CN217628356U

CN217628356U - Methane tank with heating and heat-preserving functions

Info

Publication number: CN217628356U
Application number: CN202221561064.5U
Authority: CN
Inventors: 熊贤财
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-10-21
Anticipated expiration: 2032-06-21

Abstract

A methane tank with heating and heat preservation functions comprises a methane tank body; the biogas digester body is provided with a feed inlet, a discharge outlet and a gas outlet, and also comprises an interlayer structure positioned on the periphery of the biogas digester body; the sandwich structure comprises a heat preservation unit; the sandwich structure is also provided with a heating unit which is used for heating the heat preservation unit. The heating unit is used for heating the heat preservation unit arranged outside the methane tank body, so that the methane tank is heated and preserved; the heat preservation unit is positioned outside the methane tank body, does not occupy the fermentation space of the methane tank, and is convenient to maintain. The heat preservation unit is heated and insulated by using the smoke generated by the fire stove, and the heat preservation unit can be heated by the hot smoke, so that the efficiency of the methane tank in winter in cold weather is ensured. Through the heating units arranged adjacently or the heating units arranged in a honeycomb manner, the flue gas flows in the mutually communicated flue gas pipelines, the contact area is increased, the heat preservation units are fully heated, and the gas production of the methane tank in the cold weather is ensured.

Description

Methane tank with heating and heat-preserving functions

Technical Field

The utility model relates to the technical field of methane tanks, in particular to a methane tank with heating and heat preservation functions.

Background

In winter, the methane tank can not generate methane or generate methane with too low pressure due to low temperature. Chinese utility model patent CN206014902U discloses a heatable methane tank, a heating device is arranged in a methane tank body, the heating device comprises a heating cylinder, a water inlet pipe which is communicated with the top of the heating cylinder and passes through the top of the methane tank body in a sealing way, and a water outlet pipe which is communicated with the bottom of the heating cylinder and passes through the bottom of the methane tank in a sealing way, and a rotary heating sheet is arranged on the outer side wall of the heating cylinder; when the temperature is lower in winter, high-temperature liquid such as boiled water and the like is added from the water inlet pipe, and the heat of the high-temperature liquid is transferred into the feed liquid through the heating cylinder so as to ensure the temperature in the methane tank and further ensure the high fermentation degree of the methane tank. However, the heating device capable of heating the methane tank is arranged in the methane tank body, which not only occupies the fermentation space of the methane tank, but also has the problem of inconvenient maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the above problems, and aims to provide a methane tank with heating and heat preservation functions, which heats and preserves heat through the methane tank, and the heating and heat preservation structure is positioned outside the methane tank body, thereby not occupying the fermentation space of the methane tank and being convenient for maintenance.

A methane tank with heating and heat preservation functions comprises a methane tank body; the methane tank body is provided with a feed inlet, a discharge outlet and an air outlet;

the methane tank also comprises an interlayer structure positioned on the periphery of the methane tank body;

the sandwich structure comprises a heat preservation unit; the sandwich structure is also provided with a heating unit, and the heating unit is used for heating the heat preservation unit.

Furthermore, the heat insulation unit is a shell with a heat insulation medium layer arranged inside, and a waterproof layer is wrapped between the heat insulation medium layer and the shell; one side of the heat preservation unit, which is far away from the biogas digester body, is also provided with a heat preservation outer layer.

Further, the heat-preservation medium layer is a water layer.

Furthermore, the waterproof layer is made of glass fiber cloth.

Further, the heat-insulating outer layer is a polyurethane heat-insulating material layer.

Further, the heating unit adopts a fire stove; the fire stove is located the bottom of heat preservation unit, the fire stove disposes the chimney.

Further, the fire range is provided with at least one, and the number of chimneys is the same as the number of fire ranges.

Furthermore, a plurality of heat preservation units are arranged in the sandwich structure, smoke channels communicated with the fire stove are distributed between every two adjacent heat preservation units, and a chimney is connected to the collection position of each smoke channel.

Furthermore, a transverse groove is formed in the middle of the outward side of each heating unit, and the transverse grooves communicate two adjacent smoke channels.

Furthermore, the heat preservation units and the flue gas pipelines form a grid structure, and the heat preservation units are embedded into a pipeline network formed by the flue gas pipelines.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the heating unit is used for heating the heat preservation unit arranged outside the methane tank body, so as to heat and preserve heat of the methane tank; because the heat preservation unit is positioned outside the methane tank body, the fermentation space of the methane tank is not occupied, and the maintenance, the maintenance and the replacement are convenient.

(2) The heat preservation unit is heated and insulated by using the smoke generated by the fire stove, the heat preservation unit can be completely wrapped and heated by the hot smoke, and the efficiency of the methane tank in winter is ensured.

(3) Through the heating units which are adjacently arranged or the heating units which are arranged in a honeycomb shape, smoke with heat flows in the smoke pipelines which are mutually communicated, so that the contact area between the smoke which flows in the smoke pipelines and each heat preservation unit is increased, the heat preservation units are fully heated, and the gas production of the methane tank in the cold weather is ensured.

Drawings

The accompanying drawings 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. In the drawings:

FIG. 1 is an overall sectional view of a methane tank with heating and heat preservation functions according to one embodiment.

FIG. 2 is a side view of a methane tank with heating and heat preservation functions according to one embodiment.

FIG. 3 is a schematic view of the arrangement of the heat-retaining unit of the biogas digester with heating and heat-retaining functions according to the second embodiment.

FIG. 4 is a layout diagram of the heat-preserving unit of the biogas digester with heating and heat-preserving functions in the third embodiment.

In the figure: 1. a biogas digester body; 2. a feed inlet; 3. a discharge port; 4. an air outlet; 5. a heat preservation unit; 51. a water inlet; 52. a water outlet; 6. a heating unit; 7. an outer heat-insulating layer; 8. a chimney; 9. a flue gas channel; 10. a heat preservation unit placing frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The specific embodiment is as follows:

as shown in figure 1, a methane tank with heating and heat preservation functions comprises a methane tank body 1; the biogas digester body 1 is provided with a feeding hole 2, a discharging hole 3 and an air outlet 4, wherein the feeding hole 2 is positioned at the upper part of the side wall of the biogas digester body 1, the free end of the feeding hole 2 inclines upwards, a user fills organic matters such as human and animal excreta, straws, sewage and the like into the biogas digester body 1 through the feeding hole 2, and the feeding hole is sealed after filling. The top of the biogas digester body 1 is provided with a gas outlet 4, and the gas outlet 4 is used for outputting biogas generated by fermentation for a biogas stove and a biogas lamp gas device. The biogas digester body 1 is used for accommodating various organic matters such as human and animal excreta, straws, sewage and the like, and providing space for fermentation to form biogas, and the formed biogas is output through the gas outlet 4. The bottom of the side wall of the biogas digester body 1 is provided with a discharge port 3 for discharging waste materials such as biogas residues and biogas slurry. The feed inlet 2 and the discharge outlet 3 are both arranged below the materials, so that the methane is prevented from overflowing from the feed inlet or the discharge outlet; the aperture of the discharge port 3 is larger than that of the feeding port, so that the cleaning in the future is convenient.

In this embodiment, as shown in fig. 1 and 2, a sandwich structure is further disposed at the periphery of the biogas digester body 1. The sandwich structure comprises a heat preservation unit 5 and a heating unit 6, wherein the heating unit 6 is used for heating the heat preservation unit 5 to realize heating and heat preservation of the methane tank body. The heating unit is used for heating the heat preservation unit arranged outside the methane tank body, so as to heat and preserve heat of the methane tank; the heat preservation unit is positioned outside the methane tank body, so that the fermentation space of the methane tank body is not occupied, the maintenance, the repair and the replacement are convenient, the structure inside the methane tank body cannot be damaged in the maintenance or repair process, and the fermentation process inside the methane tank body does not need to be stopped.

Specifically, the heat preservation unit 5 is a shell with a built-in heat preservation medium layer, the heat preservation medium layer is a water layer, and the shell is made of stainless steel; a waterproof layer is wrapped between the heat-insulating medium layer and the shell; and a heat-insulating outer layer 7 made of polyurethane heat-insulating material is also arranged on one side of the waterproof layer, which is far away from the biogas digester body. The waterproof layer is made of glass fiber cloth, namely the heat preservation unit 5 is a sealing structure which is provided with a hard shell, is covered by glass fiber cloth and is filled with water.

In this embodiment, the heating unit 6 is a fire range; the fire stove is located the bottom of heat preservation unit 5, and the fire stove disposes chimney 8.

In this embodiment, the biogas digester body 1 is made of PSS plastic. Optionally, a methane tank shell is arranged outside the whole methane tank and used for supporting and fixing the methane tank, and the shell is made of PVC plastic steel materials, so that the methane tank shell not only plays a role in supporting the structure of the methane tank, but also can further preserve heat.

In order to facilitate the addition and replacement of the heat-insulating medium layer, namely water, the heat-insulating medium layer is also provided with a water inlet 51 and a water outlet 52, the water inlet 51 is positioned at the top of the side surface of the heat-insulating unit 5, and the water outlet 52 is positioned at the bottom of the side surface of the heat-insulating unit 5.

When the methane tank body 1 is arranged below the ground, the heat preservation unit 5 is arranged around the side wall and the top of the methane tank body 1, or the heat preservation unit 5 is arranged around the periphery of each surface of the methane tank body 1. The outer side of the heat preservation unit 5 is also provided with a heat preservation outer layer 7 to realize heat insulation of the heat preservation unit; a flue gas channel 9 is arranged between the heat preservation unit 5 and the heat preservation outer layer 7, a hole is formed in the top of the flue gas channel 9, the hole is connected with a chimney 8, and the chimney 8 is slightly higher than the ground. A space is reserved beside the methane tank and provided with stairs to enter the underground space, the underground space is used for arranging a fire stove, and the fire stove is arranged at the bottom of the methane tank body 1 and is positioned at the outermost side, so that fire burning operation is facilitated.

When the methane tank body 1 is arranged above the ground, the heat preservation unit 5 is arranged around the side wall and the top of the methane tank body 1. And, still be provided with heat preservation skin 7 in the outside of heat preservation unit 5, realize the heat-insulating heat preservation to the heat preservation unit. A flue gas channel 9 is arranged between the heat preservation unit 5 and the heat preservation outer layer 7, and the top of the flue gas channel 9 is provided with a hole which is connected with a chimney 8. The fire stove is arranged at the bottom of the biogas digester body 1 and is positioned at the outermost side, so that the fire operation is facilitated.

According to the methane tank in the embodiment, the heat preservation unit is heated and preserved with the smoke generated by the fire stove, the heat preservation unit can be completely wrapped and heated by the hot smoke, and the efficiency of the methane tank in winter is ensured.

The second concrete embodiment:

in this embodiment, the biogas digester body 1 is a cuboid structure. A plurality of heat preservation units 5 which are in vertical array arrangement in specification are arranged in the interlayer structure. A smoke channel 9 communicated with the fire stove is arranged between the adjacent heat preservation units 5, as shown in figure 3.

The top ends of the flue gas channels are connected with a chimney after being converged, or the flue gas channels on one side are converged in one chimney, namely 4 chimneys.

In order to ensure the heat preservation effect of the biogas digester body, the four side surfaces of the biogas digester body 1 are respectively provided with a heating unit 6, namely, each side surface is provided with 1 fire stove.

In order to ensure the heating effect of each heating unit, a transverse groove is arranged in the middle of the outward side of each heating unit, and the transverse groove is used for communicating two adjacent flue gas channels 9, namely the flue gas channels 9 are communicated with each other, so that the heat of the flue gas can fully heat the heat-insulating unit, and the gas production of the methane tank in cold weather is ensured.

The third concrete embodiment:

in this embodiment, the heat preservation units are arranged in a polygonal shape, preferably a hexagon, and a plurality of heat preservation units are arranged in a rectangular array. The outer wall of the biogas digester body 1 is provided with a heat preservation unit placing frame 10, as shown in figure 4, when the heat preservation unit is square or rectangular, the lower part, the left side and the right side of the heat preservation unit are respectively provided with a fixed support plate, and the three support plates form a placing frame of a single heat preservation unit. In actual operation, for convenience of operation, the U-shaped plate with the opening facing towards is fixedly connected to the outer wall of the biogas digester body 1 to serve as a placing frame for the heat preservation unit. Each heat preservation unit is provided with the water inlet that is located the lateral surface top and the delivery port that is located the lateral surface bottom alone. The gaps among the heat preservation units form a flue gas channel 9 communicated with the fire stove, the heat preservation units arranged in an array form a grid-type flue gas channel, the contact area between the circulating flue gas in the flue gas channel and each heat preservation unit is increased, and the heating effect on the methane tank body is further ensured.

In this embodiment, in order to prevent that the outer wall of each heat preservation unit from being smoked by the flue gas, the building is built to the space department between each heat preservation unit that adopts resistant firebrick for resistant firebrick after building wraps up each heat preservation unit, and the space that resistant firebrick formed, has become the latticed flue that the flue gas flows, finally communicates to the chimney at top.

In actual operation, the shape of each heat preservation unit can be set to be square, rectangular, circular, rhombic and the like, and the corresponding placing frames are matched with the edge contour of the heat preservation units. When the space at the edge is not enough to arrange a heat preservation unit, the space can be filled with heat preservation cotton or used as a wider smoke channel.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A methane tank with heating and heat preservation functions comprises a methane tank body; the methane tank body is provided with a feeding hole, a discharging hole and a gas outlet, and is characterized in that:

2. The biogas digester with heating and heat-preserving functions as claimed in claim 1, wherein: the heat preservation unit is a shell with a built-in heat preservation medium layer, and a waterproof layer is wrapped between the heat preservation medium layer and the shell; and a heat-insulating outer layer is arranged on one side of the heat-insulating unit, which is far away from the methane tank body.

3. The biogas digester with heating and heat-preserving functions as claimed in claim 2, wherein: the heat preservation medium layer is a water layer.

4. The biogas digester with heating and heat-preserving functions as claimed in claim 3, wherein: the waterproof layer is made of glass fiber cloth.

5. The biogas digester with heating and heat-preserving functions as claimed in claim 4, wherein: the heat preservation outer layer is a polyurethane heat preservation material layer.

6. The biogas digester with heating and heat-preserving functions as claimed in claim 5, wherein: the heating unit adopts a fire stove; the fire stove is located the bottom of heat preservation unit, the fire stove disposes the chimney.

7. The biogas digester with heating and heat-preserving functions as claimed in claim 6, wherein: the fire stove is provided with at least one fire stove.

8. The biogas digester with heating and heat-preserving functions as claimed in claim 7, wherein: the sandwich structure comprises a plurality of heat preservation units, smoke channels communicated with the fire stove are distributed between the adjacent heat preservation units, and a chimney is connected at the collection position of each smoke channel.

9. The biogas digester with heating and heat-preserving functions as claimed in claim 8, wherein: and the middle part of the outward side of each heating unit is provided with a transverse groove which communicates two adjacent flue gas channels.

10. The biogas digester with heating and heat-preserving functions as claimed in claim 7, wherein: the heat preservation units and the flue gas pipelines form a grid structure, and the heat preservation units are embedded into a pipeline network formed by the flue gas pipelines.