CN213790857U

CN213790857U - Dehydration drying equipment applied to liquefied natural gas treatment

Info

Publication number: CN213790857U
Application number: CN202022764849.XU
Authority: CN
Inventors: 王晶晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-27
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses an use dehydration equipment in liquefied natural gas handles, including the dehydration equipment body, the dehydration equipment includes that the top is the rose box of opening setting, the top contact of rose box has the apron, and the left side intercommunication of rose box is fixed with the intake pipe, and the right side intercommunication of rose box is fixed with the outlet duct, and the rose box internalization cover is equipped with the filter screen that the slope set up, and the top of filter screen and the bottom movable contact of apron, the right side of filter screen are equipped with fixed pipe. The utility model relates to a rationally, be convenient for filter the clearance at the impurity of dehydration operation in-process in to the natural gas, be convenient for at filterable in-process, automatic cycle vibrations filter screen is stained with in order to realize shaking and attaches accumulational a large amount of impurity, reduces the risk that filter screen blocking appears at filterable in-process, guarantees normal filtration operation, and can take out the filter screen from the rose box and thoroughly clear up, satisfies the user demand, is favorable to the use.

Description

Dehydration drying equipment applied to liquefied natural gas treatment

Technical Field

The utility model relates to a dehydration equipment technical field especially relates to an use dehydration equipment in liquefied natural gas handles.

Background

With the rapid development of modern socioeconomic, natural gas has become an essential energy source in people's life, the natural gas flowing out from a well head is almost saturated with gas-phase water and even carries a certain amount of liquid water, and the existence of water in the natural gas can cause serious consequences, such as the existence of CO₂And H₂The natural gas of S forms acid in the presence of water to corrode pipelines and equipment; forming natural gas hydrates under certain conditions to block valves, pipelines and equipment; reduce pipeline transport ability, cause unnecessary consumption of power, moisture is very unfavorable thing in the existence of natural gas, consequently need use dehydration drying equipment to dewater the natural gas, through the retrieval, application number: CN201822079686.4 relates to a dehydration drying equipment who uses in liquefied natural gas handles, adopts two tower circulation operations, and a drying tower carries out natural gas dehydration drying, and another drying tower carries out adsorbent regeneration, then switches over the operation, including drying tower A, drying tower B, first filter, second filter, heat exchanger, cooler, separator, fan and heater, the utility model relates to a rationally designed, simple structure, through adopting two tower circulation's design, another drying tower carries out drying operation when keeping a drying tower to carry out regeneration operation, reasonable in design, simple structure has improved the drying of natural gas, dehydration efficiency; by arranging the heat exchanger, the low-temperature gas entering the first channel of the heat exchanger and the high-temperature gas entering the second channel of the heat exchanger can carry out convection heat exchange during regeneration operation, so that the requirement on the power of the heater is reduced, and meanwhile, the waste of energy is avoided;

although the above patent can dehydrate and dry natural gas, it still has some disadvantages, the first filter and the second filter in the above patent are mainly used for filtering impurities in the dehydration drying process, the filtration mode mostly adopts the static filtration of the filter screen, the static filtration mode is easy to cause the phenomenon that the impurities are statically accumulated and attached on the filter screen to cause blockage, the filtering process lacks the function of automatically shaking off the impurities statically accumulated on the filter screen to relieve the blockage, further, during the filtering process, the phenomenon of filter screen blockage caused by the static accumulation of a large amount of impurities is easy to occur, thereby affecting the normal dehydration operation, being inconvenient to rapidly take down the filter screen inside for cleaning, being incapable of meeting the use requirement, combining the above conditions for improvement, we have therefore proposed a dehydration drying apparatus for use in the processing of liquefied natural gas to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a dehydration drying device applied to the liquefied natural gas treatment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dehydration drying device applied to liquefied natural gas treatment comprises a dehydration drying device body, wherein the dehydration drying device comprises a filter box with an opening at the top, a cover plate is contacted with the top of the filter box, an air inlet pipe is communicated and fixed with the left side of the filter box, an air outlet pipe is communicated and fixed with the right side of the filter box, a filter screen which is obliquely arranged is movably sleeved in the filter box, the top of the filter screen is movably contacted with the bottom of the cover plate, a fixed pipe is arranged at the right side of the filter screen, connecting thin rods are fixedly arranged at the top and the bottom of the fixed pipe, the top end of the connecting thin rod positioned above the two connecting thin rods is fixedly connected with the bottom of the cover plate, the bottom end of the connecting thin rod positioned below the filter screen is movably clamped with the bottom of the filter box, a T-shaped movable rod is fixedly arranged at the right side of the filter screen, the right side of the T-shaped movable rod extends into the fixed pipe, and a fixed rod is fixedly arranged between the top inner wall and the bottom inner wall of the fixed pipe, two L-shaped positioning rods are fixedly installed on the left side of the fixed rod, the two L-shaped positioning rods are symmetrically arranged, the mutually far ends of the two L-shaped positioning rods are respectively and fixedly connected with the inner wall of the top part and the inner wall of the bottom part of the fixed tube, a T-shaped moving rod is sleeved on the two L-shaped positioning rods in a sliding manner, a first spring is fixedly installed between the right side of the T-shaped moving rod and the left side of the fixed rod and positioned between the two L-shaped positioning rods, a driving motor is fixedly installed on the top part of the cover plate, the bottom end of an output shaft of the driving motor extends into the filter box and is fixedly provided with a rotating shaft, an eccentric wheel is fixedly installed at the bottom end of the rotating shaft, a fixed block fixedly installed on the left side of the filter screen is arranged on the right side of the eccentric wheel, a ball is embedded in the left side of the fixed block and matched with the eccentric wheel, fixture blocks are fixedly installed on both sides of the bottom part of the cover plate, and the filter box is movably sleeved on the two fixture blocks, first draw-in groove has been seted up in the left side that lies in left fixture block in two fixture blocks, the activity card is equipped with L shape kelly in the first draw-in groove, the left side of L shape kelly extends to outside the apron, fixed mounting has the push rod on the left side inner wall of L shape kelly, first groove has been seted up to top one side of apron, the right-hand member of push rod extends to first inslot and fixed mounting has the montant, the top of montant extends to the top of apron, fixed mounting has the second spring between the left side of montant and the left side inner wall in first groove, second spring movable sleeve establishes on the push rod.

Preferably, rectangular grooves are formed in two sides of the top of the filter box, the clamping blocks are clamped with the corresponding rectangular grooves, the bottom of each clamping block is of a conical structure, a through hole is formed in the inner wall, located on the left side of the left rectangular groove, of the two rectangular grooves, and the inner wall of the through hole is in movable contact with the outer side of the L-shaped clamping rod.

Preferably, a first rectangular hole is formed in the inner wall of the left side of the first groove, and the inner wall of the first rectangular hole is in sliding connection with the outer side of the push rod.

Preferably, the front side and the rear side of the filter screen are respectively in movable contact with the front side inner wall and the rear side inner wall of the filter box.

Preferably, a second clamping groove is formed in the inner wall of the bottom of the filter box, a rectangular block is fixedly mounted at the bottom end of the connecting thin rod below the filter box, the bottom end of the rectangular block extends into the second clamping groove and is of a conical structure, and the rectangular block is clamped with the second clamping groove.

Preferably, a U-shaped handle is fixedly installed at the top of the cover plate.

Preferably, the distance between the right side of the rotating shaft and the left side of the ball is smaller than the distance between the left side of the eccentric wheel and the left side of the rotating shaft.

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

through a filter box, a filter screen, a fixed pipe, a T-shaped moving rod, a connecting thin rod, a fixed rod, an L-shaped locating rod, a first spring, a cover plate, a driving motor, a rotating shaft, an eccentric wheel, a clamping block, a first clamping groove, an L-shaped clamping rod, a first groove and a push rod, natural gas enters the filter box through an air inlet pipe and passes through the filter screen to be discharged through an air outlet pipe, the filter screen filters impurities in the natural gas, the filtered impurities are blocked and accumulated on the left side of the filter screen, the driving motor is started to drive the eccentric wheel to rotate through the rotating shaft to gradually collide with the balls when rotating for the first half circle, the balls vibrate rightwards and drive the filter screen to vibrate rightwards through the fixed block under the force of vibration, the force is matched with the inclined setting of the filter screen, so that the impurities adhered and accumulated on the left side of the filter screen are vibrated off, the filter screen drives the T-shaped moving rod to move rightwards and compress the first spring, when the eccentric wheel rotates the back half-turn, relax the extrusion force to the ball gradually and separate with the ball, the elasticity of first spring drives the filter screen left removal through T shape carriage release and resets this moment, the eccentric wheel lasts the rotation, make vibrations about the filter screen circulation, the slope setting of cooperation filter screen, reach the purpose that the dust impurity that is stained with on the automatic cycle shake-off filter screen is stained with, when needs take off the filter screen and carry out thorough clearance, promote the vertical pole left and compress the second spring and drive L shape kelly and follow the draw-in groove left through the push rod and shift out, U-shaped handle drives apron rebound that makes progress immediately, the apron drives fixed pipe rebound through the thin pole of the connection that is located the top, fixed pipe drives the filter screen through T shape carriage release and upwards shifts out from the rose box, can carry out thorough clearance to the filter screen.

The utility model relates to a rationally, be convenient for filter the clearance at the impurity of dehydration operation in-process in to the natural gas, be convenient for at filterable in-process, automatic cycle vibrations filter screen is stained with in order to realize shaking and attaches accumulational a large amount of impurity, reduces the risk that filter screen blocking appears at filterable in-process, guarantees normal filtration operation, and can take out the filter screen from the rose box and thoroughly clear up, satisfies the user demand, is favorable to the use.

Drawings

Fig. 1 is a schematic cross-sectional structural diagram of a dehydration drying apparatus applied in liquefied natural gas treatment according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is an enlarged schematic structural view of a portion B in fig. 1.

In the figure: the filter box comprises a filter box 1, a filter screen 2, a fixing pipe 3, a moving rod 4T-shaped, a connecting thin rod 5, a fixing rod 6, a positioning rod 7L-shaped, a first spring 8, a cover plate 9, a driving motor 10, a rotating shaft 11, an eccentric wheel 12, a clamping block 13, a first clamping groove 14, a clamping rod 15L-shaped, a first groove 16, a push rod 17 and a second spring 18.

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.

Referring to fig. 1-3, a dehydration drying device applied in liquefied natural gas treatment, comprising a dehydration drying device body, the dehydration drying device comprises a filter box 1 with an opening at the top, a cover plate 9 is contacted with the top of the filter box 1, an air inlet pipe is communicated and fixed at the left side of the filter box 1, an air outlet pipe is communicated and fixed at the right side of the filter box 1, a filter screen 2 which is obliquely arranged is movably sleeved in the filter box 1, the top of the filter screen 2 is movably contacted with the bottom of the cover plate 9, a fixed pipe 3 is arranged at the right side of the filter screen 2, connecting thin rods 5 are fixedly arranged at the top and the bottom of the fixed pipe 3, the top ends of the connecting thin rods 5 which are positioned above in the two connecting thin rods 5 are fixedly connected with the bottom of the cover plate 9, the bottom end of the connecting thin rod 5 which is positioned below is movably clamped with the bottom of the filter box 1, a T-shaped moving rod 4 is fixedly arranged at the right side of the filter screen 2, the right side of a T-shaped moving rod 4 extends into a fixed pipe 3, a fixed rod 6 is fixedly arranged between the top inner wall and the bottom inner wall of the fixed pipe 3, two L-shaped positioning rods 7 are fixedly arranged on the left side of the fixed rod 6, the two L-shaped positioning rods 7 are symmetrically arranged, the mutually far ends of the two L-shaped positioning rods 7 are fixedly connected with the top inner wall and the bottom inner wall of the fixed pipe 3 respectively, the T-shaped moving rod 4 is sleeved on the two L-shaped positioning rods 7 in a sliding manner, a first spring 8 is fixedly arranged between the right side of the T-shaped moving rod 4 and the left side of the fixed rod 6, the first spring 8 is positioned between the two L-shaped positioning rods 7, a driving motor 10 is fixedly arranged on the top of a cover plate 9, the bottom end of an output shaft of the driving motor 10 extends into a filter box 1 and is fixedly provided with a rotating shaft 11, an eccentric wheel 12 is fixedly arranged at the bottom end of the rotating shaft 11, a fixed block fixedly arranged on the left side of the filter screen 2 is arranged on the right side of the eccentric wheel 12, the left side of the fixed block is embedded with balls, the balls are matched with an eccentric wheel 12, both sides of the bottom of the cover plate 9 are fixedly provided with clamping blocks 13, the filter box 1 is movably sleeved on the two clamping blocks 13, the left side of the left clamping block 13 in the two clamping blocks 13 is provided with a first clamping groove 14, an L-shaped clamping rod 15 is movably clamped in the first clamping groove 14, the left side of the L-shaped clamping rod 15 extends out of the cover plate 9, the inner wall of the left side of the L-shaped clamping rod 15 is fixedly provided with a push rod 17, one side of the top of the cover plate 9 is provided with a first groove 16, the right end of the push rod 17 extends into the first groove 16 and is fixedly provided with a vertical rod, the top end of the vertical rod extends to the upper part of the cover plate 9, a second spring 18 is fixedly arranged between the left side of the vertical rod and the inner wall of the left side of the first groove 16, the second spring 18 is movably sleeved on the push rod 17, the utility model has reasonable design, and is convenient for filtering impurities in the natural gas in the dehydration operation process, be convenient for at filterable in-process, automatic cycle vibrations filter screen 2 is stained with in order to realize shaking to fall and attaches accumulational a large amount of impurity, reduces the risk that filter screen 2 blockked up appears in filterable in-process, guarantees normal filtration operation, and can take out filter screen 2 from rose box 1 and thoroughly clear up, satisfies the user demand, is favorable to using.

In the utility model, both sides of the top of the filter box 1 are provided with rectangular grooves, the fixture block 13 is clamped with the corresponding rectangular groove, the bottom of the fixture block 13 is designed to be a conical structure, the inner wall of the left side of the left rectangular groove in the two rectangular grooves is provided with a perforation, the perforated inner wall is movably contacted with the outer side of the L-shaped clamping rod 15, the inner wall of the left side of the first groove 16 is provided with a first rectangular hole, the inner wall of the first rectangular hole is slidably connected with the outer side of the push rod 17, the front side and the rear side of the filter screen 2 are respectively movably contacted with the inner wall of the front side and the inner wall of the rear side of the filter box 1, the inner wall of the bottom of the filter box 1 is provided with a second clamping groove, the bottom end of the connecting thin rod 5 positioned below is fixedly provided with a rectangular block, the bottom end of the rectangular block extends into the second clamping groove and is designed to be a conical structure, distance between the left side of pivot 11 and ball is less than the distance between the left side of eccentric wheel 12 and the left side of pivot 11, the utility model relates to a rationally, be convenient for filter the clearance at the impurity of dehydration operation in-process in to the natural gas, be convenient for at filterable in-process, automatic cycle vibrations filter screen 2 is stained with in order to realize shaking and attaches accumulational a large amount of impurity, reduces the risk that filter screen 2 blockked up appears in filterable in-process, guarantees normal filtering operation, and can take out filter screen 2 from rose box 1 and thoroughly clear up, satisfies the user demand, is favorable to using.

The working principle is as follows: when the natural gas filtering device is used, natural gas enters the filtering box 1 through the air inlet pipe, the natural gas passes through the filtering net 2 and is discharged through the air outlet pipe, impurities in the natural gas are filtered by the filtering net 2, the filtered impurities are shielded and accumulated on the left side of the filtering net 2, the driving motor 10 is started at the same time, the output shaft of the driving motor 10 drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the eccentric wheel 12 to rotate, the eccentric wheel 12 collides with balls gradually in the first half circle of rotation, the colliding force drives the balls to vibrate rightwards, the balls drive the filtering net 2 to vibrate rightwards through the fixing blocks, under the vibration force, the inclined arrangement of the filtering net 2 is matched, so that the impurities adhered and accumulated on the left side of the filtering net 2 are vibrated off, the filtering net 2 drives the T-shaped moving rod 4 to move rightwards, the T-shaped moving rod 4 slides rightwards on the two L-shaped positioning rods 7 and compresses the first spring 8 when the eccentric wheel 12 rotates in the second half circle, the extrusion force on the balls is gradually released and separated from the balls, the first spring 8 in a compressed state is reset at the moment, the elastic force of the first spring 8 drives the T-shaped moving rod 4 to move leftwards, the T-shaped moving rod 4 drives the filter screen 2 to move leftwards and reset, the eccentric wheel 12 continuously rotates, and under the action of the eccentric wheel 12, the filter screen 2 vibrates leftwards and rightwards in a circulating mode, and the purpose of automatically and circularly shaking off dust and impurities attached to the filter screen 2 is achieved by matching the inclined arrangement of the filter screen 2, so that the risk of blockage caused in the filtering process is avoided, and normal filtering operation is guaranteed;

when the filter screen 2 needs to be taken down for complete cleaning, the vertical rod is pushed leftwards and drives the push rod 17 to move leftwards, the vertical rod compresses the second spring 18, meanwhile, the push rod 17 drives the L-shaped clamping rod 15 to move leftwards, the L-shaped clamping rod 15 moves leftwards and gradually moves out of the clamping groove 14, then the fixing of the cover plate 9 is released, then the upward U-shaped handle drives the cover plate 9 to move upward, the cover plate 9 drives the two clamping blocks 13 to move upward out of the two rectangular grooves, meanwhile, the cover plate 9 drives the fixed pipe 3 to move upwards through the connecting thin rod 5 positioned above, the fixed pipe 3 drives the filter screen 2 to move upwards through the T-shaped moving rod 4, meanwhile, the fixing pipe 3 drives the connecting thin rod 5 located below to move upwards, the filter screen 2 moves out of the filter box 1 gradually while moving upwards, and the filter screen 2 can be cleaned thoroughly.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The dehydration drying equipment applied to the liquefied natural gas treatment comprises a dehydration drying equipment body, and comprises a filter box (1) with an opening at the top, and is characterized in that a cover plate (9) is contacted with the top of the filter box (1), an air inlet pipe is communicated and fixed at the left side of the filter box (1), an air outlet pipe is communicated and fixed at the right side of the filter box (1), an obliquely arranged filter screen (2) is movably sleeved in the filter box (1), the top of the filter screen (2) is movably contacted with the bottom of the cover plate (9), a fixed pipe (3) is arranged at the right side of the filter screen (2), connecting slender rods (5) are fixedly installed at the top and the bottom of the fixed pipe (3), the top ends of the connecting slender rods (5) above in the two connecting slender rods (5) are fixedly connected with the bottom of the cover plate (9), the bottom end of the connecting slender rod (5) below is movably clamped with the bottom of the filter box (1), a T-shaped moving rod (4) is fixedly installed on the right side of the filter screen (2), the right side of the T-shaped moving rod (4) extends into the fixed pipe (3), a fixed rod (6) is fixedly installed between the inner wall of the top part and the inner wall of the bottom part of the fixed pipe (3), two L-shaped positioning rods (7) are fixedly installed on the left side of the fixed rod (6), the two L-shaped positioning rods (7) are symmetrically arranged, the ends, far away from each other, of the two L-shaped positioning rods (7) are fixedly connected with the inner wall of the top part and the inner wall of the bottom part of the fixed pipe (3) respectively, the T-shaped moving rod (4) is sleeved on the two L-shaped positioning rods (7) in a sliding mode, a first spring (8) is fixedly installed between the right side of the T-shaped moving rod (4) and the left side of the fixed rod (6), the first spring (8) is located between the two L-shaped positioning rods (7), a driving motor (10) is fixedly installed on the top of the cover plate (9), the bottom end of an output shaft of a driving motor (10) extends into a filter box (1) and is fixedly provided with a rotating shaft (11), the bottom end of the rotating shaft (11) is fixedly provided with an eccentric wheel (12), the right side of the eccentric wheel (12) is provided with a fixed block fixedly arranged on the left side of a filter screen (2), the left side of the fixed block is embedded with a ball, the ball is matched with the eccentric wheel (12), two sides of the bottom of a cover plate (9) are fixedly provided with clamping blocks (13), the filter box (1) is movably sleeved on the two clamping blocks (13), the left side of the clamping block (13) on the left side in the two clamping blocks (13) is provided with a first clamping groove (14), an L-shaped clamping rod (15) is movably clamped in the first clamping groove (14), the left side of the L-shaped clamping rod (15) extends out of the cover plate (9), the inner wall on the left side of the L-shaped clamping rod (15) is fixedly provided with a push rod (17), one side of the top of the cover plate (9) is provided with a first groove (16), the right end of push rod (17) extends to in first groove (16) and fixed mounting has the montant, and the top of montant extends to the top of apron (9), and fixed mounting has second spring (18) between the left side of montant and the left side inner wall of first groove (16), and second spring (18) activity cover is established on push rod (17).

2. The dehydration drying device applied to liquefied natural gas treatment according to claim 1, wherein both sides of the top of the filtering tank (1) are provided with rectangular grooves, the clamping block (13) is clamped with the corresponding rectangular groove, the bottom of the clamping block (13) is provided with a conical structure, the inner wall of the left side of the rectangular groove on the left side of the two rectangular grooves is provided with a through hole, and the inner wall of the through hole is in movable contact with the outer side of the L-shaped clamping rod (15).

3. The dehydration drying apparatus applied in liquefied natural gas treatment according to claim 1, wherein a first rectangular hole is opened on the left inner wall of the first groove (16), and the inner wall of the first rectangular hole is slidably connected with the outer side of the push rod (17).

4. The dehydration drying apparatus for use in liquefied natural gas treatment according to claim 1, wherein the front side and the rear side of said filter net (2) are in movable contact with the front side inner wall and the rear side inner wall of said filter tank (1), respectively.

5. The dehydration drying equipment applied to liquefied natural gas treatment according to claim 1, wherein a second clamping groove is formed on the inner wall of the bottom of the filter box (1), a rectangular block is fixedly installed at the bottom end of the connecting slender rod (5) located below, the bottom end of the rectangular block extends into the second clamping groove and is provided with a conical structure, and the rectangular block is clamped with the second clamping groove.

6. The dehydration drying apparatus for use in liquefied natural gas treatment according to claim 1, wherein a U-shaped handle is fixedly installed on the top of said cover plate (9).

7. The dehydration drying apparatus for use in liquefied natural gas treatment according to claim 1, wherein the distance between the right side of the rotation shaft (11) and the left side of the ball is smaller than the distance between the left side of the eccentric (12) and the left side of the rotation shaft (11).