Low-temperature purifier for natural gas production

Abstract

The utility model discloses a low-temperature purifier for natural gas production, which belongs to the technical field of natural gas production and comprises a reaction tank, a turning motor arranged at the top of the reaction tank, a transmission shaft arranged inside the reaction tank, an auger arranged on the periphery of the transmission shaft, and a first spoiler arranged on the periphery of the top end of the transmission shaft through a shaft sleeve. A connecting ring is arranged at the tail end of the first spoiler, a first gas inlet and a second gas inlet are formed in the two sides of the top end of the reaction tank correspondingly, and inclined bent pipes are arranged at one ends of the first gas inlet and the second gas inlet correspondingly; a first spoiler is blown to rotate around a transmission shaft under the action of a shaft sleeve, and is matched with a connecting ring and an extension rod to drive a second spoiler to synchronously rotate, so that gas blown below the first spoiler is converged to the position of the transmission shaft, and then is matched with a turnover motor and an auger to turn over the gas, so that the mixing efficiency of the two gases is improved, and the mixing efficiency of the two gases is improved. Therefore, the purification effect of the natural gas is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to natural gas production technical field, concretely relates to a low temperature purifier for natural gas production. BACKGROUND

[0002] Natural gas refers to a kind of combustible gas existing in nature, is a fossil fuel, including the gas (including oilfield gas, gas field gas, mud volcano gas, coalbed gas and biogenic gas etc.) formed in atmosphere, hydrosphere and lithosphere, and the definition of "natural gas" that people have used for a long time is the narrow definition from energy angle, refers to the mixture of hydrocarbon and non-hydrocarbon gas naturally stored in stratum, in petroleum geology, usually refers to oilfield gas and gas field gas, its composition is mainly hydrocarbon and contains non-hydrocarbon gas, so yellow or blue flame is generated when burning, natural gas is stored in underground porous rock layer, including oilfield gas, gas field gas, coalbed gas, mud volcano gas and biogenic gas etc., and a small amount is out of coal seam, it is high-quality fuel and chemical raw material.

[0003] At present, in the existing natural gas production process, natural gas needs to be purified, reaction gas and natural gas are purified in the reaction tank, but in the purification process, due to the different densities of reaction gas and natural gas, stratification phenomenon occurs in the inside of the reaction tank, the reaction rate of the two gases is reduced, and the purification effect of natural gas is also reduced, therefore, we propose a low temperature purifier for natural gas production. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a low temperature purifier for natural gas production to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a low temperature purifier for natural gas production, including reaction tank, auger and first spoiler, the top center position of reaction tank is fixedly installed with upheaval motor, the inside center position of reaction tank is movably connected with transmission shaft through sealing bearing, the top of transmission shaft is fixedly connected with the output shaft end of upheaval motor, the outer periphery of transmission shaft is fixedly welded with auger, the auger is arranged in the outer periphery of transmission shaft in spiral form, the outer periphery of the top end of transmission shaft is movably provided with first spoiler through the shaft sleeve, the end of first spoiler is provided with connecting ring, the two ends of first spoiler are fixedly connected with the outer periphery of shaft sleeve and the inner wall of connecting ring respectively, first spoiler is obliquely arranged between connecting ring and shaft sleeve, the top relative two sides of reaction tank are provided with first gas inlet and second gas inlet respectively, the end of first gas inlet and second gas inlet extending to the inside of reaction tank is provided with inclined elbow, and the inclined elbow on first gas inlet and second gas inlet is reversely arranged.

[0006] Preferably, the bottom of the connecting ring is provided with an extension rod, the top of the extension rod is fixedly connected with the connecting ring by welding, and the side of the extension rod facing the transmission shaft is provided with a second spoiler.

[0007] Preferably, the bottom of the reaction tank is provided with a support frame, and the top center of the support frame is movably connected with the bottom of the transmission shaft through a bearing.

[0008] Preferably, the outer side of the reaction tank is provided with a condenser, the bottom of the condenser is provided with a condensing pipe extending into the reaction tank, and the bottom of the condensing pipe is in a meandering spiral structure.

[0009] Preferably, the bottom center of the reaction tank is provided with an air outlet, and the top end of the air outlet extends to the inner bottom end of the reaction tank.

[0010] Preferably, the bottom end of the reaction tank is provided with a support base, and the support base is fixedly installed on the outer side bottom end of the reaction tank by welding.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The natural gas and the reaction gas blown in through the first gas inlet and the second gas inlet drive the first spoiler to rotate around the transmission shaft under the action of the shaft sleeve, and the second spoiler is driven to rotate synchronously in cooperation with the connecting ring and the extension rod, the gas blown below the first spoiler is gathered to the position of the transmission shaft, and the gas is stirred in cooperation with the stirring motor and the auger, so that the mixing efficiency of the two kinds of gas is improved, and the purification effect of the natural gas is improved.

[0013] 2. The direction of blowing of the natural gas and the reaction gas is changed by using the inclined elbow pipe, so that the two kinds of reaction gas can fully contact the first spoiler, and the shaft sleeve is used to realize the purpose of driving the first spoiler to rotate, and ensure stable rotation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a whole structure schematic view of the utility model;

[0015] Fig. 2 It is a reaction tank internal structure schematic view of the utility model;

[0016] Fig. 3 It is a first spoiler and second spoiler structure schematic view of the utility model.

[0017] In the figure: 1, reaction tank; 2, condenser; 3, condenser tube; 4, tumbling motor; 5, transmission shaft; 6, auger; 7, support frame; 8, connecting ring; 9, first spoiler; 10, shaft sleeve; 11, extension rod; 12, second spoiler; 13, first air inlet; 14, second air inlet; 15, inclined elbow; 16, air outlet; 17, support base. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figs. 1-3 The utility model provides a kind of natural gas production with low temperature purifier technical scheme: including reaction tank 1, auger 6 and first spoiler 9, reaction tank 1 top center position is fixedly installed with tumbling motor 4, the inside center position of reaction tank 1 is movably connected with transmission shaft 5 by sealing bearing, the top of transmission shaft 5 is fixedly connected with the output shaft end of tumbling motor 4, transmission shaft 5 is fixedly welded with auger 6 on the outer periphery, auger 6 is arranged in the form of spiral on the outer periphery of transmission shaft 5, the outer periphery of the top end of transmission shaft 5 is movably provided with first spoiler 9 by the shaft sleeve 10 provided, the end of first spoiler 9 is provided with connecting ring 8, the two ends of first spoiler 9 are fixedly connected with the outer periphery of shaft sleeve 10 and the inner wall of connecting ring 8 respectively, first spoiler 9 is obliquely arranged between connecting ring 8 and shaft sleeve 10, the top relative two sides of reaction tank 1 are provided with first air inlet 13 and second air inlet 14 respectively, and the end of first air inlet 13 and second air inlet 14 extending to the inside of reaction tank 1 is provided with inclined elbow 15, and the inclined elbow 15 on first air inlet 13 and second air inlet 14 is reversely arranged.

[0020] Specifically, the outer periphery of the bottom of connecting ring 8 is provided with extension rod 11, the top of extension rod 11 is fixedly connected with connecting ring 8 by welding, the side of extension rod 11 towards transmission shaft 5 is provided with second spoiler 12, and second spoiler 12 is obliquely arranged on the side of extension rod 11.

[0021] Specifically, the bottom of reaction tank 1 is provided with support frame 7, and the top center position of support frame 7 is movably connected with the bottom of transmission shaft 5 by bearing.

[0022] Specifically, the outside of reaction tank 1 is provided with condenser 2, the bottom of condenser 2 is provided with condenser tube 3 extending into reaction tank 1, and the bottom of condenser tube 3 is in a meandering spiral structure.

[0023] Specifically, the bottom center position of the reaction tank 1 is provided with a gas outlet 16, and the top end of the gas outlet 16 extends to the inside bottom end of the reaction tank 1.

[0024] Specifically, the bottom end of the reaction tank 1 is provided with a support base 17, and the support base 17 is fixedly installed on the outside bottom end of the reaction tank 1 by welding.

[0025] In the embodiment, during use, natural gas and reaction gas are respectively introduced through the first gas inlet 13 and the second gas inlet 14, and the natural gas and the reaction gas are guided to the upper side of the first baffle plate 9 through the two oppositely arranged inclined elbow pipes 15. The gas is fully contacted by the first baffle plate 9 arranged at an inclination, and the gas flowing out of the inclination is used to drive the first baffle plate 9 to rotate with the connecting ring 8 through the cooperation of the shaft sleeve 10. The rotation of the first baffle plate 9 around the transmission shaft 5 causes the formation of an air flow on the inner side of the connecting ring 8, and the natural gas and the reaction gas are blown to the lower side of the first baffle plate 9. At the same time, the rotation of the connecting ring 8 drives the rotation of the extension rod 11, thereby synchronously rotating the second baffle plate 12. The inclined second baffle plate 12 disturbs the gas on the inner side below the connecting ring 8, so that it converges in the direction of the transmission shaft 5. Finally, the transmission shaft 5 is driven to rotate by the tumbling motor 4, thereby driving the auger 6 to rotate around the transmission shaft 5. In this way, the gas on the outer periphery of the transmission shaft 5 is upwardly tumbled, so that the two kinds of gas can be uniformly mixed and reacted, the mixing efficiency is improved, the purification effect of the natural gas is improved, and finally the natural gas is discharged through the gas outlet 16.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cryogenic purifier for natural gas production, comprising a reaction vessel (1), an auger (6), and a first baffle plate (9), characterized in that: A surging motor (4) is fixedly installed at the top center of the reaction vessel (1). A drive shaft (5) is movably connected to the inner center of the reaction vessel (1) via a sealed bearing. The top of the drive shaft (5) is fixedly connected to the end of the output shaft of the surging motor (4). An auger (6) is fixedly welded to the outer periphery of the drive shaft (5). The auger (6) is arranged in a spiral form on the outer periphery of the drive shaft (5). A first baffle plate (9) is movably arranged on the outer periphery of the top of the drive shaft (5) via a bushing (10). A connecting ring (8) is provided at the end of the first baffle plate (9). The first baffle (9) is fixedly connected at both ends to the outer periphery of the bushing (10) and the inner wall of the connecting ring (8), respectively. The first baffle (9) is inclined between the connecting ring (8) and the bushing (10). The top of the reaction tank (1) is provided with a first air inlet (13) and a second air inlet (14) on opposite sides. The first air inlet (13) and the second air inlet (14) are both provided with an inclined bend (15) at one end extending into the interior of the reaction tank (1). The inclined bends (15) on the first air inlet (13) and the second air inlet (14) are arranged in opposite directions.

2. The cryogenic purifier for natural gas production according to claim 1, characterized in that: An extension rod (11) is provided on the bottom outer periphery of the connecting ring (8). The top of the extension rod (11) is fixedly connected to the connecting ring (8) by welding. A second spoiler (12) is provided on the side of the extension rod (11) facing the drive shaft (5). The second spoiler (12) is inclined on one side of the extension rod (11).

3. A cryogenic purifier for natural gas production according to claim 1, characterized in that: The bottom of the reaction vessel (1) is provided with a support frame (7), and the top center of the support frame (7) is movably connected to the bottom of the transmission shaft (5) through a bearing.

4. A cryogenic purifier for natural gas production according to claim 1, characterized in that: A condenser (2) is provided on the outer side of the reaction vessel (1), and a condenser pipe (3) extending into the reaction vessel 1 is provided at the bottom of the condenser (2). The bottom of the condenser pipe (3) has a meandering spiral structure.

5. A cryogenic purifier for natural gas production according to claim 1, characterized in that: The reaction vessel (1) has an outlet (16) at the center of its bottom, and the top of the outlet (16) extends to the bottom of the reaction vessel (1).

6. A cryogenic purifier for natural gas production according to claim 1, characterized in that: A support base (17) is provided on the outer periphery of the bottom of the reaction vessel (1), and the support base (17) is fixedly installed on the bottom of the outer side of the reaction vessel (1) by welding.

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