises a cooling tower, a cooling water pump, a heat exchanger and an induced draft fan, a feed inlet of the heat exchanger is connected with the deodorization port through a pipeline, and the cooling tower is connected with the heat exchanger through the cooling water pump;

be provided with exhaust gas port and condensation waste water mouth on the heat exchanger, the exhaust gas port passes through the draught fan and is connected with deodorization system, condensation waste water mouth passes through the pipeline pump sending to sewage treatment system.

Furthermore, the condensed water storage system comprises a condensed water tank and a water pump for condensed water, the condensed water tank is connected with the condensed water port through a pipeline, and a water outlet of the condensed water tank is connected with a water consumption point through the water pump for condensed water.

The utility model discloses following beneficial effect has been gained:

the arrangement of the storage bin of the utility model ensures that the anaerobic fermentation biogas residues treated by the centrifugal dehydrator are stored, ensures the free adjustment of the subsequent operation time, and prevents odor from escaping due to the sealing connection between the material receiving screw conveyor and the storage bin; the material conveying system adopts spiral conveying (an emergency spiral conveyor and a feeding spiral conveyor), so that the blocking condition caused by pipeline conveying can be avoided, frequent maintenance and cleaning work can be avoided, the power of the spiral conveyor is low, and the investment of the operation cost can be greatly reduced; the deep dehydration device can effectively utilize the own resources (steam, obtained by utilizing anaerobic methane) of a plant area, and reduces the operation cost; the tail gas treatment system can effectively reduce the temperature of waste gas and harmful substances and does not influence a subsequent deodorization system; the arrangement of the condensed water storage system can avoid the waste of energy.

The utility model is used for processing the problem of overhigh water content of the biogas residues after anaerobic fermentation, the water content in the biogas residues is changed from 80 percent to about 40 percent, the removed condensed water can be recycled, and the energy waste is reduced; in the heating treatment process, most pollutants can be taken away by the discharged tail gas, so that the harmless treatment of the biogas residues is realized, and the dried biogas residues can be used for crop fertilizers and the like, so that the resource utilization is realized.

Drawings

The accompanying drawings, which 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 unduly. In the drawings:

FIG. 1 is a system schematic diagram of the anaerobic kitchen waste biogas residue treatment system of the utility model;

FIG. 2 is a process flow diagram of the anaerobic biogas residue treatment system for kitchen waste of the utility model;

FIG. 3 is a schematic structural diagram of the anaerobic biogas residue treatment system for kitchen waste.

The attached drawings are as follows: 1. a material storage system; 2. a material delivery system; 3. a deep dehydration system; 4. a tail gas treatment system; 5. a condensed water storage system.

Detailed Description

As some terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.

The present application will be described in further detail below with reference to the accompanying drawings, but the present application is not limited thereto.

The specific embodiment is as follows:

as shown in fig. 1-3, the utility model discloses a processing system of kitchen garbage anaerobism marsh slag harmlessness resourceization of embodiment, including material storage system 1, material conveying system 2, degree of depth dewatering system 3, tail gas processing system 4 and comdenstion water storage system 5.

As shown in fig. 2-3, the material storage system 1 is composed of a receiving screw conveyor and a storage bin, the water content of the biogas residue after anaerobic fermentation is reduced to about 80% by a centrifugal dehydrator, and then the biogas residue discharged from the centrifugal dehydrator is conveyed to the storage bin for storage by the receiving screw conveyor. Connect material screw conveyer and storage silo to be airtight container, and the connected mode between the two is also sealed, can effectively prevent the loss of stink and sewage.

As shown in fig. 2-3, the material conveying system 2 is composed of an emergency screw conveyor and a feeding screw conveyor, wherein the feed inlets of the emergency screw conveyor and the feeding screw conveyor are both connected with the discharge outlet of the storage bin, and the discharge outlet of the emergency screw conveyor is connected with the sludge truck. Under the normal operation condition, the feeding screw conveyor is started, and the biogas residues are conveyed to a subsequent deep dehydration device from the storage bin through the feeding screw conveyor for dehydration; under abnormal working conditions (when the deep dehydration device fails), the biogas residues are directly conveyed to a sludge truck by an emergency screw conveyor through a storage bin to be pulled away for disposal. Emergent screw conveyer and feeding screw conveyer all dispose strict sealing measure, can effectively prevent the effluvium of stink and sewage.

As shown in fig. 2-3, the deep dewatering system 3 is composed of a deep dewatering device and a product output screw conveyor, wherein a feed inlet of the deep dewatering device is connected with a discharge outlet of the feed screw conveyor, a feed inlet of the product output screw conveyor is connected with a discharge outlet of the deep dewatering device, and a discharge outlet of the product output screw conveyor is connected with a product transport vehicle. The biogas residues are conveyed to the deep dehydration device by the feeding screw conveyor, a heat source in the deep dehydration device is saturated steam from a factory area, materials in the deep dehydration device are heated and dehydrated to 40% of water content through the saturated steam and are output by the product output screw conveyor, and output products or packaged products are put in order and sold uniformly or are directly pulled to sell by a product conveying vehicle every day.

Be provided with the deodorization mouth on the degree of depth dewatering device, the deodorization mouth passes through the pipeline and is connected with tail gas treatment system 4 for unified access tail gas treatment system 4 of hot waste gas is handled. The deep dehydration device is provided with a condensate water port, and the condensate water port is connected with the condensate water storage system 5 through a pipeline and used for enabling condensate water generated by saturated steam to enter the subsequent condensate water storage system 5 through the pipeline.

As shown in fig. 2-3, the tail gas treatment system 4 is composed of a cooling tower, a cooling water pump, a heat exchanger and a draught fan. The feeding hole of the heat exchanger is connected with the deodorization port through a pipeline, and the cooling tower is connected with the heat exchanger through a cooling water pump; be provided with exhaust gas mouth and condensation waste water mouth on the heat exchanger, the exhaust gas mouth passes through the draught fan and is connected with deodorization system, and condensation waste water mouth passes through the pipeline pump sending to sewage treatment system.

Degree of depth dewatering device can produce hot waste gas in the heating process, and hot waste gas gets into the heat exchanger via deodorization mouth connecting tube and cools down, and cooling tower and cooling water pump provide the cold source for the heat exchanger, and the exit temperature of the waste gas that comes out through the deodorization mouth is at about 80 ℃, will discharge waste gas through the waste gas mouth by the draught fan to the deodorization system after the temperature will be about 40 ℃ by the heat exchanger. The heat exchanger can produce the condensation waste water, discharges the condensation waste water from condensation waste water mouth, connects to the workshop pit through the pipeline, by the pump sending to sewage treatment system and carry out unified processing.

As shown in fig. 2 to 3, the condensate storage system 5 is composed of a condensate tank and a condensate water pump, the condensate tank is connected to the condensate water port through a pipe, and the water outlet of the condensate tank is connected to the water point through the condensate water pump. The condensed water produced by the deep dehydration device is sent into the condensed water tank by a pipeline through the condensed water port, and the condensed water tank is stored and then is pumped to a front-end boiler system by the condensed water using water pump when in use, so that the condensed water can be used for using other hot water points in a workshop, and the waste of energy can be avoided.

As shown in fig. 1-3, the process flow of the harmless and recycling-free treatment system for anaerobic biogas residue of kitchen waste provided by the utility model is as follows:

(1) Reducing the water content of the biogas residues after anaerobic fermentation to about 80% by a centrifugal dehydrator, and then entering a storage bin for storage by a material receiving screw conveyor;

(2) Starting the feeding screw conveyor, conveying the materials in the storage bin to the deep dehydration device through the feeding screw conveyor for dehydration, and conveying the materials in the storage bin to the sludge vehicle through the emergency screw conveyor to be pulled away when the deep dehydration device breaks down;

(3) Hot waste gas generated by the deep dehydration device enters a heat exchanger through a deodorization port connecting pipeline to be cooled, a cooling tower and a cooling water pump provide a cold source for the heat exchanger, the waste gas generated in the heat exchanger is discharged through a waste gas port and then is sent to a deodorization system by an induced draft fan, condensed waste water generated in the heat exchanger is discharged through a condensed waste water port, is connected to a workshop pit through a pipeline and then is sent to a sewage treatment system by a pump to be uniformly treated;

(4) Heating and dehydrating the materials in the deep dehydration device to the water content of 40% through saturated steam, outputting the materials through a product output screw conveyor, and stacking and selling the output products or packaging the output products or directly pulling the output products to sell the products by a product transport vehicle every day;

(5) Condensed water generated in the deep dehydration device is sent into a condensed water tank through a condensed water port by a pipeline, and the condensed water tank is stored and then is pumped to a water using point by a condensed water using pump when in use.

It is worth noting that the deep dehydration device provided by the utility model is also a GZ dehydration device.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. A treatment system for harmless recycling of anaerobic biogas residues of kitchen waste comprises a material storage system (1) and a material conveying system (2), and is characterized by further comprising a deep dehydration system (3), a tail gas treatment system (4) and a condensed water storage system (5);

the material storage system (1) comprises a material receiving screw conveyor and a storage bin, and anaerobic fermentation biogas residues treated by the centrifugal dehydrator are conveyed into the storage bin through the material receiving screw conveyor;

the material conveying system (2) comprises an emergency screw conveyor and a feeding screw conveyor, feed inlets of the emergency screw conveyor and the feeding screw conveyor are both connected with a discharge outlet of the storage bin, and a discharge outlet of the emergency screw conveyor is connected with a sludge vehicle;

the deep dehydration system (3) comprises a deep dehydration device and a product output screw conveyor, wherein a feed inlet of the deep dehydration device is connected with a discharge outlet of the feeding screw conveyor, a feed inlet of the product output screw conveyor is connected with a discharge outlet of the deep dehydration device, and a discharge outlet of the product output screw conveyor is connected with a product conveying vehicle;

the deep dehydration device is provided with a deodorization port, and the deodorization port is connected with the tail gas treatment system (4) through a pipeline;

the deep dehydration device is provided with a condensation water port, and the condensation water port is connected with the condensation water storage system (5) through a pipeline.

2. The harmless recycling treatment system for the anaerobic biogas residues of the kitchen waste as recited in claim 1, wherein the material receiving screw conveyor and the storage bin are both provided with closed containers.

3. The system for treating anaerobic biogas residue from kitchen waste for harmless recycling according to claim 1, wherein the connection between the material receiving screw conveyor and the storage bin is set as a sealed connection.

4. The treatment system for the harmless recycling of the anaerobic kitchen waste biogas residues as recited in claim 1, wherein the tail gas treatment system (4) comprises a cooling tower, a cooling water pump, a heat exchanger and an induced draft fan, a feed inlet of the heat exchanger is connected with the deodorization port through a pipeline, and the cooling tower is connected with the heat exchanger through the cooling water pump;

5. The kitchen waste anaerobic biogas residue harmless resource treatment system according to claim 1, characterized in that the condensed water storage system (5) comprises a condensed water tank and a condensed water pump, the condensed water tank is connected with the condensed water port through a pipeline, and a water outlet of the condensed water tank is connected with a water consumption point through the condensed water pump.