CN219815773U - Laminated vacuum collecting pipe for secondary thermal analysis - Google Patents

Abstract

The utility model discloses a laminated vacuum collecting pipe for secondary thermal analysis, which comprises an outer pipe, wherein a detachable inner pipe is inserted into the outer pipe, two ends of the inner pipe are respectively communicated with the outside through the outer pipe, a material for absorbing benzene is arranged in the inner pipe, the outer side of the inner pipe is coated with a coating for electrifying and heating, an exhaust pipe capable of exhausting air unidirectionally and an air inlet pipe capable of being opened in a controlled manner are respectively arranged on the outer pipe, the exhaust pipe and the air inlet pipe are both communicated with the inner pipe, a filter screen is arranged at the opening of the air inlet pipe, a pair of binding posts electrically connected with the inner pipe are arranged on the outer pipe, one end of the outer pipe is inserted with a plug, and the other end of the outer pipe is provided with a baffle plate matched with the inner pipe.

Description

Laminated vacuum collecting pipe for secondary thermal analysis

Technical Field

The utility model relates to a laminated vacuum collecting pipe for secondary thermal desorption, belonging to the field of air purification.

Background

At present, a collecting pipe is used for collecting substances such as benzene contained in a room, then the collecting pipe is heated, the collected benzene is heated, but the collecting pipe is directly heated in the air to oxidize the collecting pipe, so that the pipe can only be used once, waste can be generated when the room is large, in order to solve the problems, the collecting pipe is protected in a vacuumizing mode, the using times of the collecting pipe are increased, but a protective sleeve is required to be installed on the outer side of the collecting pipe, so that the collecting pipe is required to be disassembled, but the vacuum between the collecting pipe and the protective sleeve is required to be ensured, and meanwhile, the collecting pipe is required to be electrified and heated, so that the assembling and disassembling steps are complicated at present, the adsorption treatment efficiency of benzene is reduced, the vacuumizing effect is poor when the screws are not screwed, and the protecting effect of the collecting pipe is reduced.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the laminated vacuum collecting pipe for secondary thermal analysis, which realizes the installation of the inner pipe in a plugging mode, has simple disassembly and assembly steps, and has better sealing effect along with vacuumizing and better protecting effect on the collecting pipe.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a stromatolite vacuum collection pipe for secondary thermal analysis, includes the outer tube, the inside grafting of outer tube has detachable inner tube, and the inner tube is the consumptive material, needs change after using certain number of times, and the both ends of inner tube communicate with each other with the external world through the outer tube respectively, open at the both ends of outer tube has the air vent with the external world is communicating, the internally mounted of inner tube has the material that is used for adsorbing benzene, and the material such as benzene that contains therein can be adsorbed when passing the inner tube, the outside coating of inner tube has the coating that the circular telegram was generated heat, and the circular telegram can heat the inner tube at the both ends of inner tube to can handle the benzene that is adsorbed in the inner tube, install the exhaust tube that can unidirectionally bleed and the intake pipe that can control open on the outer tube respectively, and exhaust tube and intake pipe all communicate with each other with the inner tube, and outer tube and inner tube communicate with each other simultaneously through the exhaust tube, and the intake pipe can make the external air get into the inside of outer tube and inner tube simultaneously, the opening of intake pipe installs the filter screen, and the setting of filter screen can avoid the debris in the external air to get into between the inner tube and the inner tube, the inside, the electric connection is installed with two and two ends of outer tube and the plug is installed to the plug and is suitable for connecting with the inside the plug.

Preferably, the outer tube comprises a tube body and a sealing block, the tube body is cylindrical with one end open, the inner tube can be inserted into the outer tube through the opening of the outer tube, the sealing block is inserted into the opening of the tube body, after the inner tube is inserted into the outer tube, the sealing block is arranged at the opening of the tube body, the inner side of the sealing block and the end face of the inner tube are provided with sockets matched with the inner tube, and the inner tube is better kept stable in the outer tube due to the arrangement of the sockets.

Preferably, the opening part of the pipe body is in a funnel shape with large outside and small inside, the shape of the sealing block is matched with the shape of the opening part of the pipe body, the funnel-shaped arrangement can facilitate staff to conveniently plug the sealing block on the pipe body, the outer side of the sealing block is coated with a rubber layer, and the rubber layer can deform when the sealing block is pushed by external air pressure.

Preferably, one end of the outer tube, which is far away from the plugging position of the sealing block, is provided with a funnel-shaped socket for plugging a plug, the shape of the plug is matched with that of the socket, one end face of the inner tube, which is close to the baffle plate, is provided with a fan-shaped opening, and the baffle plate can block the fan-shaped opening on the inner tube by rotating the sealing block.

Preferably, the inside fixedly connected with solid fixed ring and the mount of intake pipe, be connected with the closing plate through the shell fragment on the mount, the shape of shell fragment is "U" shape, and the both ends of its open end respectively with mount and closing plate fixed connection, the shell fragment has the elasticity of supporting the closing plate to solid fixed ring lateral surface tightly, gu fixed ring is the lateral surface far away from one side of outer tube, and the cross section of closing plate is the inclined plane of thin down thick.

Preferably, the outer end of the air inlet pipe is provided with a plurality of fan-shaped openings, the outer end of the air inlet pipe is rotationally connected with a blocking cap, the lower end of the blocking cap is turned inwards, the air inlet pipe is provided with a corresponding annular groove, the blocking cap can be stably rotationally connected to the air inlet pipe and cannot fall off, the blocking cap is provided with a plurality of through holes matched with the openings, and whether the blocking cap blocks the openings in the air inlet pipe can be controlled by rotating the blocking cap.

Preferably, the inner end fixedly connected with of terminal is big outside conductive ring of little in, and the one end that two conductive rings are close to each other is the inner, the conductive ring can produce elastic deformation, and open the outer end of conductive ring has a plurality of openings, and the internal diameter of conductive ring outer end is less than the external diameter of inner tube, and the internal diameter of conductive ring inner is greater than the external diameter of inner tube, be connected with the stabilizer bar between conductive ring and the outer tube, the setting of stabilizer bar can make the connection between conductive ring and the outer tube more stable.

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

1. the inner pipe is inserted into the pipe body, and the sealing block is inserted into the opening of the pipe body, so that the installation is completed, the installation mode is simple and quick, and the benzene adsorption treatment efficiency can be improved;

2. the openings of the sealing block and the pipe body are conical, the closer the inside of the pipe body is to vacuum, the more tightly the joint of the sealing block and the pipe body is under the external air pressure, and the better the sealing effect is;

3. the conductive ring and the inner tube are in an inserting connection mode, and the conductive ring is also clung to the inner tube under the action of the elastic force of the conductive ring, so that stable electric connection between the conductive ring and the inner tube is kept, and stable heating of the inner tube can be realized.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

Fig. 3 is an exploded view of fig. 2 in accordance with the present utility model.

Fig. 4 is a schematic view of the internal structure of the exhaust tube of the present utility model.

FIG. 5 is a schematic view of the installation of the filter screen of the present utility model

In the figure: 1. the device comprises an outer pipe, 101, a pipe body, 102, a sealing block, 2, an inner pipe, 3, an exhaust pipe, 4, an air inlet pipe, 5, a filter screen, 6, a binding post, 7, a fixing ring, 8, a fixing frame, 9, a spring piece, 10, a sealing plate, 11, a blocking cap, 12, a conducting ring, 13, a fixing rod, 14, a plug, 15 and a baffle.

Detailed Description

The utility model is illustrated below by means of specific examples, without however limiting the utility model.

In this embodiment, the laminated vacuum collecting pipe for secondary thermal analysis provided includes an outer pipe 1, a detachable inner pipe 2 is inserted into the outer pipe 1, the inner pipe 2 is a consumable material, the inner pipe 2 needs to be replaced after being used for a certain number of times, a plurality of stabilizing frames for supporting the inner pipe 2 are fixedly connected to the inner pipe 1, two ends of the inner pipe 2 are respectively communicated with the outside through the outer pipe 1, two ends of the outer pipe 1 are provided with air vents communicated with the outside, one end of the outer pipe 1 is connected with an external air pump, the other end of the outer pipe 1 is communicated with the outside, the air pump is started to enable the outside air to pass through the inner pipe 2, a material for adsorbing benzene is installed in the inner pipe 2, substances such as benzene contained in the outside air can be adsorbed when the outside air passes through the inner pipe 2, the outer side of the inner pipe 2 is coated with a coating layer for electrifying and heating, the inner pipe 2 can be heated when electrifying at two ends of the inner pipe 2, therefore, benzene absorbed in the inner tube 2 can be treated for the next use, the material absorbing benzene in the inner tube 2 and the electrified heating coating coated on the outer side of the inner tube 2 are both the prior art and are widely applied, so the utility model is not repeated, for example, the material absorbing benzene can be activated carbon or Metal Organic Frameworks (MOFs), the electrified heating coating can be metal oxide coating (such as tungsten dioxide), the outer tube 1 is respectively provided with an exhaust tube 3 capable of exhausting air unidirectionally and an air inlet tube 4 capable of being opened in a controlled manner, the exhaust tube 3 and the air inlet tube 4 are both communicated with the inner tube 2, the exhaust tube 3 and the air inlet tube 4 are simultaneously communicated with the outer tube 1 and the inner tube 2, the air in the outer tube 1 and the inner tube 2 can be simultaneously extracted through the exhaust tube 3, the air inlet tube 4 can enable the outside air to enter the inner parts of the outer tube 1 and the inner tube 2 simultaneously, the exhaust pipe 3 is arranged in a form capable of exhausting in one direction, so that the outside air can not enter the inner part of the outer pipe 1 and the inner pipe 2 through the exhaust pipe 3 after vacuumizing, and meanwhile, when the inner pipe 2 is used for absorbing substances such as benzene in the air, the outside air can not enter the inner pipe 2 through the exhaust pipe 3, the air inlet pipe 4 is arranged in a controllable opening form, the air inlet pipe 4 can be kept in a closed state during vacuumizing and after vacuumizing, the vacuumizing work can be smoothly completed, and the vacuum state is kept after vacuumizing, meanwhile, when the inner pipe 2 is used for absorbing substances such as benzene in the air, the air inlet pipe 4 needs to be kept in a closed state, the outside air is prevented from entering the inner pipe 2 through the air inlet pipe 4, the filter screen 5 is arranged at the opening of the air inlet pipe 4, the filter screen 5 can prevent the impurities in the outside air from entering the space between the outer pipe 1 and the inner pipe 2, the heating inner tube 2 is affected, a pair of binding posts 6 electrically connected with the inner tube 2 are arranged on the outer tube 1, the two binding posts 6 are respectively electrically connected with two ends of the inner tube 2, the two binding posts 6 are respectively electrically connected with the positive electrode and the negative electrode of a power supply, the two ends of the inner tube 2 can be electrified, at the moment, the coating on the outer side of the inner tube 2 can generate heat to heat the inner tube 2, thereby the substances such as benzene absorbed by the inner tube 2 can be treated, one end of the outer tube 1 is inserted with a plug 14, the other end of the outer tube 1 is provided with a baffle 15 matched with the inner tube 2, the inside of the inner tube 2 is not communicated with the outside, the two ends of the inner tube 2 are blocked by the plug 14 and the baffle 15 when the inner tube 2 is vacuumized, the inside of the inner tube 2 is kept in vacuum after vacuumized, the inner tube 2 is prevented from oxidizing after heating, the number of times of use of the inner tube 2 can be increased.

The outer tube 1 comprises a tube body 101 and a sealing block 102, the tube body 101 is cylindrical, one end of the tube body 101 is open, the tube body 101 is as shown in fig. 1 and 2, the inner tube 2 can be inserted into the outer tube 1 through the opening of the outer tube 1, the sealing block 102 is inserted into the opening of the tube body 101, after the inner tube 2 is inserted into the outer tube 1, the sealing block 102 is arranged at the opening of the tube body 101, so that the inner tube 2 can be protected by the outer tube 1, the inner side of the sealing block 102 and the end face of the inner tube 101 are both provided with sockets matched with the inner tube 2, the inner tube 2 can be better kept stable in the outer tube 1 due to the arrangement of the sockets, and meanwhile, the inner tube 2 and the outer tube 1 can be better kept sealed after the inner tube 2 is installed.

The opening part of the pipe body 101 is in a funnel shape with large outside and small inside, the shape of the sealing block 102 is matched with the shape of the opening part of the pipe body 101, the funnel-shaped arrangement can facilitate staff to conveniently plug the sealing block 102 on the pipe body 101, and meanwhile, when vacuumizing, the sealing block 102 can be pushed away towards the inside of the pipe body 101 by external air pressure, so that the sealing performance between the sealing block 102 and the pipe body 101 is better and better in the vacuumizing process, the rubber layer is coated on the outer side of the sealing block 102, and when the sealing block 102 is pushed by external air pressure, the rubber layer deforms, so that the sealing performance between the sealing block 102 and the pipe body 101 can be further enhanced.

The outer tube 1 is kept away from the funnel-shaped socket 16 that seals the piece 102 grafting department and opens to be used for pegging graft stopper 14, and the shape of stopper 14 and the shape looks adaptation of socket 16 keep the leakproofness between stopper 14 and the socket 16 when evacuating, and inner tube 2 is close to the one end face of baffle 15 and opens has fan-shaped opening (as shown in fig. 2 and 3), can make baffle 15 block fan-shaped opening on inner tube 2 through rotating seal piece 102, and baffle 15 and stopper 14 mutually support, can block up the both ends opening of inner tube 2, make the inside of inner tube 2 keep sealed.

The inside fixedly connected with solid fixed ring 7 and mount 8 of intake pipe 4, be connected with closing plate 10 through shell fragment 9 on the mount 8, the shape of shell fragment 9 is "U" shape, and the both ends of its open end respectively with mount 8 and closing plate 10 fixed connection, shell fragment 9 has the elasticity that supports tight gu fixed ring 7 lateral surface with closing plate 10, gu fixed ring 7 is the lateral surface far away from one side of outer tube 1, the cross section of closing plate 10 is the thick inclined plane in the upper and lower, the shape and the closing plate 10 looks adaptation of gu fixed ring 7 internal diameter (as shown in fig. 4), after the evacuation, also can keep the leakproofness between closing plate 10 and the fixed ring 7 under the effect of external atmospheric pressure.

The outer end of the air inlet pipe 4 is provided with a plurality of fan-shaped openings, the outer end of the air inlet pipe 4 is rotationally connected with a baffle cap 11, the lower end of the baffle cap 11 is folded inwards, the air inlet pipe 4 is provided with a corresponding annular groove, the baffle cap 11 can be stably rotationally connected onto the air inlet pipe 4 and cannot fall off, the lower side surface of the folded part of the baffle cap 11 is an inclined surface with the inner height and the outer height (shown in fig. 5), the installation can be realized in an interference fit mode, the baffle cap 11 is provided with a plurality of through openings matched with the openings, the air inlet pipe 4 is symmetrically provided with the fan-shaped openings, the size of the single fan-shaped opening is smaller than one fourth of the cross section size of the air inlet pipe 4, the baffle cap 11 can completely cover the opening of the air inlet pipe 4 when the baffle cap 11 is rotated, whether the baffle cap 11 blocks the opening on the air inlet pipe 4 or not can be controlled by rotating the baffle cap 11, and whether the air inlet pipe 4 is opened or not can be controlled.

The inner end fixedly connected with inside big outside little conducting ring 12 of terminal 6, the one end that two conducting rings 12 are close to each other is the inner, conducting ring 12 can produce elastic deformation, and the outer end of conducting ring 12 is opened there is a plurality of openings, the internal diameter of conducting ring 12 outer end is less than the external diameter of inner tube 2, the internal diameter of conducting ring 12 is greater than the external diameter of inner tube 2, when conducting ring 12 and inner tube 2 peg graft each other, inner tube 2 can prop up the one end that conducting ring 12 is small in size, at this moment under conducting ring 12 self elasticity effect, conducting ring 12 can closely laminate with inner tube 2, thereby can make the electricity between conducting ring 12 and inner tube 2 be connected with firm pole 13 between conducting ring 12 and the outer tube 1, the setting of firm pole 13 can make the conducting ring 12 and the outer tube 1 be connected more steadily, when dismouting inner tube 2, make conducting ring 12 can peg graft each other with inner tube 2 is stable.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model and not for limiting the technical solution of the present utility model, and although the present utility model has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the present utility model may be modified or equivalently replaced without departing from the spirit and scope of the present utility model, and any modification or partial replacement thereof should be included in the scope of the claims of the present utility model.

Claims (7)

1. The utility model provides a lamination vacuum collection pipe for secondary thermal analysis, its characterized in that, includes outer tube (1), peg graft in the inside of outer tube (1) has detachable inner tube (2), and the both ends of inner tube (2) communicate with each other with the external world through outer tube (1) respectively, the internally mounted of inner tube (2) has the material that is used for adsorbing benzene, the outside coating of inner tube (2) has the coating that the circular telegram generates heat, install exhaust tube (3) and intake pipe (4) that can control to open on outer tube (1) respectively, and exhaust tube (3) and intake pipe (4) all communicate with each other with inner tube (2), filter screen (5) are installed in the opening part of intake pipe (4), install a pair of terminal (6) that are connected with inner tube (2) electricity on outer tube (1), peg graft in the one end of outer tube (1) and have stopper (14), the other end installs baffle (15) with inner tube (2) looks adaptation.

2. The laminated vacuum collection tube for secondary thermal analysis according to claim 1, wherein the outer tube (1) comprises a tube body (101) and a sealing block (102), the tube body (101) is cylindrical with one end open, the sealing block (102) is inserted into the opening of the tube body (101), and sockets matched with the inner tube (2) are formed on the inner side of the sealing block (102) and the end face inside the tube body (101).

3. The laminated vacuum collection tube for secondary thermal analysis according to claim 2, wherein the opening of the tube body (101) is funnel-shaped with large outside and small inside, the shape of the sealing block (102) is matched with the shape of the opening of the tube body (101), and the outer side of the sealing block (102) is coated with a rubber layer.

4. A laminated vacuum collecting pipe for secondary thermal analysis according to claim 3, wherein the end of the outer pipe (1) far from the plugging position of the sealing block (102) is provided with a funnel-shaped socket (16) for plugging the plug (14), and the end face of the inner pipe (2) near the baffle plate (15) is provided with a fan-shaped opening.

5. The laminated vacuum collecting pipe for secondary thermal analysis according to claim 1, wherein a fixing ring (7) and a fixing frame (8) are fixedly connected to the inside of the air inlet pipe (4), a sealing plate (10) is connected to the fixing frame (8) through an elastic sheet (9), and the elastic sheet (9) has an elastic force for tightly propping the sealing plate (10) against the outer side surface of the fixing ring (7).

6. The laminated vacuum collection tube for secondary thermal analysis according to claim 1, wherein a plurality of fan-shaped openings are formed in the outer end of the air inlet tube (4), a baffle cap (11) is rotatably connected to the outer end of the air inlet tube (4), and a plurality of through openings matched with the openings are formed in the baffle cap (11).

7. The laminated vacuum collecting pipe for secondary thermal analysis according to claim 1, wherein the inner end of the binding post (6) is fixedly connected with a conductive ring (12) with a large inner part and a small outer part, the conductive ring (12) can elastically deform, the outer end of the conductive ring (12) is provided with a plurality of openings, and a stabilizing rod (13) is connected between the conductive ring (12) and the outer pipe (1).