CN219495773U - Powdered Activated Carbon Extraction 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

Powdered Activated Carbon Extraction Sampler

technical field

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

Background technique

In the liquor industry, a large number of powdered activated carbons are used as filter media for fluid filtration. Powdered activated carbons are light in texture, and the diameter of powder particles is about 20-100 μm (75 μm accounts for more than 85%). It is easy to fly and suspend in the air to form fine dust. Powdered activated carbon is generally packaged in a 20Kg capacity packaging bag. The packaging bag is generally two layers, the inner layer is PE film, and the outer layer is kraft paper. In order to ensure the quality of liquor filtration, each batch of powdered activated carbon needs to be opened for sampling and analysis before use. The existing sampling mode is to manually untie the outer layer of kraft paper, then tear or cut the inner layer of PE film, and then use a spoon or manual shovel to take out the powdered activated carbon sample and put it into the sampling bag.

This existing sampling method will inevitably cause the powdered activated carbon to fly during the bag opening and sampling process, which will have a serious adverse effect on the occupational health of the operators and the production environment. In addition, the long-stem groove samplers currently on the market are mainly for sampling particulate matter or liquid matter, and there is no special sampler for fine dust powder materials with slight and extremely small diameters such as powdered activated carbon.

Utility model content

The technical problem to be solved by the utility model is that the existing sampling method will inevitably cause the powder activated carbon to flutter during the bag opening and sampling process, which will endanger the operators and pollute the production environment.

The technical solution adopted by the utility model to solve the technical problem is: powdered activated carbon extraction type sampler, including sampling tube, cylinder body, filter cover and pull rod, one end of the cylinder body is sealed, and the sealed end is connected with the sampling tube, the cylinder There is a one-way air intake assembly at the connection between the body and the sampling tube; the other end of the cylinder is detachably connected to the filter cover, one end of the pull rod is provided with a piston and placed in the cylinder, and the other end passes through the filter cover and is sealed with it. A discharge pipe with a screw cap is arranged in the middle of the body, and an exhaust hole is arranged at the sealing end of the cylinder body, and a one-way exhaust assembly is arranged at the exhaust hole.

Wherein, in the above-mentioned device, the end of the sampling tube far away from the barrel is a sampling part with a groove-like structure.

Wherein, the filter cover in the above device is threadedly connected to the end of the cylinder body, and the inner wall of the filter cover is provided with a silicone ring and a filter layer sequentially from the inside to the outside.

Wherein, the one-way air intake component in the above-mentioned device includes an air intake valve, and the air intake valve has a circular arc top structure, and is buckled upside down at the connection between the cylinder body and the sampling tube.

Further, the one-way air intake assembly in the above device further includes a fixed rod and a connecting rod, the fixed rod is radially arranged in the sampling tube, and one end of the connecting rod passes through the middle of the arc top of the inlet valve and is connected to the fixed rod.

Further, the one-way exhaust assembly in the above-mentioned device includes an exhaust valve, and the exhaust valve has a circular arc top structure, and is buckled on the outside of the exhaust hole.

Further, the one-way exhaust assembly in the above device further includes a connecting rod and a fixing bar, the fixing bar is arranged radially along the exhaust hole, and one end of the connecting rod is connected to the fixing bar after passing through the exhaust valve.

Wherein, the inlet valve and the exhaust valve in the above device are both silica gel sheets, and the notches of the inlet valve and the exhaust valve are arranged opposite to each other.

Wherein, a filter cloth bag is arranged in the vent hole of the above-mentioned device.

Wherein, in the above-mentioned device, the end of the pull rod away from the barrel is provided with a disc-shaped handle.

The beneficial effects of the utility model are: the device is convenient to operate when sampling, and at the same time reduces the dust pollution of the powder activated carbon, which is beneficial to the health of field operators and environmental protection. The actual sampling does not require manual dismantling and cutting of powdered activated carbon packaging bags, and manual use of tools to scoop powdered activated carbon is not required, so as to minimize the spillage of powdered activated carbon under artificial disturbance. Friendly to personnel occupational health and production environment. At the same time, after the filter bag is aged, damaged, or clogged, it is easy to replace, and the positioning column makes the positioning of the replacement material accurate and reduces the cost of use. At the same time, the parts of the device are light and easy to carry, low in cost and easy to use.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the full-section suction structure of the utility model.

FIG. 3 is an enlarged schematic diagram of the structure at II in FIG. 2 of the present utility model.

Fig. 4 is a schematic diagram of a partial cross-sectional structure of the exhaust of the utility model.

Fig. 5 is the utility model Fig. 4 in I place structural enlarged structural representation.

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

Fig. 7 is a schematic diagram of the full sectional structure of Fig. 5 of the utility model.

Fig. 8 is a schematic diagram of the A-A sectional structure of the utility model.

Fig. 9 is a structural schematic diagram of the filter cover of the present invention.

The marks in the figure are: 1 is the sampling tube, 11 is the sampling part, 2 is the cylinder, 3 is the discharge pipe, 31 is the screw cap, 4 is the filter cover, 41 is the filter layer, 42 is the silicone ring, 5 is the pull rod , 51 is a handle, 6 is an inlet valve, 61 is a fixed rod, 62 is a connecting rod, 7 is an exhaust valve, 71 is a fixed bar, 72 is a connecting rod, and 8 is an exhaust hole.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in Figures 1 to 9, the powdered activated carbon extraction sampler of the present utility model includes a sampling tube 1, a cylinder body 2, a filter cover 4 and a pull rod 5, one end of the cylinder body 2 is sealed, and the sealing end is connected to the sampling tube 1 connection, a one-way air intake assembly is provided at the connection between the cylinder body 2 and the sampling tube 1; the other end of the cylinder body 2 is detachably connected with the filter cover 4, and a piston is arranged at one end of the pull rod 5 and placed in the cylinder body 2, and the other end One end passes through the filter cover 4 and is sealedly connected with it. The middle part of the cylinder body 2 is provided with a discharge pipe 3 with a screw cap 31. The sealing end of the cylinder body 2 is provided with a vent hole 8, and the vent hole 8 is provided with a one-way Exhaust components. Those skilled in the art can understand that the device, the barrel 2 and the drawer rod 5 form a structure similar to a syringe, and the powdered activated carbon can be sent into the barrel 2 by repeatedly pushing and pulling the drawer rod 5. The setting of the air component and the one-way exhaust component can discharge the internal gas in time to achieve the purpose of repeatedly extracting powdered activated carbon. When in use, directly insert the sampling tube 1 into the powdered activated carbon packaging bag and pull it repeatedly. After measuring the sample, open the screw cap 3, put the charging bag tightly on the opening of the discharge pipe 3, place it horizontally and shake the cylinder 2 repeatedly, so that the inner powdered activated carbon in the cylinder 2 enters the transfer bag, and the sampling work is completed . The one-way air intake component is to realize the powdered activated carbon entering the cylinder 2, and the one-way exhaust component is set to exhaust when the drawing rod 5 is compressed.

Preferably, the end of the sampling tube 1 far away from the cylinder body 2 in the above device is a sampling part 11 with a groove-like structure. Those skilled in the art can understand that, in order to facilitate the insertion of the sampling tube 1 into the powdered activated carbon packaging bag, it is preferred that the sampling tube 1 is a sampling part 11 with a groove-like structure away from the end of the cylinder body 2, and the sampling part 11 of this structure can be directly inserted into the packaging bag. into the bag.

Preferably, the filter cover 4 in the above device is screwed to the end of the cylinder body 2, and the inner wall of the filter cover 4 is provided with a silicone ring 42 and a filter layer 41 sequentially from the inside to the outside. Those skilled in the art can understand that, in order to facilitate the cleaning of the inside of the cylinder body 2, the preferred filter cover 4 of this device is threadedly connected with the end of the cylinder body 2, which is convenient for disassembly and assembly. A silicone ring 42 and a filter layer 41 are arranged on the outside in sequence. The filter layer 41 preferably has a pore size of 10-20 μm, which is used to intercept the powdered activated carbon leaked by the seal of the pull rod 5 and the powdered activated carbon attached to the inner wall of the cylinder body, and the silica gel ring 42 is used to fix the filter layer 41 on the filter cover 4. On the main body, it is preferable to set several positioning posts on the cover body to limit the position when installing the filter layer 41 and the silicone ring 42, so as to ensure that the fixing screws are accurately fixed.

Preferably, the one-way air intake component in the above device includes an air intake valve 6, the air intake valve 6 has a circular arc top structure, and is buckled upside down at the connection between the cylinder body 2 and the sampling tube 1 . Those skilled in the art can understand that, in order to reduce the cost of this device, it is preferable that the one-way air intake assembly includes an air intake valve 6, and it is further preferred that the air intake valve 6 has a circular arc top structure, and is buckled between the cylinder body 2 and the sampling tube. 1 connection. The air intake valve 6 set in this structure is a circular-arc top-shaped silicone sheet, which is elastic and is located at the connection between the sampling tube 1 and the cylinder body 2. When there is no external force, it is in the shape of an arc-shaped top, and it is closed and sampled from the inside in an inverted manner. tube 1, so that the powder cannot enter the cylinder 2 through the sampling tube 1; when the pulling rod 5 moves to the direction of the filter cover 4, when the intake valve 6 is subjected to the suction force, the surroundings of the intake valve 6 are tilted upward, so that the sampling The connection between the tube 1 and the cylinder 2 is opened to form a powder channel, and the powdered activated carbon enters the cylinder 2 at this time.

Preferably, the one-way air intake assembly in the above device further includes a fixed rod 61 and a connecting rod 62, the fixed rod 61 is radially arranged in the sampling tube 1, and one end of the connecting rod 62 passes through the arc top of the inlet valve 6 The middle part is connected with the fixed rod 61 behind. Those skilled in the art can understand that, in order to facilitate the fixing of the intake valve 6, the preferred one-way intake assembly of the device further includes a fixed rod 61 and a connecting rod 62, specifically the fixed rod 61 is radially arranged in the sampling tube 1, That is to say, the fixed rod 61 is radially arranged inside the sampling tube 1, and one end of the connecting rod 62 is connected to the fixed rod 61 after passing through the middle part of the arc top of the inlet valve 6. Actually, the preferred connecting rod 62 is a screw structure, and the screw thread The end passes through the middle part of the arc top of the intake valve 6 and is threadedly connected with the fixed rod 61, and the intake valve 6 will block the connection under the normal state.

Preferably, the one-way exhaust assembly in the above device includes an exhaust valve 7, the exhaust valve 7 has a circular arc top structure, and is buckled on the outside of the exhaust hole 8. Those skilled in the art can understand that, at the same time, for the convenience of exhaust, it is preferable that the one-way exhaust assembly includes the exhaust valve 7 , and it is further preferred that the exhaust valve 7 has a circular arc top structure and is buckled on the outside of the exhaust hole 8 . And the exhaust valve 7 is a circular-arc top-shaped silica gel sheet, which is elastic and has a circular-arc top shape when there is no external force. It closes the exhaust hole 8 from the outside in an inverted manner. When the pull rod 5 compresses the inner space of the cylinder body downward , the exhaust valve 7 is subject to outward air pressure, and the exhaust valve 7 is tilted downward around the exhaust valve, so that the exhaust hole 8 forms a gas passage. The gas containing powdered activated carbon in the cylinder 2 passes through the filter bag (filter aperture 10-20 μm), the powdered activated carbon is intercepted in the cylinder 2, and the clean gas is discharged out of the cylinder 2.

Preferably, the one-way exhaust assembly in the above device further includes a connecting rod 72 and a fixing strip 71, the fixing strip 71 is arranged radially along the exhaust hole 8, and one end of the connecting rod 72 passes through the exhaust valve 7 Connect with the fixing bar 71. Those skilled in the art can understand that, similarly, in order to facilitate the fixing of the exhaust valve 7, the preferred one-way exhaust assembly of the device also includes a connecting rod 72 and a fixing strip 71, and the fixing strip 71 is arranged radially along the exhaust hole 8, That is to say, the fixing bar 71 is radially arranged at the opening along the exhaust hole 8, and preferably one end of the connecting rod 72 is connected to the fixing bar 71 after passing through the exhaust valve 7. In fact, the connecting rod 72 can preferably be a screw structure, One end of the screw rod passes through the exhaust valve 7 and is screwed to the fixing bar 71 .

Preferably, the inlet valve 6 and the exhaust valve 7 in the above device are both silicone sheets, and the notches of the inlet valve 6 and the exhaust valve 7 are arranged opposite to each other. Those skilled in the art can understand that, in order to ensure airtightness, the preferred inlet valve 6 and exhaust valve 7 of this device are all silica gel sheets, and the notches of the inlet valve 6 and the exhaust valve 7 are arranged oppositely, that is to say The inlet valve 6 is arranged in the barrel 2, and the notch is arranged toward the sampling tube 1, and the inlet valve 6 covers and seals the entire connection. And the exhaust valve 7 is arranged on the outside of the exhaust hole 8, and 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 toward the cylindrical body 2.

Preferably, a filter cloth bag is arranged in the exhaust hole 8 in the above device. Those skilled in the art can understand that, in order to prevent the powdery activated carbon from overflowing 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 pass through the vent hole 8 discharge.

Preferably, a disk-shaped handle 51 is provided at the end of the pull rod 5 far away from the barrel 2 in the above device. Those skilled in the art can understand that, in order to facilitate the holding of the drawer rod 5, the device is preferably provided with a hand-held part 51 at the end of the drawer rod 5. The 5 ends of the pull rod get final product.

Device principle and precautions:

(1) Powdered activated carbon, the powder diameter is about 20-100 μm (75 μm accounts for more than 85%), so the filter bag layer and filter bag filter pore size is within 20 μm.

(2) When in use, tighten the screw, and insert the sampling part 11 directly into the packaging bag from the outside of the powdered activated carbon packaging bag.

(3) Pull the pull rod 5 toward the filter cover 4. At this time, under the force of the pumping, the air inlet valve 6 is turned inwards towards the cylinder body 2, and the powdered activated carbon will enter the sampling tube 1 from the sampling part 11 and finally enter the cylinder body. 2.

(4) Push the drawing rod 5 toward the direction of the sampling tube 1, compress the space between the piston of the drawing rod 5 and the filter cloth bag, and under the action of the gas pressure, the exhaust valve 7 will warp around outward, and the gas in the cylinder body 2 will be filtered After bag filtration, it is discharged from cylinder 2.

(5) Repeat the above pumping and pushing steps until there is a certain amount of samples in the barrel 2 . After sampling, tape the insertion opening of the powdered activated carbon packaging bag firmly.

(6) Open the screw cap 3, put the charging bag tightly on the opening of the discharge pipe 3, place it horizontally downward and shake the cylinder 2 repeatedly, so that the powdered activated carbon in the cylinder 2 enters the transfer bag, and the sampling work is completed.

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).