CN207246797U - A kind of buried biogas pipeline condensate return system - Google Patents
A kind of buried biogas pipeline condensate return system Download PDFInfo
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- CN207246797U CN207246797U CN201721152143.XU CN201721152143U CN207246797U CN 207246797 U CN207246797 U CN 207246797U CN 201721152143 U CN201721152143 U CN 201721152143U CN 207246797 U CN207246797 U CN 207246797U
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Abstract
A kind of buried biogas pipeline condensate return system is the utility model is related to, including is arranged on the condensate well and deep well of side below buried biogas pipeline and biogas membrane type gas holder；The buried biogas pipeline exports pipeline by condensation water with biogas membrane type gas holder and connects condensate well, and the part that condensation water export pipeline is stretched under condensate well water face is U-shaped structure, and the both sides of U-shaped structure bent portion set cover board respectively；The absolute altitude of deep well is less than condensate well absolute altitude, and condensate well connects deep well by overflow pipe, and deep well connects exterior water treatment system by drainage pipeline.The utility model is while condensation water is recycled, moreover it is possible to plays water seal to biogas pipeline, sealing structure for water has volatilization prevention function concurrently, so as to ensure that biogas buried pipeline is safe efficient, stably run.
Description
Technical field
Scale biomass natural gas resource recycle utilization technology field is the utility model is related to, more particularly to it is a kind of large-scale
Buried biogas pipeline condensate return system in biogas engineering.
Background technology
At present, biological treatment of the large and medium-sized biogas engineering to raw material uses medium and high temperature anaerobic fermentation substantially, it produces biogas
It is mostly 30~50 DEG C or so to control temperature.Biogas carries a large amount of saturated vapors from anaerobic fermentation tank during output, wherein, high temperature
Fermentation is more more than the water content of mesophilic digestion, so as to cause water vapour in biogas transmission ＆ distribution pipeline to condense to form resistance, or even makes pipe
Road blocks；In addition, water and hydrogen sulfide in methane collective effect, can accelerate pipeline and valve erosion.So setting in gas line network
In meter, condensed water is removed usually through dehydration device or cryophorus.
In the actual production of biogas engineering, to make bionethanation system safe efficient and stably running, biogas pipeline is general
It is all disposed within below the frozen soil layer of ground.The design of this underground piping not only reduces pipeline to be influenced by external environment, meanwhile, by
Temperature compares relatively low and stablizes under frozen soil layer, and the saturated steam in biogas gradually cools down with pipeline, and temperature, which reduces, to be caused
Superfluous moisture is separated out with liquid condition in appendix.In order to water be removed, it is necessary to which the minimum point in pipeline installs condensate system
System, and periodically to exclude condensed water from condensate system.Follow-up management is not caught up with once, will influence the normal fortune of pipeline
OK.In addition, during underground piping system draining, since biogas is all in generally slight positive pressure state, drainage arrangement must also
Gas part in biogas can be controlled to overflow, avoid causing production accident.In addition, often because of each side reason in enterprise's production
There is halt production situation, once pipeline does not have a biogas operation, remaining water can evaporate totally with the time in condensate system, treat enterprise's weight
During new operation, condensate system must be carried out again to add the work such as water, detection.
In order to avoid the above problem occurs, it is necessary to all remove the condensed water occurred in biogas course of conveying, make biogas
Resistance reduces as far as possible in conveying distance, meanwhile, certain measure must be taken to be carved with water when ensureing seal water system in condensate system,
Biogas will not leak.
The content of the invention
The utility model provides a kind of buried biogas pipeline condensate return system, same what is recycled to condensation water
When, moreover it is possible to play water seal to biogas pipeline, sealing structure for water has volatilization prevention function concurrently, thus ensure biogas buried pipeline safety,
Efficiently, stably run.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of buried biogas pipeline condensate return system, including be arranged under buried biogas pipeline and biogas membrane type gas holder
The condensate well and deep well of square side；The buried biogas pipeline is exported pipeline and connected with biogas membrane type gas holder by condensation water to coagulate
Well, and the part stretched under condensate well water face of condensation water export pipeline is U-shaped structure, the both sides of U-shaped structure bent portion
Cover board is set respectively；The absolute altitude of deep well is less than condensate well absolute altitude, and condensate well connects deep well by overflow pipe, and deep well passes through
The exterior water treatment system of drainage pipeline connection.
The condensate well to multiple, pass through corresponding overflow pipe and connects same deep well respectively for 1.
The cover board includes Inlet cover plate and Outlet cover plate, and wherein Outlet cover plate is arranged on the water outlet of condensation water export pipeline
At mouthful, Inlet cover plate is symmetricly set on the opposite side of U-shaped structure, and Inlet cover plate and Outlet cover plate are arranged on straight pipe.
Water pump is set on the drainage pipeline.
Compared with prior art, the beneficial effects of the utility model are：
1) the utility model can pass through the condensed water occurred in buried biogas pipeline and biogas membrane type gas holder special
Pipeline imports condensate well, avoids condensed water from depositing in biogas pipeline, not only reduces the resistance that piping runs bionethanation system, also
The water caused by low temperature can effectively be prevented to freeze；
2) condensation water export pipe end uses U-shaped structure, has water seal effect, U-shaped structure both sides set prevent respectively
The cover board of moisture evaporation, can avoid avoiding the throwing that goes into operation again because condensing water loss in pipeline caused by external environment change when stopping production
Biogas is revealed during production；
3) using deep well by condensation water collection unnecessary in all condensate wells in system, by interlocked control by deep well
In water be periodically pumped to water treatment system, Process configuration is reasonable；
4) technological process is simple, and control operation is convenient, and investment operating cost is low, especially suitable for large and medium-sized biogas engineering.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of buried biogas pipeline condensate return system described in the utility model.
In figure：1. 4. condensate well of buried 2. biogas membrane type gas holder of biogas pipeline, 3. condensation water export pipeline, 5. overflow pipe
8. 10. Inlet cover plate of water pump 9.U shapes structure of road 6. deep well, 7. drainage pipeline, 11. Outlet cover plate
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of buried biogas pipeline condensate return system described in the utility model, including be arranged on buried
The condensate well 4 and deep well 6 of 2 lower section side of biogas pipeline 1 and biogas membrane type gas holder；The buried biogas pipeline 1 and biogas film
Formula gas holder 2 exports pipeline 3 by condensation water and connects condensate well 4, and condensation water export pipeline 3 is stretched under 4 water surface of condensate well
Part is U-shaped structure 9, and the both sides of 9 bent portion of U-shaped structure set cover board 10,11 respectively；The absolute altitude of deep well 6 is less than condensate well 4
Absolute altitude, condensate well 4 connect deep well 6 by overflow pipe 5, and deep well 6 connects exterior water treatment system by drainage pipeline 7.
The condensate well 4 to multiple, connects same deep well 6 by corresponding overflow pipe 5 respectively for 1.
The cover board includes Inlet cover plate 10 and Outlet cover plate 11, and wherein Outlet cover plate 11 is arranged on condensation water export pipeline
3 water outlet, Inlet cover plate 10 are symmetricly set on the opposite side of U-shaped structure 9, and Inlet cover plate 10 and Outlet cover plate 11 are arranged on
On straight pipe.
Water pump 8 is set on the drainage pipeline 7.
Buried biogas pipeline method for recovering condensation water based on system described in the utility model is as follows：
1) the buried biogas pipeline 1 drawn by bionethanation system anaerobic fermentation unit is in biogas course of conveying, because temperature reduces
Condense out condensed water；Equally, 2 bottom of biogas membrane type gas holder can also produce condensed water because outside air temperature changes, and above-mentioned two parts are cold
Condensate exports pipeline 3 by corresponding condensation water and is introduced into respectively in condensate well 4；
2) during bionethanation system normal operation, the condensation water export 3 bottom U-shaped structure 9 of pipeline for stretching into condensate well 4 stores necessarily
The condensed water of amount, plays the role of water seal, so as to ensure that the biogas in buried biogas pipeline 1 will not be revealed；Bionethanation system stopped production
Cheng Zhong, the cover board 10,11 of 9 both sides of U-shaped structure can prevent the condensed water of storage from volatilizing because external environment influences, so as to ensure natural pond
Gas system remains to play the role of water seal after going into operation again；
3) cover board 10,11 of 9 both sides of U-shaped structure sets according to the flow direction of condensed water and opens and closes direction, its middle outlet
Cover board 11 upwardly opens, and in anhydrous outflow, Outlet cover plate 11 is closed to horizontal level；Inlet cover plate 10 is opened downwards, anhydrous
Outlet cover plate 10 is closed to horizontal level when flowing through；
4) when the water level in deep well 6 reaches the upper limit, the water in deep well 6 is drained into by water by the water pump 8 of interlocked control
Processing system, when water level is reduced to lower limit, switches off the pump 8.
The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of buried biogas pipeline condensate return system, it is characterised in that including being arranged on buried biogas pipeline and biogas
The condensate well and deep well of side below membrane type gas holder；Buried biogas pipeline and biogas the membrane type gas holder is exported by condensation water
Pipeline connects condensate well, and the part that condensation water export pipeline is stretched under condensate well water face is U-shaped structure, and U-shaped structure is bent
Partial both sides set cover board respectively；The absolute altitude of deep well is less than condensate well absolute altitude, and condensate well connects deep well by overflow pipe,
Deep well connects exterior water treatment system by drainage pipeline.
A kind of 2. buried biogas pipeline condensate return system according to claim 1, it is characterised in that the condensate well
For 1 to multiple, pass through corresponding overflow pipe respectively and connect same deep well.
A kind of 3. buried biogas pipeline condensate return system according to claim 1, it is characterised in that the cover board bag
Inlet cover plate and Outlet cover plate are included, wherein Outlet cover plate is arranged on the water outlet of condensation water export pipeline, and Inlet cover plate is symmetrical
The opposite side of U-shaped structure is arranged on, Inlet cover plate and Outlet cover plate are arranged on straight pipe.
A kind of 4. buried biogas pipeline condensate return system according to claim 1, it is characterised in that the drainpipe
Water pump is set on road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721152143.XU CN207246797U (en) | 2017-09-08 | 2017-09-08 | A kind of buried biogas pipeline condensate return system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721152143.XU CN207246797U (en) | 2017-09-08 | 2017-09-08 | A kind of buried biogas pipeline condensate return system |
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| Publication Number | Publication Date |
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| CN207246797U true CN207246797U (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721152143.XU Active CN207246797U (en) | 2017-09-08 | 2017-09-08 | A kind of buried biogas pipeline condensate return system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401679A (en) * | 2017-09-08 | 2017-11-28 | 中冶焦耐(大连)工程技术有限公司 | A kind of buried biogas pipeline condensate return system and method |
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2017
- 2017-09-08 CN CN201721152143.XU patent/CN207246797U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401679A (en) * | 2017-09-08 | 2017-11-28 | 中冶焦耐(大连)工程技术有限公司 | A kind of buried biogas pipeline condensate return system and method |
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