CN212492209U

CN212492209U - Negative pressure type air separation and purification device

Info

Publication number: CN212492209U
Application number: CN202020545529.2U
Authority: CN
Inventors: 周富强; 周颖; 潘爱兰
Original assignee: Tianjin Great Ocean Science And Technology Co ltd
Current assignee: Tianjin Great Ocean Science And Technology Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-02-09
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a negative pressure formula air separation purification device, including pipeline, pipeline's left end intercommunication has the base, the outer wall fixedly connected with rubber circle of base. This negative pressure formula air separation purification device, overall structure is simple, the operation process links up, realized the reciprocating motion through the thick pipe, and then intermittent type nature produces the negative pressure, realize that the outside air runs through the molecular sieve fast, through the filtration of molecular sieve, accomplish the separation of air, and when thick pipe moves right, can play the effect of back flush to the molecular sieve, and then get rid of the adnexed dust in molecular sieve left side, avoid the jam of molecular sieve, reduce the frequency of clearance, it is convenient to bring for the operating personnel, through the base, the sleeve, the second steel mesh, the drier, the sealing washer, the cooperation between bolt and the second spring, realized drying the air after separating, consequently greatly reduced the moisture in the gas after separating, guarantee the purity of gas after separating.

Description

Negative pressure type air separation and purification device

Technical Field

The utility model relates to an air separation purification technical field specifically is a negative pressure formula air separation purification device.

Background

The negative pressure type air separation and purification technology is one kind of air separation, and has a great number of applications in the industrial field, and generally comprises an air filter, an air separation device and an airflow power device, wherein the air separation device comprises an air separation disc.

Particularly, in the air separation part, a vacuum pump is generally used to generate negative pressure in the prior art, so that the operation is realized, but the vacuum pump is continuously operated, so that the loss is extremely large, the service life is relatively short, the molecular sieve is easily damaged due to an overlarge negative pressure value in the operation process, certain dust is adhered to the surface of the molecular sieve, so that the molecular sieve is easily blocked, and a certain amount of moisture possibly exists in the separated gas, so that the purity is insufficient, and the prior art cannot meet the use requirements of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a negative pressure formula air separation purification device to propose generally to use the vacuum pump to produce the negative pressure in solving above-mentioned background art, and then realize the operation, but vacuum pump continuity of operation, the loss is very big, therefore life is lower, and the negative pressure value is too big among the operation process, leads to the molecular sieve to damage easily, and certain dust can be adhered to on the molecular sieve surface, so cause the problem of jam easily.

In order to achieve the above object, the utility model provides a following technical scheme: a negative pressure type air separation and purification device comprises a conveying pipeline, wherein the left end of the conveying pipeline is communicated with a base, the outer wall of the base is fixedly connected with a rubber ring, the outer wall of the rubber ring is in interference fit with a transverse pipe, and the left side of the transverse pipe is provided with a negative pressure separation assembly;

the negative pressure separation assembly comprises a thick pipe, a rubber pipe, a first shell, a rubber pad, a second shell, a first steel mesh, a molecular sieve, a vertical rod, a first spring, a circular plate, a rubber sleeve, a square rod, a support, a mesh enclosure, a servo motor, a circular rod, a spiral groove, a fixture block and a short pipe;

the inner wall of the thick pipe is fixedly connected with a rubber pipe, the inner wall of the rubber pipe is in interference fit with the outer wall of the transverse pipe, the left end of the thick pipe is fixedly connected with a first shell, the left side of the first shell is fixedly connected with a second shell through a bolt, a rubber pad is clamped between the first shell and the second shell, the right side of the inner wall of the first shell is fixedly connected with a first steel mesh, the left side of the first steel mesh is provided with a molecular sieve, the left side of the molecular sieve is abutted against the second shell, the right side of the molecular sieve is abutted against the left side of the first steel mesh, the inner wall of the second shell is fixedly connected with a vertical rod, the left side of the vertical rod is fixedly connected with a first spring, the left end of the first spring is fixedly connected with a circular plate, the left side of the outer wall of the circular plate is sleeved with a rubber sleeve, and the left, equal fixedly connected with square bar about the right side of plectane, the outer wall clearance fit of square bar has the support, the right-hand member and the montant fixed connection of support are in the same place, the outer wall left side fixedly connected with screen panel of second casing, equal fixedly connected with servo motor about the outer wall of thick pipe, servo motor's output fixedly connected with round bar, the outer wall clearance fit of round bar has the nozzle stub, the outer wall of nozzle stub is in the same place with the outer wall right side fixed connection of thick pipe, the inner wall fixedly connected with fixture block of nozzle stub, the fixture block passes through the helicla flute and is in the same place with round bar slip joint.

Preferably, the right end of the short pipe is level with the right end of the thick pipe.

Preferably, the base is fixed with the transverse tube through a fixing assembly;

the fixing component comprises a bolt, a base and a second spring;

the outer wall of bolt runs through the top of base, and the outer wall and the base clearance fit of bolt, the top of bolt and the inner wall joint of violently managing are in the same place, the bottom fixedly connected with base of bolt, the top right side fixedly connected with second spring of base, the top of second spring links to each other with the inner wall activity of violently managing.

Preferably, the depth of the inserted pin inserted into the transverse pipe is 1-2 cm.

Preferably, a drying component is arranged on the left side of the base;

the drying component comprises a third spring, a sleeve, a sealing ring, a drying agent and a second steel mesh;

the telescopic left end fixedly connected with sealing washer, the left side of sealing washer offsets tightly with the inner wall of violently managing, telescopic outer wall and the inner wall clearance fit of violently managing, equal fixedly connected with third spring about the telescopic right side, the right-hand member of third spring offsets tightly with the left side of base, the equal fixedly connected with second steel mesh in telescopic inner wall left and right sides, two it has the drier to fill between the second steel mesh.

Preferably, the thickness of the desiccant is 5-8 cm.

Compared with the prior art, the beneficial effects of the utility model are that: this negative pressure formula air separation purification device, overall structure is simple, and the operation process links up, has good operation effect, and its specific beneficial effect is as follows:

through violently managing, the thick pipe, the rubber tube, the plectane, the rubber sleeve, first spring, first casing, the second casing, the round bar, cooperation between fixture block and the helicla flute, reciprocating motion through the thick pipe has been realized, and then intermittent type nature's production negative pressure, realize that the outside air runs through the molecular sieve fast, through the filtration of molecular sieve, accomplish the separation of air, and when thick pipe moved right, can play the effect of back flush to the molecular sieve, and then get rid of the adnexed dust in molecular sieve left side, avoid the jam of molecular sieve, reduce the frequency of clearance, it is convenient to bring for the operation personnel.

Through the cooperation between base, sleeve, second steel mesh, drier, sealing washer, bolt and the second spring, realized drying the air after the separation, consequently moisture in the gaseous after greatly reduced separation guarantees the gaseous purity after the separation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connection structure of the first casing, the circular plate and the mesh enclosure in FIG. 1;

FIG. 3 is a schematic view of the connection relationship between the round bar, the base and the cross tube in FIG. 1;

fig. 4 is a schematic view of the connection structure of the latch, the base and the second spring in fig. 3.

In the figure: 1. negative pressure separation component 101, thick pipe, 102, rubber tube 103, first shell 104, rubber pad 105, second shell 106, first steel mesh 107, molecular sieve 108, vertical rod 109, first spring 110, round plate 111, rubber sleeve 112, square rod 113, bracket 114, mesh enclosure 115, servo motor 116, round rod 117, spiral groove 118, fixture block 119, short pipe 2, fixing component 201, bolt 202, base 203, second spring 3, drying component 301, third spring 302, sleeve 303, sealing ring 304, drying agent 305, second steel mesh 4, conveying pipeline 5, base 6, horizontal pipe 7, rubber ring.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a negative pressure type air separation and purification device comprises a conveying pipeline 4, the right end of the conveying pipeline 4 is matched with a one-way valve capable of discharging air rightwards for use, the conveying pipeline 4 can be connected with an air collection device and also can be connected with an external high-purity extraction device, the left end of the conveying pipeline 4 is communicated with a base 5, the outer wall of the base 5 is fixedly connected with a rubber ring 7, the rubber ring 7 improves the sealing property between the transverse pipe 5 and the base 5, the outer wall of the rubber ring 7 is in interference fit with a transverse pipe 6, the left side of the transverse pipe 6 is provided with a negative pressure separation assembly 1, the negative pressure separation assembly 1 comprises a thick pipe 101, a rubber pipe 102, a first shell 103, a rubber pad 104, a second shell 105, a first steel mesh 106, a molecular sieve 107, a vertical rod 108, a first spring 109, a circular plate 110, a rubber sleeve 111, a square rod 112, a support 113, a mesh cover 114, a servo motor 115, the inner wall of the thick pipe 101 is fixedly connected with a rubber pipe 102, the rubber pipe 102 improves the sealing performance between the thick pipe 101 and the transverse pipe 6, the inner wall of the rubber pipe 102 is in interference fit with the outer wall of the transverse pipe 6, the left end of the thick pipe 101 is fixedly connected with a first shell 103, the left side of the first shell 103 is fixedly connected with a second shell 105 through bolts, a rubber pad 104 is clamped between the first shell 103 and the second shell 105, the right side of the inner wall of the first shell 103 is fixedly connected with a first steel mesh 106, the first steel mesh 106 plays a limiting role on the molecular sieve 107, the left side of the first steel mesh 106 is provided with a molecular sieve 107, the left side of the molecular sieve 107 is tightly abutted against the second shell 105, the right side of the molecular sieve 107 is attached to the left side of the first steel mesh 106, the first steel mesh 106 is made of stainless steel, the mesh number of the first steel mesh is 200 and 300, the inner wall of the second shell 105 is fixedly connected with, the first spring 109 tightly abuts against the vertical rod 108 to provide a leftward elastic force to the circular plate 110, so that the rubber sleeve 111 tightly abuts against the second shell 105 to seal the left side of the second shell 105, the left end of the first spring 109 is fixedly connected with the circular plate 110, the left side of the outer wall of the circular plate 110 is sleeved with the rubber sleeve 111, the left side of the rubber sleeve 111 tightly abuts against the left opening of the second shell 105, the upper and lower sides of the right side of the circular plate 110 are fixedly connected with square rods 112, the square rods 112 are matched with the support 113 to limit the circular plate 110, the outer wall of the square rods 112 is in clearance fit with the support 113, the right end of the support 113 is fixedly connected with the vertical rod 108, the left side of the outer wall of the second shell 105 is fixedly connected with a mesh enclosure 114, the mesh enclosure 114 is made of stainless steel and has a mesh number of 20-40, the upper and lower sides of the outer wall of the thick tube 101 are fixedly connected with, output fixedly connected with round bar 116 of servo motor 115, the outer wall clearance fit of round bar 116 has nozzle stub 119, the outer wall of nozzle stub 119 is in the same place with the outer wall right side fixed connection of thick pipe 101, the inner wall fixedly connected with fixture block 118 of nozzle stub 119, through the cooperation between spiral groove 117 and the fixture block 118, make round bar 116 can drive nozzle stub 119 to do reciprocating motion about when rotating, and then drive thick pipe 101 and do reciprocating motion about along the outer wall of violently managing 6, when thick pipe 101 moves left, because the space grow between thick pipe 101 and the violently pipe 6, consequently, negative pressure is produced, outside air pressure moves plectane 110 and moves right this moment, and then make outside air get into the inside of violently managing 6 after filtering through molecular sieve 107, fixture block 118 is in the same place with round bar 116 slip joint through spiral groove 117, the right-hand member of nozzle stub 119 is leveled with the right-hand member of.

Base 5 is together fixed through fixed subassembly 2 and violently pipe 6, fixed subassembly 2 includes bolt 201, base 202 and second spring 203, the outer wall of bolt 201 runs through the top of base 5, and the outer wall of

bolt

201 and 5 clearance fit of base, the top of bolt 201 is in the same place with violently pipe 6's inner wall joint, bolt 201 plays fixed effect to base 5 and violently pipe 6, the bottom fixedly connected with base 202 of bolt 201, the top right side fixedly connected with second spring 203 of base 202, second spring 203 gives the ascending pulling force of base 202, and then guarantee that bolt 201 and violently pipe 6 card are in the same place, the top of second spring 203 links to each other with violently pipe 6's inner wall activity, the degree of depth that bolt 201 inserted violently pipe 6 is 1-2 centimetres.

The drying component 3 is arranged on the left side of the base 5, the drying component 3 comprises a third spring 301, a sleeve 302, a sealing ring 303, a drying agent 304 and a second steel mesh 305, the sealing ring 303 is fixedly connected to the left end of the sleeve 302, the sealing ring 303 is made of rubber, the sealing performance between the sleeve 302 and the transverse pipe 6 is improved, the left side of the sealing ring 303 is tightly abutted to the inner wall of the transverse pipe 6, the outer wall of the sleeve 302 is in clearance fit with the inner wall of the transverse pipe 6, the third spring 301 is fixedly connected to the upper and lower sides of the right side of the sleeve 302, the sleeve 302 is provided with leftward elasticity by the third spring 301, the sealing ring 303 is further ensured to be clamped by the transverse pipe 6 and the sleeve 302, the right end of the third spring 301 is tightly abutted to the left side of the base 5, the second steel mesh 305 is fixedly connected to the left and right sides of the inner wall of the sleeve 302, the mesh number of, the desiccant 304 may be made of silica gel or activated alumina, with the desiccant 304 having a thickness of 5-8 centimeters.

When the negative pressure type air separation and purification device is used, an external power supply of the servo motors 115 is connected, at the moment, the two servo motors 115 work simultaneously, the servo motors 115 drive the round rod 116 to rotate, the round rod 116 drives the short pipe 119 to do left-right reciprocating motion through the matching between the spiral groove 117 and the fixture block 118, further, the thick pipe 101 is driven to do left-right reciprocating motion, when the thick pipe 101 drives the rubber pipe 102 to move leftwards along the outer wall of the transverse pipe 6, at the moment, the effective space between the transverse pipe 6 and the thick pipe 101 is enlarged, namely, the pressure is reduced, at the moment, the external atmospheric pressure is greater than the air pressure inside the transverse pipe 6 and the thick pipe 101, the external air pushes the round plate 110 to move rightwards, at the moment, the first spring 109 is compressed, the external air enters between the second shell 105 and the first shell 103 and is filtered by the molecular sieve 107, so as to filter different molecules in the air, when thick pipe 101 moves to the right, this moment under the effect of first spring 109, initial position is resumeed to circular plate 110, and then play confined effect to the left side of second casing 105, violently pipe 6 and the inside gas of thick pipe 101 move to the right this moment, after the drying of drier 304, discharge by pipeline 4, the separation of air is realized to reciprocating like this, when needing to change drier 304, at this moment with second spring 203 and violently pipe 6 separation, pulling base 202, base 202 drives bolt 201 and violently pipe 6 separation, take out base 5 from violently inside of pipe 6, later take off sleeve 302, change sleeve 302, accomplish the drier that changes new promptly.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a negative pressure formula air separation purification device, includes pipeline (4), its characterized in that: the left end of the conveying pipeline (4) is communicated with a base (5), the outer wall of the base (5) is fixedly connected with a rubber ring (7), the outer wall of the rubber ring (7) is in interference fit with a transverse pipe (6), and the left side of the transverse pipe (6) is provided with a negative pressure separation assembly (1);

the negative pressure separation assembly (1) comprises a thick pipe (101), a rubber pipe (102), a first shell (103), a rubber pad (104), a second shell (105), a first steel mesh (106), a molecular sieve (107), a vertical rod (108), a first spring (109), a circular plate (110), a rubber sleeve (111), a square rod (112), a bracket (113), a mesh enclosure (114), a servo motor (115), a circular rod (116), a spiral groove (117), a fixture block (118) and a short pipe (119);

the inner wall of the thick pipe (101) is fixedly connected with a rubber pipe (102), the inner wall of the rubber pipe (102) is in interference fit with the outer wall of the transverse pipe (6), the left end of the thick pipe (101) is fixedly connected with a first shell (103), the left side of the first shell (103) is fixedly connected with a second shell (105) through a bolt, a rubber pad (104) is clamped between the first shell (103) and the second shell (105), the right side of the inner wall of the first shell (103) is fixedly connected with a first steel mesh (106), the left side of the first steel mesh (106) is provided with a molecular sieve (107), the left side of the molecular sieve (107) is tightly abutted against the second shell (105), the right side of the molecular sieve (107) is attached to the left side of the first steel mesh (106), the inner wall of the second shell (105) is fixedly connected with a vertical rod (108), the left side of the vertical rod (108) is fixedly connected with a first spring (109), the left end fixedly connected with plectane (110) of first spring (109), rubber sleeve (111) has been cup jointed on the outer wall left side of plectane (110), the left side of rubber sleeve (111) offsets tightly with the left side opening of second casing (105), equal fixedly connected with square bar (112) about the right side of plectane (110), the outer wall clearance fit of square bar (112) has support (113), the right-hand member of support (113) is in the same place with montant (108) fixed connection, the outer wall left side fixedly connected with screen panel (114) of second casing (105), equal fixedly connected with servo motor (115) about the outer wall of thick pipe (101), the output fixedly connected with round bar (116) of servo motor (115), the outer wall clearance fit of round bar (116) has nozzle stub (119), the outer wall of short nozzle stub (119) is in the same place with the outer wall right side fixed connection of thick pipe (101), the inner wall of the short pipe (119) is fixedly connected with a clamping block (118), and the clamping block (118) is connected with the round rod (116) in a sliding clamping mode through a spiral groove (117).

2. The negative pressure type air separation and purification device according to claim 1, wherein: the right end of the short pipe (119) is level with the right end of the thick pipe (101).

3. The negative pressure type air separation and purification device according to claim 1, wherein: the base (5) is fixed with the transverse pipe (6) through the fixing component (2);

the fixing component (2) comprises a bolt (201), a base (202) and a second spring (203);

the outer wall of bolt (201) runs through the top of base (5), and the outer wall and base (5) clearance fit of bolt (201), the top of bolt (201) is in the same place with the inner wall joint of violently managing (6), the bottom fixedly connected with base (202) of bolt (201), the top right side fixedly connected with second spring (203) of base (202), the top of second spring (203) links to each other with the inner wall activity of violently managing (6).

4. The negative pressure type air separation and purification device according to claim 3, wherein: the depth of the inserted pin (201) inserted into the transverse pipe (6) is 1-2 cm.

5. The negative pressure type air separation and purification device according to claim 1, wherein: a drying component (3) is arranged on the left side of the base (5);

the drying assembly (3) comprises a third spring (301), a sleeve (302), a sealing ring (303), a drying agent (304) and a second steel net (305);

the left end fixedly connected with sealing washer (303) of sleeve (302), the left side of sealing washer (303) offsets tightly with the inner wall of violently managing (6), the outer wall of sleeve (302) and the inner wall clearance fit of violently managing (6), equal fixedly connected with third spring (301) about the right side of sleeve (302), the right-hand member of third spring (301) offsets tightly with the left side of base (5), the equal fixedly connected with second steel mesh (305) of the inner wall left and right sides of sleeve (302), two it has drier (304) to fill between second steel mesh (305).

6. The negative pressure type air separation and purification device according to claim 5, wherein: the thickness of the drying agent (304) is 5-8 cm.