CN213467303U

CN213467303U - Alkane gas dewatering device

Info

Publication number: CN213467303U
Application number: CN202021961629.XU
Authority: CN
Inventors: 黄宝福; 宋兰芹
Original assignee: Beijing Beiyang Special Gas Engineering Technology Co ltd
Current assignee: Beijing Beiyang Special Gas Engineering Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-06-18
Anticipated expiration: 2030-09-09

Abstract

The utility model relates to the technical field of gas purification, in particular to an alkane gas dehydration device, which comprises a coarse dehydration device and a fine dehydration device, wherein the coarse dehydration device comprises a first shell, the first shell is provided with a first air inlet, the fine dehydration device comprises a second shell, and the second shell is provided with a second air inlet; the coarse dehydration device is provided with a primary discharge port and a liquid discharge pipe positioned at the bottom of the primary discharge port; the fine dehydration device is provided with a second exhaust port, the primary exhaust port and the second air inlet are in through connection through a conveying pipeline, and the second exhaust port is in through connection with a discharge pipeline. The arrangement of the coarse dehydration device and the fine dehydration device solves the technical problem of incomplete dehydration in the dehydration process of alkane gas, and the technical effects of improving the dehydration effect and improving the gas utilization rate are achieved.

Description

Alkane gas dewatering device

The technical field is as follows:

the utility model relates to a gaseous purification technology field, concretely relates to gaseous dewatering device of alkane.

Background art:

alkanes are open-chain saturated hydrocarbons in which the carbon atoms in the molecule are all connected by single bonds and the remaining bonds are all hydrogen bonded; the main sources of alkanes are petroleum and natural gas, which are important chemical raw materials and energy materials.

Dehydration of the gas is a conventional operation. Which makes it possible to control the water dew point, i.e. the water content of the gas, to avoid the formation of hydrates or ice during transport or use of the gas, thereby reducing the risk of corrosion. The water content of alkane gas used in the laboratory at present is higher, can't carry out direct use, so need carry out dehydration, the dehydration effect of present device is not good at present, causes that the alkane gas after the dehydration still mixes a large amount of aqueous vapor.

In view of this, the present invention is proposed.

The utility model has the following contents:

the utility model provides an alkane gas dehydration device to solve at least one technical problem.

The utility model provides a paraffin gas dehydration device, which comprises a coarse dehydration device and a fine dehydration device, wherein the coarse dehydration device comprises a first shell, the first shell is provided with a first air inlet, the fine dehydration device comprises a second shell, and the second shell is provided with a second air inlet; the coarse dehydration device is provided with a primary discharge port and a liquid discharge pipe positioned at the bottom of the primary discharge port; the fine dehydration device is provided with a second exhaust port, the primary exhaust port and the second air inlet are in through connection through a conveying pipeline, and the second exhaust port is in through connection with a discharge pipeline.

By adopting the scheme, the coarse dehydration device is used for preliminarily dehydrating the alkane gas, the fine dehydration device is used for further dehydrating the alkane gas, the preliminarily dehydrated alkane gas enters the fine dehydration device for dehydration after passing through the conveying pipeline, and is discharged through the discharge pipeline for collection after the dehydration. When the first shell and/or the second shell are actually used, a base or a support can be arranged on the ground for use, and the first air inlet, the second air inlet, the primary discharge port and the second air inlet can be connected with corresponding pipelines in a mode of arranging flanges; the second shell can be provided with a plurality of branches according to actual conditions, and at the moment, a plurality of branches can be correspondingly arranged at the through connection position of the conveying pipeline and the fine dehydration device.

Further, the first casing is internally provided with a first dewatering pipe communicated with the first air inlet, the initial discharge port comprises a first exhaust port arranged on the first dewatering pipe, the first exhaust port and the second air inlet are communicated with each other through a conveying pipeline, the lower end of the first dewatering pipe is communicated with the exhaust pipe, a cooling cavity arranged between the first dewatering pipe and the first casing is arranged inside the first casing, the first casing is further provided with a first interface, the first interface is connected with a refrigerating device, and the refrigerating device can be communicated with the cooling cavity through the first interface.

By adopting the scheme, the first shell can be provided with the mounting port for mounting the first dewatering pipe, the first shell and the first dewatering pipe can also be integrally formed during manufacturing, the second air inlet is communicated with the first exhaust port through the conveying pipeline, at the moment, a connecting port through which the conveying pipeline passes can be formed on the side wall of the first shell, and then sealing material is adopted to carry out compaction on the connecting position of the connecting port and the outer wall of the conveying pipeline; the first dehydration pipe is communicated with the first air inlet and then is compacted by adopting a sealing material, so that the refrigerant in the cooling cavity is prevented from leaking, and the alkane gas flows into the first dehydration pipe through the first air inlet; the first dewatering pipe can also be connected with the inner wall of the first shell in a threaded connection or welding mode. The refrigerating device cools the alkane gas in the first dehydration pipe by inputting a refrigerant into the cooling cavity, so that dehydration is performed, and after the whole dehydration process is completed, the dehydrated water is discharged through the liquid discharge pipe.

Preferably, the primary discharge port further comprises a third exhaust port disposed on the side wall of the first housing, and the gas subjected to primary dehydration flows into the conveying pipeline through the third exhaust port to prepare further dehydration by disposing a filtering and adsorbing device in the first housing.

Preferably, a slope finding structure facing to the inlet of the liquid discharge pipe is arranged on the lower side of the first dewatering pipe.

By adopting the scheme, the slope finding structure can enable the removed water to rapidly flow into the liquid discharge pipe, so that the water is prevented from staying on the inner wall of the first dehydration pipe for a long time to influence the dehydration effect on the alkane gas.

Preferably, the lower end of the slope finding structure is provided with a water outlet pipe, the water outlet pipe extends into the liquid discharge pipe to the lower end of the liquid discharge pipe, and a flexible sealing body is arranged between the side wall of the water outlet pipe and the inner side wall of the liquid discharge pipe.

By adopting the scheme, the water outlet pipe extends into the liquid discharge pipe to the lower end of the liquid discharge pipe, so that the separated water can be discharged more completely.

Preferably, the lower end of the liquid discharge pipe is connected with a tee joint, and the tee joint is further connected with a drying device and a water collecting bottle respectively.

By adopting the scheme, the drying device can generate heat to dry the first dehydration pipe when the dehydration device does not work so as to prevent residual moisture from contacting alkane gas when the dehydration device is used next time, and the water collecting bottle can be used for uniformly collecting the dehydrated moisture.

Preferably, a liquid adsorption plate is arranged inside the second shell.

Adopt above-mentioned scheme, adsorb the dehydration once more after the cooling dehydration and can promote the dehydration effect effectively, the liquid adsorption plate can adopt integrated into one piece or detachable mode to be connected with the second casing.

Preferably, an oil-removing ceramic fiber plate positioned below the liquid adsorption plate is further arranged inside the second shell.

By adopting the scheme, the oil-removing ceramic fiber board can remove oil in alkane gas, so that the oil can be further purified to meet the requirements on the alkane gas in the follow-up laboratory use and the like.

Preferably, a gas dispersion cylinder is arranged in the second shell at the second gas inlet, and the gas dispersion cylinder is provided with dispersion holes.

By adopting the scheme, the gas dispersion cylinder covers the second gas inlet, and alkane gas can flow upwards through the dispersion holes, so that the alkane gas can more uniformly pass through the oil removal ceramic fiber plate and the liquid adsorption plate.

Preferably, the liquid adsorption plate and/or the oil-removing ceramic fiber plate are provided in an upwardly convex shape.

By adopting the scheme, the liquid adsorption plate and/or the oil removal ceramic fiber plate are arranged in the shape of an upward bulge, so that the flow area can be increased, and further, the passing of gas is accelerated.

Preferably, a flow guide structure matched with the second exhaust port is arranged inside the second shell and connected with the inner wall of the second shell.

By adopting the scheme, the flow guide structure can guide alkane gas, so that the gas discharge is accelerated.

The utility model has the advantages that:

1. the arrangement of the coarse dehydration device and the fine dehydration device solves the technical problem of incomplete dehydration in the dehydration process of alkane gas, and the technical effects of improving the dehydration effect and improving the gas utilization rate are achieved.

2. The first dehydration tube, the refrigerating device, the liquid adsorption plate and the oil removal ceramic fiber plate are arranged, so that the technical problems of single dehydration mode and incomplete dehydration in the dehydration process of alkane gas are further solved, and the technical effects of improving dehydration and deoiling effects and improving the utilization rate of gas are achieved.

3. The technical problem of uneven gas circulation is solved in the setting of gas dispersion section of thick bamboo, has produced the technological effect who promotes dehydration efficiency.

4. The technical problem that the gas circulation speed is low is solved by the arrangement of the flow guide structure, and the technical effect of improving the dehydration efficiency is achieved.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of an embodiment of the present invention;

FIG. 2 is an internal structure diagram of an embodiment of the present invention;

FIG. 3 is an enlarged view of the drain pipe of FIG. 2;

FIG. 4 is an enlarged view of the second casing internal structure of the present invention;

fig. 5 is a schematic view of another embodiment of the present invention.

Description of reference numerals:

through the above reference sign explanation, combine the embodiment of the utility model, can more clearly understand and explain the technical scheme of the utility model.

11-a first shell, 12-a first air inlet, 131-a first air outlet, 132-a third air outlet, 14-a liquid discharge pipe, 15-a first dewatering pipe, 151-a slope finding structure, 152-a water outlet pipe, 16-a cooling cavity, 17-a first interface, 21-a second shell, 211-a liquid adsorption plate, 212-an oil removing ceramic fiber plate, 213-a gas dispersion cylinder, 2131-a dispersion hole, 214-a flow guide structure, 215-a fan, 22-a second air inlet, 23-a second air outlet, 3-a conveying pipeline, 4-a discharge pipeline, 5-a refrigerating device, 6-a flexible sealing body, 71-a drying device, 72-a water collecting bottle and 73-an electromagnetic valve.

The specific implementation mode is as follows:

reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

Referring to fig. 1, the present invention provides an alkane gas dehydration device, including a coarse dehydration device and a fine dehydration device, wherein the coarse dehydration device includes a first housing 11, the first housing 11 is provided with a first air inlet 12, the fine dehydration device includes a second housing 21, and the second housing 21 is provided with a second air inlet 22; the coarse dehydration device is provided with a primary discharge port and a liquid discharge pipe 14 positioned at the bottom of the primary discharge port; the fine dehydration device is provided with a second exhaust port 23, the primary exhaust port and the second air inlet 22 are connected through a conveying pipeline 3, and the second exhaust port 23 is connected through a discharge pipeline 4.

By adopting the scheme, the coarse dehydration device is used for preliminarily dehydrating the alkane gas, the fine dehydration device is used for further dehydrating the alkane gas, the preliminarily dehydrated alkane gas enters the fine dehydration device for dehydration again after passing through the conveying pipeline 3, and is discharged through the discharge pipeline 4 and collected after the dehydration. When in actual use, the first shell 11 and/or the second shell 21 can be provided with a base or a bracket to be placed on the ground for use, and the first air inlet 12, the second air inlet 22, the primary discharge port and the second air inlet 22 can be connected with corresponding pipelines in a flange arrangement mode; second casing 21 can set up a plurality ofly according to actual conditions, this moment conveying pipeline 3 can correspond with smart dewatering device through connection department and set up a plurality of branches, adopts the mode control switching that sets up solenoid valve 73, uses through mutually supporting of thick dewatering device and smart dewatering device to solve the not good technical problem of alkane gas dehydration effect, produces the technological effect that promotes the dehydration volume.

Referring to fig. 2, a first dewatering pipe 15 is arranged inside the first housing 11 and is in through connection with the first air inlet 12, the first drain outlet includes a first exhaust port 131 arranged on the first dewatering pipe 15, the first exhaust port 131 is in through connection with the second air inlet 22 through the conveying pipeline 3, the lower end of the first dewatering pipe 15 is further in communication with the drain pipe 14, a cooling cavity 16 is arranged inside the first housing 11 and is located between the first dewatering pipe 15 and the first housing 11, the first housing 11 is further provided with a first interface 17, the first interface 17 is connected with a refrigerating device 5, and the refrigerating device 5 can be communicated with the cooling cavity 16 through the first interface 17.

By adopting the above scheme, an installation opening for installing the first dewatering pipe 15 can be arranged on the first shell 11, the first shell 11 and the first dewatering pipe 15 can also be integrally formed during manufacturing, the second air inlet 22 is communicated with the first exhaust opening 131 through the conveying pipeline 3, at this time, a connection opening through which the conveying pipeline 3 passes can be formed on the side wall of the first shell 11, and then the connection position of the sealing material and the outer wall of the conveying pipeline 3 through the connection opening is compacted; the first dehydration tube 15 is also compacted by using a sealing material after being communicated with the first gas inlet 12, so that the refrigerant in the cooling cavity 16 is prevented from leaking, and the alkane gas flows into the first dehydration tube 15 through the first gas inlet 12; the first dewatering pipe 15 may be connected to the inner wall of the first housing 11 by screwing or welding. The refrigerating device 5 cools the alkane gas inside the first dehydration pipe 15 by supplying a refrigerant such as freon, saturated hydrocarbon refrigerant, or the like to the cooling chamber 16 to perform dehydration, and after the entire dehydration process is completed, the dehydrated water is discharged through the drain pipe 14. Through cooling down's mode is dehydrated, can avoid frequently changing, clear up the inside adsorbing material's the condition to reduce work load, raise the efficiency.

In some other embodiments of the present invention, the preliminary discharge port further includes a third gas outlet 132 disposed on the side wall of the first casing 11, and the gas after preliminary dehydration is made to flow into the conveying pipeline 3 through the third gas outlet 132 by disposing a filtering and adsorbing device in the first casing 11.

Referring to fig. 2, a slope finding structure 151 facing the inlet of the drain pipe 14 is provided on the lower side of the first dewatering pipe 15.

By adopting the above scheme, the slope finding structure 151 can enable the removed water to rapidly flow into the liquid discharge pipe 14, so as to prevent the water from staying on the inner wall of the first dehydration pipe 151 for a long time to influence the dehydration effect on the alkane gas.

Referring to fig. 2 and 3, a water outlet pipe 152 is arranged at the lower end of the slope finding structure 151, the water outlet pipe 152 extends into the liquid discharge pipe 14 to the lower end thereof, and a flexible sealing body 6 is arranged between the side wall of the water outlet pipe 152 and the inner side wall of the liquid discharge pipe 14.

Adopt above-mentioned scheme, through with outlet pipe 152 stretches into 14 can make the moisture that breaks away from get rid of more completely to its lower extreme in the flowing back pipe, flexible seal 6 can adopt materials such as silica gel, silicone grease, rubber, avoids the moisture that breaks away from to spill over.

Referring to fig. 5, the lower end of the liquid discharge pipe 14 is connected with a tee, and the tee is further connected with a drying device 71 and a water collecting bottle 72 respectively.

With the above scheme, the drying device 71 can generate heat to dry the first dehydrating pipe 15 when the dehydrating device is not in operation, so that residual moisture can be prevented from contacting alkane gas when the dehydrating device is used next time, thereby improving the dehydrating effect, and the water collecting bottle 72 can be used for uniformly collecting the dehydrated moisture.

Referring to fig. 2 and 4, a liquid adsorption plate 211 is disposed inside the second housing 21.

Adopt above-mentioned scheme, liquid adsorption plate 211 can adopt materials such as molecular sieve, aluminium oxide, adsorbs the dehydration again after the cooling dehydration and can promote the dehydration effect effectively, liquid adsorption plate 211 can adopt integrated into one piece or detachable mode with second casing 21 to be connected.

Referring to fig. 2 and 4, an oil-removing ceramic fiber plate 212 is further disposed inside the second housing 21 and below the liquid adsorption plate 211.

By adopting the above scheme, the oil in the alkane gas can be removed by the oil removing ceramic fiber plate 212, so that the requirement on the alkane gas such as laboratory use can be met by further purification, and the oil removing ceramic fiber plate 212 is arranged below the liquid adsorption plate 211, so that the liquid adsorption plate 211 can be prevented from being polluted.

Referring to fig. 2 and 4, a gas dispersion cylinder 213 is disposed inside the second housing 21 at the second gas inlet 22, and the gas dispersion cylinder 213 has a dispersion hole 2131.

By adopting the above scheme, the gas dispersion cylinder 213 covers the second gas inlet 22, and alkane gas can flow upwards through the dispersion holes 2131, so that the oil removal ceramic fiber plate 212 and the liquid adsorption plate 211 are more uniformly passed through, and the dewatering and deoiling effects are improved.

Referring to fig. 2 and 4, the liquid adsorption plate 211 and/or the oil-removing ceramic fiber plate 212 are provided in an upwardly convex shape.

By adopting the scheme, the liquid adsorption plate 211 and/or the oil removal ceramic fiber plate 212 are/is arranged to be in an upward convex shape, so that the flow area can be increased, the passing of gas is accelerated, and the upward convex shape can be in an arc shape, a conical shape and the like. The inner wall of the second casing 21 on the liquid adsorption plate 211 may be further coated with a water absorbing material such as activated alumina, which is not shown in the figures, so as to further enhance the dewatering effect.

Referring to fig. 2 and 4, a flow guide structure 214 matched with the second exhaust port 23 is disposed inside the second housing 21, and the flow guide structure 214 is connected to an inner wall of the second housing 21.

By adopting the above scheme, the flow guide structure 214 can guide alkane gas, so that the gas can flow into the discharge pipeline 4 in an aggregating manner, thereby accelerating the discharge of the gas and improving the dehydration efficiency.

In some other embodiments of the present invention, a fan 215 may be disposed at the bottom of the second casing 21 to accelerate the flow of the gas.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Claims

1. An alkane gas dehydration device, characterized in that: the device comprises a coarse dehydration device and a fine dehydration device, wherein the coarse dehydration device comprises a first shell (11), the first shell (11) is provided with a first air inlet (12), the fine dehydration device comprises a second shell (21), and the second shell (21) is provided with a second air inlet (22); the coarse dehydration device is provided with a primary discharge port and a liquid discharge pipe (14) positioned at the bottom of the primary discharge port; the fine dehydration device is provided with a second exhaust port (23), the primary exhaust port and the second air inlet (22) are connected through a conveying pipeline (3), and the second exhaust port (23) is connected through a discharge pipeline (4).

2. The alkane gas dehydration apparatus according to claim 1, characterized in that: first casing (11) inside be provided with first dehydration pipe (15) of first air inlet (12) through connection, the initial discharge mouth is including setting up first exhaust port (131) on first dehydration pipe (15), first exhaust port (131) pass through conveying line (3) through connection with second air inlet (22), first dehydration pipe (15) lower extreme still with fluid-discharge tube (14) intercommunication, first casing (11) inside is provided with and is located cooling cavity (16) between first dehydration pipe (15) and first casing (11), first casing (11) still is provided with first interface (17), first interface (17) are connected with refrigerating plant (5), refrigerating plant (5) can pass through first interface (17) and cooling cavity (16) intercommunication.

3. The alkane gas dehydration apparatus according to claim 2, characterized in that: a slope finding structure (151) facing to the inlet of the liquid discharge pipe (14) is arranged on the lower side of the first dewatering pipe (15).

4. The alkane gas dehydration apparatus according to claim 3, characterized in that: the lower end of the slope finding structure (151) is provided with a water outlet pipe (152), the water outlet pipe (152) extends into the liquid discharge pipe (14) to the lower end of the liquid discharge pipe, and a flexible sealing body (6) is arranged between the side wall of the water outlet pipe (152) and the inner side wall of the liquid discharge pipe (14).

5. The alkane gas dehydration apparatus according to claim 4, characterized in that: the lower end of the liquid discharge pipe (14) is connected with a tee joint, and the tee joint is also respectively connected with a drying device (71) and a water collecting bottle (72).

6. The alkane gas dehydration apparatus according to any of claims 1 to 5, characterized in that: the second shell (21) is internally provided with a liquid adsorption plate (211).

7. The alkane gas dehydration apparatus according to claim 6, characterized in that: the inside deoiling ceramic fiber board (212) that still is provided with of second casing (21) is located liquid adsorption plate (211) below.

8. The alkane gas dehydration apparatus according to claim 7, characterized in that: the second shell (21) is internally provided with a gas dispersion cylinder (213) at the second gas inlet (22), and the gas dispersion cylinder (213) is provided with dispersion holes (2131).

9. The alkane gas dehydration apparatus according to claim 7, characterized in that: the liquid adsorption plate (211) and/or the oil-removing ceramic fiber plate (212) are provided in an upwardly convex shape.

10. The alkane gas dehydration apparatus according to claim 6, characterized in that: the second shell (21) is internally provided with a flow guide structure (214) matched with the second exhaust port (23), and the flow guide structure (214) is connected with the inner wall of the second shell (21).