Molecular sieve adsorption device for dehydration of natural gas

Abstract

The molecular sieve adsorption device comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a supporting seat, the upper surface of the supporting seat is fixedly connected with a natural gas dehydration pipeline, and the left side face of the natural gas dehydration pipeline is fixedly communicated with a gas inlet pipeline. The right side face of the natural gas dehydration pipeline fixedly communicates with a gas outlet pipeline, a heater is arranged below the natural gas dehydration pipeline, the output end of the heater fixedly communicates with an input pipe, and the top end of the input pipe fixedly communicates with the outer surface of the natural gas dehydration pipeline. Through cooperation of the heater, the input pipe, the output pipe, the nitrogen refrigerator, the first pipeline and the second pipeline, a molecular sieve in the natural gas dehydration pipeline adsorbs moisture in natural gas, when moisture in the molecular sieve is adsorbed out, the heater is firstly used for evaporating moisture, and then the nitrogen refrigerator is used for cooling; the adsorption treatment on the moisture in the molecular sieve is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to natural gas dehydration technical field especially a molecular sieve adsorption device for natural gas dehydration. BACKGROUND

[0002] The reasons of natural gas dehydration include preventing hydrate from blocking pipeline, valve and the like, avoiding weak acid corrosion pipeline, and local gathering leading to reducing gas transmission and increasing flow pressure drop, and the dehydration methods mainly include three categories of low temperature separation, solid desiccant adsorption and solvent absorption.

[0003] Natural gas contains a small amount of moisture, and long time circulation in the pipeline can cause pipeline or valve blockage, and reduce the purity of natural gas, which is not conducive to the use of weather gas, so that the natural gas needs to be dehydrated, and at present, the molecular sieve is mostly used for natural gas dehydration in the natural gas dehydration pipeline, but the molecular sieve adsorbs more moisture after long time dehydration of natural gas, and cannot continue to dehydrate natural gas, and the replacement of new molecular sieve leads to high dehydration cost.

[0004] Therefore, we provide a molecular sieve adsorption device for natural gas dehydration to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a molecular sieve adsorption device for natural gas dehydration to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A molecular sieve adsorption device for natural gas dehydration, including the bottom plate, the upper surface of the bottom plate is fixedly connected with the support seat, the upper surface of the support seat is fixedly connected with the natural gas dehydration pipeline, the left side of the natural gas dehydration pipeline is fixedly connected with the gas inlet pipeline, the right side of the natural gas dehydration pipeline is fixedly connected with the gas outlet pipeline, the lower part of the natural gas dehydration pipeline is equipped with the heater, the output of the heater is fixedly connected with the input pipe, the top of the input pipe is fixedly connected with the outer surface of the natural gas dehydration pipeline, the input of the heater is fixedly connected with the output pipe, the top of the output pipe is fixedly connected with the outer surface of the natural gas dehydration pipeline, the upper surface of the bottom plate is fixedly connected with the nitrogen refrigerating machine, the output of the nitrogen refrigerating machine is fixedly connected with the first pipeline, the rear end of the first pipeline is fixedly connected with the outer surface of the natural gas dehydration pipeline, the input of the nitrogen refrigerating machine is fixedly connected with the second pipeline, the rear end of the second pipeline is fixedly connected with the outer surface of the natural gas dehydration pipeline.

[0008] In further embodiments, the outer surface of the gas inlet pipeline is provided with a first valve, and the outer surface of the gas outlet pipeline is provided with a second valve.

[0009] In further embodiments, the upper surface of the bottom plate is fixedly connected with two support blocks, and the upper surfaces of the two support blocks are fixedly connected with the outer surface of the heater.

[0010] In further embodiments, the outer surface of the heater is fixedly connected with a blowdown pipe, and the front surface of the nitrogen refrigeration machine is fixedly connected with a control panel.

[0011] In further embodiments, the upper surface of the nitrogen refrigeration machine is fixedly connected with a refrigeration display lamp, and the outer surface of the heater is fixedly connected with a heating display lamp.

[0012] In further embodiments, the right side surface of the nitrogen refrigeration machine is provided with a plurality of heat dissipation holes.

[0013] Compared with the prior art, the device has the following advantages:

[0014] The device cooperates the natural gas dehydration pipeline, the gas inlet pipeline, the gas outlet pipeline, the first valve and the second valve, and the natural gas circulates in the gas inlet pipeline, the natural gas dehydration pipeline and the gas outlet pipeline. The first valve and the second valve control the circulation of the natural gas, thereby controlling the circulation of the natural gas. The device cooperates the heater, the input pipe, the output pipe, the nitrogen refrigeration machine, the first pipeline and the second pipeline, and the molecular sieve in the natural gas dehydration pipeline adsorbs the water in the natural gas. When the water in the molecular sieve is adsorbed, the heater is used to evaporate the water first, and then the nitrogen refrigeration machine is used to cool, thereby realizing the adsorption treatment of the water in the molecular sieve, and reducing the use cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of a molecular sieve adsorption device for natural gas dehydration.

[0016] Figure 2 It is a rear view structural schematic diagram of a molecular sieve adsorption device for natural gas dehydration.

[0017] Figure 3 It is a side view structural schematic diagram of a molecular sieve adsorption device for natural gas dehydration.

[0018] Figure 4 It is a front view structural schematic diagram of a molecular sieve adsorption device for natural gas dehydration.

[0019] In the figure: 1, the base plate; 2, support seat; 3, natural gas dehydration pipeline; 4, gas inlet pipeline; 5, gas outlet pipeline; 6, heater; 7, input pipe; 8, output pipe; 9, nitrogen refrigeration machine; 10, first pipeline; 11, second pipeline; 12, first valve; 13, second valve; 14, support block; 15, blowdown pipe; 16, control panel; 17, refrigeration display lamp; 18, heating display lamp; 19, heat dissipation hole. DETAILED DESCRIPTION

[0020] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0021] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the present application.

[0023] Please refer to Figures 1-4The utility model discloses a molecular sieve adsorption device for natural gas dehydration, including bottom plate 1, the upper surface fixed connection of bottom plate 1 has the support seat 2, the upper surface fixed connection of support seat 2 has natural gas dehydration pipeline 3, the left side fixed communication of natural gas dehydration pipeline 3 has the gas inlet pipeline 4, the right side fixed communication of natural gas dehydration pipeline 3 has the gas outlet pipeline 5, and the lower portion of natural gas dehydration pipeline 3 is equipped with heater 6, and the output fixed communication of heater 6 has input pipe 7, and the top of input pipe 7 is fixed with the outer surface fixed communication of natural gas dehydration pipeline 3, and the input fixed communication of heater 6 has output pipe 8, and the top of output pipe 8 is fixed with the outer surface fixed communication of natural gas dehydration pipeline 3, and the upper surface fixed connection of bottom plate 1 has nitrogen refrigerating machine 9, and the output fixed communication of nitrogen refrigerating machine 9 has first pipeline 10, and the rear end of first pipeline 10 is fixed with the outer surface fixed communication of natural gas dehydration pipeline 3, and the input fixed communication of nitrogen refrigerating machine 9 has second pipeline 11, and the rear end of second pipeline 11 is fixed with the outer surface fixed communication of natural gas dehydration pipeline 3, and support seat 2 supports natural gas dehydration pipeline 3, increases its height, and the installation of heater 6 is convenient, and natural gas circulates in gas inlet pipeline 4, natural gas dehydration pipeline 3 and gas outlet pipeline 5, and the molecular sieve in natural gas dehydration pipeline 3 carries out dehydration treatment to the moisture in natural gas.

[0024] The outer surface of gas inlet pipeline 4 is equipped with first valve 12, and the outer surface of gas outlet pipeline 5 is equipped with second valve 13, and the upper surface fixed connection of bottom plate 1 has two support blocks 14, and the upper surface of two support blocks 14 is fixed with the outer surface of heater 6, and the outer surface fixed communication of heater 6 has blowdown pipe 15, and the front fixed connection of nitrogen refrigerating machine 9 has control panel 16, and first valve 12 and second valve 13 switch control gas inlet pipeline 4 and gas outlet pipeline 5 respectively, and the circulation of natural gas is controlled, so that the subsequent adsorption treatment of molecular sieve is facilitated, and support block 14 supports heater 6, and the stability of heater 6 is increased, and blowdown pipe 15 discharges the sewage impurities in heater 6, and continuous use is facilitated, and control panel 16 controls heater 6 and nitrogen refrigerating machine 9, and the practicability of the device is improved.

[0025] The upper surface fixed connection of nitrogen refrigerating machine 9 has refrigeration display lamp 17, and the outer surface fixed connection of heater 6 has heating display lamp 18, and the right side of nitrogen refrigerating machine 9 is equipped with a plurality of heat dissipation holes 19, and heat dissipation hole 19 carries out heat dissipation treatment to nitrogen refrigerating machine 9, and high temperature situation after long time use is avoided.

[0026] The working principle of the utility model is:

[0027] Firstly, the natural gas flowing in the natural gas dehydration pipeline 3 is dehydrated by the molecular sieve in the natural gas dehydration pipeline 3, and after a long time of dehydration, the molecular sieve needs to be treated by adsorbing water, the water vapor is transported into the natural gas dehydration pipeline 3 by the heater 6 to treat the molecular sieve by adsorbing water, and then flows back to the heater 6, after the adsorbing water is completed, the molecular sieve in the natural gas dehydration pipeline 3 is cooled by the nitrogen refrigerating machine 9, so that the adsorption of the molecular sieve is completed.

[0028] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments but can be implemented in other embodiments without departing from the scope of the present application. The scope of the application is defined by the appended claims rather than by the exemplary embodiments described above, therefore all changes coming within the meaning and equivalency range of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims to the features or embodiments with which they are associated.

[0029] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every exemplary embodiment contains all features. The specification is written with a certain degree of apparent separability for clarity and ease of reading only. Those skilled in the art should consider the specification as a whole and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A molecular sieve adsorption apparatus for the dehydration of natural gas, characterized by: The utility model relates to a natural gas dehydration pipeline, including bottom plate (1), the upper surface of bottom plate (1) is fixedly connected with support seat (2), the upper surface of support seat (2) is fixedly connected with natural gas dehydration pipeline (3), the left side of natural gas dehydration pipeline (3) is fixedly connected with the gas inlet pipeline (4), the right side of natural gas dehydration pipeline (3) is fixedly connected with the gas outlet pipeline (5), the lower of natural gas dehydration pipeline (3) is equipped with heater (6), the output of heater (6) is fixedly connected with input pipe (7), the top of input pipe (7) with the outer surface of natural gas dehydration pipeline (3) is fixedly connected, the input of heater (6) is fixedly connected with output pipe (8), the top of output pipe (8) with the outer surface of natural gas dehydration pipeline (3) is fixedly connected, the upper surface of bottom plate (1) is fixedly connected with nitrogen refrigeration machine (9), the output of nitrogen refrigeration machine (9) is fixedly connected with first pipeline (10), the rear end of first pipeline (10) with the outer surface of natural gas dehydration pipeline (3) is fixedly connected, the input of nitrogen refrigeration machine (9) is fixedly connected with second pipeline (11), the rear end of second pipeline (11) with the outer surface of natural gas dehydration pipeline (3) is fixedly connected.

2. A molecular sieve adsorption apparatus for dehydrating natural gas according to claim 1, characterized in that: The outer surface of the gas inlet pipeline (4) is provided with a first valve (12), and the outer surface of the gas outlet pipeline (5) is provided with a second valve (13).

3. The molecular sieve adsorption apparatus for dehydrating natural gas according to claim 1, characterized in that: The upper surface of the bottom plate (1) is fixedly connected with two support blocks (14), and the upper surfaces of the two support blocks (14) are fixedly connected with the outer surface of the heater (6).

4. The molecular sieve adsorption apparatus for dehydrating natural gas according to claim 1, characterized by: The outer surface of the heater (6) is fixedly connected with a blowdown pipe (15), and the front surface of the nitrogen refrigeration machine (9) is fixedly connected with a control panel (16).

5. The molecular sieve adsorption apparatus for dehydrating natural gas according to claim 1, characterized in that: The upper surface of the nitrogen refrigeration machine (9) is fixedly connected with a refrigeration display lamp (17), and the outer surface of the heater (6) is fixedly connected with a heating display lamp (18).

6. A molecular sieve adsorption apparatus for dehydrating natural gas according to claim 1, characterized by: The right side surface of the nitrogen refrigeration machine (9) is provided with a plurality of heat dissipation holes (19).

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