CN207933446U - A kind of methane-generating pit Heat preservation system - Google Patents
A kind of methane-generating pit Heat preservation system Download PDFInfo
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- CN207933446U CN207933446U CN201820118466.5U CN201820118466U CN207933446U CN 207933446 U CN207933446 U CN 207933446U CN 201820118466 U CN201820118466 U CN 201820118466U CN 207933446 U CN207933446 U CN 207933446U
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- methane
- generating pit
- exchanger tube
- heat exchanger
- heat
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Abstract
The utility model discloses a kind of methane-generating pit Heat preservation systems, it is related to technical field of energy saving and environmental protection, including methane-generating pit, heat source, heat exchanger tube and agitating device, cover board is installed at the top of the methane-generating pit, it is equipped with insulation film on the side wall of methane-generating pit, the heat exchanger tube is arranged by press-loading device and is distributed in methane-generating pit and in a ring, the water inlet pipe and outlet pipe of heat exchanger tube are connect with heat source, the agitating device is installed on cover board and extends in methane-generating pit, the utility model heats the liquid in methane-generating pit using heat source and heat exchanger tube, the temperature in methane-generating pit is enable to be in a higher level, improve factor of created gase, the heat exchanger tube of annular setting is equipped with agitating device, the uniformity of heating can be improved, so that the liquid at each position can obtain good heating in methane-generating pit.
Description
Technical field
The utility model is related to technical field of energy saving and environmental protection, and in particular to a kind of methane-generating pit Heat preservation system.
Background technology
For biogas as a kind of reproducible clear energy sources, utilization are not tightly ecology rich people's engineerings, but also
It is the project supported by commen people for integrating energy development, Fertilizer construction, environmental protection.But due to China severe cold area winter cold
It is very long, cause the factor of created gase of biogas low, comprehensive using effect is poor.Therefore seek a kind of biogas that suitable China severe cold area uses
Pond, for realizing biogas being widely used with far reaching significance in the Northeast of China.
Biogas is organic substance under the conditions ofs completely cutting off air and keeping certain moisture, temperature, acid-base value etc., by a variety of micro-
Biological decomposition and generate.It is many to influence the factor that biogas generates, such as temperature, concentration, inoculum and pH value etc..In methane-generating pit
Fermentation temperature be influence biogas generate and factor of created gase height key factor.In a certain range, temperature is high, biogas microorganism
Activity is active, and reproductive capacity is strong, and with regard to fast, fermentation is smoothed out the speed of anaerobic digestion and generation methane, fast, the aerogenesis that biogas generates
Rate is also high；Temperature is low, and biogas microbial activities force difference, the factor of created gase of raw material is poor, or even not aerogenesis for a long time.
China Patent Publication No. is that CN 206799605U disclose a kind of methane-generating pit using solar heating and thermal insulating, it
Including methane-generating pit, methane-generating pit bottom is in the right bottom oblong-shaped of left height, it is characterised in that：The top of methane-generating pit is ridge roof,
The middle part of ridge roof is equipped with a biogas pipe, and the angle on the ridge roof top is 130-140 degree, ridge roof it is outer
It is also equipped with metal absorber plate on layer roofing, light penetrating panel, light penetrating panel and metal absorber plate are equipped with above metal absorber plate
Between space be vacuum layer, metal absorber plate is connected by heat transfer unit (HTU) with the biogas slurry in methane-generating pit, heat transfer unit (HTU) laying
On the inner wall of methane-generating pit.Temperature summer can reach 55 DEG C or more in this kind of methane-generating pit, and winter can reach 35 DEG C or more, reach high
Medium temperature constant temperature Rapid Fermentation.But this kind of methane-generating pit receives being affected for weather, heating is not sufficiently stable, and the heating of methane-generating pit
Not enough uniformly, it is higher that closer regional temperature is contacted with heat transfer unit (HTU), and other parts are then relatively low.
Utility model content
It is caused by the prior art to solve the purpose of this utility model is to provide a kind of methane-generating pit Heat preservation system
Drawbacks described above.
A kind of methane-generating pit Heat preservation system, including methane-generating pit, heat source, heat exchanger tube and agitating device, the methane-generating pit
Top cover board is installed, be equipped with insulation film on the side wall of methane-generating pit, the heat exchanger tube passes through press-loading device setting and biogas
It is distributed in pond and in a ring, the water inlet pipe and outlet pipe of heat exchanger tube are connect with heat source, and the agitating device is installed on cover board
And it extends in methane-generating pit.
Preferably, the heat source uses wall-hung boiler.
Preferably, the press-loading device includes pressing plate and bolt, and pressing plate is bolted on the bottom of methane-generating pit and will
Heat exchanger tube crimping positioning.
Preferably, the agitating device includes stirring motor, agitating shaft and stirring blade, and stirring motor is logical with agitating shaft
Shaft coupling connection is crossed, stirring blade is welded in the side of agitating shaft, and stirring blade is located at the inside of heat exchanger tube.
Preferably, it is also equipped with temperature sensor in the methane-generating pit.
The utility model has the advantage of：The liquid in methane-generating pit is heated using heat source and heat exchanger tube so that natural pond
Temperature in gas pond can be in a higher level, improve factor of created gase, and the heat exchanger tube of annular setting is equipped with agitating device, can
To improve the uniformity of heating so that the liquid at each position can obtain good heating in methane-generating pit.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cross-sectional view of press-loading device in the utility model；
Fig. 3 is the vertical view of heat exchanger tube in the utility model.
Wherein：1- methane-generating pits, 2- wall-hung boilers, 3- heat exchanger tubes, 4- cover boards, 5- agitating devices, 51- stirring motors, 52- stirrings
Axis, 53- stirring blades, 6- insulation films, 7- press-loading devices, 71- pressing plates, 72- bolts, 8- temperature sensors.
Specific implementation mode
To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below
In conjunction with specific implementation mode, the utility model is expanded on further.
As shown in Figure 1 to Figure 3, a kind of methane-generating pit Heat preservation system, including methane-generating pit 1, heat source, heat exchanger tube 3 and stir
Device 5 is mixed, the top of the methane-generating pit 1 is equipped with cover board 4, insulation film 6 is equipped on the side wall of methane-generating pit 1, for reducing natural pond
Heat is lost in gas pond 1, plays certain heat insulation effect, and the heat exchanger tube 3 passes through in the setting of press-loading device 7 and methane-generating pit 1
And be distributed in a ring, the water inlet pipe and outlet pipe of heat exchanger tube 3 are connect with heat source, and the agitating device 5 is installed on cover board 4 simultaneously
It extends in methane-generating pit 1.
In the present embodiment, the heat source uses wall-hung boiler 2.
In the present embodiment, the press-loading device 7 includes pressing plate 71 and bolt 72, and pressing plate 71 is fixed on natural pond by bolt 72
Heat exchanger tube 3 is simultaneously crimped positioning by the bottom in gas pond 1.
In the present embodiment, the agitating device 5 includes stirring motor 51, agitating shaft 52 and stirring blade 53, stirring
Motor 51 is connect with agitating shaft 52 by shaft coupling, and stirring blade 53 is welded in the side of agitating shaft 52, and stirring blade 53 is located at
The inside of heat exchanger tube 3.
In addition, being also equipped with temperature sensor 8 in the methane-generating pit 1, temperature sensor 8 can be connected to display or computer
Equal hardware, the temperature conditions in methane-generating pit 1 is checked and understands convenient for people, and when temperature is less than 20 degree, startup wall-hung boiler 2 is real
Apply heat.
The course of work and principle：Wall-hung boiler 2 heats water, and the water after heating is flow to by pipeline in heat exchanger tube 3, to biogas
Liquid in pond 1 is heated, and the cold water after heat exchange, which is back to again in wall-hung boiler 2, to be continued to heat, and realizes cycle.Stirring motor 51
It can start as needed.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, all things considered are all merely illustrative, and are not only
's.All changes that come within the scope of the invention or equivalents of the invention are by the utility model packet
Contain.
Claims (5)
1. a kind of methane-generating pit Heat preservation system, which is characterized in that including methane-generating pit (1), heat source, heat exchanger tube (3) and stirring
Device (5) is equipped with cover board (4) at the top of the methane-generating pit (1), insulation film (6), institute is equipped on the side wall of methane-generating pit (1)
State heat exchanger tube (3) by press-loading device (7) setting with methane-generating pit (1) in and be distributed in a ring, the water inlet pipe of heat exchanger tube (3) with go out
Water pipe is connect with heat source, and the agitating device (5) is installed on cover board (4) and extends in methane-generating pit (1).
2. a kind of methane-generating pit Heat preservation system according to claim 1, it is characterised in that：The heat source uses wall-hung boiler
(2)。
3. a kind of methane-generating pit Heat preservation system according to claim 2, it is characterised in that：Press-loading device (7) packet
Pressing plate (71) and bolt (72) are included, pressing plate (71) is fixed on the bottom of methane-generating pit (1) by bolt (72) and presses heat exchanger tube (3)
Connect positioning.
4. a kind of methane-generating pit Heat preservation system according to claim 3, it is characterised in that：Agitating device (5) packet
Stirring motor (51), agitating shaft (52) and stirring blade (53) are included, stirring motor (51) passes through shaft coupling with agitating shaft (52)
Connection, stirring blade (53) are welded in the side of agitating shaft (52), and stirring blade (53) is located at the inside of heat exchanger tube (3).
5. a kind of methane-generating pit Heat preservation system according to claim 4, it is characterised in that：In the methane-generating pit (1) also
Temperature sensor (8) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820118466.5U CN207933446U (en) | 2018-01-24 | 2018-01-24 | A kind of methane-generating pit Heat preservation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820118466.5U CN207933446U (en) | 2018-01-24 | 2018-01-24 | A kind of methane-generating pit Heat preservation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207933446U true CN207933446U (en) | 2018-10-02 |
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ID=63649482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820118466.5U Active CN207933446U (en) | 2018-01-24 | 2018-01-24 | A kind of methane-generating pit Heat preservation system |
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| Country | Link |
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| CN (1) | CN207933446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112300902A (en) * | 2020-10-30 | 2021-02-02 | 湖南达道新能源开发有限公司 | Methane tank structure heated by geothermal energy |
-
2018
- 2018-01-24 CN CN201820118466.5U patent/CN207933446U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112300902A (en) * | 2020-10-30 | 2021-02-02 | 湖南达道新能源开发有限公司 | Methane tank structure heated by geothermal energy |
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