CN208604125U - The external heating device in black film anaerobic fermentation pond - Google Patents
The external heating device in black film anaerobic fermentation pond Download PDFInfo
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- CN208604125U CN208604125U CN201820873167.2U CN201820873167U CN208604125U CN 208604125 U CN208604125 U CN 208604125U CN 201820873167 U CN201820873167 U CN 201820873167U CN 208604125 U CN208604125 U CN 208604125U
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Abstract
The external heating device in the utility model black film anaerobic fermentation pond, generator water outlet is connected by the first input port pipeline of the first electric three-way regulating valves and spiral-plate heat exchanger, the second input port connection of spiral-plate heat exchanger is passed through the pipeline of waste water, first delivery outlet of spiral-plate heat exchanger is connect with black film anaerobic fermentation pond pipeline, the second delivery outlet is connected by the water inlet conduit of the second electric three-way regulating valves and generator, has the first temperature sensor on the pipeline that spiral-plate heat exchanger is connect with fermentation vat；The second outlet of first electric three-way regulating valves is connect with the inlet pipeline of the second electric three-way regulating valves, the second outlet of second electric three-way regulating valves is connect by cooling device with the inlet pipeline of the second electric three-way regulating valves, there is second temperature sensor between cooling device and the import of the second electric three-way regulating valves on pipeline, the first and second temperature sensors, the first and second electric three-way regulating valves and cooling device are connect with PLC.
Description
Technical field
The utility model relates to heating technology field, external more particularly to a kind of black film anaerobic fermentation pond heats dress
It sets.
Background technique
Black film anaerobic fermentation pond is a kind of methane-generating pit of ultra-large type for integrating fermentation, gas storage, treatment for cow manure principle
It is consistent with other anaerobic bio-treated processes, by the metabolic function of anaerobic bacteria, organic matter is made to obtain degradation and Partial Conversion life
At biogas.Since it has, anti impulsion load is strong, operating cost is low, project cost is low, sewage treating efficiency is high, biogas output is more
The features such as, the deep favor by breeding enterprise.But black film anaerobic fermentation pond belongs to normal temperature fermentation, however, for anaerobic fermentation or
For biogas output, other than the influence of raw material, temperature plays decisive role to anaerobic fermentation.It is black due to being normal temperature fermentation
Often gas production is extremely low in winter for membrane cisterna, and spring gas production still rises, and peak value occurs in summer gas production, and autumn gas production is gradually
It falls after rise, throughout the year in cycles, such case is whole for the installed capacity configuration of biogas generator, operation reserve and project
The Eco-power decision of body causes huge puzzlement.In addition, many projects are constructed item, pass through generator waste heat+hot coil
Form transformation difficulty it is big.
Utility model content
The utility model is in view of the problems of the existing technology and insufficient, provides the novel black film anaerobic fermentation pond of one kind
External heating device.
The utility model is to solve above-mentioned technical problem by following technical proposals:
The utility model provides a kind of external heating device in black film anaerobic fermentation pond, it is characterized in that comprising power generation
Machine, the first electric three-way regulating valves, spiral-plate heat exchanger, the second electric three-way regulating valves, cooling device, the first temperature sensing
The water outlet of device, second temperature sensor and PLC, the generator pass through the first electric three-way regulating valves and spiral-plate heat exchanger
The connection of the first input port pipeline, the second input port connection of the spiral-plate heat exchanger is passed through the pipeline of waste water, the spiral shell
First delivery outlet of spiral plate exchanger is connect with black film anaerobic fermentation pond pipeline, the second delivery outlet is adjusted by the second electric three passes
The connection of the water inlet conduit of valve and generator, what the first delivery outlet of the spiral-plate heat exchanger was connect with black film anaerobic fermentation pond
The first temperature sensor is provided on pipeline.
The second outlet of first electric three-way regulating valves is connect with the inlet pipeline of the second electric three-way regulating valves, institute
The second outlet for stating the second electric three-way regulating valves is connect by cooling device with the inlet pipeline of the second electric three-way regulating valves,
It is provided with second temperature sensor on the pipeline that the cooling device is connect with the import of the second electric three-way regulating valves, described
One temperature sensor, the first electric three-way regulating valves, second temperature sensor, the second electric three-way regulating valves and cooling device are equal
It is connect with PLC.
Preferably, the pipe that the second delivery outlet of the spiral-plate heat exchanger is connect with the import of the second electric three-way regulating valves
Be provided with safety valve, pressure gauge and third temperature sensor on road, the safety valve, pressure gauge and third temperature sensor with
PLC connection.
Preferably, being provided with hand on the pipeline for the import connection that the cooling device is connect with the second electric three-way regulating valves
Dynamic valve.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get the utility model respectively compared with
Good example.
The positive effect of the utility model is:
In the utility model, 90 DEG C of hot water, the pig excrement and sewage that the water outlet of generator goes out respectively flow through spiral plate and change
The two sides of hot device, one such fluid is along helical duct ecto-entad, until central outlet flows out；And one other fluid is then along spiral shell
Channel is revolved by center inlet, is flowed out from inside to outside.Two kinds of fluids are flowed in pure reflux type.It is utilized more than power generation in this way
Heat improves the inflow temperature in black film anaerobic fermentation pond, this kind of mode not only saves cost, while second level than traditional hot plate form of tubes
Heat exchange can effectively improve inflow temperature, improve COD (COD) removal rate, increase gas production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the external heating device in the black film anaerobic fermentation pond of the utility model preferred embodiment.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all belongs to
In the range of the utility model protection.
Biogas generator generates a large amount of waste heat when producing electricl energy, just biogas generator domestic at present
For unit, electrical efficiency is only 35%, and the thermal efficiency can generally achieve 40%, if cannot be right by 40% heat energy utilization
The energy is a kind of greatly waste.
So as shown in Figure 1, the present embodiment provides a kind of external heating devices in black film anaerobic fermentation pond comprising power generation
Machine 1, the first electric three-way regulating valves 2, spiral-plate heat exchanger 3, the second electric three-way regulating valves 4, cooling device 5, the first temperature
Sensor 6, second temperature sensor 7, hand-operated valve 8 and PLC (not shown).
The water outlet of the generator 1 passes through the 2 (entrance of the first electric three-way regulating valves 2 of the first electric three-way regulating valves
With first outlet) it is connect with the first input port pipeline of spiral-plate heat exchanger 3, the second input port of the spiral-plate heat exchanger 3
Connection is passed through the pipeline of waste water, the first delivery outlet of the spiral-plate heat exchanger 3 connect with 12 pipeline of black film anaerobic fermentation pond,
Second delivery outlet is connect by the second electric three-way regulating valves 4 with the water inlet conduit of generator 1, the spiral-plate heat exchanger 3
The pipeline that is connect with black film anaerobic fermentation pond 12 of the first delivery outlet on be provided with the first temperature sensor 6.
The second outlet of first electric three-way regulating valves 2 is connect with the inlet pipeline of the second electric three-way regulating valves 4,
The second outlet of second electric three-way regulating valves 4 passes through cooling device 5, hand-operated valve 8 and the second electric three-way regulating valves 4
Inlet pipeline connects, and the second temperature is provided on the pipeline that the cooling device 5 is connect with the import of the second electric three-way regulating valves 4
Spend sensor 7, first temperature sensor 6, the first electric three-way regulating valves 2, second temperature sensor 7, second electronic three
Logical regulating valve 4 and cooling device 5 are connect with PLC.
On the pipeline that second delivery outlet of the spiral-plate heat exchanger 3 is connect with the import of the second electric three-way regulating valves 4
It is provided with safety valve 9, pressure gauge 10 and third temperature sensor 11, the safety valve 9, pressure gauge 10 and third temperature sensor
11 connect with PLC.
Spiral-plate heat exchanger (spiral heat exchanger), is that two spiral shells are made by two parallel metal plate coils
Shape channel, the heat exchanger to exchange heat between cold fluid and hot fluid by spiral wooden partition are revolved, spiral-plate heat exchanger is existing commercially available production
Product, in addition, cooling device is also the prior art, so repeating no more to its structure.
90 DEG C of hot water, the pig excrement and sewage that the water outlet of generator 1 goes out respectively flow through the two sides of spiral-plate heat exchanger 3,
One such fluid is along helical duct ecto-entad, until central outlet flows out；And one other fluid is then along helical duct in
Heart import, flows out from inside to outside.Two kinds of fluids are flowed in pure reflux type.Waste water after heating flows into black film anaerobic fermentation pond
In.
Waste coolant-temperature gage after heating reaches 38 DEG C or when more than 38 DEG C, the temperature that the first temperature sensor 6 will measure
Degree is transferred to PLC, and PLC control is given the first electric three-way regulating valves 2 corresponding signal, adjusted by the first electric three-way regulating valves 2
It is whole to be pumped to supply 90 DEG C of hot water flows for heating waste water, while by extra hot water by the first electric three-way regulating valves 2
It send to the water inlet end of the second electric three-way regulating valves 4.
Third temperature sensor 7 detects the temperature on water return pipeline, and temperature value is transmitted to PLC, super in return water temperature
When crossing 70 DEG C, PLC control the second electric three-way regulating valves 4 adjustment to cooling hot water, and control cooling device 5 starting and
Startup power guarantees that generator return water temperature is no more than 70 DEG C, and second temperature sensor 7 is used to detect the temperature of water after cooling
Degree.
After spiral-plate heat exchanger 3 is to the heating of waste water, the return water temperature of generator 1 is still high for 90 DEG C of water outlets of generator 1
When 70 DEG C, backwater diffluence to cooling device 5 is bypassed by the second electric three-way regulating valves 4 and carries out temperature and flow adjusting, is protected
The return water temperature that card eventually enters into generator is no more than 70 DEG C.
Safety valve, pressure gauge and temperature sensor are set on return water main line, avoid return water main line temperature excessively high and
Pressure is excessive.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely examples, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art
Member can make numerous variations or be repaired to these embodiments under the premise of without departing substantially from the principles of the present invention and essence
Change, but these change and modification each fall within the protection scope of the utility model.
Claims (3)
1. a kind of external heating device in black film anaerobic fermentation pond, which is characterized in that it includes generator, the first electric three passes tune
Save valve, spiral-plate heat exchanger, the second electric three-way regulating valves, cooling device, the first temperature sensor, second temperature sensor and
The water outlet of PLC, the generator are connected by the first input port pipeline of the first electric three-way regulating valves and spiral-plate heat exchanger
It connects, the second input port connection of the spiral-plate heat exchanger is passed through the pipeline of waste water, and the first of the spiral-plate heat exchanger is defeated
Outlet is connect with black film anaerobic fermentation pond pipeline, the second delivery outlet passes through the water inlet of the second electric three-way regulating valves and generator
Pipeline connects, and the first temperature is provided on the pipeline that the first delivery outlet of the spiral-plate heat exchanger is connect with black film anaerobic fermentation pond
Spend sensor；
The second outlet of first electric three-way regulating valves is connect with the inlet pipeline of the second electric three-way regulating valves, and described
The second outlet of two electric three-way regulating valves is connect by cooling device with the inlet pipeline of the second electric three-way regulating valves, described
Second temperature sensor, first temperature are provided on the pipeline that cooling device is connect with the import of the second electric three-way regulating valves
Spend sensor, the first electric three-way regulating valves, second temperature sensor, the second electric three-way regulating valves and cooling device with
PLC connection.
2. the external heating device in black film anaerobic fermentation as described in claim 1 pond, which is characterized in that the spiral plate heat exchange
Safety valve, pressure gauge and third are provided on the pipeline that second delivery outlet of device is connect with the import of the second electric three-way regulating valves
Temperature sensor, the safety valve, pressure gauge and third temperature sensor are connect with PLC.
3. the external heating device in black film anaerobic fermentation as described in claim 1 pond, which is characterized in that the cooling device with
Hand-operated valve is provided on the pipeline of the import connection of second electric three-way regulating valves connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820873167.2U CN208604125U (en) | 2018-06-06 | 2018-06-06 | The external heating device in black film anaerobic fermentation pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820873167.2U CN208604125U (en) | 2018-06-06 | 2018-06-06 | The external heating device in black film anaerobic fermentation pond |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208604125U true CN208604125U (en) | 2019-03-15 |
Family
ID=65662249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820873167.2U Active CN208604125U (en) | 2018-06-06 | 2018-06-06 | The external heating device in black film anaerobic fermentation pond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208604125U (en) |
-
2018
- 2018-06-06 CN CN201820873167.2U patent/CN208604125U/en active Active
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