CN214096510U

CN214096510U - Helium recovery and purification device for helium mass spectrometer leak detector

Info

Publication number: CN214096510U
Application number: CN202022879793.2U
Authority: CN
Inventors: 杜大艳; 刘志红; 焦楚壹
Original assignee: Hubei Heyuan Gases Co ltd
Current assignee: Hubei Heyuan Gases Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-08-31
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a helium gas recovery purifier that helium mass spectrometer leak detector used belongs to helium gas recovery technical field, and it includes the collection box, the collection box is through four bolts and apron fixed connection, the upper surface joint of apron has drive assembly, the upper surface joint of apron has first bearing, the siphunculus has been cup jointed in the first bearing, a plurality of gas pocket has been seted up to the surface of siphunculus. This helium gas recovery purifier that helium mass spectrometer leak detector used, through setting up the takeover, the siphunculus, cross the filter core, the bolt, torsional spring and movable rod, make the filter core of this device adopt nanometer glass fiber preparation, can get rid of the tiny oil and drip, simple structure not only, oil-gas separation is effectual moreover, only carry out oil-gas separation once, can guarantee the work of helium and the thorough separation of oil, moreover this device can reach the quick dismantlement work of filter core, subsequent maintenance work has not only been made things convenient for, the work of purifying has still been guaranteed to good recovery of helium.

Description

Helium recovery and purification device for helium mass spectrometer leak detector

Technical Field

The utility model belongs to the technical field of the helium is retrieved, specifically is a helium recovery purifier that helium mass spectrometer leak detector used.

Background

Helium mass spectrum leak hunting is the gas industry noun term, use helium or hydrogen as the leak hunting gas, detect helium and carry out the mass spectrometer of leak hunting with gas analyzer, helium is after using, because compressor and the vacuum pump that uses all are oil lubrication, helium can receive the pollution of oil, consequently need regularly discharge modes such as helium through the compressor blowoff valve and retrieve helium, it is more complicated to lead to current recovery unit structure, oil-gas separation is carried out many times, and the oil-gas separation effect is unsatisfactory, and current recovery unit and filter core are as an organic whole, it changes the purpose of maintaining to be difficult to reach the dismantlement, consequently, be unfavorable for subsequent purification work.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a helium recovery purifier that helium mass spectrometer leak detector used has solved current recovery unit structure more complicacy, will carry out oil-gas separation many times, and the oil-gas separation effect is unsatisfactory to current recovery unit and filter core are as an organic whole, are difficult to reach and dismantle the purpose of changing the maintenance, consequently are unfavorable for subsequent purification work's problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a helium recovery purifier that helium mass spectrometer leak detector used, includes the collection box, the collection box is through four bolts and apron fixed connection, the upper surface joint of apron has drive assembly, the upper surface joint of apron has first bearing, the siphunculus has been cup jointed in the first bearing, a plurality of gas pocket has been seted up to the surface of siphunculus, be provided with the connecting piece in the siphunculus.

The surface overlap joint of siphunculus has the filter core, the fixed subassembly of the fixed surface fixedly connected with of filter core, the fixed lower fixed surface fixedly connected with filter screen of fixed subassembly, the filter screen sets up in the collection box, the surface of siphunculus and the last fixed surface fixedly connected with of filter core have two stop gear, the siphunculus joint is in drive assembly.

As a further aspect of the present invention: the lower surface of the recovery tank is communicated with the top end of the return pipe, and the left side surface of the recovery tank is communicated with the right end of the discharge pipe.

As a further aspect of the present invention: the lower surface of apron and the equal fixedly connected with of upper surface of collection box are sealed, two the opposite face overlap joint of sealed pad.

As a further aspect of the present invention: the driving assembly comprises a motor, the motor is fixedly connected to the upper surface of the cover plate, an output shaft of the motor is connected with a driving wheel in a clamping mode, the driving wheel is meshed with a driven wheel, and the driven wheel is connected with the outside of the through pipe in a clamping mode.

As a further aspect of the present invention: stop gear includes frame and movable rod, frame fixed connection is at the right flank of siphunculus, the back overlap joint of frame has the block rubber, the positive fixedly connected with bolt of block rubber, the bolt sets up in the frame, the through-hole has been seted up to the upper surface of movable rod, the bolt is located the through-hole, the movable rod is articulated through round pin axle and two fixed blocks, two the opposite face of fixed block through two torsional springs respectively with the front and the back fixed connection of movable rod, two the equal fixed connection of fixed block is at the upper surface of crossing the filter core.

As a further aspect of the present invention: the connecting piece includes the takeover, be provided with sealed bearing outside the takeover, sealed bearing cup joints in the through-pipe, fixed subassembly includes three couple, and is three equal fixed connection of couple is at the lower surface of crossing the filter core, be provided with the link in the couple, it is three equal fixed connection of link is at the upper surface of filter screen.

(III) advantageous effects

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

1. the helium recovery and purification device for the helium mass spectrometer leak detector is characterized in that cooled helium is introduced into the filter element through the connecting pipe and the through pipe by arranging the connecting pipe, the through pipe, the filter element, the bolt, the torsion spring and the movable rod, helium gas, due to its low viscosity coefficient, can pass through the filter element and be discharged through the discharge tube, while oil accumulates on the surface of the filter element, which, when disassembled, can be removed by pulling the plug out of the frame, the torsion spring springs open the movable rod to disassemble the filter element, so that the filter element of the device is made of nano glass fiber and can remove tiny oil drops, the device has simple structure and good oil-gas separation effect, only performs one-time oil-gas separation, can guarantee the work of helium and the thorough separation of oil, this device can reach the quick dismantlement work of filter element moreover, has not only made things convenient for subsequent maintenance work, has still guaranteed the good work of retrieving the purification to the helium.

2. This helium recovery purifier that helium mass spectrometer leak detector used, through setting up the filter screen, and the shape of filter screen is the wave and arranges for the greasy dirt drops to the filter screen surface, can reach the filterable demand of multiple spot flow direction, has increased filterable area, thereby can carry out better filtration to impurity in the greasy dirt, is favorable to carrying out reuse's work to the fluid after filtering, has avoided the waste of fluid.

3. This helium recovery purifier that helium mass spectrometer leak detector used through setting up motor, action wheel and from the driving wheel for the motor drives the action wheel rotatory, makes to drive the siphunculus rotatory from the driving wheel, thereby can reach and cross the work that the filter core carries out the rotation, has guaranteed the work that the filter core throws away the greasy dirt, makes the separation efficiency of greasy dirt higher.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic structural view of the limiting mechanism of the present invention viewed from above;

FIG. 3 is a front view of the connecting member of the present invention;

fig. 4 is a front view of the fixing component of the present invention;

in the figure: 1 separating box, 2 first bearings, 3 bolts, 4 cover plates, 5 driving components, 51 driven wheels, 52 driving wheels, 53 motors, 6 discharge pipes, 7 sealing gaskets, 8 connecting pieces, 81 connecting pipes, 82 sealing bearings, 9 limiting mechanisms, 91 fixing blocks, 92 torsion springs, 93 pin shafts, 94 frames, 95 through holes, 96 bolts, 97 rubber blocks, 98 movable rods, 10 through pipes, 11 air holes, 12 filter cores, 13 fixing components, 131 hooks, 132 hanging rings, 14 filter screens and 15 return pipes.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a helium recovery purifier that helium mass spectrometer leak detector used, including collection box 1, collection box 1 is through four bolts 3 and 4 fixed connection of apron, through setting up bolt 3, thereby can guarantee the work of firm in connection between apron 4 and the collection box 1, the upper surface joint of apron 4 has drive assembly 5, the upper surface joint of apron 4 has first bearing 2, through setting up first bearing 2, thereby can guarantee that siphunculus 10 stabilizes pivoted work, the siphunculus 10 has been cup jointed in the first bearing 2, a plurality of gas pocket 11 has been seted up to the surface of siphunculus 10, be provided with connecting piece 8 in the siphunculus 10.

The outer surface of the through pipe 10 is lapped with the filter element 12, the filter element 12 is arranged, the filter element 12 is made of nano glass fiber, and tiny oil drops can be removed, so that the device is simple in structure, good in oil-gas separation effect, complete separation of helium and oil can be ensured only by performing oil-gas separation once, the lower surface of the filter element 12 is fixedly connected with the fixing component 13, the lower surface of the fixing component 13 is fixedly connected with the filter screen 14, the filter screen 14 is arranged in a wave shape, oil stains can fall to the surface of the filter screen 14, the requirement of multi-point flow direction filtration can be met, the filtration area is increased, impurities in the oil stains can be better filtered, recycling of the filtered oil is facilitated, waste of the oil is avoided, the filter screen 14 is arranged in the recovery box 1, the outer surface of the through pipe 10 and the upper surface of the filter element 12 are fixedly connected with two limiting mechanisms 9, and the through pipe 10 is clamped in the driving component 5.

Specifically, as shown in fig. 1, the lower surface of the recycling box 1 is communicated with the top end of a return pipe 15, the return pipe 15 is arranged to facilitate the work of discharging purified oil, the left side surface of the recycling box 1 is communicated with the right end of a discharge pipe 6, the discharge pipe 6 is arranged to ensure the work of discharging and recycling purified helium, the lower surface of the cover plate 4 and the upper surface of the recycling box 1 are both fixedly connected with a sealing gasket 7, the sealing gasket 7 is arranged to ensure the sealing performance of the connection between the cover plate 4 and the recycling box 1, the opposite surfaces of the two sealing gaskets 7 are lapped, the driving assembly 5 comprises a motor 53, the motor 53 is fixedly connected to the upper surface of the cover plate 4, the output shaft of the motor 53 is clamped with a driving wheel 52, the driving wheel 52 is engaged with a driven wheel 51, the driven wheel 51 is clamped outside the through pipe 10, and by arranging the motor 53, the driving wheel 52 and the driven wheel 51, the motor 53 drives the driving wheel 52 to rotate, the driven wheel 53 drives the through pipe 10 to rotate, so that the filter element 12 can rotate, the oil stain can be thrown away by the filter element 12, and the oil stain separation efficiency is higher.

Specifically, as shown in fig. 2, the limiting mechanism 9 includes a frame 94 and a movable rod 98, the frame 94 is fixedly connected to the right side of the through pipe 10, a rubber block 97 is lapped on the back of the frame 94, the rubber block 97 is disposed and can be squeezed by applying force to deform, so as to facilitate the work of taking out the bolt 96, meanwhile, the rubber block 97 can limit the bolt 96, thereby avoiding the problem that the bolt 96 is separated from the frame 94 to cause the fixing failure of the filter element 12, the front of the rubber block 97 is fixedly connected with the bolt 96, the bolt 96 is disposed in the frame 94, the upper surface of the movable rod 98 is provided with a through hole 95, the bolt 96 is located in the through hole 95, and by providing the through hole 95, so as to provide a fixing point for the bolt 96, thereby ensuring the work of connecting the bolt 96 with the movable rod 98, the movable rod 98 is hinged with the two fixed blocks 91 through the pin 93, the opposite surfaces of the two fixed blocks 91 are fixedly connected with the front and the back of the movable rod 98 through two torsion springs 92, through setting up torsional spring 92, and torsional spring 92 can utilize the torsion of self to drive the upset of movable rod 98 to be favorable to the work of dismantling, the equal fixed connection of two fixed blocks 91 is at the upper surface of crossing filter core 12.

Specifically, as shown in fig. 4, the connecting piece 8 includes the takeover 81, be provided with seal bearing 82 outside the takeover 81, through setting up seal bearing 82, and seal bearing 82 not only can guarantee the leakproofness between takeover 81 and the siphunculus 10, can also guarantee the work of siphunculus 10 normal rotation, seal bearing 82 cup joints in siphunculus 10, fixed subassembly 13 includes three couple 131, the equal fixed connection of three couple 131 is at the lower surface of crossing filter core 12, be provided with link 132 in the couple 131, through setting up couple 131 and link 132, and couple 131 can hang in link 132, thereby can carry out fixed work to filter screen 14, conveniently dismantle the work of filter screen 14 to impurity clearance simultaneously, the equal fixed connection of three link 132 is at the upper surface of filter screen 14.

The utility model discloses a theory of operation does:

s1, when in use, the cooled helium enters the connecting pipe 81 and the through pipe 10, so that the helium is in contact with the filter element through the air hole 11, the condensed larger oil drops are accumulated on the surface of the filter element 12 from inside to outside under the action of the internal and external pressure difference, and the smaller oil particles are intercepted by the filter element 12 to form oil drops and are accumulated on the surface of the filter element 12, and the helium can pass through the filter element 12, flow upwards and is discharged through the discharge pipe 6 because the viscosity coefficient of the helium is very small;

s2, controlling the motor 53 to drive the driving wheel 52 to rotate, so that the driving wheel 52 drives the through pipe 10 to rotate through the driven wheel 51, the through pipe 10 drives the filter element 12 to rotate, oil accumulated on the surface of the filter element 12 can be thrown out, the oil falls onto the surface of the filter screen 14 to be rolled and filtered, impurities are accumulated on the surface of the filter screen 14, and pure oil after filtering can be discharged through the return pipe 15;

s3, when disassembling, the bolt 3 can be disassembled, the filter element 12 is taken out by lifting upwards, the through pipe 10 is turned and fixed through the outer fixing piece, the rubber block 97 is deformed to be separated from the frame 94 and the through hole 95 through the drawing bolt 96, the torsion spring 92 drives the movable rod 98 to turn upwards, the filter element 12 is taken down, and meanwhile, impurities on the surface of the filter screen 14 can be cleaned.

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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a helium recovery purifier that helium mass spectrometer leak detector used, includes collection box (1), its characterized in that: the recycling bin (1) is fixedly connected with a cover plate (4) through four bolts (3), a driving assembly (5) is connected to the upper surface of the cover plate (4) in a clamping mode, a first bearing (2) is connected to the upper surface of the cover plate (4) in a clamping mode, a through pipe (10) is connected to the first bearing (2) in a sleeved mode, a plurality of air holes (11) are formed in the outer surface of the through pipe (10), and a connecting piece (8) is arranged in the through pipe (10);

the surface overlap joint of siphunculus (10) has filter core (12), the fixed surface fixedly connected with fixed subassembly (13) of filter core (12), the fixed surface fixedly connected with filter screen (14) of fixed subassembly (13), filter screen (14) set up in collection box (1), the surface of siphunculus (10) and the fixed surface fixedly connected with of the upper surface of filtering core (12) are connected with two stop gear (9), siphunculus (10) joint is in drive assembly (5).

2. A helium recovery and purification device for a helium mass spectrometer leak detector as claimed in claim 1, wherein: the lower surface of the recovery tank (1) is communicated with the top end of the return pipe (15), and the left side surface of the recovery tank (1) is communicated with the right end of the discharge pipe (6).

3. A helium recovery and purification device for a helium mass spectrometer leak detector as claimed in claim 1, wherein: the lower surface of apron (4) and the equal fixedly connected with of upper surface of collection box (1) sealed pad (7), two the opposite face overlap joint of sealed pad (7).

4. A helium recovery and purification device for a helium mass spectrometer leak detector as claimed in claim 1, wherein: drive assembly (5) include motor (53), motor (53) fixed connection is in the upper surface of apron (4), the output shaft joint of motor (53) has action wheel (52), action wheel (52) and follow driving wheel (51) meshing, follow driving wheel (51) joint outside siphunculus (10).

5. A helium recovery and purification device for a helium mass spectrometer leak detector as claimed in claim 1, wherein: stop gear (9) are including frame (94) and movable rod (98), frame (94) fixed connection is at the right flank of siphunculus (10), the back overlap joint of frame (94) has block rubber (97), positive fixedly connected with bolt (96) of block rubber (97), bolt (96) set up in frame (94), through-hole (95) have been seted up to the upper surface of movable rod (98), bolt (96) are located through-hole (95), movable rod (98) are articulated through round pin axle (93) and two fixed blocks (91), two the opposite face of fixed block (91) is through two torsional springs (92) respectively with the front and the back fixed connection of movable rod (98), two the equal fixed connection of fixed block (91) is at the upper surface of filter core (12).

6. A helium recovery and purification device for a helium mass spectrometer leak detector as claimed in claim 1, wherein: connecting piece (8) are including taking over (81), take over (81) and be provided with sealed bearing (82) outward, sealed bearing (82) cup joint in siphunculus (10), fixed subassembly (13) are including three couple (131), and are three equal fixed connection in the lower surface of crossing filter core (12) couple (131), be provided with link (132) in couple (131), it is three equal fixed connection in the upper surface of filter screen (14) link (132).