Heating and heat preservation structure of garden waste fermentation box

Abstract

The utility model provides a heating and heat preservation structure of a garden waste fermentation box. The heating and heat preservation structure of the garden waste fermentation box comprises a box body, the bottom cross section of the box body is of a U-shaped structure, the box body comprises an inner container and a shell, a heating cavity is formed between the inner container and the shell, and a heat-conducting medium is injected into the heating cavity; the plurality of heating pipes are arranged in the heating cavity, and the circulating pump can enable the heat-conducting medium to circularly flow; and the temperature control unit comprises a temperature sensor and a PLC, and the temperature sensor is used for collecting temperature signals of the interior of the box body and the heating cavity. The heating cavity is formed in the interlayer in the heating and heat preservation structure of the garden waste fermentation box, the heating cavity is filled with the heat conduction oil, the heating pipe arranged in the heating cavity serves as a heat source for heating, and the heat conduction oil conducts heat to enable the temperatures of all the parts of the inner container to be equal. And the conduction oil circularly flows through the circulating channel and the circulating pump, so that the equalization of the internal temperature is greatly promoted, and favorable conditions are provided for accurate temperature control.

Description

Technical Field

[0001] The utility model relates to the technical field of fermentation boxes, in particular to a heating and heat preservation structure of a garden waste fermentation box. Background Art

[0002] Fermenting garden organic solid waste and making it into organic carbon soil to be put back into nature to achieve waste recycling is an emerging technology. In this process, fermentation is the most critical link. At present, the main fermentation methods are pile fermentation and closed fermentation. Among them, pile fermentation has low cost, but it is easy to cause pollution, and the fermentation efficiency is low and the fermentation cycle is long. Closed fermentation can overcome the shortcomings of pile fermentation. It mainly uses the fermentation box as the fermentation environment, uses heating and stirring to accelerate the fermentation process, and the closed environment will not cause pollution.

[0003] When the outside temperature is low, such as winter in the north, the low outside temperature will cause the heat dissipation efficiency of the fermentation box wall to increase, and the temperature of the fermented material in contact with the box wall will decrease, thereby affecting the fermentation efficiency. In the prior art, thermal insulation polystyrene resins are often used for insulation, but the effect is not very ideal. Therefore, it is necessary to provide a new heating and insulation structure for a garden waste fermentation box to solve the above technical problems. Utility Model Content

[0004] The technical problem solved by the utility model is to provide a heating and heat-insulating structure for a garden waste fermentation box with low energy consumption and uniform temperature.

[0005] In order to solve the above technical problems, the utility model provides a garden waste fermentation box heating and heat preservation structure comprising:

[0006] The box body has a U-shaped bottom cross-section, and includes an inner tank and an outer shell, a heating chamber is formed between the inner tank and the outer shell, and a heat-conducting medium is filled in the heating chamber; a heating device includes a plurality of heating tubes arranged in the heating chamber, and a circulating pump capable of circulating the heat-conducting medium; a temperature control unit includes a temperature sensor and a PLC controller, and the temperature sensor is used to collect temperature signals inside the box body and the heating chamber.

[0007] Preferably, circulation channels are arranged on both sides of the shell, and both ends of the circulation channels are respectively connected to the bottom and the middle of the heating chamber and are arranged in contact with the outer surface of the shell, and the circulation pump is arranged on the circulation channels.

[0008] Preferably, the top of the box body is a rectangular opening structure and may be provided with a detachable / openable / closable cover.

[0009] Preferably, a plurality of reinforcing ribs are provided between the inner container and the outer shell.

[0010] Preferably, the heating tubes are evenly distributed from the middle to the bottom of the heating chamber, and their arrangement direction is parallel to the axial direction of the box body.

[0011] Preferably, the outer surface of the shell is covered with a heat-insulating layer, and the heat-insulating layer is heat-insulating cotton.

[0012] Preferably, it further comprises a frame for fixing the box, the frame comprises a plurality of legs, and the legs are provided with pressure sensors for collecting the weight signal of the box.

[0013] Compared with the related art, the heating and heat preservation structure of the garden waste fermentation box provided by the utility model has the following beneficial effects:

[0014] The utility model provides a heating and heat preservation structure for a garden waste fermentation box, wherein an internal interlayer forms a heating chamber, which is filled with heat transfer oil. A heating pipe arranged in the heating chamber is used as a heat source for heating, and the heat transfer oil transfers heat to make the temperature of each part of the inner tank equal, thereby reducing the heat dissipation of the fermentation box when the external temperature is low. In order to further prevent overheating of a local area, the heat transfer oil is circulated through a circulation channel and a circulation pump, which greatly promotes the equalization of the internal temperature and provides favorable conditions for precise temperature control. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A structural schematic diagram of a preferred embodiment of the heating and heat preservation structure of the garden waste fermentation box provided by the utility model;

[0016] Figure 2 It is a side structural schematic diagram of the box body part of the utility model.

[0017] Numbers in the figure:

[0018] 1. box body, 11. liner, 12. shell, 13. heating chamber, 14. reinforcing ribs, 15. insulation layer;

[0019] 2. Heating tube;

[0020] 3. Circulation pump;

[0021] 4. Circulation channel;

[0022] 5. Frame, 51. Pressure sensor. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0024] Please refer to Figure 1 and Figure 2 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of the heating and heat preservation structure of the garden waste fermentation box provided by the utility model; Figure 2 It is a schematic diagram of the side cross-sectional structure of the utility model. The heating and heat preservation structure of the garden waste fermentation box includes: a box body 1, a heating device and a temperature control unit, wherein the box body 1 is used to contain solid waste fermentation raw materials, and its bottom cross-section is a U-shaped structure, that is, an arch, which is convenient for the setting of the heating device and can improve the thermal efficiency. The box body 1 is a hollow structure, including an inner liner 11 and an outer shell 12, and a heating chamber 13 is formed between the inner liner 11 and the outer shell 12. The heating chamber 13 is filled with a heat-conducting medium. The heat-conducting medium generally uses heat-conducting oil with aromatic hydrocarbons as the main component. In order to fix the structure, a plurality of reinforcing ribs 14 are arranged between the inner liner 11 and the outer shell 12. The outer surface of the outer shell 12 is covered with a heat-insulating layer 15, and the heat-insulating layer 15 is a heat-insulating cotton.

[0025] The heating device includes a plurality of heating tubes 2 arranged in the heating chamber 13, and a circulation pump 3 capable of circulating the heat transfer medium. Specifically, a circulation channel 4 is arranged on both sides of the outer shell 12, and the two ends of the circulation channel 4 are respectively connected to the bottom and the middle of the heating chamber 13 and are arranged in contact with the outer surface of the outer shell 12. The circulation pump 3 is arranged on the circulation channel 4. In this way, the heat transfer medium in the bottom heating chamber 13 is pumped into the middle and upper heating chamber 13 by the circulation pump 3, so that the temperature of the heat transfer medium inside the heating chamber 13 is kept consistent at all times. The above-mentioned setting method of the circulation channel 4 can be set without taking up too much space, and then the outer insulation layer 15 is uniformly covered to prevent the circulation channel 4 from being exposed outside the insulation layer 15 and causing heat dissipation.

[0026] The temperature control unit includes a temperature sensor and a PLC controller. The temperature sensor is used to collect temperature signals inside the box 1 and the heating chamber 13.

[0027] Furthermore, the top of the box body 1 is a rectangular opening structure, and may be provided with a detachable / openable cover. In order to facilitate feeding, a feeding channel may be provided on the cover body to communicate with the silo.

[0028] Furthermore, the heating tubes 2 are evenly distributed from the middle to the bottom of the heating chamber 13 , and the arrangement direction thereof is parallel to the axial direction of the box body 1 .

[0029] Furthermore, it also includes a frame 5 for fixing the box 1, the frame 5 includes a plurality of legs, and the legs are provided with pressure sensors 51 for collecting weight signals of the box 1.

[0030] The working principle of the heating and heat preservation structure of the garden waste fermentation box provided by the utility model is as follows:

[0031] When in use, after adding materials, the heating tube 2 is used to heat and raise the temperature, and then the circulation pump 3 is turned on to make the heat transfer medium flow. The temperature sensor feeds back the temperature of the inside of the box 1 and the heat transfer medium in real time. When the preset temperature is reached, the PLC controller controls the heating tube 2 to cut off the power and stop heating, but the circulation pump 3 is started and stopped at intervals. When the temperature is lower than the preset temperature, the heating tube 2 is turned on to automatically perform temperature-controlled fermentation.

[0032] Compared with the related art, the heating and heat preservation structure of the garden waste fermentation box provided by the utility model has the following beneficial effects:

[0033] The utility model provides a heating and heat-insulating structure for a garden waste fermentation box. An internal interlayer forms a heating chamber 13, which is filled with heat-conducting oil. A heating pipe 2 arranged in the heating chamber 13 is used as a heat source for heating. The heat-conducting oil transfers heat to make the temperatures of various parts of an inner tank 11 equal. In order to further prevent overheating of a local area, the heat-conducting oil is circulated through a circulation channel 4 and a circulation pump 3, which greatly promotes the equalization of the internal temperature and provides favorable conditions for precise temperature control.

[0034] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. However, on the premise that technical personnel in this field understand the principle of the above-mentioned utility model, they can clearly know the details of its power mechanism, power supply system and control system.

[0035] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A garden waste fermentation box heating and insulation structure, characterized in that: include: The box body has a U-shaped bottom cross-section, comprising an inner liner and an outer shell, a heating chamber is formed between the inner liner and the outer shell, and a heat-conducting medium is filled in the heating chamber; A heating device, comprising a plurality of heating tubes arranged in the heating chamber, and a circulation pump capable of circulating the heat-conducting medium; A temperature control unit, comprising a temperature sensor and a PLC controller, wherein the temperature sensor is used to collect temperature signals inside the box and the heating chamber; Circulation channels are arranged on both sides of the shell, and the two ends of the circulation channels are respectively connected with the bottom and the middle of the heating chamber and are arranged in close contact with the outer surface of the shell, and the circulation pump is arranged on the circulation channels.

2. The garden waste fermentation box heating and heat preservation structure according to claim 1, characterized in that: The top of the box body is a rectangular opening structure and may be provided with a detachable / openable cover.

3. The garden waste fermentation box heating and heat preservation structure according to claim 1, characterized in that: A plurality of reinforcing ribs are arranged between the inner container and the outer shell.

4. The garden waste fermentation box heating and heat preservation structure according to claim 1, characterized in that: The heating tubes are evenly distributed from the middle to the bottom of the heating chamber, and the arrangement direction thereof is parallel to the axial direction of the box body.

5. The garden waste fermentation box heating and heat preservation structure according to claim 1, characterized in that: The outer surface of the shell is covered with a heat-insulating layer, and the heat-insulating layer is heat-insulating cotton.

6. The garden waste fermentation box heating and heat preservation structure according to claim 1, characterized in that: It also includes a frame for fixing the box, the frame includes a plurality of legs, and the legs are provided with pressure sensors for collecting box weight signals.

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