Constant-temperature dry anaerobic fermentation system for kitchen waste

Abstract

The utility model relates to the technical field of kitchen waste anaerobic fermentation, in particular to a constant-temperature kitchen waste dry-type anaerobic fermentation system which comprises a tank body, a box body is fixedly connected to the outer wall of the tank body, a vertical cylinder is fixedly connected to the top of the tank body, and a feeding pipe is fixedly connected to the inner wall of one side of the top of the tank body; the inner wall of the top of the feeding pipe is in threaded connection with a cover plate, an inclined cylinder is fixedly connected to the lower portion of the inner wall of the tank body, a shell is fixedly connected to one side of the bottom of the tank body, a discharging valve is fixedly connected to the inner wall of the bottom of the tank body, a scraping structure is arranged on one side of a vertical cylinder, and a knocking structure is arranged on one side of the shell. Through cooperation of the tank body, the box body, the vertical cylinder and the scraping structure, a first motor drives a threaded rod to rotate, the threaded rod drives a square rod to move downwards, the square rod drives a plate body to move downwards, and the plate body drives a scraping plate to move downwards, so that a worker conveniently scrapes the attached kitchen waste, and the kitchen waste is conveniently collected.

Description

Technical Field

[0001] The utility model relates to the technical field of anaerobic fermentation of kitchen waste, in particular to a constant-temperature dry anaerobic fermentation system for kitchen waste. Background Technique

[0002] Anaerobic fermentation technology has been widely applied in engineering practice. When anaerobic fermenting kitchen waste, the kitchen waste is put into a tank body, the kitchen waste is kept at a certain temperature, and N2 is introduced into the tank body so that the kitchen waste is fermented in an anaerobic environment.

[0003] There is a prior biological enhanced dry anaerobic fermentation system for kitchen waste (application number: 202223368702.4), which has the advantages of ensuring constant-temperature fermentation, preventing local overheating, and reducing air entry into the anaerobic fermentation environment. However, there are still problems. When anaerobic fermenting kitchen waste, the kitchen waste is put into the tank body, the kitchen waste is kept at a certain temperature, and N2 is introduced into the tank body so that the kitchen waste is fermented in an anaerobic environment. After the fermentation, the generated gas is discharged for use. After the fermentation is completed, the kitchen waste needs to be discharged from the tank body. At this time, some kitchen waste will adhere to the inner wall of the tank body, which is not convenient for the staff to scrape off the adhered kitchen waste, and thus not convenient for collecting the kitchen waste. There is an inclined cylinder at the bottom of the inner wall of the tank body. The inclined cylinder can gather the kitchen waste towards the discharge valve position, but it is not convenient to vibrate the inclined cylinder, and it is not convenient to increase the discharge speed of the kitchen waste. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problems in the prior art that it is not convenient for the staff to scrape off the adhered kitchen waste, thus not convenient for collecting the kitchen waste, not convenient to vibrate the inclined cylinder, and not convenient to increase the discharge speed of the kitchen waste, and to propose a constant-temperature dry anaerobic fermentation system for kitchen waste.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] Design a constant-temperature dry anaerobic fermentation system for kitchen waste, including a tank body. The outer wall of the tank body is fixedly connected with a box body. The top of the tank body is fixedly connected with a vertical cylinder. One side inner wall of the top of the tank body is fixedly connected with a feed pipe. The top inner wall of the feed pipe is threadedly connected with a cover plate. The lower part of the inner wall of the tank body is fixedly connected with an inclined cylinder. One side of the bottom of the tank body is fixedly connected with a housing. The bottom inner wall of the tank body is fixedly connected with a discharge valve. There is a scraping structure on one side of the vertical cylinder, and a knocking structure on one side of the housing.

[0007] Preferably, the scraping structure includes a threaded rod, the upper outer wall of the threaded rod is rotationally connected to the inner wall of the top of the vertical cylinder through a bearing, the top of the threaded rod is fixedly connected to the output end of the first motor, the bottom of the first motor is fixedly connected to the top of the vertical cylinder, the lower outer wall of the threaded rod is in clearance fit with a square rod, the lower outer wall of the square rod is in clearance fit with the inner wall of the top of the tank body, the bottom of the square rod is fixedly connected with a plate body, the bottom of the plate body is fixedly connected with a scraper, and the outer wall of the scraper is attached to the inner wall of the tank body.

[0008] Preferably, valves are fixedly connected to the upper parts on both the left and right sides of the tank body.

[0009] Preferably, a heating wire is installed on the inner wall of the box body, and a temperature sensor is fixedly connected to the inner wall of the lower part on one side of the box body.

[0010] Preferably, the inner wall of the lower part on the other side of the box body is fixedly connected to the water outlet pipe of the delivery pump, and a vertical plate is fixedly connected to the bottom on one side of the box body.

[0011] Preferably, the knocking structure includes a reciprocating lead screw, the outer wall of one side of the reciprocating lead screw is rotationally connected to the inner wall of the lower part on one side of the housing through a bearing, one end of the reciprocating lead screw is fixedly connected to the output end of the second motor, one end of the second motor is fixedly connected to the lower part on one side of the housing, the outer wall of one side of the reciprocating lead screw is slidably clamped with a vertical block, the lower outer wall of the vertical block is in clearance fit with the groove at the bottom of the inner wall of the housing, the top of the vertical block is attached to an inclined block, the top of the inclined block is fixedly connected with a curved rod, the outer wall of the lower part of the curved rod is in clearance fit with the inner wall of the bottom on one side of the tank body, the top of the curved rod is attached to the upper part on one side of the inclined cylinder, the outer wall of the upper part of the curved rod is in clearance fit with a spring, the upper and lower ends of the spring are respectively fixedly connected to the outer wall of the upper part of the curved rod and the inner wall of the bottom on one side of the tank body, a slider is fixedly connected to the lower part on one side of the curved rod, and the outer wall of one side of the slider is in clearance fit with the groove at one end of the inner wall of the housing.

[0012] For a constant-temperature dry anaerobic fermentation system for kitchen waste proposed by the present utility model, the beneficial effects are as follows: Through the cooperation of the tank body, the box body, the vertical cylinder and the scraping structure, when the device is in use, the first motor can drive the threaded rod to rotate, the threaded rod drives the square rod to move downward, the square rod drives the plate body to move downward, and the plate body drives the scraper to move downward, thereby facilitating the staff to scrape off the attached kitchen waste and facilitating the collection of kitchen waste.

[0013] Through the cooperation of the tank body, the inclined cylinder, the housing and the knocking structure, when the device is in use, the second motor can drive the reciprocating lead screw to rotate, the reciprocating lead screw drives the vertical block to move left and right, the vertical block drives the inclined block to move upward, the inclined block drives the curved rod to move upward, the spring drives the curved rod to move downward, and the curved rod moves up and down to knock the inclined cylinder, facilitating the vibration of the inclined cylinder and facilitating the improvement of the discharge speed of kitchen waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is a schematic structural diagram of the box body, tank body and vertical plate of the present utility model;

[0016] Figure 3 is a schematic structural diagram of the tank body, valve and vertical cylinder of the present utility model;

[0017] Figure 4 is a schematic structural diagram of the vertical block, reciprocating lead screw and motor 2 of the present utility model;

[0018] Figure 5 is a schematic structural diagram of the threaded rod, motor 1 and square rod of the present utility model;

[0019] Figure 6 is a schematic structural diagram of the inclined cylinder, curved rod and spring of the present utility model.

[0020] In the figure: 1. Box body, 2. Scraping structure, 2a1. Threaded rod, 2a2. Motor 1, 2a3. Square rod, 2a4. Plate body, 2a5. Scraper, 2b1. Brush, 3. Knocking structure, 301. Curved rod, 302. Spring, 303. Slide block, 304. Inclined block, 305. Vertical block, 306. Reciprocating lead screw, 307. Motor 2, 4. Tank body, 5. Delivery pump, 6. Heating wire, 7. Temperature sensor, 8. Feed pipe, 9. Valve, 10. Cover plate, 11. Vertical cylinder, 12. Vertical plate, 13. Inclined cylinder, 14. Discharge valve, 15. Outer shell. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The present utility model will be further described below with reference to the accompanying drawings:

[0022] Embodiment 1:

[0023] Refer to the appendix Figures 1-6: In this embodiment, a constant-temperature dry anaerobic fermentation system for kitchen waste includes a tank body 4. A box body 1 is fixedly connected to the outer wall of the tank body 4. A drain valve is installed below the front end face of the box body 1. A vertical cylinder 11 is fixedly connected to the top of the tank body 4. A feed pipe 8 is fixedly connected to the inner wall on one side of the top of the tank body 4. A cover plate 10 is threadedly connected to the inner wall of the top of the feed pipe 8. An inclined cylinder 13 is fixedly connected to the inner wall below the tank body 4. A housing 15 is fixedly connected to one side of the bottom of the tank body 4. A discharge valve 14 is fixedly connected to the inner wall of the bottom of the tank body 4. Valves 9 are fixedly connected to the upper parts on both the left and right sides of the tank body 4. A heating wire 6 is installed inside the box body 1. A temperature sensor 7 is fixedly connected to the inner wall below one side of the box body 1. The model of the temperature sensor 7 is determined according to the actual usage situation. The water outlet pipe of a delivery pump 5 is fixedly connected to the inner wall below the other side of the box body 1. The model of the delivery pump 5 is determined according to the actual usage situation. A vertical plate 12 is fixedly connected to one side of the bottom of the box body 1. A scraping structure 2 is arranged on one side of the vertical cylinder 11. A knocking structure 3 is arranged on one side of the housing 15. The scraping structure 2 facilitates the staff to scrape off the attached kitchen waste, which is convenient for collecting the kitchen waste. The knocking structure 3 facilitates vibrating the inclined cylinder 13, which is convenient for increasing the discharging speed of the kitchen waste.

[0024] The scraping structure 2 includes a threaded rod 2a1. The upper part of the outer wall of the threaded rod 2a1 is rotationally connected to the inner wall of the top of the vertical cylinder 11 through a bearing. The bearing enables the threaded rod 2a1 to rotate on the inner wall of the top of the vertical cylinder 11 when stressed. The top of the threaded rod 2a1 is fixedly connected to the output end of a first motor 2a2. The model of the first motor 2a2 is determined according to the actual usage situation. The bottom of the first motor 2a2 is fixedly connected to the top of the vertical cylinder 11. The lower part of the outer wall of the threaded rod 2a1 is in clearance fit with a square rod 2a3. The lower part of the outer wall of the square rod 2a3 is in clearance fit with the inner wall of the top of the tank body 4. The inner wall of the top of the tank body 4 plays a role in limiting the up-and-down movement of the square rod 2a3 when stressed. The bottom of the square rod 2a3 is fixedly connected to a plate body 2a4. A scraping plate 2a5 is fixedly connected to the bottom of the plate body 2a4. The outer wall of the scraping plate 2a5 is in contact with the inner wall of the tank body 4, which facilitates the staff to scrape off the attached kitchen waste, which is convenient for collecting the kitchen waste.

[0025] The knocking structure 3 includes a reciprocating lead screw 306. One side of the outer wall of the reciprocating lead screw 306 is rotatably connected to the inner wall of the lower side of one side of the outer shell 15 through a bearing. One end of the reciprocating lead screw 306 is fixedly connected to the output end of the second motor 307. The model of the second motor 307 is determined according to the actual use situation. One end of the second motor 307 is fixedly connected to the lower side of one side of the outer shell 15. A vertical block 305 is slidably clamped on one side of the outer wall of the reciprocating lead screw 306. The lower part of the outer wall of the vertical block 305 is in clearance fit with the bottom groove of the inner wall of the outer shell 15. The bottom groove of the inner wall of the outer shell 15 plays a limiting role when the vertical block 305 is forced to move left and right. An inclined block 304 is attached to the top of the vertical block 305. A curved rod 301 is fixedly connected to the top of the inclined block 304. The lower part of the outer wall of the curved rod 301 is in clearance fit with the inner wall of one side of the bottom of the tank body 4. The top of the curved rod 301 is in contact with the upper side of one side of the inclined cylinder 13. A spring 302 is in clearance fit with the upper part of the outer wall of the curved rod 301. The spring 302 gives a downward force to the curved rod 301. The upper and lower ends of the spring 302 are respectively fixedly connected to the upper part of the outer wall of the curved rod 301 and the inner wall of one side of the bottom of the tank body 4. A slider 303 is fixedly connected to the lower part of one side of the curved rod 301. One side of the outer wall of the slider 303 is in clearance fit with the groove at one end of the inner wall of the outer shell 15, which is convenient for vibrating the inclined cylinder 13 and improving the discharging speed of the kitchen waste.

[0026] Working principle:

[0027] When carrying out the fermentation work:

[0028] Put the kitchen waste into the interior of the tank body 4 from the feed pipe 8, screw the cover plate 10 into the interior of the feed pipe 8, the transfer pump 5 starts to work, the transfer pump 5 pumps water into the interior of the box body 1, the heating wire 6 starts to work, the heating wire 6 heats the water, the temperature sensor 7 detects the temperature of the water. After the water temperature reaches the appropriate temperature, the heating wire 6 stops working. After the water temperature drops, the heating wire 6 heats the water again, so as to keep the kitchen waste at a constant temperature. Inject N2 into the interior of the tank body 4 through the valve 9 on one side, so that the kitchen waste is in an anaerobic state. The kitchen waste ferments in the tank body 4, and the generated gas is discharged from the valve 9 on the other side. When discharging the kitchen waste, open the discharge valve 14, and at the same time, the second motor 307 starts to work. The second motor 307 drives the reciprocating lead screw 306 to rotate. The reciprocating lead screw 306 drives the vertical block 305 to move left and right. The vertical block 305 drives the inclined block 304 to move upward. The inclined block 304 drives the curved rod 301 to move upward. The spring 302 drives the curved rod 301 to move downward. The curved rod 301 moves up and down to knock the inclined cylinder 13, so as to discharge the kitchen waste. The first motor 2a2 starts to work. The first motor 2a2 drives the threaded rod 2a1 to rotate. The threaded rod 2a1 drives the square rod 2a3 to move downward. The square rod 2a3 drives the plate body 2a4 to move downward. The plate body 2a4 drives the scraper 2a5 to move downward, which is convenient for the staff to scrape off the attached kitchen waste and facilitate the collection of the kitchen waste.

[0029] Example 2:

[0030] Refer to the appendix Figures 1-6 : In this embodiment, a constant-temperature dry anaerobic fermentation system for kitchen waste, wherein the scraping structure 2 may further include a brush 2b1. The inner wall of the brush 2b1 is fixedly connected to the outer wall of the plate body 2a4, and the outer wall of the brush 2b1 is in contact with the upper inner wall of the tank body 4.

[0031] Working principle:

[0032] Inject clean water into the interior of the tank body 4. When the plate body 2a4 moves up and down under force, the plate body 2a4 drives the brush 2b1 to move up and down, and the brush 2b1 cleans the inner wall of the tank body 4, facilitating the cleaning work of the inner wall of the tank body 4 by the staff.

[0033] Although the present utility model has been illustrated and described by reference to the preferred embodiments, those of ordinary skill in the art should understand that various changes in form and details may be made within the scope of the claims.

Claims

1. A constant temperature food waste dry anaerobic fermentation system, comprising a tank (4), characterized in that: The outer wall of the tank body (4) is fixedly connected to the box body (1), the top of the tank body (4) is fixedly connected to the vertical cylinder (11), the inner wall on one side of the top of the tank body (4) is fixedly connected to the feed pipe (8), the top inner wall of the feed pipe (8) is threadedly connected to the cover plate (10), the lower part of the inner wall of the tank body (4) is fixedly connected to the inclined cylinder (13), the bottom side of the tank body (4) is fixedly connected to the outer shell (15), the bottom inner wall of the tank body (4) is fixedly connected to the discharge valve (14), one side of the vertical cylinder (11) is provided with a scraping structure (2), and one side of the outer shell (15) is provided with a knocking structure (3).

2. A constant temperature dry anaerobic fermentation system for kitchen waste according to claim 1, characterized in that: The scraping structure (2) comprises a threaded rod (2a1), the upper part of the outer wall of the threaded rod (2a1) is rotatably connected to the top inner wall of the vertical cylinder (11) via a bearing, the top of the threaded rod (2a1) is fixedly connected to the output end of the motor 1 (2a2), the bottom of the motor 1 (2a2) is fixedly connected to the top of the vertical cylinder (11), a square rod (2a3) is gap-fitted below the outer wall of the threaded rod (2a1), the lower part of the outer wall of the square rod (2a3) is gap-fitted with the top inner wall of the tank body (4), the bottom of the square rod (2a3) is fixedly connected to a plate body (2a4), the bottom of the plate body (2a4) is fixedly connected to a scraper (2a5), and the outer wall of the scraper (2a5) is in contact with the inner wall of the tank body (4).

3. A constant temperature dry anaerobic fermentation system for kitchen waste according to claim 1, characterized in that: Valves (9) are fixedly connected to the upper parts of both left and right sides of the tank body (4).

4. A constant temperature dry anaerobic fermentation system for kitchen waste according to claim 1, characterized in that: A heating wire (6) is installed on the inner wall of the box body (1), and a temperature sensor (7) is fixedly connected to the lower inner wall of one side of the box body (1).

5. The constant temperature dry anaerobic fermentation system for kitchen waste according to claim 1, characterized in that: The lower inner wall of the other side of the box body (1) is fixedly connected to the water outlet pipe of the delivery pump (5), and a vertical plate (12) is fixedly connected to one side of the bottom of the box body (1).

6. The constant temperature dry anaerobic fermentation system for kitchen waste according to claim 1, characterized in that: The knocking structure (3) comprises a reciprocating screw rod (306), one side of the outer wall of the reciprocating screw rod (306) is rotatably connected to the inner wall at the bottom of one side of the housing (15) through a bearing, one end of the reciprocating screw rod (306) is fixedly connected to the output end of the second motor (307), one end of the second motor (307) is fixedly connected to the bottom of one side of the housing (15), one side of the outer wall of the reciprocating screw rod (306) is slidably connected with a vertical block (305), the bottom of the outer wall of the vertical block (305) is gap-matched with the bottom groove of the inner wall of the housing (15), the top of the vertical block (305) is fitted with an inclined block (304), and the inclined block (304) is fixedly connected to the output end of the second motor (307). 04), a curved rod (301) is fixedly connected to the top of the curved rod (301), the lower part of the outer wall of the curved rod (301) is gap-matched with the inner wall of the bottom side of the tank body (4), the top of the curved rod (301) is in contact with the upper part of one side of the inclined cylinder (13), a spring (302) is gap-matched at the upper part of the outer wall of the curved rod (301), the upper and lower ends of the spring (302) are respectively fixedly connected to the upper part of the outer wall of the curved rod (301) and the bottom side of the inner wall of the tank body (4), a slider (303) is fixedly connected to the lower part of one side of the curved rod (301), and one side of the outer wall of the slider (303) is gap-matched with a groove at one end of the inner wall of the outer shell (15).

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