CN207577109U - A kind of restaurant garbage treating system - Google Patents

Abstract

The utility model discloses a kitchen waste treatment system, which comprises a collection hopper, a sorter, a crusher, a screw press, a degradation box, an odor processor and an oil-water separator. The collection hopper is provided with a movable discharge door and a filter Mesh hole, the input end of the sorter is connected with the discharge door, and the output end extends obliquely upwards to the feed port of the crusher; the feed port of the screw press and the discharge port of the crusher are connected to the first screw conveyor, and the screw The second screw conveyor is connected between the discharge port of the press and the feed port of the degradation box. The oil-water separator is connected to the filter mesh and the water receiving tray of the screw press through pipes, and the air inlet of the odor processor is connected to the degradation box. The air outlets are connected through exhaust pipes. The utility model can realize the treatment goals of harmless, reduction, and resourceful treatment of kitchen waste, and the reduction rate is high. After 24 hours of treatment, the reduction rate reaches more than 85%, and the kitchen waste is produced through microbial degradation. Degradants can be 100% resource utilization.

Description

A food waste treatment system

technical field

The utility model relates to the technical field of garbage treatment equipment, in particular to a kitchen garbage treatment system.

Background technique

Kitchen waste is a major source of household waste and is the main cause of stinking waste and attracting vectors such as flies. Household kitchen waste is collected and transported separately from other waste, and kitchen waste can be recycled and reused to increase its treatment value and make the best use of it. Recycling and reuse of kitchen waste can reduce the amount of garbage incinerated, thereby reducing the amount of incineration ash and reducing the load on incineration plants and landfills. In recent years, various difficulties have been encountered in the follow-up treatment of kitchen waste classification and recycling. Mosquitoes breed, so a more time-effective approach is needed to address the increasing amount of kitchen waste with a simple and quick method to avoid environmental damage caused by kitchen waste. In addition, among the garbage generated, most of the garbage from restaurants, domestic garbage and vegetable markets are organic matter, which can be roughly divided into protein, starch, fat and cellulose, which are all natural. Organic matter, these beneficial substances should be recycled.

Utility model content

In order to overcome the technical defects of the existing technology, the utility model provides a kitchen waste treatment system, which can centrally process the kitchen waste generated in daily life, and realize the harmless, reduction and resource utilization of the kitchen waste.

The technical solution that the utility model adopts is:

A food waste treatment system, including a collection hopper, a sorter, a crusher, a screw press, a degradation box, an odor processor and an oil-water separator, wherein: the collection hopper is provided with a movable discharge door and The filter mesh, the input end of the sorter is connected with the discharge door of the collecting hopper, the output end of the sorter extends upwards to the top inlet of the crusher, and the feed of the screw press There is a first screw conveyor connected between the outlet of the crusher and the discharge port of the crusher, a second screw conveyor is connected between the discharge port of the screw press and the feed port of the degradation box, and the oil-water separator passes through the The pipeline is connected with the filter mesh of the collecting hopper and the water receiving tray of the screw press, and the air inlet of the odor processor is connected with the air outlet of the degradation box through an exhaust pipe.

Preferably, the collecting hopper includes a collecting frame and a collecting bottom plate affixed to the collecting frame, the collecting bottom plate is arranged in a slope type, and the discharge door of the collecting hopper is located at the bottom of the collecting bottom plate end, the filter mesh is set close to the discharge door of the collecting hopper.

Preferably, the collecting bottom plate is composed of two filter plates and a supporting main board, and the filter mesh holes are distributed on the two filter plates, and the filter plate is connected to the collecting frame through a hinge and is connected with handle, the two filter plates are spliced together and on the same plane as the supporting main board.

Preferably, the sorting machine adopts a belt conveyor.

Preferably, the screw press includes a press frame, a water receiving tray, a dehydration cylinder and a screw agitator partially pierced in the dehydration cylinder, and one end of the dehydration cylinder is provided with a feed port of the screw press, The other end is provided with a discharge port. The water receiving tray is located under the dehydration cylinder to receive the liquid squeezed out by the screw. The discharge port is also combined with an adjustment mechanism for adjusting the size of the discharge port.

Preferably, the screw agitator includes a power device arranged outside the press frame, a screw shaft driven to rotate by the power device, and a screw blade fixed on the screw shaft. The diameter of the screw shaft is from the feed inlet to the outlet. The feed opening becomes larger gradually, the outer diameters of the helical blades are the same and the pitch between two adjacent helical blades gradually decreases from the feed inlet to the discharge outlet.

Preferably, the screw agitator includes a power device arranged outside the press frame, a screw shaft driven to rotate by the power device, and a screw blade, and the screw blade includes a first The blade and the second blade fixed on the discharge rear part of the screw shaft, the second blade is a disconnected double-headed helical blade, and a pin agitator is arranged symmetrically up and down at the disconnection of the second blade.

Preferably, the degradation tank includes a degradation tank for accommodating garbage, a stirring device for stirring garbage, a heat source for heating the degradation tank, and a ventilation system for introducing air into the degradation tank. The air outlet is connected and arranged in the degradation tank.

Preferably, the odor processor includes an odor collection pipeline, a deodorization purification tower and an exhaust pipeline, the odor collection pipeline communicates with the air outlet of the degradation box, and the exhaust pipeline is connected with the outside atmosphere, so The deodorizing purification tower includes biological deodorizing liquid, deodorizing liquid spraying device and activated carbon adsorption layer.

Preferably, the oil-water separator is also provided with a waste gas discharge port, and the odor collection pipe is also connected with the waste gas discharge port.

The beneficial effects of the utility model:

The utility model kitchen waste treatment system is easy to operate, the process is relatively simple, the equipment is highly mechanized and automated, and easy to manage;

There is no need to adjust the salt, oil, and pH value of the food waste. The strains have strong adaptability, fast growth and reproduction, and can achieve the treatment goals of harmless, reduction, and resourceful food waste treatment, and the food waste can be degraded. The temperature of the equipment can be kept above 60°C, which can effectively kill pathogenic bacteria and parasites;

Efficient reduction rate, after 24 hours of treatment, the reduction rate can reach more than 85%; no malodorous gas emissions, kitchen waste treatment equipment is equipped with corresponding biological cycle deodorization device, gas emission standards meet the relevant national standards; kitchen waste oil It can be provided to manufacturers who professionally refine biodiesel to realize resource reuse;

The degradation products produced by the microbial degradation of food waste can be 100% resource utilization: the content of organic matter in the food waste degradation products is high, reaching more than 80%, the content of nitrogen, phosphorus and potassium nutrients is about 5%, and the content of heavy metals is low , safe and non-toxic, and can be used as an important raw material for organic fertilizer production.

Description of drawings

Fig. 1 is a three-dimensional view of the kitchen waste treatment system of the present invention.

Fig. 2 is a top view of the kitchen waste treatment system of the utility model.

Fig. 3 is a left view of the kitchen waste treatment system of the present invention.

Fig. 4 is a structural schematic diagram of the aggregate floor of the utility model.

Fig. 5 is a structural schematic diagram of the sorting machine of the present invention.

Fig. 6 is a structural schematic diagram of the utility model crusher.

Fig. 7 is a structural schematic diagram of the utility model screw press.

Fig. 8 is a structural schematic diagram of one embodiment of the helical agitator of the present invention.

Fig. 9 is a schematic structural view of the second embodiment of the spiral agitator of the present invention.

Fig. 10 is a structural schematic diagram of the degradation box of the utility model.

Explanation of reference signs:

10. Collecting hopper; 11. Discharge door; 12. Filter mesh; 20. Sorting machine; 21. Hoarding; 30. Crusher; 40. Screw press; 41. Feed inlet; 42. Adjusting mechanism; 43, press frame; 44, power unit; 45, screw shaft; 46, screw blade; 461, first blade; 462, second blade; 463, pin agitator; 50, degradation box; 51, degradation tank; 52 , stirring device; 53, ventilation system; 501, first chamber; 502, second chamber; 60, odor treatment machine; 70, oil-water separator; 71, separation tank; 72, oil collection tank; 73, air flotation Device; 74, temperature-controlled steam pipe; 75, rotary oil scraper; 76, filter residue basket; 81, first screw conveyor; 82, second screw conveyor; 90, unloading platform; 91, working platform.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figures 1-10, this embodiment provides a food waste treatment system, including a collection hopper 10, a sorter 20, a crusher 30, a screw press 40, a degradation box 50, an odor processor 60, an oil and water Separator 70 , first screw conveyor 81 and second screw conveyor 82 .

In this embodiment, the collection hopper 10 includes a collection frame and a collection bottom plate affixed to the collection frame, there is a space between the collection frame and the collection bottom plate, and the collection bottom plate It is arranged in a slope type, and a movable discharge door 11 is arranged at the bottom of the collecting bottom plate. The collecting bottom plate is composed of two filter plates and a supporting main plate, the two filtering plates are spliced together and are on the same plane as the supporting main plate, and the two filtering plates are close to the outlet of the collecting hopper 10. The material door 11 is provided, and each filter plate is distributed with some filter mesh holes 12 for separating oil and water, and the filter plate is connected with the collecting material frame through a hinge and is connected with a handle thereon. In practical applications, a discharge platform 90 can be built on one side of the collection hopper 10, and the garbage collection vehicle can be moved along the discharge platform 90 to the discharge platform 90 on one side of the collection hopper 10, and then to the collection hopper 10 to dump the food waste to be treated, most of the oil and water are separated in the collecting hopper 10, and the oil and water enter the oil-water separator 70 for oil-water separation.

In this embodiment, the sorter 20 adopts a belt conveyor, the input end of which is connected to the discharge door 11 of the collecting hopper 10, and the input side of the sorter 20 is combined with a fence to prevent the garbage from walking in reverse. Plate 21, working platforms 91 are arranged around the collecting hopper 10 and the sorting machine 20. After the food waste is separated from most of the oil and water in the collecting hopper 10, the food waste is manually pushed into the sorting machine 20, and the non-degradable waste (such as branches, large bones, fruit cores, shellfish) and prohibited waste The garbage (such as plastic bags, metal, glass bottles, etc.) is sorted out, and the sorted garbage enters the follow-up process. The sorting process can improve the degradation efficiency of microorganisms.

The food waste collected and transported contains large-volume waste such as coconuts and large bones. These large-volume food wastes take a long time to decompose, which will have a certain impact on the overall degradation effect, and large-scale food waste is entangled together. , will increase the stress of the stirring system in the degradation tank 50 and reduce its service life. Therefore, front-end pretreatment is required before the degradation of food waste: crushing, pressing and dehydration, the output end of the sorter 20 extends upwards to the top inlet of the crusher 30, and the inlet of the screw press 40 A first screw conveyor 81 is connected between the discharge port 41 and the discharge port of the crusher 30 , and a second screw conveyor 82 is connected between the discharge port of the screw press 40 and the feed port of the degradation box 50 .

In this embodiment, the screw press 40 includes a press frame 43, a water receiving tray, a dewatering cylinder and a screw agitator partly installed in the dewatering cylinder, and one end of the dehydrating cylinder is provided with the screw press. The feed port 41 of 40 has a discharge port at the other end. The water receiving tray is located under the dehydration cylinder to accept the liquid squeezed out by the screw. The discharge port is also combined with an adjustment device for adjusting the size of the discharge port. agency42. The screw press 40 of this embodiment is used to dehydrate the food waste until the water content is 40% to 60%. device 70.

As one of the preferred embodiments of the screw agitator of the screw press 40: the screw agitator includes a power unit 44 arranged on the outside of the press frame 43, a screw shaft 45 driven by the power unit 44 and a screw shaft 45 fixed on the screw shaft 45. The screw blade 46 on the top, the diameter of the screw shaft 45 gradually increases from the feed port 41 to the discharge port, the outer diameter of the screw blade 46 is the same and the pitch between two adjacent screw blades 46 is from the feed port 41 When the outlet is gradually reduced, the extrusion space is gradually reduced, the extrusion pressure is increased, and the dehydration effect is enhanced.

The second preferred embodiment of the screw agitator as the screw press 40: the screw agitator includes a power unit 44 arranged outside the press frame 43, a screw shaft 45 driven to rotate by the power unit 44, and a helical blade 46. The screw blade 46 includes a first blade 461 fixed on the feed front part of the screw shaft 45 and a second blade 462 fixed on the discharge rear part of the screw shaft 45, and the second blade 462 is a disconnected type The double-headed helical blade, the disconnected double-ended helical blade is composed of a helix 1 and a helix 2, the helix 1 and the helix 2 are arranged in opposite directions, and pins are symmetrically arranged up and down at the disconnection of the second blade 462 The agitator 463 forms a small space between every four vertically symmetrical pin agitator 463 and each second blade 462, so that the rubbish can be squeezed and dehydrated better when the rubbish passes through.

As one of the preferred embodiments of the adjustment mechanism 42 of the screw press 40: the adjustment mechanism 42 includes a pressure ring sleeved on the screw shaft 45 and is arranged on the rear side of the pressure ring away from the screw blade 46 and connected with the pressure ring The diameter of the pressure ring is not less than the diameter of the dehydration cylinder, that is, the pressure ring can be driven by the adjustment cylinder to move the screw shaft 45 back and forth, and when the pressure ring is close to the dehydration cylinder, the end opening of the dehydration cylinder can be sealed , so as to adjust the size of the discharge port of the screw press 40 in this embodiment, and then adjust the discharge concentration.

After the food waste is crushed, squeezed and dehydrated, it is automatically transported to the degradation box 50 by the second screw conveyor 82. When treating the garbage for the first time, it is necessary to add an appropriate amount of high-temperature aerobic microbial bacterial agent to the degradation box 50, and there is no need to add it again later. and replacement, it is only necessary to reserve a certain amount of degradation products in the degradation box 50.

In this embodiment, the degradation tank 50 includes a degradation tank 51 for accommodating garbage, a stirring device 52 for stirring the garbage, a heat source for heating the degradation tank 51, and a heat source for passing through the degradation tank 51. A ventilation system 53 for entering air, and an air outlet is provided in the degradation tank 51 to communicate with the outside. Specifically: the degradation tank 51 includes a shell and a spacer, the spacer is arranged inside the shell, and the spacer divides the inner cavity of the shell into a first chamber 501 above the spacer And the second chamber 502 located under the partition, the first chamber 501 is used to accommodate food waste, the second chamber is used to place the heat source, and the heat source is provided by an external The fluid heat source controlled by the thermostat keeps the food waste in the degradation tank 51 at a preset suitable temperature, such as 60° C., to ensure the degradation efficiency of microorganisms. The ventilation system 53 includes a fan and an air guide pipe inserted in the first chamber 501, the air guide pipe is used to introduce air into the first chamber 501, and the stirring device 52 also includes a The agitating shaft in the first chamber 501 and a plurality of agitating blades arranged on the agitating shaft, one end of the agitating shaft is in transmission connection with an external drive motor, and starting the drive motor can make the degradation tank 51 The stirring blade inside rotates around the shaft to produce a stirring effect, and then the food waste in the degradation tank 51 is fully in contact with the air blown in by the ventilation system 53, so that the food waste can be rapidly degraded by microorganisms under the condition of sufficient oxygen . After the food waste has been processed for 24 hours, it can be discharged. When discharging, first open the door of the discharge port, put the storage bag in place, and reverse the stirring shaft. At this time, the garbage will pass through the reverse belt of the stirring shaft. It falls into the stored storage bag, and the degraded product is discharged by the automatic discharge system, which is easy to operate.

In the present embodiment, the odor processing machine 60 includes an odor collection pipeline, a deodorization purification tower and an exhaust pipeline, and the odor collection pipeline communicates with the air outlet of the degradation box 50 through an exhaust pipe. The exhaust pipe is connected with the outside atmosphere, and the deodorizing purification tower includes a biological deodorizing liquid, a deodorizing liquid spraying device and an activated carbon adsorption layer. In this embodiment, the odor in the degradation tank 51 is blown to the odor treatment machine 60 through the ventilation system 53 for deodorization treatment, and finally discharged up to the standard. Further, a heat exchanger is combined at the position where the exhaust pipe is connected to the degradation box 50, through which the heat taken away by the fan can be recovered and re-transmitted to the degradation box 50, realizing energy recovery. Recycling.

The sewage in the whole treatment process is separated from oil and water by the oil-water separator 70, and the waste oil is collected first, and finally sold to qualified units (such as companies specializing in biodiesel production), and the sewage can be discharged after being treated by the sewage treatment device. Or discharged into municipal sewage pipes.

In this embodiment, the front end of the discharge port of the crusher 30 is provided with a filter screen and a liquid collection port located below the filter screen, and the oil-water separator 70 passes through the pipeline and the filter screen hole 12 of the collecting hopper 10, crushes the The liquid collecting port of the machine 30 is connected with the water receiving pan of the screw press 40, preferably arranged below the collecting hopper 10, further, the oil-water separator 70 is also provided with a waste gas discharge port, and the odor collecting pipe It also communicates with the exhaust gas discharge port. As a preferred mode of the oil-water separator 70: the oil-water separator 70 is provided with an oil sump 72, a liquid inlet, a liquid outlet, and a separation tank 71 communicated with the liquid inlet and the liquid outlet. The tank 71 is provided with an air flotation device 73, a first temperature-controlled steam pipe 74, and a rotary oil scraper 75 controlled by a timer, and one side of the oil collection tank 72 and the rotary oil scraper 75 is provided inside There is a second temperature-controlled steam pipe, through the air flotation device 73, bubbles are generated in the liquid in the separation tank 71, and oil is absorbed on the surface of the bubbles to float on the surface of the liquid during the rising process of the bubbles, and the first temperature-controlled steam pipe 74 makes The oil in the liquid in the separation tank 71 is in a liquid state and can be scraped away by the rotary oil scraper 75. The second temperature-controlled steam pipe ensures that the grease in the oil collection tank 72 will not solidify and is convenient for external collection. The oil scraper 75 scrapes the grease floating on the liquid surface in the separation tank 71 into the oil sump 72 . A filter residue basket 76 is also provided at the liquid inlet to remove impurities.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The principle of the utility model, under the premise of not departing from the inventive spirit and scope of the present invention, the utility model also has various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed for protection, and the utility model requires The scope of protection is defined by the appended claims and their equivalents.

Claims (10)

1. a kind of restaurant garbage treating system, which is characterized in that including aggregate bin, sorter, crusher, pressafiner, drop Case, Odor control machine and oil water separator are solved, wherein：The aggregate bin is equipped with movable discharge door and filter mesh, described The input terminal of sorter is mutually accepted with the discharge door of aggregate bin, and the output terminal of the sorter, which tilts upward, extends to crusher Top feeding mouth, to being connected to the first screw conveyor, institute between the feed inlet of the pressafiner and the discharge port of crusher It states between the discharge port of pressafiner and the feeding port of degradation case to being connected to the second screw conveyor, the oil water separator point It is not connected by pipeline with the filter mesh of aggregate bin and the drip tray of pressafiner, the air inlet of the Odor control machine It is connected with the air outlet for case of degrading by exhaust pipe.

2. restaurant garbage treating system according to claim 1, which is characterized in that the aggregate bin include gather materials rack and With the bottom plate that gathers materials for the rack Joint that gathers materials, the bottom plate that gathers materials is set in ramp type, and the discharge door of the aggregate bin is located at collection Expect the bottom end of bottom plate, the filter mesh is set close to the discharge door of aggregate bin.

3. restaurant garbage treating system according to claim 2, which is characterized in that the bottom plate that gathers materials is by two filter plates And support mainboard composition, the filter mesh are distributed on two filter plates, the filter plate passes through hinge and rack phase of gathering materials It connects and is connected with handle on it, described two filter plates are mutually stitched together and with the support mainboard in same plane On.

4. restaurant garbage treating system according to claim 1, which is characterized in that the sorter uses Belt Conveying Machine.

5. restaurant garbage treating system according to claim 1, which is characterized in that the pressafiner includes squeezer Frame, drip tray, dehydration tube and part are threaded through the spiral agitator in dehydration tube, and one end of the dehydration tube is equipped with the spiral The feed inlet of squeezer, the other end are equipped with discharge port, what the lower section that the drip tray is located at dehydration tube was gone out with accepting screw press Liquid, the discharge outlet also incorporate the regulating mechanism for adjusting discharge port size.

6. restaurant garbage treating system according to claim 5, which is characterized in that the spiral agitator includes being arranged on The power plant for squeezing Shelf External, the helical axis rotated by power plant driving and the helical-blade being packed on helical axis Piece, the diameter of the helical axis become larger from feed inlet to discharge port, and the helical blade outer diameter is identical and adjacent two spiral Screw pitch between blade is gradually reduced from feed inlet to discharge port.

7. restaurant garbage treating system according to claim 5, which is characterized in that the spiral agitator includes being arranged on The power plant for squeezing Shelf External, the helical axis and helical blade rotated by power plant driving, the helical blade packet The first blade being packed on the charging forepart of helical axis and the second blade being packed on the discharging rear portion of helical axis are included, it is described Second blade be disconnection type twin-feed spiral blade, and the second blade gap respectively it is symmetrical above and below be provided with pin stirring Device.

8. restaurant garbage treating system according to claim 1, which is characterized in that the degradation case includes accommodating rubbish The degradation groove of rubbish, for stir rubbish agitating device, for heated to degradation groove heat source, for into the degradation groove lead to Enter the ventilating system of air, the air outlet connection is arranged in degradation groove.

9. restaurant garbage treating system according to claim 1, which is characterized in that the Odor control machine is received including foul smell Collect pipeline, deodorization purifying column and discharge duct, the foul smell collection conduit is connected with the air outlet for case of degrading, the exhaust Pipeline is connected with ambient atmosphere, and the deodorization purifying column includes biological deodorizing liquid, deodorant liquid spray equipment and activated carbon adsorption layer.

10. restaurant garbage treating system according to claim 9, which is characterized in that be additionally provided on the oil water separator Waste gas outlet, the foul smell collection conduit are also connected with the Waste gas outlet.