CN219495773U - Powder active carbon extraction type sampler - Google Patents

Abstract

The utility model relates to a powder activated carbon extraction type sampler, and belongs to the field of sampling equipment. The device comprises a sampling tube (1), a cylinder (2) and a drawing rod (5), wherein one end of the cylinder (2) is sealed, the sealed end is connected with the sampling tube (1), and a one-way air inlet component is arranged at the communication part of the cylinder (2) and the sampling tube (1); one end of the drawing rod (5) is provided with a piston and is arranged in the cylinder body (2), the other end of the drawing rod penetrates through the filtering cover (4), the middle part of the cylinder body (2) is provided with a discharging pipe (3), the sealing end of the cylinder body (2) is provided with an exhaust hole (8), and a unidirectional exhaust component is arranged at the exhaust hole (8). The device can extract powder into the cylinder body (2) by pulling the drawing rod (5), sampling powder can be obtained by opening the discharging pipe (3), and the operation is safe and dust-free. The problems that the existing sampling mode inevitably causes powder activated carbon to fly in the bag opening and sampling processes, harm operators and pollute the production environment are solved.

Description

Powder active carbon extraction type sampler

Technical Field

The utility model relates to a powder activated carbon extraction type sampler, and belongs to the field of sampling equipment.

Background

In the white spirit industry, a large amount of powdered activated carbon is adopted as a filter medium for fluid filtration, the texture of the powdered activated carbon is slight, the diameter of powder particles is about 20-100 mu m (more than 85% of 75 mu m), and the powder particles are easy to fly and suspend in the air to form tiny dust. The powdered activated carbon is generally packaged by adopting a 20 Kg-capacity packaging bag, wherein the packaging bag is generally formed by two layers, the inner layer is a PE film, and the outer layer is kraft paper. In order to ensure the filtering quality of the white spirit, before the white spirit is used, each batch of powdered activated carbon needs to be subjected to bag opening sampling and analysis detection. The existing sampling mode is to manually unwind the outer kraft paper, then tear or shear the inner PE film, and then take out the powdered activated carbon sample by a spoon or a manual shovel and put it into a sampling bag.

The existing sampling mode inevitably causes powder activated carbon to fly in the bag opening and sampling processes, and serious adverse effects are brought to professional health and production environment of operators. In addition, the long rod groove samplers currently common in the market mainly sample particulate or liquid materials, and there are no special samplers for fine dust powder materials of slight and very small diameters like powdered activated carbon.

Disclosure of Invention

The utility model aims to solve the technical problems that the existing sampling mode inevitably causes powder activated carbon to fly in the processes of bag opening and sampling, harm operators and pollute the production environment.

The technical scheme adopted for solving the technical problems is as follows: the powder activated carbon extraction type sampler comprises a sampling tube, a cylinder, a filtering cover and a drawing rod, wherein one end of the cylinder is sealed, the sealed end is connected with the sampling tube, and a one-way air inlet assembly is arranged at the communication part of the cylinder and the sampling tube; the other end of barrel is connected with filtering cover can dismantle, and pull rod one end is provided with the piston and arranges in the barrel, and the other end passes filtering cover and rather than sealing connection, and the barrel middle part is provided with the blowing pipe of taking the spiral cover, the barrel seals the end and is provided with the exhaust hole, and exhaust hole department is provided with one-way exhaust subassembly.

Wherein, in the above-mentioned device, the sampling portion that the barrel end was kept away from to the sampling tube is the recess column structure.

Wherein, in above-mentioned device filter lid and barrel tip threaded connection, and filter the lid inner wall and set gradually silica gel circle and filter layer from inside to outside.

The unidirectional air inlet assembly in the device comprises an air inlet valve, wherein the air inlet valve is of an arc top structure, and the air inlet valve is reversely buckled at the communication position of the cylinder body and the sampling tube.

Further, in the device, the one-way air inlet component further comprises a fixing rod and a connecting rod, wherein the fixing rod is arranged in the sampling tube in the radial direction, and one end of the connecting rod penetrates through the middle of the arc top of the air inlet valve and then is connected with the fixing rod.

Further, in the above device, the one-way exhaust component comprises an exhaust valve, and the arc top structure of the exhaust valve is inverted at the outer side of the exhaust hole.

Further, in the above device, the unidirectional exhaust component further comprises a connecting rod and a fixing strip, wherein the fixing strip is radially arranged along the exhaust hole, and one end of the connecting rod penetrates through the exhaust valve and then is connected with the fixing strip.

In the device, the air inlet valve and the air outlet valve are both silica gel sheets, and the notches of the air inlet valve and the air outlet valve are arranged oppositely.

Wherein, the exhaust hole in the device is internally provided with a filter cloth bag.

Wherein, in the device, a disc-shaped handheld part is arranged at the end of the drawing rod far away from the cylinder body.

The beneficial effects of the utility model are as follows: the device is convenient to operate during sampling, reduces dust pollution of powdered activated carbon, and is beneficial to the physical health and environmental protection of on-site operators. The powder activated carbon packaging bag does not need to be manually detached or cut in actual sampling, and does not need to be manually scooped with a tool, so that the powder activated carbon is prevented from overflowing and flying under manual disturbance to the maximum extent. Is friendly to the professional health and production environment of personnel. Meanwhile, after the filtering cloth bag is aged, damaged and blocked, the filtering cloth bag is convenient to replace, and the positioning column enables the replacement material to be positioned accurately, so that the use cost is reduced. Meanwhile, the device has the advantages of light weight, portability, low cost and convenient use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic drawing of the suction structure of the present utility model in full section.

Fig. 3 is an enlarged schematic view of the structure II in fig. 2 according to the present utility model.

FIG. 4 is a schematic view of a partial cross-sectional structure of the exhaust gas of the present utility model.

Fig. 5 is an enlarged schematic view of the structure at I in fig. 4 according to the present utility model.

Fig. 6 is a schematic view of the structure of the cylinder of the present utility model.

Fig. 7 is a schematic diagram of the fig. 5 full section structure of the present utility model.

FIG. 8 is a schematic view of a cross-sectional structure of the utility model.

Fig. 9 is a schematic view of the structure of the filter cap of the present utility model.

Marked in the figure as: 1 is a sampling tube, 11 is a sampling part, 2 is a cylinder, 3 is a discharge tube, 31 is a screw cap, 4 is a filter cap, 41 is a filter layer, 42 is a silica gel ring, 5 is a drawing rod, 51 is a handheld part, 6 is an air inlet valve, 61 is a fixed rod, 62 is a connecting rod, 7 is an air exhaust valve, 71 is a fixed strip, 72 is a connecting rod, and 8 is an air exhaust hole.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1 to 9, the powder activated carbon extraction type sampler comprises a sampling tube 1, a cylinder 2, a filtering cover 4 and a drawing rod 5, wherein one end of the cylinder 2 is sealed, the sealed end is connected with the sampling tube 1, and a one-way air inlet component is arranged at the communication part of the cylinder 2 and the sampling tube 1; the other end of barrel 2 is connected with filtering cover 4 can dismantle, and pull rod 5 one end is provided with the piston and arranges barrel 2 in, and the other end passes filtering cover 4 and rather than sealing connection, and barrel 2 middle part is provided with the blowing pipe 3 of taking spiral cover 31, barrel 2 seals the end and is provided with exhaust hole 8, and exhaust hole 8 department is provided with one-way exhaust subassembly. It can be understood by those skilled in the art that this device and barrel 2 and pull rod 5 constitute a structure similar to the syringe, just can send powdered activated carbon to barrel 2 through pushing and pulling pull rod 5 repeatedly, because the setting of one-way subassembly and one-way exhaust subassembly can in time be with inside gaseous discharge, realize the purpose of extracting powdered activated carbon repeatedly, and during the use, directly penetrate powder activated carbon wrapping bag with sampling tube 1, repeatedly pull, after getting a certain amount of sample, open spiral cover 3, with the bag cover that loads at the discharge tube 3 mouth tightly, horizontal and shake barrel 2 repeatedly, make the interior powdered activated carbon in the barrel 2 get into the material bag that changes, accomplish the sample work promptly. The unidirectional air inlet component realizes that powdered activated carbon enters the cylinder 2, and the unidirectional air outlet component performs air outlet when the air outlet component compresses the drawing rod 5.

Preferably, in the above device, the end of the sampling tube 1 far from the cylinder 2 is provided with a sampling part 11 with a groove-shaped structure. It will be appreciated by those skilled in the art that in order to facilitate insertion of the sampling tube 1 into the powdered activated carbon packaging bag, it is preferable that the sampling tube 1 has a sampling portion 11 having a groove-like structure at its end remote from the cylinder 2, and that the sampling portion 11 of such a structure may be directly inserted into the bag.

Preferably, in the above device, the filter cover 4 is screwed with the end of the cylinder 2, and the inner wall of the filter cover 4 is sequentially provided with a silica gel ring 42 and a filter layer 41 from inside to outside. It can be appreciated by those skilled in the art that, in order to facilitate cleaning the inside of the cylinder 2, the device preferably has a filter cover 4 screwed to the end of the cylinder 2, so as to facilitate disassembly and assembly, and in order to avoid dust overflow, the inner wall of the filter cover 4 preferably is provided with a silica gel ring 42 and a filter layer 41 from inside to outside. Preferably, the aperture of the filter layer 41 is 10-20 μm, which is used for intercepting the powder activated carbon missed by the sealing element of the pull rod 5 and the powder activated carbon attached to the inner wall of the cylinder body, and the silica gel ring 42 is used for fixing the filter layer 41 on the body of the filter cover 4, and a plurality of positioning columns can be preferably arranged on the cover body in practice, and are used for limiting when the filter layer 41 and the silica gel ring 42 are installed, so that the fixing screw is ensured to be accurately fixed.

Preferably, in the above device, the unidirectional air inlet assembly includes an air inlet valve 6, the air inlet valve 6 has a circular arc top structure, and the air inlet valve is reversely buckled at the communication position of the cylinder 2 and the sampling tube 1. It will be appreciated by those skilled in the art that, in order to reduce the cost of the device, it is preferable that the one-way air inlet assembly comprises an air inlet valve 6, and it is further preferable that the air inlet valve 6 is in a circular arc top structure and is reversely buckled at the position where the cylinder 2 is communicated with the sampling tube 1. The air inlet valve 6 with the structure is an arc-shaped top silica gel piece, has elasticity, is positioned at the joint of the sampling tube 1 and the cylinder 2, is in an arc-shaped top shape without external force, and seals the sampling tube 1 from the inside in a back-off manner, so that powder cannot enter the cylinder 2 through the sampling tube 1; when the suction rod 5 moves towards the filtering cover 4, the periphery of the air inlet valve 6 is tilted upwards when the air inlet valve 6 receives a suction force, so that the communication part of the sampling tube 1 and the cylinder 2 is opened to form a powder channel, and at the moment, the powder activated carbon enters the cylinder 2.

Preferably, the unidirectional air intake assembly in the above device further comprises a fixing rod 61 and a connecting rod 62, wherein the fixing rod 61 is radially arranged in the sampling tube 1, and one end of the connecting rod 62 passes through the arc top middle part of the air intake valve 6 and then is connected with the fixing rod 61. It will be appreciated by those skilled in the art that, in order to facilitate fixing the air intake valve 6, the preferred unidirectional air intake assembly of the present device further includes a fixing rod 61 and a connecting rod 62, specifically, the fixing rod 61 is radially disposed in the sampling tube 1, that is, the fixing rod 61 is radially disposed in the sampling tube 1, while one end of the connecting rod 62 passes through the arc top middle part of the air intake valve 6 and then is connected with the fixing rod 61, and actually, it may be preferred that the connecting rod 62 has a screw structure, and the threaded end passes through the arc top middle part of the air intake valve 6 and then is in threaded connection with the fixing rod 61, so that the air intake valve 6 is kept to seal the communication place in normal state.

Preferably, the one-way exhaust assembly in the device comprises an exhaust valve 7, wherein the exhaust valve 7 is in a circular arc top structure and is reversely buckled at the outer side of the exhaust hole 8. It will be appreciated by those skilled in the art that while for ease of venting, it is preferred that the one-way vent assembly includes a vent valve 7, it is further preferred that the vent valve 7 have a rounded top configuration and that the undercut be at the outside of the vent hole 8. The exhaust valve 7 is a circular arc top type silica gel sheet, has elasticity, is circular arc top-shaped without external force, and seals the exhaust hole 8 from the outside in a back-off mode, when the pull rod 5 downwardly compresses the inner space of the barrel body, the exhaust valve 7 is subjected to outward air pressure, and the periphery of the exhaust valve 7 is tilted downwards, so that the exhaust hole 8 forms a gas channel. The gas in the cylinder 2 is filtered by a filter cloth bag (the filter aperture is 10-20 μm), the powder active carbon is intercepted in the cylinder 2, and the clean gas is discharged out of the cylinder 2.

Preferably, the one-way exhaust assembly further comprises a connecting rod 72 and a fixing strip 71, wherein the fixing strip 71 is radially arranged along the exhaust hole 8, and one end of the connecting rod 72 passes through the exhaust valve 7 and then is connected with the fixing strip 71. As will be appreciated by those skilled in the art, for convenience in fixing the exhaust valve 7, the preferred one-way exhaust assembly of the present device further includes a connecting rod 72 and a fixing strip 71, wherein the fixing strip 71 is radially disposed along the exhaust hole 8, that is, the fixing strip 71 is radially disposed at the opening along the exhaust hole 8, and one end of the connecting rod 72 is preferably connected with the fixing strip 71 after passing through the exhaust valve 7, and in practice, it may be preferred that the connecting rod 72 has a screw structure, such that one end of the screw is spirally connected with the fixing strip 71 after passing through the exhaust valve 7.

Preferably, in the above device, the air inlet valve 6 and the air outlet valve 7 are both made of silicone sheets, and the notches of the air inlet valve 6 and the air outlet valve 7 are arranged opposite to each other. It will be appreciated by those skilled in the art that in order to ensure tightness, the present device preferably has both the air inlet valve 6 and the air outlet valve 7 of a silicone sheet, and the recesses of the air inlet valve 6 and the air outlet valve 7 are disposed opposite to each other, that is, the air inlet valve 6 is disposed in the cylinder 2, and the recesses are disposed toward the sampling tube 1, and the air inlet valve 6 covers and seals the whole communication place. The exhaust valve 7 is arranged outside the exhaust hole 8, the exhaust valve 7 covers and seals the whole exhaust hole 8 from the outer end, and the notch of the exhaust valve 7 is arranged towards the cylinder 2.

Preferably, a filter cloth bag is arranged in the exhaust hole 8 in the device. It will be appreciated by those skilled in the art that in order to avoid that powdered activated carbon overflows from the vent hole 8, the device is preferably provided with a filter cloth bag in the vent hole 8, so that the gas filtered by the filter cloth bag can be discharged from the vent hole 8.

Preferably, in the above device, the end of the pull rod 5 away from the cylinder 2 is provided with a disk-shaped holding part 51. It will be appreciated by those skilled in the art that, in order to facilitate the holding of the pull rod 5, the present device preferably has a holding portion 51 at the end of the pull rod 5, and the holding portion 51 is preferably in a disc-shaped structure, and may be directly and vertically disposed at the end of the pull rod 5.

Device principle and notice:

the powder active carbon has a powder diameter of about 20-100 μm (75 μm accounts for more than 85%), so that the filter pore diameter of the filter cloth bag layer and the filter cloth bag is within 20 μm.

When the powder activated carbon packaging bag is used, the sampling part 11 is directly inserted into the packaging bag from the outside of the powder activated carbon packaging bag by screwing.

And thirdly, the drawing rod 5 is drawn towards the direction of the filtering cover 4, at the moment, under the action force of drawing, the periphery of the air inlet valve 6 is tilted inwards towards the cylinder 2, and the powdered activated carbon enters the sampling tube 1 from the sampling part 11 and finally enters the cylinder 2.

And fourthly, pushing the drawing rod 5 towards the sampling tube 1, compressing the space between the piston of the drawing rod 5 and the filter cloth bag, and under the action of gas pressure, the periphery of the exhaust valve 7 is tilted outwards, and the gas in the cylinder 2 is discharged out of the cylinder 2 after being filtered by the filter cloth bag.

And (V) repeating the pumping step until a certain amount of samples exist in the cylinder 2. After sampling, the insertion opening of the powdered activated carbon package was firmly stuck with an adhesive tape.

And (six) opening the spiral cover 3, sleeving the charging bag on the opening of the discharging pipe 3, transversely arranging the charging bag downwards, and repeatedly shaking the cylinder 2 to enable the powdered activated carbon in the cylinder 2 to enter the material rotating bag, thus completing the sampling work.

Claims (10)

1. Powder active carbon extraction formula sampler, its characterized in that: the device comprises a sampling tube (1), a tube body (2), a filtering cover (4) and a drawing rod (5), wherein one end of the tube body (2) is sealed, the sealed end is connected with the sampling tube (1), and a one-way air inlet component is arranged at the communication part of the tube body (2) and the sampling tube (1); the other end and the filtering cover (4) of barrel (2) can be dismantled and be connected, and pull rod (5) one end is provided with the piston and arranges barrel (2) in, and the other end passes filtering cover (4) and rather than sealing connection, barrel (2) middle part is provided with blowing pipe (3) of taking spiral cover (31), barrel (2) seal the end and are provided with exhaust hole (8), and exhaust hole (8) department is provided with one-way exhaust subassembly.

2. The powdered activated carbon extraction sampler of claim 1, wherein: the end, far away from the cylinder body (2), of the sampling tube (1) is provided with a sampling part (11) with a groove-shaped structure.

3. The powdered activated carbon extraction sampler of claim 1, wherein: the filter cover (4) is in threaded connection with the end part of the cylinder body (2), and a silica gel ring (42) and a filter layer (41) are sequentially arranged on the inner wall of the filter cover (4) from inside to outside.

4. The powdered activated carbon extraction sampler of claim 1, wherein: the unidirectional air inlet assembly comprises an air inlet valve (6), the air inlet valve (6) is of an arc top structure, and the air inlet valve is reversely buckled at the communication position of the cylinder body (2) and the sampling tube (1).

5. The powdered activated carbon extraction sampler of claim 4, wherein: the one-way air inlet assembly further comprises a fixing rod (61) and a connecting rod (62), wherein the fixing rod (61) is arranged in the sampling tube (1) along the radial direction, and one end of the connecting rod (62) penetrates through the middle of the arc top of the air inlet valve (6) and then is connected with the fixing rod (61).

6. The powdered activated carbon extraction sampler of claim 4, wherein: the one-way exhaust assembly comprises an exhaust valve (7), wherein the exhaust valve (7) is of a circular arc top structure and is reversely buckled at the outer side of the exhaust hole (8).

7. The powdered activated carbon extraction sampler of claim 6, wherein: the one-way exhaust assembly further comprises a connecting rod (72) and a fixing strip (71), wherein the fixing strip (71) is radially arranged along the exhaust hole (8), and one end of the connecting rod (72) penetrates through the exhaust valve (7) and then is connected with the fixing strip (71).

8. The powdered activated carbon extraction sampler of claim 6, wherein: the air inlet valve (6) and the air outlet valve (7) are both silica gel sheets, and notches of the air inlet valve (6) and the air outlet valve (7) are arranged oppositely.

9. The powdered activated carbon extraction sampler of claim 1, wherein: a filter cloth bag is arranged in the exhaust hole (8).

10. The powdered activated carbon extraction sampler of claim 1, wherein: the end, far away from the cylinder body, of the drawing rod (5) is provided with a disc-shaped handheld part (51).