CN213955771U

CN213955771U - Natural gas liquefaction device with remote monitoring

Info

Publication number: CN213955771U
Application number: CN202022478794.6U
Authority: CN
Inventors: 龚晓科; 杨敏; 刘云辉; 高磊
Original assignee: Ningxia Kai Tian Gas Development Co ltd
Current assignee: Ningxia Kai Tian Gas Development Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-13
Anticipated expiration: 2030-10-30

Abstract

The utility model is suitable for the technical field of natural gas production equipment, and provides a natural gas liquefaction device with remote monitoring; the method comprises the following steps: the shock-absorbing support comprises a base and a support seat arranged on the base through shock-absorbing support legs; a cooling cylinder is fixedly arranged on the supporting seat, the interior of the cooling cylinder is divided into a cooling cavity and a circulating cavity by an annular partition plate, and the circulating cavity is sleeved on the outer side of the cooling cavity; the cooling cavity is used for containing natural gas which needs to be cooled, and a flowing cooling medium is arranged in the circulating cavity; a piston is arranged in the cooling cavity in a reciprocating manner, a reciprocating rod penetrating through the cooling cavity is fixedly arranged on the piston, and a reciprocating mechanism for driving the reciprocating rod to drive the piston to reciprocate is further arranged on the supporting seat; the reciprocating mechanism comprises two driving rods fixedly installed at one end, far away from the piston, of the reciprocating rod, the two driving rods are respectively provided with a driving groove middle bulge inserted into the reciprocating lead screws of the two autorotations, and the bulges are arranged in the driving grooves in a sliding mode.

Description

Natural gas liquefaction device with remote monitoring

Technical Field

The utility model relates to a natural gas production facility technical field specifically is a natural gas liquefaction device with remote monitoring.

Background

Liquefied natural gas as a clean fuel is widely applied to the fields of industry, civil use, automobile fuel and the like, and at present, many areas without natural gas resources are prepared to use the liquefied natural gas to solve the problems of industrial, civil use and automobile fuel.

There is certain vibration in the transportation in current miniature natural gas liquefaction device, and prior art does not handle the vibration, and then leads to the components and parts on the equipment to receive strong vibration, influences life, consequently provides a natural gas liquefaction device with remote monitoring now and solves this technical problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a natural gas liquefaction device with remote monitoring to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a natural gas liquefaction plant with remote monitoring comprising: the shock-absorbing support comprises a base and a support seat arranged on the base through shock-absorbing support legs; a cooling cylinder is fixedly arranged on the supporting seat, the interior of the cooling cylinder is divided into a cooling cavity and a circulating cavity by an annular partition plate, and the circulating cavity is sleeved on the outer side of the cooling cavity; the cooling cavity is used for containing natural gas which needs to be cooled, and a flowing cooling medium is arranged in the circulating cavity;

a piston is arranged in the cooling cavity in a reciprocating manner, a reciprocating rod penetrating through the cooling cavity is fixedly arranged on the piston, and a reciprocating mechanism for driving the reciprocating rod to drive the piston to reciprocate is further arranged on the supporting seat;

the reciprocating mechanism comprises two driving rods fixedly installed at one end, far away from the piston, of the reciprocating rod, the two driving rods are respectively provided with a driving groove middle bulge inserted into the reciprocating lead screws of the two autorotations, and the bulges are arranged in the driving grooves in a sliding mode.

As a further aspect of the present invention: the annular partition plate is arranged on one side inside the circulating cavity and provided with arc-shaped bulges in an array mode.

As a further aspect of the present invention: the two reciprocating screw rods are rotatably installed on the support on the supporting seat, the two reciprocating screw rods are fixedly sleeved with first gears respectively, the two first gears are meshed with two sides of a second gear respectively, the second gear is arranged at the output end of a driving motor, and the driving motor is fixedly installed on the supporting seat.

As a further aspect of the present invention: shock attenuation landing leg is including setting up the end plate at both ends, and the end plate at both ends is fixed mounting respectively on supporting seat and base, and wherein fixed mounting has the slide bar on the end plate of upper end, slide bar lower extreme slidable mounting is inside the fixed block from top to bottom, fixed block fixed mounting is on the end plate of lower extreme, the fixed block outside still overlaps and is equipped with the elastic component, both ends difference fixed mounting is on the end plate of both ends about the elastic component.

As a further aspect of the present invention: and a first input port and a first exhaust port are arranged on the circulating cavity.

As a further aspect of the present invention: and a second input port are arranged on the cooling cavity.

As a further aspect of the present invention: and a first control valve is arranged on the second input port.

As a further aspect of the present invention: and a second control valve is arranged on the second input port.

Compared with the prior art, the beneficial effects of the utility model are that: two come and go the lead screw and rotate, set up respectively in coming and going the pole both sides, and then make to come and go the pole reciprocating motion that can be stable in succession, and then make to go and go the pole and drive the piston at cooling intracavity portion reciprocating slide, can get into the natural gas to the cooling intracavity portion of intermittent type and exert pressure, inhale away the heat that the natural gas liquefaction produced in the circulation chamber simultaneously for the natural gas liquefaction can be carried out to the cooling intracavity portion, through last shock attenuation landing leg simultaneously, reduce the vibration during operation, and then improve equipment practical life. The utility model discloses a carry out the liquefaction to the natural gas in succession, reduce equipment vibration, improve equipment life.

Drawings

Fig. 1 is a schematic diagram of a natural gas liquefaction plant with remote monitoring.

Fig. 2 is an enlarged view of a portion a in fig. 1.

FIG. 3 is a cross-sectional view of a cooling cartridge in a natural gas liquefaction plant with remote monitoring.

In the figure: the device comprises a supporting seat-1, a damping supporting leg-2, a base-3, a driving motor-4, a reciprocating screw rod-5, a first gear-6, a second gear-7, a driving rod-8, a reciprocating rod-9, a cooling cylinder-10, a cooling cavity-11, a circulating cavity-12, a first exhaust port-13, a first input port-14, a second input port-15, a second exhaust port-16, a first control valve-17, a second control valve-18, a controller-19, an output assembly-20, an end plate-21, a fixed block-22, a sliding rod-23 and an elastic element-24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Please refer to fig. 1-3, in embodiment 1 of the present invention, for the embodiment of the present invention provides a structure diagram of a natural gas liquefaction device with remote monitoring, including: the shock-absorbing support comprises a base 3 and a support seat 1 which is arranged on the base 3 through a shock-absorbing support leg 2; a cooling cylinder 10 is fixedly installed on the supporting seat 1, the interior of the cooling cylinder 10 is divided into a cooling cavity 11 and a circulating cavity 12 by an annular partition plate, and the circulating cavity 12 is sleeved on the outer side of the cooling cavity 11; the cooling cavity 11 is used for placing natural gas which needs to be cooled, and a flowing cooling medium is arranged in the circulating cavity 12;

a piston is arranged in the cooling cavity 11 in a reciprocating manner, a reciprocating rod 9 penetrating through the cooling cavity 11 is fixedly arranged on the piston, and a reciprocating mechanism for driving the reciprocating rod 9 to drive the piston to reciprocate is further arranged on the supporting seat 1, so that natural gas intermittently entering the reciprocating rod 9 can be compressed and cooled;

the reciprocating mechanism comprises two driving rods 8 fixedly installed at one end, far away from the piston, of a reciprocating rod 9, wherein the two driving rods 8 are respectively provided with a protrusion in a driving groove inserted into two self-rotating reciprocating lead screws 5, and the protrusion is arranged in the driving groove in a sliding mode.

Specifically, two come and go lead screw 5 and rotate, set up respectively in coming and going pole 9 both sides, and then make to come and go pole 9 can continuous stable reciprocating motion, and then make to go and go pole 9 and drive the piston at the inside reciprocating sliding of cooling chamber 11, can exert pressure to the intermittent type natural gas that gets into to cooling chamber 11 inside, inhale away the heat that the natural gas liquefaction produced at circulation chamber 12 simultaneously, make cooling chamber 11 inside can carry out the natural gas liquefaction, simultaneously through last shock attenuation landing leg 2, reduce the vibration during operation, and then improve equipment utility life. The utility model discloses a carry out the liquefaction to the natural gas in succession, reduce equipment vibration, improve equipment life.

The annular partition plate is provided with arc-shaped bulges in an array mode on one side inside the circulating cavity 12, the cooling area of the cooling medium is increased, and then the energy cooling effect is improved.

As an embodiment of the present invention, two round screws 5 all rotate the support installed on the supporting seat 1, two round screws 5 are fixed with the first gear 6, and two first gears 6 are engaged with the two sides of the second gear 7, respectively, the second gear 7 is disposed at the output end of the driving motor 4, and the driving motor 4 is fixedly installed on the supporting seat 1. Specifically, when the driving motor 4 is electrified to rotate, the second gear 7 and the first gear 6 provide power for the two reciprocating lead screws 5 to rotate at the same speed.

Since the rotation directions of the two reciprocating screw rods 5 are opposite, the rotation directions of the driving grooves on the two reciprocating screw rods 5 are opposite.

Example 2

Referring to fig. 1 to 3, the main difference between the present embodiment 2 and the present embodiment 1 is that the damping support leg 2 includes end plates 21 disposed at two ends, the end plates 21 at two ends are respectively and fixedly mounted on the support base 1 and the base 3, wherein a sliding rod 23 is fixedly mounted on the upper end plate 21, the lower end of the sliding rod 23 is vertically and slidably mounted inside a fixed block 22, the fixed block 22 is fixedly mounted on the lower end plate 21, an elastic member 24 is further sleeved outside the fixed block 22, and the upper end and the lower end of the elastic member 24 are respectively and fixedly mounted on the end plates 21 at two ends. When the equipment is in operation, vibration is transmitted to the elastic element 24 through the end plate 21, and the elastic element 24 absorbs the vibration under the matching of the sliding rod 23 and the fixed block 22 and the like. This arrangement in turn reduces equipment vibration.

The circulation chamber 12 is provided with a first inlet 14 and a first outlet 13, which are arranged to allow the cooling medium to enter the circulation chamber 12 for circulation.

A second input port 15 and a second discharge port 16 are arranged on the cooling cavity 11, a first control valve 17 is arranged on the second input port 15, and the first control valve 17 is used for controlling the on-off of the second input port 15; a second control valve 18 is arranged on the second discharge port 16, and the second control valve 18 is used for controlling the on-off of the second discharge port 16.

The supporting seat 1 is further provided with a controller 19, the driving motor 4, the first control valve 17 and the second control valve 18 are electrically connected with the controller 19 respectively, and the controller 19 is used for controlling the driving motor, the first control valve 17 and the second control valve 18.

The controller 19 is also electrically connected to the output assembly 20, and the controller 19 is configured to receive a control signal and send the control signal to the output assembly 20.

The utility model discloses a theory of operation is: a cooling medium is input into the circulation cavity 12 through the first input port 14, the cooling medium flows in the circulation cavity 12 through the first input port 14 and the first exhaust port 13, heat generated by liquefaction in the cooling cavity 11 is absorbed, the controller 19 controls the second input port 15 and the second exhaust port 16 to be opened intermittently, when the piston moves towards the right side, the second input port 15 is opened, the second exhaust port 16 is closed, natural gas enters, after the natural gas enters, the second input port 15 is closed, the reciprocating screw 5 drives the reciprocating rod 9 to drive the piston to move in the reverse direction, the natural gas in the cooling cavity 11 is compressed and liquefied, after liquefaction is completed, the controller 19 controls the second control valve 18 to be in an open state, the liquefied natural gas is exhausted, and after the natural gas is exhausted; the above operations are repeated, thereby achieving continuous liquefaction.

In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A natural gas liquefaction plant with remote monitoring, comprising: the shock absorption support comprises a base (3) and a support seat (1) arranged on the base (3) through shock absorption supporting legs (2); a cooling cylinder (10) is fixedly installed on the supporting seat (1), the interior of the cooling cylinder (10) is divided into a cooling cavity (11) and a circulating cavity (12) by an annular partition plate, and the circulating cavity (12) is sleeved on the outer side of the cooling cavity (11); the cooling cavity (11) is used for containing natural gas which needs to be cooled, and a flowing cooling medium is arranged in the circulating cavity (12);

a piston is arranged in the cooling cavity (11) in a reciprocating manner, a reciprocating rod (9) penetrating through the cooling cavity (11) is fixedly mounted on the piston, and a reciprocating mechanism for driving the reciprocating rod (9) to drive the piston to reciprocate is further arranged on the supporting seat (1);

the reciprocating mechanism comprises two driving rods (8) fixedly installed at one end, far away from the piston, of a reciprocating rod (9), wherein the two driving rods (8) are respectively provided with a driving groove middle bulge inserted into two self-rotating reciprocating lead screws (5), and the bulges are arranged in the driving grooves in a sliding mode.

2. The natural gas liquefaction plant with remote monitoring of claim 1, characterized in that said annular partitions are provided with arc-shaped protrusions in an array on the side disposed inside the circulation chamber (12).

3. The natural gas liquefaction device with remote monitoring of claim 1, characterized in that two reciprocating lead screws (5) are rotatably mounted on a bracket on the supporting base (1), a first gear (6) is respectively fixedly sleeved on the two reciprocating lead screws (5), the two first gears (6) are respectively engaged with two sides of a second gear (7), the second gear (7) is arranged at the output end of the driving motor (4), and the driving motor (4) is fixedly mounted on the supporting base (1).

4. The natural gas liquefaction device with remote monitoring of any of claims 1 to 3, characterized in that, the shock absorption leg (2) comprises end plates (21) disposed at both ends, the end plates (21) at both ends are respectively fixedly mounted on the support base (1) and the base (3), wherein a slide rod (23) is fixedly mounted on the upper end plate (21), the lower end of the slide rod (23) is vertically slidably mounted inside the fixed block (22), the fixed block (22) is fixedly mounted on the lower end plate (21), an elastic member (24) is further sleeved outside the fixed block (22), and the upper end and the lower end of the elastic member (24) are respectively fixedly mounted on the end plates (21) at both ends.

5. The natural gas liquefaction plant with remote monitoring according to claim 1, characterized in that said circulation chamber (12) is provided with a first inlet port (14) and a first outlet port (13).

6. The natural gas liquefaction plant with remote monitoring according to claim 5, characterized in that a second inlet (15) and a second discharge (16) are provided on said cooling chamber (11).

7. The natural gas liquefaction plant with remote monitoring of claim 6, characterized in that a first control valve (17) is provided on the second input port (15).

8. The natural gas liquefaction plant with remote monitoring of claim 6, characterized in that a second control valve (18) is provided on the second discharge outlet (16).