CN217236511U - Reflux tank of high-pressure depropanization tower - Google Patents

Abstract

The utility model discloses a high-pressure depropanization tower reflux tank, which belongs to the technical field of reflux tank equipment and comprises a reflux tank body, a cooling mechanism, a reflux piston and a piston driving mechanism, wherein an air inlet flange is arranged above the outer side of the reflux tank body, an air inlet cavity is arranged at the upper part of the inner side of the reflux tank body, a cooling cavity below the air inlet cavity is arranged at the inner side of the reflux tank body, the cooling mechanism is arranged in the cooling cavity, a pressure flow cavity below the cooling cavity is arranged at the inner side of the reflux tank body, a liquid inlet one-way valve is arranged between the pressure flow cavity and the cooling cavity, the reflux piston is arranged in the pressure flow cavity in a sliding manner, the piston driving mechanism is arranged at the outer side of the reflux tank body and is in transmission connection with the reflux piston, a reflux cavity below the pressure flow cavity is arranged at the inner side of the reflux tank body, a liquid outlet one-way valve is arranged between the pressure flow cavity and the reflux cavity, the outside of the backflow tank body is provided with a liquid return flange, the utility model discloses simple structure, convenient to use can control liquid gas and stabilize the backward flow.

Description

Reflux tank of high-pressure depropanizing tower

Technical Field

The utility model belongs to the technical field of the reflux tank equipment technique and specifically relates to a high pressure depropanizer reflux drum is related to.

Background

When petroleum gas is subjected to a depropanizing tower reaction, mixed gas generated by the reaction needs to be cooled into liquid through a reflux tank and then is recycled into the depropanizing tower for secondary separation, but the reflux tank in the prior art cannot control the flow of the liquid when the cooled liquid is output, when the refluxed liquid is too much, the condition of incomplete separation exists in the secondary separation process, when the refluxed liquid is too little, energy waste of equipment can be caused, and meanwhile, the loss of the equipment is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high pressure depropanization tower backward flow jar to solve the backward flow volume of the unable control liquid of backward flow jar among the prior art, there is the unstable technical problem of its flow that the loss is big in the water pump backward flow simultaneously.

The utility model provides a high-pressure depropanizing tower reflux tank, which comprises a reflux tank body, a cooling mechanism, a reflux piston and a piston driving mechanism, wherein an air inlet flange is arranged above the outer side of the reflux tank body, an air inlet cavity is arranged at the upper part of the inner side of the reflux tank body, the air inlet flange is communicated with the air inlet cavity, a cooling cavity positioned below the air inlet cavity is arranged at the inner side of the reflux tank body, the air inlet cavity is communicated with the cooling cavity, the cooling mechanism is arranged in the cooling cavity, a pressure flow cavity positioned below the cooling cavity is arranged at the inner side of the reflux tank body, the pressure flow cavity is in a cylindrical shape, a liquid inlet one-way valve is arranged between the pressure flow cavity and the cooling cavity, the reflux piston is arranged in the pressure flow cavity in a sliding manner, the piston driving mechanism is arranged at the outer side of the reflux tank body and is in transmission connection with the reflux piston, the reflux cavity positioned below the pressure flow cavity is arranged at the inner side of the reflux tank body, a liquid outlet one-way valve is arranged between the pressure flow cavity and the backflow cavity, a liquid return flange is arranged on the outer side of the backflow tank body, and the liquid return flange is communicated with the backflow cavity.

Further, piston actuating mechanism includes piston drive frame, driving motor, spacing sliding sleeve, slide bar, first swing arm and second swing arm, the piston drive frame sets up the side at the backward flow jar body, and the one end of first swing arm is rotated and is installed on the piston drive frame, the second swing arm is articulated each other with the other end of first swing arm, and on the driving motor transmission was connected to first swing arm, spacing sliding sleeve sets up the side that just is in the pressure flow chamber on the backward flow jar body, the slide bar is inserted and is established and pass spacing sliding sleeve, and the one end that the slide bar is in the backward flow jar body outside is connected with second swing arm bulb, and the other end and the backward flow piston transmission of slide bar are connected.

Furthermore, the number of the piston driving mechanisms is two, the two piston driving mechanisms are symmetrically arranged on two sides of the backflow tank body, and sliding rods in the two piston driving mechanisms are respectively connected to two sides of the backflow piston.

Furthermore, a driving motor is arranged in the two piston driving mechanisms, a swing chain wheel is arranged on each first swing arm in the two piston driving mechanisms, the driving motor is arranged between the two piston driving mechanisms, and a driving chain is respectively sleeved on the output end of the driving motor and the two swing chain wheels.

Furthermore, a plurality of air discharge grooves are distributed on the lower end face of the air inlet cavity in order.

Furthermore, the liquid inlet one-way valves are arranged on two sides above the pressure flow cavity respectively.

Furthermore, the liquid outlet one-way valves are two and are respectively arranged on two sides below the pressure flow cavity.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) the utility model discloses a steam in the high pressure depropanization tower is accepted to the chamber that admits air, thereby cool off steam through cooling body and make it condense into liquid, through the backward flow of backward flow piston control liquid backward flow, the backward flow piston carries out reciprocating motion in the pressure flow intracavity, when the backward flow piston moves from the right side left side, the water that is in the backward flow piston left side this moment can be kept somewhere in the backward flow chamber through going out the liquid check valve under the extrusion of backward flow piston, simultaneously in the process that the backward flow piston moves from the right side left side, water in the cooling chamber can be inhaled in the pressure flow chamber and be in the right side of backward flow piston, reciprocate with this, the backward flow piston exports the water of one side, again with the water suction of opposite side, thereby realize continuous backward flow, water flows to the backward flow chamber through going out the liquid check valve, and carry back to realize the backward flow in the high pressure depropanization tower at the uniform velocity, with this reflux jar in effectively solving prior art can's uncontrollable liquid reflux volume, meanwhile, the backflow of the water pump has the technical problem of large loss and unstable flow.

(2) The utility model discloses in set up two piston actuating mechanism, set up the output power that a piston actuating mechanism can evenly flow back the piston both sides respectively in the both sides of backward flow piston through the setting to make the backward flow piston be in steady state at reciprocating operation in-process, thereby guarantee that rivers export steadily.

(3) The utility model discloses in can drive two first swing arms simultaneously through a driving motor and rotate to this can guarantee that both sides piston actuating mechanism is in same frequency operation, thereby prevents that the first swing arm in both sides from having the rotational speed error and leading to the inhomogeneous damage equipment of backward flow piston atress.

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 perspective view of the present invention;

fig. 2 is a first cross-sectional view of the present invention in an operating state;

fig. 3 is a second cross-sectional view of the present invention in an operating state;

FIG. 4 is a schematic view of the side cut-away structure of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 6 is an enlarged schematic view of a portion B in fig. 2.

Reference numerals:

the device comprises a backflow tank body 1, an air inlet flange 11, a liquid return flange 12, a cooling mechanism 2, a backflow piston 3, a piston driving mechanism 4, a piston driving frame 41, a driving motor 42, a limiting sliding sleeve 43, a sliding rod 44, a first swinging arm 45, a second swinging arm 46, a swinging chain wheel 47, a driving chain 48, an air inlet cavity 5, an air release groove 51, a cooling cavity 6, a pressure flow cavity 7, an air inlet one-way valve 71, a liquid outlet one-way valve 72 and a backflow cavity 8.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "liquid level", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The embodiment of the utility model provides a high-pressure depropanizing tower reflux tank, which is shown in the following fig. 1 to 6, comprising a reflux tank body 1, a cooling mechanism 2, a reflux piston 3 and a piston driving mechanism 4, wherein an air inlet flange 11 is arranged above the outer side of the reflux tank body 1, an air inlet cavity 5 is arranged on the upper part of the inner side of the reflux tank body 1, the air inlet flange 11 is communicated with the air inlet cavity 5, and the air inlet flange 11 is communicated with a reflux port of the high-pressure depropanizing tower, so that high-temperature liquid steam in the operation process enters the air inlet cavity 5 through the air inlet flange 11;

a cooling cavity 6 which is positioned below the air inlet cavity 5 is arranged on the inner side of the backflow tank body 1, the air inlet cavity 5 is communicated with the cooling cavity 6, the cooling mechanism 2 is arranged in the cooling cavity 6, steam in the air inlet cavity 5 enters the cooling cavity 6, and the steam is cooled through the cooling mechanism 2, so that liquid in the steam is condensed and collected in the cooling cavity 6;

the backflow tank is characterized in that a pressure flow cavity 7 below a cooling cavity 6 is formed in the inner side of the backflow tank body 1, the pressure flow cavity 7 is arranged in a cylindrical shape, a liquid inlet one-way valve 71 is arranged between the pressure flow cavity 7 and the cooling cavity 6, the liquid inlet one-way valve 71 limits liquid in the cooling cavity 6 to flow into the pressure flow cavity 7 in a one-way mode, the liquid collected in the cooling cavity 6 can be controlled to enter the pressure flow cavity 7 through the arranged liquid inlet one-way valve 71, the backflow piston 3 is arranged in the pressure flow cavity 7 in a sliding mode, the piston driving mechanism 4 is arranged on the outer side of the backflow tank body 1 and is in transmission connection with the backflow piston 3, and the backflow piston 3 can be driven to move back and forth in the pressure flow cavity 7 through the piston driving mechanism 4;

the inner side of the reflux tank body 1 is provided with a reflux cavity 8 below the pressure flow cavity 7, a liquid outlet one-way valve 72 is arranged between the pressure flow cavity 7 and the reflux cavity 8, the liquid outlet one-way valve 72 limits liquid in the pressure flow cavity 7 to flow into the reflux cavity 8 in a one-way mode, a liquid return flange 12 is arranged on the outer side of the reflux tank body 1, the liquid return flange 12 is communicated with the reflux cavity 8, the liquid return flange 12 is communicated with a liquid return port of the high-pressure depropanizing tower, liquid in the cooling cavity 6 is pumped to the pressure flow cavity 7 in the reciprocating operation process of the reflux piston 3, meanwhile, the liquid in the pressure flow cavity 7 is pressed to the reflux cavity 8 at a constant speed, and finally the liquid is conveyed back to the high-pressure depropanizing tower through the liquid return flange 12 to complete reflux.

Preferably, the piston driving mechanism 4 comprises a piston driving frame 41, a driving motor 42, a limit sliding sleeve 43, a sliding rod 44, a first swing arm 45 and a second swing arm 46, the piston driving frame 41 is arranged at the side end of the backflow tank body 1, one end of the first swinging arm 45 is rotatably arranged on the piston driving frame 41, the second swing arm 46 and the other end of the first swing arm 45 are hinged to each other, and the driving motor 42 is drivingly connected to the first swing arm 45, the first swing arm 45 can be driven to rotate by the driving motor 42, the limit sliding sleeve 43 is arranged on the backflow tank body 1 and is positioned at the side end of the pressure flow cavity 7, the sliding rod 44 is inserted through the limit sliding sleeve 43, the limiting sliding sleeve 43 is used for limiting the sliding rod 44 to slide transversely, one end of the sliding rod 44, which is positioned outside the backflow tank body 1, is connected with the ball head of the second swing arm 46, and the other end of the sliding rod 44 is in transmission connection with the backflow piston 3;

in the operation process, the first swing arm 45 is driven to rotate by the driving motor 42, the second swing arm 46 is driven to synchronously operate by the first swing arm 45, and the sliding rod 44 is driven to reciprocate on the limiting sliding sleeve 43 by the swing of the second swing arm 46, so that the backflow piston 3 reciprocates in the pressure flow cavity 7.

Preferably, the number of the piston driving mechanisms 4 is two, the two piston driving mechanisms 4 are symmetrically arranged on two sides of the backflow tank body 1, the sliding rods 44 in the two piston driving mechanisms 4 are respectively connected to two sides of the backflow piston 3, and output forces on two sides of the backflow piston 3 can be equalized by respectively arranging one piston driving mechanism 4 on two sides of the backflow piston 3, so that the backflow piston 3 is in a stable state in a reciprocating operation process, and liquid flow is guaranteed to be stably output.

Preferably, set up a driving motor 42 in two piston drive mechanisms 4, be equipped with swing sprocket 47 on the first swing arm 45 in two piston drive mechanisms 4 all, driving motor 42 sets up between two piston drive mechanisms 4, and overlaps respectively on driving motor 42's output and two swing sprockets 47 and be equipped with a drive chain 48, can drive two first swing arms 45 simultaneously through a driving motor 42 and rotate to this can guarantee that both sides piston drive mechanism 4 is in same frequency operation, thereby prevent that there is rotational speed error in the first swing arm 45 of both sides and lead to the inhomogeneous damage equipment of backward flow piston 3 atress.

Preferably, a plurality of air release grooves 51 are distributed in order on the lower end face of the air inlet cavity 5, and the steam input into the cooling cavity 6 through the air inlet cavity 5 can be rectified through the arranged air release grooves 51, so that the steam is in a uniform state when entering the cooling cavity 6, and the cooling efficiency of the cooling mechanism 2 is improved.

Preferably, the liquid inlet check valves 71 are two, and two liquid inlet check valves 71 are respectively arranged on two sides above the pressure flow cavity 7, and the liquid inlet check valves 71 on two sides can meet the requirement that at least one liquid inlet check valve 71 exists when the backflow piston 3 moves leftwards or rightwards, so that the liquid in the cooling cavity 6 flows in.

Preferably, two liquid outlet one-way valves 72 are arranged, and the two liquid outlet one-way valves 72 are respectively arranged on two sides below the pressure flow cavity 7, so that the effect that at least one liquid outlet one-way valve 72 exists for discharging liquid to the backflow cavity 8 when the backflow piston 3 moves leftwards or rightwards can be met through the liquid outlet one-way valves 72 on the two sides.

The utility model discloses in the process of operation, communicate intake flange 11 and high-pressure depropanizing tower each other, will return liquid flange 12 and the liquid return mouth of high-pressure depropanizing tower and communicate, in the process of high-pressure depropanizing tower operation, high-pressure gas is carried to the air inlet cavity 5 through intake flange 11, the steam in the air inlet cavity 5 is combed through air release groove 51 and is evenly sprayed to cooling body 2, cool off steam through cooling body 2, thereby make the condensed liquid after the cooling gather in cooling cavity 6, start driving motor 42, drive first swing arm 45 through driving motor 42 and rotate, rethread first swing arm 45 drives second swing arm 46 and carries out synchronous operation, swing drive slide bar 44 through the swing of second swing arm 46 carries out the reciprocating motion on spacing sliding sleeve 43, thereby make backflow piston 3 carry out reciprocating motion in pressure flow cavity 7, when backflow piston 3 moves left from the right side, at the moment, liquid on the left side of the backflow piston 3 is extruded by the backflow piston 3 and is retained in the backflow cavity 8 through the liquid outlet one-way valve 72, meanwhile, in the process that the backflow piston 3 moves from the right side to the left side, liquid in the cooling cavity 6 is sucked into the pressure flow cavity 7 and is located on the right side of the backflow piston 3, reciprocating is achieved in the way, the backflow piston 3 presses out liquid on one side, then liquid on the other side is sucked in, continuous backflow is achieved, the liquid flows into the backflow cavity 8 through the liquid outlet one-way valve 72 and is conveyed back to the high-pressure depropanizer at a constant speed, and backflow is achieved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (7)

1. The high-pressure depropanization tower reflux tank comprises a cooling mechanism (2) and is characterized by further comprising a reflux tank body (1), the cooling mechanism (2), a reflux piston (3) and a piston driving mechanism (4), wherein an air inlet flange (11) is arranged above the outer side of the reflux tank body (1), an air inlet cavity (5) is arranged on the upper portion of the inner side of the reflux tank body (1), the air inlet flange (11) is communicated with the air inlet cavity (5), a cooling cavity (6) below the air inlet cavity (5) is arranged on the inner side of the reflux tank body (1), the air inlet cavity (5) is communicated with the cooling cavity (6), the cooling mechanism (2) is arranged in the cooling cavity (6), a pressure flow cavity (7) below the cooling cavity (6) is arranged on the inner side of the reflux tank body (1), the pressure flow cavity (7) is arranged in a cylindrical shape, and a liquid inlet one-way valve (71) is arranged between the pressure flow cavity (7) and the cooling cavity (6), backflow piston (3) slide to set up in pressure flow chamber (7), piston actuating mechanism (4) set up in the outside of the backward flow jar body (1) and be connected with backflow piston (3) transmission, the inboard of the backward flow jar body (1) is provided with backward flow chamber (8) that are in pressure flow chamber (7) below, be provided with out liquid check valve (72) between pressure flow chamber (7) and backward flow chamber (8), the outside of the backward flow jar body (1) is provided with back liquid flange (12), it communicates each other with backward flow chamber (8) to return liquid flange (12).

2. The high-pressure depropanizer reflux drum according to claim 1, wherein said piston driving mechanism (4) comprises a piston driving frame (41), a driving motor (42), a limiting sliding sleeve (43), a sliding rod (44), a first swinging arm (45) and a second swinging arm (46), said piston driving frame (41) is disposed at the side end of reflux drum (1), one end of said first swinging arm (45) is rotatably mounted on said piston driving frame (41), said second swinging arm (46) is hinged with the other end of said first swinging arm (45), said driving motor (42) is drivingly connected to said first swinging arm (45), said limiting sliding sleeve (43) is disposed on reflux drum (1) and at the side end of pressure flow cavity (7), said sliding rod (44) is inserted through said limiting sliding sleeve (43), the end of said sliding rod (44) at the outer side of reflux drum (1) is connected to said second swinging arm (46), the other end of the sliding rod (44) is in transmission connection with the backflow piston (3).

3. The reflux drum of high-pressure depropanizer according to claim 2, wherein there are two piston driving mechanisms (4), and the two piston driving mechanisms (4) are symmetrically arranged at two sides of the reflux drum body (1), and the sliding rods (44) of the two piston driving mechanisms (4) are respectively connected to two sides of the reflux piston (3).

4. The reflux drum of high-pressure depropanizer according to claim 3, wherein a driving motor (42) is disposed in two piston driving mechanisms (4), a swing chain wheel (47) is disposed on a first swing arm (45) of the two piston driving mechanisms (4), the driving motor (42) is disposed between the two piston driving mechanisms (4), and a driving chain (48) is respectively sleeved on an output end of the driving motor (42) and the two swing chain wheels (47).

5. The reflux drum for high-pressure depropanizer according to claim 1, wherein a plurality of air-bleed slots (51) are regularly distributed on the lower end surface of said air inlet chamber (5).

6. The reflux drum of high-pressure depropanizer according to claim 1, wherein said inlet check valves (71) are provided in two numbers, and two inlet check valves (71) are respectively disposed at two sides above the pressure flow chamber (7).

7. The reflux drum for high-pressure depropanizer according to claim 1, wherein there are two outlet check valves (72), and the two outlet check valves (72) are respectively disposed at two sides under the pressure flow chamber (7).

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