CN209906722U - Biogas ground temperature condensation dehydration pipeline system - Google Patents

Abstract

The utility model provides a marsh gas ground temperature condensation dehydration pipeline system, which comprises a condensate water drainage pipeline, a condensation well and a condensate water outer discharging pipe, wherein one end of the condensate water drainage pipeline is fixedly connected with a marsh gas transportation pipeline laid below the ground surface, the other end of the condensate water drainage pipeline is communicated with the condensation well, a condensate water collecting pipe is arranged on the side wall of the condensation well, one end of the condensate water collecting pipe is communicated with the condensate water drainage pipe, the other end of the condensate water drainage pipeline is provided with a siphon pipe, the siphon pipe is detachably connected with the condensate water collecting pipe, one end of the condensate water outer discharging pipe is communicated with the condensation well, the marsh gas is cooled by using the ground temperature by laying the marsh gas transportation pipeline below the ground surface, so that the condensate water is cooled by the lower ground temperature in the marsh gas transportation pipeline, the moisture is condensed and separated out, and, thereby reducing the energy consumption in the condensation dehydration of the methane and saving the operation cost of the equipment.

Description

Biogas ground temperature condensation dehydration pipeline system

Technical Field

The utility model relates to a condensation dehydration pipe equipment field, concretely relates to marsh gas ground temperature condensation dehydration pipe-line system.

Background

Generally, a biogas anaerobic fermentation system is carried out at medium and high temperature (35-55 ℃), before biogas enters a cogeneration unit from a reactor, cooling and dehydration treatment are required, so that the medium and high temperature biogas is cooled to below 20 ℃, and water in the biogas is removed at the same time.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a marsh gas ground temperature condensation dehydration pipe-line system, it is high for solving among the marsh gas engineering consumption in the marsh gas condensation dehydration, technical problem that manufacturing cost is high.

In order to realize the above-mentioned purpose, the utility model provides a marsh gas ground temperature condensation dewatering pipe-line system, including comdenstion water drainage pipeline, condensation well and comdenstion water outer calandria, comdenstion water drainage pipeline one end transports pipeline fixed connection with the marsh gas of laying below locating the earth's surface, the other end with the condensation well intercommunication, the comdenstion water collecting pipe has been seted up on the condensation well lateral wall, the one end of comdenstion water collecting pipe with comdenstion water drainage tube intercommunication, the other end installed the siphon just the siphon with the connection can be dismantled to the comdenstion water collecting pipe, comdenstion water outer calandria one end with the condensation well intercommunication, the other end.

The utility model has the advantages that: through laying marsh gas transport pipe way under the earth's surface, utilize the earth temperature to cool off marsh gas for the comdenstion water receives the cooling effect of lower earth temperature in marsh gas transport pipe way, makes the moisture condensation separate out, gathers into in the condensation well via comdenstion water drainage pipeline and keeps in, thereby reduces the energy resource consumption of marsh gas condensation dehydration, has saved equipment running cost, the loss of greatly reduced cost.

Further, be equipped with immersible pump and level sensor in the condensate well, the output of immersible pump with the one end swing joint of comdenstion water outer calandria, level sensor is fixed in on the lateral wall of condensate well just level sensor with the immersible pump electricity is connected.

The beneficial effect of adopting the further scheme is as follows: the water level sensor that it was equipped with monitors the water level height in the condensation well, prevents because the water level is too high to lead to the fact the too big pressure in the condensation well, causes the damage to equipment such as immersible pump.

Further, the top of condensation well sets up on the earth's surface just the apron is still installed at the top of condensation well, the apron with the connection can be dismantled in the condensation well adoption.

The beneficial effect of adopting the further scheme is as follows: the apron of its setting is effectual prevents that the outside foreign matter of condensation well from entering into the condensation well, causes the emergence of incident.

Furthermore, one end of the methane conveying pipeline is fixedly connected with a condensation assembly, the condensation assembly comprises a plurality of V-shaped or U-shaped condensation pipes which are communicated in series, and the lowest position of each condensation pipe is fixedly communicated with the condensed water drainage pipeline.

The beneficial effect of adopting the further scheme is as follows: the condensed water drainage pipeline is arranged at the lowest position of the U-shaped or V-shaped methane transportation pipeline, so that water precipitated by condensation in the methane transportation pipeline can enter the condensed water drainage channel more conveniently, and energy loss is saved.

Furthermore, the condensed water drainage pipeline and the condensed water outer discharge pipe are both gas special PE pipes.

The beneficial effect of adopting the further scheme is as follows: the special PE pipe for the fuel gas can effectively prolong the service life of the pipeline laid below the ground surface, and further reduce the consumption and waste of facility cost.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the methane transportation pipeline buried in the utility model.

Fig. 3 is a schematic structural diagram of the middle condensation well of the present invention.

In the figure: 1. the system comprises a condensate water drainage pipeline, 2 condensation wells, 3 condensate water external discharge pipes, 4 biogas transport pipelines, 5 condensate water collection pipes, 6 cover plates, 7 collection pools, 8 condensation pipes, 9 submersible pumps, 11 water level sensors, 12 siphons and 13 ground surfaces.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the above objects, the following detailed description of the embodiments, structures, features and effects of the present invention will be made with reference to the accompanying drawings and preferred embodiments, it should be understood that the embodiments described in the present invention are only used for explaining the present invention, and are not used for limiting the present invention.

As shown in fig. 1 to 3, a methane geothermal condensation dehydration pipeline system comprises a condensate water drainage pipeline 1, a condensation well 2 and a condensate water discharge pipe 3, wherein one end of the condensate water drainage pipeline 1 is fixedly connected with a methane transportation pipeline 4 laid below the earth surface 13, and the other end is connected with the condensation well 2, wherein the methane transportation pipeline is made of a PE pipe material special for fuel gas, the anti-settling property is good when the pipeline is buried for use, the pipe diameter is generally not less than DN100, the cooling effect is affected when the contact area is too small, a condensation assembly is fixedly connected with one end of the methane transportation pipeline 4, the condensation assembly is formed by connecting a plurality of "U" or "V" shaped condensation pipes 8 in series, the lowest part of each condensation pipe 8 is also communicated with the condensate water drainage pipeline 1, when high-temperature methane mixed with water vapor enters the methane transportation pipeline 4 buried below the earth surface, biogas of high temperature this moment meets lower ground temperature environment, cause the condensation water bead on the 4 inner walls of marsh gas transport pipeline through the heat exchange, the condensation water bead on the 4 inner walls of marsh gas transport pipeline will collect respectively through a plurality of condenser pipes 8 and install in the condensate water drainage pipeline 1 of corresponding condenser pipe 8 least significant department this moment, and finally with condensate water drainage to the condensate well in, wherein be equipped with condensate water collecting pipe 5 in the condensate well 2, condensate water collecting pipe 5's one end and condensate water drainage pipe 1 intercommunication, the other end extends to the diapire department of condensate well 2, the top of condensate well 2 is located on the earth's surface 13 and the top of condensate well 2 is equipped with apron 6, be equipped with collecting pit 7 on earth's surface 13, 3 one ends of condensate water outer calandria and collecting pit 7 intercommunication, the other end.

The utility model discloses in the preferred embodiment, refer to fig. 2 and show, when marsh gas transport pipeline 4 buries underground, marsh gas transport pipeline 4 bury the degree of depth underground should be greater than thickness and the marsh gas transport pipeline 4 of local frozen soil layer and be not less than 1% when laying the slope inclination to this more makes things convenient for in marsh gas transport pipeline 4 the condensate flow that the condensation of appearing is to "U" type or "V" type condenser pipe 8 in, and collect the condensate water in condensate well 2 through the condensate water drainage tube that communicates with 8 lower of condenser pipe.

In the preferred embodiment of the present invention, referring to fig. 3, a submersible pump 9 and a water level sensor 11 are disposed in the condensate well 2, an output end of the submersible pump 9 is movably connected with one end of the condensate water discharging pipe 3, wherein a siphon 12 is disposed in the condensate well 2 and an input end of the siphon 12 is communicated with the condensate water collecting pipe 5, and a mounting height of the siphon 12 is adjusted and mounted according to a pressure value of the biogas, wherein the condensate water in the biogas is cooled by a lower ground temperature, water is separated out and flows into the siphon 12 via the condensate water collecting pipe 5, and finally flows into the condensate well 2 via the siphon 12, wherein the siphon 12 prevents the condensate water about to flow into the condensate well 2 from mixing with the biogas, which causes the escape of the biogas and further pollutes the environment, and on the other hand prevents the air in the condensate well 2 from entering the biogas transportation pipeline 4 to cause the risk, the siphon tube 12 thus functions as a liquid seal against gas leakage, while the water level sensor 11 is fixed to the side wall of the condensate well 2, and the water level sensor 11 is electrically connected with the submersible pump 9 through an electric circuit system in the condensation well 2, when the cooled condensed water flows into the condensation well 2 along the condensed water collecting pipe 5, the water level in the condensation well 2 continuously rises, and the water level sensor 11 arranged in the condensation well 2 collects the water level information in the condensation well 2, if the water level of the condensation well 2 is detected to rise to the appointed preset water level, at this time, the water level sensor 11 controls the working state of the submersible pump 9 through an electric circuit system in the well, and the submersible pump 9 pumps out the condensed water, discharges the condensed water out of the condensation well 2 through the condensed water outward-discharging pipe 3, and finally discharges the condensed water into the collecting tank 7 arranged on the ground surface 13 for treatment.

The utility model discloses a concrete theory of operation:

when high-temperature biogas passes through a biogas conveying pipeline 4 laid below the ground surface 13, the biogas conveying pipeline 4 is buried underground, so that the high-temperature biogas can exchange heat with the ground when passing through the biogas conveying pipeline 4, the high-temperature biogas is cooled, condensate water can be generated when the high-temperature biogas is cooled, meanwhile, the condensate water can condense impurities in the biogas, the condensate water separated by condensation flows to a condensate water collecting pipe 5 through a condensate water drainage pipeline 1 and finally flows into a condensation well 2 through the condensate water collecting pipe 5, when the water level of the condensate water temporarily stored in the condensation well 2 rises to a preset position of a water level sensor 11, the water level sensor 11 controls a submersible pump 9 to start working through an electric circuit system in the condensation well 2, the submersible pump 9 extracts the condensate water and discharges the condensate water out of the condensation well 2 through a condensate water outlet pipe 3, and discharged to a collecting tank 7 arranged on the ground surface 13 for centralized treatment.

The utility model provides a marsh gas ground temperature condensation dewatering pipeline system, which can prevent the condensate water which is about to flow into the condensation well 2 from mixing with marsh gas to cause the escape of the marsh gas and further pollute the environment through the siphon 12 arranged on the submersible pump 9, and prevent the danger of marsh gas explosion caused by the air in the condensation well 2 entering the marsh gas transportation pipeline 4, thereby effectively ensuring the normal operation of the condensation well 2, simultaneously cooling the marsh gas by laying the marsh gas conveying pipeline under the ground surface 13 and utilizing the ground temperature, so that the condensed water is cooled in the methane transportation pipeline by the lower ground temperature, the moisture is condensed and separated out, the condensed water flows into the condensation well 2 through the condensed water drainage pipeline 1 for temporary storage, so that the energy consumption of methane condensation dehydration is reduced, the equipment operation cost is saved, and the cost loss is greatly reduced.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (5)

1. The utility model provides a marsh gas ground temperature condensation dewatering pipe-line system, includes comdenstion water drainage pipeline (1), condensate well (2) and comdenstion water calandria (3), its characterized in that: condensate water drainage pipeline (1) one end transports pipeline (4) fixed connection with locating the marsh gas that lays below earth's surface (13), the other end with condensate well (2) intercommunication, condensate water collecting pipe (5) have been seted up on condensate well (2) lateral wall, the one end of condensate water collecting pipe (5) with condensate water drainage pipeline (1) intercommunication, siphon (12) have been installed to the other end just siphon (12) with condensate water collecting pipe (5) can be dismantled the connection, the outer calandria of condensate water (3) one end with condensate well (2) intercommunication, the other end with set up collecting pit (7) intercommunication on earth's surface (13).

2. The system of claim 1, wherein the system comprises: be equipped with immersible pump (9) and level sensor (11) in condensation well (2), the output of immersible pump (9) with the one end swing joint of comdenstion water outer calandria (3), level sensor (11) are fixed in on the lateral wall of condensation well (2) and level sensor (11) with immersible pump (9) electricity is connected.

3. The system of claim 2, wherein the system comprises: the top of condensation well (2) sets up on earth's surface (13) and apron (6) are still installed to the top of condensation well (2), apron (6) with condensation well (2) adopt can dismantle the connection.

4. The system of claim 1, wherein the system comprises: one end of the methane conveying pipeline (4) is fixedly connected with a condensation assembly, the condensation assembly comprises a plurality of V-shaped or U-shaped condensation pipes (8) which are communicated in series, and the lowest position of each condensation pipe (8) is fixedly communicated with the condensate water drainage pipeline (1).

5. The system of claim 1, wherein the system comprises: the condensed water drainage pipeline (1) and the condensed water outer discharge pipe (3) both adopt special PE pipes for fuel gas.

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